Cryptophragmus

Cryptophragmus is an extinct genus of sponges in the extinct family Aulaceratidae. Species are from the Ordovician of Australia, Canada (Ontario), China and the United States (Georgia, Virginia).

Cryptophragmus Temporal range: 456.1–449.5 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Porifera
Class:	†Stromatoporoidea
Order:	†Labechiida
Family:	†Aulaceratidae
Genus:	†Cryptophragmus Raymond, 1914[1]
Species:	†C. antiquatus
Binomial name
†Cryptophragmus antiquatus Raymond, 1914

See also

• List of prehistoric sponge genera