Named By: Robert Broom - 1907.
Classification: Chordata, Synapsida, Amniota.
Species: A. parvidens (type).
Known locations: South Africa.
Time period: Triassic.
Fossil representation: Partial remains.
Arnognathus was a genus of non-mammalian synapsid that lived in South Africa during the Triassic.
- On Some New Fossil Reptiles from the Karroo Beds of Victoria West, South Africa. - Transactions of the South African Philosophical Society 18:31-42. - Robert Broom - 1907.