Sea Urchin
Of echinoderm and Echinoidea.
Shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells.
This concept's ID is @1~12083
Contains
- heart urchin
Sea urchin having a heart-shaped body in a rigid spiny shell.
- edible sea urchin
A sea urchin that can be eaten.
- sand dollar
Flattened disklike sea urchins that live on sandy bottoms.