Search results for: 'gem age good'

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 natural Hoploscaphites brevis ammonite with great preservation of the shell material. The ammonite shell exhibits excellent natural iridescence. A matrix free specimen with a thick profile. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.

SD09        Size: 2"

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

A natural Hoploscaphites brevis ammonite with great preservation of the shell material. The ammonite shell exhibits some natural iridescence. A matrix free specimen. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.

SD08        Size: 2"

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

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

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.

A Top Quality Scapanorhynchus texanus, an extinct Goblin shark tooth from Dallas Co., Texas. An excellent example of this Late Cretaceous Kamp Ranch Fm. shark. An anterior tooth with a striated crown. Authenticity guaranteed. Perfect tooth. 

T363          SIZE: 1/2"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

A Top Quality, rare Ceretarges spiny trilobite from the Djebel Issoumour area, Morocco. It is beautifully prepared to fully exposed the long & free standing spines and large elongated eye appendages. Found in the Hamar L’Aghdad Limestone Fm, a Middle Devonian trilobite. The Devonian trilobites from Jebel Issoumour deposits are world renowned for their incredible preservation and beauty. A rare species. An incredible museum quality specimen at an affordable price. One of my favorite species! Authenticity guaranteed.

XM56       Size: 1-3/8"  (1-1/4" wide)

Note - Posted 16 Moroccan trilobites in May 2024  -->  Link to Moroccan Trilobites

A nicely prepared, rare Dechenella burmeisteri trilobite. A scarce species! A Middle Devonian (380 mya) trilobite from Djebel Issoumour area, Atlas Mts., Morocco. Authenticity guaranteed.

XM22        Size: 1-1/8"

A high quality, rare spiny Ceretarges trilobite from Morocco. It is beautifully prepared to fully exposed the long & free standing spines and large elongated eye appendages. The Devonian trilobites from Jebel Issoumour deposits are world renowned for their incredible preservation and beauty. A Middle Devovian trilobite (380 mya).  A rare species. An incredible museum quality specimen at an affordable price. One of my favorite species! Authenticity guaranteed.

XM01 BoP       Size: 1-3/8"

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

X267  BoP       Size: 3"

 A HUGE Hybodus dorsal spine - exceptional size! Nicely articulated and preserved. Incredibly sized. Note strong longitudinal grooves on the sides.   

M1185           SIZE: 8"+