A Middle Devonian octactinellid sponge from New York
By: Eugene S. Richardson, Jr. --
Series: Fieldiana -- v. 10, no. 10; Chicago Natural History Museum. [Publication] -- no. 650; Publication (Chicago Natural History Museum) -- 650.
Publisher: Chicago Natural History Museum
Published: 1950
Place of publication: [Chicago]
Subjects: Sponges, Fossil.