|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Cephalopoda - Ammonitida - Haploceratidae
It was assigned to Ammonoidea by Sepkoski (2002); and to Haploceratidae by Arkell et al. (1957), Verma and Westermann (1973), Parent et al. (2011) and Salazar and Stinnesbeck (2016).
Is something missing? Join the Paleobiology Database and enter the data
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.