-
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...
- the braincase,
formed by a very wide,
rounded basisphenoid bone. A deep
notch called the
basisphenoid recess cuts into the back of this funnel. Above...
- elements, such as
spines supporting the anal fin, ribs, nasals, and
basisphenoid. The
earliest fossils of
anglerfish are from the Eocene,
excavated from...
- (including birds), it
fuses to the
endochondral (cartilage-derived)
basisphenoid bone of the
lower braincase,
forming a bone
known as the parabasisphenoid...
-
nostrils are
placed far to the rear. At the
underside of the braincase, the
basisphenoid, the
basipterygoid processes are
longitudinally stretched.
Gastonia had...
- the
cultriform processes of the parasphenoids. The
parasphenoid and
basisphenoid are fused,
except for the most anterior/dorsal end of the
fused bones...
- have
reduced or even
missing articular and
mesopterygoid teeth, and the
basisphenoid and
orbitosphenoid bones are
entirely absent.
Their scales lack radii...
-
pterygoidei formed by the
basisphenoid, pterygoid, prootic, and
quadrate [bones],
underlain by the
pterygoid and
basisphenoid." The
pocnemid family dates...
