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Dicosmos
Taxonomy
Dicosmos was named as a genus. It is not extant.
It was reranked as Naticopsis (Dicosmos) by Wang and Xi (1980).
It was assigned to Naticopsinae by Knight et al. (1960); to Naticopsis by Wang and Xi (1980); to Archaeogastropoda by Sepkoski (2002); and to Naticopsidae by Nützel and Erwin (2004).
It was reranked as Naticopsis (Dicosmos) by Wang and Xi (1980).
It was assigned to Naticopsinae by Knight et al. (1960); to Naticopsis by Wang and Xi (1980); to Archaeogastropoda by Sepkoski (2002); and to Naticopsidae by Nützel and Erwin (2004).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1960 | Dicosmos Knight et al. p. 276 |
| 1980 | Naticopsis (Dicosmos) Wang and Xi p. 212 |
| 2002 | Dicosmos Sepkoski |
| 2004 | Dicosmos Nützel and Erwin p. 379 |
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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. †Dicosmos
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†Dicosmos conoideus Kittl 1894
†Dicosmos declivis Kittl 1894
†Dicosmos globosus Wang 1980
†Dicosmos mammispira Kittl 1899
†Naticopsis (Dicosmos) applanatus Kutassy 1937
†Naticopsis (Dicosmos) compressus Tong and Erwin 2001
†Naticopsis (Dicosmos) declivis Kittl 1894
†Naticopsis (Dicosmos) eyerichi Noetling 1880
†Naticopsis (Dicosmos) sichuanensis Tong and Erwin 2001
Diagnosis
No diagnoses are available