Search results for: 'agat 15 sperm with replacement first'

An ultra rare, Top Quality upper jaw Hexanchus tooth - the Sixgill Cow shark, from the Lee Creek mine, Aurora, No. Carolina. This tooth has a rich tan crown with a tan root. Five main cusps (two have a small nick). Incredible color and preservation. These are Miocene age, Pungo River Formation teeth. A Perfect tooth. A fantastic collector's tooth. Authenticity guaranteed. Complete Lee Creek Hexanchus teeth are rarely found, and this is the first time that I can offer them!

LC645         Size: 15/16"

Note - Adding 39 Lee Creek Cow Shark teeth in February 2023        Link to Lee Creek Cow shark teeth.

An exceptional natural Perisphinctes sp. ammonite showing the very nice external design from Saharaha, Madagascar. Jurassic age. Authenticity guaranteed.

X236       Size: 2-5/8"  

Note - Adding 15 Madagascar ammonites in December 2025  -->   Link to Madagascar ammonites

A polished Cleoniceras ammonite which brings out the brilliant flashes of red and green in the aragonite shell material (produces an "opal-like sheen!") from the Cretaceous of Madagascar.

XM307         Size: 2"

An incredible whole polished Douvilleiceras ammonite showing the intricate external shell suture structure. Gorgeous Cretaceous ammonites from Madagascar. Douvilleiceras  has large external ribs and is very wide or thick.   Authenticity guaranteed. A very showy specimen!      

X243        Size: 3-3/8"  (1-3/4" wide)

Note - Adding 15 Madagascar ammonites in December 2025  -->   Link to Madagascar ammonites

An incredible sliced and polished Cleoniceras ammonite showing the intricate internal chamber structure with crystal lined pockets. Large crystal lined pockets. A gorgeous Cretaceous ammonite from Madagascar. The slightly polished exterior has a hint of "red flash". Authenticity guaranteed. A great gift item.     

X212       Size: 6"

Note - Adding 15 Madagascar ammonites in December 2025  -->   Link to Madagascar ammonites

A polished Cleoniceras ammonite which brings out the brilliant flashes of red and green in the aragonite shell material (produces an "opal-like sheen!") from the Cretaceous of Madagascar.

XM305         Size: 2-1/4"

A polished Cleoniceras ammonite which brings out the brilliant flashes of red and green in the aragonite shell material (produces an "opal-like sheen!") from the Cretaceous of Madagascar.

XM304         Size: 2-3/8"

An incredible whole Cleoniceras ammonite with a lightly polished exterior showing flashes of red, green and blue in the aragonite shell material (produces an "opal-like sheen!"). A gorgeous Cretaceous ammonite from Majanga, Madagascar. No repair or restoration. Authenticity guaranteed. Very colorful. A great gift item.     

X232       Size: 4-1/2"  

Note - Adding 15 Madagascar ammonites in December 2025  -->   Link to Madagascar ammonites

An incredible sliced and polished Cleoniceras ammonite showing the intricate internal chamber structure with crystal lined pockets. Some pockets are crystal lined! A gorgeous Cretaceous ammonite from Madagascar. The slightly polished exterior has a hint of "red flash". Authenticity guaranteed. A great gift item.     

X219       Size: 3-3/4"

Note - Adding 15 Madagascar ammonites in December 2025  -->   Link to Madagascar ammonites

An incredible sliced and polished Cleoniceras ammonite showing the intricate internal chamber structure with crystal lined pockets. All pockets are crystal lined! A gorgeous Cretaceous ammonite from Madagascar. The slightly polished exterior has a hint of "red flash". Authenticity guaranteed. A great gift item.     

X215       Size: 4-5/16"

Note - Adding 15 Madagascar ammonites in December 2025  -->   Link to Madagascar ammonites

An incredible sliced and polished Cleoniceras ammonite showing the intricate internal chamber structure with crystal lined pockets. Several pockets are crystal lined! A gorgeous Cretaceous ammonite from Madagascar. The slightly polished exterior has a hint of "red flash". Authenticity guaranteed. A great gift item.     

X214       Size: 5-3/4"

Note - Adding 15 Madagascar ammonites in December 2025  -->   Link to Madagascar ammonites

An incredible sliced and polished Cleoniceras ammonite showing the intricate internal chamber structure with crystal lined pockets. Large crystal lined pockets. A gorgeous Cretaceous ammonite from Madagascar. The slightly polished exterior has a hint of "red flash". Authenticity guaranteed. A great gift item.     

X210       Size: 6-3/8"

Note - Adding 15 Madagascar ammonites in December 2025  -->   Link to Madagascar ammonites