|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Cephalopoda - Ammonitida - Pachydiscidae
It was assigned to Desmoceratinae by Jones (1963); to Ammonoidea by Sepkoski (2002); and to Pachydiscidae by Morozumi (1985), Wright et al. (1996) and Niebuhr et al. (2016).
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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.