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Promerycochoerinae
Taxonomy
Promerycochoerinae was named by Schultz and Falkenbach (1949).
It was assigned to Merycoidodontidae by Schultz and Falkenbach (1949), Stevens and Stevens (1996), Stevens and Stevens (2007) and Stevens et al. (2023).
It was assigned to Merycoidodontidae by Schultz and Falkenbach (1949), Stevens and Stevens (1996), Stevens and Stevens (2007) and Stevens et al. (2023).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1949 | Promerycochoerinae Schultz and Falkenbach p. 84 |
| 1954 | Desmatochoerinae Schultz and Falkenbach p. 153 |
| 1996 | Promerycochoerinae Stevens and Stevens p. 510 |
| 2007 | Promerycochoerinae Stevens and Stevens p. 161 |
| 2023 | Promerycochoerinae Stevens et al. p. 50 |
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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.
Subfm. †Promerycochoerinae Schultz and Falkenbach 1949
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G. †Desmatochoerus Thorpe 1921
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Subg. †Desmatochoerus (Paradesmatochoerus) Schultz and Falkenbach 1954
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†Desmatochoerus (Paradesmatochoerus) anthonyi Schultz and Falkenbach 1968
†Desmatochoerus curvidens Thorpe 1921
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Invalid names: Desmatochoerus hatcheri niobrarensis Schultz and Falkenbach 1954 [synonym], Promerycochoerus grinnelli Koerner 1940 [synonym]
†Desmatochoerus hatcheri Douglass 1907
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Invalid names: Promerycochoerus erythroceps Stock 1932 [synonym], Promerycochoerus hesperus Stock 1930 [synonym], Promerycochoerus thorpei Koerner 1940 [synonym]
†Desmatochoerus megalodon Peterson 1907
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Invalid names: Merycoides giganteus Schultz and Falkenbach 1949 [synonym], Mesoreodon megalodon sweeti Schultz and Falkenbach 1949 [invalid subgroup], Mesoreodon wheeleri Koerner 1940 [synonym]
Invalid names: Desmatochoerus hatcheri geringensis Schultz and Falkenbach 1954 [synonym], Hypselochoerus Loomis 1933 [synonym]
G. †Megoreodon Schultz and Falkenbach 1954
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†Megoreodon grandis Douglass 1907
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Invalid names: Megoreodon fricki Schultz and Falkenbach 1954 [synonym], Promerycochoerus hollandi Douglass 1907 [synonym], Promerycochoerus loomisi Schlaikjer 1934 [synonym], Promerycochoerus lulli Thorpe 1921 [synonym]
Invalid names: Superdesmatochoerus Schultz and Falkenbach 1954 [synonym]
G. †Promerycochoerus Douglass 1901
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Subg. †Promerycochoerus (Desmatochoerus) Thorpe 1921
Subg. †Promerycochoerus (Parapromerycochoerus) Schultz and Falkenbach 1949
Subg. †Promerycochoerus (Pseudopromerycochoerus) Schultz and Falkenbach 1949
†Promerycochoerus carrikeri Peterson 1907
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Invalid names: Promerycochoerus (Parapromerycochoerus) barbouri Schultz and Falkenbach 1949 [synonym], Promerycochoerus gregoryi Loomis 1924 [synonym], Promerycochoerus thomsoni Loomis 1924 [synonym], Promerycochoerus vantasselensis Peterson 1907 [synonym]
†Promerycochoerus chelydra Cope 1884
†Promerycochoerus leidyi Bettany 1876
†Promerycochoerus superbus Leidy 1870
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Invalid names: Merycochoerus macrostegus Cope 1884 [synonym], Merycochoerus montanus Cope 1884 [synonym], Merycochoerus temporalis Bettany 1876 [synonym], Promerycochoerus (Pseudopromerycochoerus) montanus pinensis Schultz and Falkenbach 1949 [synonym], Promerycochoerus inflatus Thorpe 1921 [synonym], Promerycochoerus latidens Thorpe 1921 [synonym], Promerycochoerus microcephalus Thorpe 1921 [synonym]
G. †Pseudodesmatochoerus Schultz and Falkenbach 1954
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†Pseudodesmatochoerus hoffmani Schultz and Falkenbach 1954
†Pseudodesmatochoerus milleri Schultz and Falkenbach 1954
Invalid names: Desmatochoerinae Schultz and Falkenbach 1954 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. B. Schultz and C. H. Falkenbach 1949 | small- to large-sized forms exhibiting a tendency towards brachycephalic skulls; a narrow supraoccipital region which is not fan shaped as in Merycochoerinae, Ticholeptinae, and Merychyinae; a small and shallow lacrimal fossa; an inflated muzzle with facial constriction; inflated bullae; brachyodont teeth; large C/ and P1; and a posterior intermediate crest on P3 | |
| C. B. Schultz and C. H. Falkenbach 1954 (Desmatochoerinae) | The subfamily embraces forms with medium- to large-sized skulls [the two smallest, Subdesmatochoerus socialis and Prodesmatochoerus meekae, are approximately equal in size to examples of Ticholeptus hypsodus and T. tooheyi, and the largest, Megoreodon grandis, is slightly larger than examples of Promerycochoerus (Pseudopro- merycochoerus) inflatus]. | |
| M. S. Stevens et al. 2023 | Medium- to large-sized oreodonts (M1-3 length= 70-80 mm), with distinctively robust and posteriorly upturned zygomatic arches, which flare out posterolaterally. |