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Cyrtocrinus

Crinoidea - Cyrtocrinida - Sclerocrinidae

Taxonomy
Cyrtocrinus was named by Jeakel (1892) [Sepkoski's age data: J Oxfo K Vala]. It is not extant. Its type is Eugeniacrinites nutans.

It was assigned to Melocrinitacea by Ubaghs et al. (1978); to Cyrtocrinida by Sepkoski (2002); and to Sclerocrinidae by Salamon (2009), Hess and Messing (2011) and Hess (2012).

Synonymy list
YearName and author
1892Cyrtocrinus Jeakel
1978Cyrtocrinus Ubaghs et al. p. T492
2002Cyrtocrinus Sepkoski
2009Cyrtocrinus Salamon p. 82
2011Cyrtocrinus Hess and Messing p. 188
2012Cyrtocrinus Hess p. 234

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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
infraorderArticulata(Miller 1821)
orderCyrtocrinidaSieverts-Doreck 1953
suborderCyrtocrininaSieverts-Doreck 1952
superfamilyEugeniacrinitoidea(Roemer 1855)
familySclerocrinidaeJaekel 1918
genusCyrtocrinusJeakel 1892

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. †Cyrtocrinus Jeakel 1892
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†Cyrtocrinus nutans Goldfuss 1829
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: stationaryo
Attached: yessubc
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-28 16:27:36
Modified: 2004-02-28 18:27:36
Source: o = order, subc = subclass, c = class, p = phylum
References: Aberhan et al. 2004, Kiessling 2004, Hendy et al. 2009, Aberhan 1992

Age range: base of the Callovian to the top of the Early/Lower Callovian or 166.10000 to 161.20000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Bajocian - Early/Lower Bathonian171.6 - 164.7France (Auvergne-Rhône-Alpes) C. praenutans (225718)
Early/Lower Bathonian167.7 - 164.7France (Auvergne-Rhône-Alpes) C. praenutans (225715 225720)
Callovian - Oxfordian166.1 - 157.3Ukraine C. nutans (67868)
Early/Lower Callovian164.7 - 161.2France (Auvergne-Rhône-Alpes) C. praenutans (225719)
Early/Lower Callovian164.7 - 161.2France (Rhone-Alpes) C. nutans (114540)