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Gastropoda - Calyptraeidae
It was reranked as Sigapatella by Beu et al. (1990), Camacho et al. (2000) and Sepkoski (2002).
It was assigned to Calyptraea by Lesson (1830); to Calyptraeidae by Beu et al. (1990) and Camacho et al. (2000); and to Neotaenioglossa by Sepkoski (2002).
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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.