Search results for: 'rossi bottom guid'

An Top Quality Kayserops sp. trilobite. Preparation is German directed with all original colors and no restoration. Excellent preservation and condition. Beautifil black shell. Excellent detail in the compound eyes. This specimen is fully exposed on a pedestal of original matrix. A Middle Devonian (380 mya) from the Djebel Issoumour area, Atlas Mts., Morocco. Authenticity guaranteed. An incredible amount of preparation was required for this fantastic display piece.

XM38          Size: 2-1/4"   (1-3/8 wide)

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

A beautifully prepared Coltraneia oufatenensis trilobite. The preparation is German directed with all original colors and no restoration. Great natural black shell with excellent luster. A very ornate design with extra large compound eyes! A Middle Devonian (380 mya) trilobite from Oufaten area, Atlas Mts., Morocco. Authenticity guaranteed.

XM13          Size: 1-7/8"  (1-1/4" wide)

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

A beautifully prepared, LARGE Leonaspis sp. trilobite. Very unique raised eyes design and long spines are fully exposed - see close up photo. Exceptional black shell and spines. A Middle Devonian (380 mya) trilobite from the Djebel Issoumour area, Atlas Mts., Morocco. Authenticity guaranteed. An excellent large sized GEM QUALITY specimen.

XM29       Size: 1-1/2"  (1-1/4" )

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

A very well prepared, pair of Scabriscutellum furficerum trilobites plus a Kayserops trilobite. A very uniquely designed trilobiteswith an exceptional bronze colored shells. Scarce species. A Lower Devonian (395 mya) trilobite from the Djebel Issoumour area, Atlas Mts., Morocco. Authenticity guaranteed.  Note - specimen weights 2.5 lbs. International orders will require supplemental postage. Please inquire.  

XM25        Size: 1-11/16"  (1" wide)

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

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 Top Quality Tyrannosaur tooth from the late Cretaceous (Campanian) in northern North America. Please note that this tooth could Gorgosaurus or Daspletosaurus - see Detailed Discussion below. This tooth measures 1-13/16" - an excellent Tyrannosaur tooth. The enamel is high quality with excellent color. Anterior and posterior serrations are excellent. Serrated to the tip with an excellent unworn tip. No crack, repair or restoration. Legally collected on private land in the Judith River Fm., Hill Co., Montana. Probably an excellent Gorgosaurus or Daspletosaurus tooth based on size and roundness of the tooth cross-section. Authenticity guaranteed. An excellent collector's tooth. A Riker display frame is included.

DY03         SIZE: 1-13/16"  (7/8" wide)

Note - Added 14 new Tyrannosaur teeth in May 2024.       Link to Tyrannosaur teeth catalog.

A LARGE, Top Quality Tyrannosaur tooth from the late Cretaceous (Campanian) in northern North America. Please note that this tooth could Gorgosaurus or Daspletosaurus - see Detailed Discussion below. This tooth measures 2-1/4" - an excellent Tyrannosaur tooth. The enamel is high quality with excellent color. Anterior and posterior serrations are excellent. Serrated to the tip with small wear facet on tip and the side. Wide base. No crack, repair or restoration. Legally collected on private land in the Judith River Fm., Fergus Co., Montana. Probably an excellent Gorgosaurus or Daspletosaurus tooth based on size and roundness of the tooth cross-section. Authenticity guaranteed. An excellent collector's tooth. A Riker display frame is included.

DY02         SIZE: 2-1/4"  (15/16" wide)

Note - Added 14 new Tyrannosaur teeth in May 2024.       Link to Tyrannosaur teeth catalog.

A serrated Top Quality Tyrannosaur juvenile premaxillary tooth from the late Cretaceous (Campanian - Two Medicine Fm.) in northern North America. Please note that this tooth could Gorgosaurus or Daspletosaurus - see Detailed Discussion below. This tooth measures 13/16" -  an excellent juvenile premaxillary (front) Tyrannosaur tooth. The enamel is high quality with excellent color. This premax tooth is fully serrated, and the serrations are incredible. Serrated to the tip with an excellent unworn tip. No crack, repair or restoration. Legally collected on private land in the Two Medicine Fm., Glacier Co., Montana. Most likely an excellent Daspletosaurus juvenile tooth based on size and roundness of the tooth cross-section. Authenticity guaranteed. An excellent collector's tooth. This tooth is every bit as massive as a T. rex juvenile tooth! Daspletosaurus seems like a good fit. This is the finest serrated premax tooth that I have seen!

DY24T         SIZE: 13/16"  (7/16" wide)

Note - Added 14 new Tyrannosaur teeth in May 2024.       Link to Tyrannosaur teeth catalog.