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Prognathodon overtoni
Taxonomy
Brachysaurus overtoni was named by Williston (1897). It is a 3D body fossil. Its type locality is Cheyenne River in Custer County, which is in a Campanian marine shale in the Pierre Shale Formation of South Dakota. It is the type species of Ancylocentrum.
It was recombined as Ancylocentrum overtoni by Schmidt (1927) and Hay (1930); it was recombined as Prognathodon overtoni by Russell (1967), Konishi et al. (2011), Fanti et al. (2014) and Driscoll et al. (2019).
It was recombined as Ancylocentrum overtoni by Schmidt (1927) and Hay (1930); it was recombined as Prognathodon overtoni by Russell (1967), Konishi et al. (2011), Fanti et al. (2014) and Driscoll et al. (2019).
Synonymy list
| Year | Name and author |
|---|---|
| 1897 | Brachysaurus overtoni Williston p. 96 figs. Pl. 8 |
| 1902 | Brachysaurus overtoni Hay p. 471 |
| 1927 | Ancylocentrum overtoni Schmidt p. 59 |
| 1930 | Ancylocentrum overtoni Hay p. 261 |
| 1967 | Prognathodon overtoni Russell p. 165 |
| 2011 | Prognathodon overtoni Konishi et al. p. 1029 |
| 2014 | Prognathodon overtoni Fanti et al. |
| 2019 | Prognathodon overtoni Driscoll et al. |
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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.
†Prognathodon overtoni Williston 1897
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. A. Russell 1967 | "No tuberosity on anteromedial edge of quadrate shaft, suprastapedial process not constricted dorsally. Chevrons fused to caudal centra. Pectoral crest of humerus small, anteriorly located." |