On the evolutionary significance of the Pycnogonida.
Series: Smithsonian miscellaneous collections,; v. 106, no. 18; Publication 3866; Smithsonian miscellaneous collections ;; v. 106, no. 18.
Publisher: Smithsonian Institution
Published: 1947
Place of publication: Washington
Language: eng
Number of pages: 53
Subjects: Pycnogonida.
Notes: Bibliography: p. 42-47.