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

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 gorgeous Quenstedticeras lamberti ammonite from the Saratov region of Russia. Incredible pyrite replaced ammonite with a crystal lined interior. Excellent pyrite crystals!  Middle Jurassic age.Maximum size! Authenticity guaranteed. Note - supply of these pyrite ammonites stopped in 2011. This is the last of my inventory.

XR201      Size: 2-1/4"

Adding 23 pyritized Ammonites in November 2021.    Link to Pyritized 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

A gorgeous, very rare early Cretaceous Crioceras loryi ammonite specimen from Drome, France. A rare uncoiled, spiny Ammonite with external spikes preserved. This is a Lower Cretaceous ammonite (Lower Hauterivian) - 135 MYA.  Authenticity guaranteed.  

FR304      Size: 2-1/4"

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

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

X253     Size: 2"

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

X252    Size: 1-7/8"

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

A gorgeous Quenstedticeras lamberti ammonite from the Saratov region of Russia. Incredible pyrite replaced ammonite with a crystal lined interior. Excellent pyrite crystals!  Middle Jurassic age. Authenticity guaranteed. Note - supply of these pyrite ammonites stopped in 2011. This is the last of my inventory.

XR202      Size: 2-1/8"

Adding 23 pyritized Ammonites in November 2021.    Link to Pyritized ammonites.

A gorgeous, very rare early Cretaceous Crioceras loryi ammonite specimen from Drome, France. A rare uncoiled, spiny Ammonite. This is a Lower Cretaceous ammonite (Lower Hauterivian) - 135 MYA.  Authenticity guaranteed.  

FR301      Size: 3-1/4"

A gorgeous Quenstedticeras lamberti ammonite from the Saratov region of Russia. Incredible pyrite replaced ammonite with a crystal lined interior. Excellent pyrite crystals!  Middle Jurassic age. Authenticity guaranteed. Note - supply of these pyrite ammonites stopped in 2011. This is the last of my inventory.

XR203      Size: 2"

Adding 23 pyritized Ammonites in November 2021.    Link to Pyritized ammonites.

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, EXTRA LARGE polished Goniatites sp., an early ammonite-like cephalopod showing the intricate internal chamber structure. The rock matrix is a beautiful marble material and the cavities are mineral filled! These Goniatites are beautifully polished on all sides. Thick (1-5/8"). This is an excellent BIG early Ammonite. An excellent display item!  Note - This item weighs 2.5 lb. An international shipping surcharge will be applied to "Free Shipping". Please inquire for cost.

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

M2001          Size: 6-1/4"   (1-5/8" wide)

Note - Adding 18 Moroccan Goniatites in December 2021.  Link to Moroccan Goniatites

A gorgeous, very rare early Cretaceous Crioceras loryi ammonite specimen from Drome, France. A rare uncoiled, spiny Ammonite. This is a Lower Cretaceous ammonite (Lower Hauterivian) - 135 MYA.  Authenticity guaranteed.  

FR303    Size: 2-7/8"

A gorgeous Quenstedticeras lamberti ammonite from the Saratov region of Russia. Incredible pyrite replaced ammonite with a crystal lined interior. Excellent pyrite crystals!  Middle Jurassic age. Authenticity guaranteed. Note - supply of these pyrite ammonites stopped in 2011. This is the last of my inventory.

XR204      Size: 1-15/16"

Adding 23 pyritized Ammonites in November 2021.    Link to Pyritized ammonites.

An incredible, EXTRA LARGE polished Goniatites sp., an early ammonite-like cephalopod showing the intricate internal chamber structure. The rock matrix is a beautiful marble material and the cavities are mineral filled! These Goniatites are beautifully polished on all sides. Thick (2-1/4"). This is an excellent BIG early Ammonite. An excellent display item!  Note - This item weighs 3.5 lb. An international shipping surcharge will be applied to "Free Shipping". Please inquire for cost.

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

M2002          Size: 6-1/2"   (2-1/4" wide)

Note - Adding 18 Moroccan Goniatites in December 2021.  Link to Moroccan Goniatites

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 gorgeous Quenstedticeras lamberti ammonite from the Saratov region of Russia. Incredible pyrite replaced ammonite with a crystal lined interior. Excellent pyrite crystals!  Middle Jurassic age. Authenticity guaranteed. Note - supply of these pyrite ammonites stopped in 2011. This is the last of my inventory.

