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Oklahomacrinus

Crinoidea - Ampelocrinida - Ampelocrinidae

Taxonomy
Oklahomacrinus was named by Moore (1939) [Sepkoski's age data: C Mosc-l C Step-u]. It is not extant. Its type is Oklahomacrinus supinus.

It was assigned to Cymbiocrinidae by Ubaghs et al. (1978); to Cladida by Sepkoski (2002); to Aesiocrinidae by Webster and Lane (2007); and to Ampelocrinidae by Webster and Donovan (2015).

Species
O. expansus, O. supinus (type species), O. triangulus
Species lacking formal opinion data
O. canyonensis, O. ellesmerensis

Synonymy list
YearName and author
1939Oklahomacrinus Moore
1978Oklahomacrinus Ubaghs et al. p. T741
2002Oklahomacrinus Sepkoski
2007Oklahomacrinus Webster and Lane p. 961
2015Oklahomacrinus Webster and Donovan p. 519

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumBlastozoa
RankNameAuthor
classCrinoideaMiller 1821
subclassPentacrinoideaJaekel 1918
infraclassInadunata(Wachsmuth and Springer 1897)
—Cladida(Moore and Laudon 1943)
orderAmpelocrinida
familyAmpelocrinidaeKirk 1942
genusOklahomacrinusMoore 1939

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.

G. †Oklahomacrinus Moore 1939
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†Oklahomacrinus expansus Wanner 1916
†Oklahomacrinus supinus Moore 1939
†Oklahomacrinus triangulus Webster and Lane 2007
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: base of the Bashkirian to the top of the Artinskian or 323.20000 to 279.30000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Bashkirian323.2 - 315.2USA (Oklahoma) O. frostae (90799)
Moscovian315.2 - 307.0Canada (Nunavut) O. canyonensis (90769) O. ellesmerensis (62696)
Artinskian290.1 - 279.3USA (Nevada) O. triangulus (90757)