Order Cetacea Whales, Dolphins, and Porpoises Suborder Odontoceti Toothed Whales Family Ziphiidae Beaked Whales Genus Berardius _Berardius bairdii_ Baird’s Beaked Whale 42 ft. (P) Genus Mesoplodon _Mesoplodon bidens_ Sowerby’s Beaked Whale 16 ft. (A) _Mesoplodon densirostris_ Blainville’s Beaked 15 ft. (A) Whale _Mesoplodon europaeus_ Gervais’ Beaked Whale 16 ft. (A) _Mesoplodon mirus_ True’s Beaked Whale 17 ft. (A) _Mesoplodon stejnegeri_ Stejneger’s Beaked Whale 20 ft. (P) Genus Ziphius _Ziphius Cavirostris_ Cuvier’s Beaked Whale 28 ft. (A-P) Genus Hyperoodon _Hyperoodon ampullatus_ Flat-headed Bottlenosed 30 ft. (A) Whale Family Physeteridae Sperm Whales Genus Physeter _Physeter catodon_ Sperm Whale 60 ft. (A-P) Family Kogiidae Pigmy Sperm Whales Genus Kogia _Kogia breviceps_ Pigmy Sperm Whale 13 ft. (A-P) Family Vonodontidae White Whale and Narwhal Genus Delphinapterus _Delphinapterus leucas_ White Whale (Beluga) 18 ft. (C) Genus Monodon _Monodon monoceros_ Narwhal 12 ft. (C) Family Delphinidae Dolphins and Porpoises Genus Stenella _Stenella attenuata_ Slender-beaked Porpoise 6 ft. (P) _Stenella frontalis_ Cuvier’s Porpoise 6 ft. (A) _Stenella graffmani_ Graffman’s Porpoise 8 ft. (P) _Stenella longirostris_ Long-beaked Porpoise 7 ft. (P) _Stenella microps_ Small-headed Porpoise 8 ft. (P) _Stenella plagiodon_ Spotted Porpoise 7 ft. (A) _Stenella styx_ Gray’s Porpoise 8 ft. (A-P) Genus Steno _Steno bredanensis_ Rough-toothed Porpoise 8 ft. (A-P) Genus Delphinus _Delphinus delphis_ Atlantic Dolphin 8 ft. (A) _Delphinus bairdii_ Pacific Dolphin 7 ft. (P) Genus Tursiops _Tursiops truncatus_ Atlantic Bottle-nosed 12 ft. (A) Dolphin _Tursiops gillii_ Gill’s Bottle-nosed 12 ft. (P) Dolphin _Tursiops nuuanu_ Pacific Bottle-nosed 7 ft. (P) Dolphin