Horse
Mesohippus
[Jaw Section with Teeth]
Oligocene
NEBRASKA
Photographed by Michael P. Klimetz
Photographed by Michael P. Klimetz
Oreodont
Merycoidodon
[Complete Skull in Matrix]
Oligocene
NEBRASKA
Photographed by Michael P. Klimetz
Camel
Hemiauchenia
[Partial Limb Bone in Matrix]
Pliocene
ARIZONA
Photographed by Michael P. Klimetz
Cave Bear
Ursus spelaeus
[Mandibular Molar]
Pleistocene
Ural Mountains
RUSSIA
Gift of Sara Popko
John Dewey High School Class of 2009
Photographed by Michael P. Klimetz
Cave Bear
Ursus spelaeus
[Mandibular Molar]
Pleistocene
Ural Mountains
RUSSIA
Gift of Sara Popko
John Dewey High School Class of 2009
Photographed by Michael P. Klimetz
Cave Bear
Ursus spelaeus
[Mandibular Molar Crown]
Pleistocene
Ural Mountains
RUSSIA
Gift of Sara Popko
John Dewey High School Class of 2009
Photographed by Michael P. Klimetz
Whale (Cetacean) Vertebrae
Miocene-Pliocene
Yorktown and Pungo River Formations
Lee Creek Mine
Aurora
Beaufort County
NORTH CAROLINA
Photographed by Michael P. Klimetz
Rabbit
Paleolagus haydeni
[Lower Jaw]
Oligocene
Brule Formation
Converse County
WYOMING
Photographed by Michael P. Klimetz
Rabbit
Paleolagus haydeni
[Lower Jaw]
Oligocene
Brule Formation
Converse County
WYOMING
Photographed by Michael P. Klimetz
Rabbit
Paleolagus haydeni
[Lower Jaw]
Oligocene
Brule Formation
Converse County
WYOMING
Photographed by Michael P. Klimetz
Pantodont
Coryphodon
[Molar]
Lower Eocene-Wasatchian
Powell
WYOMING
Photographed by Michael P. Klimetz
Horse
Eohippus
[M4 Molar]
Wilwood Formation
Eocene
WYOMING
Photographed by Michael P. Klimetz
Camel
Poebrotherium wilsoni
[Partial Jaw]
Oligocene
Orella Member
Brule Formation
White River Group
Sioux County
NEBRASKA
Photographed by Michael P. Klimetz
Camel
Poebrotherium wilsoni
[Partial Jaw]
Oligocene
Orella Member
Brule Formation
White River Group
Sioux County
NEBRASKA
Photographed by Michael P. Klimetz
Camel
Poebrotherium wilsoni
[Partial Jaw]
Oligocene
Orella Member
Brule Formation
White River Group
Sioux County
NEBRASKA
Photographed by Michael P. Klimetz
Oreodont
Merycoidodon culbertsoni
[Complete Juvenile Skull]
Oligocene
Brule Formation
White River Group
Sioux County
NEBRASKA
Photographed by Michael P. Klimetz
Oreodont
Merycoidodon culbertsoni
[Complete Juvenile Skull]
Oligocene
Brule Formation
White River Group
Sioux County
NEBRASKA
Photographed by Michael P. Klimetz
Oreodont
Merycoidodon culbertsoni
[Complete Juvenile Skull]
Oligocene
Brule Formation
White River Group
Sioux County
NEBRASKA
Photographed by Michael P. Klimetz
Bison
[Distal End of Radius]
Pliocene-Blancan
Glens Ferry Formation
Oreana
Owyhee County
IDAHO
Photographed by Michael P. Klimetz
Bison
[Distal End of Radius]
Pliocene-Blancan
Glens Ferry Formation
Oreana
Owyhee County
IDAHO
Photographed by Michael P. Klimetz
Auroch
Bos primigenius primigenius
[Metatarsal]
Pleistocene
Dredged from North Sea
THE NETHERLANDS
Photographed by Michael P. Klimetz
Oreodont
Merycoidodon culbertsoni
[Leg Bone End - Humerus Proximal]
Oligocene
White River Formation
Pennington County
SOUTH DAKOTA
Photographed by Michael P. Klimetz
