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Pentamerocrinus praematurus

Crinoidea - Pentamerocrinidae

Taxonomy
Pentamerocrinus praematurus was named by Jaekel (1918). It is not extant. Its type specimen is SGWC10114. Its type locality is Vaginatum specimen, which is in an Ordovician carbonate limestone in the Vaginatum Formation of the Russian Federation. It is the type species of Pentamerocrinus.

Synonymy list
YearName and author
1918Pentamerocrinus praematurus Jaekel
2016Pentamerocrinus praematurus Rozhnov p. 164

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumBlastozoa
RankNameAuthor
classCrinoideaMiller 1821
subclassPentacrinoideaJaekel 1918
infraclassInadunata(Wachsmuth and Springer 1897)
familyPentamerocrinidaeJaekel 1918
genusPentamerocrinusJaekel 1918
speciespraematurusJaekel 1918

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.

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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: stationaryc
Attached: yesc
Life habit: upper-level epifaunalc
Diet: suspension feederc
Vision: blindc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-28 12:31:37
Modified: 2010-02-10 07:13:41
Source: c = class, p = phylum
References: Kiessling 2004, Aberhan 1992

Age range: Middle Ordovician or 470.00000 to 458.40000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Middle Ordovician470.0 - 458.4Russian Federation Pentamerocrinus praematurus (type locality: 202060)