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Embryocrinus variabilis

Crinoidea - Cyathocrinida - Codiacrinidae

Taxonomy
Embryocrinus variabilis was named by Arendt (1970). Its type specimen is PIN 1785/6658, a calyx, and it is a 3D body fossil. Its type locality is Zakamenka, Boets Village, Kolva River, which is in an Artinskian marine horizon in the Boets Formation of the Russian Federation.

Synonymy list
YearName and author
1970Embryocrinus variabilis Arendt p. 151 figs. Pl 7, figs 7-10; pl 8, figs 1-13; text-fig 39
1979Embryocrinus variabilis Lane p. 129 figs. Pl 1, figs 1,2

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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
superorderCyathoformes
orderCyathocrinida(Bather 1899)
superfamilyCodiacrinoideaBather 1890
familyCodiacrinidaeBather 1890
genusEmbryocrinusWanner 1916
speciesvariabilis

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.

†Embryocrinus variabilis Arendt 1970
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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: 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 Artinskian to the top of the Wordian or 290.10000 to 264.28000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Artinskian290.1 - 283.3Russian Federation Embryocrinus variabilis (101527 101531 type locality: 101532)
Wordian266.9 - 264.28Tunisia (Madanin) Embryocrinus variabilis (41975)