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Protenodontosaurus
Taxonomy
Protenodontosaurus was named by Pinna (1990) [Sepkoski's age data: Tr Carn]. Its type is Protenodontosaurus italicus.
It was assigned to Protenodontosauridae by Rieppel (2000); to Placochelyida by Rieppel (2001); and to Placodontia by Sepkoski (2002).
It was assigned to Protenodontosauridae by Rieppel (2000); to Placochelyida by Rieppel (2001); and to Placodontia by Sepkoski (2002).
Species
P. italicus (type species)
Synonymy list
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| O. Rieppel 2001 | Single (posterior) maxillary tooth, separated by a wide diastema from premaxillary tooth (teeth?); maxilla almost as high as it is long in lateral view because of distinct ascending process; prefrontal not extending far down along the anterior margin of the orbit; orbital margin of frontal rather straight, postorbital not extending beyond the midpoint of the upper temporal fossa along its lateral margin; vomers much enlarged and reaching far anteriorly into rostrum; exoccipitals meet dorsal to the occipital condyle (convergent in Cyamodus); basioccipital tuber and ventral flange of opisthotic meeting each other ventral to the passage of the internal carotid, and meeting the posterior margin of the basicranium (convergent in Placochelys). |
Measurements
No measurements are available
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| Source: subo = suborder, c = class, subp = subphylum | |||||
| References: Bush and Bambach 2015, Hendy et al. 2009, Carroll 1988 | |||||