Search results for: 'line paleozo first planus first good'

A rare, Top Quality Triceratops horridus epoccipital (frill ornament) 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 epoccipital has excellent detail preserved and great color / patina. The epoccipitals were triangular bone ornaments that lined the top of the frill. The young Triceratops had narrow and tall epoccipitals, older juvenile Triceratops had low and wide epoccipitals, and adult Triceratops no longer had this ornament. You can see this epoccipital is narrow which is a characteristic of an younger juvenile Triceratops. No repair or restoration. 100% natural specimen. Legally collected on private land in Powder River Co., Montana. Authenticity guaranteed. 

DC64         SIZE: 1-1/4" Wide x 1-5/16" Height

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

A rare, Top Quality Triceratops horridus epoccipital (frill ornament) 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 epoccipital has excellent detail preserved and great color / patina. The epoccipitals were triangular bone ornaments that lined the top of the frill. The young Triceratops had narrow and tall epoccipitals, older juvenile Triceratops had low and wide epoccipitals, and adult Triceratops no longer had this ornament. You can see this epoccipital is wide which is a characteristic of an older juvenile Triceratops. Some crack fill. No restoration. Legally collected on private land in Powder River Co., Montana. Authenticity guaranteed. 

DC63         SIZE: 1-7/8" Wide x 1-1/4" Height

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

A Top Quality Squatirhina sp. tooth, an extinct Carpetshark, from the ENCI quarry, Maastricht, the Netherlands. Fantastic gray color and preservation. Cretaceous - Maastrichian age. A good tip. A specimen grade collector's tooth. Authenticity guaranteed.

N491         SIZE: 1/8"

Note - Adding 56 Netherlands shark teeth in July 2023.  Link to Netherlands shark teeth.

A High Quality Platecarpus ptychodon (Mosasaur) tooth from the phosphate mining area near Amman, Jordan. Very good condition and preservation. No repair or restoration. Near complete tooth. These teeth are late Cretaceous age. Authenticity guaranteed.

J067           SIZE: 7/16" 

Note - Adding 8 Jordanian Platecarpus teeth in Feb. 2022.    Link to Jordan Platecarpus

A rare, Top Quality Anzu wyliei toe (pes) claw from the Judith River Fm. of Montana. Anzu is referred to as the "Chicken from Hell". An excellent pes claw. Good light brown color and patina. This specimen has good perservation with minor erosion. There is a very small tip repair whic is common. A quality, collector's claw from the JUdith River of Montana. Note - 2014 Anzu wyliei description paper attached below. Check out our selection of quality Anzu wyleii claws! Legally collected on private land in the Judith River Fm., Hill Co., Montana. Authenticity guaranteed. Note - a Riker display frame will be included. You don't see very many Anzu claws from the Judith River formation.

DA05       Size: 1-13/16" (straightline)    

Note - Adding 7 Anzu wyliei claws & bones in September 2023.      Link to Anzu wyliei claws.

An ultra rare Mosasaur matrix piece with two Top Quality Mosasaurus (Prognathodon) anceps teeth with their original roots. Another May 2018 Fossil of the Month selection. Includes a massive 5-1/2" tooth and a 3" tooth in the original matrix. Both are fully rooted and perfect teeth which is very rare! This is not your typical Mosasaur crown glued to a root. This is an all original, associated specimen (beware of the fakes - discussion below). Exceptional condition and preservation.  No repair or restoration. Museum Quality. The only authentic Mosasaur specimen with two original rooted teeth that I have seen!  Note - the large Moroccan Mosasaurs are being renamed to a Prognathodon genus. Authenticity guaranteed. 

M1062  BoP       SIZE: 5-1/2" (larger) 3" (smaller)

See all of our Mosasaur teeth.

A Hemipristis upper jaw anterior tooth from the Sharktooth Hill area, near Bakersfield, California. Excellent color!  A very difficult Sharktooth Hill species to find!  Authenticity guaranteed.

ST506       SIZE: 1-1/8"

Note - Adding 5 new STH Hemipristis teeth in July 2019.    Link to STH Hemipristis teeth.

A Hemipristis upper jaw anterior tooth from the Sharktooth Hill area, near Bakersfield, California. Excellent color!  Authenticity guaranteed.  A very difficult Sharktooth Hill species to find!  

ST505       SIZE: 7/8"

Note - Adding 4 new STH Hemipristis teeth in October 2023.    Link to STH Hemipristis teeth.

A Top Quality Hemipristis upper jaw anterior tooth from the Sharktooth Hill area, near Bakersfield, California. Excellent color! Authenticity guaranteed.  A very difficult Sharktooth Hill species to find!  

ST504       SIZE: 1-1/4"

Note - Adding 4 new STH Hemipristis teeth in October 2023.    Link to STH Hemipristis teeth.

A Hemipristis upper jaw anterior tooth from the Sharktooth Hill area, near Bakersfield, California. Excellent color! Authenticity guaranteed.  A very difficult Sharktooth Hill species to find! 

ST503       SIZE: 1-1/4"

Note - Adding 4 new STH Hemipristis teeth in October 2023.   Link to STH Hemipristis teeth.

A LARGE, Top Quality, Large Hemipristis lower jaw anterior tooth from the Sharktooth Hill area, near Bakersfield, California. Excellent color!  A very difficult Sharktooth Hill species to find!  Authenticity guaranteed.

ST501       SIZE: 1-7/16" 

Note - Adding  4 new STH Hemipristis teeth in October 2023.    Link to STH Hemipristis teeth

A High Quality, Large Hemipristis lower jaw anterior tooth from the Sharktooth Hill area, near Bakersfield, California. Excellent color!  A tough position to find! Authenticity guaranteed.  A very difficult Sharktooth Hill species to find!

ST502      SIZE: 1-5/16"