List of didelphimorphs

IUCN Red List categories
Conservation status
EX	Extinct (1 species)
EW	Extinct in the wild (0 species)
CR	Critically Endangered (2 species)
EN	Endangered (0 species)
VU	Vulnerable (6 species)
NT	Near threatened (3 species)
LC	Least concern (67 species)
Other categories
DD	Data deficient (14 species)
NE	Not evaluated (0 species)

Didelphimorphia is an order of marsupial mammals. Members of this order are called didelphimorphs, or opossums. They are primarily found in South America, though some are found in Central America and Mexico and one, the Virginia opossum, ranges into the United States and Canada. They have a variety of sizes, shapes, and fur patterns, and range in size from the 6 cm (2 in) (plus 9 cm (4 in) tail) Kalinowski's mouse opossum to the 55 cm (22 in) (plus 54 cm (21 in) tail) Virginia opossum. Didelphimorphs are primarily found in forests, as well as savannas, shrublands, and grasslands. Almost no population estimates have been made for didelphimorph species, though the one-striped opossum is classified as Critically Endangered with a population of less than ten, Handley's slender opossum is also critically endangered, and the red-bellied gracile opossum is extinct, having last been seen in 1962.

Virginia opossum (Didelphis virginiana)

The 93 extant species of Didelphimorphia are grouped into a single family, Didelphidae, which is divided into four subfamilies: Caluromyinae, containing four species in two genera; Glironiinae, containing a single species; Hyladelphinae, also with a single species; and Didelphinae, containing 87 species split between 14 genera. Over one hundred extinct Didelphimorph species have been discovered, though due to ongoing research and discoveries the exact number and categorization is not fixed.[1]

Conventions

Conservation status codes listed follow the International Union for Conservation of Nature (IUCN) Red List of Threatened Species. Range maps are provided wherever possible; if a range map is not available, a description of the didelphimorph's range is provided. Ranges are based on the IUCN Red List for that species unless otherwise noted. All extinct species or subspecies listed alongside extant species went extinct after 1500 CE, and are indicated by a dagger symbol "†".

Classification

The order Didelphimorphia consists of one family, Didelphidae, which is divided into the subfamilies Caluromyinae, Glironiinae, Hyladelphinae, and Didelphinae. Caluromyinae contains 4 species in 2 genera, Glironiinae and Hyladelphinae each contain a single species, and Didelphinae contains 87 species in 14 genera, as well as the extinct red-bellied gracile opossum, which was last seen in 1962. Many of these species are further subdivided into subspecies. This does not include hybrid species or extinct prehistoric species.[2][3]

Family Didelphidae

Subfamily Caluromyinae
- Genus Caluromys (woolly opossums): three species
- Genus Caluromysiops (black-shouldered opossum): one species
Subfamily Didelphinae
- Genus Chacodelphys (Chacoan pygmy opossum): one species
- Genus Chironectes (water opossum): one species
- Genus Cryptonanus (savanna gracile opossums): five species (one extinct)
- Genus Didelphis (large American opossums): six species
- Genus Gracilinanus (gracile opossums): six species
- Genus Lestodelphys (Patagonian opossum): one species
- Genus Lutreolina (lutrine opossums): two species
- Genus Marmosa (mouse opossums): seventeen species
- Genus Marmosops (slender opossums): seventeen species
- Genus Metachirus: (brown four-eyed opossums): two species
- Genus Monodelphis (short-tailed opossums): seventeen species
- Genus Philander (gray and black four-eyed opossums): five species
- Genus Thylamys (fat-tailed mouse opossums): nine species
- Genus Tlacuatzin (gray mouse opossums): one species
Subfamily Glironiinae
- Genus Glironia (bushy-tailed opossum): one species
Subfamily Hyladelphinae
- Genus Hyladelphys (Kalinowski's mouse opossum): one species

Didelphidae

Caluromyinae

	Caluromysiops

	Caluromys

Glironiinae	Glironia

Hyladelphinae

Hyladelphys

Didelphinae

	Tlacuatzin

	Marmosa

	Philander

	Didelphis

Marmosops

Cryptonanus

Gracilinanus

	Lestodelphys

	Thylamys

Didelphimorphs

The following classification is based on the taxonomy described by Mammal Species of the World (2005), with augmentation by generally accepted proposals made since using molecular phylogenetic analysis, as supported by both the IUCN and the American Society of Mammalogists.[4][5]

Subfamily Caluromyinae

Genus **Caluromys** – Allen, 1900 – three species
Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
Bare-tailed woolly opossum	C. philander (Linnaeus, 1758) Four subspecies C. p. affinis C. p. dichurus C. p. philander C. p. trinitatis	Eastern and northeastern South America	Size: 16–28 cm (6–11 in) long, plus 25–41 cm (10–16 in) tail[6] Habitat: Forest[7] Diet: Fruit, as well as gum, nectar, small vertebrates, and invertebrates[7]	LC Unknown [7]
Brown-eared woolly opossum	C. lanatus (Olfers, 1818) Four subspecies C. l. cicur C. l. lanatus C. l. ochropus C. l. ornatus	Central and northwestern South America	Size: 20–32 cm (8–13 in) long, plus 33–44 cm (13–17 in) tail[8] Habitat: Forest[9] Diet: Fruit, invertebrates, and some small vertebrates, as well as nectar and flowers[9]	LC Unknown [9]
Derby's woolly opossum	C. derbianus (Waterhouse, 1841) Six subspecies C. d. aztecus C. d. centralis C. d. derbianus C. d. fervidus C. d. nauticus C. d. pallidus	Central American and northwestern South America	Size: 22–30 cm (9–12 in) long, plus 38–45 cm (15–18 in) tail[10] Habitat: Forest[11] Diet: Fruit, seeds, leaves, soft vegetables, insects, and other small invertebrates[11]	LC Unknown [11]

Genus **Caluromysiops** – Sanborn, 1951 – one species
Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
Black-shouldered opossum	C. irrupta Sanborn, 1951	West-central South America	Size: 25–33 cm (10–13 in) long, plus 31–34 cm (12–13 in) tail[12] Habitat: Forest[13] Diet: Flowers and fruit, as well as small rodents[13]	LC Unknown [13]

Subfamily Didelphinae

Genus **Chacodelphys** – Voss et al., 2004 – one species
Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
Chacoan pygmy opossum	C. formosa (Shamel, 1930)	Northeastern Argentina	Size: About 7 cm (3 in) long, plus 6 cm (2 in) tail[14] Habitat: Shrubland[15] Diet: Unknown[14]	NT Unknown [15]

Genus **Chironectes** – Illiger, 1811 – one species
Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
Water opossum	C. minimus (Zimmermann, 1780) Four subspecies C. m. argyrodytes C. m. langsdorffi C. m. minimus C. m. panamensis	Central America, northern South America, southeastern South America	Size: 27–40 cm (11–16 in) long, plus 30–43 cm (12–17 in) tail[16] Habitat: Forest and inland wetlands[17] Diet: Fish, crabs, other crustaceans, and insects, as well as frogs[17]	LC Unknown [17]

Genus **Cryptonanus** – Voss et al., 2005 – five species
Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
Agricola's gracile opossum	C. agricolai (Moojen, 1943)	Eastern Brazil	Size: 8–9 cm (3–4 in) long, plus 10–11 cm (4 in) tail[18] Habitat: Forest and shrubland[19] Diet: Unknown	DD Unknown [19]
Chacoan gracile opossum	C. chacoensis (Tate, 1931)	Southern South America	Size: 8–10 cm (3–4 in) long, plus 9–13 cm (4–5 in) tail[18] Habitat: Forest and grassland[20] Diet: Unknown fruit and insects[21]	LC Unknown [20]
Guahiba gracile opossum	C. guahybae (Tate, 1931)	Southern Brazil	Size: About 9 cm (4 in) long, plus 11 cm (4 in) tail[18] Habitat: Forest and grassland[22] Diet: Unknown	DD Unknown [22]
Red-bellied gracile opossum†	C. ignitus Díaz, Flores, Barquez, 2002	Northwestern Argentina	Size: About 11 cm (4 in) long, plus 12 cm (5 in) tail[18] Habitat: Forest[23] Diet: Unknown	EX Unknown [23]
Unduavi gracile opossum	C. unduaviensis (Shamel, 1930)	Northern Bolivia	Size: 9–13 cm (4–5 in) long, plus 11–14 cm (4–6 in) tail[18] Habitat: Forest, grassland, and inland wetlands[24] Diet: Unknown	DD Unknown [24]

