| Specimen ID | 1757711 |
| Group | Mollusks-Bivalves |
| Genus | Pyganodon |
| Species | grandis |
| Common Name | giant floater |
| State | NM |
| County | Eddy |
| Locality | Lake McMillan, Pecos River |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Pecos-Black |
| HUC8 Number | 13060011 |
| HUC10 Name | City of Carlsbad-Pecos River |
| HUC10 Number | 1306001110 |
| HUC12 Name | Lake McMillan-Pecos River |
| HUC12 Number | 130600111002 |
| Map | |
| Collection Day | 1 |
| Collection Month | 8 |
| Collection Year | 1988 |
| Year Accuracy | Actual |
| Reference 1 |
| Ref. Number: | 17830 |
| Author: | University of Florida Herbarium. |
| Date: | 2016 |
| Title: | Florida Museum of Natural History |
| Publisher: | University of Florida |
| Volume: | 2008 |
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| Record Type | Specimen |
| Museum Cat Number | UF 517091 |