|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.
|G. Breton 1992||Long slender arms with a progresive trasition to the disk. Interbrachial arc regularly rounded. Marginal plats long and narrow, numerous. Median marginal plates relatively low. Granule-pits well demarcated, generally lacking on the adradial margin of the external face. Abactinal plates small, without distinct space for papulae. Few rows of abactinal extanding up the the arm tip. Pedicellaria-pits elongate, numerous, expecially on the abradial side of the inferomarginal plates, the actinals and the adambulacrals.|