Madagascar Ammonites - Catalog #1

An incredible whole polished Douvilleiceras ammonite showing the intricate external shell suture structure. Gorgeous Cretaceous ammonites from Madagascar. Douvilleiceras  has large external ribs and is very wide or thick.   Authenticity guaranteed. A very showy specimen!      

X243        Size: 3-3/8"  (1-3/4" wide)

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

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.

XM307         Size: 2"

An EXTRA LARGE, exceptional natural Cranaosphinctes ammonite showing excllent external design from Madagascar. The natural shell is well preserved and polished. An incredible display item!  Museum piece. Authenticity guaranteed.

X270 BoP     Size: 9-1/2""  (3-1/2" thick)   Weighs 6 lbs.

Note - International shipping will require a supplement.

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

An exceptional natural Kranosphinctes (Perisphinctes) sp. ammonite showing the very nice external design from Saharaha, Madagascar. Jurassic age. A gorgeous display item!  Authenticity guaranteed. Comes this the chrome steel stand as photographed. Note - This item weighs 3.75 lbs.  International customers will not have free shipping.

X271       Size: 6"  (1-3/4" 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 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

An EXTRA LARGE, incredible natural Nautiloid ammonite from the Cretaceous of Madagascar. A July Fossil of the Month. 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 8.5 lbs.  International customers will not have free shipping.

X272        Size: 7"   (4-13/16" wide)

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

An incredible whole polished Argonauticeras ammonite showing the intricate external chamber structure. This is a new species with extra large suture and extra thick. A gorgeous Cretaceous ammonite from Madagascar. Authenticity guaranteed. A great gift item. A chrome easel stand is included with this ammonite. Note - this item weighs more than 1.25 lbs. An international shipping charge will apply. 

X218       Size: 4-1/8"  (1-15/16" wide)

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

An incredible natural Douvilleiceras ammonite showing the ornate external structure. A quality natural ammonite from the Cretaceous of Madagascar.  A gorgeous display item!  Authenticity guaranteed.

X277       Size: 2-1/4"

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

A Large, incredible polished Phylloceras ammonite showing the intricate external chamber structure from the Cretaceous of Madagascar. The rock is a beautiful agate like material. A gorgeous display item!  Authenticity guaranteed.

X210 BoP     Size: 3-3/4"

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'

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.

XM313         Size: 1-7/8"