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Sinclairocystis
Taxonomy
Sinclairocystis was named by Bassler (1950) [Sepkoski's age data: O Cara-l O Ashg-m Sepkoski's reference number: 1066]. Its type is Sinclairocystis praedicta.
It was assigned to Comarocystitidae by Parsley and Mintz (1975); and to Comarocystitida by Sepkoski (2002).
It was assigned to Comarocystitidae by Parsley and Mintz (1975); and to Comarocystitida by Sepkoski (2002).
Species
S. praedicta (syn. S. sulphurensis, S. angulatus) (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1950 | Sinclairocystis Bassler |
| 1975 | Sinclairocystis Parsley and Mintz pp. 37 - 38 |
| 2002 | Sinclairocystis Sepkoski |
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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.
G. †Sinclairocystis Bassler 1950
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†Sinclairocystis praedicta Bassler 1950
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Invalid names: Sinclairocystis angulatus Strimple 1952 [synonym], Sinclairocystis sulphurensis Strimple 1952 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| 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 |