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Pliophenacomys meadensis
Taxonomy
Pliophenacomys meadensis was named by Hibbard (1956). Its type specimen is UMMP 32019, a mandible (sin with m1, m2), and it is a 3D body fossil. Its type locality is Sanders (UM-K2-53), which is in a Blancan terrestrial horizon in the Ballard Formation of Kansas.
It was recombined as Mimomys meadensis by Repenning (1987); it was recombined as Ophiomys meadensis by Hibbard and Zakrzewski (1967), Kurten and Anderson (1980), Barnosky (1985) and Martin et al. (2002).
It was recombined as Mimomys meadensis by Repenning (1987); it was recombined as Ophiomys meadensis by Hibbard and Zakrzewski (1967), Kurten and Anderson (1980), Barnosky (1985) and Martin et al. (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1956 | Pliophenacomys meadensis Hibbard |
| 1967 | Ophiomys meadensis Hibbard and Zakrzewski |
| 1980 | Ophiomys meadensis Kurten and Anderson p. 255 |
| 1985 | Ophiomys meadensis Barnosky |
| 1987 | Mimomys meadensis Repenning |
| 2002 | Ophiomys meadensis Martin et al. |
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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.
†Pliophenacomys meadensis Hibbard 1956
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. W. Hibbard 1956 | Pliophenacomys meadensis is larger tha P. primaevus Hibbard and P. parvus (Wilson). The mental foramen is not so dorsal as in P. primaevus, and the capsular process for the base of the incisor on the coronoid process of the ascending ramus is better developed. The number of roots of M2 varies from two to three; M3 is two-rooted. In P. primaevus M2 has three roots, and M3 generally has two, although three roots are sometimes present. The posterior loop of the M3 in P. meadensis is more hook-shaped, like that of P. parvus (Wilson), than the posterior loop in P. primaevus, which is rounded. |