Search results for: 'sinonimos de caves 1'

A very rare Top Quality Paraisurus compressus, an extinct Mackerel shark, tooth from Tarrant Co., Texas. An excellent example of this Lower Cretaceous Paw Paw Fm. tooth. These teeth have a unique design with a a very compressed tooth, very high root face, no cusps, and long slender root lobes. Authenticity guaranteed. You do not see these teeth very often.

T225            SIZE: 9/16"

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

A Top Quality Ptychodus decurrens, an extinct durophagous (shell-crushing) shark, tooth from Travis Co., Texas. An excellent example of this Upper Cretaceous So. Bosque Shale Fm. tooth. These massive teeth have a design with transverse ridges extending across the cusp face and the margins. Authenticity guaranteed. Perfect tooth. A rare species.

T106            SIZE: 5/16"

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

A Top Quality Ptychodus latissimus, 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 5 to 6 strong transverse ridges extending across the cusp face and granular margins. Authenticity guaranteed. Perfect tooth. 

T294            SIZE: 13/16"

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

A Top Quality Ptychodus polygyrus, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Arcadia Park 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. Perfect tooth. This is a rare species.

T264            SIZE: 7/16"

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

A Top Quality Negaprion brevirostos, Lemon shark, tooth from Baja, Mexico. Highest quality enamel. Excellent tan color with a tan root. The root shows good detail. Very good preservation and condition. This is a Miocene age tooth from the Rosarita Beach Fm. Authenticity guaranteed. A fantastic collector's tooth from a rare locality.  

MX342        Size: 3/4"

Posting 19 species (68 rare shark teeth) from Baja, Mexico.   Link to Mexican shark teeth -> Mexico shark teeth

A rare, Top Quality Avisaurus archibaldi tooth from the Hell Creek Fm. of Montana. A extinct primitive toothed bird from the Enantiornithine bird family. These teeth are triangular and thin, and the crown is non-serrate and may have longitudinal ridges. The root has to has a strong vertical notch. No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. Authenticity guaranteed. 

DM09       Size: 3/16"

Note - Adding 10 new Avisaurus teeth in July 2021      Link to Avisaurus catalog.

A rare, Top Quality Ctenacanthus occidentalis 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: Voskresensk, Russia

R011       SIZE: 5/16" wide

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

A rare, Top Quality Ctenacanthus artiensis tooth from the Paleozoic era in what is now Russia. Great color. A well preserved specimen. The matrix broke on this specimen Authenticity guaranteed. An excellent collector's tooth!

Age: Lower Permian (284 MYA), Arty Fm.

Location: Krasnoufimsk, Russia

R016       SIZE: 5/16" height

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

A rare, Top Quality Ctenacanthus obruchevi 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: Lower Permian (284 MYA), Arty Fm.

Location: Krasnoufimsk, Russia

R020       SIZE: 3/16" wide

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

A very rare EXTRA LARGE, Top Quality Lagarodus angustus tooth from the Paleozoic era in what is now Russia. Beautiful color. A well preserved specimen. Complete tooth. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth!

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

Location: Achkasovo, Russia

R051       SIZE: 13/16"  wide

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

A rare, Top Quality Poecilodus circinnas 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

R081       SIZE: 3/16"  wide 

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

An ultra rare, Top Quality Polyrhyzodus cancavus tooth from the Paleozoic era in what is now Russia. Great color. A well preserved specimen. There is a matrix break and tooth may have broke. Authenticity guaranteed. An excellent collector's tooth! 

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

Location: Achkasovo, Russia

R121       SIZE: 15/16"  wide  (3/4" height)

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