Fossil Echini of the Panama Canal Zone and Costa Rica.

Bibliographic Details
Main Author:	Jackson, Robert Tracy, 1861-1948 (Author)
Format:	Book
Language:	English
Published:	Washington, Govt. Print. Off., 1918.
Series:	Smithsonian institution. United States National museum. Bulletin 103 [pt. 5]
Subjects:	Sea urchins, Fossil. Paleontology > Panama. Paleontology > Costa Rica. Oursins fossiles. Paleontology. Costa Rica. Panama. Paleontology > Costa Rica Paleontology > Panama Sea urchins, Fossil

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