Specimen Information

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

Specimen ID1757715
GroupMollusks-Bivalves
GenusPyganodon
Speciesgrandis
Common Namegiant floater
StateNJ
CountyCape May
LocalityCape May
Mapping AccuracyAccurate
HUC8 NameGreat Egg Harbor
HUC8 Number02040302
HUC10 NameGreat Egg Harbor Bay-Frontal Atlantic Ocean
HUC10 Number0204030204
HUC12 NameGreat Channel-Hereford Inlet
HUC12 Number020403020405
Map
Collection Day30
Collection Month6
Collection Year1957
Year AccuracyActual
Reference 1
Ref. Number:25901
Author:Academy of Natural Sciences of Philadelphia.
Date:2013
Title:Academy of Natural Sciences malacology collection. Accessed through GBIF data portal, http://data.gbif.org/datasets/resource/2006
Publisher:Academy of Natural Sciences
Record TypeSpecimen
Museum Cat NumberANSP:MAL 216840
Number Collected4


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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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