|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Echinoidea - Spatangoida - Schizasteridae
It was reranked as Schizaster (Linthia) by Cooke (1942).
It was assigned to Schizaster by Cooke (1942); to Schizasteridae by Cooke (1959) and Fischer (1966); and to Spatangoida 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.