Spirobranchia or fanworms
Spumellaria
Stalked Jellyfish
Starfish
Stephoidea
Talamophora- Formanifera, Rhisopods
Teleostei - bony Fishes
Tetracoralla - Coral
Thalamophora - Forminifera
Thoracostraca, Crustaceans,
Trachomedusae - Jellyfish
Tubularida - Tubularians
Turtles
Worms