Search results for: 'call of guid is my co posted'

A LARGE, TOP QUALITY Nanotyrannus lancensis tooth from the western US. This tooth measures 1-5/8" (straight line). The enamel is excellent quality. The posterior serrations are excellent. 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. Note - a Riker display case is included.

DN03       SIZE: 1-5/8"

Note - Adding 19 Nanotyrannus teeth in November 2025  ->  Link to Nano Teeth

A LARGE, TOP QUALITY Nanotyrannus lancensis tooth from the western US. This tooth measures 1-5/8" (straight line). The enamel is excellent quality. The posterior serrations are excellent. 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. Note - a Riker display case is included.

DN03       SIZE: 1-5/8"

Note - Adding 19 Nanotyrannus teeth in November 2025  ->  Link to Nano Teeth

A LARGE, TOP QUALITY Nanotyrannus lancensis tooth from the western US. This tooth measures 1-5/8" (straight line). The enamel is excellent quality. The posterior serrations are excellent. 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. Note - a Riker display case is included.

DN01       SIZE: 1-5/8"

Note - Adding 19 Nanotyrannus teeth in November 2025  ->  Link to Nano Teeth

A Top Quality Ptychodus polygyrus, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Arcadia Park Fm. tooth. These massive teeth have a design with 8 to 9 fine transverse ridges extending across the cusp face and transition to a concentric pattern at the base of the cusp. Authenticity guaranteed. Perfect tooth. This is a rare species.

T265            SIZE: 3/8"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

A Top Quality Ptychodus polygyrus, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Arcadia Park Fm. tooth. These massive teeth have a design with 8 to 9 fine transverse ridges extending across the cusp face and transition to a concentric pattern at the base of the cusp. Authenticity guaranteed. Perfect tooth. This is a rare species.

T264            SIZE: 7/16"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

A Top Quality Ptychodus polygyrus, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Kamp Ranch Fm. tooth. These massive teeth have a design with 8 to 9 fine transverse ridges extending across the cusp face and transition to a concentric pattern at the base of the cusp. Authenticity guaranteed. Perfect tooth. This is a rare species.

T263            SIZE: 5/8"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

A Top Quality Ptychodus polygyrus, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Kamp Ranch Fm. tooth. These massive teeth have a design with 8 to 9 fine transverse ridges extending across the cusp face and transition to a concentric pattern at the base of the cusp. Authenticity guaranteed. Perfect tooth. This is a rare species.

T262            SIZE: 13/16"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

A Top Quality Ptychodus mortoni, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Eagle Ford Fm. tooth. These  teeth have a design that includes a high cusp with radiating occlusal ridges extending across the cusp face. Authenticity guaranteed. P. mortoni is a rare species in Texas, and when teeth get this large they are extremely rare!

T391            SIZE: 1-1/16"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

A Top Quality Ptychodus mortoni, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Eagle Ford Fm. tooth. These  teeth have a design that includes a high cusp with radiating occlusal ridges extending across the cusp face. Authenticity guaranteed. P. mortoni is a rare species in Texas, and when teeth get this large they are extremely rare!

T390            SIZE: 1-1/16"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

A TOP QUALITY, Metasequoia dakotensis cone from Montana. These "dinosaur age" pine cones are found in the Hell Creek Formation of Dawson Co., Montana. These Upper Cretaceous pine cones are high quality with great preservation.They are fully inflated spheres and maximun size (redwoods produce very small cones for their size!). The Metasequoia is the "dawn redwood", and it is one of the three redwood conifers species. Authenticity guaranteed. 

X368       Size: 3/4"

Note - Adding 26 new pine cone specimens in March 2022.      Link to Pine Cone fossils.

A TOP QUALITY, Metasequoia dakotensis cone from Montana. These "dinosaur age" pine cones are found in the Hell Creek Formation of Dawson Co., Montana. These Upper Cretaceous pine cones are high quality with great preservation.They are fully inflated spheres and maximun size (redwoods produce very small cones for their size!). The Metasequoia is the "dawn redwood", and it is one of the three redwood conifers species. Authenticity guaranteed. 

X366       Size: 7/8"

Note - Adding 26 new pine cone specimens in March 2022.      Link to Pine Cone fossils.

A rare, Top Quality Avisaurus archibaldi tooth from the Hell Creek Fm. of Montana. A extinct primitive toothed bird from the Enantiornithine bird family. These teeth are triangular and thin, and the crown is non-serrate and may have longitudinal ridges. The root has a strong vertical notch. No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. Authenticity guaranteed. 

DM10       Size: 1/8"+

Note - Adding 10 new Avisaurus teeth in July 2021      Link to Avisaurus catalog.