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Gastropoda - Scaphandridae
It was reranked as Cylichna (Mnestia) by Abrard (1847) and Kuster-Wendenburg (1973); it was reranked as Roxania (Mnestia) by Cossmann (1895).
It was assigned to Roxania by Cossmann (1895); to Cylichna by Abrard (1847) and Kuster-Wendenburg (1973); to Cylichnidae by Dockery (1977); to Cephalaspida by Sepkoski (2002); and to Scaphandridae by Marquet et al. (2008).
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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.