Marine invertebrates Here are Pierre Wildlife’s marine invertebrates species. We chose to follow the taxonomy and broad species group described in the WORMS website. CORALS, POLYPS </br>AND RELATIVES SEA JELLIES </br>AND RELATIVES CRUSTACEANS </br>AND RELATIVES MARINE </br>MOLLUSKS SEA STARS, URCHINS </br>AND RELATIVES OTHER MARINE </br>INVERTEBRATES