<Tr> <Td> 200 Ma </Td> <Td> The first accepted evidence for viruses that infect eukaryotic cells (at least, the group Geminiviridae) existed . Viruses are still poorly understood and may have arisen before "life" itself, or may be a more recent phenomenon . <P> Major extinctions in terrestrial vertebrates and large amphibians . Earliest examples of armoured dinosaurs </P> </Td> </Tr> <P> Major extinctions in terrestrial vertebrates and large amphibians . Earliest examples of armoured dinosaurs </P> <Tr> <Td> 195 Ma </Td> <Td> First pterosaurs with specialized feeding (Dorygnathus). First sauropod dinosaurs . Diversification in small, ornithischian dinosaurs: heterodontosaurids, fabrosaurids, and scelidosaurids . </Td> </Tr> <Tr> <Td> 190 Ma </Td> <Td> Pliosauroids appear in the fossil record . First lepidopteran insects (Archaeolepis), hermit crabs, modern starfish, irregular echinoids, corbulid bivalves, and tubulipore bryozoans . Extensive development of sponge reefs . </Td> </Tr>

What is the order of evolution of life forms on earth