| Orconectes obscurus |
A Crayfish |
|
| Orconectes erichsonianus |
A Crayfish |
|
| Cambarus cf. accuminatus B |
Acuminate Crayfish |
|
| Stygobromus hoffmani |
Alleghany County Cave Amphipod |
|
| Stygobromus allegheniensis |
Allegheny Cave Amphipod |
|
| Cambarus fetzneri |
Allegheny Mountain Mudbug |
Moderate |
| Caecidotea alleghenyensis |
Allegheny Spring Isopod |
|
| Orchestia grillus |
American Marsh Hopper |
|
| Diporeia hoyi |
An Amphipod |
|
| Crangonyx stagnicolous |
An Amphipod |
|
| Crangonyx sp. 2 |
An Amphipod |
|
| Crangonyx acicularis |
An Amphipod |
|
| Stygobromus redactus |
An Amphipod |
|
| Hyale plumulosa |
An Amphipod |
|
| Gammarus tigrinus |
An Amphipod |
|
| Gammarus minus tenuipes |
An Amphipod |
|
| Gammarus lawrencianus |
An Amphipod |
|
| Gammarus faciatus |
An Amphipod |
|
| Gammarus cohabitus |
An Amphipod |
|
| Stygobromus sp. 5 |
An Amphipod |
|
| Stygobromus pollostus |
An Amphipod |
|
| Crangonyx montanus |
An Amphipod |
|
| Caecidotea kenki |
An Isopod |
|
| Caecidotea scyphus |
An Isopod |
|
| Caecidotea simonini |
An Isopod |
|
| Caecidotea sinuncus |
An Isopod |
|
| Cambarus bartonii |
Appalachian Brook Crayfish |
|
| Crangonyx antennatus |
Appalachian Valley Cave Amphipod |
|
| Uhlorchestia uhleri |
Banded Marsh Hopper |
|
| Stygobromus spinosus |
Barrelville Amphipod |
|
| Stygobromus mundus |
Bath County Cave Amphipod |
|
| Cambarus callainus |
Big Sandy Crayfish |
High |
| Cambarus magerae |
Big Stone Crayfish |
Very High |
| Stygobromus biggersi |
Bigger's Cave Amphipod |
|
| Crangonyx fontinalis |
Bland County Amphipod |
|
| Stygobromus sp. 14 |
Blue Ridge Spring Amphipod |
|
| Cambarus buntingi |
Bunting's Crayfish |
|
| Stygobromus conradi |
Burnsville Cove Cave Amphipod |
|
| Caecidotea cannula |
Cannulate Cave Isopod |
|
| Stygobromus sextarius |
Capital Area Groundwater Amphipod |
|
| Stygobromus caecilius |
Cecil Groundwater Amphipod |
|
| Orconectes virginiensis |
Chowanoke Crayfish |
|
| Cambarus theepiensis |
Coalfields Crayfish |
Moderate |
| Synurella chamberlaini |
Coastal Pond Amphipod |
|
| Stygobromus cooperi |
Cooper's Cave Amphipod |
|
| Stygobromus estesi |
Craig County Cave Amphipod |
|
| Stygobromus culveri |
Culver's Cave Amphipod |
|
| Stygobromus cumberlandus |
Cumberland Cave Amphipod |
|
| Bactrurus angulus |
Cumberland Gap Cave Amphipod |
|
| Caecidotea cumberlandensis |
Cumberland Gap Cave Isopod |
|