Search results for: 'bone evolution paper à first revêtue'

An EXTRA LARGE "Prosqualodon" tooth with a big root structure from the Sharktooth Hill area, near Bakersfield, CA. Excellent preservation and gorgeous color. Small amount of tip damage - very typical for this species. A mid Miocene Giant Dolphin-like creature. Authenticity guaranteed. My favorite giant dolphin-like creature species.

ST903              SIZE: 2-3/8" 

Note - Adding 10 new Prosqualodon teeth  in July 2019  -->   Link to Prosqualodon Dolphin Teeth

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

TG108         SIZE: 1-3/8"

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

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

TG107         SIZE: 1-7/16"

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

A LARGE, Top Quality Serratolamna koerti, an extinct Sand Tiger shark, tooth from the phosphate mines of Hahotoe, Togo. An anterior tooth with large 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.

TG106         SIZE: 1-7/16"

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

A 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.

TG104         SIZE: 1-3/8"

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

A Top Quality Petrodus barbotanus dermal denticle 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 denticle!

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

Location: Achkasovo, Russia

R071       SIZE: 1/4"  wide (3/16" height)

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

A rare, Top Quality Symmorium lamnoides 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

R161     SIZE: 1/2" height

Adding 65 Russian Paleozoic teeth in July 2021.  Link to Russian Paleozoic 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 TOP QUALITY Termarctos floridanus, an extinct Florida Cave bear, lower jaw from the Pleistocene of the Santa Fe River, Florida.  This jaw includes a canine and molar with excellent preservation. It's complete with absolutely no restoration or repair. A wonderful Pleistocene jaw specimen and display piece. Authenticity guaranteed. Note - this bear jaw comes with a 4-1/2"x 5-1/2" Riker frame.

X731          SIZE: 3”

Note – adding 4 bear teeth in December 2022.   Link to Bear teeth fossils

A rare Hemipristis serra tooth, the Snaggletooth shark, from Sumatra, Indonesia. These teeth were deposited in the Telisa formation - a shallow marine environment during the middle Miocene (approx. 15 million years ago.) A very unique collector's tooth. Authenticity guaranteed.

D032       SIZE: 1-1/8"

Note - 8 new Sumatran Hemipristis teeth added in January 2018.       Link to Sumatran teeth.

A well preserved, Zarafasaura oceanis Plesiosaur tooth, a large extinct upper Cretaceous marine reptile from the phosphate  region (Oulad Abdoun Basin), Khouribga, Morocco. This Plesiosaur has been named Zarafasaura oceanis in 2011. One crack. No restoration. A fantastic specimen. Authenticity guaranteed. 

M1123             SIZE: 1-3/4"

Note - Posted 7 Plesiosaur teeth in November 2025.  -->  Link to Moroccan Plesiosaur teeth

A rare Top Quality, lower jaw Notorynchus sp., Seven-gill Cow shark, tooth from Katchar, Kazakhstan. An unusual undescribed Eocene (Priabonian) Cow shark species. Kazakh N. species teeth are quite rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. A near Perfect tooth. One of the finest localities for Eocene age shark teeth!

K452           SIZE: 3/8"

Note - Adding 30 Kazakh Notorhynchus teeth in April 2022.    Kazakhstan Notorhynchus Catalog