Search results for: 'ammonite and trilobites fossils'

A natural Hoploscaphites nebrascensis ammonite with excellent preservation of the shell material. The ammonite shell has some iridescence. This ammonite species exhibits big ribs with multiple rows of tubercles (nodes). This specimen is sits in an original Pierre Shale nodule with a flat base for a great display. The end is filled with calcite crystals! This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.  

SD07        Size: 1-5/8"

Note - Adding 6 So. Dakota ammonites in August 2025.  -->  Link to So. Dakota Ammonites

A gorgeous, very rare early Cretaceous Crioceras ammonite specimen from France.   

FR307  BoP    Size: 2-1/8"

An incredible whole polished Cleoniceras ammonite showing the intricate external chamber structure. A gorgeous Cretaceous ammonite from Madagascar. Authenticity guaranteed. A chrome easel stand is included with this ammonite. A great gift item.     

X206       Size: 4-3/4"  (1-1/16" wide)

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

An incredible whole polished Cleoniceras ammonite showing the intricate external chamber structure. Great burgundy color. A gorgeous Cretaceous ammonite from Madagascar. Authenticity guaranteed. A chrome easel stand is included with this ammonite. A great gift item.     

X206       Size: 5"  (1-1/8" wide)

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

A LARGE, incredible whole polished Cleoniceras ammonite showing the intricate external chamber structure. A gorgeous Cretaceous ammonite from Madagascar. Authenticity guaranteed. A chrome easel stand is included with this ammonite. A great gift item.     

X202       Size: 5-5/8"  (1-1/8" wide)

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

An EXTRA LARGE, incredible whole polished Cleoniceras ammonite showing the intricate external chamber structure. A gorgeous Cretaceous ammonite from Madagascar. Authenticity guaranteed. A chrome easel stand is included with this ammonite. A great gift item.     

X201       Size: 8"  (1-3/4" wide)

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

An EXTRA LARGE, beautifully prepared Asaphus punctatus trilobite from Saint Petersburg. A very nice three lobe design. Note the raised eyes to see in soft sediment. The high eye stalks were used to find prey and identify predators. An Ordovician (470 mya) trilobite from the Saint Petersburg region, Russia. Exceptional quality and preservation! This is a big specimen! Authenticity guaranteed.  Note - This specimen weighs 1.3 lbs. A shipping surcharge will apply to international orders.

XR154        Size: 3-1/4"  (1-15/16" W)

Note - Posted two new Russian Triolbites in November 2020   ->    Link to Russian Trilobites

A LARGE, incredible sliced and polished Cleoniceras ammonite showing the intricate internal chamber structure with crystal lined pockets. A gorgeous Cretaceous ammonite from Madagascar. The exterior is natural with a hint of red flash. Authenticity guaranteed. A chrome easel stand is included with this ammonite.  

X211       Size: 6-1/8"

Note - Adding 20 Madagascar ammonites in April 2023  -->   Link to Madagascar ammonites

A beautifully prepared Comura bultyncki trilobite. Dozens of large spines fully exposed requiring many dozens of hours of air abrasion. One of the most difficult trilobites to prepare. A very ornate spiny trilobite design with nice compound eyes! Excellent shell and spine preservation. Good size. A rare species! The ultimate Middle Devonian (380 mya) spiny trilobite from the Oufaten area, Atlas Mts., Morocco. Authenticity guaranteed. One of my favorite spiny trilobites! Authenticity guaranteed.

XM42          Size: 1-3/4"

A natural Hoploscaphites nebrascensis ammonite with excellent preservation of the shell material. This ammonite species exhibits big ribs with multiple rows of tubercles (nodes). This specimen is sits on an original Pierre Shale with a flat base for a great display. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.  

SD03        Size: 1-7/8"

Note - Adding 10 So. Dakota ammonites in December 2020.  -->  Link to So. Dakota 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.

An incredible whole polished Cleoniceras ammonite showing the intricate external chamber structure. A gorgeous Cretaceous ammonite from Madagascar. Authenticity guaranteed. A great gift item.

X208       Size: 3-1/4"

Note - Adding 20 Madagascar ammonites in April 2023  -->   Link to Madagascar ammonites