Search results for: '1830 w 31st shell river easel'

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.

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.

The "Flying" Top Quality Crotalocephalina gibbus trilobite. A January Fossil of the Month. The preparation is German directed with all original colors and no restoration. Great natural greenish shell with an excellent patina. The specimen is fully exposed and very nicely displayed on a pedestal of the original matrix. A Middle Devonian (395 mya) trilobite from the Foum Zguid area, Atlas Mts., Morocco. Authenticity guaranteed. Museum Quality specimen. An incredible amount of preparation was required for this fantastic display piece.

XM49          Size: 2-1/2"

Note - Adding 11 new Trilobites in January 2021.    -->    Link to Moroccan Trilobites

A high quality, Phacops speculator and a spiny Ceretarges trilobite with damage on original matrix from Jebel Issoumour deposits, Morocco. These specimens are nicely prepared and fully exposed. These trilobite shells are all natural with no colorization. Two nice Devonian Middle Devonian trilobites. Finding two quality trilobites in proximity is always rare. Authenticity guaranteed. Note - specimen wights 1.3 lbs. International orders will require supplemental postage. Please inquire.

XM01        Size: 1-3/4" Phacops  &  1-1/8" Ceretarges

Note - Adding 5 high quality Devonian age Moroccan trilobites.  -->  Link to Moroccan Trilobites

A Top Quality Ptychodus anonymus, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Eagle Ford Fm. tooth. These massive teeth have a design with transverse ridges extending across the cusp face. Authenticity guaranteed. Perfect tooth. 

T089            SIZE: 7/16"

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

A Top Quality Ptychodus anonymus, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Arcadia Park Fm. tooth. These massive teeth have a design with transverse ridges extending across the cusp face. Authenticity guaranteed. Perfect tooth. 

T088            SIZE: 9/16"

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

A Top Quality Ptychodus anonymus, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Arcadia Park Fm. tooth. These massive teeth have a design with transverse ridges extending across the cusp face. Authenticity guaranteed. Near perfect tooth. 

T087            SIZE: 1/2"

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

A Top Quality Ptychodus anonymus, an extinct durophagous (shell-crushing) shark, tooth from McLennan Co., Texas. An excellent example of this Upper Cretaceous Lako Waco Fm. tooth. These massive teeth have a design with transverse ridges extending across the cusp face. Authenticity guaranteed. Perfect tooth. 

T084            SIZE: 1/2"

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

A Top Quality Ptychodus anonymus, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Kamp Ranch Fm. tooth. These massive teeth have a design with transverse ridges extending across the cusp face. Authenticity guaranteed. Perfect tooth. 

T083            SIZE: 5/8"

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

A Top Quality Ptychodus anonymus, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Kamp Ranch Fm. tooth. These massive teeth have a design with transverse ridges extending across the cusp face. Authenticity guaranteed. Perfect tooth. 

T082            SIZE: 11/16"

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

A Top Quality Ptychodus anonymus, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Kamp Ranch Fm. tooth. These massive teeth have a design with transverse ridges extending across the cusp face. Authenticity guaranteed. Near perfect tooth. 

T081            SIZE: 7/8"

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