|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Cephalopoda - Ceratitida - Trachyceratidae
It was assigned to Trachyceratidae by Spath (1951) and Astakhova (1971); to Ceratitida by Sepkoski (2002); and to Sirenitinae by Tozer (1981), Tozer (1994) and Lukeneder and Lukeneder (2014).
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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.