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Cromyocrinus

Crinoidea

Taxonomy
Cromyocrinus was named by Trautschold (1867) [Sepkoski's age data: C Vise-l C Mosc-u Sepkoski's reference number: 257,1056]. It is not extant. It is the type genus of Cromyocrinidae, Cromyocrinacea.

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

Species
C. grandis
Species lacking formal opinion data
C. geminatus, C. sangamonensis

Synonymy list
YearName and author
1867Cromyocrinus Trautschold
1978Cromyocrinus Ubaghs et al. p. T693
2002Cromyocrinus Sepkoski
2017Cromyocrinus 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
genusCromyocrinusTrautschold 1867

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. †Cromyocrinus Trautschold 1867
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†Cromyocrinus grandis Mather 1915
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: Hendy et al. 2009, Kiessling 2004, Aberhan 1992

Age range: base of the Morrowan to the top of the Moscovian or 323.40000 to 307.00000 Ma

Collections (11 total)


Time interval Ma Country or state Original ID and collection number
Morrowan323.4 - 318.6USA (Texas) C. grandis (90767)
Morrowan323.4 - 318.6USA (Oklahoma) C. grandis (90795 128973 128976)
Morrowan323.4 - 318.6USA (Arkansas) C. grandis (90791)
Moscovian315.2 - 307.0USA (Oklahoma) C. sp. (90784)
Moscovian315.2 - 307.0USA (Arizona) C. sp. (90772)
Moscovian315.2 - 307.0Canada (Nunavut) C. sp. (90769)
Moscovian315.2 - 307.0China C. sp. (90770)
Moscovian315.2 - 307.0Russian Federation C. geminatus (132707)
Desmoinesian312.8 - 306.0USA (Arizona) C. sp. (90775)