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| Author | : | HIBBARD 1944 |
| Original genus | : | Microtus |
| Current genus | : | Microtus |
| Status | : | valid |
| Range | : | Base of Pleistocene - Base of Middle Pleistocene |
| 1944 | Microtus paroperarius -- HIBBARD , | |
| 1988 | Microtus paroperarius -- REPENNING & GRADY , 15-16, fig. 4: E |