Search results for: 'river ones good'

A GEM rolled Phacops trilobite on a Silica Shale matrix. Check out the detail of the compound eyes - Exceptionally preserved. The quality of the Silica Shale Fm. trilobites are incredible. A TOP QUALITY specimen from the Middle Devonian (380 mya), Silica Shale Fm. from Lucas Co., Ohio. A collector's must have item!

X112           Size: 1-1/4"

An Extra Large, top quality Calymene Moroccan trilobite. Good quality, hand selected specimen! An Ordovician (450 mya) trilobite from the Tiskaouine Alnif area , Atlas Mts., Morocco. Authenticity guaranteed.

XM63         Size: 3-1/2"  (2-1/8" W)

Adding 7 quality Morocaan trilobites in December 2022.      Link to Moroccan trilobites.

A Quality Mosasaurus (Prognathodon ) anceps 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.  Note - this Mosasaur is renamed to the Prognathodon genus. Authenticity guaranteed.

J204                      SIZE: 1-3/8" 

An Extra Large,  high quality Calymene Moroccan trilobite. Good quality, hand selected specimen! An Ordovician (450 mya) trilobite from the Tiskaouine Alnif area, Atlas Mts., Morocco. Authenticity guaranteed.

XM69         Size: 3-3/8"  (2-1/4" W)

Adding 31 quality Moroccan trilobites in April 2025.     Link to Moroccan trilobites.

An Extra Large, high quality Calymene Moroccan trilobite. Good quality, hand selected specimen! An Ordovician (450 mya) trilobite from the Tiskaouine Alnif area , Atlas Mts., Morocco. Authenticity guaranteed.

XM67         Size: 3-5/8"  (2-1/8" W)

Adding 31 quality Moroccan trilobites in April 2025.     Link to Moroccan trilobites.

An Extra Large, top quality Calymene Moroccan trilobite. Very Good quality, hand selected specimen! An Ordovician (450 mya) trilobite from the Tiskaouine Alnif area , Atlas Mts., Morocco. Authenticity guaranteed.

XM66         Size: 4"  (2-1/8" W)

Adding 31 quality Moroccan trilobites in April 2025.     Link to Moroccan trilobites.

An Extra Large, top quality Calymene Moroccan trilobite. Very good quality, hand selected specimen! An Ordovician (450 mya) trilobite from the Tiskaouine Alnif area , Atlas Mts., Morocco. Authenticity guaranteed.

XM62         Size: 3-3/8"  (2" W)

Adding 31 quality Moroccan trilobites in April 2025.      Link to Moroccan trilobites.

A LARGE RARE, Top Quality Acheroraptor temertyorum (raptor) tooth from So. Dakota. Acheroraptor temertyorum is one of two recently described Hell Creek Fm. raptors, and it is a close relative of Velociraptor. This tooth is 1/2" which is a 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. There is a natural wear facet on the tip. See unique crown characteristic discussion below. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Harding Co., So. Dakota. Note - the 2013 Acheroraptor description paper is available upon request. Authenticity guaranteed. This is your chance to own a rare, top quality Acheroraptor temertyorum tooth.  Note - A gem jar will be included as photographed.

DR12       SIZE: 1/2"

Note - Adding 10 new Acheroraptor teeth in May 2025      Link to Raptor (Dromaeosaur) catalog.

A LARGE RARE, Top Quality Acheroraptor temertyorum (raptor) tooth from So. Dakota. Acheroraptor temertyorum is one of two recently described Hell Creek Fm. raptors, and it is a close relative of Velociraptor. This tooth is 1/2" which is a 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. There is a small natural wear facet on the tip. See unique crown characteristic discussion below. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Harding Co., So. Dakota. Note - the 2013 Acheroraptor description paper is available upon request. Authenticity guaranteed. This is your chance to own a rare, top quality Acheroraptor temertyorum tooth.  Note - A gem jar will be included as photographed.

DR11       SIZE: 1/2"

Note - Adding 10 new Acheroraptor teeth in May 2025      Link to Raptor (Dromaeosaur) catalog.

A LARGE, VERY RARE, Top Quality, partially 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 no 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 partially rooted Leptoceratops tooth! 

DD05         SIZE: 9/16"         

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

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 GEM Quality, rare Triceratops horridus upper beak (rostal) from the late Cretaceous of northern North America. A July Fossil of the Month. 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 juvenile upper beak has exceptional detail preserved and great color / patina. Complete specimen. Note - Triceratops has a beak formed by this upper rostal bone and the lower predentary bone. No repair or restoration. 100% natural specimen. Legally collected on private land in Powder River Co., Montana. Authenticity guaranteed. You rarely see these upper beaks and this one is exceptional.

DC22  BoP       SIZE: 2-1/8" Wide x 1-3/4" Length

Note - Adding 20 new Triceratops fossils in July 2022.       Link to Triceratops fossils catalog