Fig. 1
Vertebrate forelimb homology diagram (from Lull 1947). a Salamander. b Ichthyosaur. c Dolphin. d Pterosaur. e Bird. f Bat
Fig. 1 | Evolution: Education and Outreach
Vertebrate forelimb homology diagram (from Lull 1947). a Salamander. b Ichthyosaur. c Dolphin. d Pterosaur. e Bird. f Bat