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Metacoceras kruglovi
Taxonomy
Metacoceras kruglovi was named by Ruzhentsev and Shimanskiy (1954). Its type specimen is PIN 626/55, a shell, and it 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 |
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1954 | Metacoceras kruglovi Ruzhentsev and Shimanskiy p. 63 figs. Pl 5, fig 4 |
2020 | Metacoceras kruglovi Shchedukhin and Leonova p. 1139 figs. Pl 12, fig 3; text-fig 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 kruglovi Ruzhentsev and Shimanskiy 1954
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 2 | 27.4 | 23.8 | 31.5 | 27.6 | 5.44 | |
shell diameter | 2 | 71.9 | 57.5 | 90.0 | 73.8 | 23.0 | |
shell inflation | 2 | 28.1 | 21.0 | 37.5 | 29.2 | 11.7 |
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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 (Bashkortostan) | Metacoceras kruglovi (217205) | |
Artinskian | Russian Federation | Metacoceras kruglovi (type locality: 116795 116796) |