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Praetetracrinus inornatus

Crinoidea - Cyrtocrinida - Tetracrinidae

Taxonomy
Plicatocrinus inornatus was named by Simms (1989).

It was recombined as Praetetracrinus inornatus by Jäger (1995) and Hess and Thuy (2017).

Synonymy list
YearName and author
1989Plicatocrinus inornatus Simms
1995Praetetracrinus inornatus Jäger p. 21
2017Praetetracrinus inornatus Hess and Thuy

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumBlastozoa
classCrinoideaMiller 1821
subclassPentacrinoideaJaekel 1918
infraclassInadunata(Wachsmuth and Springer 1897)
RankNameAuthor
Cladida(Moore and Laudon 1943)
Eucladida
infraorderArticulata(Miller 1821)
orderCyrtocrinidaSieverts-Doreck 1953
suborderCyrtocrininaSieverts-Doreck 1952
superfamilyPlicatocrinoideaZittel 1879
familyTetracrinidaeJaeger 1995
genusPraetetracrinus
speciesinornatus(Simms 1989)

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: 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, Aberhan 1992, Hendy et al. 2009, Kiessling 2004

Age range: base of the Late/Upper Toarcian to the top of the Early/Lower Aalenian or 180.10000 to 171.60000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Pliensbachian - Early/Lower Aalenian189.6 - 171.6France Praetetracrinus inornatus (197653)
Middle Toarcian - Late/Upper Toarcian182.0 - 175.6Germany Praetetracrinus inornatus (139789)
Late/Upper Toarcian180.1 - 175.6Germany (Thüringen) Praetetracrinus inornatus (31988)
Early/Lower Aalenian175.6 - 171.6Germany (Bayern) Praetetracrinus inornatus (31989)