Xestospongia testudinaria

Information:
Phylum: PORIFERA
Order: PETROSIIDA
Class: DEMOSPONGIAE
Family: PETROSIIDAE
Species: Xestospongia testudinaria
Common Name: Barrel sponge

Phylum: ECHINODERMATA
Order: CIDAROIDA
Class: ECHINOIDEA
Family: CIDARIDAE
Species: Prionocidaris baculosa

Dive Info:
locality: Malapascua Island. Chocolate Island. Philippines. Chocolate Point.
depth: 14 m.
date: 11/8/2005
Photographer: Guido Poppe