| Specimen ID | 1634593 |
| Group | Mollusks-Gastropods |
| Genus | Marisa |
| Species | cornuarietis |
| Common Name | giant ramshorn |
| State | TX |
| County | Comal |
| Locality | Comal Springs, Comal River Texas |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Guadalupe |
| HUC8 Number | 12100202 |
| HUC10 Name | Comal River-Guadalupe River |
| HUC10 Number | 1210020201 |
| HUC12 Name | Dry Comal River-Guadalupe River |
| HUC12 Number | 121002020106 |
| Map | |
| Collection Year | 1992 |
| Year Accuracy | Publication Year |
| Potential Pathway | released aquarium | dispersed |
| Status | established |
| Reference 1 |
| Ref. Number: | 33651 |
| Author: | Horne, F.R., T.L. Arsuffi, and R.W. Neck |
| Date: | 1992 |
| Title: | Recent introduction and potential botanical impact of the giant rams-horn snail, Marisa cornuarietis (Pilidae), in the Comal Springs ecosystem of central Texas |
| Journal: | The Southwestern Naturalist |
| Volume: | 37 |
| Issue: | 2 |
| Pages: | 194-214 |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
