Selected New England Invertebrates
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Ampithoe valida
Arbacia punctulata
Busycotypus canaliculata
Idotea metallica
Ilyanassa obsoleta
Lepidonotus sublevis
Leptasterias tenera
Neptunea decemcostata
Nucella lapillus
Ophioderma brevispina
Palaemonetes pugio
Psilaster florae
Retilaskeya emersonii
Squilla empusa
Strongylocentrotus drobachiensis
Testudinalia testudinalis
Urosalpinx cinerea
Ampithoe valida

Ampithoe valida Smith.  A small crustacean found in the intertidal zone hiding under seaweed.

Argopecten irradians (Lamarck).  The edible bay scallop is a commercially important commercial bivalve.

Arbacia punctulata

Arbacia punctulata (Lamarck).  A common sea urchin, relative of sea stars (or starfish).

Busycotypus canaliculata

Busycotypus canaliculata (Linnaeus).  The common channeled whelk, a large snail.

Idotea metallica

Idotea metallica Bosc.  Isopod crustaceans such as this species are important food items of fish.

Ilyanassa obsoleta

Ilyanassa obsoleta (Say).  These common mud snails are often extremely abundant, easily seen at low tide.

Lepidonotus sublevis

Lepidonotus sublevis Verrill.  A marine worm or polychaete, easily reconizable by their fleshy overlapping plates.

Leptasterias tenera

Leptasterias tenera (Stimpson).  A common sea star of deeper waters of New England.

Neptunea decemcostata

Neptunea decemcostata (Say).  Although a deepwater resident, neptune shells are sometimes found washed ashore.

Nucella lapillus

Nucella lapillus (Linnaeus).  A predatory snail known as the dogwinkle.

Ophioderma brevispina

Ophioderma brevispina (Say).  The underside of this common brittle star shows exquisite detail.

Palaemonetes pugio

Palaemonetes pugio Holthuis.  One of the common grass shrimps, an important food item of fish.

Psilaster florae

Psilaster florae (Verrill).  Although not common in shallow water, it is very abundant in the deeper waters off New England.

Retilaskeya emersonii

Retilaskeya emersonii (Adams).  This small snail has a delicately beaded appearance.

Squilla empusa

Squilla empusa Say.  A large predatory crustacean that lives in burrows, and therefore rarely seen.

Strongylocentrotus drobachiensis

Strongylocentrotus drobachiensis (Müller).  The green sea urchin is common north of Cape Cod, although occasionally found further south.

Testudinalia testudinalis

Testudinalia testudinalis (Müller).  Common tortoise shell limpet.

Urosalpinx cinerea

Urosalpinx cinerea (Say).  An oyster drill. Predatory on other shelled mollusks and barnacles.