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Spirocyathella
Taxonomy
Spirocyathella was named by Vologdin (1939). It is not extant.
It was synonymized subjectively with Paranacyathus by Okulitch (1950).
It was assigned to Archaeocyathida by Wrona and Zhuravlev (1996); and to Archaeopharetridae by Debrenne et al. (2015).
It was synonymized subjectively with Paranacyathus by Okulitch (1950).
It was assigned to Archaeocyathida by Wrona and Zhuravlev (1996); and to Archaeopharetridae by Debrenne et al. (2015).
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1939 | Spirocyathella Vologdin |
| 1980 | Aruntacyathus Kruse and West |
| 1991 | Aruntacyathus Kennard |
| 1996 | Spirocyathella Wrona and Zhuravlev p. 28 |
| 2015 | Spirocyathella Debrenne et al. p. 1055 |
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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. †Spirocyathella Vologdin 1939
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Invalid names: Aruntacyathus Kruse and West 1980 [synonym]
Diagnosis
No diagnoses are available