Search results for: 'alta 15 sperm with replacement first'

An EXTRA LARGE, beautifully prepared Asaphus punctatus trilobite from Saint Petersburg. A very nice three lobe design. Note the raised eyes to see in soft sediment. The high eye stalks were used to find prey and identify predators. An Ordovician (470 mya) trilobite from the Saint Petersburg region, Russia. Exceptional quality and preservation! This is a big specimen! Authenticity guaranteed.  Note - This specimen weighs 1.3 lbs. A shipping surcharge will apply to international orders.

XR154        Size: 3-1/4"  (1-15/16" W)

Note - Posted two new Russian Triolbites in November 2020   ->    Link to Russian Trilobites

A TOP QUALITY Bone Valley Megalodon upper jaw tooth from Polk Co., Florida. A rare Green colored tooth. Highest quality enamel. The bourlette is a two-tone tan color and 100% complete. Excellent color! The serrations are large & razor sharp with a damaged tip serration. Good serrations. The root is complete with no hydration cracks. An excellent Miocene Megalodon tooth. Excellent symmetry. 100% natural. NO repair or restoration! A color collector's Meg tooth from Bone Valley. Authenticity guaranteed. 

F019       SIZE: 2-1/16"  

Note - Adding 15 Bone Valley Megalodon teeth in December 2020   -->   Link to Bone Valley Megalodon Teeth

A TOP QUALITY Bone Valley Megalodon upper jaw tooth from Polk Co., Florida. An excellent tan colored tooth. Highest quality enamel. The bourlette is a brown color and 100% complete. Excellent color! The serrations are large & razor sharp with a damaged tip serration. Very good serrations. The root has a damaged corner and a small hydration crack. An excellent Miocene Megalodon tooth. Excellent symmetry. 100% natural. NO repair or restoration! A color collector's Meg tooth from Bone Valley. Authenticity guaranteed. 

F017       SIZE: 2-11/16"  

Note - Adding 15 Bone Valley Megalodon teeth in December 2020   -->   Link to Bone Valley Megalodon Teeth

An Extra Large, Top Quality Denversaurus schlessmani  tooth from the late Cretaceous of North America. Denversaurus schlessmani was the large Nodosaur which grew to 20 feet and 6000 pounds. The enamel is very good quality with excellent color and patina. Crown has some feeding wear. No cracks or restoration. Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. Authenticity guaranteed. An excellent collector quality large Denversaurus tooth. Note - tooth comes with the gem case pictured.

DK02        SIZE: 1/2"   (1/2" W)

Note - Adding 15 new Ankylosaur / Nodosaur fossils in December 2020.       Link to Ankylosaur fossils catalog.

An EXTRA LARGE, very rare, GEM Quality Parotodus benedeni  tooth with a massive root from Euhaw Creek, Jasper Co., So. Carolina. A Miocene-Pliocene age tooth from the Hawthorne Fm. Nice Charcoal Gray color. Lateral tooth. Highest quality enamel with razor sharp edges and a "needle-like" sharp tip. Root is complete, thick (11/16"), nicely articulated, and a very small hydration crack. No wear! No repair or restoration. Authenticity guaranteed. A very difficult tooth to locate.

SC869              SIZE: 2-3/4"+ 

Adding 15 So. Caroilna Parotodus benedeni teeth in May 2025.  ->   Link to SC Parotodus benedeni teeth.

A Top Quality Pachychephalosaurus wyomingensis pes ungual (foot claw) from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. This ungual has excellent color and patina. Complete and well preserved with slight tip wear. Overall an excellent pes ungual. Note - this ungual has the Pachy twist (see Pachy ungual differentiation discussion below). No repair or restoration. An ultra rare Pachy pes ungual! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. No repair or restoration. An exceptional collector's quality Pachychephalosaurus claw. Museum quality. Note - claw comes with a Riker type frame. Authenticity guaranteed.

