Itheketheke
Amatheketheke yizinhlanzi ezinezingalongalo ezingamalunga omndeni wzintikintiki (gelatinous). Itheketheke liyisibhukudi esikhululekile ezilwaneni zasolwandle, yize ezimbalwa ziboshelwe phansi olwandle. Lezi zinhlanzi zenziwe zinomzimba omise okwesilulwane owenziwe nge- mesoglea, kanye neqoqo lezingalongalo ngaphansi.