|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Asteroidea - Valvatida - Goniasteridae
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.
|A. M. Clark and M.E. Downey 1992||A genus of Goniasteridae with abactinal plates with central granule, spines, tubercle, or pedicellaria, surrounded by smaller granules; secondary abactinal plates present, abundant large bivalve (clamshell) pedicellariae.|