| Cambarus magerae |
Big Stone Crayfish |
Very High |
| Cambarus nerterius |
Greenbrier Cave Crayfish |
Very High |
| Cambarus veteranus |
Guyandotte River Crayfish |
Very High |
| Cambarus elkensis |
Elk River Crayfish |
High |
| Cambarus callainus |
Big Sandy Crayfish |
High |
| Cambarus pauleyi |
Meadow River Mudbug |
High |
| Cambarus smilax |
Greenbrier River Crayfish |
Moderate |
| Creaserinus fodiens |
Digger Crayfish |
Moderate |
| Cambarus hatfieldi |
Tug Valley Crayfish |
Moderate |
| Eubranchipus intricatus |
Smoothlip Fairy Shrimp |
Moderate |
| Cambarus theepiensis |
Coalfields Crayfish |
Moderate |
| Cambarus fetzneri |
Allegheny Mountain Mudbug |
Moderate |
| Stygobromus hayi |
Hay's Spring Amphipod |
|
| Stygobromus hoffmani |
Alleghany County Cave Amphipod |
|
| Stygobromus ephemerus |
Ephemeral Cave Amphipod |
|
| Stygobromus kenki |
Kenk's / Rock Creek Groundwater Amphipod |
|
| Stygobromus finleyi |
Finley's Cave Amphipod |
|
| Stygobromus leensis |
Lee County Cave Amphipod |
|
| Stygobromus mackini |
Southwestern Virginia Cave Amphipod |
|
| Stygobromus morrisoni |
Morrison's Cave Amphipod |
|
| Stygobromus mundus |
Bath County Cave Amphipod |
|
| Stygobromus nanus |
Pocahontas Cave Amphipod |
|
| Stygobromus obrutus |
Pittsylvania Well Amphipod |
|
| Stygobromus parvus |
Minute Cave Amphipod |
|
| Stygobromus phreaticus |
Northern Virginia Well Amphipod |
|
| Stygobromus pizzinii |
Pizzini's Amphipod |
|
| Stygobromus pollostus |
An Amphipod |
|
| Stygobromus pseudospinosus |
Luray Caverns Amphipod |
|
| Stygobromus amicus |
Friendly Cave Amphipod |
|
| Orchestia grillus |
American Marsh Hopper |
|
| Antrolana lira |
Madison Cave Isopod |
|
| Crangonyx aberrans |
Mystic Valley Amphipod |
|
| Crangonyx acicularis |
An Amphipod |
|
| Crangonyx antennatus |
Appalachian Valley Cave Amphipod |
|
| Crangonyx dearolfi |
Dearolf's Cave Amphipod |
|
| Crangonyx fontinalis |
Bland County Amphipod |
|
| Crangonyx sp. 2 |
An Amphipod |
|
| Crangonyx stagnicolous |
An Amphipod |
|
| Diporeia hoyi |
An Amphipod |
|
| Stygobromus allegheniensis |
Allegheny Cave Amphipod |
|
| Stygobromus fergusoni |
Montgomery County Cave Amphipod |
|
| Stygobromus araeus |
Tidewater Interstitial Amphipod |
|
| Stygobromus biggersi |
Bigger's Cave Amphipod |
|
| Stygobromus borealis |
Taconic Cave Amphipod |
|
| Stygobromus caecilius |
Cecil Groundwater Amphipod |
|
| Stygobromus conradi |
Burnsville Cove Cave Amphipod |
|
| Stygobromus culveri |
Culver's Cave Amphipod |
|
| Stygobromus cumberlandus |
Cumberland Cave Amphipod |
|
| Stygobromus emarginatus |
Greenbrier Cave Amphipod |
|
| Stygobromus estesi |
Craig County Cave Amphipod |
|