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Protocyon
Taxonomy
Protocyon was named by Giebel (1855). It is not extant.
It was assigned to Canidae by Kurten and Anderson (1980), Carroll (1988); to Cerdocyonina by Wang et al. (2008), Ruiz-Ramoni et al. (2022); and to Caninae by Prevosti (2023).
It was assigned to Canidae by Kurten and Anderson (1980), Carroll (1988); to Cerdocyonina by Wang et al. (2008), Ruiz-Ramoni et al. (2022); and to Caninae by Prevosti (2023).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1855 | Protocyon Giebel |
| 1917 | Pleurocyon Mercerat |
| 1941 | Paleospeothos Spillmann |
| 1980 | Protocyon Kurten and Anderson p. 172 |
| 1988 | Protocyon Carroll |
| 2008 | Protocyon Wang et al. |
| 2022 | Protocyon Ruiz-Ramoni et al. p. 105 |
| 2023 | Protocyon Prevosti |
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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. †Protocyon Giebel 1855
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†Protocyon orocualensis Ruiz-Ramoni et al. 2022
†Protocyon scagliarum Kraglievich 1952
†Protocyon tarijensis Ameghino 1902
†Protocyon troglodytes Lund 1938
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Invalid names: Canis lycodes Lund 1843 [synonym], Canis musculosus Ameghino 1882 [synonym], Palaeocyon validus Lund 1843 [synonym], Paleospeothos colomae Spillmann 1942 [synonym], Protocyon orcesi Hoffstetter 1952 [synonym]
Invalid names: Paleospeothos Spillmann 1941 [nomen nudum], Pleurocyon Mercerat 1917 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| Mandible at m1 height | 1 | 29.7 | |||||
| Mandible at p4 height | 1 | 26.8 |
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Nowak 1991, Ji et al. 2002, Carroll 1988, Hendy et al. 2009, Lillegraven 1979 | |||||
Age range: base of the Ensenadan to the top of the Late/Upper Pleistocene or 1.75000 to 0.01170 Ma
Collections (35 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Pliocene - Early/Lower Pleistocene | Venezuela (Monagas) | Protocyon indet. (144977) P. orocualensis (147081) | |
| Early/Lower Pleistocene | Bolivia (Tarija ) | P. troglodytes (70673) | |
| Early/Lower Pleistocene | Argentina (Buenos Aires) | P. scagliarum (71304) | |
| Early/Lower Pleistocene | Bolivia | P. tarijensis (142016) | |
| Pleistocene | Brazil (Paraiba) | P. sp. (71298) | |
| Pleistocene | Ecuador (Chimborazo) | P. troglodytes (231073) | |
| Pleistocene | Brazil (Ceara) | P. sp. (71301 71302) | |
| Pleistocene | Brazil (Minas Gerais) | P. troglodytes (213204 231069) | |
| Pleistocene - Holocene | Brazil (Mato Grosso do Sul) | P. troglodytes (92814) | |
| Pleistocene - Holocene | Brazil (Minas Gerais) | P. troglodytes (231068) | |
| Ensenadan | Bolivia | P. sp. (71322) | |
| Ensenadan | Argentina (Buenos Aires) | P. scagliarum (212780) P. sp. (199170) P. troglodytes (231071) | |
| Middle Pleistocene | Bolivia (Chuquisaca) | P. troglodytes (70704) | |
| Lujanian | Argentina (Buenos Aires) | P. troglodytes (142142) | |
| Lujanian | Argentina (Santa Fe) | P. sp. (231074) | |
| Lujanian | Brazil (Ceará) | P. troglodytes (231070) | |
| Lujanian | Brazil (Paraná) | P. troglodytes (231072) | |
| Lujanian | Argentina (Chaco) | P. troglodytes (78581) | |
| Lujanian (interglacial) | Uruguay (Salto) | P. troglodytes (140159) | |
| Late/Upper Pleistocene | Ecuador (Santa Elena) | P. orcesi (133630) | |
| Late/Upper Pleistocene | Mexico (Quintana Roo) | Canis latrans (212361) | |
| Late/Upper Pleistocene | Argentina | P. troglodytes (183973) | |
| Late/Upper Pleistocene | Brazil (Piaui) | P. troglodytes (71332) | |
| Late/Upper Pleistocene | Brazil (Pernambuco) | P. troglodites (230715) | |
| Late/Upper Pleistocene | Bolivia (Tarija) | P. troglodytes, P. tarijensis (142327) | |
| Late/Upper Pleistocene | Argentina (Santa Fé) | P. sp. (189523) | |
| Late/Upper Pleistocene (high glacial) | Venezuela (Zulia) | P. sp., P. troglodytes (63515) | |
| Late/Upper Pleistocene | Brazil (Rio Grande do Sul) | P. troglodytes (147598) | |
| Late/Upper Pleistocene - Holocene | Brazil (Bahia) | P. troglodytes (71313) | |
| Late/Upper Pleistocene - Holocene | Brazil (Rio Grande do Norte) | P. troglodytes (148309) |