Camarodonta with:
Upper Eocene to Recent, worldwide.
The sharply defined sutural pits distinguish these echinoids from all other regular echinoids. Mortensen, T. (1943) A monograph of the Echinoidea Part III.2, Camarodonta 1. C. A. Reitzel, Copenhagen.
The sharply defined sutural pits distinguish these echinoids from all other regular echinoids.
Mortensen, T. (1943) A monograph of the Echinoidea Part III.2, Camarodonta 1. C. A. Reitzel, Copenhagen.