The name "Odobenidae" comes from Greek, it means tooth-walker; walruses sometimes use their tusks to aid them moving across ice.
Genus Odobenus
... is spread out with 22.3% under the age of 18, 6.7% from 18 to 24, 28.0% from 25 to 44, 25.8% from 45 to 64, and 17.2% who are 65 years of age or older. The median age is 41 ...