Named By: Robert Broom - 1914.
Classification: Chordata, Reptilia, Diapsida, Neodiapsida, Younginidae.
Species: Y. capensis (type).
Size: Skull up to 7 centimetres long. Body roughly estimated at around 1.4 meters long.
Known locations: South Africa - Balfour Formation & Teekloof Formation.
Time period: Wuchiapingian to Changhsingian of the Permian.
Fossil representation: A few individuals.
Youngina is a genus of diapsid reptile that lived in what is now South Africa during the late Permian. The skull is roughly triangular with a snout that is about half the total length of the skull. The teeth are conical and well developed, and may have been used for killing larger invertebrates and small vertebrates.
- A new Thecodont Reptile - Proceedings of the Zoological Society of London 1914:1072-1077 - Robert Broom - 1914.
- Notes on the skull of Youngina capensis Broom - Journal of Geology, 44 (4): 523-533 - E. C. Olsen - 1936.
- The morphology and relationships of Youngina capensis Broom and Prolacerta broomi Parrington - Palaeontologia Africana, 18:89-131 - C. E. Gow - 1975.
- The braincase of Youngina capensis (Reptilia: Diapsida; Permian), N. Jahrb. - Geol. Paläont. Monats. 1984: 193-203 - S. E. Evans - 1987.
- Acanthotoposaurus bremneri and the origin of the Triassic archosauromorphreptile fauna of South Africa - South African journal of science, vol. 96, no. 8. - R. R. Reisz, S. P. Modesto & D. Scott - 2000.
- The enigmatic diapsid Acerosodontosaurus piveteaui (Reptilia: Neodiapsida) from the Upper Permian of Madagascar and the paraphyly of "younginiform" reptiles - Canadian Journal of Earth Sciences, 46 (9): 651-661 - Bickelmann, Müller & Reisz - 2009.
- The braincase of Youngina capensis (Reptilia, Diapsida): New insights from high-resolution CT scanning of the holotype. - Paleonotologica Electronica 13(3) - N . M. Gardner, C. M. Holliday & F. R. O'Keefe - 2010.