|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Cephalopoda - Protocycloceratidae
It was assigned to Proterocameroceratidae by Teichert et al. (1964); to Baltoceratidae by Flower (1964) and Hook and Flower (1977); and to Protocycloceratidae by Evans (2011).
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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.