Novapiscaes (new fish) are xenotetrapods that have re-developed gills through atavism. Most of them are carnivores.
Xenoelk
Xenoelks are ginormous creatures living on the savannas of Kryptona. They reach sizes of 20-60 feet long, or 15-45 feet tall (excluding the antlers). They have huge claws to dig up the Kryptona grass and their 3 antlers to fight. Their tails have thickened and formed a proto-leg.

Scindopod
Scindopods are split-footed giant herd herbivores of the savannas of Kryptona. They are 30 feet long.
