Physeteroidea

plural noun
Phys·​e·​ter·​oi·​dea | \ ˌfisətəˈrȯidēə\

Definition of Physeteroidea

: a superfamily of toothed whales comprising the beaked whales and the sperm whales

History and Etymology for Physeteroidea

New Latin, from Physeter + -oidea

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