1. Suborder Mysticeti, Family Neobalaenidae
Member
Pygmy right whale
Distinctive Features
Smaller and sleeker than right whales
Falcate (sickle-shaped) dorsal fin

2. Suborder Mysticeti, Family Eschrichtiidae
Member
Gray whale
Distinctive Features
Primarily a bottom feeder
Tongue is used as a piston to suck food items into its mouth

3. Suborder Odontoceti

4. Suborder Odontoceti, Family Physeteridae
Member
Sperm whale

5. Head is proportionally larger than that of any other odontocete
Distinctive Features
Largest odontocete
Males – 50 feet long
Females – 36 feet long
Champion diver
Head is proportionally larger than that of any other odontocete

6. Suborder Odontoceti, Family Monodontidae
Members
Narwhal
Beluga whale
Distinctive Feature
No dorsal fin

7. Can be almost 10 feet in length
Male narwhal Tusk
Left canine
Spirals
Can be almost 10 feet in length

8. Beluga whales – “Sea canaries”