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

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

An EXTRA LARGE, incredible polished Nautiloid ammonite showing the strong suture / chamber structure from the Cretaceous of Madagascar. The rock is a beautiful agate like material. Very wide (thick) and fully inflated. Exceptional color and preservation. A gorgeous display item!  Authenticity guaranteed.  Note - This item weighs 1.9 lbs. An international shipping surcharge will be applied to "Free Shipping". Please inquire for cost.

X272        Size: 4-3/8"   (2-3/4" W)

Note - Adding 20 Madagascar ammonites in October 2020  -->   Link to Madagascar ammonites

An incredible natural Speetoniceras vericolor ammonite showing the intricate external chamber structure from Russia. The rock exhibits a beautiful perservation of the shell. An extra wide (thick) shell. Matrix free. A gorgeous display item!  Authenticity guaranteed.

X281         Size: 4-5/8"  (1-5/8" W)

None - International shipping will be discounted.

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

FR307     Size: 2-1/8"

Two Aegocriceras Cretaceous ammonites from Germany showing intricate structure. Excellent color! Prepared and displayed on their orginal matrix block. These ammonites are not reattached! A fantastic display item! 

X268        Size: 2-3/8"

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

A FANTASTIC polished display piece with two exposed EXTRA LARGE ammonites and an orthoceras. A third ammonite is also exposed when viewed from the top. All showing the intricate internal chamber structure.The rock matrix is a beautiful marble material and the Ammonite cavities are mineral filled! These ammonites and orthoceras are beautifully polished. This display measures  8"  x  14" and weighs 12 pounds. You rarely see top quality, extra large ammonites and Orthoceras in the same matrix block. An incredible, rarely seen display item!

Name: Goniatities sp. and Orthoceras sp. , Age: Devonian (350 MM years ago), Location: Atlas Mt., Morocco

M2060         Size: 5-1/2"  &  4-1/2" Ammonites with a 4-1/2" Orthoceras

An EXTRA LARGE, gorgeous Quenstedticeras lamberti, Jurassic ammonite, from the Saratov region of Russia. Incredible pyrite replaced ammonite with a crystal-like interior. Excellent pyrite crystals! Maximum size! Authenticity guaranteed. Note - supply of these pyrite ammonites stopped in 2011. My inventory is coming to an end.

XR201      Size: 2-1/4"

Pyrite Ammonites

A Large, polished Hoploscaphites nicolleti ammonite which brings out the brilliant flashes of red from the aragonite shell material (produces an "opal-like sheen!"). The entire ammonites surface flashs red as your rotate the it (Sorry, it is difficult to capture in a photo.) This ammonite is from the upper Cretaceous, Fox Hills Fm. of So. Dakota. Authenticity guaranteed. A wonderful display piece.

SD10        Size: 3-7/8"

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

An EXTRA LARGE, incredible polished whole Cleoniceras ammonite showing the intricate external chamber structure from Madagascar. The rock is a beautiful agate like material. Opening is finished to the suture line to expose the intricate chamber internal surface - very cool and a lot of additional work! Exterior may show some iridescent red flash. A gorgeous display item!  Authenticity guaranteed. Note - This item weighs 2.2 lb. An international shipping surcharge will be applied to "Free Shipping". Please inquire for cost.

X203       Size: 6-3/8"

Note - Adding 20 Madagascar ammonites in October 2020  -->   Link to Madagascar ammonites

A gorgeous, extra large Jurassic Craspedites ammonite specimen from Russia.  

X253     Size: 2"

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

FR308     Size: 2"

A gorgeous, extra large Jurassic Craspedites ammonite specimen from Russia.    

X252    Size: 1-7/8"

A LARGE, incredible polished Nautiloid ammonite showing the strong suture / chamber structure from the Cretaceous of Madagascar. The rock is a beautiful agate like material. Very wide (thick) and fully inflated. Exceptional color and preservation. A gorgeous display item!  Authenticity guaranteed.  Note - This item weighs 1.6 lbs. An international shipping surcharge will be applied to "Free Shipping". Please inquire for cost.

X273        Size: 3-15/16"   (2-1/2" W)

Note - Adding 20 Madagascar ammonites in October 2020  -->   Link to Madagascar ammonites

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

FR304      Size: 2-1/4"

An EXTRA LARGE, incredible polished whole Cleoniceras ammonite showing the intricate external chamber structure from Madagascar. The rock is a beautiful agate like material. Exterior may show some iridescent red flash. A gorgeous display item!  Authenticity guaranteed. My largest one!  Note - This item weighs 2.6 lbs. An international shipping surcharge will be applied to "Free Shipping". Please inquire for cost.

X202       Size: 7/1/4"

Note - Adding 20 Madagascar ammonites in October 2020  -->   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). This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A wonderful display piece.  

