| Suborder / Infraorder | Family | Genus | Species | Authority | Common Name | Source (full citation given below this table) |
| Pleocyemata / Astacidea | Nephropidae | Homarus | americanus | H. Milne Edwards | American lobster | |
| Pleocyemata / Brachyura | Cancridae | Cancer | borealis | Stimpson | Jonah crab | |
| Pleocyemata / Brachyura | Cancridae | Cancer | irroratus | Say | Atlantic rock crab | |
| Pleocyemata / Brachyura | Portunidae | Carcinus | maenas | (L.) | green crab |