†Hemiaster (Mecaster) luynesi Cotteau 1869 (heart urchin)
Echinoidea - Spatangoida - Hemiasteridae
PaleoDB taxon number: 167200
Alternative combination: Hemiaster luynesi
Belongs to Hemiaster (Mecaster) according to R. Berndt 2003
Sister taxa: Hemiaster (Mecaster) syriacus, Mecaster africanus, Mecaster batnensis, Mecaster fourneli, Mecaster nicaisei, Mecaster orbignyanus, Mecaster palpebratus, Mecaster pseudofourneli, Mecaster semicavatus, Mecaster toucasanus, Mecaster verneuili, Mecaster victoris
Ecology: slow-moving shallow infaunal deposit feeder-detritivore