Search results for: 'author bone st franc of associ book'

A rare Top Quality Triceratops horridus vertebra from the late Cretaceous of northern North America. Triceratops was a large ceratopsian dinosaur found in the Hell Creek and Lance Creek formations which is know for three horns and a large frill protecting its neck. This is a caudal (tail) vertebra with exceptional detail preserved and great color / patina. You can see the vertebra surface is very rugous and the vertebra is very thick with a very round centra which are characteristics of Triceratops and distinguishes it from a Hadrosaur. Triceratops bones are more difficult to find. No repair or restoration. It is very rare to find vertebra that are complete. 100% natural specimen. Legally collected on private land in Powder River Co., Montana. Authenticity guaranteed. An excellent big Triceratops vertebra. Note - A 4 peg display stand comes with it. 

DC30         SIZE: 2.5" Height x 1-7/8" Wide x 1-5/8" Length

Note - Adding 15 new Triceratops fossils in September 2025.       Link to Triceratops fossils catalog

A rare, TOP QUALITY Triceratops horridus hoof core (pes claw) from the late Cretaceous of northern North America. Triceratops was a large ceratopsian dinosaur found in the Hell Creek formation which is known for three horns and a large frill protecting its neck. This adult hoof core has exceptional detail preserved and excellent color & patina. Note - Triceratops hoof cores are generally smaller than Hadrosaur, have a very rugous surface, have a characteristeristic "shallow ledge" on the under side, have less height than Hadrosaur, and are much more difficult to find. This hoof core has  the correct features is is incredibly preserved. Legally collected on private land in Carter Co., Montana. Authenticity guaranteed. True Triceratops hoof cores are very difficult to locate, and this is a unique example!  

DC61         SIZE: 3-1/4" Length x  2-3/4" Wide 

Note - Adding 15 new Triceratops bones in September 2025.       Link to Triceratops fossils catalog

"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, Triceratops horridus brow horn section from the late Cretaceous of northern North America. A November 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 with excellent color and natural patina. Incredible surface articulation. You can see all of the natural blood grooves around the surface of the horn. The preparation of the horn was very basic with one crack repair. No extensive repair or restoration. It comes with the custom steel stand as shown. A fantastic fossil overall for display. Legally collected on private land in the Hell Creek Fm., Dewey Co., So. Dakota. Authenticity guaranteed. Certification of Authentication provided. Museum quality specimen. 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 section and a great display size!  Note - International buyers will incur shipping cost.  Weighs 5.2 pounds with stand. Have you been waiting for a special Triceratops horn display?  This is a fantastic Triceratops horn display.      

DC51   SIZE: 8-1/2"length ; End: 3-1/2" wide ;  (8-3/4" height on stand)

Note - Adding 14 new Triceratops bones in November 2024.       Link to Triceratops fossils catalog

A Top Quality Alethopteris sp. - fossil fern display piece from St. Clair, Pennsylvania. A December Fossil of the Month. Alethopteris is an extinct genus of primitive seed fern that evolved during the Pennsylvanian Period. This specimen is well preserved with white colored ferns on a near black colored shale matrix. This white coating is a characteristic of the mineral pyrophyllite. The St. Clair area is known for their white ferns on black matrix. Pennsylvanian age. (300 mya). It weighs 16.8 pounds. Note - international orders will require a shipping supplement. Authenticity guaranteed. This specimen comes with a sturdy wooden base as shown in the photo. A fantastic two-sided display piece!

FN01       SIZE:  22" x  14"      Height on stand:  14-1/2"

Note - Adding 4 fern / Lepidodendron  specimens in December 2023 -->   Link to Fossil Ferns

A Top Quality Pachychephalosaurus wyomingensis pes ungual (foot claw) from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. This ungual has excellent color and patina. Complete and well preserved with slight tip wear. Overall an excellent 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., Powder River Co., Montana. No repair or restoration. An exceptional collector's quality Pachychephalosaurus claw. Museum quality. Note - claw comes with a Riker type frame. Authenticity guaranteed.

DP22       SIZE: 1-1/2"   

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

A GEM  Pachychephalosaurus wyomingensis pes ungual (foot claw) from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. This ungual has excellent color and patina. Complete specimen. An exceptional pes ungual. Note - this ungual has a strong 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., Powder River Co., Montana. An exceptional collector's quality Pachychephalosaurus claw. Museum quality. Note - claw comes with a Riker type frame. Authenticity guaranteed. You do not see these top quality claws any more...

DP23       SIZE: 1-5/8"   

Note - Adding 4 new Pachy unguals in July 2018.       Link to Pachy fossils catalog

A Top Quality Pachychephalosaurus wyomingensis pes ungual (foot claw) from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. This ungual has excellent color and patina. Complete specimen with a very small amount of tip wear. An exceptional pes ungual. Note - this ungual has a strong 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., Powder River Co., Montana. An exceptional collector's quality Pachychephalosaurus claw. Museum quality. Note - this claw comes with a Riker type frame. Authenticity guaranteed.

DP24       SIZE: 1-7/16"   

Note - Adding 4 new Pachy unguals in July 2018.       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 exbibits 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., Powder River 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: 2"   

Note - Adding 6 new Pachy spikes, claws, and teeth in February  2025.    Link to Pachy fossils catalog

A QUALITY Carcharodon carcharias, upper jaw Anterior tooth from St. Mary's River, Georgia. This is an an excellent gray colored Great White shark tooth. The enamel is the high quality with no hydration cracks. An excellent Georgia Great White shark tooth. No repair! Authenticity guaranteed.

G201              SIZE: 1-1/4"

A Large Dolphin anterior tooth. Gorgeous gray color and preservation. An excellent collector's tooth.

N395     SIZE: 15/16"

A High Quality Pachychephalosaurus wyomingensis tooth from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. The enamel is good quality with nice color / patina. Typical wear faucet from grinding on opposing teeth. Note - high center ridge and crown assymetry (see Pachy maxillary teeth differentiation discussion below). Note the nice crown wave on the right side. No cracks or restoration. An ultra rare Pachy tooth!  Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. An excellent collector's quality Pachychephalosaurus tooth. Note - tooth comes with the gem case pictured. Authenticity guaranteed.

DP04       SIZE: 5/16"   

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