■marine ■ asymmetrical animals ■have water canal system having ostia, spongocoel osculum and choanocytes ■water transport is helpful in food gathering, respiratory exchange and removal of waste ■ skeleton made up of spicules or spongin fibres ■ hermaphrodite ■ Fertilisation is internal and development is indirect
EXAMPLES
★Sycon – Scypha ★ Spongilla - Fresh water sponge and ★ Euspongia - Bath sponge
