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Bownomomys americanus
Taxonomy
Teilhardina americana was named by Bown (1976). Its type specimen is UW 6896, a mandible (left dentary with c, possible alveolus for p1, p2-m3), and it is a 3D body fossil. Its type locality is No Water (150'), which is in a Wasatchian terrestrial horizon in the Willwood Formation of Wyoming. It is the type species of Bownomomys.
It was recombined as Tetonoides americana by Gingerich (1981); it was synonymized subjectively with Anemorhysis tenuiculus by Szalay (1982); it was recombined as Bownomomys americanus by Morse et al. (2019).
It was recombined as Tetonoides americana by Gingerich (1981); it was synonymized subjectively with Anemorhysis tenuiculus by Szalay (1982); it was recombined as Bownomomys americanus by Morse et al. (2019).
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Teilhardina americana Bown |
| 1981 | Tetonoides americana Gingerich |
| 1984 | Teilhardina americana Bown and Rose |
| 1987 | Teilhardina americana Bown and Rose |
| 2007 | Teilhardina americana Hooker p. 750 |
| 2011 | Teilhardina americana Rose et al. |
| 2019 | Bownomomys americanus Morse et al. p. 121 |
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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.
†Bownomomys americanus Bown 1976
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. E. Morse et al. 2019 | Differs from B. crassidens (which lacks the P1 entirely) in variably retaining the P1, having a less hypertrophied I1, a P4 metaconid that is relatively lower when compared to the height of the protoconid, and relatively narrower P3-M3. |