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Gastropoda - Murchisoniina - Zygopleuridae
It was reranked as Zygopleura (Allocosmia) by Haas (1953) and Yu et al. (1974).
It was assigned to Zygopleura by Haas (1953) and Yu et al. (1974); to Neotaenioglossa by Stiller (2001) and Sepkoski (2002); and to Zygopleuridae by Campbell (1982), Conti et al. (1986) and Conti et al. (2004).
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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.