1) Family balaenidae 2) Mammal family 3) Right whales 
Eubalaena Balaenidae iː is a family of whales of the suborder mysticete that contains two living genera. Historically, it is known as the right whale family, as it was thought to contain only species of right whales. Through most of the 20th Century, however, that became a much-debated (and unresolved) topic amongst the scientific community. Fina...
The Balaenidae are the right whale family of mammals of the order Cetacea. They have an arched rosrum giving a deeply curved jaw line, very long and slender baleen plates and no throat grooves. They are quite rotund with a relatively large head and a narrow upper jawbone, and have tactile hairs on their heads.
[n] - right whales
family Balaenidae noun right whales