Search results for: 'world good tree age//'

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.

An EXTRA LARGE, Top Quality Hexanchus griseus tooth from the Caldera Basin of Chile. A March Fossil of the Month. This is complete lower jaw tooth. Superb preservation and color. Thirteen very sharp and primary cusps. An excellent root - very unique & difficult to find! Near Perfect tooth tooth. Authenticity guaranteed. Museum Quality collector's tooth. Unfortunately there are no more teeth coming from this site. This is the largest complete / 100% natural Hexanchus tooth that I have!    Check out my new Blog - The Best of Chile - Shark Teeth   https://www.buriedtreasurefossils.com/blog/post/the-best-of-chile-fossil-shark-teeth/   

C401L  BoP         Size: 2-1/16"

Note - Adding 10 new Chilean Hexanchus teeth in March 2020 ->  Link to Hexanchus Teeth 

A VERY RARE, Top Quality Hexanchus griseus posterior tooth from the Caldera Basin of Chile. This is complete lower jaw posterior tooth from a large shark. Superb preservation and color. One primary cusp is fully formed. An excellent root - very unique & extremely difficult to find! A Perfect rare collector'stooth. Authenticity guaranteed. Unfortunately there are no more teeth coming from this site. This rare piece is from an old collection. This is one of the few posterior teeth that I have seen - very rare!    

C410L          Size: 7/16"

Note - Adding 18 new Chilean Hexanchus teeth in February 2024 ->  Link to Hexanchus Teeth 

A VERY RARE, Top Quality Hexanchus griseus posterior tooth from the Caldera Basin of Chile. This is complete lower jaw posterior tooth from a large shark. Superb preservation and color. Three primary cusps fully formed. An excellent root - very unique & extremely difficult to find! A Perfect rare collector's tooth. Authenticity guaranteed. Unfortunately there are no more teeth coming from this site. This rare piece is from an old collection. This is one of the few posterior teeth that I have seen - very rare!    

C409L          Size: 9/16"

Note - Adding 18 new Chilean Hexanchus teeth in February 2024 ->  Link to Hexanchus Teeth 

A High Quality Hexanchus griseus tooth from the Caldera Basin of Chile. This is near complete lower jaw tooth from a large shark. Superb preservation and color. Seven primary cusps. The root corner is damaged. Authenticity guaranteed. A rare collector's tooth. Unfortunately there are no more teeth coming from this site. This rare piece is from an old collection.     

C408L          Size: 1-7/16"

Note - Adding 18 new Chilean Hexanchus teeth in February 2024 ->  Link to Hexanchus Teeth 

A Top Quality Hexanchus griseus tooth from the Caldera Basin of Chile. This is complete lower jaw tooth from a large shark. Superb preservation and color. Eight primary cusps. An excellent root which is very unique & extremely difficult to find! A Perfect rare collector's tooth. Authenticity guaranteed. Unfortunately there are no more teeth coming from this site. This rare piece is from an old collection.     

C407L          Size: 1-1/2"

Note - Adding 18 new Chilean Hexanchus teeth in February 2024 ->  Link to Hexanchus Teeth 

A LARGE, Top Quality Hexanchus griseus tooth from the Caldera Basin of Chile. This is complete lower jaw tooth from a large shark. Superb preservation and color. Eleven primary cusps. An excellent root which is very unique & extremely difficult to find! A Perfect rare collector's tooth. Authenticity guaranteed.Unfortunately there are no more teeth coming from this site. This rare piece is from an old collection.     

C406L          Size: 1-11/16"

Note - Adding 18 new Chilean Hexanchus teeth in February 2024 ->  Link to Hexanchus Teeth 

A LARGE, Top Quality Hexanchus griseus tooth from the Caldera Basin of Chile. Fantastic blue color with a red root. This is complete lower jaw tooth from a large shark. Superb preservation and color. Eight primary cusps. An excellent root which is very unique & extremely difficult to find! A Perfect rare collector's tooth. Authenticity guaranteed. Unfortunately there are no more teeth coming from this site. This rare piece is from an old collection.     

C405L          Size: 1-7/16"

Note - Adding 18 new Chilean Hexanchus teeth in February 2024 ->  Link to Hexanchus Teeth 

An EXTRA LARGE, Pathologic Top Quality Hexanchus griseus tooth from the Caldera Basin of Chile. This is complete lower jaw tooth from a large shark. Superb preservation and color. Nine primary cusps with a strangely shaped first cusp. An excellent root which is very unique & extremely difficult to find! Note - there is a hair light crack. A near Perfect rare collector's tooth. Authenticity guaranteed. Unfortunately there are no more teeth coming from this site. This rare piece is from an old collection.     

C404L          Size: 1-13/16"

Note - Adding 18 new Chilean Hexanchus teeth in February 2024 ->  Link to Hexanchus Teeth