Specimen Information

Pyganodon grandis
Pyganodon grandis
(giant floater)
Mollusks-Bivalves
Native Transplant

Specimen ID1757711
GroupMollusks-Bivalves
GenusPyganodon
Speciesgrandis
Common Namegiant floater
StateNM
CountyEddy
LocalityLake McMillan, Pecos River
Mapping AccuracyAccurate
HUC8 NameUpper Pecos-Black
HUC8 Number13060011
HUC10 NameCity of Carlsbad-Pecos River
HUC10 Number1306001110
HUC12 NameLake McMillan-Pecos River
HUC12 Number130600111002
Map
Collection Day1
Collection Month8
Collection Year1988
Year AccuracyActual
Reference 1
Ref. Number:17830
Author:University of Florida Herbarium.
Date:2016
Title:Florida Museum of Natural History
Publisher:University of Florida
Volume:2008
Record TypeSpecimen
Museum Cat NumberUF 517091


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Citation information: U.S. Geological Survey. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/5/2025].

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