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Jaywilsonomys ojinagaensis
Taxonomy
Jaywilsonomys ojinagaensis was named by Ferrusquia-Villafranca and Wood (1969) [genotype]. Its type locality is Rancho Gaitan, which is in a Chadronian terrestrial horizon in the Preitos Formation of Mexico. It is the type species of Jaywilsonomys.
Entered
by J. Alroy on 2003-01-23
Synonymy list
| Year | Name and author |
|---|---|
| 1969 | Jaywilsonomys ojinagaensis Ferrusquia-Villafranca and Wood |
| 1974 | Jaywilsonomys ojinagaensis Wood p. 57 figs. Figs.23,24A-B |
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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.
†Jaywilsonomys ojinagaensis Ferrusquia-Villafranca and Wood 1969
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. E. Wood 1974 | “Large species; diagonal nature of proto- cone-hypocone crest very prominent; lingual height of crown of unworn upper teeth about three times buccal height; arm from protoconid toward metaconid very prominent on molars, even when unworn; trigonid basin of P4 opens anteriorly; crestlet from ectolophid of P4 reaching toward a posterior crestlet from the metaconid, in addition to a metalophid; measurements as given in Tables [lO-12]. |
Measurements
No measurements are available
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| Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Ji et al. 2002, Nowak 1999, Lillegraven 1979, Hendy et al. 2009, Carroll 1988 | |||||
Age range: Chadronian or 37.00000 to 33.90000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chadronian | Mexico (Chihuahua) | Jaywilsonomys ojinagaensis (type locality: 17015) | |
| Chadronian | USA (New Mexico) | Jaywilsonomys ojinagaensis (17032) |