|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Cephalopoda - Ammonitida - Ancyloceratidae
It was reranked as Ancyloceras (Acrioceras) by Jeletzky (1964).
It was assigned to Ancyloceras by Jeletzky (1964); to Ancyloceratinae by Klinger and Kennedy (1992); and to Ammonoidea by Imlay (1960) and Sepkoski (2002).
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.