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Oligobrachyocrinus bifidus

Crinoidea - Cyathocrinida - Oligobrachyocrinidae

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
YearName and author
1981Oligobrachyocrinus bifidus Arendt p. 93 figs. Pl 31, figs 1,2; text-fig 23a-i,r,s

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumBlastozoa
classCrinoideaMiller 1821
subclassPentacrinoideaJaekel 1918
RankNameAuthor
infraclassInadunata(Wachsmuth and Springer 1897)
Cladida(Moore and Laudon 1943)
Eucladida
superorderCyathoformes
orderCyathocrinida(Bather 1899)
superfamilyCodiacrinoideaBather 1890
familyOligobrachyocrinidae
genusOligobrachyocrinus
speciesbifidus

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.

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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: stationarysubc
Attached: yessubc
Life habit: intermediate-level epifaunalsubc
Diet: suspension feedersubc
Vision: blindc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2009-10-09 11:50:31
Modified: 2009-10-09 13:50:31
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
Artinskian290.1 - 283.3Russian Federation Oligobrachyocrinus bifidus (type locality: 101527)