Genus **Didelphis** – Linnaeus, 1758 – six species
Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
Andean white-eared opossum	D. pernigra J. A. Allen, 1900	Northwestern South America	Size: 30–50 cm (12–20 in) long, plus 25–54 cm (10–21 in) tail[25] Habitat: Forest, shrubland, and grassland[26] Diet: Small vertebrates, carrion, invertebrates, and plants[25]	LC Unknown [26]
Big-eared opossum	D. aurita (Wied-Neuwied, 1826)	Eastern South America	Size: 30–50 cm (12–20 in) long, plus 25–54 cm (10–21 in) tail[25] Habitat: Forest and shrubland[27] Diet: Arthropods and fruit, as well as other invertebrates and small vertebrates[28]	LC Unknown [27]
Common opossum	D. marsupialis Linnaeus, 1758 Two subspecies D. m. caucae D. m. marsupialis	Central American and northern South America	Size: 26–43 cm (10–17 in) long, plus 40 cm (16 in) tail[29] Habitat: Forest and shrubland[30] Diet: Omnivorous; eats invertebrates, vertebrates, leaves, fruit, nectar, and carrion[29]	LC Unknown [30]
Guianan white-eared opossum	D. imperfecta Mondolfi, Hernández, 1984	Northern South America	Size: 30–50 cm (12–20 in) long, plus 25–54 cm (10–21 in) tail[25] Habitat: Forest[31] Diet: Omnivorous; primarily fruit and insects[31]	LC Unknown [31]
Virginia opossum	D. virginiana Kerr, 1792 Four subspecies D. v. californica D. v. pigra D. v. virginiana D. v. yucatanensis	North America and Central America	Size: 33–55 cm (13–22 in) long, plus 25–54 cm (10–21 in) tail[32] Habitat: Forest and shrubland[33] Diet: Omnivorous, including vertebrates, invertebrates, plant material, fruits, grains and carrion[32]	LC Unknown [33]
White-eared opossum	D. albiventris Lund, 1840	Eastern and southern South America	Size: 30–50 cm (12–20 in) long, plus 25–54 cm (10–21 in) tail[25] Habitat: Forest, savanna, and shrubland[34] Diet: Small vertebrates, carrion, invertebrates, and plants[25]	LC Unknown [34]

Genus **Gracilinanus** – Gardner, Creighton, 1989 – six species
Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
Aceramarca gracile opossum	G. aceramarcae (Tate, 1931)	Western Aouth America	Size: About 11 cm (4 in) long, plus 14 cm (6 in) tail[35] Habitat: Forest[36] Diet: Fruit, insects and other small invertebrates[36]	LC Unknown [36]
Agile gracile opossum	G. agilis (Burmeister, 1854)	Central South America	Size: 8–12 cm (3–5 in) long, plus 10–16 cm (4–6 in) tail[37] Habitat: Forest[38] Diet: Insects and fruit[39]	LC Unknown [38]
Brazilian gracile opossum	G. microtarsus (Wagner, 1842) Two subspecies G. m. guahybae G. m. microtarsus	Southeastern South America	Size: About 10 cm (4 in) long, plus 13 cm (5 in) tail[40] Habitat: Forest[41] Diet: Insects, other invertebrates, and fruit[40]	LC Unknown [41]
Emilia's gracile opossum	G. emiliae (Thomas, 1909)	Scattered northern South America	Size: About 8 cm (3 in) long, plus 14 cm (6 in) tail[42] Habitat: Forest[43] Diet: Believed to be insects and fruit[42]	DD Unknown [43]
Northern gracile opossum	G. marica (Thomas, 1898)	Northern South America	Size: About 10 cm (4 in) long, plus 13 cm (5 in) tail[44] Habitat: Forest and grassland[45] Diet: Believed to be insects and fruit[44]	LC Unknown [45]
Wood sprite gracile opossum	G. dryas (Thomas, 1898)	Northern South America	Size: About 11 cm (4 in) long, plus 14 cm (6 in) tail[46] Habitat: Forest[47] Diet: Believed to be insects and fruit[46]	LC Unknown [47]

Genus **Lestodelphys** – Tate, 1934 – one species
Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
Patagonian opossum	L. halli (Thomas, 1921)	Southern South America	Size: 13–15 cm (5–6 in) long, plus 8–10 cm (3–4 in) tail[48] Habitat: Shrubland, grassland, and desert[49] Diet: Invertebrates, as well as birds, reptiles, and fruit[48]	LC Unknown [49]

Genus **Lutreolina** – Thomas, 1910 – two species
Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
Big lutrine opossum	L. crassicaudata (Desmarest, 1804) Two subspecies L. c. crassicaudata L. c. turneri	Scattered South America (Massoia's lutrine opossum in red)	Size: 26–35 cm (10–14 in) long, plus 24–30 cm (9–12 in) tail[50] Habitat: Forest, grassland, and inland wetlands[51] Diet: Omnivorous; crabs, beetles, amphibians, birds, seeds, and vegetation, as well as other invertebrates, fish, and small mammals[50]	LC Unknown [51]
Massoia's lutrine opossum	L. massoia Martínez-Lanfranco, Flores, Jayat, D'Elía, 2014	South-central South America (big lutrine opossum in green)	Size: 18–24 cm (7–9 in) long, plus 20–26 cm (8–10 in) tail[52] Habitat: Forest and grassland[53] Diet: Small mammals, fish, and invertebrates, as well as bird eggs and fruit[52]	LC Unknown [53]

Genus **Marmosa** – Gray, 1821 – seventeen species
Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
Alston's mouse opossum	M. alstoni (Allen, 1900)	Central America, northwestern tip of South America	Size: 18–20 cm (7–8 in) long, plus 24–28 cm (9–11 in) tail[54] Habitat: Forest[55] Diet: Insects, small vertebrates, and fruit[55]	LC Unknown [55]
Bare-tailed woolly mouse opossum	M. regina Thomas, 1924	Western South America	Size: 15–21 cm (6–8 in) long, plus 21–30 cm (8–12 in) tail[56] Habitat: Forest[56] Diet: Insects and fruit, as well as nectar, small vertebrates, and eggs[57]	NE Unknown
Guajira mouse opossum	M. xerophila Handley, Gordon, 1979	Northern South America	Size: 8–16 cm (3–6 in) long, plus 10–20 cm (4–8 in) tail[58] Habitat: Forest and shrubland[59] Diet: Insects and fruit, as well as lizards, bird eggs, and small rodents[59]	VU Unknown [59]
Heavy-browed mouse opossum	M. andersoni Pine, 1972	Peru	Size: 8–22 cm (3–9 in) long, plus 12–27 cm (5–11 in) tail[57] Habitat: Forest[60] Diet: Insects, as well as fruit[61]	DD Unknown [60]
Linnaeus's mouse opossum	M. murina (Linnaeus, 1758)	Northern and eastern South America	Size: 11–15 cm (4–6 in) long, plus 13–21 cm (5–8 in) tail[62] Habitat: Forest[63] Diet: Insects, small animals, and fruit[63]	LC Unknown [63]
Little woolly mouse opossum	M. phaea Thomas, 1899	Northwestern South America	Size: 8–22 cm (3–9 in) long, plus 12–27 cm (5–11 in) tail[57] Habitat: Forest[64] Diet: Insects and fruit, as well as nectar, small vertebrates, and eggs[57]	VU Unknown [64]
Mexican mouse opossum	M. mexicana Merriam, 1897 Three subspecies M. m. mayensis M. m. mexicana M. m. savannarum	Mexico and Central America	Size: 9–17 cm (4–7 in) long, plus 13–23 cm (5–9 in) tail[58] Habitat: Forest and grassland[65] Diet: Insects and fruit, as well as small rodents, lizards, birds, and eggs[65]	LC Unknown [65]
Quechuan mouse opossum	M. quichua Wagner, 1842	Western South America	Size: 8–22 cm (3–9 in) long, plus 12–27 cm (5–11 in) tail[57] Habitat: Forest[66] Diet: Insects and fruit, as well as nectar, small vertebrates, and eggs[57]	LC Unknown [66]
Red mouse opossum	M. rubra Tate, 1931	Western South America	Size: 12–20 cm (5–8 in) long, plus 18–22 cm (7–9 in) tail[58] Habitat: Forest[67] Diet: Insects and fruit[68]	DD Unknown [67]
Robinson's mouse opossum	M. robinsoni Bangs, 1898 Six subspecies M. r. chapmani M. r. fulviventer M. r. grenadae M. r. luridavolta M. r. robinsoni M. r. ruatanica	Northern South America and Central America	Size: 8–22 cm (3–9 in) long, plus 10–22 cm (4–9 in) tail[58] Habitat: Forest and savanna[69] Diet: Fruit and insects[69]	LC Unknown [69]
Rufous mouse opossum	M. lepida (Thomas, 1888)	Northwestern South America	Size: 8–22 cm (3–9 in) long, plus 12–27 cm (5–11 in) tail[57] Habitat: Forest[70] Diet: Insects and fruit[70]	LC Unknown [70]
Tate's woolly mouse opossum	M. paraguayana Tate, 1931 Two subspecies M. p. paraguayana M. p. travassosi	Southeastern South America	Size: 8–22 cm (3–9 in) long, plus 12–27 cm (5–11 in) tail[57] Habitat: Forest[71] Diet: Omnivorous and insectivorous[71]	LC Unknown [71]
Tyler's mouse opossum	M. tyleriana Tate, 1931	Northern South America	Size: 8–22 cm (3–9 in) long, plus 12–27 cm (5–11 in) tail[57] Habitat: Forest[72] Diet: Insects as well as fruit[73]	DD Unknown [72]
White-bellied woolly mouse opossum	M. constantiae Thomas, 1904	Central South America	Size: 8–22 cm (3–9 in) long, plus 12–27 cm (5–11 in) tail[57] Habitat: Forest[74] Diet: Insects and fruit, as well as nectar, small vertebrates, and eggs[57]	LC Unknown [74]
Woolly mouse opossum	M. demerarae Thomas, 1905 Four subspecies M. d. areniticola M. d. demerarae M. d. dominus M. d. esmeraldae	Northeastern South America	Size: 8–22 cm (3–9 in) long, plus 12–27 cm (5–11 in) tail[57] Habitat: Forest[75] Diet: Insects, small animals, fruit, and nectar[75]	LC Unknown [75]

