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Phytosaur Machaeroprosopus Lottorum

WATCH: 'Swamp Monster' Skull Discovered On Site Of Prehistoric Forest

LiveScience | Stephanie Pappas | Posted 01.30.2014 | Science

A toothy, long-nosed skull found in Texas belonged to a "swamp monster" that lived more than 200 million years ago. The creature is a previously unkn...