The Echinoid Directory
Proholaster auberti Gauthier, 1896; Museum National d'Histoire Naturelle, Paris, J01430 (holotype). Berriasian, Lower Cretaceous, Khanget Fioufi, Tunisia. Oral view (NB pencil lines purporting to show plastron plating are ficticious - underlying plate boundaries cannot be made out).
Length of test 38 mm.