Creature of the Week #385: Spear headed, Hammered mouthed, Ambusher
The amphibians of the Carboniferous were quite diverse. However, only a few survived and evolved into our time, including the Huneoc(Hastacephalus malleos). Should you find yourself in the Carribean islands, this is the last thing you want to encounter.
It is an ambush predator. The Huneoc has skin with the same pattern and colors of island sand, so it hides under the sand until it's sensory pits feel something. A powerful reflex while cause it to rapidally rise up and discombobulate the disturbance. If it's prey, the Huneoc will hammer it to death with it's hammer shaped chin.
If it's not prey, but instead a more dangerous animal, the Huneoc is just like...O_o