South African paleontologist Lieuwe Dirk Boonstra discovered the gorgonopsian skull and lower jaw in South Africa's semi-arid desert, the Karoo, in 1940, but its genus, possibly Arctognathus, remains unclear.
South African paleontologist Lieuwe Dirk Boonstra discovered the gorgonopsian skull and lower jaw in South Africa's semi-arid desert, the Karoo, in 1940, but its genus, possibly Arctognathus, remains unclear.