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Gregorymys formosus
Taxonomy
Entoptychus formosus was named by Matthew (1907). Its type locality is AMNH Rosebud 20, which is in a Harrisonian terrestrial horizon in the Harrison Formation of South Dakota.
It was recombined as Gregorymys formosus by Wood (1936), Macdonald (1963), Macdonald (1970), Rensberger (1971) and Wahlert and Souza (1988).
It was recombined as Gregorymys formosus by Wood (1936), Macdonald (1963), Macdonald (1970), Rensberger (1971) and Wahlert and Souza (1988).
Synonymy list
Year | Name and author |
---|---|
1907 | Entoptychus formosus Matthew |
1936 | Gregorymys formosus Wood |
1963 | Gregorymys formosus Macdonald |
1970 | Gregorymys formosus Macdonald |
1971 | Gregorymys formosus Rensberger |
1988 | Gregorymys formosus Wahlert and Souza |
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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.
†Gregorymys formosus Matthew 1907
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
References: Hendy et al. 2009, Ji et al. 2002, Lillegraven 1979, Nowak 1999, Carroll 1988 |
Age range: base of the Monroecreekian to the top of the Harrisonian or 26.30000 to 20.43000 Ma
Collections (14 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Monroecreekian | USA (South Dakota) | Gregorymys formosus (17550 17556 17557 17559 17561 17562 17564) | |
Monroecreekian | USA (Nebraska) | Gregorymys formosus (67637) | |
Harrisonian | USA (South Dakota) | Gregorymys formosus (type locality: 17457 17756 17828) | |
Harrisonian | USA (Nebraska) | Gregorymys formosus (17802 17843) | |
Harrisonian | USA (Wyoming) | Gregorymys formosus (17794) |