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Viallithyris
Taxonomy
Viallithyris is a genus. It is not extant. Its type is Terebratula gozzanensis.
It was assigned to Terebratulida by Sepkoski (2002); and to Loboidothyridoidea by Williams et al. (2006).
It was assigned to Terebratulida by Sepkoski (2002); and to Loboidothyridoidea by Williams et al. (2006).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Viallithyris Sepkoski |
| 2006 | Viallithyris Williams et al. p. 2133 |
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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. †Viallithyris
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†Viallithyris fylgia Oppel 1863
†Viallithyris gozzanensis Parona 1880
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Invalid names: Terebratula sismondai Parona 1880 [synonym]
†Viallithyris redii Di Stefano 1884
Diagnosis
No diagnoses are available