Ammonites

An EXTRA LARGE, incredible polished Orthoceras plate showing the intricate internal chamber structure from Morocco. These are Devonian age squid-like creatures. A December Fossil of the Month. Gorgeous jet black and white colors. There are 35+ Orthoceras specimens exposed. Largest Orthoceras is 18" inches in length. A museum quality Orthoceras plate. Authenticity guaranteed. An incredible display piece!  It includes a sturdy steel stand.  Note: Large and heavy Orthoceras plates will require a supplemental international shipping charge. This items weighs 31 lbs. to ship.  Please request quote.  

M2021           Plate size: 22-1/2" x 14-1/2"

Note - Adding 2 Orthoceras specimens in December 2023.   Link to Othoceras plates

A LARGE, incredible natural Nautiloid ammonite from the Cretaceous of Madagascar. The aragonite shell is nicely articulated. Very wide (thick), fully inflated, and very heavy. Exceptional color and preservation. A gorgeous display item!  Authenticity guaranteed. Comes this the chrome steel stand as photographed. Note - This item weighs 7.35 lbs.  International customers will not have free shipping.

X273        Size: 6-1/4"   (4-11/16" wide)

Note - Adding 6 large Madagascar ammonites in July 2023 -->   Link to Madagascar ammonites

A LARGE, incredible natural Nautiloid ammonite from the Cretaceous of Madagascar. The aragonite shell is nicely articulated. Very wide (thick), fully inflated, and very heavy. Exceptional color and preservation. A gorgeous display item!  Authenticity guaranteed. Comes this the chrome steel stand as photographed. Note - This item weighs 6.85 lbs.  International customers will not have free shipping.

X274        Size: 6"   (4-1/2" wide)

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

A natural Hoploscaphites nodosus ammonite and a Nautilus (Eutrephoceras) with excellent preservation of the shell material. A December Fossil of the Month. This ammonite species exhibits big ribs with large tubercles (nodes). Both ammonites are nicely displayed on their original Pierre Shale matrix with a flat base. Matrix size is 4.5" x 2.5". This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A wonderful display piece.  Note - this specimen weighs 1.6 lbs. An international shipping charge will apply.

SD06        Size: 2-5/8"  &  2"

Note - Adding 10 So. Dakota ammonites in December 2020.  -->  Link to So. Dakota 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, exceptional natural Kranosphinctes (Perisphinctes) ammonite showing a very nice external design from Saharaha, Madagascar. A November Fossil of the Month. Jurassic age. A gorgeous display item!  Authenticity guaranteed. Note - This item weighs 10.5 lbs.  International customers will not have free shipping. 

X270      Size: 10-1/2"  (3-5/8" wide)

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

A LARGE, natural Hoploscaphites nebrascensis ammonite with excellent preservation of the shell material. The ammonite shell material has natural iridescence. This ammonite species exhibits big ribs with multiple rows of tubercles (nodes). This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A wonderful display piece.  

SD04        Size: 3-1/2"

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

A LARGE, incredible natural Nautiloid ammonite from the Cretaceous of Madagascar. The aragonite shell is nicely articulated. Very wide (thick), fully inflated, and very heavy. Exceptional color and preservation. A gorgeous display item!  Authenticity guaranteed. Comes this the chrome steel stand as photographed. Note - This item weighs 6 lbs.  International customers will not have free shipping.

X276        Size: 5-5/8"   (4-1/4" wide)

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

Two LARGE, TOP QUALITYQuenstedticeras lamberti ammonites on matrix from the Saratov region of Russia. Incredible pyrite replaced ammonites. The natural shell exterior is incredily preserved and reflects an iridescent red color. Middle Jurassic age. Authenticity guaranteed. Note - supply of these pyrite ammonites stopped in 2010.  A very showy display piece. Note - specimens are remounted on their natural matrix. A fantastic gift piece.

AM02       Specimen size:  2-5/8" &  1-3/4"    Display size:  3-3/4" x 2-3/4"

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

A TOP QUALITY Kosmoceras sp. and Quenstedticeras lamberti ammonites on matrix from the Saratov region of Russia. Incredible pyrite replaced ammonites. The natural shell exterior is incredily preserved and reflects an iridescent red color. Middle Jurassic age. Authenticity guaranteed. Note - supply of these pyrite ammonites stopped in 2010.  A very showy display piece. Note - specimens are remounted on their natural matrix. A fantastic gift piece!

AM01       Specimen size:  2-5/8" &  1-1/4"    Display size:  5-3/4" x  4"

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

A LARGE, exceptional natural Kranosphinctes (Perisphinctes) ammonite showing a very nice external design from Saharaha, Madagascar.  Jurassic age. A gorgeous display item!  Authenticity guaranteed. Note - This item weighs 7 lbs.  International customers will not have free shipping. 

X275      Size: 8-3/4"  (2-1/2" wide)

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

Three natural Hoploscaphites nebrascensis ammonites in a cluster with excellent preservation of the shell material. There are three ammonites in this cluster. The shell material has 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 wonderful display piece. Note - this specimen weighs 1.3 lbs. An international shipping charge will apply.

SD01        Size: 2"

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