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Bivalvia - Arcida - Arcidae
It was reranked as Anadara (Lunarca) by da Silva Forti (1969) and Tiwari (2001).
It was assigned to Anadarinae by Vokes (1980) and Pacaud and Le Renard (1995); to Anadara by da Silva Forti (1969) and Tiwari (2001); to Arcoida by Sepkoski (2002); and to Arcidae by Todd (2001) and Mikkelsen (2006).
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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.