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Tribrachyocrinus clarkei

Crinoidea

Taxonomy
Tribrachyocrinus clarkii was named by M'Coy (1847). It is a 3D body fossil. Its type locality is Darlington (W.B. Clarke coll), which is in a Wordian marine siliciclastic in the Mulbring Formation of Australia. It is the type species of Tribrachyocrinus.

It was corrected as Tribrachyocrinus clarkei by Willink (1979), Arendt (1981).

Synonymy list
YearName and author
1847Tribrachyocrinus clarkii M'Coy p. 228 figs. Pl 21, fig 2
1847Tribrachyocrinus clarkii McCoy p. 228 figs. Pl 21, fig 2
1892Tribrachiocrinus clarkei Etheridge Jr. p. 90 figs. Pl 13, figs 2-4; pl 14, fig 3; pl 15, figs 6-8; pl 17, figs 2-4
1910Tribrachyocrinus clarkii Laseron p. 198
1979Tribrachyocrinus clarkei Willink p. 151 figs. Pl 1, figs 1-18
1981Tribrachyocrinus clarkei Arendt p. 15 figs. 4a-g,e,zh,k,s

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumBlastozoa
classCrinoideaMiller 1821
RankNameAuthor
subclassPentacrinoideaJaekel 1918
infraclassInadunata(Wachsmuth and Springer 1897)
Cladida(Moore and Laudon 1943)
Eucladida
ArticuliformesWright 2017
genusTribrachyocrinus
speciesclarkei()

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: 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 13:50:31
Source: subc = subclass, c = class, p = phylum
References: Hendy et al. 2009, Aberhan 1992, Kiessling 2004

Age range: base of the Roadian to the top of the Wordian or 274.40000 to 264.28000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Roadian274.4 - 266.9Australia (New South Wales) Tribrachyocrinus clarkii (161842)
Wordian266.9 - 264.28Australia (New South Wales) Tribrachyocrinus clarkei (87197) Tribrachyocrinus clarkii (133343)