Fossil of the Month - Complete Listing

An EXTRA LARGE, VERY RARE, Top Quality, rooted Leptoceratops gracilis tooth from the late Cretaceous of western North America. Leptoceratops is a smaller "ceratopsian" dinosaur found in the Hell Creek and Lance formations. There small size and small horns made them relatively easy prey and their population size was quite small compared to other herbivores. The enamel is high quality with nice color and patina. The chewing surface is well preserved with an unusual rounded wear facet. Leptoceratops commonly have wear facets on their teeth.  No cracks. No restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Note - this tooth comes with a Riker display frame. Authenticity guaranteed. An excellent rooted BIG Leptoceratops tooth! 

DQ01         SIZE: 1-3/8"   (straight line)   

Note - Adding 10 rare Leptoceratops teeth in May 2023.       Link to Ceratopian fossils catalog

A RARE, EXTRA LARGE Top Quality Acheroraptor temertyorum (raptor) tooth. Acheroraptor temertyorum is one of two recently described Hell Creek Fm. raptors. A May Fossil of rthe Month. This tooth is 9/16" which is an extra large size. The enamel is excellent with a great brown color. Multiple prominent longitudinal "ribs" run the length of the crown. Excellent large posterior and small anterior serrations. See unique crown characteristic discussion below. No cracks. No repair. Legally collected on private land in the Hell Creek Fm., Butte Co., So. Dakota. Note - 2013 Acheroraptor description paper attached below. Authenticity guaranteed. This is your chance to own a rare, XL top quality Acheroraptor temertyorum tooth.  Note - A gem jar will be included as photographed.

DR01       SIZE: 9/16"

Note - Adding 9 new Acheroraptor teeth in May 2023      Link to Raptor (Dromaeosaur) catalog.

An ultra rare group of two associated TOP QUALITY Araucaria mirabilis pine cone specimens from Argentina. A May Fossil of the Month. These cones were found side by side and remain on their original natural matrix. These Jurassic pine cones are exquisite and known for their highy quality and extreme preservation. This cone is large and shows both great interior and exterior detail. The internal detail is exceptional. Rare short stem sections are present. An incredible pair of associated natural pine cones. No repair or restoration. Authenticity guaranteed. Note - new Argentine pine cone specimen export has stopped for more than 10 years! These cones come from an old collection. Specmen sits nicely on its flat base and makes a fantastic display piece!  Note - this specimen weighs 1.75 lbs. and will require supplemental postage for international customers. 

 X301     Size: 2-5/8" x 2-1/8"   &   2-1/8" x 2-1/8"

Note - Adding 7 rare Argentine pine cone specimens in May 2023.      Link to Pine Cone fossils.

An ultra rare, Thalassocnus, a Swimming Sloth, manus (hand) claw from the Bahia Inglesia Formation, Copiapo, Chile. A May Fossil of the Month. This sloth lived on the west coast of So. America during the late Miocene age. This claw is a near complete with minor erosion along the upper edge and back end. Both areas have minor restoration. Fantastic color and preservation. Authenticity guaranteed. I have not seen a swimming sloth claw for sale before. This is all of the sloth material that I have from 15 years ago! A rare collector's claw. This is my one and only hand claw!

C931          Size: 2-1/2"  (1-1/8" height, 7/16" wide)

An ultra rare, Thalassocnus, a Swimming Sloth, tooth from the Bahia Inglesia Formation, Copiapo, Chile. A May Fossil of the Month. This sloth lived on the west coast of So. America during the late Miocene age. This tooth is complete with no wear. Cutting surface is perfect. Fantastic color. Excellent condition. No repair.  Authenticity guaranteed. I have not seen a swimming sloth claw for sale before. This is all of the sloth material that I have from 15 years ago! A rare collector's tooth. My last one!

C932          Size: 1-1/4"  (9/16" Cutting surface width)

Note - Adding 2 Chilean swimming sloth fossils in May 2023   Link to Sloth fossils

A Top Quality, Triceratops horridus brow horn from the late Cretaceous of northern North America. A May 2023 Fossil of the Month. Triceratops was a large ceratopsian dinosaur found in the Hell Creek Formation. This is a special horn with exceptional detail preserved and excellent color & natural patina. Fantastic surface articualtion. You can see all of the natural blood grooves around the surface of the horn. Plus this horn includes most of the orbital which is quite rare - a very complete specimen. The preparation of the horn was fairly basic and simple - some minor crack fill and approximately 1" of the tip end was restored which is very minimal restoration for a horn. This is not a horn that is 20 - 30% or more putty which you most often see. It comes with a custom steel stand as shown. A fantastic fossil overall for display. Legally collected on private land in the Hell Creek Fm., Butte Co., So. Dakota . Authenticity guaranteed. Certification of Authentication provided. Museum quality. A fantastic Triceratops brow horn display. You don't see these top quality horns very often. This one is much better quality than the typical brow horn! A great display size. Note - International buyers will incur some shipping cost.            

