Search results for: 'grows o good upper age/'

A very rare, LARGE, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. A rare double crown section with lots of pyrite. Excellent preservation, serrations, and serration detail. The Edestus shark would have an upper and lower tooth whorl that are vertically opposed. Research showed that they could use their opposing teeth in a scissor-like motion or a vertical whipping motion to cut prey. It is the first animal to cut vertically. A very strange looking and unique acting shark. Shark recreation image is credited to Julio Lacerdo. These rare teeth are Pennsylvanian age from Illinois. No repair or restoration. Authenticity guaranteed. 

I04        SIZE:  3" w/ root  (1-7/8" crown) 

Adding 22 Edestus shark teeth in July 2025.    Link to Edestus shark.

An EXTRA LARGE, Top Quality Serratolamna koerti, an extinct Sand Tiger shark, tooth from the phosphate mines of Hahotoe, Togo. An anterior tooth with the thinner curved cusps. Excellent color and preservation. This tooth is Lutetian age (45 MYA), lower middle Eocene. No repair or restoration. Authenticity guaranteed. A Near Perfect tooth.

TG103         SIZE: 1-9/16"

Note - Adding 117 shark teeth from Togo in March 2022.    Link to Togo Shark Teeth

An EXTRA LARGE, Top Quality Serratolamna koerti, an extinct Sand Tiger shark, tooth from the phosphate mines of Hahotoe, Togo. An anterior tooth with the thinner curved cusps. Excellent color and preservation. This tooth is Lutetian age (45 MYA), lower middle Eocene. No repair or restoration. Authenticity guaranteed. A Near Perfect tooth.

TG102         SIZE: 1-11/16"

Note - Adding 117 shark teeth from Togo in March 2022.    Link to Togo Shark Teeth

An EXTRA LARGE, Top Quality Serratolamna koerti, an extinct Sand Tiger shark, tooth from the phosphate mines of Hahotoe, Togo. An anterior tooth with the thinner curved cusps. Excellent color and preservation. This tooth is Lutetian age (45 MYA), lower middle Eocene. No repair or restoration. Authenticity guaranteed. A Near Perfect tooth.

TG101         SIZE: 1-3/4"

Note - Adding 117 shark teeth from Togo in March 2022.    Link to Togo Shark Teeth

An EXTRA LARGE, TOP QUALITY Spinosaurus aegyptiacus tooth from the Kem Kem region of Morocco. A rare  rooted tooth! Highest quality enamel with well preserved and pronounced grooves running up the crown. Excellent dark red color. Extra wide base (1-7/16"). One crack. Some tip wear - a very good tip. Some root crack fill. An excellent quality, BIG collector's Spinosaurus tooth!  Authenticity guaranteed.

M1231       Size: 4-7/8"    (1-7/16")

Note - Adding 15 new Spinosaurus teeth added in April 2024.     Link to Spinosaurus teeth.

A Top Quality Serratolamna koerti, an extinct Sand Tiger shark, tooth from the phosphate mines of Hahotoe, Togo. A lateral tooth. Note - this tooth developed a cool pathology to the right cusp area due to biting a dislodged tooth. Excellent color and preservation. This tooth is Lutetian age (45 MYA), lower middle Eocene. No repair or restoration. Authenticity guaranteed.

TG112         SIZE: 1-5/16"

Note - Adding 117 shark teeth from Togo in March 2022.    Link to Togo Shark Teeth

A natural Hoploscaphites nodosus ammonite with excellent preservation of the shell material. This ammonite species exhibits big ribs with large tubercles (nodes). The shell is complete and matrix free. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.  

SD05        Size: 2-1/2"

Note - Adding 10 So. Dakota ammonites in December 2020.  -->  Link to So. Dakota Ammonites

A natural Hoploscaphites brevis ammonite with great preservation of the shell material. This specimen is sits in an original Pierre Shale 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.

SD11        Size: 1-3/4"

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

A Top Quality Pachychephalosaurus wyomingensis maxillary tooth from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. The enamel is excellent quality with excellent color / patina. Typical wear faucet from grinding on opposing teeth. Note - high center ridge and assymetry (see Pachy maxillary teeth differentiation discussion below). No cracks or restoration. An ultra rare Pachy maxillary tooth! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Pachychephalosaurus tooth. My best rooted maxillary Pachy tooth. Note - tooth comes with the gem case pictured. Authenticity guaranteed.

DP03 BoP      SIZE: 3/4"+    

Note - Adding 13 new Pachy fossils in July 2018.       Link to Pachy fossils catalog

A Top Quality Pachychephalosaurus wyomingensis maxillary tooth from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. The enamel is excellent quality with excellent color / patina. No wear faucet from grinding on opposing teeth. Note - strong high center ridge and assymetry (see Pachy maxillary teeth differentiation discussion below). No cracks or restoration. An ultra rare Pachy maxillary tooth! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Pachychephalosaurus tooth. Note - tooth comes with the gem case pictured. Authenticity guaranteed.

DP05       SIZE: 5/8"+    

Note - Adding 13 new Pachy fossils in July 2018.       Link to Pachy fossils catalog

A Top Quality Pachychephalosaurus wyomingensis maxillary tooth from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. The enamel is excellent quality with excellent color / patina. Typical wear faucet from grinding on opposing teeth. Note - less pronounced high center ridge and some assymetry (see Pachy maxillary teeth differentiation discussion below). No cracks or restoration. An ultra rare Pachy maxillary tooth! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Pachychephalosaurus tooth. Note - tooth comes with the gem case pictured. Authenticity guaranteed.

DP06       SIZE: 1/2"+    

Note - Adding 13 new Pachy fossils in July 2018.       Link to Pachy fossils catalog

A Top Quality Pachychephalosaurus wyomingensis maxillary tooth from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. The enamel is excellent quality with excellent color / patina. Typical wear faucet from grinding on opposing teeth. Note - strong high center ridge and some assymetry (see Pachy maxillary teeth differentiation discussion below). No cracks or restoration. An ultra rare Pachy maxillary tooth! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Pachychephalosaurus tooth. Note - tooth comes with the gem case pictured. Authenticity guaranteed.

DP07       SIZE: 9/16"    

Note - Adding 13 new Pachy fossils in July 2018.       Link to Pachy fossils catalog