- The
parasphenoid is a bone
which can be
found in the
cranium of many vertebrates. It is an
unpaired dermal bone
which lies at the
midline of the roof of...
- The
singular parasphenoid is one of the few
dermal components of the braincase, a flat
plate below the basisphenoid. The
parasphenoid acts as a component...
- the roof of the skull.
Between the
pterygoids lay an elongated,
narrow parasphenoid bone,
which also
spread over some of the
lower surface of the braincase...
-
which the
dorsal fin has
independent rays, and a
posteriorly elongated parasphenoid.
Cladistia are the
earliest diverging branch of
living Actinopterygii...
- dentition,
lacking the
speciations seen in
latter species. It also has
parasphenoid palatal teeth, a
feature not seen in any
other choristodere. D. Sigogneau-Russell...
- America.
These fish are
characterized by the
presence of
teeth on the
parasphenoid. The
snakeheads and the
anabantoids are
united by the
presence of the...
- Most
unique features relate to the
palate (roof of the mouth). The
parasphenoid bone (which
forms the
floor of the braincase) is
large and wide, with...
-
found in
Temnospondyli and Nectridea) Wide
cultriform process of the
parasphenoid (also
found in some
Microsauria (Rhynchonkos) and Lysorophia) Presence...
- indentations, and
optic foramina that
typically traverse the frontal–parietal–
parasphenoid sutures. In the past, the
Colubridae were not a
natural group, as many...
-
division between the
ethmoid and
sphenoid processes, as well as
vomeral and
parasphenoid processes similar to
those of more
derived tetrapods. Eotetrapodiformes...
