|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Echinoidea - Cidaroida - Cidaridae
It was assigned to Rhabdocidarinae by Fell (1966); to Cidaroida by Sepkoski (2002); and to Cidaridae by Ragaini (1994) and Donovan et al. (2005).
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.