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Hadrianus corsoni
Discussion
Type specimen not designated in 1871 report; later illustrated in LEIDY, J. 1873. Contributions to the Extinct Vertebrate Fauna of the Western Territories. Report of the U.S. Geological Survey of the Territories. F. V. Hayden, Geologist. Volume I
Taxonomy
Testudo corsoni was named by Leidy (1871). Its type specimen is ANSP 10050, a partial skeleton (plastron), and it is a 3D body fossil. Its type locality is Grizzly Buttes, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.
It was recombined as Hadrianus corsonii by Cope (1873), Cope (1875) and Cope (1877); it was recombined as Testudo (Hadrianus) corsoni by Williams (1953); it was recombined as Hadrianus corsoni by Cope (1882), Cope (1884), Hay (1902), Gilmore (1915), Hay (1930), Lichtig and Lucas (2015), Vlachos and Rabi (2018) and Vlachos (2018).
It was recombined as Hadrianus corsonii by Cope (1873), Cope (1875) and Cope (1877); it was recombined as Testudo (Hadrianus) corsoni by Williams (1953); it was recombined as Hadrianus corsoni by Cope (1882), Cope (1884), Hay (1902), Gilmore (1915), Hay (1930), Lichtig and Lucas (2015), Vlachos and Rabi (2018) and Vlachos (2018).
Synonyms
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Synonymy list
Year | Name and author |
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1871 | Hadrianus octonarius Cope p. 2 |
1871 | Hadrianus quadratus Cope p. 3 |
1871 | Hadrianus octonaria Cope p. 468 |
1871 | Hadrianus quadratus Cope p. 468 |
1871 | Testudo corsoni Leidy p. 154 |
1871 | Emys carteri Leidy p. 228 |
1872 | Hadrianus octonaria Cope p. 3 |
1872 | Testudo hadriana Cope p. 463 |
1873 | Hadrianus corsonii Cope |
1873 | Hadrianus octonarius Cope |
1873 | Testudo corsoni Leidy p. 132 |
1875 | Hadrianus corsonii Cope p. 36 |
1877 | Hadrianus corsonii Cope |
1878 | Hadrianus octonarius Osborn et al. |
1882 | Hadrianus corsoni Cope |
1882 | Hadrianus octonarius Cope |
1884 | Hadrianus corsoni Cope |
1884 | Hadrianus octonarius Cope |
1899 | Hadrianus octonarius Hay |
1902 | Hadrianus corsoni Hay p. 450 |
1902 | Hadrianus octonarius Hay p. 450 |
1908 | Hadrianus tumidus Hay p. 380 |
1915 | Hadrianus corsoni Gilmore p. 143 |
1915 | Hadrianus robustus Gilmore p. 146 |
1915 | Hadrianus utahensis Gilmore p. 146 |
1930 | Hadrianus corsoni Hay p. 100 |
1930 | Hadrianus robustus Hay p. 100 |
1930 | Hadrianus tumidus Hay p. 100 |
1930 | Hadrianus utahensis Hay p. 100 |
1953 | Testudo (Hadrianus) corsoni Williams p. 547 |
1953 | Testudo (Hesperotestudo) tumidus Williams p. 548 |
2015 | Hadrianus corsoni Lichtig and Lucas |
2018 | Hadrianus corsoni Vlachos |
2018 | Hadrianus corsoni Vlachos and Rabi p. 663 |
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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.
†Hadrianus corsoni Leidy 1871
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Invalid names: Emys carteri Leidy 1871 [synonym], Hadrianus octonarius Cope 1871 [synonym], Hadrianus robustus Gilmore 1915 [synonym], Hadrianus tumidus Hay 1908 [synonym], Hadrianus utahensis Gilmore 1915 [synonym], Testudo hadriana Cope 1872 [synonym]
Diagnosis
Reference | Diagnosis | |
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A. J. Lichtig and S. G. Lucas 2015 | "Based on (Hay 1908): A species of the genus Hadrianus with abdominal scutes barely posterior to the entoplastron. Abdominal scutes are less anteriorly elongated along the lateral edge than in H. majusculus. Pectoral scutes are less than half as wide as the abdominal scutes along the midline. Peripherals are lower dorsally than in H. majusculus" | |
E. Vlachos 2018 | Hadrianus corsoni can be diagnosed as a pan-testudinid and as belonging to Hadrianus based on the characters listed for those clades above. Hadrianus corsoni differs from other Hadrianus based on the presence of a large entoplastron that is wider than long and a nearly straight femoro-anal sulcus. |
Measurements
No measurements are available
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Source: g = genus, subo = suborder, subp = subphylum | |||||
References: Holroyd et al. 2001, Carroll 1988, Uetz 2005 |
Age range: base of the Wasatchian to the top of the Uintan or 55.80000 to 39.70000 Ma
Collections (10 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Wasatchian | USA (Colorado) | Hadrianus corsoni (15650) | |
Bridgerian | USA (Wyoming) | Hadrianus corsoni (206092) Hadrianus quadratus, Testudo hadriana (130809) Testudo corsoni (16228) Testudo corsoni, Emys carteri (128447) Testudo corsoni, Hadrianus octonarius (16211) | |
Bridgerian | USA (Colorado) | Hadrianus corsoni (16240) | |
Uintan | USA (Utah) | Hadrianus corsoni (185693) Hadrianus robustus (16589) Hadrianus utahensis (185689) |