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Taxonomy
Cerdocyon was named by Hamilton-Smith (1839). It is extant.
It was reranked as Canis (Cerdocyon) by van Gelder (1978).
It was assigned to Canis by van Gelder (1978); to Canidae by Hamilton-Smith (1839), Cabrera (1931), Carroll (1988) and Salles et al. (2006); and to Cerdocyonina by Wang et al. (2008) and Tedford et al. (2009).
It was reranked as Canis (Cerdocyon) by van Gelder (1978).
It was assigned to Canis by van Gelder (1978); to Canidae by Hamilton-Smith (1839), Cabrera (1931), Carroll (1988) and Salles et al. (2006); and to Cerdocyonina by Wang et al. (2008) and Tedford et al. (2009).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1839 | Cerdocyon Hamilton-Smith |
| 1905 | Carcinocyon Allen |
| 1931 | Cerdocyon Cabrera |
| 1978 | Canis (Cerdocyon) van Gelder |
| 1988 | Cerdocyon Carroll |
| 2006 | Cerdocyon Salles et al. p. 8 |
| 2008 | Cerdocyon Wang et al. |
| 2009 | Cerdocyon Tedford et al. p. 78 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. Cerdocyon Hamilton-Smith 1839 [crab-eating fox]
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†Cerdocyon texanus Tedford et al. 2009
Cerdocyon thous Linnaeus 1766 [crab eating fox]
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Invalid names: Canis azarae Wied 1824 [synonym], Canis brachyteles Blainville 1843 [synonym], Canis cancrivorus Brongniart 1792 [synonym], Canis entrerianus Burmeister 1861 [synonym], Canis melampus Wagner 1841 [synonym], Canis melanostomus Wagner 1843 [synonym], Canis robustior Lund 1843 [synonym], Canis rudis Günther 1879 [synonym], Cerdocyon apollinaris Allen 1918 [synonym], Cerdocyon guaraxa Hamilton Smith 1839 [synonym], Cerdocyon mimax Thomas 1914 [synonym], Cerdocyon tucumanus Thomas 1921 [synonym], Urocyon aquilus Bangs 1898 [synonym]
Invalid names: Carcinocyon Allen 1905 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. H. Tedford et al. 2009 | As indicated by Ted- ford et al. (1995), the synapomorphy that unites Cerdocyon with Atelocynus and Speothos and distinguishes it from more plesiomorphic South American Canini (Du- sicyon, Pseudalopex, and Lycalopex) is the further expansion of the angular process of the mandible and enlargement of the fossa for the inferior ramus of the median ptery- goid muscle. Additionally, other synapomor- phies specifically unite Cerdocyon and its sister taxon Nyctereutes such as presence of a subangular lobe of the mandible and short and recurved canines of small diameter. Cerdocyon differs from most cerdocyonines in that its palate does not extend behind the toothrow. The same is true for fossil species of Nyctereutes, but in the living N. procyo- noides the palate is long. |