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Gastralia (sg.: gastralium) are
dermal bones found in the
ventral body wall of
modern crocodilians and tuatara, and many
prehistoric tetrapods. They are...
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Pappochelys has
paired gastralia, like
those found in E. afric****.
Pappochelys is
different from its
ancestor because the
gastralia show
signs of having...
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Allosaurus had
gastralia (belly ribs), but
these are not
common findings, and they may have
ossified poorly. In one
published case, the
gastralia show evidence...
- surfaces.
gastralia Gastralia (singular: gastralium) are
dermal bones present within the
dermis of the
abdomen between the
sternum and pubis.
Gastralia are...
- the
plastron is
formed from
bones of the
shoulder girdle, sternum, and
gastralia (abdominal ribs).
During development, the ribs grow
sideways into a carapacial...
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including fragments of
gastralia,
found by a Korean-Mongolian team
which re-located the
original quarry in 2008. Bite
marks on two
gastralia were identified...
- only
living tetrapod with well-developed
gastralia and
uncinate processes. In the
early tetrapods, the
gastralia and ribs with
uncinate processes, together...
- of the
dorsal vertebrae, most of the tail, most of the
dorsal ribs and
gastralia,
nearly complete fore limbs, and
several bones of the
lower hind limbs...
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their bodies were
scaleless (except
their bellies,
where they
remained as
gastralia). Many
evolutionary changes occurred at this stage:
eyelids and tear glands...
-
lower temporal fenestrae are
secondarily closed.
Choristoderes possessed gastralia (rib-like
bones situated in the abdomen) like
tuatara and crocodilians...
