|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gastropoda - Ranellidae
It was reranked as Tritonium (Ranularia) by Gabb (1873); it was reranked as Eutritonium (Ranularia) by Cossmann and Pissarro (1913); it was reranked as Cymatium (Ranularia) by Ladd (1982), Todd (2001) and Beu (2005).
It was assigned to Tritonium by Gabb (1873); to Eutritonium by Cossmann and Pissarro (1913); to Neotaenioglossa by Sepkoski (2002); to Cymatium by Ladd (1982), Todd (2001) and Beu (2005); and to Ranellinae by Beu (2010).
|Year||Name and author|
|1873||Tritonium (Ranularia) Gabb p. 212|
|1892||Retusum Jousseaume p. 344|
|1904||Tritonocauda Dall p. 133|
|1913||Eutritonium (Ranularia) Cossmann and Pissarro|
|1982||Cymatium (Ranularia) Ladd p. 41|
|2001||Cymatium (Ranularia) Todd|
|2002||Ranularia Sepkoski, Jr.|
|2005||Cymatium (Ranularia) Beu p. 88|
|2010||Ranularia Beu p. 181|
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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.