Protoprisma

Protoprisma is a genus of sponge known from the Burgess Shale.^[1]

Protoprisma Temporal range: Burgess Shale PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Porifera
Class:	Hexactinellida
Order:	†Reticulosa
Genus:	†Protoprisma
Species:	†P. annulata
Binomial name
†Protoprisma annulata Rigby and Collins, 2004