Oreodont
Merycoidodon culbertsoni
[Leg Bone End - Humerus Proximal]
Oligocene
White River Formation
Pennington County
SOUTH DAKOTA
Photographed by Michael P. Klimetz
Oreodont
Merycoidodon culbertsoni
[Leg Bone End - Humerus Proximal (Interior)]
Oligocene
White River Formation
Pennington County
SOUTH DAKOTA
Photographed by Michael P. Klimetz
Oreodont
Merycoidodon culbertsoni
[Leg Bone End - Humerus Proximal (Interior)]
Oligocene
White River Formation
Pennington County
SOUTH DAKOTA
Photographed by Michael P. Klimetz
Oreodont
Merycoidodon culbertsoni
[Leg Bone End - Humerus Proximal (Interior)]
Oligocene
White River Formation
Pennington County
SOUTH DAKOTA
Photographed by Michael P. Klimetz
Rhinoceros
Hyracodon nebraskensis
[Teeth in Upper (Maxillary) Jawbone]
Oligocene
White River Formation
Pennington County
SOUTH DAKOTA
Photographed by Michael P. Klimetz
Rhinoceros
Hyracodon nebraskensis
[Teeth in Upper (Maxillary) Jawbone]
Oligocene
White River Formation
Pennington County
SOUTH DAKOTA
Photographed by Michael P. Klimetz
Rhinoceros
Hyracodon nebraskensis
[Teeth in Upper (Maxillary) Jawbone]
Oligocene
White River Formation
Pennington County
SOUTH DAKOTA
Photographed by Michael P. Klimetz
Rhinoceros
Hyracodon nebraskensis
[Teeth in Upper (Maxillary) Jawbone]
Oligocene
White River Formation
Pennington County
SOUTH DAKOTA
Photographed by Michael P. Klimetz
Rhinoceros
Hyracodon nebraskensis
[Teeth in Upper (Maxillary) Jawbone]
Oligocene
White River Formation
Pennington County
SOUTH DAKOTA
Photographed by Michael P. Klimetz
Rhinoceros
Hyracodon nebraskensis
[Teeth in Upper (Maxillary) Jawbone]
Oligocene
White River Formation
Pennington County
SOUTH DAKOTA
INTERPRETATION
Hyacodon nebraskensis
Mural by Charles R. Knight
Photographed by Michael P. Klimetz
Oreodont
Merycoidodon culbertsoni
[Teeth in Lower (Mandibular) Jawbone]
Oligocene
White River Formation
Pennington County
SOUTH DAKOTA
Photographed by Michael P. Klimetz
Oreodont
Merycoidodon culbertsoni
[Teeth in Lower (Mandibular) Jawbone]
Oligocene
White River Formation
Pennington County
SOUTH DAKOTA
Photographed by Michael P. Klimetz
Oreodont
Merycoidodon culbertsoni
[Teeth in Lower (Mandibular) Jawbone]
Oligocene
White River Formation
Pennington County
SOUTH DAKOTA
Photographed by Michael P. Klimetz
Oreodont
Merycoidodon culbertsoni
[Teeth in Lower (Mandibular) Jawbone]
Oligocene
White River Formation
Pennington County
SOUTH DAKOTA
Photographed by Michael P. Klimetz
Oreodont
Merycoidodon culbertsoni
[Teeth in Lower (Mandibular) Jawbone]
Oligocene
White River Formation
Pennington County
SOUTH DAKOTA
Photographed by Michael P. Klimetz
Oreodont
Merycoidodon culbertsoni
[Teeth in Lower (Mandibular) Jawbone]
Oligocene
White River Formation
Pennington County
SOUTH DAKOTA
Photographed by Michael P. Klimetz
Oreodont
Merycoidodon culbertsoni
[Teeth in Lower (Mandibular) Jawbone]
Oligocene
White River Formation
Pennington County
SOUTH DAKOTA
Photographed by Michael P. Klimetz
Oreodont
Merycoidodon culbertsoni
[Teeth in Lower (Mandibular) Jawbone]
Oligocene
White River Formation
Pennington County
SOUTH DAKOTA