Genus **Marmosops** – Matschie, 1916 – seventeen species
Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
Andean Slender Mouse Opossum	M. caucae (Thomas, 1900)	Northwestern South America	Size: 9–17 cm (4–7 in) long, plus 10–22 cm (4–9 in) tail[76] Habitat: Forest[77] Diet: Insects and fruit[76]	LC Unknown [77]
Bishop's slender opossum	M. bishopi (Pine, 1981)	Central South America	Size: 9–12 cm (4–5 in) long, plus 11–16 cm (4–6 in) tail[78] Habitat: Forest[79] Diet: Insects and fruit[76]	LC Unknown [79]
Brazilian slender opossum	M. paulensis (Tate, 1931)	Southeastern Brazil	Size: 9–17 cm (4–7 in) long, plus 10–22 cm (4–9 in) tail[76] Habitat: Forest[80] Diet: Insects and fruit[76]	LC Unknown [80]
Creighton's slender opossum	M. creightoni Voss, Tarifa, Yensen, 2004	Zongo River valley in Bolivia	Size: 9–17 cm (4–7 in) long, plus 10–22 cm (4–9 in) tail[76] Habitat: Forest[81] Diet: Insects and fruit[76]	DD Unknown [81]
Delicate slender opossum	M. parvidens (Tate, 1931)	Northern South America	Size: 9–11 cm (4 in) long, plus 14–16 cm (6–6 in) tail[78] Habitat: Forest[82] Diet: Insects and fruit[76]	LC Unknown [82]
Dusky slender opossum	M. fuscatus (Thomas, 1896) Two subspecies M. f. fuscatus M. f. perfuscus	Northern South America	Size: 13–14 cm (5–6 in) long, plus 14–15 cm (6–6 in) tail[78] Habitat: Forest[83] Diet: Insects and fruit[76]	DD Unknown [83]
Gray slender opossum	M. incanus (Lund, 1841)	Eastern South America	Size: 9–17 cm (4–7 in) long, plus 10–22 cm (4–9 in) tail[76] Habitat: Forest[84] Diet: Insects and fruit[76]	LC Unknown [84]
Handley's slender opossum	M. handleyi (Pine, 1981)	Central Columbia	Size: 10–13 cm (4–5 in) long, plus 12–15 cm (5–6 in) tail[78] Habitat: Forest[85] Diet: Insects and fruit[76]	CR Unknown [85]
Junin slender opossum	M. juninensis (Tate, 1931)	Central Peru	Size: 9–11 cm (4 in) long, plus 12–14 cm (5–6 in) tail[78] Habitat: Forest[86] Diet: Insects and fruit[76]	VU Unknown [86]
Narrow-headed slender opossum	M. cracens Handley, Gordon, 1979	Northern South America	Size: 9–17 cm (4–7 in) long, plus 10–22 cm (4–9 in) tail[76] Habitat: Forest[87] Diet: Insects and fruit[76]	DD Unknown [87]
Neblina slender opossum	M. neblina Gardner, 1990	Northwestern South America	Size: 9–17 cm (4–7 in) long, plus 10–22 cm (4–9 in) tail[76] Habitat: Forest[88] Diet: Insects and fruit[76]	LC Unknown [88]
Panama slender opossum	M. invictus (Goldman, 1921)	Panama	Size: 10–12 cm (4–5 in) long, plus 12–15 cm (5–6 in) tail[78] Habitat: Forest[89] Diet: Insects and fruit[76]	LC Unknown [89]
Pantepui slender opossum	M. pakaraimae Voss, Lim, Díaz-Nieto, Jansa, 2013	Northern South America	Size: 10–12 cm (4–5 in) long, plus 15–17 cm (6–7 in) tail[78] Habitat: Forest[90] Diet: Insects and fruit[76]	VU Unknown
Pinheiro's slender opossum	M. pinheiroi (Pine, 1981)	Northern South America	Size: 8–13 cm (3–5 in) long, plus 12–16 cm (5–6 in) tail[78] Habitat: Forest[91] Diet: Insects and fruit[76]	LC Unknown [91]
Spectacled slender opossum	M. ocellatus (Tate, 1931)	Bolivia	Size: 9–17 cm (4–7 in) long, plus 10–22 cm (4–9 in) tail[76] Habitat: Forest[92] Diet: Insects and fruit[76]	LC Unknown [92]
Tschudi's slender opossum	M. impavidus Tschudi, 1844	Northwestern South America	Size: 9–17 cm (4–7 in) long, plus 10–22 cm (4–9 in) tail[76] Habitat: Forest[93] Diet: Insects and fruit[76]	LC Unknown [93]
White-bellied slender opossum	M. noctivagus (Tschudi, 1844)	Western South America	Size: 9–17 cm (4–7 in) long, plus 10–22 cm (4–9 in) tail[76] Habitat: Forest[94] Diet: Insects and fruit[76]	LC Unknown [94]

Genus **Metachirus** – Burmeister, 1854 – two species
Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
Brown four-eyed opossum	M. nudicaudatus (Geoffroy, 1803) Four subspecies M. n. colombianus M. n. modestus M. n. nudicaudatus M. n. tschudii	South America and Central America	Size: 19–31 cm (7–12 in) long, plus 19–39 cm (7–15 in) tail[95] Habitat: Forest and shrubland[96] Diet: Insects and other invertebrates, as well as fruit, seeds, and small mammals[95]	LC Unknown [96]

Genus **Monodelphis** – Burnett, 1830 – seventeen species
Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
Amazonian red-sided opossum	M. glirina (Wagner, 1842)	Central South America	Size: 7–20 cm (3–8 in) long, plus 4–11 cm (2–4 in) tail[97] Habitat: Forest[98] Diet: Small vertebrates, insects, carrion, seeds, and fruit[97]	LC Unknown [98]
Emilia's short-tailed opossum	M. emiliae (Thomas, 1912)	Central South America	Size: 7–20 cm (3–8 in) long, plus 4–11 cm (2–4 in) tail[97] Habitat: Forest[99] Diet: Small vertebrates, insects, carrion, seeds, and fruit[97]	LC Unknown [99]
Gray short-tailed opossum	M. domestica (Wagner, 1842)	Central and eastern South America	Size: 10–15 cm (4–6 in) long, plus tail[100] Habitat: Forest, shrubland, and grassland[101] Diet: Insects, fruits, and small animals[100]	LC Unknown [101]
Handley's short-tailed opossum	M. handleyi Solari, 2007	Central South America	Size: 7–20 cm (3–8 in) long, plus 4–11 cm (2–4 in) tail[97] Habitat: Forest[102] Diet: Small vertebrates, insects, carrion, seeds, and fruit[97]	DD Unknown [102]
Hooded red-sided opossum	M. palliolata (Osgood, 1914)	Northern South America	Size: 7–20 cm (3–8 in) long, plus 4–11 cm (2–4 in) tail[97] Habitat: Forest[103] Diet: Small vertebrates, insects, carrion, seeds, and fruit[97]	LC Unknown [103]
Ihering's three-striped opossum	M. iheringi (Thomas, 1888)	Eastern South America	Size: 7–20 cm (3–8 in) long, plus 4–11 cm (2–4 in) tail[97] Habitat: Forest and unknown[104] Diet: Small vertebrates, insects, carrion, seeds, and fruit[97]	DD Unknown [104]
Long-nosed short-tailed opossum	M. scalops (Thomas, 1888)	Eastern South America	Size: 7–20 cm (3–8 in) long, plus 4–11 cm (2–4 in) tail[97] Habitat: Forest[105] Diet: Small vertebrates, insects, carrion, seeds, and fruit[97]	LC Unknown [105]
Northern red-sided opossum	M. brevicaudata (Erxleben, 1777)	Northern South America	Size: 7–20 cm (3–8 in) long, plus 4–11 cm (2–4 in) tail[97] Habitat: Forest[106] Diet: Small vertebrates, insects, carrion, seeds, and fruit[97]	LC Unknown [106]
Northern three-striped opossum	M. americana (Müller, 1776)	Eastern South America	Size: 7–20 cm (3–8 in) long, plus 4–11 cm (2–4 in) tail[97] Habitat: Forest and shrubland[107] Diet: Small vertebrates, insects, carrion, seeds, and fruit[97]	LC Unknown [107]
One-striped opossum	M. unistriata (Wagner, 1842)	Southeastern South America	Size: 7–20 cm (3–8 in) long, plus 4–11 cm (2–4 in) tail[97] Habitat: Forest[108] Diet: Small vertebrates, insects, carrion, seeds, and fruit[97]	CR 2–10 [108]
Osgood's short-tailed opossum	M. osgoodi Doutt, 1938	Western South America	Size: 7–20 cm (3–8 in) long, plus 4–11 cm (2–4 in) tail[97] Habitat: Forest[109] Diet: Small vertebrates, insects, carrion, seeds, and fruit[97]	LC Unknown [109]
Peruvian short-tailed opossum	M. peruviana (Osgood, 1913)	Peru	Size: 7–20 cm (3–8 in) long, plus 4–11 cm (2–4 in) tail[97] Habitat: Forest[110] Diet: Small vertebrates, insects, carrion, seeds, and fruit[97]	LC Unknown [110]
Pygmy short-tailed opossum	M. kunsi Pine, 1975	Central South America	Size: 7–20 cm (3–8 in) long, plus 4–11 cm (2–4 in) tail[97] Habitat: Forest and savanna[111] Diet: Small vertebrates, insects, carrion, seeds, and fruit[97]	LC Unknown [111]
Reig's opossum	M. reigi Lew, Pérez-Hernández, 2004	Northern South America	Size: 7–20 cm (3–8 in) long, plus 4–11 cm (2–4 in) tail[97] Habitat: Forest[112] Diet: Small vertebrates, insects, carrion, seeds, and fruit[97]	VU Unknown [112]
Ronald's opossum	M. ronaldi Solari, 2004	Western South America	Size: 7–20 cm (3–8 in) long, plus 4–11 cm (2–4 in) tail[97] Habitat: Forest[113] Diet: Small vertebrates, insects, carrion, seeds, and fruit[97]	LC Unknown [113]
Sepia short-tailed opossum	M. adusta (Thomas, 1897)	Northwestern South America	Size: 9–13 cm (4–5 in) long, plus 4–7 cm (2–3 in) tail[114] Habitat: Forest[115] Diet: Invertebrates, fruits and small vertebrates[114]	LC Unknown [115]
Yellow-sided opossum	M. dimidiata (Wagner, 1847)	Southern South America	Size: 7–20 cm (3–8 in) long, plus 4–11 cm (2–4 in) tail[97] Habitat: Forest, grassland, and inland wetlands[116] Diet: Small vertebrates, insects, carrion, seeds, and fruit[97]	LC Unknown [116]

