Search results for: '2021 s with age central il'

A LARGE, 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!  Near Pefect tooth.

T374            SIZE: 1-3/8"

Adding 24 Ptychodus mortoni teeth in August 2025.   Link to Texas shark teeth

A LARGE, 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!  

T373            SIZE: 1-3/8"

Adding 24 Ptychodus mortoni teeth in August 2025.   Link to Texas shark teeth

A LARGE, 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!  

T372            SIZE: 1-3/8"

Adding 24 Ptychodus mortoni teeth in August 2025.   Link to Texas shark teeth

An EXTRA LARGE, High 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! The last of my largest teeth.  

T371            SIZE: 1-3/4" x 1' height

Adding 24 Ptychodus mortoni teeth in August 2025.   Link to Texas shark teeth

A gorgeous Quenstedticeras lamberti ammonite from the Saratov region of Russia. Incredible pyrite replaced ammonite with a crystal lined interior. This ammonite has natural irredescent crystal colors - very nice. Excellent pyrite crystals!  Middle Jurassic age. Authenticity guaranteed. Note - supply of these pyrite ammonites stopped in 2011. This is the last of my inventory.

XR207      Size: 1-3/4"

Adding 23 pyritized Ammonites in November 2021.    Link to Pyritized ammonites.

A rare, Top Quality Ctenacanthus occidentalis tooth from the Paleozoic era in what is now Russia. Great color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth!

Age: Upper Carboniferous (310 MYA); Kasimov Fm.

Location: Achkasovo, Russia

R010       SIZE: 5/16"  Height

Adding 65 Russian Paleozoic teeth in July 2021.  Link to Russian Paleozoic teeth.

A rare, Top Quality Ctenacanthus occidentalis tooth from the Paleozoic era in what is now Russia. Great color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth!

Age: Upper Carboniferous (310 MYA); Kasimov Fm.

Location: Voskresensk, Russia

R011       SIZE: 5/16" wide

Adding 65 Russian Paleozoic teeth in July 2021.  Link to Russian Paleozoic teeth.

A rare, Top Quality Ctenacanthus sp. tooth from the Paleozoic era in what is now Russia. Great color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth!

Age: Lower Permian (284 MYA), Arty Fm.

Location: Krasnoufimsk, Russia

R012       SIZE: 5/16" wide

Adding 65 Russian Paleozoic teeth in July 2021.  Link to Russian Paleozoic teeth.

A rare, Top Quality Ctenacanthus sp. tooth from the Paleozoic era in what is now Russia. Great color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth!

Age: Lower Permian (284 MYA), Arty Fm.

Location: Krasnoufimsk, Russia

R013       SIZE: 1/8" wide

Adding 65 Russian Paleozoic teeth in July 2021.  Link to Russian Paleozoic teeth.

A very rare EXTRA LARGE, Top Quality Ctenacanthus sp. tooth from the Paleozoic era in what is now Russia. Great color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth!

Age: Lower Permian (284 MYA), Arty Fm.

Location: Asha, Russia

R014       SIZE: 5/8" height

Adding 65 Russian Paleozoic teeth in July 2021.  Link to Russian Paleozoic teeth.

A very rare LARGE,Top Quality Ctenacanthus artiensis tooth from the Paleozoic era in what is now Russia. Great color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth!

Age: Lower Permian (284 MYA), Arty Fm.

Location: Krasnoufimsk, Russia

R015       SIZE: 3/8" height

Adding 65 Russian Paleozoic teeth in July 2021.  Link to Russian Paleozoic teeth.

A rare, Top Quality Ctenacanthus artiensis tooth from the Paleozoic era in what is now Russia. Great color. A well preserved specimen. The matrix broke on this specimen Authenticity guaranteed. An excellent collector's tooth!

Age: Lower Permian (284 MYA), Arty Fm.

Location: Krasnoufimsk, Russia

R016       SIZE: 5/16" height

Adding 65 Russian Paleozoic teeth in July 2021.  Link to Russian Paleozoic teeth.