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Cephalopoda - Ammonitida - Perisphinctidae
It was reranked as Ammonites (Perisphinctes) by Loriol (1878) and Crick (1894).
It was assigned to Ammonites by Loriol (1878) and Crick (1894); to Perisphinctidae by Arkell (1952); to Ammonoidea by Sepkoski (2002); and to Perisphinctinae by Parent (2006), Matsukawa et al. (2008) and Sato and Yamada (2014).
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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.