| Specimen ID | 261214 |
| Group | Mollusks-Gastropods |
| Genus | Marisa |
| Species | cornuarietis |
| Common Name | giant ramshorn |
| State | TX |
| County | Bexar |
| Locality | San Antonio River near Brackenridge Park and the San Antonio Zoo |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper San Antonio |
| HUC8 Number | 12100301 |
| HUC10 Name | Headwaters San Antonio River |
| HUC10 Number | 1210030102 |
| HUC12 Name | Olmos Creek-San Antonio River |
| HUC12 Number | 121003010201 |
| Map | |
| Collection Day | 7 |
| Collection Month | 8 |
| Collection Year | 2000 |
| Year Accuracy | Actual |
| Potential Pathway | released aquarium |
| Status | established |
| Reference 1 |
| Ref. Number: | 13019 |
| Author: | Loftus, W.F. |
| Date: | 2000 |
| Title: | USGS-BRD: Non-indigenous faunal studies in the Everglades region |
| Journal: | in-house document |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
