Freshwater Species

(Oregon to Southeast Alaska)

Click on photo to enlarge.  Scale line in photo equals 1cm unless otherwise specified.




  


Home > Northwest Shells & Marine Life > PNW Shells & Marine Life Photos > Freshwater Species
More information on our native freshwater mussels can be found at Freshwater Mussels of the Pacific Northwest.


Citation:  Pacific Northwest Shell Club, www.PNWSC.org
Anodontinae
Anodonta kennerleyi
Anodonta kennerlyi
Lea, 1860
Western Floater














Sphaerium c. simile
Sphaerium c. simile
(Say, 1816)
Grooved Fingernailclam



Unionidae
 Margaritifera falcata Margaritifera falcata
Margaritifera falcata (Gould, 1850)
Western Pearlshell

Gonoidea angulata
Gonoidea angulata
(Lea, 1838)
Western Ridged Mussel


Viviparidae
Cipangopaludina chinensis
Bellamya chinensis (Gray, 1834)
Chinese Mysterysnail
An introduced species
(previous name - Cipangopaludina chinensis)

Corbiculidae
Corbicula fluminea
Corbicula fluminea
(Müller, 1774)
Asian Clam
An invasive species



Article - The Asiatic Clam "Rediscovered" on Vancouver Island
Further details - USGS Nonindigenous Species Database


Pisidium casertanum
Pisidium casertanum Poli, 1791
Ubiquitous Peaclam


















Lymnaeidae
Radix auricularia Radix auricularia
Radix auricularia (Linnaeus, 1758)
Big-Eared Radix
An introduced species

Physidae    
Physella gyrina Physella gyrina
Physella gyrina (Say, 1821)
Tadpole Physa






Planorbella subcrenata Planorbella subcrenata
Planorbella subcrenata (Carpenter, 1857)
Rough Ramshorn

Ancylidae
Ferrissia californica
Ferrissia californica (Rowell, 1863)
Fragile Ancylid
previous name - Ferrissia fragilis (Tryon, 1863)





Home  About Us  Meetings&Events  Articles  Northwest Shells  Links  Contact Us  Site Map







Planorbidae
Menetus opercularis
Menetus opercularis (Gould, 1847)
Button Sprite
 (synonym - Menetus cooperi)



This page last revised: 3-14-2016








Semisulcospiridae
Juga silicula
Juga silicula (Gould, 1847)
Glass Juga














Hydrobiidae
Pristinicola hemphilli
Pristinicola hemphilli
(Pilsbry 1890)
Pristine Pyrg




Amnicolidae
Amnicola n. sp.
Amnicola limnosa (Say, 1817)
found in lakes in WA,
common in streams in the eastern U.S.



Sphaeriidae
Musculium raymondi
Musculium raymondi
(Cooper, 1890)
Western Lake Fingernailclam


















Reference for  Global Invasive Species Database
















Stagnicola elodes
Stagnicola elodes
(Say, 1822)
Marsh Pondsnail