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Gastropoda - Pyramidellidae
It was reranked as Turbonilla (Pyrgiscus) by Martin (1904), Aldrich (1911) and Hendy (2007).
It was assigned to Pyramidellidae by Ward and Blackwelder (1987) and Todd (2001); to Heterostrophia by Sepkoski (2002); and to Turbonilla by Martin (1904), Aldrich (1911) and Hendy (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.