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Gastropoda - Pyramidellidae
It was reranked as Odostomia (Syrnola) by Martin (1904).
It was assigned to Odostomia by Martin (1904); to Odostomiinae by Beu et al. (1990); to Heterostrophia by Sepkoski (2002); and to Pyramidellidae by MacNeil (1960), Kendrick (1990) and Wienrich and Janssen (2007).
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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.