| Specimen ID | 241931 |
| Group | Mammals |
| Genus | Myocastor |
| Species | coypus |
| Common Name | nutria |
| State | IA |
| County | Fremont |
| Locality | Missouri River (R.M. 562) [across from Nebraska City] |
| Mapping Accuracy | Accurate |
| HUC8 Name | Keg-Weeping Water |
| HUC8 Number | 10240001 |
| HUC10 Name | Horse Creek-Missouri River |
| HUC10 Number | 1024000103 |
| HUC12 Name | Horse Creek Ditch-Possum Creek |
| HUC12 Number | 102400010306 |
| Map | |
| Collection Month | 11 |
| Collection Year | 1957 |
| Year Accuracy | Actual |
| Potential Pathway | escaped captivity fur farm |
| Status | failed |
| Reference 1 |
| Ref. Number: | 17136 |
| Author: | Velich, R. |
| Date: | 1961 |
| Title: | Notes on Mammals from Nebraska and Southwestern Iowa. |
| Journal: | Journal of Mammalogy |
| Volume: | 42 |
| Issue: | 1 |
| Pages: | 92-94 |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
| Size | 14.5 lb |
