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Protorepomys mckayensis
Taxonomy
Protorepomys mckayensis was named by Martin and Zakrzewski (2019). Its type specimen is UOMNH 24603, a tooth (left m1), and it is a 3D body fossil. Its type locality is McKay Reservoir, which is in a Hemphillian pond sandstone in the McKay Formation of Oregon.
Entered
by J. Marcot on 2026-06-01; modified by J. Marcot on 2026-06-01
Synonymy list
| Year | Name and author |
|---|---|
| 2019 | Protorepomys mckayensis Martin and Zakrzewski p. 1572 figs. Figs. 3E and 3F |
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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.
†Protorepomys mckayensis Martin and Zakrzewski 2019
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. A. Martin and R. J. Zakrzewski 2019 | Anterolabial cingulum and metaconid con- fluent with anteroconid on m1; M1 without enamel atoll and lacking protolophule and mesolophule; m1 with mesolophulid; m3 S-shaped, with well-developed mesolophulid but lacking anterior atoll and posteroflexid; m2–m3 with well-developed anterolabial cingulum |
Measurements
No measurements are available
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| Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Nowak 1999, Ji et al. 2002, Carroll 1988, Lillegraven 1979 | |||||
Age range: Hemphillian or 9.40000 to 4.70000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Hemphillian | USA (Oregon) | Peromyscus esmeraldensis (type locality: 18970) |