Genus **Philander** – Brisson, 1762 – five species
Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
Anderson's four-eyed opossum	P. andersoni (Osgood, 1913)	Northwestern South America	Size: 25–35 cm (10–14 in) long, plus 25–35 cm (10–14 in) tail[117] Habitat: Forest[118] Diet: Insects, other small invertebrates, eggs, and fruit[117]	LC Unknown [118]
Deltaic four-eyed opossum	P. deltae Lew, Pérez-Hernández, Ventura, 2006	Northern South America	Size: 20–38 cm (8–15 in) long, plus 19–36 cm (7–14 in) tail[119] Habitat: Forest and inland wetlands[120] Diet: Small mammals, other small vertebrates, eggs, insects, other invertebrates, fruit, and carrion[119]	LC Unknown [120]
Gray four-eyed opossum	P. opossum (Linnaeus, 1758) Two subspecies P. o. fuscogriseus P. o. opossum	Northern and central South America and Central America	Size: 20–34 cm (8–13 in) long, plus 19–36 cm (7–14 in) tail[121] Habitat: Forest and shrubland[122] Diet: Omnivorous, including invertebrates, small animals, leaves, bark, seeds, nuts, nectar, and fruit[121]	LC Unknown [122]
McIlhenny's four-eyed opossum	P. mcilhennyi Gardner, Patton, 1972	Central South America	Size: 28–31 cm (11–12 in) long, plus 26–38 cm (10–15 in) tail[123] Habitat: Forest[124] Diet: Believed to be omnivorous[123]	LC Unknown [124]
Southeastern four-eyed opossum	P. frenatus Olfers, 1818		Size: 21–29 cm (8–11 in) long, plus 17–32 cm (7–13 in) tail[125] Habitat: Forest[126] Diet: Omnivorous, including flowers, fruit, invertebrates, and small vertebrates[126]	LC Unknown [126]

Genus **Thylamys** – Gray, 1843 – nine species
Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
Argentine fat-tailed mouse opossum	T. sponsorius (Thomas, 1921)	Central South America	Size: 6–15 cm (2–6 in) long, plus 6–17 cm (2–7 in) tail[127] Habitat: Shrubland[128] Diet: Insects, as well as fruit and small vertebrates[127]	LC Unknown [128]
Buff-bellied fat-tailed mouse opossum	T. venustus (Thomas, 1902)	Central South America	Size: 6–15 cm (2–6 in) long, plus 6–17 cm (2–7 in) tail[127] Habitat: Forest, savanna, and shrubland[129] Diet: Insects, as well as fruit and small vertebrates[127]	DD Unknown [129]
Common fat-tailed mouse opossum	T. pusillus (Desmarest, 1804)	Central South America	Size: 7–12 cm (3–5 in) long, plus 8–14 cm (3–6 in) tail[130] Habitat: Forest and savanna[131] Diet: Insects, as well as fruit and small vertebrates[127]	LC Unknown [131]
Dwarf fat-tailed mouse opossum	T. velutinus (Wagner, 1842)	Eastern South America	Size: 6–15 cm (2–6 in) long, plus 6–17 cm (2–7 in) tail[127] Habitat: Forest, savanna, shrubland, and grassland[132] Diet: Insects, as well as fruit and small vertebrates[127]	NT Unknown [132]
Elegant fat-tailed mouse opossum	T. elegans (Waterhouse, 1839)	Southwestern South America	Size: 6–15 cm (2–6 in) long, plus 6–17 cm (2–7 in) tail[127] Habitat: Forest and shrubland[133] Diet: Insects, as well as fruit and small vertebrates[127]	LC Unknown [133]
Karimi's fat-tailed mouse opossum	T. karimii (Petter, 1968)	Central South America	Size: 6–15 cm (2–6 in) long, plus 6–17 cm (2–7 in) tail[127] Habitat: Forest and savanna[134] Diet: Insects, as well as fruit and small vertebrates[127]	VU Unknown [134]
Paraguayan fat-tailed mouse opossum	T. macrurus (Olfers, 1818)	Central South America	Size: 6–15 cm (2–6 in) long, plus 6–17 cm (2–7 in) tail[127] Habitat: Forest, savanna, and shrubland[135] Diet: Insects, as well as fruit and small vertebrates[127]	NT Unknown [135]
Tate's fat-tailed mouse opossum	T. tatei (Handley, 1957)	Western South America	Size: 6–15 cm (2–6 in) long, plus 6–17 cm (2–7 in) tail[127] Habitat: Shrubland and desert[136] Diet: Insects, as well as fruit and small vertebrates[127]	DD Unknown [136]
White-bellied fat-tailed mouse opossum	T. pallidior (Thomas, 1902)	Southwestern South America	Size: 7–11 cm (3–4 in) long, plus 9–12 cm (4–5 in) tail[137] Habitat: Shrubland and desert[138] Diet: Arthropods, as well as leaves, fruit, and seeds[137]	LC Unknown [138]

Genus **Tlacuatzin** – Voss, Jansa, 2003 – one species
Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
Grayish mouse opossum	T. canescens (Allen, 1893)	Southern Mexico	Size: 8–15 cm (3–6 in) long, plus 9–17 cm (4–7 in) tail[139] Habitat: Forest and shrubland[140] Diet: Insects and fruit[139]	LC Unknown [140]

Subfamily Glironiinae

Genus **Glironia** – Thomas, 1912 – one species
Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
Bushy-tailed opossum	G. venusta Thomas, 1912	West-central South America	Size: 13–20 cm (5–8 in) long, plus 19–23 cm (7–9 in) tail[141] Habitat: Forest[142] Diet: Insects, seeds, fruit, and eggs[142]	LC Unknown [142]

Subfamily Hyladelphinae

Genus **Hyladelphys** – Voss, Lunde, Simmons, 2001 – one species
Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
Kalinowski's mouse opossum	H. kalinowskii (Hershkovitz, 1992)	North-central South America	Size: 6–10 cm (2–4 in) long, plus 9–12 cm (4–5 in) tail[143] Habitat: Forest[144] Diet: Unknown	LC Unknown [144]

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[IUCNBare-tailedwoollyopossum-7] Brito, D.; Astúa, D.; Lew, D.; Soriano, P.; Emmons, L. (2021) [amended version of 2015 assessment]. "Caluromys philander". IUCN Red List of Threatened Species. 2021: e.T3649A197321055. doi:10.2305/IUCN.UK.2021-1.RLTS.T3649A197321055.en.

[ADWBrown-earedwoollyopossum-8] Cable, Rachel (2013). "Caluromys lanatus". Animal Diversity Web. University of Michigan. Retrieved December 7, 2021.

