|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Bivalvia - Protobranchia
It was corrected as Nuculanida by Carter et al. (2011) and Coan and Valentich-Scott (2012).
It was assigned to Protobranchia by Mikkelsen and Bieler (2008); to Nuculaniformii by Carter et al. (2011); and to Protobranchia by Bieler and Mikkelsen (2006) and 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.