Ginkgo-toothed beaked whale
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The ginkgo-toothed beaked whale is a poorly known species of beaked whale named for the unusual shape of its dual teeth. It is a fairly typical-looking species, but is notable for males not having any
Mesoplodon ginkgodens 2
A ginkgo-toothed beaked whale skull located at the Okinawa Churaumi Aquarium, Japan.
Blainville's beaked whale
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Blainville's beaked whale, or the dense-beaked whale, is believed to be the widest ranging mesoplodont whale. The French zoologist Henri de Blainville first described the species in 1817 from a small
Ginkgo-toothed beaked whale
…otherwise look fairly typical. Halfway through the jaw, there is a sharp curve up where the ginkgo leaf-shaped tooth is. Unlike other species such as Blainville's beaked whale and Andrews' beaked whale, the teeth do not arch over the rostrum. The beak itself is of a moderate length. The coloration is overall dark gray on males…
Mesoplodon densirostris
Skull of Blainville's beaked whale
Teeth of an adult male
Mouth of an adult female