Trollart on Tiktaalik

People have been talking about the discovery of two more new gaps in the fossil record of the fish-tetrapod transition, which occurred when scientists found a predicted intermediate fossil, which they named Tiktaalik. Well, Alaskan artist Ray Troll, at his website, has gone one better and illustrated the T-shirt version already:

Hat-tip to Glenn Branch. Glenn also asks: who is the third hand?