|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Cephalopoda - Ammonitida - Coilopoceratidae
It was assigned to Coilopoceratidae by Benavides-Caceres (1956), Parnes (1964), Cobban and Hook (1980), Zaborski (1985), Meister et al. (1992) and Chancellor et al. (1994); and to Ammonoidea by Sepkoski (2002).
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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.