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| Author | : | Meek, F.B. |
| Year of publication | : | 1876 |
| Title | : | Description of the Cretaceous fossils. |
| Volume title | : | Macomb, J.N. : Report of the exploring expedition from Santa Fé, New Mexico, to junction of Grand and Green River of the Great Colorado of the West. |
| Vol/No/Pages/Plates | : | p. 121-133, pls. 1-3 |
| Published in | : | Washington, D.C. |