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Oligobrachyocrinus bifidus
Taxonomy
Oligobrachyocrinus bifidus was named by Arendt (1981). Its type specimen is PIN 1786/9309, a calyx, and it is a 3D body fossil. Its type locality is Peshcherny rock, Ufa river, Krasnoufimsk, which is in an Artinskian marine horizon in the Div'ya Formation of the Russian Federation. It is the type species of Oligobrachyocrinus.
Synonymy list
| Year | Name and author |
|---|---|
| 1981 | Oligobrachyocrinus bifidus Arendt p. 93 figs. Pl 31, figs 1,2; text-fig 23a-i,r,s |
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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.
†Oligobrachyocrinus bifidus Arendt 1981
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class, p = phylum | |||||
| References: Kiessling 2004, Hendy et al. 2009, Aberhan 1992 | |||||
Age range: Artinskian or 290.10000 to 283.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | Russian Federation | Oligobrachyocrinus bifidus (type locality: 101527) |