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Llanocystis wilbernsensis

Eocrinoidea

Taxonomy
Llanocystis wilbernsensis was named by Zamora et al. (2015) [Attached one-piece holdfasts that probably belong to this eocrinoid were briefly described by Spincer (1996)]. Its type specimen is USNM 178555, a calyx (most of the animal), and it is a 3D body fossil. Its type locality is Long Valley, which is in a Sunwaptan shallow subtidal limestone/siltstone in the Wilberns Formation of Texas.

Synonymy list
YearName and author
2015Llanocystis wilbernsensis Zamora et al. pp. 190 - 193 figs. 2 - 3

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
RankNameAuthor
phylumEchinodermata
subphylumBlastozoa
classEocrinoideaJaekel 1918
genusLlanocystis
specieswilbernsensis

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.

Llanocystis wilbernsensis Zamora et al. 2015
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Diagnosis
ReferenceDiagnosis
S. Zamora et al. 2015Polyplated oval theca composed of small, tessellate, polygonal plates; plates uniform in size except those connecting with stem that are slightly larger; apparently four stout, biserial appendages arising from oral surface; epispires scattered, small; long heteromorphic stem formed from thick and thin columnals that may end in a distal holdfast.
Measurements
No measurements are available
Composition: high Mg calcitep
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: stationaryc
Attached: yesc
Life habit: epifaunalc
Diet: suspension feederc
Vision: blindc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-29 10:44:55
Modified: 2010-02-11 00:40:17
Source: c = class, p = phylum
References: Aberhan et al. 2004, Aberhan 1992

Age range: Sunwaptan or 493.50000 to 488.90000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Sunwaptan493.5 - 488.9USA (Texas) Llanocystis wilbernsensis (type locality: 168563)