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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. |
Measurements
No measurements are available
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| Source: f = family, c = class, subp = subphylum | |||||
| References: Ji et al. 2002, Carroll 1988, Hendy et al. 2009 | |||||
Age range: Wasatchian or 56.00000 to 51.10000 Ma
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wasatchian | USA (Wyoming) | Teilhardina americana (15488 15491 type locality: 15493 15586 15694 15729 15747 15786 46728 46792 46796 46800 46804 46813 46814) Tetonoides tenuiculus (15793) |