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Metacoceras orthogonium
Taxonomy
Metacoceras orthogonium was named by Ruzhentsev and Shimanskiy (1954). Its type specimen is PIN 626/59 and is a 3D body fossil. Its type locality is Belgushka River, 1.5 km N of Bogoslovka, which is in an Artinskian marine lime mudstone in the Russian Federation.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1954 | Metacoceras orthogonium Ruzhentsev and Shimanskiy p. 64 figs. Pl 4, figs 1,2 |
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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.
†Metacoceras orthogonium Ruzhentsev and Shimanskiy 1954
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 13.5 | 11.3 | 16.2 | 13.8 | 3.46 | |
| shell diameter | 2 | 31.0 | 26.0 | 37.0 | 31.5 | 7.78 | |
| shell inflation | 2 | 10.6 | 9.00 | 12.6 | 10.8 | 2.55 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Artinskian or 290.10000 to 279.30000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | Russian Federation | Metacoceras orthogonium (type locality: 116795 116796) | |
| Artinskian | Kazakhstan | Metacoceras orthogonium (102148) |