|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Cephalopoda - Ammonitida - Knemiceratidae
It was assigned to Placenticeratidae by Förster (1975); to Engonoceratidae by Klinger and Kennedy (1989) and Wright et al. (1996); to Ammonoidea by Sepkoski (2002); and to Knemiceratidae by Bulot (2010).
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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.