Tapocyon

Tapocyon ("dog from Tapo Canyon") is an extinct genus of placental mammals from clade Carnivoraformes, that lived in North America during the middle Eocene.[5][6] Tapocyon was about the size of a coyote and is believed to have been a good climber that spent a lot of time in trees.[7]

Tapocyon
Temporal range: middle Eocene
Life restoration of Tapocyon robustus
Replica of T. robustus lower jaw at the Natural History Museum of Los Angeles County
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Clade: Pan-Carnivora
Clade: Carnivoramorpha
Clade: Carnivoraformes
Genus: †Tapocyon
Stock, 1934[1]
Type species
†Tapocyon robustus
Peterson, 1919
Species
  • †T. dawsonae (Wesley & Flynn, 2003)[2]
  • †T. robustus (Peterson, 1919)[3]
Synonyms
synonyms of species:
  • T. robustus:
    • Miacis robustus (Gazin, 1956)[4]
    • Prodaphaenus robustus (Peterson, 1919)
    • Tapocyon occidentalis (Stock, 1934)
    • Uintacyon robustus

Phylogeny

The phylogenetic relationships of genus Tapocyon are shown in the following cladogram:[8][9][10][11]

 Carnivoramorpha 
 †Viverravidae 

†Viverravoidea

 ? 

†Carnivoramorpha sp. (UALVP 50993 & UALVP 50994)

 ? 

†Ravenictis

 sensu lato 
 ? 

†Carnivoramorpha sp. (UALVP 31176)

 ? 

†Carnivoramorpha sp. (USNM 538395)

 ? 

†"Sinopa" insectivorus

 Carnivoraformes 
 Clade "B" 

†Eogale

†"Miacis" sp. (CM 67873 & CM 77299)

†Gracilocyon igniculus

†Gracilocyon winkleri

†Gracilocyon solei

 †Gracilocyon

†Gracilocyon sp. (Jibou, Romania)

†Gracilocyon rosei

†Gracilocyon rundlei

†Paramiacis

†Paroodectes

 †Oodectes jepseni 

 †Oodectes 

 †Oodectes herpestoides 

 †Oodectes proximus 

 †Oodectes pugnax 

 †Uintacyon hookeri 

 †Uintacyon rudis 

 †Uintacyon 

 †Uintacyon massetericus 

 †Uintacyon vorax 

 †Uintacyon asodes 

 †Uintacyon edax 

 †Uintacyon acutus 

 †Uintacyon jugulans 

 †Uintacyon gingerichi 

†Xinyuictis

†Zodiocyon

†Miocyon

†Simamphicyon

 †Uintacyon sp. (USGS 1983) 

†Messelogale

†Quercygalidae

 Clade "C" 

†Palaearctonyx

 (†Phlaodectes) 

†Vulpavus ovatus

†Vulpavus profectus

†Vulpavus australis

†Vulpavus canavus

†Vulpavus completus

 †Vulpavus

†Vulpavus farsonensis

†Vulpavus palustris

†Vassacyon

†Dormaalocyon

†"Miacis" exiguus

†"Miacis" deutschi

†Africtis

 ? 

†Carnivoraformes undet. Genus B

†Dawsonicyon

†"Miacis" boqinghensis

†"Miacis" hookwayi

†"Miacis" latidens

†"Miacis" petilus

 ? 

†Carnivoraformes undet. Genus A

†Miacis

 Clade "D" 

†Lycarion

†"Miacis" hargeri

 ? 

†Ceruttia

†"Miacis" invictus

†"Miacis" lushiensis

†Neovulpavus

†Harpalodon

†Procynodictis

†Prodaphaenus

 ? 

