Fossil mammal: Leptauchenia decora

1857 RAILROAD 1ed Pacific Exploration FOSSILS Mammals Zoology Geology RARE Beginning in 1855, the United States Congress published reports and surveys of certain railroad routes from the Mississippi R

Leptauchenia decora Cenozoic Era, Paleogene Period, Oligocene Epoch, 33.9 million years ago Chadron Formation, South Dakota overall height 4 in. x length 9 in. Provenance  from the Steve Dowell Col

Western United States. Very nicely prepared specimen skull. L4 1/4" H3" W3 1/4" Sold from the collection of Alan H. Shoemaker, Columbia, South Carolina.

Three prehistoric fossil Jawbones2 Piglike mammals and possibly a bison like ancestor. Found in Nebraska. Approximately 38 Million yeqrs oldLargest Measures 7 x 2.5 x 1" approx

Megatherium americanum. Argentina, ca. Pleistocene (2.4 myo - 11,000 yo). Very fine example of an enormous claw from one of the largest land mammals ever to have existed. Custom stand included. MEASUR

Moroccan Jurassic fossil with five starfish and great detail. 7” x 8.5” x 1”. 3.1 pounds.

Exceptional Moroccan Jurassic fossil with three starfish and great detail.

Scyphocrinite fossil plate from Morocco.

Twelve pound unpolished Texas ammonite fossil. 8.5" x 10" x 3".

Large 24" orthoceras fossil tower. 24" x 6" x 5". 22.8 pounds.

Ten Knightia fish fossil from the Green River in Wyoming. 3.13 pounds.

Eighteen pound orthoceras fossil plate.

Carved orthoceras fossil horn from Morocco.

Moroccan Jurassic three starfish fossil. 4" x 7.75" x 0.5". 1.1 pounds.

Twenty-one inch orthoceras fossil tower. 17.13 pounds.

Twenty inch orthoceras fossil tower. 20" x 5" x 4". 21 pounds.

Carved orthoceras fossil horn from Morocco. 7.5" x 9" x 3". 8.1 pounds.

Twenty-two inch tall orthoceras fossil tower.

Polished, split ammonite fossil pair with lovely internal crystallization. Height/width/depth measurements are of one of the halves. Weight is of both combined.

Large fish fossil plate from the Green River in Wyoming.

Large fish fossil plate from the Green River in Wyoming. 1.13 pounds.

Large three fish fossil plate from the Green River in Wyoming. 6.5” x 12.25” x .5”. 2.10 pounds.

Large fish fossil plate from the Green River in Wyoming. 8” x 10” x .5”. 2.12 pounds.

Eleven Knightia fish fossil plate from the Green River in Wyoming. One pound.