| microtus richardsoni | | USA: Wyoming, Big Horn Co. | | 66476316 |
| microtus richardsoni | | USA: Wyoming, Big Horn Co., Bald Mountain Creek | | 66476314 |
| microtus richardsoni | | USA: Wyoming, Big Horn Co., Bald Mountain Creek | | 66476312 |
| microtus richardsoni | | USA: Wyoming, Big Horn Co., Bald Mountain Creek | | 66476310 |
| microtus richardsoni | | USA: Wyoming, Big Horn Co., Bald Mountain Creek | | 66476308 |
| microtus richardsoni | | USA: Wyoming, Big Horn Co., Bald Mountain Creek | | 66476306 |
| microtus richardsoni | | USA: Wyoming, Big Horn Co. | | 66476318 |
| microtus richardsoni | | USA: Wyoming, Big Horn Co. | | 66476320 |
| microtus richardsoni | | USA: Wyoming, Big Horn Co. | | 66476322 |