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Hypocrinus

Crinoidea - Cyathocrinida - Codiacrinidae

Taxonomy
Hypocrinus was named by Beyrich (1862) [Sepkoski's age data: P Guad-u]. It is not extant. Its type is Hypocrinus schneideri. It is the type genus of Hypocrinidae, Hypocrinacea, Hypocrininae.

It was assigned to Codiacrininae by Lane (1967); to Hypocrininae by Arendt (1970), Arendt (1981); to Cladida by Sepkoski (2002); and to Codiacrinidae by Webster and Webster (2012).

Synonymy list
YearName and author
1862Hypocrinus Beyrich
1967Hypocrinus Lane p. 11
1970Hypocrinus Arendt p. 119
1981Hypocrinus Arendt p. 87
2002Hypocrinus Sepkoski
2012Hypocrinus Webster and Webster p. 1319

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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)
superfamilyCodiacrinoidea(Bather 1890)
familyCodiacrinidaeBather 1890
genusHypocrinusBeyrich 1862

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. †Hypocrinus Beyrich 1862
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†Hypocrinus minimus Arendt 1970
†Hypocrinus schneideri Beyrich 1862
†Hypocrinus tschuvashovi Arendt and Vanin 1981
†Hypocrinus yakovlevi Arendt 1970
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 18:50:31
Source: subc = subclass, c = class, p = phylum
References: Kiessling 2004, Aberhan 1992, Hendy et al. 2009

Age range: base of the Asselian to the top of the Wuchiapingian or 298.90000 to 254.14000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Asselian298.9 - 293.52Russian Federation H. tschuvashovi (101533)
Artinskian290.1 - 283.3Russian Federation H. yakovlevi, H. minimus (101531)
Artinskian290.1 - 283.3Indonesia H. schneideri (118268)
Artinskian - Guadalupian290.1 - 259.51Indonesia (Timor) H. schneideri (205602)
Roadian - Wordian274.4 - 264.28Indonesia H. schneideri (39608 39610)
Wuchiapingian259.51 - 254.14Indonesia H. muelleri (132787) H. schneideri (132776)
Wuchiapingian259.51 - 254.14Indonesia (Timor) H. schneideri (223607)