Search results for: '1830 w 31st shell river easel'

Polished ammonite to bring out the brilliant flashes of red and green in the shell material ("opal-like sheen!").

XM319         Size: 1-5/8"

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 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. Note - this specimen weighs 1.4 lbs. An international supplemental shipping charge will apply.

SD01        Size: 2"

Note - Adding 10 So. Dakota ammonites in December 2020.  -->  Link to So. Dakota 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 GEM 5-1/4" BLACK over GRAY colored Megalodon tooth - an upper jaw ANTERIOR tooth. This exceptional Meg tooth is our September 2017 Fossil of the Month. The incredible black over gray crown shows on the display and reverse sides. The serrations are razor sharp including the tip. Excellent for a big Megalodon! The root has small hydration cracks and is complete. This GEM BLACK over GRAY Meg tooth is one of the best color Megalodon teeth of 2017. Incredible eye appeal. A fantastic collector's Meg tooth!

SC004 BoP       Size: 5-1/4"   (4-1/16" W)

A Rare, Extra Large Crotalcephalus aff. africanus trilobite. Another November Fossil of the Month. This is a BIG trilobite with a very unique design including long spines on the pygidium. This species appears to be armored or designed to blend into its environment for protection. Incredible shell and spine preservation and incredible size for this rare species! An impessive specimen. A Middle Devonian (380 mya) trilobite from the El Jorf area, Atlas Mts., Morocco. Authenticity guaranteed. A very large and well preserved trilobite. Much different from the typical examples in the market. The BEST collector's quality! Museum Quality.

XM47        Size: 3-3/4"  x  2-1/2" W x 3/4" shell height or relief

Note - More than 20 high quality Devonian age Moroccan trilobite species for sale. Authenticity guaranteed.  -->  Link to Moroccan Trilobites.

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.

XM309        Size: 2"

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.

XM310        Size: 2"

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.

XM311        Size: 2"

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.

XM312        Size: 2"

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.

XM306        Size: 2-1/8"

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"