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Exocrinus

Crinoidea

Taxonomy
Exocrinus was named by Strimple (1949) [Sepkoski's age data: C Bash P Sakm]. It is not extant. It is the type genus of Exocrinidae.

It was assigned to Cladida by Sepkoski (2002); to Exocrinidae by Ubaghs et al. (1978), Pabian and Rushlau (2002); and to Articuliformes by Wright (2017).

Species
E. moorei, E. multirami
Species lacking formal opinion data
E. wanni

Synonymy list
YearName and author
1949Exocrinus Strimple
1978Exocrinus Ubaghs et al. p. T745
2002Exocrinus Pabian and Rushlau p. 40
2002Exocrinus Sepkoski
2017Exocrinus Wright

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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)
—Eucladida
—ArticuliformesWright 2017
genusExocrinusStrimple 1949

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. †Exocrinus Strimple 1949
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†Exocrinus moorei Lane and Webster 1966
†Exocrinus multirami Strimple 1949
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 Missourian to the top of the Rusavkinian or 306.00000 to 287.60000 Ma

Collections (20 total)


Time interval Ma Country or state Original ID and collection number
Missourian306.0 - 303.7USA (Oklahoma) E. multirami (216601) E. sp. (72367 72373 72374 72385)
Missourian306.0 - 303.7USA (Illinois) E. wanni (51191)
Missourian306.0 - 303.7USA (Nebraska) E. sp. (44411)
Missourian306.0 - 303.7USA (Kansas) E. sp. (72366 72372 72375 72376 72377 72379 72380 72383)
Rusavkinian303.7 - 287.6USA (Iowa) E. multirami (124436)
Rusavkinian303.7 - 287.6USA (Nebraska) E. multirami (124407)
Artinskian290.1 - 283.3USA (Nevada) E. moorei (90756 90757) Marathonocrinus moorei (74742)