| Specimen ID | 153952 |
| Group | Crustaceans-Crayfish |
| Genus | Faxonius |
| Species | rusticus |
| Common Name | Rusty Crayfish |
| State | IA |
| County | Delaware |
| Locality | Maquoketa River, 1.5 mi SW of Delhi, at Hartwick Dam [=Lake Delhi Dam] |
| Mapping Accuracy | Accurate |
| HUC8 Name | Maquoketa |
| HUC8 Number | 07060006 |
| HUC10 Name | Headwaters Maquoketa River |
| HUC10 Number | 0706000602 |
| HUC12 Name | Allison Creek-Maquoketa River |
| HUC12 Number | 070600060210 |
| Map | |
| Collection Day | 15 |
| Collection Month | 8 |
| Collection Year | 1978 |
| Year Accuracy | Actual |
| Potential Pathway | released bait |
| Status | collected |
| Reference 1 |
| Ref. Number: | 18885 |
| Author: | Walker, Janice. |
| Date: | 2002 |
| Title: | Invertebrate database from the Smithsonian Institute. |
| Pages: | 87 of 26,700 rows entered as nonindigenous |
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| Record Type | Specimen |
| Disposal | preserved in ethanol |
| Museum Cat Number | USNM 176664 |
| Freshwater/Marine | Freshwater |
| Number Collected | 14 |
