Named By: Christian A. Sidor, J. Sébastien Steyer & William R. Hammer - 2014.
Classification: Chordata, Amphibia, Temnospondyli, Stereospondyli, Capitosauria, Mastodonsauroidea.
Species: A. polyodon (type).
Known locations: Antarctica - Fremouw Formation.
Time period: Olenekian of the Triassic.
Fossil representation: Skull.
Antarctosuchus is noted for having relatively small teeth, which may indicate a specialisation towards hunting smaller animals. The strongly developed sensory canals in the skull also suggest that Antarctosuchus was hunted primarily in the water.
- A new capitosauroid temnospondyl from the Middle Triassic upper Fremouw Formation of Antarctica. - Journal of Vertebrate Paleontology 34 (3): 539. - Christian A. Sidor, J. Sébastien Steyer & William R. Hammer - 2014.