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Orenburgia
Taxonomy
Orenburgia was named by Ivakhnenko (1975). It is not extant.
It was assigned to Procolophoninae by Ivakhnenko (1983), Novikov (1991), Spencer and Benton (2000); and to Procolophonidae by Ivakhnenko (1975), Carroll (1988), Ivakhnenko (2008).
It was assigned to Procolophoninae by Ivakhnenko (1983), Novikov (1991), Spencer and Benton (2000); and to Procolophonidae by Ivakhnenko (1975), Carroll (1988), Ivakhnenko (2008).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Orenburgia Ivakhnenko p. 92 |
| 1983 | Orenburgia Ivakhnenko p. 131 |
| 1988 | Orenburgia Carroll |
| 1991 | Orenburgia Novikov p. 74 |
| 1991 | Lestanshoria Novikov p. 82 |
| 1991 | Samaria Novikov p. 82 |
| 1992 | Insulophon Novikov p. 134 |
| 1992 | Insulophon Novikov and Orlov p. 134 |
| 2000 | Orenburgia Spencer and Benton p. 170 |
| 2008 | Insulophon Ivakhnenko |
| 2008 | Lestanshoria Ivakhnenko |
| 2008 | Orenburgia Ivakhnenko |
| 2008 | Samaria Ivakhnenko |
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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.
G. †Orenburgia Ivakhnenko 1975
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†Orenburgia bruma Ivakhnenko 1983
†Orenburgia concinna Ivakhnenko 1975
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Invalid names: Insulophon morachovskayae Novikov 1992 [synonym], Lestanshoria massiva Novikov 1991 [synonym]
†Orenburgia enigmaticus Chudinov and Vjushkov 1956
Invalid names: Insulophon Novikov 1992 [synonym], Lestanshoria Novikov 1991 [synonym], Samaria Novikov 1991 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| I. V. Novikov and A. N. Orlov 1992 (Insulophon) | Translated [Skull rounded-triangular, without sculpturing, woth concave lateral edges. Orbitae strongly expanded posteriorly. Malar arch slender, relatively long. Temporal notch large. Quadratojugals without lateral process. Palate longitudinally flattened, bearing four short tooth rows. Interpterygoidal vacuity narrow. Flange of pterygoid directed downwards by one third of the height of the skull. Pterygoid-quadrate margin of subtemporal window straight. Seven teeth on maxillary, of which at least the four posteriormost ones are molariforms. Dentary low, bearing at least four, relatively small molariforms whose height decrease successively posteriorly. Crowns of the latter ones are slightly expanded transversally. Greatest width is at half level of half of the tooth's height. All teeth acrodont. Adductor fossa of mandible narrow. Coronoid process strongly lexpanded transversally. |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Carroll 1988 | |||||
Age range: Olenekian or 251.20000 to 247.20000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Olenekian | Russian Federation (Volgograd) | Tichvinskia enigmatica (27343) | |
| Olenekian | Russian Federation (Orenburg) | O. concinna (93201) | |
| Olenekian | Russian Federation (Arkhangelsk) | Insulophon morachovskayae (94236) O. bruma (93274) O. bruma, Lestanshoria massiva (93276) O. sp. (94243) |