As far as I remember, it was neither. The infant
Coelophysis was acutally just underneath the adult,
not within the gut region.
That's the one specimen. The other is inside the rib cage -- but it's not a
*Coelophysis*, it's something more closely related to the crocodiles than to
the dinosaurs (perhaps *Effigia* or suchlike). Search the archives
(http://dml.cmnh.org) for more information.