Invertebrate paleontology.
| Author/creator | Easton, William Heyden, 1916- |
| Format | Book |
| Publication Info | New York : Harper, [1960] |
| Description | 701 pages : illustrations ; 25 cm. |
| Subjects |
| Series | Harper's geoscience series Harper's geoscience series. ^A264020 |
| Local note | Little-81364 |
| Bibliography note | Includes bibliography. |
| LCCN | 59013921 |