New York Metropolitan Region and New Jersey
Freshwater Mussel Identification Handbook
The metro area fauna at a glance. Taxon names are linked to their species accounts.
Taxon
Common name
Abundance
Dreissenidae*
   
Dreissena polymorpha (Pallas, 1771)
zebra mussel
common
Dreissena bugensis (Andrusov, 1897)
quagga mussel
uncommon
     
Unionidae
   
Alasmidonta heterodon (Lea, 1830)
dwarf wedgemussel
rare
Alasmidonta undulata (Say, 1817)
triangle floater
common
Alasmidonta varicosa (Lamarck, 1819)
brook floater
rare
Anodonta implicata (Say, 1829)
alewife floater
uncommon
Elliptio complanata (Lightfoot, 1786)
eastern elliptio
abundant
Lampsilis cariosa (Say, 1817)
yellow lampmussel
rare
Lampsilis radiata radiata (Gmelin, 1791)
eastern lampmussel
common
Lasmigona subviridis
 green floater
 rare
Leptodea ochracea (Say, 1817)
tidewater mucket
rare
Ligumia nasuta (Say, 1817)
eastern pondmussel
uncommon
Pyganodon cataracta (Say, 1817)
eastern floater
abundant
Strophitus undulatus (Say, 1817)
creeper
common
Utterbeckia imbecillis (Say, 1829)
paper pondshell 
   common 
Margaritiferidae
   
Margaritifera margaritifera (Linnaeus, 1758)
 eastern pearlshell
rare 
     
Corbiculidae*
   
Corbicula fluminea (Muller, 1774)
Asian clam 
common
 * Indicates invasive taxon