Evolution of Amphibians By Pegram12 250 Frogs wet slimy skin 255 Toad dry bumpy skin 330 Caecilians worm-like 360 Lamprey jawless fish, funnel-like sucking mouth 412 Lobe-Finned Fish The first lobe-finned fish were living around 412 million years ago, 416 Lungfish gills and lungs