PHYLUM
SUBPHYLUM
CLASSE
mollusca
amphyneura
aplacophora polyplacophora rostroconchia scaphopoda bivalvia monoplacophora gastropoda cephalopoda echinoidea holothuroidea helicoplacoidea edrioasteroidea ophiocistioiodea cyclocystoidea asteroidea ophiuroidea stylophora homostelea homoiostelea ctenocystoidea rhombifera diploporita blastoidea eocrinoidea crinoidea ….. trilobitoidea trilobita …. protomedusae dipleurozoa scyphozoa hydrozoa anthozoa demospongea hexactinellida calcarea sclerospongea stromatoporata inarticulata articulata stenolaemata gymnolaemata enteropneusta pterobranchia graptolithina rhyzopodea reticularia radiolaria
dyasoma
cyrtosoma
echinodermata
echinozoa
asterozoa homalozoa
blastozoa
crinozoa artropoda coelenterata
porifera
brachiopoda briozoa hemicordata
sarcodina