Prolimnocyon

Prolimnocyon ("before Limnocyon") is an extinct paraphyletic genus of limnocyonid hyaenodonts that lived in Asia and North America during the late Paleocene to middle Eocene.[6] Prolimnocyon chowi is the earliest known member of the hyaenodontid family Limnocyonidae.[7]

Prolimnocyon
Temporal range: late Paleocene to middle Eocene
lower jaw of Prolimnocyon antiquus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Hyaenodonta
Family: Limnocyonidae
Genus: Prolimnocyon
Matthew, 1915
Type species
Prolimnocyon atavus
Matthew, 1915
Species
  • P. antiquus (Matthew & Granger, 1915)[1]
  • P. atavus (Matthew & Granger, 1915)
  • P. chowi (Meng, 1998)[2]
  • P. eerius (Gingerich, 1989)[3]
  • P. haematus (Gingerich & Deutsch, 1989)[4]
Synonyms
synonyms of species:
  • P. antiquus:
    • Prolimnocyon elisabethae (Gazin, 1952)[5]

Phylogeny

The phylogenetic relationships of genus Prolimnocyon are shown in the following cladogram.[8][9][10][11][12][13][14]

 Hyaenodonta 

Eoproviverra

Boualitomidae

 Limnocyonidae 

Oxyaenodon

 ? 

Prolaena

 ? 

"Thinocyon" sichowensis

Limnocyon potens

Limnocyon cuspidens

Limnocyon verus

Thinocyon

Iridodon

Prolimnocyon atavus

Prolimnocyon haematus

Prolimnocyon antiquus

Prolimnocyon chowi

Prolimnocyon eerius

 ? 

Prolimnocyon sp. (South Pass, Green River Basin, Wyoming)

Arfiidae

Sinopidae

Hyaenodontoidea

Gazinocyon

Pyrocyon

Galecyon

 AfroArabian clade 

Parvavorodon

Indohyaenodontidae

Glibzegdouia

Koholiidae

Tritemnodon

Teratodontidae

Apterodontinae

Maocyon

Maocyon/Orienspterodon clade

Orienspterodon

Hyainailourinae

Hemipsalodon

 ? 

Ischnognathus

Akhnatenavus clade

Akhnatenavus

"Pterodon" sp. (BC 15’08)

Hyainailourinae sp. (UON 84-359)

Hyainailourinae sp. C (DPC 9243 & DPC 10315)

Hyainailourinae sp. D (DPC 6545)

Kerberos

"Pterodon" syrtos

Pterodon clade

Pterodontina

Hyainailourinae sp. A (DPC 6555)

"Pterodon" africanus

Parapterodon

"Pterodon" sp. (DPC 5036)

"Pterodon" phiomensis

Hyainailourini

Paroxyaenini

Falcatodon

Sectisodon

Exiguodon

Isohyaenodon zadoki

Isohyaenodon  (†Isohyaenodontina)

Isohyaenodon andrewsi

Sivapterodon

Hyainailouros bugtiensis

Hyainailouros napakensis

Hyainailouros

Hyainailouros sulzeri

Hyainailourinae sp. (GSN AD 100’96)

Simbakubwa

Leakitheriini

Megistotherium

Mlanyama

Metapterodontini

Pakakali

Prionogalidae

Hyainailouridae
Lahimia clade
Prolimnocyon
Arfia clade
Galecyon clade
Indohyaenodon clade
Tritemnodon clade

See also

References

  1. W. D. Matthew and W. Granger (1915.) "A revision of the Lower Eocene Wasatch and Wind River faunas." Bulletin of the American Museum of Natural History 34(1):1-103
  2. J. Meng, R. J. Zhai and A. R. Wyss (1998.) "The late Paleocene Bayan Ulan fauna of Inner Mongolia, China." Bulletin of Carnegie Museum of Natural History 34:148-185
  3. P. D. Gingerich (1989.) "New earliest Wasatchian mammalian fauna from the Eocene of northwestern Wyoming: composition and diversity in a rarely sampled high-floodplain assemblage." University of Michigan Papers on Paleontology 28:1-97
  4. P. D. Gingerich and H. A. Deutsch (1989.) "Systematics and Evolution of Early Eocene Hyaenodontidae (Mammalia, Creodonta) in the Clarks Fork Basin, Wyoming." Contributions from the Museum of Paleontology, University of Michigan 27(13):327-391
  5. C. L. Gazin (1952.) "The Lower Eocene Knight Formation Of Western Wyoming and Its Mammalian Faunas." Smithsonian Miscellaneous Collections 117(18):1-82
  6. "Fossilworks: Prolimnocyon". Retrieved 17 December 2021.
  7. Rose, Kenneth D. (2009). The Beginning of the Age of Mammals. JHU Press. p. 203. ISBN 978-0-8018-9221-9.
  8. M. Morlo & G. F. Gunnell (2003.) "Small Limnocyonines (Hyaenodontidae, Mammalia) From the Bridgerian Middle Eocene of Wyoming: Thinocyon, Prolimnocyon And Iridodon, New Genus." Contributions from the Museum of Paleontology, University of Michigan 31(2):43-78
  9. M. Morlo and G. F. Gunnell (2005.) "New species of Limnocyon (Mammalia, Creodonta) from the Bridgerian (middle Eocene)." Journal of Vertebrate Paleontology 25(1):251-255
  10. Borths, Matthew R; Stevens, Nancy J (2017). "Deciduous dentition and dental eruption of Hyainailouroidea (Hyaenodonta, "Creodonta," Placentalia, Mammalia)". Palaeontologia Electronica. 20 (3): 55A. doi:10.26879/776.
  11. Matthew R. Borths; Nancy J. Stevens (2019). "Simbakubwa kutokaafrika, gen. et sp. nov. (Hyainailourinae, Hyaenodonta, 'Creodonta,' Mammalia), a gigantic carnivore from the earliest Miocene of Kenya". Journal of Vertebrate Paleontology. 39 (1): e1570222. Bibcode:2019JVPal..39E0222B. doi:10.1080/02724634.2019.1570222. S2CID 145972918.
  12. Floréal Solé; Bernard Marandat; Fabrice Lihoreau (2020). "The hyaenodonts (Mammalia) from the French locality of Aumelas (Hérault), with possible new representatives from the late Ypresian". Geodiversitas. 42 (13): 185–214. doi:10.5252/geodiversitas2020v42a13.
  13. Solé, F.; Morlo, M.; Schaal, T.; Lehmann, T. (2021). "New hyaenodonts (Mammalia) from the late Ypresian locality of Prémontré (France) support a radiation of the hyaenodonts in Europe already at the end of the early Eocene". Geobios. 66–67: 119–141. Bibcode:2021Geobi..66..119S. doi:10.1016/j.geobios.2021.02.004. ISSN 0016-6995. S2CID 234848856.
  14. Averianov, Alexander; Obraztsova, Ekaterina; Danilov, Igor; Jin, Jian-Hua (2023). "A new hypercarnivorous hyaenodont from the Eocene of South China". Frontiers in Ecology and Evolution. 11. doi:10.3389/fevo.2023.1076819. ISSN 2296-701X.
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