|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Asteroidea - Platyasterida - Urasterellidae
It was assigned to Uractinina by Blake and Guensburg (1993); to Uractinida by Sepkoski (2002); to Asteroidea by Dean Shackleton (2005); and to Urasterellidae by Blake and Rozhnov (2007).
|D. B. Blake and T. E. Guensburg 1993||Five-armed, stoutly constructed asteroid; aboral numerous, small, stout, closely abutted; marginals in one row; proximal marginals much larger than aborals, vertically elongate, becoming similar in size, longitudinally elongate distally; marginals eaqual in number to adambulacrals proximally, more numerous distally; unpaired interbrachial marginal (i.e. axillary) abuts oral ossicular pair; adambulacral stout, broad, with flat outer face, spine base small, of equal size, ossicular furrow margin angular; ambulacral massive, with prominent transverse ridge separating broad podial basins; podial pores lacking; lateral articular facets in ridge-and-groove arrangements, these well developed on ambulacrals, adambulacrals; oral ossicles relatively small.|