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Bivalvia - Cardiida - Tellinidae
It was reranked as Macoma (Psammacoma) by Gardner (1947), Coan et al. (2000) and Kafanov and Ogasawara (2003).
It was assigned to Macominae by Woodring (1982) and Perrilliat (1992); to Tellinidae by Todd (2001); to Veneroida by Sepkoski (2002); and to Macoma by Gardner (1947), Coan et al. (2000) and Kafanov and Ogasawara (2003).
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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.