- the front.
These segments are
equal in size. Most
other tetrapods have
pleurocentra and
intercentra which are
drastically different in size and shape. Embolomeres...
- as each
vertebra is
divided into
several parts (intercentrum,
paired pleurocentra,
neural arch),
although this
occurs widely among other early tetrapods...
-
intercentra below the
notochord and
smaller paired though prominent pleurocentra on each side
above and behind,
forming anchoring points for the ribs...
-
intercentra (the
forward portion of each vertebra) were
smaller than its
pleurocentra (the rear portion). He used the
group Anthracosauria to encomp**** embolomeres...
-
multiple components: an
intercentrum (wedge-shaped
front lower piece), two
pleurocentra (upper rear piece), and a
vertebral arch/spine (upper projection). The...
-
between the two or
fused to the pleurocentrum. In nectrideans, only the
pleurocentra are present, and the
neural spines are
completely fused to them. Their...
-
rhachitomes in that
their pleurocentra have
descended to a more
ventral position in the
vertebral column. The
pleurocentra enlarged in reptiliomorphs...
-
temnospondyls have
large intercentra and
small pleurocentra,
Caerorhachis and
anthracosaurs have
larger pleurocentra than intercentra. A 2003
phylogenetic analysis...
-
intercentra of
cervical and
thoracic vertebra are
fully ossified. The
pleurocentra are not
preserved and no
evidence is
found that they were
present as...
-
rhachitomous vertebrae; the
largest subgroup, Stereospondyli,
lacks pleurocentra.
Below is a
cladogram from Schoch's
analysis showing the
placement of...
