|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Bivalvia - Protobranchia - Ctenodontidae
It was reranked as Tancrediopsis by McAlester (1963), Cox et al. (1969), Toni (1975), Vokes (1980), Sepkoski (2002) and Fang (2006).
It was assigned to Ctenodonta by Beushausen (1895); to Nuculoidea by McAlester (1963); to Nuculoida by Sepkoski (2002); and to Ctenodontidae by Cox et al. (1969), Toni (1975), Vokes (1980) and Fang (2006).
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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.