†Walshius

 †Tapocyon 

†Tapocyon dawsonae

†Tapocyon robustus

†"Miacis" gracilis

Carnivora (sensu stricto)

†Gracilocyon/Oodectes clade
†Vulpavus clade
 (Carnivora [sensu lato]) 

See also

References
  1. Stock, Chester (1934). "New Creodonta from the Sespe Upper Eocene, California". Proceedings of the National Academy of Sciences. 20 (7): 423–427. Bibcode:1934PNAS...20..423S. doi:10.1073/pnas.20.7.423. PMC 1076436. PMID 16577609.
  2. Wesley, G. D.; Flynn, J. J. (2003). "A revision of Tapocyon (Carnivoramorpha), including analysis of the first cranial specimens and identification of a new species". Journal of Paleontology. 77 (4): 769–783. doi:10.1666/0022-3360(2003)077<0769:AROTCI>2.0.CO;2. JSTOR 4094822. S2CID 85962560.
  3. O. A. Peterson (1919.) "Report Upon the Material Discovered in the Upper Eocene of the Uinta Basin by Earl Douglas in the Years 1908-1909, and by O. A. Peterson in 1912." Annals of Carnegie Museum 12(2):40-168
  4. Gazin, C. L. (1956.) "The Geology and Vertebrate Paleontology of Upper Eocene Strata in the Northeastern Part of the Wind River Basin, Wyoming, Pt. 2, The Mammalian Fauna of the Badwater Area." Smithsonian Miscellaneous Collections, 131(8):16–35.
  5. McKenna, Malcolm C.; Bell, Susan K. (1997). Classification of Mammals Above the Species Level. New York: Columbia University Press. ISBN 978-0-231-11012-9.
  6. J. J. Flynn (1998.) "Early Cenozoic Carnivora ("Miacoidea")." In C. M. Janis, K. M. Scott, and L. L. Jacobs (eds.) "Evolution of Tertiary Mammals of North America. Volume 1: Terrestrial Carnivores, Ungulates, and Ungulatelike Mammals." Cambridge University Press, Cambridge. ISBN 9780521355193
  7. "Tapocyon robustus". San Diego Natural History Museum. Retrieved 11 March 2017.
  8. Flynn, John J.; Finarelli, John A.; Spaulding, Michelle (2010). "Phylogeny of the Carnivora and Carnivoramorpha, and the use of the fossil record to enhance understanding of evolutionary transformations". In Goswami, Anjali; Friscia, Anthony (eds.). Carnivoran evolution. New views on phylogeny, form and function. Cambridge University Press. pp. 25–63. doi:10.1017/CBO9781139193436.003. ISBN 9781139193436.
  9. Solé, Floréal; Smith, Richard; Coillot, Tiphaine; de Bast, Eric; Smith, Thierry (2014). "Dental and tarsal anatomy of Miacis latouri and a phylogenetic analysis of the earliest carnivoraforms (Mammalia, Carnivoramorpha)". Journal of Vertebrate Paleontology. 34 (1): 1–21. Bibcode:2014JVPal..34....1S. doi:10.1080/02724634.2013.793195. ISSN 0272-4634. S2CID 86207013.
  10. Solé, Floréal; Smith, Thierry; De Bast, Eric; Codrea, Vlad; Gheerbrant, Emmanuel (2016). "New carnivoraforms from the latest Paleocene of Europe and their bearing on the origin and radiation of Carnivoraformes (Carnivoramorpha, Mammalia)". Journal of Vertebrate Paleontology. 36 (2): e1082480. Bibcode:2016JVPal..36E2480S. doi:10.1080/02724634.2016.1082480. ISSN 0272-4634. S2CID 87537565.
  11. Tomiya, S.; Zack, S. P.; Spaulding, M.; Flynn, J. J. (2021). "Carnivorous mammals from the middle Eocene Washakie Formation, Wyoming, USA, and their diversity trajectory in a post-warming world". Journal of Paleontology. 95 (Supplement S82): 1–115. Bibcode:2021JPal...95S...1T. doi:10.1017/jpa.2020.74. hdl:2433/274918. S2CID 232358160.
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