|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Bivalvia - Megalodontida
It was corrected as Megalodontoidea by Yancey and Stanley (1999), Nevesskaja (2009) and Carter et al. (2011).
It was assigned to Hippuritoida by Newell (1965), Vokes (1980) and Yancey and Stanley (1999); to Lucinoida by Nevesskaja (2009); and to Megalodontida by 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.