Treatise on invertebrate paleontology; prepared under the guidance o f the Joint Committee on Invertebrate Paleontology - Joint Committee on Invertebrate Paleontology; Moore, Raymond Cecil (New York : Geological Society of America and University of Kansas Press, 1953)
pt. D. Protista 3. Protozoa; pt.E. Archaeocyatha and Porifera.
Includes bibliographical references.
Keywords: Invertebrates, Fossil