Animals
Kingdom Animalia
PHYLUM PORIFERA
PHYLUM CNIDARIA
Class Anthozoa
Class Hydrozoa
PHYLUM NEMERTEA (ribbon worms)
PHYLUM BRYOZOA
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Electra pilosa (sea lace)
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Membranipora spp. (lacy crust)
PHYLUM SIPUNCULA (peanut worms)
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Phascolopsis gouldii (Gould’s peanut worm)
PHYLUM ANNELIDA
Class Polychaeta
Family Terebellidae (terebellid worms)
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Amphitriti johnstoni (spaghetti worm)
Family Glyceridae
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Glycera dibranchiata (bloodworm, beak thrower)
Family Nephtyidae
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Nephtys spp. (red-lined worm, catworm, shimmyworm)
Family Nereidae
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Nereis virens (sandworm, clamworm, ragworm)
Family Polynoidea (scaleworms)
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Harmothoe imbricata (fifteen-scaled worm)
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Lepidonotus squamatus (twelve-scaled worm)
PHYLUM MOLLUSCA
Class Polyplacophora (chitons)
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Ischnochiton rubra (= ruber) (northern red chiton)
Class Gastropoda (Snails)
Subclass Prosobranchia
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Crepidula fornicata (Common Atlantic slipper shell)
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Crepidula plana (flat slipper shell, eastern white slipper shell)
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Littorina littorea (common periwinkle)
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Littorina obtusata (smooth periwinkle)
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Littorina saxatilis (rough periwinkle)
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Lunatia (=Euspira) heros (northern moon snail)
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Ilyanassa (=Nassarius) obsoleta(mud dogwhelk)
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Nucella lapillus (dogwhelk, Atlantic dogwinkle)
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Tectura testudinalis (tortoiseshell limpet)
Subclass Opisthobranchia
Order Nudibranchia (Sea slugs)
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Aeolidia papillosa (maned nudibranch, shag-rug aeolis)
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Dendronotus frondosus (frond aeolis, bushy-back sea slug)
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Flabellina (=Coryphella) spp. (red-gilled nudibranch)
Subclass Pulmonata
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Melampus bidentatus (salt-marsh pulmonate snail, eastern melampus)
Class Bivalvia (clams, mussels)
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Anomia simplex (common jingle shell, mermaid’s toenail)
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Geukensia demissa (ribbed mussel)
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Modiolus modiolus (horse mussel)
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Mytilus edulis (blue mussel)
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Ostrea edulis (edible European oyster)
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Ensis directus (common razor clam, Atlantic jackknife)
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Hiatella arctica (Arctic rock borer, red-nose clam)
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Mercenaria mercenaria (quahog, cherrystone, littleneck, hard-shelled clam)
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Mya arenaria (soft-shelled clam, steamer, longneck clam)
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Pitar morrhuanus (false quahog)
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Placopecten magellanicus (ocean scallop)
PHYLUM ARTHROPODA
Subphylum Chelicerata
Class Merostomata
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Limulus polyphemus (horseshoe crab)
Subphylum Crustacea
Class Maxillipoda
Subclass Copepoda
Subclass Thecostraca (barnacles and their kin)
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Semibalanus balanoides (northern rock barnacle)
Class Malacostraca
Order Amphipoda
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Amphiporeia virginiana (haustoriidid amphipod, sandy beach amphipod)
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Gammarus spp. (scud)
Order Decapoda
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Cancer borealis (Jonah Crab)
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Cancer irroratus (Rock crab)
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Carcinus maenas (green crab)
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Hemigrapsus sanguineus (Asian shore crab)
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Homarus americanus (American lobster)
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Pagurus longicarpus (longclawed hermit crab)
PHYLUM ECHINODERMATA
Class Holothuroidea (sea cucumbers)
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Cucumaria frondosa(orange-footed sea cucumber)
Class Echinoidea (sea urchins, sand dollars)
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Strongylocentrotus droebachiensis (green sea urchin)
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Echinarachnius parma (sand dollar)
Class Asteroidea (seastars)
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Asterias forbesi (common sea star)
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Crosaster papposus (rough sun star)
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Henricia sanguinolaria (blood star)
Class Ophiuroidea (brittle stars)
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Ophiopholis aculeata (daisy brittle star)
PHYLUM CHORDATA
Subphylum Urochordata = Tunicata
Class Ascidiacea
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Botrylloides spp. (orange sheath tunicate)
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Botryllus schlosseri (golden-star tunicate)
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Ciona intestinalis (sea vase)
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Didemnum albidum
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Molgula spp. (sea grape)
Subphylum Vertebrata (vertebrates)
Class Chondrichthyes (sharks, rays, other cartilaginous fishes)
Class Osteichthyes “bony fish”
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Fundulus heteroclitis (mummichug, killifish)
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Pleuronectes americanus (winter flounder)