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Brachyerix hibbardi
Taxonomy
Brachyerix hibbardi was named by Stevens (1977). Its type specimen is TMM 40635-149, a partial skull (associated maxilla fragment with P3-M 1, cranium, and left mandible with incisor, P4-M3), and it is a 3D body fossil. Its type locality is Castolon (TMM 40635), which is in a Harrisonian terrestrial horizon in the Delaho Formation of Texas.
Synonymy list
| Year | Name and author |
|---|---|
| 1977 | Brachyerix hibbardi Stevens p. 13 figs. 3A-H; 4A-C |
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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.
†Brachyerix hibbardi Stevens 1977
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. S. Stevens 1977 |
Differs from Brachyerix macrotis Matthew by slightly smaller size, wider p3, relatively less anteroposteriorly expanded p4 with the protocone longer than the hypocone, less anteroposteriorly attenuated M2, and a rudimentary M3. |
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Nowak 1991, Lillegraven 1979, Ji et al. 2002, Hendy et al. 2009, Carroll 1988 | |||||
Age range: Harrisonian or 24.80000 to 18.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Harrisonian | USA (Texas) | Brachyerix hibbardi (type locality: 17768) |