DP22       SIZE: 1-1/2"   

Note - Adding 13 new Pachy spikes, claws, and teeth in April 2023.   Link to Pachy fossils catalog

A GEM  Pachychephalosaurus wyomingensis pes ungual (foot claw) from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. This ungual has excellent color and patina. Complete specimen. An exceptional pes ungual. Note - this ungual has a strong Pachy twist (see Pachy ungual differentiation discussion below). No repair or restoration. An ultra rare Pachy pes ungual! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An exceptional collector's quality Pachychephalosaurus claw. Museum quality. Note - claw comes with a Riker type frame. Authenticity guaranteed. You do not see these top quality claws any more...

DP23       SIZE: 1-5/8"   

Note - Adding 4 new Pachy unguals in July 2018.       Link to Pachy fossils catalog

A Top Quality Pachychephalosaurus wyomingensis pes ungual (foot claw) from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. This ungual has excellent color and patina. Complete specimen with a very small amount of tip wear. An exceptional pes ungual. Note - this ungual has a strong Pachy twist (see Pachy ungual differentiation discussion below). No repair or restoration. An ultra rare Pachy pes ungual! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An exceptional collector's quality Pachychephalosaurus claw. Museum quality. Note - this claw comes with a Riker type frame. Authenticity guaranteed.

DP24       SIZE: 1-7/16"   

Note - Adding 4 new Pachy unguals in July 2018.       Link to Pachy fossils catalog

A LARGE, Top Quality Pachychephalosaurus wyomingensis pes ungual (foot claw) from the late Cretaceous of northern North America. An April Fossil of the Month. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. This ungual has exceptional color and patina. Overall an excellect pes ungual. Note - this ungual exbibits the "Pachy twist " (see Pachy ungual differentiation discussion below). No repair or restoration. An ultra rare Pachy pes ungual! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An exceptional collector's quality Pachychephalosaurus ungual. Museum quality. My largest Pachy claw. Note - claw comes with a Riker type frame. Authenticity guaranteed. Authenticity guaranteed.

DP21       SIZE: 2"   

Note - Adding 6 new Pachy spikes, claws, and teeth in February  2025.    Link to Pachy fossils catalog

A scarce Top Quality, Isurus retroflexus, the Longfin Mako shark tooth (upper jaw lateral tooth) from the Lee Creek mine, Aurora, No. Carolina. This tooth has a rich blue & tan crown and a tan colored root. Excellent colors!  Sharp cutting edge. The rear top of root has a "shoulder" build up, a characteristic of Isurus retroflexus. Excellent preservation - note nutrient hole on root. It is a Miocene tooth from the Pungo River Fm. An excellent collector's tooth. Authenticity guaranteed. A difficult tooth to source.

LC386      Size: 1-5/8"

Note - Adding 15 new Lee Creek Longfin Mako teeth in March 2023.     Link to Lee Creek Longfin Mako Teeth.   

A scarce Top Quality, Isurus retroflexus, the Longfin Mako shark tooth (upper jaw lateral tooth) from the Lee Creek mine, Aurora, No. Carolina. This tooth has a rich tan crown and a brown colored root. Excellent colors!  Sharp cutting edge. The rear top of root has a "shoulder" build up, a characteristic of Isurus retroflexus. Excellent preservation - note nutrient hole on root. It is a Miocene tooth from the Pungo River Fm. An excellent collector's tooth. Authenticity guaranteed. A difficult tooth to source.

LC385      Size: 1-11/16"

Note - Adding 15 new Lee Creek Longfin Mako teeth in March 2023.     Link to Lee Creek Longfin Mako Teeth.   

A scarce Top Quality, Isurus retroflexus, the Longfin Mako shark tooth (upper jaw anterior tooth) from the Lee Creek mine, Aurora, No. Carolina. This tooth has a rich tan crown and a tan colored root. Excellent colors!  Sharp cutting edge. The rear top of root has a "shoulder" build up, a characteristic of Isurus retroflexus. Excellent preservation - note nutrient hole on root. It is a Miocene tooth from the Pungo River Fm. An excellent collector's tooth. Authenticity guaranteed. A difficult tooth to source.

LC384      Size: 1-5/8"

Note - Adding 15 new Lee Creek Longfin Mako teeth in March 2023.     Link to Lee Creek Longfin Mako Teeth.