|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Chondrichthyes - Ctenacanthiformes - Ctenacanthidae
It was assigned to Tamiobatidae by Jordan (1963) and Williams (1998); to Symmoriida by Sepkoski (2002); and to Ctenacanthidae by Duffin and Ginter (2006) and Ginter et al. (2010).
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.