Species of Greatest Conservation Need By Taxon

Marine Invertebrate

Scientific Name Common Name RSGCN Concern Level
Xanthidae spp. Mud Crab sp.
Upogebia affinis Coastal Mud Shrimp
Uca spp. Fiddler Crab sp.
Uca pugnax Mud Fiddler Crab
Uca pugilator Atlantic Sand Fiddler Crab
Uca minax Red-jointed Fiddler Crab
Trichodrilus culveri An Oligochaete
Thyonidium drummondii Sea Cucumber
Terebratulina septentrionalis Lamp Shell
Stylodrilus beattiei A Cave Lumbriculid Worm
Strongylocentrotus droebachiensis Green Sea Urchin
Stephanasterias albula White Sea Star
Squilla empusa Mantis Shrimp
Spongilla spp. Freshwater Sponge sp.
Spongilla aspinosa Smooth Branched Sponge
Spiochaetopterus costarum oculatus Parchment Tube Worm
Spelaedrilus multiporus A Cave Lumbriculid Worm
Solaster endeca Purple Sunstar
Skistodiaptomus pallidus Calanoid Copepod
Sesarma reticulatum Purple Marsh Crab
Sclerodactyla briareus Hairy Sea Cucumber
Rithropanopeus harrisii Harris Mud Crab
Psolus phantapus A Psolus
Psolus fabricii A Psolus
Placopecten magellanicus Atlantic Sea Scallop High
Pectinaria gouldii Cone Worm
Paracyclops poppei A Copepod
Panopeus herbstii Atlantic Mud Crab
Pandalus borealis Northern Shrimp
Palaemonetes spp. Grass Shrimp sp.
Pagurus pollicaris Flat Claw Hermit Crab
Ovalipes ocellatus Lady Crab
Ophioderma brevispinum Short-spined Brittle Star
Marphysa belli Red Gilled Worm
Macrocyclops albidus A Copepod
Macrobrachium ohione Ohio River Shrimp
Macrobdella sestertia New England Medicinal Leech
Loligo pealeii Long Finned Squid
Limnadia lenticularis Euroamerican Clam Shrimp
Libinia emarginata Spider Crab
Libinia dubia Longnose Spide Crab
Lebbeus polaris Polar Lebbeid Shrimp
Lebbeus groenlandicus Spiny Lebbeid Shrimp
Homarus americanus American Lobster High
Hippolyte spp. Zostera Shrimp sp.
Heteromeyenia longistylus Pennsylvania Sponge
Haplotaxis brinkhursti An Oligochaete
Gorgonocephalus arcticus Northern Basket Starfish
Glycera dibranchiata Blood Worm
Eurypanopeus depressus Flatback Mud Crab