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Sinclairocystis praedicta

Paracrinoidea - Comarocystitida - Comarocystitidae

Taxonomy
Sinclairocystis praedicta was named by Bassler (1950). It is a 3D body fossil. Its type locality is Oklahoma Highway 18 roadcut, 1.8 miles south of Sulphur, which is in a Blackriveran marine sandstone/shale in the Bromide Formation of Oklahoma. It is the type species of Sinclairocystis.

Synonyms
Synonymy list
YearName and author
1950Sinclairocystis praedicta Bassler pp. 275 - 276 figs. figs. 9, 10; p. 276.
1952Sinclairocystis angulatus Strimple pp. 158 - 160 figs. 5-9
1952Sinclairocystis sulphurensis Strimple pp. 159 - 160 figs. 1-4
1975Sinclairocystis praedicta Parsley and Mintz p. 43 figs. PI. 3, figs. 1-12

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumBlastozoa
classParacrinoideaRegnell 1945
orderComarocystitidaParsley and Mintz 1975
familyComarocystitidae(Bather 1899)
genusSinclairocystis
speciespraedicta

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.

Sinclairocystis praedicta Bassler 1950
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Invalid names: Sinclairocystis angulatus Strimple 1952 [synonym], Sinclairocystis sulphurensis Strimple 1952 [synonym]
Diagnosis
ReferenceDiagnosis
R. L. Parsley and L. W. Mintz 1975Theca subspheroidal to nearly fusiform; nearly circular to broadly oval in cross section; composed of c. 37 generally hexagonal, externally concave plates; plates with slitlike subepistereomal sutural pores. Two recumbent, uniserial arms extend transversely from the peristome and both extend nearly to, or onto the basals. Peristome transversely oval, subapical; gonopore on its posterior lip; hydropore slitlike, juxtaposed to the right.
Measurements
No measurements are available
Composition: high Mg calcitep
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: stationaryc
Life habit: epifaunalc
Diet: suspension feederc
Vision: blindc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-29 11:34:01
Modified: 2010-02-15 03:08:24
Source: c = class, p = phylum
References: Aberhan 1992, Aberhan et al. 2004

Age range: Blackriveran or 460.90000 to 449.50000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Blackriveran460.9 - 449.5USA (Oklahoma) Sinclairocystis praedicta (37909 type locality: 164465 197203) Sinclairocystis praedicta, Sinclairocystis angulatus, Sinclairocystis sulphurensis (24095)