|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Bivalvia - Cardiida - Semelidae
It was assigned to Semelidae by Glenn (1904), Woodring (1925), da Silva Forti (1969), Vokes (1980), Woodring (1982), Ward and Blackwelder (1987) and Lamprell and Whitehead (1992); and to Veneroida by Sepkoski (2002).
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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.