XR205      Size: 1-7/8"

Adding 23 pyritized Ammonites in November 2021.    Link to Pyritized 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 gorgeous Quenstedticeras lamberti ammonite from the Saratov region of Russia. Incredible pyrite replaced ammonite with a crystal lined interior. This ammonite has natural irredescent crystal colors - very nice. Excellent pyrite crystals!  Middle Jurassic age. Authenticity guaranteed. Note - supply of these pyrite ammonites stopped in 2011. This is the last of my inventory.

XR207      Size: 1-3/4"

Adding 23 pyritized Ammonites in November 2021.    Link to Pyritized ammonites.

A Top Quality pyritized Pleuroceras solare ammonite from Unterstuermig, Germany. This Lower Jurassic ammonites shows intricate structure. Exceptional color!  Authenticity guaranteed.  

X264      Size: 1-1/2"

Adding 23 pyritized Ammonites in November 2021.    Link to Pyritized ammonites.

A gorgeous Quenstedticeras lamberti ammonite from the Saratov region of Russia. Incredible pyrite replaced ammonite with a crystal lined interior. Excellent pyrite crystals!  Middle Jurassic age. Authenticity guaranteed. Note - supply of these pyrite ammonites stopped in 2011. This is the last of my inventory.

XR206      Size: 1-3/4"

Adding 23 pyritized Ammonites in November 2021.    Link to Pyritized ammonites.

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 Top Quality pyritized Pleuroceras solare ammonite from Unterstuermig, Germany. This Lower Jurassic ammonites shows intricate structure. Exceptional color!  Authenticity guaranteed.  

X263      Size: 1-1/2"

Adding 23 pyritized Ammonites in November 2021.    Link to Pyritized ammonites.

A Top Quality pyritized Pleuroceras solare ammonite from Unterstuermig, Germany. This Lower Jurassic ammonites shows intricate structure. A matrix free specimen. Exceptional color!  Authenticity guaranteed.  

X261      Size: 1-3/4"

Adding 23 pyritized Ammonites in November 2021.    Link to Pyritized ammonites.

A gorgeous Jurassic Craspedites ammonite specimen from Russia.   

X254    Size: 1-5/8"

A Top Quality pyritized Pleuroceras solare ammonite from Unterstuermig, Germany. This Lower Jurassic ammonites shows intricate structure. Exceptional color!  Authenticity guaranteed.  

X262      Size: 1-1/2"

Adding 23 pyritized Ammonites in November 2021.    Link to Pyritized ammonites.

A Top Quality pyritized Pleuroceras solare ammonite from Unterstuermig, Germany. This Lower Jurassic ammonites shows intricate structure. Exceptional color! A matrix free specimen.  Authenticity guaranteed.  

X265      Size: 1-3/8"

Adding 23 pyritized Ammonites in November 2021.    Link to Pyritized ammonites.

A pair of Top Quality pyritized Pleuroceras solare ammonite from Unterstuermig, Germany. This Lower Jurassic ammonites shows intricate structure. Exceptional color! Authenticity guaranteed.  

X269     Size: 1"  (2 specimens)

Adding 23 pyritized Ammonites in November 2021.    Link to Pyritized ammonites.

The Fossil Book - Hand carved and polished with multiple Orthoceras exposed. The rock matrix is a beautiful material and the Orthoceras cavities are mineral filled! Gorgeous jet black and white colors. Devonian (350 MM years ago). Atlas Mt., Morocco. An excellent display item or book end!       Note: international shipping cost will be calculated. Please request quote.

M2045        SIZE: 5-1/4" x 7"

A natural Hoploscaphites brevis ammonite with great preservation of the shell material. The ammonite shell exhibits fine ribs and sits on the original matrix with a flat base for a great display. Note - calcite crystals are present at the shell opening. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A wonderful display piece.

SD08        Size: 1-5/8"

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

A natural Cleoniceras ammonite opal-like aragonite shell material shows brilliant flashes of red, blue, and green from the Cretaceous of Madagascar. An excellent display piece.  A very showy natural ammonite!

XM323      Size: 2-3/4"

The Fossil Book - Hand carved and polished with multiple Orthoceras exposed. The rock matrix is a beautiful material and the Orthoceras cavities are mineral filled! Gorgeous jet black and white colors. Devonian (350 MM years ago). Atlas Mt., Morocco. An excellent display item or book end!       Note: international shipping cost will be calculated. Please request quote.

M2046        SIZE: 5-1/4" x 7"

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.

XM302        Size: 2-3/4'