DC51      SIZE: 22" (straight line) ;  (18.5" height on stand)

Note - Adding 19 new Triceratops fossils in May 2023.       Link to Triceratops fossils catalog

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. A special piece! (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

A Top Quality, Rare Pachychephalosaurus wyomingensis spike from the late Cretaceous of northern North America. An April Fossil of the Month. A complete spike with excellent articulation. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by these spikes and nodes. These spikes and nodes were part of the Pachy skull. This spike has exceptional color / patina. The blood grooves are still present in the bone. It is a complete specimen with no cracks or breaks. Note - the excellent articulated skull surface on the base of the spike. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Pachychephalosaurus spike. You don't see these skull pieces very often. No repair or restoration. Authenticity guaranteed. My BEST Pachy spike remaining from the "Rancher's collection"!

DP31       SIZE: 1-5/8" Height   (Base: 2" x 1-3/8") 

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

A LARGE, Top Quality Pachychephalosaurus wyomingensis pes ungual (foot claw) from the late Cretaceous of northern North America. An April Fossil of the Month. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. This ungual has exceptional color and patina. Overall an excellect pes ungual. Note - this ungual has the Pachy twist (see Pachy ungual differentiation discussion below). No repair or restoration. An ultra rare Pachy pes ungual! Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. An exceptional collector's quality Pachychephalosaurus ungual. Museum quality. My largest Pachy claw. Note - claw comes with a Riker type frame. Authenticity guaranteed. Authenticity guaranteed.

DP21       SIZE: 1-15/16"   

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

An EXTRA LARGE Ultra Rare, Top Quality Pachychephalosaurus wyomingensis premaxillary tooth from the late Cretaceous of northern North America. An April Fossil of the month. This tooth is often referred to as the Pachy "Fang". There are posterior serrations present on this tooth. There is also a wear facet on the tooth (quite common). Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. The enamel is excellent quality with great color and patina. No cracks or restoration. An ultra rare Pachy premax tooth!  Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. An excellent collector's quality Pachychephalosaurus premaxillary tooth. Note - tooth comes with the gem case pictured. Authenticity guaranteed. a fantastic. My largest Pachy premaxillary tooth!

DP01       SIZE: 1/2"    

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

A rare EXTRA LARGE, Top Quality fossil Cave Bear (Urusus spelaeus) skull from the Carpathian Mountains, Romania. An April of the Month. These large bears lived in the mountain caves from central Europe to Russia. An excellent cave bear tooth. You can own a rare and wonderful story piece from the Ice Age! Essentially no repair or restoration with minor repair above the upper jaw canine & incisor teeth only. Authenticity guaranteed. Near perfect skull. One of the largest top quality Cave Bear skull that I have seen. Very clean with great color. Skull comes with a custom steel display stand as shown. Note - shipping weight is approximately 25 lbs. An international shipping charge is required.

Name: Urusus spelaeus      Age: Late Pleistocene     

Location:  Carpathian Mountains, Romania

R500            SIZE: 19" Length  ;  10-1/2" Wide  ;  18" Height on stand.

Note: Posted 13 new Ice Age Cave Bear fossils in April 2023.  Link -> Cave Bear Fossils

An ultra rare Top Quality Carcharodon hastalis, Broad-tooth Mako, shark tooth - upper jaw anterior tooth from the Bahia Iglesa Fm. of Chile. An April Fossil of the Month. This tooth has a brown, blue & charcoal crown and a brown root. Excellent color! Razor sharp cutting edge. Extra wide root (2-5/16"). Excellent preservation - note nutrient hole on root. Near perfect tooth. This species is the ancestor to the Great White shark. A fantastic color collector's tooth. Authenticity guaranteed. Note - A 3" Chilean C. hastalis tooth is rarer than a 3" Chilean Great White tooth. I have only seen a couple of them!

C301          Size: 3"  (2-5/16" wide)

Note - Adding 25 new Chilean Carcharodon hastalis teeth in April 2023    Link to Chilean Mako teeth.