|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Metopaster trichilae trichilae
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||Enlarged ultimate superomarginal plates large, tall, elongated and relatively narrow, typically in contact with five inferomarginals. Abactinal bulge highly developed. Superomarginals tumid and inferomarginals high. Central area with a well-defined narrow depressed margin. Plates of large size, smoothed or rarely with few granule-pits in abradial side. Enlarged ultimate superomarginal plates of with indentation in abactino-distal position, which can modify outline of the adradial surface of articulation with the neighboring plate.|