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Kolymia angusta
Taxonomy
Kolymia angusta was named by Astaf'yeva (1988). Its type specimen is PIN 4150/48, a valve (Left valve), and it is a cast. Its type locality is Setan'ya Creek, Lower Menkechen subsuite, Southern Verkhoyan, which is in a Roadian marine siliciclastic in the Menkechen Formation of the Russian Federation.
Synonymy list
Year | Name and author |
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1988 | Kolymia angusta Astaf'yeva p. 23 figs. Pl 2, figs 3-5 |
1993 | Kolymia angusta Astafieva p. 114 figs. Pl 13, figs 3-5 |
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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.
†Kolymia angusta Astaf'yeva 1988
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | |||||
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valve height | 1 | 53.0 |
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Source: g = genus, subc = subclass, c = class | |||||
References: Eaton 1871, Aberhan et al. 2004 |
Age range: base of the Roadian to the top of the Capitanian or 272.30000 to 259.51000 Ma
Collections (3 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Roadian | Russian Federation | Kolymia angusta (type locality: 101646) | |
Roadian - Wordian | Russian Federation (Sakha) | Kolymia angusta (83162) | |
Capitanian | Russian Federation | Kolymia inoceramiformis (101662) |