genus
Pisidium
“Fingernail Clams, Pea Clams”
Genus Overview
No genus-level description defined.
Characteristics
POLLUTION TOLERANCE
Southeast: 6.8
Midwest: 4.6
Mid-Atlantic: 8
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Collector / Filterer
MOVEMENT
DISTRIBUTION
HABITAT
Diagnostic Characters
Order
![](https://static.macroinvertebrates.org/gigapans/193893/images.3be6bdb63818359778705f29767a4152/193893-120x120-1607-7692-0-6084.jpg)
Covered by 2 Shells
![](https://static.macroinvertebrates.org/gigapans/193895/images.0e9b5771747a8f22ab867bbfc08e5cee/193895-120x120-847-4207-0-3360.jpg)
No Legs
![](https://static.macroinvertebrates.org/gigapans/193930/images.e098099cfa5aaa137ceb18d435fdc1e2/193930-120x120-4247-8030-719-4502.jpg)
Teeth on Inside of Valves
+ Expanded Character List
Order:
having anterior and posterior lateral teeth present on the inside of its valves.
Family:
Not defined.
Genus:
Not defined.
![](https://static.macroinvertebrates.org/gigapans/193893/images.3be6bdb63818359778705f29767a4152/193893-367x240.jpg)
![](https://static.macroinvertebrates.org/gigapans/193895/images.0e9b5771747a8f22ab867bbfc08e5cee/193895-361x240.jpg)
![](https://static.macroinvertebrates.org/gigapans/193930/images.e098099cfa5aaa137ceb18d435fdc1e2/193930-389x240.jpg)
Dorsal
Lateral
Ventral