|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
It was assigned to Gastropoda by Knight (1936); to Platyschismatinae by Knight et al. (1960); to Archaeogastropoda by Sepkoski (2002); and to Naticopsinae by Wagner (2017).
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.
|J. B. Knight 1936||Moderately small anomphalous or cryptomphalous, subglobular gastropods with somewhat thickened inner lip, low spire, rather numerous whorls, a row of subtural nodes, and a moderately deep sinus in the upper part of the outer lip; without a selenizone|