Camptostroma : a Lower Cambrian floating hydrozoan /

Bibliographic Details
Main Author:	Ruedemann, Rudolf, 1864-1956 (Author)
Format:	Government Document Book
Language:	English
Published:	Washington, D.C. : Smithsonian Institution, United States National Museum, 1933.
Subjects:	Hydrozoa, Fossil. Paleontology > Cambrian. Paléontologie > Cambrien. Cambrian Geologic Period. Paleontology. From 500 to 570 million years ago

Description
Item Description:	Cover title. "No. 2954. -- From the Proceedings of the United States National Museum. Vol. 82, art. 13, pp. 1-8, pls. 1-4."
Physical Description:	8 pages, 2 unnumbered leaves of plates : illustrations ; 25 cm