SD05        Size: 2-1/2"

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

An EXTRA LARGE, incredible polished whole Cleoniceras ammonite showing the intricate external chamber structure from Madagascar. The rock is a beautiful agate like material. Exterior may show some iridescent red flash. A gorgeous display item!  Authenticity guaranteed.  Note - This item weighs 2.4 lbs. An international shipping surcharge will be applied to "Free Shipping". Please inquire for cost.

X201       Size: 6-7/8"

Note - Adding 20 Madagascar ammonites in October 2020  -->   Link to Madagascar ammonites

An incredible natural Speetoniceras vericolor ammonite showing the intricate external chamber structure from Russia. The rock exhibits a beautiful perservation of the shell. Ammonite on natural matrix. A gorgeous display item!  Authenticity guaranteed.

X282         Size: 2-3/4"

None - International shipping will be discounted.

An EXTRA LARGE, gorgeous Quenstedticeras lamberti, Jurassic ammonite, from Russia. Incredible pyrite replaced ammonite with a crystal-like interior. Excellent pyrite crystals! Just about maximum size. Authenticity guaranteed.

XR202      Size: 2-1/4"

Note - Adding 9 pyrite replaced ammonites in December 2019  ->  Pyrite Ammonites

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

FR301      Size: 3-1/4"

An EXCELLENT early Cretaceous ammonite from Germany showing intricate structure. Excellent color! Unique uncoiled design. A fantastic display item! 

X267        Size: 3"

An EXTRA LARGE gorgeous Quenstedticeras lamberti, Jurassic ammonite, from Russia. Incredible pyrite replaced ammonite with a crystal-like interior. Maximum size! Authenticity guaranteed.

XR203        Size: 2-3/8"

A natural Hoploscaphites brevis ammonite with exceptional preservation of the shell material. The ammonite shell exhibits fine ribs. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A wonderful display piece.

SD07        Size: 2"

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

An incredible polished whole Cleoniceras ammonite showing the intricate external chamber structure from Madagascar. The rock is a beautiful agate like material. Opening is finished to the suture line to expose the druzy crystal lined structure of the chamber - very cool and a lot of additional work! Exterior may show some iridescent red flash. A gorgeous display item!  Authenticity guaranteed. Note - This item weighs 1 lb. An international shipping surcharge will be applied to "Free Shipping". Please inquire for cost.

X206       Size: 4-3/4"

Note - Adding 20 Madagascar ammonites in October 2020  -->   Link to Madagascar ammonites

A natural Hoploscaphites brevis ammonite with great preservation of the shell material. The ammonite shell exhibits natural iridesence. Note - the shell material is also present at the shell opening. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A wonderful display piece.

SD09        Size: 2-1/4"

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

A natural Hoploscaphites nebrascensis ammonite with excellent preservation of the shell material. The ammonite shell has 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.  

SD02        Size: 2-1/8"

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

A LARGE, gorgeous Quenstedticeras lamberti, Jurassic ammonite, from Russia. Incredible pyrite replaced ammonite with a crystal-like interior. Excellent pyrite crystals! Authenticity guaranteed.

XR204      Size: 2"

Note - Adding 9 pyrite replaced ammonites in December 2019  ->  Pyrite Ammonites

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

FR303    Size: 2-7/8"

An incredible sliced and polished Daivilleieras ammonite showing the intricate internal chamber structure from the Cretaceous of Madagascar. The rock is a beautiful agate like material with crystal lined cavities! A gorgeous display item!  Authenticity guaranteed.

X205       Size: 4-1/2"

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 wonderful display piece.  

SD03        Size: 1-7/8"

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

A LARGE, gorgeous Quenstedticeras lamberti, Jurassic ammonite, from Russia. Incredible pyrite replaced ammonite with a crystal-like interior. Excellent pyrite crystals! Authenticity guaranteed.

XR205      Size: 2"

Note - Adding 9 pyrite replaced ammonites in December 2019  ->  Pyrite Ammonites

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

FR306    Size: 2-1/8"

An incredible polished whole Cleoniceras ammonite showing the intricate external chamber structure from Madagascar. The rock is a beautiful agate like material. Exterior may show some iridescent red flash. A gorgeous display item!  Authenticity guaranteed. Note - This item weighs 1.33 lb. An international shipping surcharge will be applied to "Free Shipping". Please inquire for cost.

X204       Size: 5-1/4"

Note - Adding 20 Madagascar ammonites in October 2020  -->   Link to Madagascar ammonites

A LARGE, gorgeous Quenstedticeras lamberti, Jurassic ammonite, from Russia. Incredible pyrite replaced ammonite with a crystal-like interior. Excellent pyrite crystals! Authenticity guaranteed.

XR206        Size: 1-15/16"

Note - Adding 9 pyrite replaced ammonites in December 2019  ->  Pyrite Ammonites