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Passaliscomys priscus
Taxonomy
Passaliscomys priscus was named by Korth and Eaton (2004). Its type specimen is UMNH VP5657, a tooth (left P4), and it is a 3D body fossil. Its type locality is Turtle Basin, which is in a Duchesnean terrestrial horizon in the "Brian Head" Formation of Utah. It is the type species of Passaliscomys.
Synonymy list
Year | Name and author |
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2004 | Passaliscomys priscus Korth and Eaton p. 115 figs. 3A - F |
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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.
†Passaliscomys priscus Korth and Eaton 2004
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Diagnosis
Reference | Diagnosis | |
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W. W. Korth and J. G. Eaton 2004 | All molars four-cusped, lacking stylar cusps of Heliscomys; P4 four-cusped, differs from P4 of Heliscomys (and all other geomyoids) in presence of large paracone and lacking or having only rudimentary endostyle. |
Measurements
No measurements are available
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Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
References: Lillegraven 1979, Nowak 1999, Carroll 1988, Ji et al. 2002, Hendy et al. 2009 |
Age range: Duchesnean or 39.70000 to 37.00000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Duchesnean | USA (Utah) | Heliscomyidae indet. (type locality: 16877) |