Triassic echinoids
By: Porter M. Kier.
Series: Smithsonian contributions to paleobiology ; no. 30; Smithsonian contributions to paleobiology ;; no. 30.
Publisher: Smithsonian Institution Press
Published: 1977
Place of publication: Washington
Language: eng
Number of pages: 88
Subjects: Sea urchins, Fossil.; Paleontology -- Triassic.
Notes: Bibliography: p. 39-41.
Includes index.