Echinoid Clypeus Ploli
Echinoids, which are related to sea-urchins, lived in the seas 450 million years ago – Ordovician period. They were/are marine animals with a hard shell and many small tubercles. Som species also had spines. The spines were used for moving around and protection against their predators, as some were/are poison-tipped.
Come and see what echinoids we have for sale below.