Species of Greatest Conservation Need By Taxon
Crustacean
| Scientific Name | Common Name | RSGCN Concern Level |
|---|---|---|
| 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 |