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[ADWBlack-shoulderedopossum-12] Martina, Leila Siciliano (2014). "Caluromysiops irrupta". Animal Diversity Web. University of Michigan. Retrieved December 7, 2021.

[IUCNBlack-shoulderedopossum-13] Solari, S.; Cáceres, N. (2016) [errata version of 2015 assessment]. "Caluromysiops irrupta". IUCN Red List of Threatened Species. 2015: e.T3651A97206475. doi:10.2305/IUCN.UK.2015-4.RLTS.T3651A22172207.en.

[Walker80-14] Nowak, p. 80

[IUCNChacoanpygmyopossum-15] Teta, P.; de la Sancha, N.; Flores, D. (2016). "Chacodelphys formosa". IUCN Red List of Threatened Species. 2016: e.T136547A22175485. doi:10.2305/IUCN.UK.2016-3.RLTS.T136547A22175485.en.

[ADWWateropossum-16] McHugh, Taylor; Small, Christine (2013). "Chironectes minimus". Animal Diversity Web. University of Michigan. Retrieved December 7, 2021.

[IUCNWateropossum-17] Pérez-Hernandez, R.; Brito, D.; Tarifa, T.; Cáceres, N.; Lew, D.; Solari, S. (2016). "Chironectes minimus". IUCN Red List of Threatened Species. 2016: e.T4671A22173467. doi:10.2305/IUCN.UK.2016-1.RLTS.T4671A22173467.en.

[VossCryptonanus-18] Voss, R. S.; Lunde, D. P.; Jansa, S. A. (2005). "On the Contents of Gracilinanus Gardner and Creighton, 1989, with the Description of a Previously Unrecognized Clade of Small Didelphid Marsupials". American Museum Novitates (3482): 1–36. doi:10.1206/0003-0082(2005)482[0001:OTCOGG]2.0.CO;2. S2CID 84269504.

[IUCNAgricolasgracileopossum-19] Carmignotto, A. P.; Astúa, D.; Cáceres, N. (2021) [amended version of 2016 assessment]. "Cryptonanus agricolai". IUCN Red List of Threatened Species. 2021: e.T136545A197311847. doi:10.2305/IUCN.UK.2021-1.RLTS.T136545A197311847.en.

[IUCNChacoangracileopossum-20] Teta, P.; Martin, G. M. (2016). "Cryptonanus chacoensis". IUCN Red List of Threatened Species. 2016: e.T136845A22177997. doi:10.2305/IUCN.UK.2016-1.RLTS.T136845A22177997.en.

[ADWChacoangracileopossum-21] Martina, Leila Siciliano (2014). "Cryptonanus chacoensis". Animal Diversity Web. University of Michigan. Retrieved December 19, 2021.

[IUCNGuahibagracileopossum-22] Carmignotto, A. P.; Costa, L. P.; Brito, D.; Astúa, D. (2021) [amended version of 2016 assessment]. "Cryptonanus guahybae". IUCN Red List of Threatened Species. 2021: e.T136705A197313066. doi:10.2305/IUCN.UK.2021-1.RLTS.T136705A197313066.en.

[IUCNRed-belliedgracileopossum-23] Flores, D. (2016). "Cryptonanus ignitus". IUCN Red List of Threatened Species. 2016: e.T41320A22177809. doi:10.2305/IUCN.UK.2016-2.RLTS.T41320A22177809.en.

[IUCNUnduavigracileopossum-24] Carmignotto, A. P. (2021) [amended version of 2016 assessment]. "Cryptonanus unduaviensis". IUCN Red List of Threatened Species. 2021: e.T136749A197312011. doi:10.2305/IUCN.UK.2021-1.RLTS.T136749A197312011.en.

[Walker7374-25] Nowak, pp. 73–74

[IUCNAndeanwhite-earedopossum-26] Pérez-Hernandez, R.; Solari, S.; Tarifa, T.; Lew, D. (2016). "Didelphis pernigra". IUCN Red List of Threatened Species. 2016: e.T136395A22176668. doi:10.2305/IUCN.UK.2016-1.RLTS.T136395A22176668.en.

[IUCNBig-earedopossum-27] Astúa, D.; de la Sancha, N.; Costa, L. (2021) [amended version of 2015 assessment]. "Didelphis aurita". IUCN Red List of Threatened Species. 2021: e.T40500A197310366. doi:10.2305/IUCN.UK.2021-1.RLTS.T40500A197310366.en.

[ADWBig-earedopossum-28] Cusick, Patrick (2013). "Didelphis aurita". Animal Diversity Web. University of Michigan. Retrieved December 21, 2021.

[ADWCommonopossum-29] Martina, Leila Siciliano (2014). "Didelphis marsupialis". Animal Diversity Web. University of Michigan. Retrieved December 7, 2021.

[IUCNCommonopossum-30] Astúa, D.; Lew, D.; Costa, L. P.; Pérez-Hernandez, R. (2021) [amended version of 2016 assessment]. "Didelphis marsupialis". IUCN Red List of Threatened Species. 2021: e.T40501A197310576. doi:10.2305/IUCN.UK.2021-1.RLTS.T40501A197310576.en.

[IUCNGuiananwhite-earedopossum-31] Pérez-Hernandez, R.; López Fuster, M.; Ventura, J.; Lew, D. (2016). "Didelphis imperfecta". IUCN Red List of Threatened Species. 2016: e.T136592A22176554. doi:10.2305/IUCN.UK.2016-1.RLTS.T136592A22176554.en.

[ADWVirginiaopossum-32] Martina, Leila Siciliano (2013). "Didelphis virginiana". Animal Diversity Web. University of Michigan. Retrieved December 7, 2021.

[IUCNVirginiaopossum-33] Pérez-Hernandez, R.; Lew, D.; Solari, S. (2016). "Didelphis virginiana". IUCN Red List of Threatened Species. 2016: e.T40502A22176259. doi:10.2305/IUCN.UK.2016-1.RLTS.T40502A22176259.en.

[IUCNWhite-earedopossum-34] Costa, L. P.; Astúa, D.; Brito, D.; Soriano, P.; Lew, D. (2021) [amended version of 2015 assessment]. "Didelphis albiventris". IUCN Red List of Threatened Species. 2021: e.T40489A197310863. doi:10.2305/IUCN.UK.2021-1.RLTS.T40489A197310863.en.

[ADWAceramarcagracileopossum-35] Martina, Leila Siciliano (2013). "Gracilinanus aceramarcae". Animal Diversity Web. University of Michigan. Retrieved December 23, 2021.

[IUCNAceramarcagracileopossum-36] Solari, S.; Tarifa, T. (2016). "Gracilinanus aceramarcae". IUCN Red List of Threatened Species. 2016: e.T9416A22169509. doi:10.2305/IUCN.UK.2016-1.RLTS.T9416A22169509.en.

[Peruanus-37] Semedo, T.; Brandão, M. V.; Rossi, R. (2015). "Taxonomic status and phylogenetic relationships of Marmosa agilis peruana Tate, 1931 (Didelphimorphia: Didelphidae), with comments on the morphological variation of Gracilinanus from central-western Brazil". Zoological Journal of the Linnean Society (173): 190–216. doi:10.1111/zoj.12203. S2CID 83144697.

[IUCNAgilegracileopossum-38] Carmignotto, A. P.; Solari, S.; de la Sancha, N.; Costa, L. (2015). "Gracilinanus agilis". IUCN Red List of Threatened Species. 2015: e.T9417A22169828. doi:10.2305/IUCN.UK.2015-4.RLTS.T9417A22169828.en.

[ADWAgilegracileopossum-39] Martina, Leila Siciliano (2013). "Gracilinanus agilis". Animal Diversity Web. University of Michigan. Retrieved December 23, 2021.

[ADWBraziliangracileopossum-40] Martina, Leila Siciliano (2013). "Gracilinanus microtarsus". Animal Diversity Web. University of Michigan. Retrieved December 7, 2021.

[IUCNBraziliangracileopossum-41] Brito, D.; Astúa, D.; Lew, D.; Soriano, P. (2021) [amended version of 2015 assessment]. "Gracilinanus microtarsus". IUCN Red List of Threatened Species. 2021: e.T9421A197306376. doi:10.2305/IUCN.UK.2021-1.RLTS.T9421A197306376.en.

[ADWEmiliasgracileopossum-42] Martina, Leila Siciliano (2013). "Gracilinanus emiliae". Animal Diversity Web. University of Michigan. Retrieved December 23, 2021.

[IUCNEmiliasgracileopossum-43] Pérez-Hernandez, R.; Brito, D.; Astúa, D.; Carmignotto, A. P. (2021) [amended version of 2016 assessment]. "Gracilinanus emiliae". IUCN Red List of Threatened Species. 2021: e.T9419A197307208. doi:10.2305/IUCN.UK.2021-1.RLTS.T9419A197307208.en.

[ADWNortherngracileopossum-44] Martina, Leila Siciliano (2013). "Gracilinanus marica". Animal Diversity Web. University of Michigan. Retrieved December 23, 2021.

