|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Asteroidea - Paxillosida - Astropectinidae
It was assigned to Astropectininae by Spencer and Wright (1966); to Paxillosida by Sepkoski (2002); and to Astropectinidae by Hess (1955), Hess (1972) and Villier (2008).
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.
|H. Hess 1955||The lateral faces for articulation with the adjoining plates develop on the entire lateral faces of the marginals. Marginal plates with ornament of tiny rounded tubercles, bearing short acicular spines. Actinolateral plates large, one row extending far into the arm (2/3 of arm length). Abactinal plates compact, rounded.|