|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Cephalopoda - Ceratitida - Trachyceratidae
It was assigned to Arpaditidae by Spath (1951); to Trachyceratidae by Tozer (1981); to Ceratitida by Sepkoski (2002); to Anolcitinae by Mietto and Manfrin (2008); and to Trachyceratinae by Tozer (1994) and Urlichs (2017).
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.