Search results for: 'ca01 do you am a shell/'

A natural Hoploscaphites nodosus ammonite with excellent preservation of the shell material. This ammonite species exhibits big ribs with large tubercles (nodes). The shell is complete and matrix free. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.  

SD05        Size: 2-1/2"

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

A natural Hoploscaphites brevis ammonite with great preservation of the shell material. The ammonite shell exhibits excellent natural iridescence. This specimen is sits in an original Pierre Shale with a flat base for a great display. The base is a large baculite segment. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.

SD10        Size: 1-1/16"

Note - Adding 6 So. Dakota ammonites in August 2025.  -->  Link to So. Dakota Ammonites

A beautifully prepared, TOP QUALITY Koneprusia dahmani spiny trilobite. One of the collector's favorite spiny trilobites. A November Fossil of the Month. Koneprusia dahmani is an unusual looking species with three rows of long spines run down its back. The preparation is German with all original colors and no restoration. Exceptional completeness and preservation. Great natural bronze colored shell with excellent luster.  A very difficult species to prepare. Excellent shell and spine preservation. Good size. A scarce species! One of the ultimate Middle Devonian (380 mya) spiny trilobite from the Foum Zguid, Morocco. Authenticity guaranteed. One of my favorite spiny trilobites!  Museum Quality. Note - specimen weights 1.7 lbs. International orders may require supplemental postage added to Free Shipping. Please inquire.  

XM77          Size: 1-5/8"   (1-1/16")

Adding 9 top quality Moroccan trilobites in November 2025.     Link to Moroccan trilobites.

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

SD02        Size: 2-1/8"

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

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 natural Hoploscaphites nebrascensis ammonite with excellent preservation of the shell material. The ammonite shell has some 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. The end is filled with calcite crystals! This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.  

SD07        Size: 1-5/8"

Note - Adding 6 So. Dakota ammonites in August 2025.  -->  Link to So. Dakota Ammonites

Two natural Hoploscaphites nebrascensis ammonites with excellent preservation of the shell material. The ammonites are fully exposed and their shells exhibit 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.  

SD04        Size: 1-3/4"

Note - Adding 6 So. Dakota ammonites in August 2025.  -->  Link to So. Dakota Ammonites

A "Flying", EXTRA LARGE Paralejurus rehamnanus trilobite from Oufaten, Atlas Mts., Morocco. The front is fully exposed to show bottom of shell for a nice display. A Middle Devonian (380 mya) trilobite. An excellent collector's specimen! Authenticity guaranteed.

XM17        Size: 3"  (1-1/2" Wide)

Note - Adding 5 high quality Devonian age Moroccan trilobite i December 2023.  -->  Link to Moroccan Trilobites.

A beautifully prepared, TOP QUALITY Walliserops lindoei trilobite, the "short trident Comura".  One of the collector's favorite spiny trilobites. A November Fossil of the Month. Walliserops lindoei is an unusual looking species with three rows of spines run down its back and a trident-like fork extending from the front of the cephalon. The preparation is German with all original colors and no restoration. Exceptional completeness and preservation. Great natural black shell with excellent luster.  A very difficult species to prepare. Excellent shell and spine preservation. Excellent compound eyes. Good size. A scarce species! One of the ultimate Middle Devonian (380 mya) spiny trilobite from the Foum Zguid, Morocco. Authenticity guaranteed. One of my favorite spiny trilobites!  Museum Quality. Note - specimen weights 1.7 lbs. International orders may require supplemental postage added to Free Shipping. Please inquire.  

XM75          Size: 1-7/8"   (1")

Adding 9 top quality Moroccan trilobites in November 2025.     Link to Moroccan trilobites.

A "Flying" TOP QUALITY Walliserops trifurcatus trilobite, the "trident Comura".  A November Fossil of the Month and one of the collector's favorite spiny trilobites. Walliserops trifurcatus is an unusual looking species with three rows of of spines run down its back and a trident-like fork extending from the front of the cephalon. The preparation is German controlled with all original colors and no restoration. Exceptional completeness and preservation. Great natural black shell with excellent luster. The bottom of this trilobite has been cleaned out and it sits on an 1" matrix pedestal. A very difficult species to prepare. Excellent shell and spine preservation. Compound eyes are very good. Good size. A rare species! One of the ultimate Middle Devonian (380 mya) spiny trilobite from the Foum Zguid, Morocco. Authenticity guaranteed. One of my favorite spiny trilobites!  Museum Quality.  On Hold

XM06          Size: 3-1/4"  x  1-1/4"

Adding 9 top quality Devonian age Moroccan trilobite species.  -->  Link to Moroccan Trilobites.

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

XM317           Size: 1-1/2"

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

XM319         Size: 1-5/8"