| Specimen ID | 1757700 |
| Group | Mollusks-Bivalves |
| Genus | Pyganodon |
| Species | grandis |
| Common Name | giant floater |
| State | TX |
| County | El Paso |
| Locality | El Paso, Cement Lakee, El Tora Cement Agency |
| Mapping Accuracy | Accurate |
| HUC8 Name | Rio Grande-Fort Quitman |
| HUC8 Number | 13040100 |
| HUC10 Name | Bowman Lateral-Rio Grande |
| HUC10 Number | 1304010001 |
| HUC12 Name | Ascarate Lake-Rio Grande |
| HUC12 Number | 130401000107 |
| Map | |
| Collection Day | 17 |
| Collection Month | 3 |
| Collection Year | 1969 |
| Year Accuracy | Actual |
| Reference 1 |
| Ref. Number: | 44851 |
| Author: | Johnson, R.I. |
| Date: | 1999 |
| Title: | Unionidae of the Rio Grande (Rio Bravo Del Norte) system of Texas and Mexico |
| Journal: | Occasional Papers on Mollusks |
| Volume: | 6 |
| Issue: | 77 |
| Pages: | 1-67 |
|
|
| Record Type | Specimen |
| Museum Cat Number | USNM 681635 |
| Verifier | Greenhall, P.R. |
| Number Collected | 8 |
| Size | valve fragments |
