|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 and slender arms. Radius at least 3 time longer than the interradius. Interbrachial arc parabolic. Marginal plates squarish. One row of carinal plates inserted between the superomarginal rows and joining the arm tip. External face of the marginal plates convex, slightly domed to saddle-shaped. Ornament of tiny, dense granule-pits, occasionally associated with tiny and evenly spaced tubercles. Pedicellariae unknown.|