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| Author | : | Olsson, A.A. |
| Year of publication | : | 1934 |
| Reference letter | : | a |
| Title | : | Contributions to the paleontology of northern Peru: The Cretaceous of the Amotape region. |
| Journal | : | Bulletins of American Paleontology |
| Vol/No/Pages/Plates | : | 20: 1-105, 2 pls. |
| Published in | : | Ithaca, N.Y. |