|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Asteroidea - Platyasterida - Palasteriscidae
It was assigned to Platanasteridae by Spencer (1919); to Platyasterida by Sepkoski (2002); to Palasteriscinae by Dean Shackleton (2005); and to Palasteriscidae by Owen (1965), Spencer and Wright (1966), Blake (1994) and Blake and Rozhnov (2007).
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|D. B. Blake 1994||Platanasterid with a large disk, relatively narrow ambulacrals, and broad adambulacrals; the channels for the radial and transverse water vascular canals are large and deep; podial basins are close to the arm axis and occupy nearly the full ambulacral width.|
|J. Dean Shackleton 2005||Axillary separated from marginal ring by pair of internal inferomarginals.|