Octopus, slugs, shells

Grey Mail-shell

Chitons

1 species

Spiny File Clam
European Flat Oyster
Blue Mussel
Northern Quahog

Clams, oysters, mussels

Bivalves

20 species

Common Octopus
Common Bobtail
Dwarf Bobtail
Atlantic Longarm Octopus

Octopus, cuttlefish, squids

Cephalopods

8 species

Atlantic Triton Snail
Banded Dye-murex
Common Periwinkle
European Painted Top Shell

Snails, nudibranchs, whelks

Gastropods

43 species