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Hesperotestudo orthopygia
Taxonomy
Xerobates orthopygius was named by Cope (1878).
It was recombined as Testudo orthopygia by Cope (1878), Hay (1902) and Hay (1930); it was recombined as Testudo (Hesperotestudo) orthopygia by Williams (1953); it was recombined as Geochelone (Hesperotestudo) orthopygia by Auffenberg (1962) and Auffenberg (1963); it was recombined as Geochelone orthopygia by Estes and Tihen (1964), Holman (1973) and Holman and Sullivan (1981); it was recombined as Hesperotestudo orthopygia by Vlachos (2018).
It was recombined as Testudo orthopygia by Cope (1878), Hay (1902) and Hay (1930); it was recombined as Testudo (Hesperotestudo) orthopygia by Williams (1953); it was recombined as Geochelone (Hesperotestudo) orthopygia by Auffenberg (1962) and Auffenberg (1963); it was recombined as Geochelone orthopygia by Estes and Tihen (1964), Holman (1973) and Holman and Sullivan (1981); it was recombined as Hesperotestudo orthopygia by Vlachos (2018).
Synonyms
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Synonymy list
Year | Name and author |
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1878 | Testudo orthopygia Cope |
1878 | Xerobates orthopygius Cope p. 393 |
1878 | Xerobates cyclopygius Cope p. 394 |
1902 | Testudo cyclopygia Hay p. 451 |
1902 | Testudo orthopygia Hay p. 451 |
1930 | Testudo orthopygia Hay p. 104 |
1952 | Testudo rexroadensis Oelrich |
1953 | Testudo (Hesperotestudo) orthopygia Williams p. 548 |
1962 | Geochelone (Hesperotestudo) orthopygia Auffenberg p. 632 |
1963 | Geochelone (Hesperotestudo) orthopygia Auffenberg p. 89 |
1963 | Geochelone (Caudochelys) rexroadensis Auffenberg p. 93 |
1964 | Geochelone orthopygia Estes and Tihen p. 464 |
1973 | Geochelone orthopygia Holman p. 151 |
1973 | Geochelone nordensis Holman p. 154 |
1981 | Geochelone orthopygia Holman and Sullivan p. 140 |
2018 | Hesperotestudo orthopygia Vlachos |
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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.
†Hesperotestudo orthopygia Cope 1878
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Invalid names: Geochelone nordensis Holman 1973 [synonym], Testudo rexroadensis Oelrich 1952 [synonym], Xerobates cyclopygius Cope 1878 [synonym]
Diagnosis
Reference | Diagnosis | |
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E. Vlachos 2018 | Hesperotestudo orthopygia can be diagnosed as a member of Hesperotestudo based on the characters listed above. Hesperotestudo orthopygia differs from Hesperotestudo osborniana by its taller and shorter skull, frontals medially shorter than prefrontals, longer crista supraoccipitalis, larger dentary angle, usually seven neurals, longer pectorals medially, and deeper anal notch and from Hesperotestudo gilbertii by the frontals medially shorter than prefrontals, the contact between the parietal and the squamosal, the clear contact between the jugal and quadratojugal, and the short vomer that only contacts the anterior part of pterygoids. |
Measurements
No measurements are available
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Source: f = family, c = class, subp = subphylum | |||||
References: Ernst and Barbour 1989, Hendy et al. 2009, Carroll 1988 |
Age range: base of the Barstovian to the top of the Early/Lower Pliocene or 15.97000 to 3.60000 Ma
Collections (12 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Barstovian | USA (Nebraska) | Geochelone nordensis (18223 18284) | |
Clarendonian | USA (Nebraska) | Hesperotestudo orthopygia (188779) Testudinidae indet. (18324) | |
Late/Upper Miocene - Early/Lower Pliocene | USA (California) | Hesperotestudo orthopygia (183467 183468 183469 183470 183471) | |
Pliocene | USA (California) | Hesperotestudo orthopygia (67489) | |
Blancan | USA (Kansas) | Testudo rexroadensis (19936 19940) |