Cenozoic and Cretaceous echinoids from Trinidad and Venezuela.
Series: Smithsonian miscellaneous collections,; v. 142, no. 4
Publisher: Smithsonian Institution
Published: 1961
Place of publication: Washington
Language: eng
Number of pages: 35
Subjects: Sea urchins, Fossil -- Trinidad.; Sea urchins, Fossil -- Venezuela.; Paleontology -- Cenozoic.; Paleontology -- Cretaceous.; Paleontology -- Trinidad.; Paleontology -- Venezuela.
Notes: Includes bibliography.
Smithsonian Institution. Publication 4459.
At head of title: Charles D. and Mary Vaux Walcott Research Fund.