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Yoderimys
Taxonomy
Yoderimys was named by Wood (1955). It is not extant. Its type is Yoderimys bumpi.
It was assigned to Eomyidae by McKenna and Bell (1997); and to Yoderimyinae by Wood (1955), Korth et al. (2022).
It was assigned to Eomyidae by McKenna and Bell (1997); and to Yoderimyinae by Wood (1955), Korth et al. (2022).
Species
Entered
by J. Alroy on 2003-01-23; modified by J. Alroy on 2013-10-27
Synonymy list
| Year | Name and author |
|---|---|
| 1955 | Yoderimys Wood |
| 1997 | Yoderimys McKenna and Bell |
| 2022 | Yoderimys Korth 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.
G. †Yoderimys Wood 1955
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†Yoderimys bumpi Wood 1955
†Yoderimys massarae Korth et al. 2022
†Yoderimys stewarti Russell 1972
†Yoderimys yarmeri Wilson and Runkel 1991
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. E. Wood 1955 | Cheek tooth formula P', M, the anterior upper premolar being peg- like; upper cheek teeth basically bipartite, with a union between protoloph and metaloph near center of teeth; strong buccal crest uniting protocone and metacone, and giving off a crest toward mesoloph; mesoloph weak; lower cheek teeth cuspate, with beginnings of development of crests; strong anteroconids on all teeth; ectolophid prominent and straight; mesolophid weak or replaced by pseudomesolophid; incisors with rounded anterolateral corners and enamel extending well onto lateral face; mental foramen high on side of mandible; masseteric fossa extending to beneath the rear of P4 or front of M1. |
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: base of the Late/Upper Chadronian to the top of the Chadronian or 37.00000 to 33.90000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chadronian | Canada (Saskatchewan) | Y. stewarti (16919) | |
| Chadronian | USA (North Dakota) | Y. stewarti (16991) | |
| Chadronian | USA (Wyoming) | Y. bumpi (16943 17045) Y. stewarti (16960 17009) | |
| Late/Upper Chadronian - Orellan | USA (Nebraska) | Y. massarae (230806) |