Three-dimensional reconstruction of the head of an adult sperm whale.

Whale Album: Giants of the Deep, Evolution of Whales & AMNH

Dental crowding: Ancient baleen whales had a mouth full

Brygmophyseter shigensis was a Sperm Whale relative in Miocene Japan. it differed from its larger, extant relative through its unusually large teeth on both its upper and lower jaw. : r/Naturewasmetal

PDF) The nose of the sperm whale: overviews of functional design, structural homologies and evolution

Gigantic New Species of Ancient Whale May Be Heaviest Animal Ever to Exist

Seeing the Ocean With A Buzzing Nose

Zygophyseter - Wikipedia

Kaszaloty spermacetowe i ich śmiertelne dźwięki

Three-dimensional reconstruction of a beaked whale head (Mesopolodon