|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Cephalopoda - Ceratitida - Gymnitidae
It was assigned to Gymnitidae by Spath (1951); to Japonitidae by Tozer (1981); to Japonitinae by Tozer (1994); and to Ceratitida by 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.