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Promerycochoerus chelydra
Taxonomy
Merycochoerus chelydra was named by Cope (1884).
It was recombined as Promerycochoerus superbus chelydra by Schultz and Falkenbach (1949); it was recombined as Promerycochoerus chelydra by Douglass (1901), Thorpe (1921), Thorpe (1924), Thorpe (1937), Stevens and Stevens (2007) and Stevens et al. (2023).
It was recombined as Promerycochoerus superbus chelydra by Schultz and Falkenbach (1949); it was recombined as Promerycochoerus chelydra by Douglass (1901), Thorpe (1921), Thorpe (1924), Thorpe (1937), Stevens and Stevens (2007) and Stevens et al. (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1884 | Merycochoerus chelydra Cope p. 523 |
| 1901 | Promerycochoerus chelydra Douglass |
| 1902 | Merycochoerus chelydra Hay p. 668 |
| 1921 | Promerycochoerus chelydra Thorpe p. 225 |
| 1924 | Promerycochoerus chelydra Thorpe |
| 1937 | Promerycochoerus chelydra Thorpe p. 112 figs. Figs. 71-73 |
| 1949 | Promerycochoerus superbus chelydra Schultz and Falkenbach p. 111 |
| 1998 | Merycochoerus chelydra Lander |
| 2007 | Promerycochoerus chelydra Stevens and Stevens p. 160 |
| 2023 | Promerycochoerus chelydra Stevens et al. p. 68 figs. Figure 50; Table A23 |
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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 chelydra Cope 1884
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. S. Stevens et al. 2023 | Slightly larger (M1-3 length = 71-74 mm) and
more robust than P. superbus, but not as large or robust as P. carrikeri, and zygomatic arches are not as wide and flaring and robust as those in P. carrikeri |