|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Bivalvia - Cardiida - Ungulinidae
It was reranked as Diplodonta (Timothynus) by Coan and Valentich-Scott (2012).
It was assigned to Ungulinidae by Vokes (1980), Dockery (1982), Ward (1992) and Todd (2001); to Veneroida by Sepkoski (2002); and to Diplodonta by Coan and Valentich-Scott (2012).
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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.