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Promerycochoerus carrikeri
Taxonomy
Promerycochoerus carrikeri was named by Peterson (1907). Its type specimen is CM 1080, a partial skeleton (Skull with I1-M3, mandible with i1-m3, and most of skeleton), and it is a 3D body fossil. Its type locality is Monroe Creek (Type), which is in a Monroecreekian terrestrial horizon in the Monroe Creek Formation of Nebraska.
It was recombined as Merycochoerus carrikeri by Lander (1998).
It was recombined as Merycochoerus carrikeri by Lander (1998).
Synonyms
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Synonymy list
Year | Name and author |
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1907 | Promerycochoerus carrikeri Peterson |
1907 | Promerycochoerus vantasselensis Peterson |
1924 | Promerycochoerus gregoryi Loomis |
1924 | Promerycochoerus thomsoni Loomis |
1933 | Hypselochoerus gregoryi Loomis |
1937 | Promerycochoerus carrikeri Thorpe p. 106 figs. Figs. 68-70; PI. X, fig. 1 ; PI. XLV, fig. 1 |
1937 | Promerycochoerus gregoryi Thorpe p. 119 figs. Fig. 79; PI. XII; PI. XLVI, fig. 1 |
1937 | Promerycochoerus thomsoni Thorpe p. 146 figs. Figs. 106-107; PI. XIX; PI. XX, fig. 1 |
1937 | Promerycochoerus vantasselensis Thorpe p. 147 figs. Figs. 108-110; PI. XLV, fig. 2 |
1949 | Promerycochoerus carrikeri Schultz and Falkenbach p. 93 figs. 1-5, 11-14, 25, 26 |
1949 | Promerycochoerus (Parapromerycochoerus) barbouri Schultz and Falkenbach p. 117 figs. 5-7, 11, 12 |
1954 | Desmatochoerus curvidens gregoryi Schultz and Falkenbach p. 183 figs. 4-7 |
1998 | Merycochoerus carrikeri Lander |
1998 | Merycochoerus vantasselensis Lander |
2007 | Promerycochoerus carrikeri Stevens and Stevens p. 160 |
2023 | Promerycochoerus carrikeri Stevens et al. p. 69 figs. Figures 38, 51-53; Appendix 6A; Table A24 |
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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.
†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]
Diagnosis
Reference | Diagnosis | |
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C. B. Schultz and C. H. Falkenbach 1949 (Promerycochoerus (Parapromerycochoerus) barbouri) | SKULL:Smaller than in average examples of P. carrikeri from the same formation; sagittal crest slightly less in length and height than in P. (Parapromerycochoerus) macro- stegus; moderately wide frontals; nasal with more anterior retraction than in P. carrikeri; anterior nasal-maxilla contact above pos- terior portion of P 1 ; zygomatic arch with straight posterior border, not hooked as in examples of P. carrikeri; postglenoid process not so robust as that found in examples of
P. (P.) macrostegus. MANDIBLE:Comparatively light; inferior border increasing in depth posteriorly, with slight downward curve posterior of Ma, curve decidedly more abrupt in P. (P.) macroste- gus. DENTITION:Average length of dental se- ries less than in examples of P. carrikeri, P. (Parapromerycochoerus) macrostegus, and P. (P.) macrostegus furlongi. | |
M. S. Stevens et al. 2023 | Largest species of Promerycochoerus (M1-3 length = 70-85 mm), with the broadest and most robust zygomatic arches. |