| Specimen ID | 1878207 |
| Group | Crustaceans-Amphipods |
| Genus | Echinogammarus |
| Species | ischnus |
| Common Name | scud |
| State | IL |
| County | Cook |
| Locality | Calumet River |
| Mapping Accuracy | Accurate |
| HUC8 Name | Little Calumet-Galien |
| HUC8 Number | 04040001 |
| HUC10 Name | Calumet River-Frontal Lake Michigan |
| HUC10 Number | 0404000106 |
| HUC12 Name | Calumet River-Frontal Lake Michigan |
| HUC12 Number | 040400010606 |
| Map | |
| Collection Day | 24 |
| Collection Month | 8 |
| Collection Year | 2020 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | unknown |
| Reference 1 |
| Ref. Number: | 46077 |
| Author: | Harris, B.S., T. Henry, B.J. Smith, D. Hendricks, A.L. Whitten Harris, M.J. Spear, C. Hayer, and J.T. Lamer |
| Date: | 2025 |
| Title: | First records and distribution of the invasive amphipod Echinogammarus ischnus (Stebbing, 1899) in the Illinois Waterway, USA |
| Journal: | BioInvasions Records |
| Volume: | 14 |
| Issue: | 2 |
| Pages: | 375-387 |
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| Record Type | Literature |
