Heterocentrotus is a genus of the familia Echinometridae. They are mainly found in the Indo-Pacific basin, especially in Reunion or Hawaii. This genus appeared in the Miocene and spread throughout the warm Indo-Pacific.
Heterocentrotus is a genus of the familia Echinometridae. They are mainly found in the Indo-Pacific basin, especially in Reunion or Hawaii. This genus appeared in the Miocene and spread throughout the warm Indo-Pacific.
==Description== thumb|left| Test (biology)|test of [[Heterocentrotus mamillatus]] Heterocentrotus are brightly colored tropical sea urchins with very thick spines that have given them the nickname "slate pencil urchins", named after slate pencil.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).