Am I done yet? 62 frames saved over the previous submission candidate. These hot takes are backed up by FractalFusion's adjacency lists. Thank you for those!
Crested Duckbill (11)
Saved 24 frames by fixing a gray chest region that could obviously have been yellow. It was right along the way, too.
Saved another 6 by swapping the gray and yellow mouth regions.
30 total
Mini Stego (13)
Saved 22 frames from changing that one spike to yellow.
T-Rex (14)
Saved 10 frames by changing that one toenail to pink.