The different marine faunas originated in a series of inland seas, which formed across central eastern Australia between 140 and 100 million years ago, and which mirror fluctuations in sea levels around the world. The vast shallow inland seas, teeming with life, are the most characteristic feature of the Cretaceous Period in Queensland.
Images and text from: In Search of Ancient Queensland.
Principal Authors: Dr Alex Cook and Dr Andrew Rozefelds.
Published by the Queensland Museum, 2015
Photographer: Peter Waddington.