English: A 43 ft. (13 m) complete fossil specimen of Mosasaur species Tylosaurus proriger (with a human for scale) on display at the Academy of Natural Sciences in Philadelphia.
2010-06-16 23:48 Stalmannen 640×480× (254390 bytes) {{Information |Description = A complete fossil of Mosasaur species Tylosaurus (with a human for scale) on display at the Academy of Natural Sciences in Philadelphia. |Source = I created this work entirely by myself. |Date = June 9,
{{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|A 43 ft. (13 m) complete fossil specimen of Mosasaur species Tylosaurus proriger (with a human for scal