Porifera, revised

New species of fossil sponges from Little Metis, province of Quebec, Canada

John William Dawson

1888

Catalogue of type, figured and cited specimens in the Commonwealth Palaeontological Collection

D. L. Strusz

1992

A Middle Devonian octactinellid sponge from New York

Eugene S. Richardson, Jr.

1950

On a new genus of siliceous sponges from the Trenton formation at Ottawa

George Jennings Hinde

1981

Bibliographic index of North American archaeocyathids

Matthew H. Nitecki

1967

Annotated bibliography of Lower Paleozoic sponges of North America

J. Keith Rigby

1968

A monograph of the British fossil sponges

George Jennings Hinde

1887

Ordovician sphinctozoan sponges from the eastern Klamath Mountains, northern California

J. Keith Rigby

1986