Dimetrodon
From Tardis Wiki, the free Doctor Who reference
The Dimetrodon was a type of mammal-like reptile. The Dimetrodon was worth 600 points in the I-Spyder Book of Earth Creatures if it was spotted. The last Dimetrodon was an exhibit in the Museum of the Last Ones. (PROSE: The Last Dodo [+]Loading...["The Last Dodo (novel)"])
