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Orenburgia enigmaticus
Taxonomy
Tichvinskia enigmatica was named by Chudinov and Vjushkov (1956). Its type specimen is PIN 1043/1, a mandible (damaged left dentary), and it is a 3D body fossil. Its type locality is Lipovskaya gully (Donskaya Luka), which is in an Olenekian terrestrial horizon in the Lipovskaya Formation of the Russian Federation.
It was recombined as Orenburgia enigmaticus by Spencer and Benton (2000); it was recombined as Orenburgia enigmatica by Ivakhnenko (1975), Ivakhnenko (1976), Novikov (1991), Ivakhnenko (2008).
It was recombined as Orenburgia enigmaticus by Spencer and Benton (2000); it was recombined as Orenburgia enigmatica by Ivakhnenko (1975), Ivakhnenko (1976), Novikov (1991), Ivakhnenko (2008).
Synonymy list
| Year | Name and author |
|---|---|
| 1956 | Tichvinskia enigmatica Chudinov and Vjushkov p. 549 fig. 4 |
| 1975 | Orenburgia enigmatica Ivakhnenko p. 92 |
| 1976 | Orenburgia enigmatica Ivakhnenko p. 89 |
| 1991 | Orenburgia enigmatica Novikov pp. 74, 76 figs. 2a, b |
| 2000 | Orenburgia enigmaticus Spencer and Benton p. 171 figs. 9.10A, B |
| 2008 | Orenburgia enigmatica 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.
†Orenburgia enigmaticus Chudinov and Vjushkov 1956
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. K. Chudinov and B. P. Vjushkov 1956 | Translated [7 teeth in lower jaw. No. 1 and 2 large and almost round in cross section. Tooth no. 3 is considerably smaller, transversally expanded and double-tipped. tooth no. 4 is the largest, with a base diameter equal to the second one. Teeth 5-7 successively smaller. Branches of the lower jaw form an angle of about 78-79°.] | |
| I. V. Novikov 1991 | Translated: [Maximum height of dentary (on a level with fifth molariform) is three times higher than the largest (the second one) molariform. Relatively few molariforms.] |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Carroll 1988, Hendy et al. 2009 | |||||