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Cremacrinus inaequalis

Crinoidea - Calceocrinida - Calceocrinidae

Taxonomy
Cremacrinus inaequalis was named by Billings (1859). Its type specimen is GSC 1444, a calyx, and it is a 3D body fossil.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1859Cremacrinus inaequalis Billings

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumBlastozoa
classCrinoideaMiller 1821
RankNameAuthor
subclassPentacrinoideaJaekel 1918
infraclassInadunata(Wachsmuth and Springer 1897)
superorderDisparida(Moore and Laudon 1943)
orderCalceocrinida
familyCalceocrinidaeMeek and Worthen 1869
genusCremacrinusUlrich 1886
speciesinaequalisBillings 1859

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.

Cremacrinus inaequalis Billings 1859
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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: 2004-02-28 16:34:13
Modified: 2009-10-09 13:33:22
Source: subc = subclass, c = class, p = phylum
References: Kiessling 2004, Aberhan et al. 2004, Aberhan 1992

Age range: Katian or 453.00000 to 445.20000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Katian453.0 - 445.2Canada (Ontario) Cremacrinus inaequalis (192275 192278) Heterocrinus inaequalis (180117)