|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Asteroidea - Notomyotida - Benthopectinidae
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.
|D. B. Blake and R. Reid 1998||Paleobenthopectinid with thick arms, attenuated arm tips. Carinals, laterals both large, flat, cross-shaped, articular facets prominent; one lateral row on each side of carinals reaching arms tips. Marginals flat, triangular, with very large spine bases; marginals flat, triangular, flat, with very large spine bases; marginal spines flat, pointed, about 3.5 mm long in holotype. Robust 3-piece Pedicellariae on dorsal arm surfaces, possibly ventral as well. Proximal adambulacrals with single enlarged subambulacral spine.|