Treatise on marine ecology and paleoecology / Edited by Joel W. Hedgpeth. - America : Geological Society of America, 1957. - Vols. : ill. ; 25 cm. - The geological society of America memoir 67. . Includes index. V. 1- Ecology ; 344 344 Subjects--Topical Terms: Paleoecology. Dewey Class. No.: 560.92 / G292t