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| Author | : | Hibbard, C.W. |
| Author 2 | : | Zakrzewski, R.J. |
| Year of publication | : | 1967 |
| Title | : | Phyletic trends in the late Cenozoic microtine Ophiomys gen. nov., from Idaho. |
| Journal | : | Univ. Mich. Mus. Paleont. Contrib. |
| Vol/No/Pages/Plates | : | 21, 255-271. |