|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Bivalvia - Protobranchia - Nucularcidae
It was assigned to Malletiidae by Pojeta and Gilbert-Tomlinson (1977) and Vokes (1980); to Nuculoida by Sepkoski (2002); and to Nucularcidae by Pojeta and Stott (2007).
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.