Search results for: 'alta de toed a4'

A sarce, EXTRA LARGE Knightia alta fish from the 18 Inch layer, Green River Fm., Lincoln Co. Wyoming. The Knightia alta is the second Herring-like fish species from the Eocene age (50 MYA). This is a scarce species has a thicker body. Exceptional preservation and preparation. No repair or restoration. All natural. Authenticity guaranteed. An excellent display piece!  Note - This item weighs 3 lbs. An international shipping surcharge may be applied to "Free Shipping". Please inquire for cost.

X450        SIZE: 6-3/8"       

Note - Adding 17 Green River Fm. Fossil fish in November 2025 --> Link to Fossil Fish 

A well preserved Three Toed Horse tooth (Nannippus aztecus) from central Florida.  The Three Toed Horse evolved in North America during the Oligocene and became extinct during the early Pleistocene. Very well fossilized specimen. No repair or restoration. Authenticity guaranteed. 

XH06        Size: 1-1/2"  

Name: Nannippus aztecus 

Age:  Pliocene

Location: Central Florida,  Florida

Note - Posting 13 horse fossils in April 2024.     Link to Horse Fossils

An extinct early 3-Toed horse jaw (Mesohippus) from Sioux Co., Nebraska. Mesohippus 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. 

WR05        Size: 2"  

Name: Mesohippus 

Age:  Oligocene

Location: Sioux Co., Nebraska

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

"The Collector's Guide to Fossil Sharks and Rays From the Cretaceous of Texas"  is a must have book for collectors and professionals for the Cretaceous teeth of Texas and elsewhere. Very comprehensive with incredible photos. 204 pages. One of my favorites!  Note - an intenational shipping surcharge will be required for qualified free shipping orders.

BB12           Size: 8-1/2" x 11"

An excellent guide to the late Cretaceous and Pleistocene fossils of the N. Sulfur River of Texas. An exceptional guide to the N. Sulfur River teeth and other Cretaceous sites. Out of print.

BB05          SIZE: 8-1/2" x 11"

"An Illustrated Guide to the British Middle Eocene Vertebrates"  is a fantastic guide to the shark teeth of the middle Eocene. Great illustrations. 59 pages. This book is out of print.

BB06             Size: 5-1/2" x 8-1/2"

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"