Ancient Australia: The Story of Its Past Geography and Life

abundant animals Australian Museum Basin beds beneath bivalves Cambrian Cambrian Period Carboniferous cephalopods Coal Measures coal seams coast composed contain coral reefs covered creatures Cretaceous crinoids deposited Devonian discovery district east eastern Eocene erosion evidence existed extended extinct feet in thickness feet thick ferns fish folded formation fossils freshwater genera geologists glacial glaciers Gulf high land Ice Age ice-sheet insects Jurassic known lakes lamp-shells later lava limestone living localities mainly Map of Australia marine fossils marine rocks miles Miocene Mount mountains nearly northern ocean Ordovician organisms outcrops Palaeozoic Permian Permian Period places plants Plate Pleistocene Pliocene preserved probably Proterozoic Queensland Range remains reptiles River sand sandstone sea-level sediments Series shales shallow shells Silurian similar South Australia South Wales southern species specimens stage strata subsidence surface swamps Sydney Tableland Tasmania Triassic trilobites Victoria Western Australia whole Yass Yilgarnia