Balaenoptera. Balaenoptera borealis . Balaenoptera brydei . Balaenoptera musculus . Blue Whales . Bryde Whale . Brydes Whale . Sei Whales . Blue Whale . Bryde's Whale . Sei Whale . Rudolphi's Rorqual . Pollack Whale . Coalfish Whale . A genus of WHALES in the family Balaenopteridae, consisting of five species: Blue Whale, Bryde's Whale, FIN WHALE, Sei Whale, and MINKE WHALE. They are distinguished by a relatively slender body, a compressed tail stock, and a pointed snout. . 0.57