-
apparatus firmly sutured to the
basioccipital and the
sensory canal on the
posttemporal enclosed with bone.
There are
currently 7
recognized species in this...
- Also
absent are the premaxilla, orbitosphenoid, parietal, symplectic,
posttemporal, and
supratemporal bones, the gill rakers, and the
branchiostegal rays...
-
distinct and
narrow longitudinal ridge, the
sagittal nuchal crest. The
posttemporal fenestrae, a pair of
openings between the
parietal and the occipital...
-
lamina only
present in the gar species. Near the
supracleithrum is the
posttemporal bone,
which is
significantly smaller than
other actinopterygians. Gars...
-
spines and the parietal,
lower posttemporal and
supracleithral spines are all well developed.
There is no
upper posttemporal spine,
although a
small spine...
- the
parietal organ, and thus
served for photoreception.
posttemporal fenestra The
posttemporal fenestra (alternative spelling: post-temporal fenestra)...
-
compressed towards the rear with a
narrow ontraorbital space. The
upper posttemporal and
upper opercular spines are simple. The
occipital pit is
either absent...
-
occipital condyles, the
neomorphic bone
forms most of the
border of the
posttemporal fenestra, the
paroccipital process is
strongly deflected downwards, the...
-
structure on the
upper edge of the
paroccipital process encases the
posttemporal fenestra. The rear of the
skull is
fused on its
upper edge with a pair...
- with no
clear ridges/
There are
spines on the supraocular, parietal,
posttemporal, opercular, and
preopercular bones in the head. The
large mouth is positioned...
