Search results for: 'young guid the new tenuis thick with frame'

A High QUALITY Nanotyrannus lancensis tooth from the western US. This juvenile tooth measures 15/16" (straight line). The enamel has some root etching. The posterior serrations are good. No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed.  An excellent collector's Nano tooth. 

DN15        SIZE: 15/16"

Note - Adding 24 Nanotyrannus teeth in March 2025  ->  Link to Nano Teeth

Excellent photos of Peru desert, museum displays, Peruvian shark teeth collections, shark dentitions, marine mammals, cultural photos, and Mark's story line. A great guide for Peruvian shark teeth. Great on location photos. 197 pages. Note - an intenational shipping surcharge may be required for qualified free shipping orders.

BB13              Size:   5-1/4"  x 8-1/4"

An Ultra Rare EXTRA LARGE, Top Quality Tyrannosaurus rex tooth. Another August 2018 Fossil of the Month. This Rex crown measures 4-1/2" (straightline) and is thick (1-9/16") - a massive Rex tooth. The enamel is very high quality and a rich dark brown color. Good posterior and anterior serrations with a small amount of natural tip wear. An extra wide base. This is a big and heavy tooth. Note - this tooth was cracked in a freeze cycle as evidenced by the cracks in the top half of the tooth. The preparator did a exceptional job prepping this tooth and it is rock solid now. A small area of the cutting edge was rebuilt about midway on both the anterior and posterior sides (see final photo). Excellent overall condition for a big Rex tooth. A incredibly rare & special tooth! T-Rex was the apex during the late Cretaceous with massive teeth capable of crushing its prey. See the detailed description to determine how to tell a real T-Rex tooth! Legally collected on private land in the Hell Creek Fm., Faith, Harding Co., So. Dakota. Authenticity guaranteed. Note - Riker frame included. The largest T-rex tooth (crown) that I have offered! Top quality Rex teeth over 4" are the holy grail of the dinosaur collecting world. You just can't find quality 4"+ teeth at any price. 

DT01 BoP      SIZE:  4-1/2"   (1-1/2" W)

A LARGE, incredible natural Nautiloid ammonite from the Cretaceous of Madagascar. The aragonite shell is nicely articulated. Very wide (thick), fully inflated, and very heavy. Exceptional color and preservation. A gorgeous display item!  Authenticity guaranteed. Comes this the chrome steel stand as photographed. Note - This item weighs 6.85 lbs.  International customers will not have free shipping.

X274        Size: 6"   (4-1/2" wide)

Note - Adding 6 Madagascar ammonites in July 2023 -->   Link to Madagascar ammonites

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. This is a very special, prefect little dome!  (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 LARGE, incredible natural Nautiloid ammonite from the Cretaceous of Madagascar. The aragonite shell is nicely articulated. Very wide (thick), fully inflated, and very heavy. Exceptional color and preservation. A gorgeous display item!  Authenticity guaranteed. Comes this the chrome steel stand as photographed. Note - This item weighs 6 lbs.  International customers will not have free shipping.

X276        Size: 5-5/8"   (4-1/4" wide)

Note - Adding 6 Madagascar ammonites in July 2023 -->   Link to Madagascar ammonites

A LARGE, incredible natural Nautiloid ammonite from the Cretaceous of Madagascar. The aragonite shell is nicely articulated. Very wide (thick), fully inflated, and very heavy. Exceptional color and preservation. A gorgeous display item!  Authenticity guaranteed. Comes this the chrome steel stand as photographed. Note - This item weighs 7.35 lbs.  International customers will not have free shipping.

X273        Size: 6-1/4"   (4-11/16" wide)

Note - Adding 6 large Madagascar ammonites in July 2023 -->   Link to Madagascar ammonites

An EXTRA LARGE, incredible natural Nautiloid ammonite from the Cretaceous of Madagascar. A July Fossil of the Month. The aragonite shell is nicely articulated. Very wide (thick), fully inflated, and very heavy. Exceptional color and preservation. A gorgeous display item!  Authenticity guaranteed. Comes this the chrome steel stand as photographed. Note - This item weighs 8.5 lbs.  International customers will not have free shipping.

X272        Size: 7"   (4-13/16" wide)

Note - Adding 6 large Madagascar ammonites in July 2023 -->   Link to Madagascar ammonites

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, Mioplosus fish from the 18 inch layer with frame. The Mioplosus labracoides is an extinct Perch-like fish from the Eocene age (50 MYA), Green River Fm., Lincoln Co. Wyoming. A scarce species. This piece is from the 18 Inch Layer which is extremely hard and difficult to prepare. It also provides the most detailed, highly preserved fossils. Exceptional preservation and preparation. No repair. All natural. Authenticity guaranteed. Museum quality specimen

X490       SIZE: 5-3/8"    

Note - Added 17 Green River Fm. Fossil fish in November 2025.  -->  Link to Fossil Fish

An EXTRA LARGE, Top Quality Mosasaur vertebra from the phosphate mining region, Khouribga, Morocco. This is a thick and heavy vertebra. Extra thick. Has some cracks. No repair or restoration.  Authenticity guaranteed. 

M1180        SIZE: 3-1/2" x 3-1/4"  (2-1/4" thick)    

Note - Adding 7 new Mosasaur vertebra in November 2022. -->  Link to Mosasaur fossils.