[IUCNNortherngracileopossum-45] Pérez-Hernandez, R.; Ventura, J.; López Fuster, M. (2016). "Gracilinanus marica". IUCN Red List of Threatened Species. 2016: e.T9420A22169944. doi:10.2305/IUCN.UK.2016-1.RLTS.T9420A22169944.en.

[ADWWoodspritegracileopossum-46] Martina, Leila Siciliano (2013). "Gracilinanus dryas". Animal Diversity Web. University of Michigan. Retrieved December 23, 2021.

[IUCNWoodspritegracileopossum-47] Pérez-Hernandez, R.; Ventura, J.; López Fuster, M. (2016). "Gracilinanus dryas". IUCN Red List of Threatened Species. 2016: e.T9418A22169714. doi:10.2305/IUCN.UK.2016-1.RLTS.T9418A22169714.en.

[Walker8687-48] Nowak, pp. 86–87

[IUCNPatagonianopossum-49] Martin, G. M.; Flores, D.; Teta, P. (2021) [amended version of 2015 assessment]. "Lestodelphys halli". IUCN Red List of Threatened Species. 2021: e.T11856A197309774. doi:10.2305/IUCN.UK.2021-1.RLTS.T11856A197309774.en.

[ADWBiglutrineopossum-50] Martina, Leila Siciliano (2014). "Lutreolina crassicaudata". Animal Diversity Web. University of Michigan. Retrieved December 7, 2021.

[IUCNBiglutrineopossum-51] Flores, D.; Martin, G. M. (2016). "Lutreolina crassicaudata". IUCN Red List of Threatened Species. 2016: e.T40503A22175337. doi:10.2305/IUCN.UK.2016-2.RLTS.T40503A22175337.en.

[Massoiaslutrineopossum-52] Martínez-Lanfranco, J. A.; Flores, D.; Jayat, J. P.; D'Elía, G. (2014). "A new species of lutrine opossum, genus Lutreolina Thomas (Didelphidae), from the South American Yungas". Journal of Mammalogy. 95 (2): 225–240. doi:10.1644/13-mamm-a-246. hdl:11336/29722. S2CID 85599660.

[IUCNMassoiaslutrineopossum-53] Martin, G. M.; Flores, D. (2020) [amended version of 2016 assessment]. "Lutreolina massoia". IUCN Red List of Threatened Species. 2020: e.T95740145A166526155. doi:10.2305/IUCN.UK.2020-1.RLTS.T95740145A166526155.en.

[VossMarmosaRevision4-54] Voss, R. S.; Giarla, T. C.; Jansa, S. A. (2021). "A Revision of the Didelphid Marsupial Genus Marmosa Part 4. Species of the Alstoni Group (Subgenus Micoureus)". American Museum Novitates (3983): 1–31. doi:10.1206/3983.1. S2CID 244957917.

[IUCNAlstonsmouseopossum-55] Martin, G. M. (2016). "Marmosa alstoni". IUCN Red List of Threatened Species. 2016: e.T13296A22173632. doi:10.2305/IUCN.UK.2016-1.RLTS.T13296A22173632.en.

[VossMarmosaRevision2-56] Voss, R. S.; Giarla, T. C.; Díaz-Nieto, J. F.; Jansa, S. A. (2020). "A Revision Of The Didelphid Marsupial Genus Marmosa Part 2. Species Of The Rapposa Group (Subgenus Micoureus)". Bulletin of the American Museum of Natural History (439): 1–60. doi:10.1206/0003-0090.439.1.1. S2CID 219167102.

[Walker5961-57] Nowak, pp. 59–61

[VossMarmosaRevision1-58] Rossi, R. V.; Voss, R. S.; Lunde, D. P. (2010). "A Revision of the Didelphid Marsupial Genus Marmosa. Part 1. The Species in Tate's 'Mexicana' and 'Mitis' Sections and Other Closely Related Forms". Bulletin of the American Museum of Natural History (334): 1–83. doi:10.1206/334.1. S2CID 83970492.

[IUCNGuajiramouseopossum-59] Pérez-Hernandez, R.; López Fuster, M.; Ventura, J. (2017) [errata version of 2016 assessment]. "Marmosa xerophila". IUCN Red List of Threatened Species. 2016: e.T12815A115106154. doi:10.2305/IUCN.UK.2016-3.RLTS.T12815A22174448.en.

[IUCNHeavy-browedmouseopossum-60] Solari, S. (2015). "Marmosa andersoni". IUCN Red List of Threatened Species. 2015: e.T12812A22174790. doi:10.2305/IUCN.UK.2015-4.RLTS.T12812A22174790.en.

[ADWHeavy-browedmouseopossum-61] Voss, Robert (2013). "Marmosa andersoni". Animal Diversity Web. University of Michigan. Retrieved February 5, 2022.

[Animal94-62] Burnie, p. 94

[IUCNLinnaeussmouseopossum-63] Brito, D.; Astúa, D.; Lew, D.; Soriano, P.; Emmons, L. (2021) [amended version of 2015 assessment]. "Marmosa murina". IUCN Red List of Threatened Species. 2021: e.T40505A197308868. doi:10.2305/IUCN.UK.2021-1.RLTS.T40505A197308868.en.

[IUCNLittlewoollymouseopossum-64] Solari, S.; Patterson, B. (2015). "Marmosa phaea". IUCN Red List of Threatened Species. 2015: e.T136244A22175055. doi:10.2305/IUCN.UK.2015-4.RLTS.T136244A22175055.en.

[IUCNMexicanmouseopossum-65] Martin, G. M. (2016). "Marmosa mexicana". IUCN Red List of Threatened Species. 2016: e.T40504A22173751. doi:10.2305/IUCN.UK.2016-2.RLTS.T40504A22173751.en.

[IUCNQuechuanmouseopossum-66] Solari, S. (2015). "Marmosa quichua". IUCN Red List of Threatened Species. 2015: e.T136508A22173866. doi:10.2305/IUCN.UK.2015-4.RLTS.T136508A22173866.en.

[IUCNRedmouseopossum-67] Solari, S. (2015). "Marmosa rubra". IUCN Red List of Threatened Species. 2015: e.T40507A22174358. doi:10.2305/IUCN.UK.2015-4.RLTS.T40507A22174358.en.

[ADWRedmouseopossum-68] Voss, Robert (2013). "Marmosa rubra". Animal Diversity Web. University of Michigan. Retrieved February 5, 2022.

[IUCNRobinsonsmouseopossum-69] Pérez-Hernandez, R. (2016). "Marmosa robinsoni". IUCN Red List of Threatened Species. 2016: e.T40506A22174162. doi:10.2305/IUCN.UK.2016-1.RLTS.T40506A22174162.en.

[IUCNRufousmouseopossum-70] Cáceres, N.; Solari, S.; Tarifa, T. (2016). "Marmosa lepida". IUCN Red List of Threatened Species. 2016: e.T12814A22173952. doi:10.2305/IUCN.UK.2016-3.RLTS.T12814A22173952.en.

[IUCNTateswoollymouseopossum-71] Brito, D.; Astúa, D.; de la Sancha, N.; Flores, D. (2021) [amended version of 2018 assessment]. "Marmosa paraguayana". IUCN Red List of Threatened Species. 2021: e.T136844A197321573. doi:10.2305/IUCN.UK.2021-1.RLTS.T136844A197321573.en.

[IUCNTylersmouseopossum-72] Pérez-Hernandez, R.; López Fuster, M.; Ventura, J. (2016). "Marmosa tyleriana". IUCN Red List of Threatened Species. 2016: e.T12816A22174266. doi:10.2305/IUCN.UK.2016-1.RLTS.T12816A22174266.en.

[ADWTylersmouseopossum-73] Voss, Robert (2013). "Marmosa tyleriana". Animal Diversity Web. University of Michigan. Retrieved February 5, 2022.

[IUCNWhite-belliedwoollymouseopossum-74] Tarifa, T.; Martin, G. M. (2016). "Marmosa constantiae". IUCN Red List of Threatened Species. 2016: e.T13297A22174957. doi:10.2305/IUCN.UK.2016-1.RLTS.T13297A22174957.en.

[IUCNWoollymouseopossum-75] Brito, D.; Astúa, D.; Lew, D.; Soriano, P. (2021) [amended version of 2015 assessment]. "Marmosa demerarae". IUCN Red List of Threatened Species. 2021: e.T40510A197309091. doi:10.2305/IUCN.UK.2021-1.RLTS.T40510A197309091.en.

[Walker79-76] Nowak, p. 79

[IUCNAndeanslendermouseopossum-77] Martin, G. M. (2017). "Marmosops caucae". IUCN Red List of Threatened Species. 2017: e.T89333777A89333796. doi:10.2305/IUCN.UK.2017-2.RLTS.T89333777A89333796.en.

[VossMarmosopsRevision1-78] Díaz-Nieto, J. F.; Voss, R. S. (2016). "A Revision Of The Didelphid Marsupial Genus Marmosops, Part 1. Species Of The Subgenus Sciophanes". Bulletin of the American Museum of Natural History. 402: 1–72. doi:10.1206/0003-0090-402.1.1. S2CID 88923233.

