Well I can actually see something in the left chip, which looks like what
one might expect a hatchling pterosaur to look like.
A third one is between the legs of its
mother having just been delivered. The wings form soft curves filling
the area bordered by the legs, posteriorly both wings point toward
mama's vent
Are you sure that the "soft curves", especially the top curve, are not just
impressions of soft tissue of the large individual, uropatgia perhaps?