Search results for: 'dure dure well tooth/'

An extinct extinct Oreodont jaw (Merycoidodon gracilis ) from Sioux Co., Nebraska. Merycoidodon gracilis was one of many mammals that thrived in the Early Oligocene in North America. Found in the Brule Fm. (Rupelian) 33 - 30 million years ago. A very well preserved specimen. No repair or restoration. Authenticity guaranteed. 

WR73      Size: 3-3/8"  long 

Name: Merycoidodon gracilis 

Age:  Oligocene

Location: Sioux Co., Nebraska

Note - Posting 49 Oligocene Mammal fossils in January 2025.      Link to Oligocene Mammal Fossils

An extinct extinct Oreodont jaw (Merycoidodon gracilis ) from Sioux Co., Nebraska. Merycoidodon gracilis was one of many mammals that thrived in the Early Oligocene in North America. Found in the Brule Fm. (Rupelian) 33 - 30 million years ago. A very well preserved specimen. No repair or restoration. Authenticity guaranteed. 

WR72      Size: 3-1/2"  long 

Name: Merycoidodon gracilis 

Age:  Oligocene

Location: Sioux Co., Nebraska

Note - Posting 49 Oligocene Mammal fossils in January 2025.      Link to Oligocene Mammal Fossils

An extinct extinct Oreodont jaw (Merycoidodon gracilis ) from Sioux Co., Nebraska. Merycoidodon gracilis was one of many mammals that thrived in the Early Oligocene in North America. Found in the Brule Fm. (Rupelian) 33 - 30 million years ago. A very well preserved specimen. No repair or restoration. Authenticity guaranteed. 

WR71      Size: 3-1/2"  long 

Name: Merycoidodon gracilis 

Age:  Oligocene

Location: Sioux Co., Nebraska

Note - Posting 49 Oligocene Mammal fossils in January 2025.      Link to Oligocene Mammal Fossils

A Top Quality Squalicorax falcatus tooth from Gove Co., Kansas. This specimen is on its original Niobrara Chaulk Fm. matrix. An excellent example of this Cretaceous shark. Authenticity guaranteed. Perfect tooth.

KS221            SIZE: 7/16"

Note - Adding 7 new S. falcatus teeth in April 2020.   Link to Kansas S. Falcatus teeth

An EXTRA LARGE, Top Quality Squalicorax curvatus tooth from Gove Co., Kansas. This specimen is on its original Niobrara Chalk matrix. An excellent example of this Cretaceous shark. Authenticity guaranteed. Perfect tooth.

KS201            SIZE: 7/16"

Note - Adding 7 new S. curvatus teeth in April 2020.   Link to Kansas S. Curvatus teeth

An ultra rare, Top Quality Polyrhizodus sp., an extinct primitive shark tooth, from the Paleozoic era in Kentucky. A May Fossil of the Month. Great color with an incredible rainbow iridescent scene on the crown. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An exceptional rare collector's tooth! 

Age: Upper Mississippian (330 MYA); Salem Limestone Fm.

Location: Hardin Co., Kentucky

Z036      SIZE: 13/16"

Adding 55 US Paleozoic teeth in May 2022  -->  Link to US Paleozoic teeth

An ultra rare, Top Quality Agassizodus sp., an extinct primitive shark tooth, from the Paleozoic era in Iowa. Great color with dimples preserved. A very well preserved specimen. No repair or restoration. Authenticity guaranteed. A rare excellent collector's tooth. I never seen this species offered for sale! 

Age: Upper Pennsylvanian (295 MYA); Kanwaka Fm.

Location: Montgomery Co., Iowa

Z002      SIZE: 1-3/16"

Adding 55 US Paleozoic teeth in May 2022  -->  Link to US Paleozoic teeth

An ultra rare, Top Quality Agassizodus sp., an extinct primitive Orodontid shark tooth, from the Paleozoic era in Nebraska. Great color with dimples preserved. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent rare collector's shark tooth. I have never seen this species offered for sale! 

Age: Upper Pennsylvanian (295 MYA); Dennis Fm.

Location: LaPlatte, Nebraska

Z001      SIZE: 1-1/8"

Adding 55 US Paleozoic teeth in May 2022  -->  Link to US Paleozoic teeth

An ultra rare, Top Quality Janassa bituminosa, an extinct primitive shark tooth, from the Paleozoic era in Nebraska. A May Fossil of the Month. Matrix free specimen - complete tooth! Great color. A very well preserved specimen. No repair or restoration. Authenticity guaranteed. An incredibly rare exceptional collector's tooth!  Note - This tooth is pictured in "A Pictorial Guide to Fossils" by Gerard R. Case; page 239.

Age: Upper Pennsylvanian (295 MYA); Kanwaka Fm.

Location: Cass Co., Nebraska

Z005 BoP     SIZE: 1-3/16"

Adding 55 US Paleozoic teeth in May 2022  -->  Link to US Paleozoic teeth

An ultra rare, EXTRA LARGE Top Quality Ctenacanthus artiensis tooth from the Paleozoic era in what is now Russia. A July Fossil of the Month. Great color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. A special collector's tooth!

Age: Lower Permian (284 MYA), Arty Fm.

Location: Krasnoufimsk, Russia

R017       SIZE: 13/16" height  (13/16" wide)

Adding 65 Russian Paleozoic teeth in July 2021.  Link to Russian Paleozoic teeth.

An ultra rare, EXTRA LARGE Top Quality Ctenacanthus artiensis tooth from the Paleozoic era in what is now Russia. A July Fossil of the Month. Great color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. A very special collector's tooth!

Age: Lower Permian (284 MYA), Arty Fm.

Location: Krasnoufimsk, Russia

R018       SIZE: 13/16" height  (13/16" wide)

Adding 65 Russian Paleozoic teeth in July 2021.  Link to Russian Paleozoic teeth.

An ultra rare, Top Quality Campodus krasnopolskyi tooth from the Paleozoic era in what is now Russia. A July Fossil of the Month. Great color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. A very special collector's tooth! 

Age: Lower Permian (284 MYA); Arty Fm.

Location: Asha, Russia

R170     SIZE: 1-1/8" wide  (5/16" height)

Adding 65 Russian Paleozoic teeth in July 2021.  Link to Russian Paleozoic teeth.