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Tyrolecrinus

Crinoidea - Isocrinida - Isocrinidae

Taxonomy
Tyrolecrinus was named by Klikushin (1982) [Sepkoski's age data: Tr Anis Tr Carn]. Its type is Pentacrinus tyrolensis.

It was assigned to Isocrinida by Sepkoski (2002); and to Isocrininae by Stiller (2011), Hess and Messing (2011).

Species lacking formal opinion data

Synonymy list
YearName and author
1982Tyrolecrinus Klikushin p. 207
2002Tyrolecrinus Sepkoski
2011Tyrolecrinus Hess and Messing p. 56
2011Tyrolecrinus Stiller p. 1418

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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
subclassArticulata(Miller 1821)
orderIsocrinidaSieverts-Doreck 1952
suborderIsocrininaSieverts-Doreck 1952
familyIsocrinidaeGislén 1924
subfamilyIsocrininaeGislen 1924
genusTyrolecrinusKlikushin 1982

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. †Tyrolecrinus Klikushin 1982
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Tyrolecrinus separatus Mu and Wu 1974
Tyrolecrinus wugangi Stiller 2011
Diagnosis
ReferenceDiagnosis
F. Stiller 2011Stem of small diameter, pentalobate (subcircular to subpentagonal to pentalobate to subpentastellate), consisting of smooth columnals. Nodals about equal in size to internodals and bearing, generally at mid-height, five small to moderately sized, strongly deepened and laterally outwardly to obliquely downwardly directed cirrus sockets.
Noditaxes with generally less than 10 columnals. Articulations
between nodals and infranodals cryptosymplectial to synostosial. All other articular facets of columnals symplectial with drop- to lancet-like petal floors surrounded by distinct crenulae oriented radially to peripherally. (Based on Klikushin 1982, 1983, emended herein.)
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: stationaryf
Attached: yesf
Life habit: upper-level epifaunalf
Diet: suspension feederf
Vision: blindc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2014-09-12 15:03:18
Modified: 2014-09-12 15:03:18
Source: f = family, c = class, p = phylum
References: Aberhan 1992, Kiessling 2004, Donovan 1994

Age range: base of the Pelsonian to the top of the Julian or 244.24000 to 233.60000 Ma

Collections (15 total)


Time interval Ma Country or state Original ID and collection number
Pelsonian - Illyrian244.24 - 241.464China (Guizhou) T. tyrolensis (31620 31621 31622 31623 31624 31625 31626 31629)
Julian237.0 - 233.6Italy T. tyrolensis (163815)
Carnian237.0 - 227.3Hungary Pentacrinus tyrolensis (70800)
Carnian237.0 - 227.3China (Sichuan) T. sp., T. tyrolensis (192218)
Carnian237.0 - 227.3Slovenia T. hercuniae, T. sceptrum, T. tyrolensis (85175) T. hercuniae, T. scipio, T. tyrolensis (85173) T. sp., T. tyrolensis (85177)
Carnian237.0 - 227.3Italy T. candelabrum, T. tyrolensis (164191)