Search results for: 'dure size fossil calcar e//'

A LARGE, Top Quality Diplomystus  fish from the 18 Inch layer, Green River Fm., Lincoln Co. Wyoming. The Diplomystus dentatus is a Herring fish from the Eocene age (50 MYA) in the ancient Lake Gosiute deposit. These fossil fish are exceptionally preserved fossils. Excellent preservation and preparation. No repair or restoration. All natural.  Authenticity guaranteed. A fantastic display piece!  

X465        SIZE: 6-1/4"      

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

A very rare Top Quality, Allosaurus fragilis toe claw (pes claw). A January Fossil of the Month. This Allosaurus toe claw measures 3-1/16". Highest quality bone. Great rich black - brown color. Exceptional overall condition. No repair or restoration. Allosaurus was the apex predator during the late Jurassic. Legally collected on private land in the Morrison Fm., Grand Co., Utah. Authenticity guaranteed. A fantastic specimen!  Note -  A Riker display frame is included.

DL41         SIZE: 3-1/16"   (13/16" wide)  

Note - Adding 8 Allosaurus fossils in January 2023    Link to Dinosaur bones

A rare, Top Quality Fraxinus sp. stem with three leaves from the Green River Fm., Cowboy Canyon, Bonanza Co., Utah. An August Fossil of the Month. The Fraxinus sp. is an Ash from the Eocene age (48 MYA) in the ancient Lake Unita deposit. This piece exhibits exceptional preservation and excellent color. No repair or restoration. Authenticity guaranteed. This leaf comes with a custom made wooden stand and ID plate (see photo). It is ready to display. A very special three leaf display piece!  Note - this item weighs 2.3 lbs and will have an international shipping surcharge added to free shipping.

GL15     SIZE: 6-3/8" x 3"      Plate size: 7" x 6"

Note - Adding 20 Green River Fm. Fossil leaves in August 2023 --> Link to Green River Fossil Leaves

A LARGE Top Quality Diplomystus  fish from the 18 Inch layer, Green River Fm., Lincoln Co. Wyoming. The Diplomystus dentatus is a Herring fish from the Eocene age (50 MYA) in the ancient Lake Gosiute deposit. These fossil fish are nicely preserved fossils. Note - this matrix had a crack along a layer that was stabilzed. Excellent preservation and preparation. No repair or restoration. All natural.  Authenticity guaranteed. A fantastic  display piece!  

X466        SIZE: 7-1/4"      

Note - Adding 31 Green River Fm. Fossil fish in November 2024 --> Link to Fossil Fish

An extinct early camel jaw (Poebrotherium wilsoni) from Sioux Co., Nebraska. Poebrotherium 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. 

WR07        Size: 2"  

Name: Poebrotherium wilsoni

Age:  Oligocene

Location: Sioux Co., Nebraska

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

An extinct early camel jaw (Poebrotherium wilsoni) from Sioux Co., Nebraska. Poebrotherium 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. 

WR06        Size: 2"  

Name: Poebrotherium wilsoni

Age:  Oligocene

Location: Sioux Co., Nebraska

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

An EXTRA LARGE, Top Quality Knightia fish from the 18 Inch layer, Green River Fm., Lincoln Co. Wyoming. The Knightia eocaena is a Herring-like fish from the Eocene age (50 MYA).  This piece is from the 18 Inch Layer which is extremely dense and difficult to prepare. It also provides the most detailed, highly preserved fossils. Exceptional preservation and preparation.  No repair. All natural. Authenticity guaranteed. An excellent display piece. The BEST!  

X452        SIZE: 6-1/8" 

Note - Adding 27 Green River Fm. Fossil fish in October 2020 --> Link to Fossil Fish

An ultra rare Top Quality Stegoceras validum dome (frontoparietal skull bone) from the late Cretaceous of northern North America. An April Fossil of the Month. Stegoceras is a smaller sized pachycephalosaurid dinosaur, and like Pachycephalosaurus, it is a dinosaur which is famous for its large domed head surrounded by spikes. This is excellent quality juvenile dome with good color / patina. No cracks or restoration. There is a small sheer on the left side that occured prior to fossilization since it has the natural patina. Otherwise a complete dome. An ultra rare Stegoceras dome!  Legally collected on private land in the Judith River Fm., Hill Co., Montana. An excellent collector's quality Stegoceras dome. Comes with a Riker display case. Authenticity guaranteed. You don't see Stegoceras domes very often. This is a very special, prefect little dome!  (Photo series = top, bottom, right side, left side, and rear).

DP50       SIZE: 2-5/8" x 2"   (1-1/2" thick)  

Note - Adding 13 new Pachy spikes, claws and teeth in April 2023.   Link to Pachy fossils catalog

An extinct early rabbit jaw (Palaeolagus haydeni) from Sioux Co., Nebraska. Palaeolagus 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.

WR24        Size: 1-1/8"  

Name: Palaeolagus haydeni 

Age:  Oligocene

Location: Sioux Co., Nebraska

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

An extinct early camel jaw (Poebrotherium wilsoni) from Sioux Co., Nebraska. Poebrotherium 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. 

WR08        Size: 1-7/8"  

Name: Poebrotherium wilsoni

Age:  Oligocene

Location: Sioux Co., Nebraska

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

An extinct early Deer-like Ruminant jaw (Leptomeryx evansi) from Sioux Co., Nebraska. Leptomeryx 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. 

WR36        Size: 13/16"  

Name: Leptomeryx evansi 

Age:  Oligocene

Location: Sioux Co., Nebraska

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