Dimetrodon limbatus with its distinctive neural

Dimetrodon limbatus with its distinctive neural spine sail on its back. Extinct species of non-mammalian synapsid of the Cisuralian (Early Permian). Dimetrodon incisivus Cope. Colour printed illustration by F. John from Wilhelm Bolsche's Tiere der Urwelt (Animals of the Prehistoric World), Reichardt Cocoa company, Hamburg, 1908

Animals Of The Prehistoric World Colour-printed Extinct Species F. John Natural History Pleistocene Prehistoric Animal Riesengursteltier Tiere Der Urwelt

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