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Setosinella
Taxonomy
Setosinella was named by Canu and Bassler (1933) [Sepkoski's age data: T Than Sepkoski's reference number: 1066]. Its type is Setosinella prolifica.
It was assigned to Setosellidae by Bassler (1953); to Cheilostomata by Sepkoski (2002); and to Pyrisinellidae by Gordon (2012), Di Martino and Taylor (2012).
It was assigned to Setosellidae by Bassler (1953); to Cheilostomata by Sepkoski (2002); and to Pyrisinellidae by Gordon (2012), Di Martino and Taylor (2012).
Species
Entered
by J. Sepkoski on 2003-01-23; modified by M. Clapham on 2020-09-16
Synonymy list
| Year | Name and author |
|---|---|
| 1933 | Setosinella Canu and Bassler |
| 1953 | Setosinella Bassler p. G174 |
| 2002 | Setosinella Sepkoski |
| 2012 | Setosinella Di Martino and Taylor |
| 2012 | Setosinella Gordon p. 3 |
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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. †Setosinella Canu and Bassler 1933
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†Setosinella orbiculata Canu and Bassler 1920
†Setosinella perfluxa Di Martino and Taylor 2012
†Setosinella prolifica Canu and Bassler 1933
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. Di Martino and P. D. Taylor 2012 | Colony encrusting, multiserial, unilaminar. Autozooids small, distinct, rounded polygonal or oval, longer than broad, separated by deep furrows. Gymnocyst convex, narrow, best developed proximally. Cryptocyst extensively developed, depressed and flat, finely granular, bounded by a salient mural rim, forming
pear-shaped ridge together with distal rim of opesia, perforated by two small circular or reniform lateral opesiules situated about midway along cryptocyst. Opesia semicircular. Oral spines present, variable in number. Ovicell hyperstomial, globular, prominent and smooth, resting on proximal gymnocyst of distal zooid and indented its mural rim. Avicularia interzooidal, vicarious or absent. Pore chambers placed distally and distolaterally; pore windows oval. Ancestrula having the appearance of a small astogenetically mature autozooid but with a different number of spines, budding a single autozooid in a distal location. First generation of zooids transitional in size between ancestrula and astogenetically mature zooids |