New Discoglossid and Palaeobatrachid Frogs from the Late Cretaceous of Wyoming and Montana, and a Review of Other Frogs from the Lance and Hell Creek Formations
| Autor: | Estes, Richard, Sanchíz, Borja |
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| Zdroj: | Journal of Vertebrate Paleontology, 1982 May 01. 2(1), 9-20. |
| Databáze: | JSTOR Journals |
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