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Armintomyidae
Taxonomy
Armintomyidae was named by Dawson et al. (1990). Its type is Armintomys.
It was assigned to Dipodoidea by Dawson et al. (1990); and to Castorimorpha by McKenna and Bell (1997).
It was assigned to Dipodoidea by Dawson et al. (1990); and to Castorimorpha by McKenna and Bell (1997).
Subtaxa
Armintomys (type genus)
Entered
by J. Alroy on 2003-01-23; modified by J. Marcot on 2026-05-05
Synonymy list
| Year | Name and author |
|---|---|
| 1990 | Armintomyidae Dawson et al. p. 137 |
| 1997 | Armintomyidae McKenna and Bell |
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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.
Fm. †Armintomyidae Dawson et al. 1990
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. R. Dawson et al. 1990 | Rodents with hystricomorphous zygomasseteric structure, incisor enamel pauciserial leading to uniserial; brachydont cheek teeth including P3-41 , M1~3; P3 small; molars longer than wide, with well-developed hypocone, weak lophs. |
Measurements
No measurements are available
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| Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988, Lillegraven 1979, Nowak 1999, Ji et al. 2002 | |||||
Age range: Bridgerian or 51.10000 to 45.90000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bridgerian | USA (Wyoming) | Armintomys tullbergi (16204) |