|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gastropoda - Tegulidae
It was reranked as Tegula (Agathistoma) by Weisbord (1962) and Todd (2001).
It was assigned to Tegula by Weisbord (1962) and Todd (2001); to Archaeogastropoda by Sepkoski (2002); to Tegulinae by DeVries (2007); and to Tegulidae by Landau et al. (2016).
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.