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Sinclairocystis praedicta
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
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Synonymy list
Year | Name and author |
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1950 | Sinclairocystis praedicta Bassler pp. 275 - 276 figs. figs. 9, 10; p. 276. |
1952 | Sinclairocystis angulatus Strimple pp. 158 - 160 figs. 5-9 |
1952 | Sinclairocystis sulphurensis Strimple pp. 159 - 160 figs. 1-4 |
1975 | Sinclairocystis praedicta Parsley and Mintz p. 43 figs. PI. 3, figs. 1-12 |
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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
Reference | Diagnosis | |
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R. L. Parsley and L. W. Mintz 1975 | Theca 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
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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 |
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Blackriveran | USA (Oklahoma) | Sinclairocystis praedicta (37909 type locality: 164465 197203) Sinclairocystis praedicta, Sinclairocystis angulatus, Sinclairocystis sulphurensis (24095) |