Invertebrate paleontology.

Author/creator Easton, William Heyden, 1916-
Format Book
Publication InfoNew York : Harper, [1960]
Description701 pages : illustrations ; 25 cm.
Subjects

SeriesHarper's geoscience series
Harper's geoscience series. ^A264020
Local noteLittle-81364
Bibliography noteIncludes bibliography.
LCCN 59013921