Anthozoa, Cephalopoda, Echinozoa
The "Cephalopoda" class contains 52 families divided into 18 superfamilies
Acroporidae
Argonautidae
Dendrophylliidae
Dentaliidae
Echinometridae
Faviidae
Fungiidae
Merulinidae
Nautilidae
Pocilloporidae
Tubiporidae
(11 families___16 species___32 shells)