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Machaeroides simpsoni
Taxonomy
Machaeroides simpsoni was named by Dawson et al. (1986). Its type specimen is CM 45115, a partial skull (fragments of a skull includin4 parts of the palate, with incisors, canines, right P1-M2 and left P4-M2), and it is a 3D body fossil. Its type locality is K-7W, which is in a Lostcabinian terrestrial horizon in the Wind River Formation of Wyoming.
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Machaeroides simpsoni Dawson et al. p. 177 figs. 1, 2 |
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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.
†Machaeroides simpsoni Dawson et al. 1986
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. R. Dawson et al. 1986 | Differs from M. eothen in having P2 more obliquely oriented, P3 two-rooted with weaker pro- tocone, M2 more robust. Enamel on anterior and posterior ridges of upper canine and crests of cheek teeth serrated. Jaw more vertical at symphysis. P4 protoconid inclined slightly more posteriorly. |