|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gastropoda - Thecosomata - Cavoliniidae
It was reranked as Hyala (Diacria) by Bronn (1962).
It was assigned to Cavolinidae by Woodring (1928); to Hyala by Bronn (1962); to Cavoliniinae by Zorn (1997) and Beesley (1998); to Thecosomata by Sepkoski (2002); and to Cavoliniidae by Todd (2001) and Janssen et al. (2008).
Is something missing? Join the Paleobiology Database and enter the data
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.