Search results for: 'brule mako late some'

An extinct early Dog-like Canid jaw (Hesperocyon gregarius) from Sioux Co., Nebraska. Hesperocyon gregarius 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. This item comes witha 2"x 2" floating frame display.

WR42        Size: 1-3/16"  

Name: Hesperocyon gregarius

Age:  Oligocene

Location: Sioux Co., Nebraska

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

An extinct early Dog-like Canid jaw (Hesperocyon gregarius) from Sioux Co., Nebraska. Hesperocyon gregarius 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. This item comes witha 2"x 2" floating frame display.

WR41       Size: 1-1/4"  

Name: Hesperocyon gregarius

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 culbertson) from Converse Co., Wyoming. Merycoidodon culbertson  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. 

WR61       Size: 4-5/8"  long x 1-1/4" wide x 1-1/2" height

Name: Merycoidodon culbertson

Age:  Oligocene

Location: Converse Co., Wyoming

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

A Top Quality, Carcharodon hastalis,  Mako shark tooth (upper jaw tooth) from the Lee Creek mine, Aurora, No. Carolina. Note - This tooth has short pathologic ribs in the enamel. Possibly an attempt to create serrations. There have been some C. hubellii GW transition teeth found in the mine.  This tooth has a rich tan crown and a light tan colored root. Excellent colors!  Razor sharp cutting edge. Excellent preservation - note nutrient hole on root. It is a Pliocene tooth from the Yorktown Fm. An excellent collector's tooth. Authenticity guaranteed.

LC328      Size: 1-3/4"

Note - Adding 30 new Lee Creek Big "Mako" teeth in February 2023.     Link to Lee Creek Mako Teeth.   

A Top Quality, Carcharodon hastalis,  Mako shark tooth (upper jaw tooth) from the Lee Creek mine, Aurora, No. Carolina. Note - This tooth has short pathologic ribs in the enamel. Possibly an attempt to create serrations. There have been some C. hubellii GW transition teeth found in the mine.  This tooth has a rich two-tone tan crown and a light tan colored root. Excellent colors!  Razor sharp cutting edge. Excellent preservation - note nutrient hole on root. It is a Pliocene tooth from the Yorktown Fm. An excellent collector's tooth. Authenticity guaranteed.

LC316      Size: 2-3/16"

Note - Adding 30 new Lee Creek Big "Mako" teeth in February 2023.     Link to Lee Creek Mako Teeth.   

A Top Quality Isurus desori , a Mako shark tooth from the "De Kuilen" sand pit, Mill, The Netherlands. This tooth has excellent color and perservation. Sharp cutting edge. The age is late Miocene (approx. 6-8 million years ago). This species is the ancestor to the Isurus oxyrhinchus. An excellent collector's tooth. Authenticity guaranteed.  

N203     SIZE: 1-3/8"

A Top Quality Isurus desori , a Mako shark tooth from the "De Kuilen" sand pit, Mill, The Netherlands. This tooth has excellent color and perservation. Sharp cutting edge. The age is late Miocene (approx. 6-8 million years ago). This species is the ancestor to the Isurus oxyrhinchus. An excellent collector's tooth. Authenticity guaranteed.  

N206      SIZE: 1-1/8"

A Top Quality Isurus desori , a Mako shark tooth from the "De Kuilen" sand pit, Mill, The Netherlands. This tooth has excellent color and perservation. Sharp cutting edge. The age is late Miocene (approx. 6-8 million years ago). This species is the ancestor to the Isurus oxyrhinchus. An excellent collector's tooth. Authenticity guaranteed.  

N208       SIZE: 1"

Top Quality Isurus desori , a Mako shark tooth from the "De Kuilen" sand pit, Mill, The Netherlands. This tooth has excellent color and perservation. Sharp cutting edge and tip. The age is late Miocene (approx. 6-8 million years ago). This species is the ancestor to the Isurus oxyrhinchus. An excellent collector's tooth. Authenticity guaranteed.  

N201     SIZE: 1-5/8"

A Top Quality Isurus desori , a Mako shark tooth from the "De Kuilen" sand pit, Mill, The Netherlands. This tooth has excellent color and perservation. Sharp cutting edge and tip. The age is late Miocene (approx. 6-8 million years ago). This species is the ancestor to the Isurus oxyrhinchus. An excellent collector's tooth. Authenticity guaranteed.  

N202       SIZE: 1-7/16"

A Top Quality Isurus desori , a Mako shark tooth from the "De Kuilen" sand pit, Mill, The Netherlands. This tooth has excellent BLACK color and perservation. Sharp cutting edge. The age is late Miocene (approx. 6-8 million years ago). This species is the ancestor to the Isurus oxyrhinchus. An excellent collector's tooth. Authenticity guaranteed.  

N205       SIZE: 1-3/16"

A High Quality Carcharodon hastalis, Broad-tooth "Mako", shark tooth - upper jaw anterior tooth from the "De Kuilen" sand pit, Mill, The Netherlands. This tooth has excellent color and preservation. Sharp cutting edge. The age is late Miocene (approx. 6-8 million years ago). This species is the ancestor to the Great White shark and Carcharomodus escheri.. An excellent collector's tooth. Authenticity guaranteed.  

N107       SIZE: 1-9/16"