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Thryptacodon pseudarctos
Taxonomy
Thryptacodon pseudarctos was named by Simpson (1928). Its type specimen is A. M. No. 22176, a tooth (isolated [upper] M2 right), and it is a 3D body fossil. Its type locality is Bear Creek, which is in a Clarkforkian terrestrial horizon in the Fort Union Formation of Montana.
It was synonymized subjectively with Thryptacodon antiquus by Van Valen and Sloan (1966) and Van Valen (1978).
It was synonymized subjectively with Thryptacodon antiquus by Van Valen and Sloan (1966) and Van Valen (1978).
Synonymy list
Year | Name and author |
---|---|
1928 | Thryptacodon pseudarctos Simpson p. 10 |
1930 | Thryptacodon pseudarctos Hay p. 462 |
1978 | Thryptacodon pseudarctos Gingerich |
1981 | Thryptacodon pseudarctos Rose |
1982 | Thryptacodon pseudarctos Winterfeld |
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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.
†Thryptacodon pseudarctos Simpson 1928
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Diagnosis
No diagnoses are available