Abstract The Karoo Supergroup covers almost two thirds of the present land surface of
southern Africa. Its strata record an almost continuous sequence of continental
sedimentation that began in the Permo-Carboniferous (280 Ma) and terminated in the early
Jurassic 100 million years later. The glacio-marine to terrestrial sequence accumulated in a
variety of tectonically controlled depositories under progressively more arid climatic
conditions. Numerous vertebrate fossils are preserved in these rocks, including fish …