Search results for: 'boni four 2'

A LARGE, Top Quality, Triceratops horridus frill section from the late Cretaceous of northern North America. A September Fossil of the Month. Triceratops was a large ceratopsian dinosaur found in the Hell Creek formation which is known for three horns and the large frill protecting its neck. This is a great frill section with exceptional detail preserved. Excellent color and patina. You can see all of the natural blood grooves across the surface of the frill. No repair or restoration. 100% natural specimen. Legally collected on private land in Carter Co., Montana. Authenticity guaranteed. Note - This frill section is from the bottom of the frill near the neck and is extra thick and heavy. This section weighs approx. 3 lbs and international order will require a shipping supplement.

DC41         SIZE: 6" Wide x  5-5/8" High x 2-1/4" Thick

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

A LARGE, Top Quality, Triceratops horridus toe bone (pes digit) 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 the large frill protecting its neck. This is an excellent toe bone with excellent detail preserved and good color / patina. This is the large toe II - digit 1 bone. You can see the "mushroom" appearance of proximal ends which is a characteristic of Triceratops and distinguishes it from a Hadrosaur toe bone. Triceratops bones are more difficult to find. Minor crack fill. No repair or restoration. Legally collected on private land in Powder River Co., Montana. Authenticity guaranteed. A supplemental shipping charge will apply for international orders.

DC35         SIZE: 4-3/4" long x 4-1/2" wide x 1-3/4" height

Note - Adding 15 new Triceratops bones 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

A Top Quality Thescelosaurus neglectus caudal (tail) vertebra from the late Cretaceous of northern North America. A March Fossil of the Month. Thescelosaurus is a mid-sized dinosaur found in the Hell Creek formation. This bone quality is excellent with excellent color and patina. Highest quality bone preservation. The fragile vertebra processes are nearly complete - very rare! No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An incredible collector's quality Thescelosaurus vertebra. Authenticity guaranteed. Museum Quality. A very rare piece.

DI42       SIZE: 2-1/4"  x  1-3/4" x 2-3/4" height

Note - Adding 23 new Thescelosarus fossils in March 2022.   Link to Thesc fossils catalog

A very rare, early Otodus mugodzharicus upper jaw, posterior tooth from Aktulagay, western Kazakhstan. A transitional tooth leading to C. auriculatus (see detailed discussion below) which leads to Megalodon. The bourlette is complete. Tooth exhibits very fine serrations along the inner curve of the crown only. These teeth exhibit very good color, gloss, and preservation. A rare, early Eocene Auriculatus transition tooth. A very challenging tooth to find when building a Megalodon evolutionary set! No repair. Authenticity guaranteed. Note - This western Kazakhstan site is one of the few places in the world where the Otodus to Auriculatus transition can be found in adjacent layers.

K555         SIZE: 5/8"

Note - Adding 18 Kazakh Auriculatus or transition teeth in April 2020. -->  Link to Kazakh Auriculatus teeth.

A very rare, early Otodus pavlovi upper jaw, lateral tooth from Aktulagay, western Kazakhstan. Otodus pavlovi was the smaller Otodus shark species present in this early Eocene deposit. The side cusps are large and complete. Exhibits no serrations. These teeth exhibit very good color, gloss, and preservation. No repair. Authenticity guaranteed. Perfect tooth.

K532         SIZE: 11/16"

Note - Adding 18 Kazakh Auriculatus or transition teeth in April 2020. -->  Link to Kazakh Auriculatus teeth.

A very rare, early Otodus pavlovi upper jaw, lateral tooth from Aktulagay, western Kazakhstan. Otodus pavlovi was the smaller Otodus shark species present in this early Eocene deposit. The side cusps are large and complete. Exhibits no serrations. These teeth exhibit very good color, gloss, and preservation. No repair. Authenticity guaranteed. Perfect tooth.

K531         SIZE: 13/16"

Note - Adding 18 Kazakh Auriculatus or transition teeth in April 2020. -->  Link to Kazakh Auriculatus teeth.

A very rare, early Macrorhizodus nolfi upper jaw, lateral tooth from Aktulagay, western Kazakhstan. Macrorhizodus nolfi is a Lamnidae shark and an early Mako shark (Isurus praecursor) relative in this early Eocene deposit. The side cusps are complete. No repair. Authenticity guaranteed. Perfect tooth.

K572         SIZE: 3/4"

Note - Adding 18 Kazakh Auriculatus or transition teeth in April 2020. -->  Link to Kazakh Auriculatus teeth.

A very rare, early Macrorhizodus nolfi upper jaw, anterior tooth from Aktulagay, western Kazakhstan. Macrorhizodus nolfi is a Lamnidae shark and an early Mako shark (Isurus praecursor) relative in this early Eocene deposit. These teeth exhibit very good color, gloss, and preservation. A rare, early Eocene Macrorhizodus nolfi tooth. No repair. Authenticity guaranteed. 

K571         SIZE: 1-3/8"

Note - Adding 18 Kazakh Auriculatus or transition teeth in April 2020. -->  Link to Kazakh Auriculatus teeth.

A very rare, early Otodus obliquus anterior tooth from Kzil-Orda Region, Kazakhstan. Otodus obliquus is the ancestor to O. auriculatus (see detailed discussion below) which leads to Megalodon. The bourlette is large and complete. Exhibits no serrations. The starting species to serrated Otodus teeth. These teeth exhibit very good color, gloss, and preservation. A rare, early Eocene (Ypresian) Auriculatus transition tooth. A very challenging tooth to find when building a Megalodon evolutionary set! No repair. Authenticity guaranteed. Note - This western Kazakhstan site is one of the few places in the world where the Otodus obliquus to Otodus auriculatus transition can be found in adjacent early Eocene formation units. 

K561         SIZE: 1-1/16"

Note - Adding 24 Kazakh Auriculatus or transition teeth in July 2024. -->  Link to Kazakh Auriculatus teeth.

A very rare, early Otodus obliquus anterior tooth from Kzil-Orda Region, Kazakhstan. Otodus obliquus is the ancestor to O. auriculatus (see detailed discussion below) which leads to Megalodon. The bourlette is large and complete. Exhibits no serrations. The starting species to serrated Otodus teeth. These teeth exhibit very good color, gloss, and preservation. A rare, early Eocene (Ypresian) Auriculatus transition tooth. A very challenging tooth to find when building a Megalodon evolutionary set! No repair. Authenticity guaranteed. Note - This western Kazakhstan site is one of the few places in the world where the Otodus obliquus to Otodus auriculatus transition can be found in adjacent early Eocene formation units. 

K561         SIZE: 1-1/4"

Note - Adding 24 Kazakh Auriculatus or transition teeth in July 2024. -->  Link to Kazakh Auriculatus teeth.

A very rare, early Otodus aksuaticus upper jaw, lateral tooth from Kzil-Orda, Kazakhstan. A transitional tooth leading to O. auriculatus (see detailed discussion below) which leads to Megalodon. A July Fossil of the Month. The bourlette is complete. This tooth exhibits small serrations along the lower 1/3 of the crown and micro serrations to the tip. These teeth exhibit excellent color, gloss, and preservation. A rare, early (Ypresian) Eocene Auriculatus transition tooth.  A very challenging tooth to find when building a Megalodon evolutionary set! No repair or restoration. Authenticity guaranteed. This western Kazakhstan site is one of the few places in the world where the Otodus obliquus to Otodus auriculatus transition can be found in adjacent geologic layers. 

K547         SIZE: 1-15/16"

Note - Adding 24 Kazakh Auriuclatus or transition teeth in July 2024. -->  Link to Kazakh Auriculatus teeth.