Search results for: 'guid black 20 inch thick ridg'

A Top Quality Tietea singularis, petrified Tree Fern, trunk slice from the Maranhão Basin, NE Brazil. This tree fern was from the Pedra do Fogo Formation and is Permian age age (265 MYA). Both sides are polished. The interior is highly vascular with unqiue pores and channels that have been silicified into agate. Trunk slice thickness is 3/16" and makes a great display. This piece exhibits exceptional preservation and color. Authenticity guaranteed. An exceptional old collection display piece!    

PW21     SIZE:  7" x  6-1/4"  x  3/16" thick

Note - Adding 23 petrified wood specimens in November 2023 --> Link to petrified wood

A Top Quality Triassic petrified limb slice from Circle Cliffs, Utah. This petrified wood is from the Chinle Fm and is Triassic age (210 MYA). A natural fossil wood specimen with one end polished. Limb slice is 2-1/4" thick and makes a good display. This piece exhibits good preservation and color. Authenticity guaranteed. An exceptional old collection display piece!   Note - This items weighs 2.3 lbs and will require a shipping supplement to free shipping offers. 

PW17     SIZE:   4-7/8" x  2" x  2-1/4" thick

Note - Adding 23 petrified wood specimens in November 2023 --> Link to petrified wood

A well preserved Glyptotherium scute from the ACE Basin, So. Carolina. The Glyptotherium  was an oversized armadillo with a thick shell that was a close relative to the Glyptodon. It evolved in the early Pliocene and became extinct at the end of the Pleistocene in North America. This is a scute is complete with some wear. Well fossilized. No repair or restoration. Authenticity guaranteed. 

X802           Size: 2-1/8" x 1-3/4"  x 3/4" thick

Name: Glyptotherium scute

Age:  Pleistocene

Location: ACE Basin, So. Carolina

Note - Posting 26 mammal and reptile fossils in March 2024.  Link to Other Mammals

A Top Quality Ptychodus decurrens, an extinct durophagous (shell-crushing) shark, tooth from Travis Co., Texas. An excellent example of this Upper Cretaceous So. Bosque Shale Fm. tooth. These massive teeth have a design with transverse ridges extending across the cusp face and the margins. Authenticity guaranteed. Near perfect tooth. A rare species.

T105            SIZE: 3/8"

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

A Top Quality Ptychodus latissimus, an extinct durophagous (shell-crushing) shark, tooth from Ellis Co., Texas. An excellent example of this Upper Cretaceous Atco Fm. tooth. These massive teeth have a design with 5 to 6 strong transverse ridges extending across the cusp face and granular margins. Authenticity guaranteed.  Near perfect tooth - some root loss. 

T292            SIZE: 5/8"

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

A Top Quality Ptychodus whipplei, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Atco Fm. tooth. These massive teeth have a design with a very tall conical cusp with transverse ridges extending across the cusp face, but typically do not reach the margin. Authenticity guaranteed. 

T033            SIZE: 5/8"

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

 A rare, Cretaceous shark vertebra with excellent color. Exceptional concentric growth rings well preserved. Very thick at 5/8". Centra faces are very clean and very well preserved. Cretaceous age.Excellent quality.      

M1170           SIZE: 1-3/8"

 A rare, Cretaceous shark vertebra with excellent color. Exceptional concentric growth rings well preserved. Very thick at 5/8". Centra faces are very clean and very well preserved. Cretaceous age.Excellent quality. 

M1171            SIZE: 1-3/8"

A rare, Cretaceous shark vertebra with excellent color. Exceptional concentric growth rings well preserved. Very thick at 1/2". Centra faces are very clean and very well preserved. Cretaceous age.Excellent quality.  

M1172           SIZE: 1-3/16"

A rare, Cretaceous shark vertebra with excellent color. Exceptional concentric growth rings well preserved. Very thick at 1/2". Centra faces are very clean and very well preserved. Cretaceous age.Excellent quality.   

M1173                 SIZE: 1-3/16"

A Top Quality Protolamna sokolovi, an extinct Mackerel shark, tooth from Tarrant Co., Texas. An excellent example of this Lower Cretaceous Paw Paw Fm. shark. These teeth have a unique design with a high root face, broad side cusps, and strong vertical ridges along the crown base. This is a lateral tooth with perfect side cusps. Authenticity guaranteed. Perfect tooth.

T250            SIZE: 1/2"

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

A Top Quality Protolamna sokolovi, an extinct Mackerel shark, tooth from Tarrant Co., Texas. An excellent example of this Lower Cretaceous Paw Paw Fm. shark. These teeth have a unique design with a high root face, broad side cusps, and strong vertical ridges along the crown base. This is a lateral tooth with perfect side cusps. Authenticity guaranteed. Perfect tooth.

T249            SIZE: 9/16"

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