Search results for: 'Ammonites and Trilobites fossils'

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

An incredible whole polished Desmoceras ammonite showing the intricate external chamber structure. A new species with a larger suture pattern and very thick. A gorgeous Cretaceous ammonite from Madagascar. Authenticity guaranteed. A great gift item. A chrome easel stand is included with this ammonite. Note - this item weighs more than 1.2 lbs. An international shipping charge will apply. 

X221       Size: 3-1/2"  (1-1/4" wide)

Note - Adding 17 Madagascar ammonites in November 2024  -->   Link to Madagascar ammonites

An incredible whole polished Desmoceras ammonite showing the intricate external chamber structure. A new species with a larger suture pattern and very thick. A gorgeous Cretaceous ammonite from Madagascar. Authenticity guaranteed. A great gift item. A chrome easel stand is included with this ammonite. Note - this item weighs more than 1.3 lbs. An international shipping charge will apply. 

X220       Size: 4"  (1-1/2" wide)

Note - Adding 17 Madagascar ammonites in November 2024  -->   Link to Madagascar ammonites

An incredible whole polished Argonauticeras ammonite showing the intricate external chamber structure. This is a new species with extra large suture and extra thick. A gorgeous Cretaceous ammonite from Madagascar. Authenticity guaranteed. A great gift item. A chrome easel stand is included with this ammonite. Note - this item weighs more than 1.25 lbs. An international shipping charge will apply. 

X218       Size: 4-1/8"  (1-15/16" wide)

Note - Adding 6 Madagascar ammonites in December 2023  -->   Link to Madagascar ammonites

An incredible polished Cleoniceras ammonite from Madagascar. This gorgeous ammonite shows the intricate internal chamber structure pattern. Fantastic red brown color. Very showy. Authenticity guaranteed. 

AM03       Specimen size:  6" x  4-3/4" x 1-1/2" Thick    

Adding an 11 piece ammonite collection in November 2023.       Link to Other 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"

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.

XM308         Size: 1-15/16"

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"