- thin area of the
braincase that is
formed by deep
depressions on the
basisphenoids. Smok has
several features that are
shared with both
dinosaurs and crocodile-line...
-
singular basisphenoid forms the
front lower part of the braincase, in
front of the
basioccipital and
below the prootics. Each side of the
basisphenoid hosts...
-
frontal bones and the
united parietal bones extending downward to the
basisphenoid,
which is
large and
extends forward into a
rostrum extending to the ethmoidal...
-
sphenethmoid bone
helping to
protect the
olfactory nerves. Finally, the
basisphenoid bone
formed part of the
floor of the
braincase and lay
immediately above...
-
pterygoid cavity was
large and concave, and was
broader posteriorly. The
basisphenoids, two
bones that lie
between the
basioccipital and
presphenoid bones...
- and
large hypotympanic sinus widely separating promontorium from the
basisphenoid, (4)
internal carotid entering the
bulla posteriolaterally and enclosed...
-
Tylosaurus based on the
shape of the premaxilla, the
proportions of the
basisphenoid, and the
arrangement of the
teeth on the pterygoid. However, the specimen...
- bones, such as the frontals, parietals, postorbital, basioccipital, and
basisphenoid, four vertebrae, four ribs, some chevrons, gastralia, a
fairly complete...
- only
extensive basicranial pneumaticity, but also the
development of a
basisphenoid bulla (hollow bony structure). In addition, the
orientation of the horizontal...
-
pterygoid prevents the
palatine from
articulating medially with the
basisphenoid. The
palatine and
pterygoid fuse into a
rigid joint. The articulation...