[IUCNBishopsslenderopossum-79] Tarifa, T. (2016). "Marmosops bishopi". IUCN Red List of Threatened Species. 2016: e.T136296A22178294. doi:10.2305/IUCN.UK.2016-1.RLTS.T136296A22178294.en.

[IUCNBrazilianslenderopossum-80] Martin, G. M. (2021) [amended version of 2016 assessment]. "Marmosops paulensis". IUCN Red List of Threatened Species. 2021: e.T136278A197314231. doi:10.2305/IUCN.UK.2021-1.RLTS.T136278A197314231.en.

[IUCNCreightonsslenderopossum-81] Tarifa, T. (2016). "Marmosops creightoni". IUCN Red List of Threatened Species. 2016: e.T136803A22178229. doi:10.2305/IUCN.UK.2016-1.RLTS.T136803A22178229.en.

[IUCNDelicateslenderopossum-82] Martin, G. M. (2021) [amended version of 2016 assessment]. "Marmosops parvidens". IUCN Red List of Threatened Species. 2021: e.T12824A197313900. doi:10.2305/IUCN.UK.2021-1.RLTS.T12824A197313900.en.

[IUCNDuskyslenderopossum-83] Pérez-Hernandez, R.; Ventura, J.; López Fuster, M. (2016). "Marmosops fuscatus". IUCN Red List of Threatened Species. 2016: e.T12819A22179192. doi:10.2305/IUCN.UK.2016-1.RLTS.T12819A22179192.en.

[IUCNGrayslenderopossum-84] Brito, D.; Astúa, D.; Lew, D.; Soriano, P.; Emmons, L. (2021) [amended version of 2015 assessment]. "Marmosops incanus". IUCN Red List of Threatened Species. 2021: e.T12822A197313574. doi:10.2305/IUCN.UK.2021-1.RLTS.T12822A197313574.en.

[IUCNHandleysslenderopossum-85] Pérez-Hernandez, R.; Cáceres, N. (2016). "Marmosops handleyi". IUCN Red List of Threatened Species. 2016: e.T12820A22179321. doi:10.2305/IUCN.UK.2016-2.RLTS.T12820A22179321.en.

[IUCNJuninslenderopossum-86] Peralta, M.; Solari, S. (2016). "Marmosops juninensis". IUCN Red List of Threatened Species. 2016: e.T136364A22178449. doi:10.2305/IUCN.UK.2016-1.RLTS.T136364A22178449.en.

[IUCNNarrow-headedslenderopossum-87] Pérez-Hernandez, R.; López Fuster, M.; Ventura, J. (2016). "Marmosops cracens". IUCN Red List of Threatened Species. 2016: e.T12817A22179053. doi:10.2305/IUCN.UK.2016-1.RLTS.T12817A22179053.en.

[IUCNNeblinaslenderopossum-88] Solari, S.; Pérez-Hernandez, R.; Cáceres, N.; Astúa, D. (2021) [amended version of 2016 assessment]. "Marmosops neblina". IUCN Red List of Threatened Species. 2021: e.T136830A197314373. doi:10.2305/IUCN.UK.2021-1.RLTS.T136830A197314373.en.

[IUCNPanamaslenderopossum-89] Martin, G. M. (2017) [errata version of 2016 assessment]. "Marmosops invictus". IUCN Red List of Threatened Species. 2016: e.T12823A115106311. doi:10.2305/IUCN.UK.2016-3.RLTS.T12823A22178866.en.

[IUCNPantepuislenderopossum-90] Martin, G. M. (2016). "Marmosops pakaraimae". IUCN Red List of Threatened Species. 2016: e.T51221900A51221937. doi:10.2305/IUCN.UK.2016-2.RLTS.T51221900A51221937.en.

[IUCNPinheirosslenderopossum-91] Pérez-Hernandez, R.; Cáceres, N. (2016). "Marmosops pinheiroi". IUCN Red List of Threatened Species. 2016: e.T136573A22178537. doi:10.2305/IUCN.UK.2016-1.RLTS.T136573A22178537.en.

[IUCNSpectacledslenderopossum-92] Tarifa, T. (2016). "Marmosops ocellatus". IUCN Red List of Threatened Species. 2016: e.T136842A22178618. doi:10.2305/IUCN.UK.2016-1.RLTS.T136842A22178618.en.

[IUCNTschudisslenderopossum-93] Solari, S.; Cáceres, N. (2016). "Marmosops impavidus". IUCN Red List of Threatened Species. 2016: e.T89333331A22178706. doi:10.2305/IUCN.UK.2016-1.RLTS.T89333331A22178706.en.

[IUCNWhite-belliedslenderopossum-94] Solari, S.; Tarifa, T.; Astúa, D.; Cáceres, N. (2021) [amended version of 2016 assessment]. "Marmosops noctivagus". IUCN Red List of Threatened Species. 2021: e.T40508A197313291. doi:10.2305/IUCN.UK.2021-1.RLTS.T40508A197313291.en.

[ADWBrownfour-eyedopossum-95] Martina, Leila Siciliano (2014). "Metachirus nudicaudatus". Animal Diversity Web. University of Michigan. Retrieved December 7, 2021.

[IUCNBrownfour-eyedopossum-96] Brito, D.; Astúa, D.; Lew, D.; de la Sancha, N. (2021) [amended version of 2015 assessment]. "Metachirus nudicaudatus". IUCN Red List of Threatened Species. 2021: e.T40509A197311536. doi:10.2305/IUCN.UK.2021-1.RLTS.T40509A197311536.en.

[Walker5355-97] Nowak, pp. 53–55

[IUCNAmazonianred-sidedopossum-98] Brito, D.; Astúa, D.; Solari, S. (2021) [amended version of 2016 assessment]. "Monodelphis glirina". IUCN Red List of Threatened Species. 2021: e.T97249272A197321380. doi:10.2305/IUCN.UK.2021-1.RLTS.T97249272A197321380.en.

[IUCNEmiliasshort-tailedopossum-99] Patton, J. L.; Percequillo, A. R. (2015). "Monodelphis emiliae". IUCN Red List of Threatened Species. 2015: e.T13694A22170338. doi:10.2305/IUCN.UK.2015-4.RLTS.T13694A22170338.en.

[ADWGrayshort-tailedopossum-100] Moore, David (2006). "Monodelphis domestica". Animal Diversity Web. University of Michigan. Retrieved December 7, 2021.

[IUCNGrayshort-tailedopossum-101] Flores, D.; de la Sancha, N. (2021) [amended version of 2016 assessment]. "Monodelphis domestica". IUCN Red List of Threatened Species. 2021: e.T40514A197307682. doi:10.2305/IUCN.UK.2021-1.RLTS.T40514A197307682.en.

[IUCNHandleysshort-tailedopossum-102] Solari, S. (2017) [errata version of 2016 assessment]. "Monodelphis handleyi". IUCN Red List of Threatened Species. 2016: e.T199833A115345427. doi:10.2305/IUCN.UK.2016-3.RLTS.T199833A22171921.en.

[IUCNHoodedred-sidedopossum-103] Pérez-Hernandez, R.; Ventura, J.; López Fuster, M. (2016). "Monodelphis palliolata". IUCN Red List of Threatened Species. 2016: e.T136516A22172033. doi:10.2305/IUCN.UK.2016-1.RLTS.T136516A22172033.en.

[IUCNIheringsthree-stripedopossum-104] Pavan, S. (2021) [amended version of 2016 assessment]. "Monodelphis iheringi". IUCN Red List of Threatened Species. 2021: e.T13695A197307475. doi:10.2305/IUCN.UK.2021-1.RLTS.T13695A197307475.en.

[IUCNLong-nosedshort-tailedopossum-105] Brito, D.; Pavan, S. (2016). "Monodelphis scalops". IUCN Red List of Threatened Species. 2016: e.T97249078A97249081. doi:10.2305/IUCN.UK.2016-2.RLTS.T97249078A97249081.en.

[IUCNNorthernred-sidedopossum-106] Catzeflis, F.; Costa, P.; Lew D., Soriano; P. (2015). "Monodelphis brevicaudata". IUCN Red List of Threatened Species. 2015: e.T40513A22171441. doi:10.2305/IUCN.UK.2015-4.RLTS.T40513A22171441.en.

[IUCNNorthernthree-stripedopossum-107] Astúa, D.; Cáceres, N.; Brito, D.; Costa, L. P. (2021) [amended version of 2020 assessment]. "Monodelphis americana". IUCN Red List of Threatened Species. 2021: e.T96866849A197321762. doi:10.2305/IUCN.UK.2021-1.RLTS.T96866849A197321762.en.

[IUCNOne-stripedopossum-108] Pavan, S. (2016). "Monodelphis unistriata". IUCN Red List of Threatened Species. 2016: e.T13703A22171555. doi:10.2305/IUCN.UK.2016-3.RLTS.T13703A22171555.en.

[IUCNOsgoodsshort-tailedopossum-109] Solari, S.; Tarifa, T. (2015). "Monodelphis osgoodi". IUCN Red List of Threatened Species. 2015: e.T13698A22171354. doi:10.2305/IUCN.UK.2015-4.RLTS.T13698A22171354.en.

