Several pairs of belly ribs were preserved.
Between its two limb girdles was a massive mesh of gastralia (belly ribs) that provided additional strength and support.
Bucky also has a nearly complete set of gastralia, or belly ribs, and an ulna, or lower arm bone.
The fact that these bones were belly ribs (gastralia), which are very rarely found articulated, supported this interpretation.
Multiple ribs bear healed fractures and the specimen had a pseudoarthortic belly rib.
Plesiosaurus also has gastralia, also known as "belly ribs."
There are five pairs of belly ribs.
Allosaurus had gastralia (belly ribs), but these are not common findings, and they may have ossified poorly.
These birds retained primitive features like gastralia (belly ribs) and a pubic symphysis.
The authors state that eighteen detached belly ribs are present in the matrix.