Search results for: 'recta de estudios 1 cave en chile vista'

A very rare, early Otodus aksuaticus lateral tooth from Kzil-Orda, Kazakhstan. A transitional tooth leading to O. auriculatus (see detailed discussion below) which leads to Megalodon. A July Fossil of the Month.The bourlette is complete. This tooth exhibits small serrations along the lower 1/2 of the crown and micro serrations to the tip. These teeth exhibit excellent color, gloss, and preservation. A rare, early (Ypresian) Eocene Auriculatus transition tooth.  A very challenging tooth to find when building a Megalodon evolutionary set! No repair or restoration. Authenticity guaranteed. This western Kazakhstan site is one of the few places in the world where the Otodus obliquus to Otodus auriculatus transition can be found in adjacent geologic layers. 

K544         SIZE: 1-3/4"

Note - Adding 24 Kazakh Auriuclatus or transition teeth in July 2024. -->  Link to Kazakh Auriculatus teeth.

A very rare, early Otodus aksuaticus lateral tooth from Kzil-Orda, Kazakhstan. A transitional tooth leading to O. auriculatus (see detailed discussion below) which leads to Megalodon. A July Fossil of the Month. The bourlette is complete. This tooth exhibits small serrations along the lower 1/2 of the crown and micro serrations to the tip. These teeth exhibit excellent color, gloss, and preservation. A rare, early (Ypresian) Eocene Auriculatus transition tooth.  A very challenging tooth to find when building a Megalodon evolutionary set! No repair or restoration. Authenticity guaranteed. This western Kazakhstan site is one of the few places in the world where the Otodus obliquus to Otodus auriculatus transition can be found in adjacent geologic layers. 

K542         SIZE: 2-1/8"

Note - Adding 24 Kazakh Auriuclatus or transition teeth in July 2024. -->  Link to Kazakh Auriculatus teeth.

A Top Quality, Rare Pachychephalosaurus wyomingensis spike from the late Cretaceous of northern North America. An April Fossil of the Month. A complete spike with excellent articulation. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by these spikes and nodes. These spikes and nodes were part of the Pachy skull. This spike has exceptional color / patina. The blood grooves are still present in the bone. It is a complete specimen with no cracks or breaks. Note - the excellent articulated skull surface on the base of the spike. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Pachychephalosaurus spike. You don't see these skull pieces very often. No repair or restoration. Authenticity guaranteed. My BEST Pachy spike remaining from the "Rancher's collection"!

DP31       SIZE: 1-5/8" Height   (Base: 2" x 1-3/8") 

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

A Top Quality, Rare Pachychephalosaurus wyomingensis node cluster from the late Cretaceous of northern North America. An August Fossil of the Month. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by these spikes and nodes (2+ nodes). This spike has excellent color / patina with exceptional surface articulation. The blood grooves are still present in the bone. It is a complete specimen with no cracks or breaks. This is a node cluster with a large node surrounded by a group of small nodes. Note -  the excellent articulated skull surface on the base of the node. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent and very rare collector's quality Pachychephalosaurus node cluster. You don't see these skull pieces very often. No repair or restoration. Authenticity guaranteed. A very special piece - my best cluster!

DP33  BoP     SIZE: 2" H  (Base: 1-7/8"  x  1-3/8")

Note - Adding 6 new Pachy spikes / nodes in August 2020.       Link to Pachy fossils catalog

"The Best of West Java".  An ultra rare EXTRA LARGE, TOP QUALITY 6-1/16" Megalodon - upper jaw tooth from West Java, Indonesia. A January Fossil of the Month. This Megalodon has an excellent tan & light red-brown and tan & brown bourlette color. The back of the crown has incredible color patterning. Highest quality enamel. Exceptional color! The bourlette is large and 98% complete. The serrations are razor sharp and complete with an excellent "needle-like" tip serration. Note the two large cutting edge waves at the base of the crown. Incredible serrations for a BIG Meg. The root is exceptionally wide (5-1/8" ) with a light brown color and complete with essentially no pitting. A Miocene Age tooth. No repair or restoration. A 100% natural tooth. Authenticity Guaranteed. An incedible colorful BIG Meg collector's tooth. Top quality 6" West Java teeth and excellent roots are very rare. This is a BIG, WIDE, and COLORFUL tooth!

IN102 BoP        Size: 6-1/16"   (5-1/8" W)

Note - Adding 3+ Indonesian Megalodon Teeth in January 2023. -> Link To Indonesian Megs

A Top Quality Tyrannosaur tooth from the late Cretaceous (Campanian) in northern North America. Please note that this tooth could Gorgosaurus or Daspletosaurus - see Detailed Discussion below. This tooth measures 1-1/8" - an excellent Tyrannosaur tooth. The enamel is highest quality with excellent color. Anterior serrations and posterior serrations are excellent. Tip repaired. No restoration. Legally collected on private land in the Judith River Fm., Hill Co., Montana. Authenticity guaranteed. An excellent collector's tooth. A GEM case display is included.

DY20         SIZE: 1-1/8"   (Base: 7/16" x 1/4")

Note - Added 26 new Tyrannosaur teeth in October 2025.     Link to Tyrannosaur teeth catalog.

A beautifully prepared, LARGE Leonaspis sp. trilobite. Very unique raised eyes design and long spines are fully exposed - see close up photo. Exceptional black shell and spines. A Middle Devonian (380 mya) trilobite from the Djebel Issoumour area, Atlas Mts., Morocco. Authenticity guaranteed. An excellent large sized GEM QUALITY specimen.

XM29       Size: 1-1/2"  (1-1/4" )

Adding 31 quality Moroccan trilobites in April 2025.     Link to Moroccan trilobites.

 A GEM, excellent, extra large Cetorhinus tooth. Perfect tooth!

ST752        SIZE: 3/16"

A GEM, excellent, extra large Cetorhinus tooth. Perfect tooth!

ST753          SIZE: 3/16"

A Top Quality juvenileTyrannosaur tooth from the late Cretaceous (Campanian) in northern North America. Please note that this tooth could Gorgosaurus or Daspletosaurus - see Detailed Discussion below. This tooth measures 1-1/16" - an excellent juvenile Tyrannosaur tooth. A dentary tooth. The enamel is highest quality with excellent color. Anterior serrations and posterior serrations are excellent. No cracks. A small base edge repair. No restoration. Legally collected on private land in the Judith River Fm., Hill Co., Montana. Authenticity guaranteed. An excellent collector's tooth. A Big small tooth!  A GEM case display is included.

DY24         SIZE: 1-1/16"   (Base: 1/2" x 3/8")

Note - Added 26 new Tyrannosaur teeth in October 2025.     Link to Tyrannosaur teeth catalog.

Museum Quality Caliper Display Stands These stands are 24-kt. gold plated solid brass construction. Opens from 1" to 3-3/4".

DD45        Size: 6"

A very rare, Top Quality Megalodon - upper jaw symphyseal tooth from Madura Island, East Java, Indonesia - new site. This Megalodon has an incredible tan and black color tooth. Highest quality enamel. Excellent color! The bourlette is complete. The serrations are razor sharp and complete with an excellent tip serration. Exceptional serrations. The root is complete. Miocene Age. No repair or restoration. Authenticity Guaranteed. Perfect tooth. A rare exotic symphyseal Megalodon tooth.

IN90        Size: 15/16"    (1-1/8" wide)

Note - Adding 11 Exotic Megalodon Teeth in November 2022. -> Link to TQ Indonesian Megs