Dawsonicyon

Dawsonicyon ("Dawson's dog") is an extinct genus of placental mammals from clade Carnivoraformes, that lived in North America from early to middle Eocene.[1] Fossils of type species Dawsonicyon isami are known from the ‘Bridger B’, site of Black’s Fork member of the Bridger Formation in Wyoming, and includes an almost complete skeleton (holotype DMNH 19585).[1]

Dawsonicyon
Temporal range: early to middle Eocene
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Clade: Pan-Carnivora
Clade: Carnivoramorpha
Clade: Carnivoraformes
Genus: †Dawsonicyon
Spaulding, Flynn & Stucky, 2010[1]
Type species
†Dawsonicyon isami
Spaulding, Flynn & Stucky, 2010

Phylogeny

The phylogenetic relationships of genus Dawsonicyon are shown in the following cladogram:[2][3][4][5]

 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 

†Dawsonicyon isami

†"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

†"Miacis" gracilis

†Tapocyon

Carnivora (sensu stricto)

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

See also

References
  1. Michelle Spaulding; John J. Flynn; Richard K. Stucky (2010). "A new basal Carnivoramorphan (Mammalia) from the 'Bridger B' (Black's Fork member, Bridger Formation, Bridgerian Nalma, middle Eocene) of Wyoming, USA". Palaeontology. 53 (4): 815–832. Bibcode:2010Palgy..53..815S. doi:10.1111/j.1475-4983.2010.00963.x.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
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