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Chroniosaurus dongusensis
Taxonomy
Chroniosaurus dongusensis was named by Tverdochlebova (1972). Its type specimen is SGU, no. 104B/198, a skull, and it is a 3D body fossil. Its type locality is Donguz-6, PIN 3585, which is in a Severodvinian fluvial-lacustrine claystone/limestone in the Malokinelskaya Formation of the Russian Federation.
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1972 | Chroniosaurus dongusensis Carroll et al. p. 78 |
| 1972 | Chroniosaurus dongusensis Tverdochlebova |
| 1980 | Jugosuchus boreus Ivakhnenko |
| 1980 | Jugosuchus hartmanni Ivakhnenko |
| 1998 | Chroniosaurus dongusensis Golubev |
| 2000 | Chroniosaurus dongusensis Novikov et al. |
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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.
†Chroniosaurus dongusensis Tverdochlebova 1972
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Invalid names: Jugosuchus boreus Ivakhnenko 1980 [synonym], Jugosuchus hartmanni Ivakhnenko 1980 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Carroll 1988, Hendy et al. 2009 | |||||
Age range: Late/Upper Severodvinian or 264.28000 to 259.51000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Severodvinian | Russian Federation (Orenburg) | Chroniosaurus dongusensis (type locality: 93207 189501) | |
| Late/Upper Severodvinian | Russian Federation (Tatarstan) | Jugosuchus hartmanni (80712) | |
| Late/Upper Severodvinian | Russian Federation (Vologda) | Chroniosaurus dongusensis (187752 187928 189125 189507 233448) |