Search results for: 'gem age guid'

A Top Quality Seven-Gill Cow shark (Notorhynchus) - Lower Jaw Symphyseal (very rare position) fossil shark tooth from Calvert Cliffs, Maryland. A female shark. Razor and complete sharp cusps. Miocene age from the Calvert Formation. Gorgeous tooth for the rare tooth collector! Near complete tooth. Authenticity guaranteed.

MD012             Size: 9/16" W

Fissodus sp.; an  Extinct Petalodont shark

A very rare tooth. Beautifully articulated. Essentially complete. Matrix free - rare! An extraordinary collector's tooth! New Kansas location.   Reverse Photo.

Age: Pennsylvanian (300 mya) ; Raytown Limestone Fm.

Location: Lenexa, Johnson Co., Kansas

Z122          SIZE: 3/8"

Janassa sp.; an  Extinct Petalodont shark

A very rare tooth. Beautifully articulated. Essentially complete. Matrix free - rare! An extraordinary collector's tooth! New Kansas location.   Reverse Photo.

Age: Pennsylvanian (300 mya) ; Raytown Limestone Fm.

Location: Lenexa, Johnson Co., Kansas

Z120          SIZE: 3/8"

Extra large size. Crown is nicely articulated. A well preserved extra large specimen. Rare species.  An excellent collector's tooth!

Age: Lower Carboniferous (320 MYA); Serpuchov Fm.

Location: Serpuchov, Russia

R036       SIZE: 3/8"+

New  GEM Brachycarcharias teeth. Upper jaw teeth.  Excellent color and preservation. Sharp edges. M1440 is a lower jaw anterior tooth.

M1439 (Left)       SIZE: 1-5/16"

New  GEM Brachycarcharias teeth. Upper jaw teeth.  Excellent color and preservation. Sharp edges. M1440 is a lower jaw anterior tooth.

M1440 (Right)         SIZE: 1-5/16"

Peripristis semicircularis ; an  Extinct Petalodont shark

A very rare, well preserved tooth. Beautifully articulated. An exceptional collector's piece from an old collection!  The best available!  

Age: Pennsylvanian (300 mya) ; Stanton Fm. (Missourian)

Location: Louisville, Cass Co., Nebraska

Z148          SIZE: 3/4"

A rare Acrodus lateralis  tooth. This tooth is from Muschelkalk limestone - middle Triassic age (240 million years old).

FR215                       SIZE: 3/16"

A rare Acrodus lateralis  tooth. This tooth is from Muschelkalk limestone - middle Triassic age (240 million years old).

FR216                    SIZE: 3/16"

A rare Acrodus lateralis  tooth. This tooth is from Muschelkalk limestone - middle Triassic age (240 million years old).

FR217                SIZE: 1/8"

A rare Nothosaurus mirabilis tooth. This tooth is from Muschelkalk limestone - middle Triassic age (240 million years old).

FR252           SIZE: 1/4"

A rare Nothosaurus mirabilis tooth. This tooth is from Muschelkalk limestone - middle Triassic age (240 million years old).

FR253                    SIZE: 1/4"