Gerrothorax

Gerrothorax ( "crate") is Greenland, Germany, Sweden and Thailand may Triassic temnospondyli an extinct genus of amphibians. It is known from a single species, G sea urchins, although several other species such as G. pustulo grass over naming. Gerrothorax about 1 meter (3.3 feet) long and has a remarkable flat body. It may hide in the sand or mud at the bottom of rivers and lakes, scan their large eyes upward prey.