|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gastropoda - Donaldinidae
It was assigned to Streptacididae by Knight et al. (1960); to Streptacedidae by Erwin (1988); to Heterostrophia by Sepkoski (2002); and to Donaldinidae by Bandel (1994), Bandel (2002) and Mazaev (2015).
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.