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Spasskothyris
Taxonomy
Spasskothyris was named by Smirnova (1975) [Sepkoski's age data: K Berr K Haut Sepkoski's reference number: 538]. Its type is Spasskothyris rjasanensis. It is the type genus of Spasskothyrididae.
It was assigned to Terebratulida by Sepkoski (2002); and to Spasskothyrididae by Williams et al. (2006).
It was assigned to Terebratulida by Sepkoski (2002); and to Spasskothyrididae by Williams et al. (2006).
Species
S. rjasanensis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Spasskothyris Smirnova p. 74 |
| 2002 | Spasskothyris Sepkoski |
| 2006 | Spasskothyris Williams et al. p. 2126 |
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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.
Diagnosis
No diagnoses are available