Linckia Nardo 1834

Genus Linckia Nardo, 1834 Type: Linckia typus Nardo, 1834, a synonym of Asterias laevigata Linnaeus, 1758, by original designation Diagnosis: Arms 4–8 (usually 5), hardly, if at all, tapering, almost completely cylindrical. Disc small (R/r often 10:1 or greater). Abactinal plates irregularly arranges and all plates covered with granules. Papular pores in groups between plates rarely extending below inferomarginal series. Ambulacral armature in two (occasionally three) series, spines short often appearing granuliform. No pedicellariae.