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Reiszorhinus olsoni
Taxonomy
Reiszorhinus olsoni was named by Sumida et al. (2010). Its type specimen is FMNH UC 183, a partial skull, and it is a 3D body fossil. Its type locality is Mitchell Creek, 29 (Waggoner Ranch Formation), which is in an Artinskian/Kungurian terrestrial limestone/shale in the Waggoner Ranch Formation of Texas. It is the type species of Reiszorhinus.
Synonymy list
| Year | Name and author |
|---|---|
| 2010 | Reiszorhinus olsoni Sumida et al. p. 705 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.
†Reiszorhinus olsoni Sumida et al. 2010
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. S. Sumida et al. 2010 | Relatively large captorhinid reptile with single row of recurved, labiolingually compressed maxillary and dentary teeth, and extremely large meckelian foramen on the lingual surface of the lower jaw, and relatively large splenial (approximately two-thirds the length of the mandible). Further distinguished from Romeria, Rhiodenticulatus, Protocaptorhinus, and Saurorictus by significantly greater size, presence of a postparietal-supratemporal contact, and a horn-like process of the supratemporal. Further distinguished from Saurorictus by its more robust teeth, more extremely recurved teeth, and retention of supratemporal. Further distinguished from Labidosaurus by having a relatively narrower skull table and lack of ‘heart-shaped outline’ in dorsal aspect. Further distinguished from more derived captorhinds by its primitive retention of a single rows of maxillary and dentary teeth. |
Measurements
No measurements are available
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| Source: f = family | |||||
| Reference: Kissel et al. 2002 | |||||
Age range: base of the Artinskian to the top of the Kungurian or 290.10000 to 272.30000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian - Kungurian | USA (Texas) | Labidosaurus sp. (type locality: 28250) Reiszorhinus olsoni (119428) |