| Phylum | Major Group | Scientific name | Common Name |
| Annelida | Oligochaeta | Monopylephorus | |
| Annelida | Oligochaeta | Tubificoides benedeni | |
| Annelida | Oligochaeta | Tubificoides brownae | |
| Annelida | Oligochaeta | Tubificoides wasselli | |
| Annelida | Oligochaeta | Unknonwn Enchytraeids | |
| Annelida | Oligochaeta | Unknown Tubificids | |
| Annelida | Oligochaeta | Cernosvitosviella immota | |
| Annelida | Oligochaeta | Paranais litoralis | |
| Annelida | Polychaeta | Manayunkia aestuarina | Fan worm |
| Annelida | Polychaeta | Fabricia sabella | |
| Annelida | Polychaeta | Nereis diversicolor | Bristle worm, clam worm |
| Annelida | Polychaeta | Pygospio elegans | |
| Annelida | Polychaeta | Streblospio benedicti | Ram’s horn worm |
| Annelida | Polychaeta | Capitella capitata | |
| Annelida | Polychaeta | Eteone heteropoda | Paddle worm |
| Annelida | Polychaeta | Hobsonia florida | |
| Annelida | Polychaeta | Polydora cornuta | |
| Arthropoda | Amphipoda | Orchestia grillus | Marsh hopper |
| Arthropoda | Amphipoda | Ampelisca abdita | 4-eyed amphipod |
| Arthropoda | Amphipoda | Gammarus mucronatus | Scud |
| Arthropoda | Amphipoda | Gammarus palustrus | Scud |
| Arthropoda | Amphipoda | Melita nidita | |
| Arthropoda | Amphipoda | Uhlorchestia spartinophila | Marsh hopper |
| Arthropoda | Chilicerata | ? | Pseudoscorpion |
| Arthropoda | Chilicerata | Acaria sp. | Mite |
| Arthropoda | Chilicerata | Argiope sp. | Garden spider |
| Arthropoda | Chilicerata | Grammonota sp. | Dwarf spider |
| Arthropoda | Chilicerata | Pardosa sp. | Wolf spider |
| Arthropoda | Chilicerata | Other spiders | |
| Arthropoda | Chilicerata | Limulus polyphemus | Horseshoe Crab |
| Arthropoda | Copepoda | Nannopus palustris | |
| Arthropoda | Copepoda | Cletocamptus sp. | |
| Arthropoda | Copepoda | Cletopsyllus sp. | |
| Arthropoda | Copepoda | Enhydrosoma sp. | |
| Arthropoda | Copepoda | Halicyclops sp. | |
| Arthropoda | Copepoda | Harpacticus sp. | |
| Arthropoda | Copepoda | Heterolaophonte sp. | |
| Arthropoda | Copepoda | Leptocaris sp. | |
| Arthropoda | Copepoda | Mesochra sp. | |
| Arthropoda | Copepoda | Metis holothuriae | |
| Arthropoda | Copepoda | Microarthridion littorale | |
| Arthropoda | Copepoda | Nitokra lacustris | |
| Arthropoda | Copepoda | Phyllopodopsyllus sp. | |
| Arthropoda | Copepoda | Pseudobradya sp. | |
| Arthropoda | Copepoda | Stenhelia sp. | |
| Arthropoda | Copepoda | Thomsonula sp. | |
| Arthropoda | Copepoda | Unknown cyclopoids | |
| Arthropoda | Copepoda | Unknown harpaticoids | |
| Arthropoda | Copepoda | Scottolana canadensis | |
| Arthropoda | Decapoda | Carcinus maenas | Green Crab |
| Arthropoda | Decapoda | Crangon septemspinosa | Sand Shrimp |
| Arthropoda | Decapoda | Dispanopeus (=Neopanope) sayi | Say Mud crab |
| Arthropoda | Decapoda | Palaemonetes pugio | Grass shrimp |
| Arthropoda | Decapoda | Rhithropanopeus harrassii | White-fingered mud crab |
| Arthropoda | Insecta | Aedes cantator | Salt marsh mosquito |
| Arthropoda | Insecta | Aedes sollicitans | Salt marsh mosquito |
| Arthropoda | Insecta | Anurida maritima | Seashore Springtail |
| Arthropoda | Insecta | Bembidion sp. | Ground beetle |
| Arthropoda | Insecta | Conocephalus sp. | Salt marsh katydid |
| Arthropoda | Insecta | Melanoplus bivittatus | Two-striped grasshopper |
| Arthropoda | Insecta | Melanoplus femurrubrum | Red-legged grasshopper |
| Arthropoda | Insecta | Naemia sp | Ladybug |
| Arthropoda | Insecta | Orchelimum fidicinium | Seaside meadow katydid |
| Arthropoda | Insecta | Prokelisia marginata | Plant hopper |
| Arthropoda | Insecta | Tabanus nigrovittatus | Greenhead (larvae) |
| Arthropoda | Insecta | Trigonotylus sp. | Plant bug |
| Arthropoda | Insecta | Praying Mantis | |
| Arthropoda | Insecta | Dragonflies | |
| Arthropoda | Insecta | Myrmicine Ant | |
| Arthropoda | Insecta | Chironomid larvae | |
| Arthropoda | Isopoda | Philoscia vittata | |
| Arthropoda | Isopoda | Cyathura polita | |
| Arthropoda | Isopoda | Edotea triloba | |
| Arthropoda | Ostracoda | Various | Ostrocods |
| Arthropoda | Tanaidacea | Hargeria rapax | |
| Cnidaria | Anthozoa | Nematostella vectens | Dwarf mud anemone |
| Mollusca | Bivalva | Gemma gemma | Gem clam |
| Mollusca | Bivalvia | Guekensia demissa | Ribbed Mussel |
| Mollusca | Bivalvia | Mya arenaria | Soft Shell Clam (Steamer) |
| Mollusca | Gastropoda | Littorina littorea | Periwinkles |
| Mollusca | Gastropoda | Hydrobia truncata | Mud snail |
| Mollusca | Gastropoda | Ilyanassa (=Nassarius) obsoleta | Eastern mud snail |
| Mollusca | Gastropoda | Melampus bidentatus | Coffee Bean Snail |
| Mollusca | Gastropoda | Spurwinkia salsa | Mud snail |