Graptolithina, with sections on Enteropneusta and Pterobranchia
By: prepared under the guidance of the Joint Committee on Invertebrate Paleontology.
Contributors: Joint Committee on Invertebrate Paleontology.
Series: Treatise on invertebrate paleontology -- pt. V.
Publisher: Geological Society of America; University of Kansas
Published: 1955
Place of publication: Boulder, CO; Lawrence, KS
Language: eng
Number of pages: 101
Subjects: Graptolites, Fossil.; Invertebrates, Fossil.; Paleontology.
Notes: Includes index.

Includes bibliographical references.