On this entry of Prehistoric Kingdom Candidates, the Tiny Triassics, perfect for mini-exhibits. Admitted, there are a couple of Jurassic animals, but they belong to typical Triassic fauna. Description and poll in the comments.
The drowned continent of Zealandia is one of my favorite areas of the world, for both the flora and fauna.
I love birds, and New Zealand and New Caledonia are dominated by an impressive array of them. Even with many of the most interesting now extinct, you still have the only corvid observed...