Search results for: 'with guid tree age'

A LARGE, Top Quality, rare Quadrops flexuosa spiny trilobite from Oufaten, Morocco. A May Fossil of the Month. It is beautifully prepared to fully exposed the long & free standing spines and appendages. Exceptional compound eye detail. The Devonian trilobites from Atlas mountain deposits are world renowned for their incredible preservation and beauty. A Lower Devonian trilobite - Emsian stage - 400 MYA. Very little restoration required - prep touch up only. A rare species. An incredible museum quality specimen. Definitely one of my favorite species! Authenticity guaranteed. Note - specimen wights 1.9 lbs. International orders will require supplemental postage. Please inquire.

XM55       Size: 3"  (1-1/4" wide)

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

A natural Hoploscaphites brevis ammonite with great preservation of the shell material. This specimen is sits in 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 fantastic display piece.

SD11        Size: 1-3/4"

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. 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 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"

A beautifully prepared Comura bultyncki trilobite. Dozens of large spines fully exposed requiring many dozens of hours of air abrasion. One of the most difficult trilobites to prepare. A very ornate spiny trilobite design with nice compound eyes! Excellent shell and spine preservation. Good size. A rare species! The ultimate Middle Devonian (380 mya) spiny trilobite from the Oufaten area, Atlas Mts., Morocco. Authenticity guaranteed. One of my favorite spiny trilobites! Authenticity guaranteed.

XM42          Size: 1-3/4"

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

X267  BoP       Size: 3"