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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Opisthodontosaurus carrolli
Taxonomy
Opisthodontosaurus carrolli was named by Reisz et al. (2015). Its type specimen is OMNH 77469, a partial skull (partial skull and mandible), and it is a 3D body fossil. Its type locality is Richards Spur, which is in an Artinskian fissure fill claystone/conglomerate in Oklahoma. It is the type species of Opisthodontosaurus.
Synonymy list
| Year | Name and author |
|---|---|
| 2015 | Opisthodontosaurus carrolli Reisz et al. p. 2/12 figs. 1-4 |
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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.
†Opisthodontosaurus carrolli Reisz et al. 2015
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. R. Reisz et al. 2015 | "Small captorhinid eureptile characterized by the following autapomorphies: maxillary and dentary tooth bases are circular and bulbous, three enlarged teeth present on the maxilla, one in the anterior and two in the posterior region; largest dentary tooth is present along the posterior half of the bone; and number of teeth fewer than ten on the maxilla and fewer than 14 on the dentary. The dentary is characterized by the presence of a large well-developed coronoid process and deep lateral excavation in the posterior one quarter of the bone. Prearticular with a large, hooked pterygoideus process." |
Measurements
No measurements are available
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| Source: f = family | |||||
| Reference: Kissel et al. 2002 | |||||
Age range: Artinskian or 290.10000 to 279.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | USA (Oklahoma) | Opisthodontosaurus carrolli, Euryodus primus (type locality: 67862) |