|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Asteroidea - Asteriidae
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. Valette 1925||Marginal large, wide. Profile nearly rectangular rounded at an angle. External face slightly convex. External face covered by fine and dense granular pits. Lateral faces lined by a widened margin. Intermarginal face angular suggesting alternating pattern of the two rows of marginals.|