[IUCNPeruvianshort-tailedopossum-110] Solari, S. (2016). "Monodelphis peruviana". IUCN Red List of Threatened Species. 2016: e.T51342998A51343019. doi:10.2305/IUCN.UK.2016-3.RLTS.T51342998A51343019.en.

[IUCNPygmyshort-tailedopossum-111] Solari, S.; Vilela, J.; Tarifa, T. (2015). "Monodelphis kunsi". IUCN Red List of Threatened Species. 2015: e.T13696A22170540. doi:10.2305/IUCN.UK.2015-4.RLTS.T13696A22170540.en.

[IUCNReigsopossum-112] Pérez-Hernandez, R.; Ventura, J.; López Fuster, M. (2016). "Monodelphis reigi". IUCN Red List of Threatened Species. 2016: e.T136392A22170127. doi:10.2305/IUCN.UK.2016-1.RLTS.T136392A22170127.en.

[IUCNRonaldsopossum-113] Solari, S. (2015). "Monodelphis ronaldi". IUCN Red List of Threatened Species. 2015: e.T136404A22171753. doi:10.2305/IUCN.UK.2015-4.RLTS.T136404A22171753.en.

[ADWSepiashort-tailedopossum-114] Kroeker, Kathryn (2017). "Monodelphis adusta". Animal Diversity Web. University of Michigan. Retrieved December 7, 2021.

[IUCNSepiashort-tailedopossum-115] Solari, S.; Tarifa, T. (2015). "Monodelphis adusta". IUCN Red List of Threatened Species. 2015: e.T51343071A22170648. doi:10.2305/IUCN.UK.2015-4.RLTS.T51343071A22170648.en.

[IUCNYellow-sidedopossum-116] Teta, P.; Martin, G. M. (2016). "Monodelphis dimidiata". IUCN Red List of Threatened Species. 2016: e.T13693A22170430. doi:10.2305/IUCN.UK.2016-1.RLTS.T13693A22170430.en.

[ADWAndersonsfour-eyedopossum-117] Cable, Rachel (2013). "Philander andersoni". Animal Diversity Web. University of Michigan. Retrieved December 7, 2021.

[IUCNAndersonsfour-eyedopossum-118] Astúa, D.; Pérez-Hernandez, R.; Costa, L. P. (2021) [amended version of 2016 assessment]. "Philander andersoni". IUCN Red List of Threatened Species. 2021: e.T40515A197311087. doi:10.2305/IUCN.UK.2021-1.RLTS.T40515A197311087.en.

[Walker71-119] Nowak, p. 71

[IUCNDeltaicfour-eyedopossum-120] Pérez-Hernandez, R.; Ventura, J.; López Fuster, M. (2016). "Philander deltae". IUCN Red List of Threatened Species. 2016: e.T136227A22177383. doi:10.2305/IUCN.UK.2016-1.RLTS.T136227A22177383.en.

[ADWGrayfour-eyedopossum-121] Martina, Leila Siciliano; Waters, Michael (2014). "Philander opossum". Animal Diversity Web. University of Michigan. Retrieved December 7, 2021.

[IUCNGrayfour-eyedopossum-122] Sancha, N.; Pérez-Hernandez, R.; Costa, L. P.; Brito, D.; Cáceres, N. (2016). "Philander opossum". IUCN Red List of Threatened Species. 2016: e.T40516A22176779. doi:10.2305/IUCN.UK.2016-2.RLTS.T40516A22176779.en.

[ADWMcIlhennysfour-eyedopossum-123] Cable, Rachel (2013). "Philander mcilhennyi". Animal Diversity Web. University of Michigan. Retrieved December 7, 2021.

[IUCNMcIlhennysfour-eyedopossum-124] Costa, L. P.; Astúa, D.; Brito, D.; Cáceres, N. (2021) [amended version of 2015 assessment]. "Philander mcilhennyi". IUCN Red List of Threatened Species. 2021: e.T136501A197311360. doi:10.2305/IUCN.UK.2021-1.RLTS.T136501A197311360.en.

[ADWSoutheasternfour-eyedopossum-125] Cable, Rachel (2013). "Philander frenatus". Animal Diversity Web. University of Michigan. Retrieved December 7, 2021.

[IUCNSoutheasternfour-eyedopossum-126] Sancha, N.; Brito, D.; Costa, L. (2016). "Philander frenatus". IUCN Red List of Threatened Species. 2016: e.T136375A22177125. doi:10.2305/IUCN.UK.2016-2.RLTS.T136375A22177125.en.

[Walker90-127] Nowak, p. 90

[IUCNArgentinefat-tailedmouseopossum-128] Flores, D. (2016). "Thylamys cinderella". IUCN Red List of Threatened Species. 2016: e.T51343307A22173237. doi:10.2305/IUCN.UK.2016-2.RLTS.T51343307A22173237.en.

[IUCNBuff-belliedfat-tailedmouseopossum-129] Flores, D. (2016). "Thylamys venustus". IUCN Red List of Threatened Species. 2016: e.T136626A22172283. doi:10.2305/IUCN.UK.2016-2.RLTS.T136626A22172283.en.

[ArgentinaThylamys-130] Teta, P.; D'Elía, G.; Flores, D. A.; De La Sancha, N. U. (2009). "Diversity and distribution of the mouse opossums of the genus Thylamys (Didelphimorphia, Didelphidae) in north-eastern and central Argentina". Gayana. 73 (2): 180–199. doi:10.4067/S0717-65382009000200003.

[IUCNCommonfat-tailedmouseopossum-131] Sancha, N.; Teta, P.; Flores, D.; Albanese, M. S. (2015). "Thylamys pusillus". IUCN Red List of Threatened Species. 2015: e.T201936A22172657. doi:10.2305/IUCN.UK.2015-4.RLTS.T201936A22172657.en.

[IUCNDwarffat-tailedmouseopossum-132] Carmignotto, A. P.; Astúa, D. (2021) [amended version of 2016 assessment]. "Thylamys velutinus". IUCN Red List of Threatened Species. 2021: e.T40520A197307942. doi:10.2305/IUCN.UK.2021-1.RLTS.T40520A197307942.en.

[IUCNElegantfat-tailedmouseopossum-133] Solari, S.; Palma, E. (2016). "Thylamys elegans". IUCN Red List of Threatened Species. 2016: e.T40517A22172461. doi:10.2305/IUCN.UK.2016-1.RLTS.T40517A22172461.en.

[IUCNKarimisfat-tailedmouseopossum-134] Carmignotto, A. P.; Costa, L. P.; Astúa, D. (2021) [amended version of 2016 assessment]. "Thylamys karimii". IUCN Red List of Threatened Species. 2021: e.T136653A197308408. doi:10.2305/IUCN.UK.2021-1.RLTS.T136653A197308408.en.

[IUCNParaguayanfat-tailedmouseopossum-135] Sancha, N.; Teta, P. (2015). "Thylamys macrurus". IUCN Red List of Threatened Species. 2015: e.T21867A22173324. doi:10.2305/IUCN.UK.2015-4.RLTS.T21867A22173324.en.

[IUCNTatesfat-tailedmouseopossum-136] Solari, S. (2015). "Thylamys tatei". IUCN Red List of Threatened Species. 2015: e.T136243A22173132. doi:10.2305/IUCN.UK.2015-4.RLTS.T136243A22173132.en.

[ADWWhite-belliedfat-tailedmouseopossum-137] Giarla, Tom (2012). "Thylamys pallidior". Animal Diversity Web. University of Michigan. Retrieved December 7, 2021.

[IUCNWhite-belliedfat-tailedmouseopossum-138] Albanese, M. S.; Martin, G. M.; Teta, P.; Flores, D. (2015). "Thylamys pallidior". IUCN Red List of Threatened Species. 2015: e.T14888655A51222283. doi:10.2305/IUCN.UK.2015-4.RLTS.T14888655A51222283.en.

[Walker56-139] Nowak, p. 56

[IUCNGrayishmouseopossum-140] Martin, G. M. (2017). "Tlacuatzin canescens". IUCN Red List of Threatened Species. 2017: e.T12813A22177663. doi:10.2305/IUCN.UK.2017-2.RLTS.T12813A22177663.en.

[ADWBushy-tailedopossum-141] Martina, Leila Siciliano (2014). "Glironia venusta". Animal Diversity Web. University of Michigan. Retrieved December 7, 2021.

[IUCNBushy-tailedopossum-142] Solari, S.; Martin, G. M. (2016). "Glironia venusta". IUCN Red List of Threatened Species. 2016: e.T9245A22179598. doi:10.2305/IUCN.UK.2016-1.RLTS.T9245A22179598.en.

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[IUCNKalinowskismouseopossum-144] Astúa, D.; Cáceres, N.; Brito, D.; Costa, L. P. (2021) [amended version of 2016 assessment]. "Hyladelphys kalinowskii". IUCN Red List of Threatened Species. 2021: e.T9422A197309523. doi:10.2305/IUCN.UK.2021-1.RLTS.T9422A197309523.en.