| Creaserinus fodiens |
Digger Crayfish |
Moderate |
| Diporeia hoyi |
An Amphipod |
|
| Eubranchipus holmanii |
Eastern Fairy Shrimp |
|
| Eubranchipus intricatus |
Smoothlip Fairy Shrimp |
Moderate |
| Gammarus cohabitus |
An Amphipod |
|
| Gammarus faciatus |
An Amphipod |
|
| Gammarus lawrencianus |
An Amphipod |
|
| Gammarus minus tenuipes |
An Amphipod |
|
| Gammarus pseudolimnaeus |
Northern Spring Amphipod |
|
| Gammarus tigrinus |
An Amphipod |
|
| Gilvossius setimanus |
Ghost Shrimp |
|
| Haustorius canadensis |
Digging An Amphipod |
|
| Hyale plumulosa |
An Amphipod |
|
| Lacunicambarus diogenes |
Devil Crawfish |
|
| Ligidium elrodii leensis |
Lee County Terrestrial Cave Isopod |
|
| Ligidium elrodii scottensis |
Scott County Terrestrial Cave Isopod |
|
| Lirceus culveri |
Rye Cove Isopod |
|
| Lirceus usdagalun |
Lee County Cave Isopod |
|
| Miktoniscus racovitzai |
Racovitza's Terrestrial Cave Isopod |
|
| Orchestia grillus |
American Marsh Hopper |
|
| Orconectes erichsonianus |
A Crayfish |
|
| Orconectes forceps |
Sturgeon Crayfish |
|
| Orconectes limosus |
Spinycheek Crayfish |
|
| Orconectes obscurus |
A Crayfish |
|
| Orconectes virginiensis |
Chowanoke Crayfish |
|
| Procambarus acutus |
Whiteriver Crayfish |
|
| Stygobromus allegheniensis |
Allegheny Cave Amphipod |
|
| Stygobromus amicus |
Friendly Cave Amphipod |
|
| Stygobromus araeus |
Tidewater Interstitial Amphipod |
|
| Stygobromus baroodyi |
Rockbridge County Cave Amphipod |
|
| Stygobromus biggersi |
Bigger's Cave Amphipod |
|
| Stygobromus borealis |
Taconic Cave Amphipod |
|
| Stygobromus caecilius |
Cecil Groundwater Amphipod |
|
| Stygobromus conradi |
Burnsville Cove Cave Amphipod |
|
| Stygobromus cooperi |
Cooper's Cave Amphipod |
|
| Stygobromus culveri |
Culver's Cave Amphipod |
|
| Stygobromus cumberlandus |
Cumberland Cave Amphipod |
|
| Stygobromus emarginatus |
Greenbrier Cave Amphipod |
|
| Stygobromus ephemerus |
Ephemeral Cave Amphipod |
|
| Stygobromus estesi |
Craig County Cave Amphipod |
|
| Stygobromus felleri |
Feller's Groundwater Amphipod |
|
| Stygobromus fergusoni |
Montgomery County Cave Amphipod |
|
| Stygobromus finleyi |
Finley's Cave Amphipod |
|
| Stygobromus foliatus |
Rappahannock Spring Amphipod |
|
| Stygobromus franzi |
Franz's Cave Amphipod |
|
| Stygobromus gracilipes |
Shenandoah Valley Cave Amphipod |
|
| Stygobromus hayi |
Hay's Spring Amphipod |
|
| Stygobromus hoffmani |
Alleghany County Cave Amphipod |
|
| Stygobromus indentatus |
Tidewater Amphipod |
|
| Stygobromus interitus |
New Castle Murder Hole Amphipod |
|