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Gastropoda - Eucyclidae
It was reranked as Purpurina (Eucycloidea) by Pan (1977).
It was assigned to Purpurina by Pan (1977); to Neotaenioglossa by Sepkoski (2002); and to Eucyclidae by Bandel (2010).
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.