88235 - Top Beautiful 1.52 Inch Heliophora orbicularis (Urchin) Upper Pliocene Bone is very abundant in the
Yard notes & kiln story
Description
is very abundant in the materials of the Upper Cretaceous of the United States
from the Aoufous Formation (Kem Kem Basin
The rostrum most likely would have had electrosensors to detect food in the water below them like most modern sharks and some rays
A preparation of this piece could make the rest of the teeth show up from under the rock
The morphology of this tooth
88235 - Top Beautiful 1.52 Inch Heliophora orbicularis (Urchin) Upper Pliocene Bone is very abundant in theInteresting genus with extremely variable circular to oval shaped test. Beautiful sand dollar urchin.