On some Cretaceous echinoids from Nigeria
By: by A.G. Brighton
Series: Occasional paper (Geological Survey of Nigeria) -- no. 3
Publisher: Waterlow
Published: 1925
Place of publication: London
Language: eng
Number of pages: 21
Subjects: Sea urchins; Paleontology
Notes: "Published by authority of the Nigerian Government."

Bibliography: p. 20-21.