|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Bivalvia - Unionida
It was corrected as Unionida by Bouchet et al. (2010) and Carter et al. (2011).
It was assigned to Paleoheterodonta by Shoshani et al. (1989); to Bivalvia by Sepkoski (2002); to Palaeoheterodonta by Newell (1965), Vokes (1980), Beu et al. (1990), Giribet and Wheeler (2002) and Bieler and Mikkelsen (2006); to Autobranchia by Nevesskaja (2009); to Palaeoheterodonta by Bouchet et al. (2010); and to Unionata by Carter et al. (2011).
|Year||Name and author|
|1965||Unionoida Newell p. 18|
|1980||Unionoida Vokes p. 71|
|1989||Unionoida Shoshani et al. p. 435|
|1990||Unionoida Beu et al. p. 396|
|2002||Unionoida Giribet and Wheeler|
|2002||Unionoida Sepkoski, Jr.|
|2006||Unionoida Bieler and Mikkelsen p. 230|
|2010||Unionida Bouchet et al.|
|2011||Unionida Carter et al. p. 12|
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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.