|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Bivalvia - Cyrtodontida - Cyrtodontidae
It was assigned to Prionodesmacea by Raymond (1916); to Lamellibranchiata by Isberg (1934); to Bivalvia by Soot-Ryen and Soot-Ryen (1960); to Cyrtodontacea by Newell (1965) and Vokes (1980); and to Cyrtodontoidea by Bouchet et al. (2010) and Carter et al. (2011).
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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.