Gautheria radiata
Echinoid
Late Cretaceous (Upper Turonian)
Rouen Chalk, Leskei biozone
Dieppe (76), France

17mm on 76mm chalk slab.

Gautheria is a genus of regular echinoid known from the Late Cretaceous of western Europe.  A “regular” echinoid has neither a front nor back end and can move in any direction.  They are the thicker or more spherical-shaped forms.

A rather exotic yet affordable specimen for the newbie.