Search results for: 'guid crab with crown starting sleave'

A group of three, large Cyphaspis tafilaltense trilobites. The preparation is German directed with all original colors and no restoration. Great natural black shell with excellent luster. An ornate design with three long spines! Middle Devonian (380 mya) trilobites from Djebel Issoumour area, Atlas Mts., Morocco. Authenticity guaranteed.  Note - specimen weights 2 lbs. International orders will require supplemental postage. Please inquire.  

XM71        Size: 1-3/4"  (1" wide)

Adding 31 quality Moroccan trilobites in April 2025.     Link to Moroccan trilobites.

A beautifully prepared, GEM QUALITY Comura bultyncki trilobite. The collector's favorite spiny trilobite. An April Fossil of the Month. Dozens of large spines fully exposed requiring many dozens of hours of air abrasion. One of the most difficult species to prepare. The Comura has very ornate spiny trilobite design with excellent compound eyes! Excellent shell and spine preservation. Large size. A scarce species! The ultimate Middle Devonian (390 mya) spiny trilobite from the Oufaten area, Atlas Mts., Morocco. Authenticity guaranteed. One of my favorite spiny trilobites and one of the best Comura trilobites that I have seen!  Note - specimen weights 2.3 lbs. International orders will require supplemental postage. Please inquire.  

XM05          Size: 2-1/4"   (1-9/16" wide)

Adding 31 quality Moroccan trilobites in April 2025.     Link to Moroccan trilobites.

A LARGE, Top Quality Crotalocephalina gibbus trilobite from Morocco. The preparation is German with all original colors and no restoration. Great natural greenish black shell with excellent luster. The specimen is fully exposed including the base on the cephalon and very nicely displayed. A Lower Devonian (Hamar Laghdada Fm. - 395 mya) trilobite from the Atchana area, Atlas Mts., Morocco. Authenticity guaranteed.  

XM74          Size: 2-1/4" ; 2-7/8" curve  (1-1/4" wide)

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

An incredibly prepared Morocconites malladoides trilobite from Morocco. This trilobite is fully exposed in a excellent display. Great compound eyes and a fantastic horn. Excellent preservation and condition. A fantastic display piece with many hours of incredibly tedious preparation work. This specimen sits nicely on the matrix base. Lower Devonian trilobite (395 mya).  A top quality and scarce specimen. Authenticity guaranteed. 

XM54        Size: 2-3/8"   (1" wide)

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

A GEM QUALITY Phacops speculator trilobite. The preparation is German with all original colors and no restoration. Exceptional completeness and preservation. A fantastic natural black shell with excellent luster. Exceptional compound eyes. A Middle Devonian (380 mya) trilobite from the Oufaten area, Atlas Mts., Morocco. A Museum Quality specimen. Exquisite preparation. Authenticity guaranteed.  The BEST!

XM78        Size: 2-1/4"  (1-1/8" wide)

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

A "Flying" Top Quality, EXTRA LARGE Zilchovaspis rogusa trilobite from Morocco. A November Fossil of the Month. It has German controlled preparation and retains all natural color and detail. The bottom of this trilobite has been cleaned out and it sits on an 1" matrix pedestal. Preparation easily took many dozens of hours to clean this specimen. Incredible prep work! All natural. A Lower Devonian trilobite. One of my favorite Devonian species. Authenticity guaranteed.  Note - Specimen weighs 1.2 pounds and a supplemental international shipping surcharge will be applied tp Free Shipping. The largest Zilchovaspis rogusa trilobite that I have seen. A massive trilobite!

XM72       Size: 4-1/2" straightline ; 6" on curve (2-3/4" wide)

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

A LARGE RARE, Top Quality Acheroraptor temertyorum (raptor) tooth from So. Dakota. Acheroraptor temertyorum is one of two recently described Hell Creek Fm. raptors, and it is a close relative of Velociraptor. This tooth is 1/2" which is a large size. The enamel is excellent with a great brown color. Multiple prominent longitudinal "ribs" run the length of the crown. Excellent large posterior and small anterior serrations. There is a natural wear facet on the tip. See unique crown characteristic discussion below. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Harding Co., So. Dakota. Note - the 2013 Acheroraptor description paper is available upon request. Authenticity guaranteed. This is your chance to own a rare, top quality Acheroraptor temertyorum tooth.  Note - A gem jar will be included as photographed.

DR12       SIZE: 1/2"

Note - Adding 10 new Acheroraptor teeth in May 2025      Link to Raptor (Dromaeosaur) catalog.

A LARGE RARE, Top Quality Acheroraptor temertyorum (raptor) tooth from So. Dakota. Acheroraptor temertyorum is one of two recently described Hell Creek Fm. raptors, and it is a close relative of Velociraptor. This tooth is 1/2" which is a large size. The enamel is excellent with a great brown color. Multiple prominent longitudinal "ribs" run the length of the crown. Excellent large posterior and small anterior serrations. There is a small natural wear facet on the tip. See unique crown characteristic discussion below. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Harding Co., So. Dakota. Note - the 2013 Acheroraptor description paper is available upon request. Authenticity guaranteed. This is your chance to own a rare, top quality Acheroraptor temertyorum tooth.  Note - A gem jar will be included as photographed.

DR11       SIZE: 1/2"

Note - Adding 10 new Acheroraptor teeth in May 2025      Link to Raptor (Dromaeosaur) catalog.

A Top Quality, Narrow-tooth Mako shark tooth from So.Carolina. An anterior tooth. High quality enamel. A blue crown and brown root. Excellent color! Sharp cutting edges with no dings. An excellent root (with a surface damage) with no hydration cracks. Good symmetry. No repair or restoration. An excellent collector's Mako tooth! Authenticity guaranteed. 

SC360        SIZE: 1-11/16"   

Adding 12 SC Isurus desori teeth in October 2020.   ->  Link to SC Isurus desori teeth

A Top Quality, Narrow-tooth Mako shark tooth from So.Carolina. An anterior tooth. High quality enamel. A blue crown and brown root. Excellent color! Sharp cutting edges with no dings. An excellent root (with small surface pits) with no hydration cracks. Good symmetry. No repair or restoration. An excellent collector's Mako tooth! Authenticity guaranteed. 

SC359        SIZE: 1-13/16"   

Adding 12 SC Isurus desori teeth in October 2020.   ->  Link to SC Isurus desori teeth

An EXTRA LARGE, Top Quality, Narrow-tooth Mako shark tooth from So.Carolina. An anterior tooth. Highest quality enamel. A blue crown and brown root. Excellent color! Sharp cutting edges with no dings. An excellent root with no hydration cracks. Good symmetry. No repair or restoration. An excellent collector's Mako tooth! Authenticity guaranteed. 

SC352        SIZE: 2-3/16"   

Adding 12 SC Isurus desori teeth in October 2020.   ->  Link to SC Isurus desori teeth

A High Quality Pachychephalosaurus wyomingensis tooth from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. The enamel is good quality with nice color / patina. Typical wear faucet from grinding on opposing teeth. Note - high center ridge and crown assymetry (see Pachy maxillary teeth differentiation discussion below). Note the nice crown wave on the right side. No cracks or restoration. An ultra rare Pachy tooth!  Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. An excellent collector's quality Pachychephalosaurus tooth. Note - tooth comes with the gem case pictured. Authenticity guaranteed.

DP04       SIZE: 5/16"   

Note - Adding 13 new Pachy spikes, claws and teeth in April 2023.   Link to Pachy fossils catalog