Ritchie, R.Slaughter, B.2010-02-152010-02-151976http://hdl.handle.net/1969.3/1957216 p.Fossil vertebrates recovered from the Pleistocene deposits of the late Sangamon interglacial are listed. Direct correlation is suggested for this assemblage with the Clear Creek Local Fauna which dates near the end of the T-2 terrace deposition on the Elm Fork of the Trinty River. Survey of the Ozan formation (Upper Cretaceous) recovered a well preserved, fragmented skull of the largest speciment of Tylosaurus proriger, the largest known mosasaur.reservoirspaleontologysedimentationTylosaurus prorigerBook