Images Dated 2015 June

Prehistoric marine life of around 380 to 360 million years ago showing three carnivorous species

Prehistoric marine life of around 380 to 360 million years ago showing three carnivorous species (Dunkleosteus, Stethacanthus, Cladoselache spp.). Dunkleosteus, the largest, dark grey fish, measured up to 10 m. The Stethacanthus shark had an anvil-shaped dorsal fin, and Cladoselache at upper right was another shark, sleek and swift, resembling the present-day mackerel sharks

Elasmosaurus (Elasmosaurus sp.)

Elasmosaurus (Elasmosaurus sp.) one of a genus of plesiosaurs that existed in the Late Cretaceous period, 80.5 million years ago. It was about 14 m long with a very long neck and probably lived in the open ocean, giving birth to live young like modern sea snakes because its paddles were too rigid to allow it to come onto land. North America

Lake Hart, a salt lake of around 160 sq km

Lake Hart, a salt lake of around 160 sq km with remnants of a fence and discarded cart wheel. Sixty million years ago this was wet country, covered by forest. West of Woomera, South Australia

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