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Trionyx austerus
Taxonomy
Aspideretes austerus was named by Hay (1908). Its type specimen is AMNH 6068, a partial shell (the nuchal except the central portion, part of both first costals, the greater part of a right posterior costal, probably the sixth, various fragments of costal), and it is a 3D body fossil. Its type locality is west of Chaco Canyon, Ojo Alamo (AMNH), which is in a Campanian terrestrial shale/sandstone in the Kirtland Formation of New Mexico.
It was recombined as Aspideretoides austerus by Sullivan et al. (2012); it was recombined as Trionyx austerus by Vitek and Joyce (2015).
It was recombined as Aspideretoides austerus by Sullivan et al. (2012); it was recombined as Trionyx austerus by Vitek and Joyce (2015).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1908 | Aspideretes vorax Hay |
| 1908 | Aspideretes fontanus Hay p. 494 figs. Text-fig. 648 |
| 1908 | Aspideretes austerus Hay p. 495 figs. Text-figs. 649, 650 |
| 1908 | Aspideretes fontanus Hay p. 495=4 figs. TeTt-fig. 648 |
| 1908 | Aspideretes vorax Hay p. 496 figs. Text-fig. 651 |
| 1930 | Aspideretes austerus Hay p. 108 |
| 1930 | Aspideretes fontanus Hay p. 108 |
| 1930 | Aspideretes vorax Hay p. 110 |
| 2012 | Aspideretoides austerus Sullivan et al. p. 355–356 |
| 2015 | Trionyx austerus Vitek and Joyce |
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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.
†Trionyx austerus Hay 1908
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Invalid names: Aspideretes fontanus Hay 1908 [synonym], Aspideretes vorax Hay 1908 [synonym]
Diagnosis
No diagnoses are available