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Notorhynchus (sevengill shark)
Chondrichthyes - Hexanchiformes - Hexanchidae
It was reranked as Notidanus (Notorhynchus) by Weiler (1938).
It was assigned to Notidanus by Weiler (1938); to Hexanchiformes by Sepkoski (2002); and to Hexanchidae by Jordan (1963), Long et al. (1993), Cvancara and Hoganson (1993) and Kent (2018).
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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.