<Table> <Tr> <Td> </Td> <Td> <P> Captorhinidae and Protorothyrididae (extinct) </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> Diapsids </Td> <Td> <Table> <Tr> <Td> </Td> <Td> <P> Araeoscelidia (extinct) </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> <Table> <Tr> <Td> </Td> <Td> <P> Squamata (lizards and snakes) </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> Archosaurs </Td> <Td> <Table> <Tr> <Td> </Td> <Td> <P> Extinct archosaurs </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> <P> Crocodilians </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> <Table> <Tr> <Td> </Td> <Td> <P> Pterosaurs (extinct) </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> Dinosaurs </Td> <Td> <Table> <Tr> <Td> </Td> <Td> <Table> <Tr> <Td> Theropods </Td> <Td> <Table> <Tr> <Td> </Td> <Td> <P> Extinct theropods </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> <P> Birds </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> <P> Sauropods (extinct) </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> <P> Ornithischians (extinct) </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td> </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> <P> Captorhinidae and Protorothyrididae (extinct) </P> </Td> </Tr> <P> Captorhinidae and Protorothyrididae (extinct) </P> <Tr> <Td> Diapsids </Td> <Td> <Table> <Tr> <Td> </Td> <Td> <P> Araeoscelidia (extinct) </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> <Table> <Tr> <Td> </Td> <Td> <P> Squamata (lizards and snakes) </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> Archosaurs </Td> <Td> <Table> <Tr> <Td> </Td> <Td> <P> Extinct archosaurs </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> <P> Crocodilians </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> <Table> <Tr> <Td> </Td> <Td> <P> Pterosaurs (extinct) </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> Dinosaurs </Td> <Td> <Table> <Tr> <Td> </Td> <Td> <Table> <Tr> <Td> Theropods </Td> <Td> <Table> <Tr> <Td> </Td> <Td> <P> Extinct theropods </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> <P> Birds </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> <P> Sauropods (extinct) </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> <P> Ornithischians (extinct) </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td> </Td> </Tr> </Table> </Td> </Tr>

What is the history of life on earth