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Hadrianus majusculus
Taxonomy
Hadrianus majusculus was named by Hay (1904). Its type specimen is YPM 927 and is a 3D body fossil. Its type locality is Badlands near Gallina, which is in a Wasatchian terrestrial horizon in the San Jose Formation of New Mexico.
It was recombined as Testudo (Hadrianus) majusculus by Williams (1953); it was recombined as Geochelone (Manouria) majusculus by Auffenberg (1971).
It was recombined as Testudo (Hadrianus) majusculus by Williams (1953); it was recombined as Geochelone (Manouria) majusculus by Auffenberg (1971).
Synonymy list
Year | Name and author |
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1904 | Hadrianus majusculus Hay |
1930 | Hadrianus majusculus Hay p. 100 |
1953 | Testudo (Hadrianus) majusculus Williams p. 548 |
1971 | Geochelone (Manouria) majusculus Auffenberg p. 115 |
2015 | Hadrianus majusculus Lichtig and Lucas |
2018 | Hadrianus majusculus 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.
†Hadrianus majusculus Hay 1904
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Diagnosis
Reference | Diagnosis | |
---|---|---|
A. J. Lichtig and S. G. Lucas 2015 | A turtle of the genus Hadrianus with very high peripherals and pectoral scutes more than half as long along the midline as the abdominals. Further, the striated surface sculpture of this species is unique among the turtles of the San Jose Formation. | |
E. Vlachos 2018 | Hadrianus majusculus can be diagnosed as a member of Hadrianus based on the absence of an epiplastral lip and the gulars overlapping the anterior part of the entoplastron. Hadrianus majusculus differs from other Hadrianus in the presence of higher peripherals, a small entoplastron that is longer than wide, a posteriorly concave humero-pectoral sulcus on both sides, and a laterally concave and widely omega-shaped femoro-anal sulcus. |