Search results for: 'cow my guid base medium 2 paleo'

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. Near perfect tooth - root not complete. This is a rare species.

T261            SIZE: 1"

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

An incredible, EXTRA LARGE polished ammonite display piece showing the intricate internal chamber structure. The rock matrix is a beautiful material and the Ammonite cavities are mineral filled! The ammonite is beautifully polished on all sides and is displayed using a natural matrix stand. Authenticity gauranteed. A fantastic display item! Overall height with base is 9-5/8". Note - this item weighs 4.8 lbs. An international supplemental postage charge will be applied.

Name: Goniatities sp. , Age: Devonian (350 MM years ago), Location: Atlas Mt., Morocco

M2020       Size: 8-1/8"+

A TOP QUALITY Nanotyrannus lancensis premaxillary tooth from the western US. The premaxillary teeth were the front teeth, have a "D" shaped base, and were not large. Most Nano premaxillary teeth are non-serrate. This tooth measures 5/8" (straight line). The enamel is excellent quality. No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. Authenticity guaranteed.  An excellent collector's Nano tooth. 

DN24        SIZE: 5/8"

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

A TOP QUALITY Nanotyrannus lancensis premaxillary tooth from the western US. The premaxillary teeth were the front teeth, have a "D" shaped base, and were not large. Most Nano premaxillary teeth are non-serrate. This tooth measures 11/16" (straight line). The enamel is excellent quality. No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Harding Co., So. Dakota. Authenticity guaranteed.  An excellent collector's Nano tooth. 

DN22        SIZE: 11/16"

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

A natural Hoploscaphites nebrascensis ammonite with excellent preservation of the shell material. The ammonite shell has some iridescence. This ammonite species exhibits big ribs with multiple rows of tubercles (nodes). This specimen is sits in an original Pierre Shale nodule with a flat base for a great display. The end is filled with calcite crystals! This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.  

SD07        Size: 1-5/8"

Note - Adding 6 So. Dakota ammonites in August 2025.  -->  Link to So. Dakota Ammonites

Two natural Hoploscaphites nebrascensis ammonites with excellent preservation of the shell material. The ammonites are fully exposed and their shells exhibit some natural iridescence. This ammonite species exhibits big ribs with multiple rows of tubercles (nodes). This specimen is sits in an original Pierre Shale nodule with a flat base for a great display. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.  

SD04        Size: 1-3/4"

Note - Adding 6 So. Dakota ammonites in August 2025.  -->  Link to So. Dakota Ammonites

A rare Akantharges mbareki trilobite. This rare trilobite species has only been available for 5 years. A very ornate design with spines and tubercles on its cephalon and pygidium! This species appears to be armored or designed to blend into its environment for protection. Excellent shell and spine preservation. Good size. A very rare species! A Middle Devonian (380 mya) trilobite from the Tinejdad area, Atlas Mts., Morocco. Authenticity guaranteed. A very unusual trilobite species!

XM04        Size: 1-1/4"  x  1-1/4"

Note - More than 20 high quality Devonian age Moroccan trilobite species for sale. Authenticity guaranteed.  -->  Link to Moroccan Trilobites.

A beautifully prepared, Asaphus kowalewskii trilobite from the Vilpovitsy quarry, Saint Petersburg region, Russia. There are also two Echinosphaerites, a genus of rhombiferan cystoid echinoderms.  This trilobite has a very nice three lobe design, and interesting extended eye stalks that have evolved to see in soft & murky sediment. A Middle Ordovician trilobite, Aseri level, (470 mya). Exceptional quality and preservation! Authenticity guaranteed. Note - This specimen weighs 2 lbs. A shipping surcharge will apply to international orders.

XR144        Size:  2-3/8"  (1-1/2" W)  

Note - Adding 8 new Russian Trilobites in October 2024.    -->    Link to Russian Trilobites

A LARGE, Top Quality Enchodus libycus tooth from the phosphate region of Morocco. This specimen is still attached to the jaw section. The Enchodus was a fearsome fish with giant teeth from the Late Cretaceous. Complete specimen with no repair! Authenticity guaranteed. Note - this specimen weighs 2.5 pounds. International orders with "free shipping" will require supplemental postage. 

M1001           SIZE: 3"  x  2-1/2" wide

Note - One new Enchodus teeth added in January 2026.      Enchodus Catalog Link

A Top Quality Otodus sokolovi tooth from Harleyville, So. Carolina (Giant Cement Quarry). Otodus sokolovi is the ancestor of O. auriculatus. An excellent lateral tooth. An excellent gray colored crown with a black colored bourlette, and a charcoal colored root. Highest quality enamel. Excellent color & preservation. The serrations are large and razor sharp including the tip. Two large side cusps. The root is complete and very well preserved. It is very hard to find these teeth in perfect condition. An excellent collector's Harleyville O. sokolovi tooth! Authenticity guaranteed. Near perfect tooth. Another well known shark tooth site that is no longer accessible to collectors.

SC413              SIZE: 2-3/8"

Note - Adding 18 Harleyville Auriculatus teeth in March 2025.     Link to the Harleyville Auriculatus teeth.

A Top Quality Otodus sokolovi tooth from Harleyville, So. Carolina (Giant Cement Quarry). Otodus sokolovi is the ancestor of O. auriculatus. An excellent lateral tooth. An excellent gray colored crown with a black colored bourlette, and a light charcoal colored root. Highest quality enamel. Excellent color & preservation. The serrations are large and razor sharp including the tip. Two large side cusps. The root is complete and very well preserved. It is very hard to find these teeth in perfect condition. An excellent collector's Harleyville O. sokolovi tooth! Authenticity guaranteed. Near perfect tooth. Another well known shark tooth site that is no longer accessible to collectors.

SC411              SIZE: 2-3/8"

Note - Adding 18 Harleyville Auriculatus teeth in March 2025.     Link to the Harleyville Auriculatus teeth.

A Top Quality Otodus sokolovi tooth from Harleyville, So. Carolina. Otodus sokolovi is the ancestor of O. auriculatus. An excellent lateral tooth. An excellent gray colored crown with a brown colored bourlette, and a lbrown colored root. Highest quality enamel. Excellent color & preservation. The serrations are large and razor sharp including the tip. Two extra large side cusps. The root is complete and very well preserved. It is very hard to find these teeth in perfect condition. An excellent collector's Harleyville O. sokolovi tooth! Authenticity guaranteed. Near perfect tooth. Another well known shark tooth site that is no longer accessible to collectors.

SC408              SIZE: 2-9/16"

Note - Adding 18 Harleyville Auriculatus teeth in March 2025.     Link to the Harleyville Auriculatus teeth.