Search results for: 'Ammonites and Trilobites fossils'

An exceptional natural Perisphinctes ammonite showing the very nice external design from Saharaha, Madagascar. Jurassic age. A gorgeous display item!  Authenticity guaranteed.   

X209      Size: 2-3/4"

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

A natural Hoploscaphites brevis ammonite with great preservation of the shell material. The ammonite shell exhibits excellent natural iridescence. A matrix free specimen with a thick profile. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.

SD09        Size: 2"

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

An incredible sliced and polished Douvilleiceras ammonite half showing the intricate internal chamber structure. Gorgeous Cretaceous ammonites from Madagascar. The exterior is natural. Authenticity guaranteed. A very affordable gift.     

X246       Size: 2-1/2"

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

An incredible sliced and polished Douvilleiceras ammonite half showing the intricate internal chamber structure. Gorgeous Cretaceous ammonites from Madagascar. The exterior is natural. Authenticity guaranteed. A very affordable gift.     

X245        Size: 2-5/8"

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

A natural Hoploscaphites nodosus ammonite with excellent preservation of the shell material. This ammonite species exhibits big ribs with large tubercles (nodes). The shell is complete and matrix free. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.  

SD05        Size: 2-1/2"

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

An incredible sliced and polished Douvilleiceras ammonite pair showing the intricate internal chamber structure with large crystals. Gorgeous Cretaceous ammonites from Madagascar. The exterior is natural. Authenticity guaranteed. A very affordable gift.     

X248        Size: 2-5/8"

Note - Adding 8 Madagascar ammonites in November 2022  -->   Link to Madagascar 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

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

X207       Size: 3-3/4"

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

A natural Hoploscaphites nebrascensis ammonite with excellent preservation of the shell material. The ammonite shell has some natural 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. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.  

SD02        Size: 2-1/8"

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

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