Cetacea By Brandi Eberlin

General Characteristics Mammals which have aquatic life cycles from birth until death Nearly hairless Fusiform (spindle-shaped) body Frontal limbs in the form of flippers Horizontal tail fin Living members have hind limbs that are vestigial structures Insulated with blubber

3 Suborders Order:Cetacea Suborders: Archaeocti Mysticeti Odontoceti Kingdom:Animalia Phylum:Chordata Subphylum:Vertebrata Class:Mammalia Sperm Whale, Physeter macrocephalus

Archaeoceti All extinct Links together land mammals and whales Most lived in the ocean Most have a whale-like body structure Several different types of teeth Nostrils are not towards the top of skull Some retained hind limbs

Mysticeti Also known as baleen whales No teeth Have plates of baleen Eats small aquatic animals and plankton Larger cetaceans 2 blowholes 4 families 14 species All composed of whales Humpback Whale, Megaptera novaeangliae

Humpback Whale Suborder: Mysticeti feet long tons Baleen plates Eats small fish and krill 2 blowholes Humpback Whale, Megaptera novaeangliae Breed and have young in warm water Pregnant for months Calf nurses for 1 year Females mature in 5 years Males mature in 7 years Live up to years Range Map

Family: Balaenidae- Right whales and Bowhead Whale Genus: Balaena Bowhead Whale, Balaena mysticetus Genus: Eubalaena Atlantic Northern Right Whale, Eubalaena glacialis Pacific Northern Right Whale, Eubalaena japonica Southern Right Whale, Eubalaena australis Family: Balaenopteridae, Rorquals Subfamily: Balaenopterinae Genus: Balaenoptera Common Minke Whale, Balaenoptera acutorostrata Antarctic Minke Whale, Balaenoptera bonaerensis Sei Whale, Balaenoptera borealis Bryde's Whale, Balaenoptera brydei Blue Whale, Balaenoptera musculus Fin Whale, Balaenoptera physalus Subfamily: Megapterinae Genus: Megaptera Humpback Whale, Megaptera novaeangliae † Genus: Eobalaenoptera † Harrison's Whale, Eobalaenoptera harrisoni Family: Eschrichtiidae Genus: Eschrichtius Gray Whale, Eschrichtius robustus Family: Neobalaenidae: Pygmy Right Whale Genus: Caperea Pygmy Right Whale, Caperea marginata Gray Whale, Eschrichtius robustus

Odontoceti Also known as toothed whales Have teeth One type of tooth Carnivore Smaller cetaceans Eat larger aquatic animals than the Mysticeti Uses echolocation A mass of fat called the melon 1 blowhole 10 families 73 species Composed of whales, dolphins, and porpoises False Killer Whale, Pseudorca crassidens

Common Bottlenose Dolphin Common Bottlenose Dolphin, Tursiops truncatus Pregnant for 12 months Calf nurses for 18 months Calf will stay for 3-6 years Females mature in 5-9 years Males mature in 8-13 years Live up to 25 years Suborder: Odontoceti 6-14 feet long pounds Cone-shape teeth Eats fish, squid, and crustaceans Prefers water above 50˚F Single blowhole Range Map

Family Delphinidae: Ocean dolphin Genus Cephalorhynchus commersonii, Commerson's Dolphin eutropia, Chilean Dolphin, heavisidii, Heaviside's Dolphin hectori, Hector's Dolphin Genus Delphinus capensis, Long-beaked Common Dolphin delphis, Short-beaked Common Dolphin Genus Feresa attenuata, Pygmy Killer Whale Genus Globicephala macrorhyncus, Short-finned Pilot Whale melas, Long-finned Pilot Whale Genus Grampus griseus, Risso's Dolphin Genus Lagenodelphis hosei, Fraser's Dolphin Genus Lagenorhynchus acutus, Atlantic White-sided Dolphin albirostris, White-beaked Dolphin australis, Peale's Dolphin cruciger, Hourglass Dolphin obliquidens, Pacific White-sided Dolphin obscurus, Dusky Dolphin spp., Tropical Dusky Dolphin Genus Lissodelphis borealis, Northern Right Whale Dolphin peronei, Southern Right Whale Dolphin Genus Orcaella brevirostris, Irrawaddy Dolphin Genus Orcinus orca, Killer Whale Genus Peponocephala electra, Melon-headed Whale Genus Pseudorca crassidens, False Killer Whale Genus Sotalia fluviatilis, Tucuxi Genus Sousa chinensis, Pacific Humpback Dolphin plumbea, Indian Humpback Dolphin teuszii, Atlantic Humpback Dolphin Genus Stenella attenuata, Pantropical Spotted Dolphin clymene,, Clymene Dolphin coeruleoalba, Striped Dolphin frontalis, Atlantic Spotted Dolphin longirostris, Spinner Dolphin Genus Steno bredanensis, Rough-toothed Dolphin Genus Tursiops aduncus, Indian Ocean Bottlenose Dolphin truncates, Common Bottlenose Dolphin Family Monodontidae Genus Delphinapterus leucas, Beluga Genus Monodon monoceros, Narwhal Family Phocoenidae: Porpoises Genus Neophocaena phocaenoides, Finless Porpoise

Genus Phocoena dioptrica, Spectacled Porpoise phocaena, Harbour Porpoise sinus, Vaquita spinipinnis, Burmeister's Porpoise Genus Phocoenoides Dalli, Dall's Porpoise Family Physeteridae: Sperm Whale family Genus Physeter macrocephalus, Sperm Whale Family Kogiidae - MSW3 treats Kogia as a member of Physeteridae Genus Kogia breviceps, Pygmy Sperm Whale sima, Indo-Pacific Dwarf Sperm Whale ssp., Atlantic Dwarf Sperm Whale Superfamily Platanistoidea: River dolphins Family Iniidae Genus Inia geoffrensis, Amazon River Dolphin, Inia Family Platanistidae Genus Platanista gangetica, Ganges River Dolphin Family Ziphidae, Beaked whales Genus Berardius arnuxii, Arnoux's Beaked Whale bairdii, Baird's Beaked Whale Subfamily Hyperoodontidae Genus Hyperoodon ampullatus, Northern Bottlenose Whale planifrons, Southern Bottlenose Whale Genus Indopacetus pacificus Indo-Pacific Beaked Whale Genus Mesoplodon, Mesoplodont Whale bidens, Sowerby's Beaked Whale bowdoini, Andrews' Beaked Whale carlhubbsi, Hubbs' Beaked Whale densirostris, Blainville's Beaked Whale europaeus, Gervais' Beaked Whale ginkgodens, Ginkgo-toothed Beaked Whale grayi, Gray's Beaked Whale hectori, Hector's Beaked Whale layardii, Layard's Beaked Whale mirus, True's Beaked Whale peruvianus, Pygmy Beaked Whale stejnegeri, Stejneger's Beaked Whale traversii, Spade Toothed Whale Genus Tasmacetus Shepherdi, Tasman Beaked Whale Genus Ziphius Cavirostris, Cuvier's Beaked Whale Rough-toothed Dolphin, Steno bredanensis,

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