"fossil" . . . "Diplovertebron"@en . . . . . . . "Diplovertebron is an extinct genus of Anthracosauria (Labyrinthodont) that lived in the Late Carboniferous period (Moscovian) (300 million years ago). Diplovertebron was a medium-size animal, 60 cm in length.Its skull produced a tapering triangle, like a small-scale replica of a crocodile's skull."@en .