570 vanished lives

490Paleozoic

External gills and a long body show a temnospondyl that remained aquatic throughout life.

491Paleozoic

A broad head, strong trunk and compressed tail belonged to a large freshwater predator.

526Paleozoic

A tiny body and retained gill structures marked a branchiosaurid amphibian.

527Paleozoic

A short trunk, mobile neck and ear region approach the body plan of modern amphibian ancestors.

529Paleozoic

A broad flat head, strong trunk and compressed tail belonged to a large aquatic predator.

560Paleozoic

A broad flat skull and dense pointed teeth belonged to a large aquatic temnospondyl.