Koolasuchus

Koolasuchus is an extinct genus of brachyopoid temnospondyl in the family Chigutisauridae. Fossils have been found from Victoria,Australia and date back 120 Ma to the Aptian stage of the Early Cretaceous. Koolasuchus is the latest known temnospondyl. Koolasuchusis known from several fragments of the skull and other bones such as vertebrae, ribs, and pectoral elements. The type species K. cleelandi was named in 1997.

The Koolasuchus was an aquatic temnospondyl estimated to have been around 4 to 5 metres (13 to 16 ft) in length. Its mass has been estimated to be up to 500 kilograms (1,100 lb). Although represented by incomplete material, the skull was likely 65 centimetres (26 in) long. Like other chigutisaurids, it had a wide, rounded head and tabular horns projecting from the backside of the skull.