- The
periotic bone is the
single bone that
surrounds the
inner ear of
birds and mammals. It is
formed from the
fusion of the prootic, epiotic, and opisthotic...
- part: this is
derived from the
angular bone of the
reptilian lower jaw
Periotic bone: the
petrous and
mastoid parts Two
parts of the
hyoid arch: the styloid...
-
contrast to
later cetaceans, the
tympanic bone
makes contact with the
periotic bone
which is
firmly attached to the
skull leaving no
space for isolating...
-
family are, however,
based mostly on one of the
bones of the
inner ear, the
periotic bone,
which is
unknown in
these genera except in Squalodon. The monophyly...
- ear, the
auditory bulla, is
composed of two
compact and
dense bones (the
periotic and tympanic). It is
housed in a
cavity in the
middle ear; in the Odontoceti...
-
Squalodelphinidae Squalodelphinidae indet. 3
right periotics and 3
right tympanic bullae. cf.
Squalodon cf. S. sp. A
periotic and
multiple teeth. A squalodontid. Waipatiidae...
-
partly separated by parietal; flat
dorsal surface of
periotic; long
posterior process of the
periotic; and
poorly developed ventromedial keel of the bulla...
-
preserved part of the
skull is 30 cm long with 4 cm long ear bones. The
periotic of
Miodelphinus shows a large,
posteriorly widened,
ventrally opening,...
-
consideration of
recent toothed whales based on the
morphology of the tympano-
periotic bone".
Scientific Reports of the
Whales Research Institute. 21: 1–103....
-
probably also
belongs to NMV P199986. NMV P173220
consists of a left
periotic bone. NMV P199587 is a
partial skeleton,
consisting of part of the head...
