Search results for: 'fossil sharks of the chesapeake band region/'

A Top Quality Ptychodus polygyrus, 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 8 to 9 fine transverse ridges extending across the cusp face and transition to a concentric pattern at the base of the cusp. Authenticity guaranteed. Perfect tooth. This is a rare species.

T264            SIZE: 7/16"

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

A Top Quality Ptychodus polygyrus, 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 8 to 9 fine transverse ridges extending across the cusp face and transition to a concentric pattern at the base of the cusp. Authenticity guaranteed. Perfect tooth. This is a rare species.

T263            SIZE: 5/8"

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

A Top Quality Ptychodus polygyrus, 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 8 to 9 fine transverse ridges extending across the cusp face and transition to a concentric pattern at the base of the cusp. Authenticity guaranteed. Perfect tooth. This is a rare species.

T262            SIZE: 13/16"

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

A Top Quality Ptychodus mortoni, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Eagle Ford Fm. tooth. These  teeth have a design that includes a high cusp with radiating occlusal ridges extending across the cusp face. Authenticity guaranteed. P. mortoni is a rare species in Texas, and when teeth get this large they are extremely rare!

T391            SIZE: 1-1/16"

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

A Top Quality Ptychodus mortoni, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Eagle Ford Fm. tooth. These  teeth have a design that includes a high cusp with radiating occlusal ridges extending across the cusp face. Authenticity guaranteed. P. mortoni is a rare species in Texas, and when teeth get this large they are extremely rare!

T390            SIZE: 1-1/16"

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

An ultra rare, Top Quality Edestus heinrichi, a complete whorl with three crowns from Herrin, Illinois. A July Fossil of the Month. This is a Paleozoic shark that lived in swamp that our now underground coal deposits. Exceptional preservation, serrations, and serration detail. The Edestus shark would have an upper and lower tooth whorl that are vertically opposed. Research showed that they could use their opposing teeth in a scissor-like motion to cut prey. It is the first animal to cut vertically with linear tooth whorls. A very strange looking and unique acting shark. This whorl is incredibly massive at 6" long with three crowns. The whorl body is well perserved with an excellent bright line of pyrite below the crown enamel. The crowns are large at 1-5/8" wide and look fantastic. Note - One crown tip has a small professional repair (~1/8") which is very common for a whorl. Pennsylvanian age from Illinois. Authenticity guaranteed. The Edestus shark recreation image is credited to Julio Lacerdo. These Edestus whorls are extremely rare. This whorl comes with a custon steel stand and  makes a fantastic display piece. My lowest price ever for a complete whorl! 

I01        SIZE:  6" whorl  (1-5/8"+ crowns)  ;  Height is 4-1/8" on stand.

Adding 22 Edestus shark teeth in July 2025.    Link to Edestus shark.

A Top Quality Zuul crurivastator, an Ankylosaur, osteoderm or scute (bony armor plate) from the late Cretaceous of North America. The Campanian age Ankylosaurs grew to 20 feet and 6000 pounds, and a body covered with this bony armor. The bone is exceptional quality with excellent color and patina. A complete scute from a juvenile Zuul Ankylosaur. Great osteoderm height - a extra hight ridge. ~76 MYA. Legally collected on private land in the Judith River Fm., Havre, Montana. Authenticity guaranteed. A collector's quality Ankylosaur osteoderm. 

DK27         SIZE: 2-1/8"  (1-1/4" Height)

Note - Adding 14 new Ankylosaur - Nodosaur fossils in December 2021.       Link to Ankylosaur fossils catalog.

A rare, Top Quality Ankylosaurus magniventris partially rooted tooth from the late Cretaceous of North America. Ankylosaurus magniventris was the largest Ankylosaur which grew to 30 feet and 17000 pounds. Note - These incredibly sized dinosaurs had small teeth. The enamel is the highest quality with excellent color / patina. The crown has a little wear facet. No cracks or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. An excellent collector's quality Ankylosaur tooth. Note - tooth comes with the gem case pictured. 

DK09      SIZE: 5/16"    (3/16" wide)

Note - Adding 9 new Ankylosaur / Nodosaur fossils in June 2024.       Link to Ankylosaur fossils catalog.

A rare, Top Quality Ankylosaurus magniventris tooth from the late Cretaceous of North America. Ankylosaurus magniventris was the largest Ankylosaur which grew to 30 feet and 17000 pounds. Note - These incredibly sized dinosaurs had small teeth. The enamel is the highest quality with excellent color / patina. The crown has a typical wear facet. No cracks or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. An excellent collector's quality Ankylosaur tooth. Note - tooth comes with the gem case pictured. 

DK07      SIZE: 5/16"    (1/4" wide)

Note - Adding 9 new Ankylosaur / Nodosaur fossils in June 2024.       Link to Ankylosaur fossils catalog.

A rare, Top Quality Ankylosaurus magniventris tooth from the late Cretaceous of North America.  Ankylosaurus magniventris was the largest Ankylosaur which grew to 30 feet and 17000 pounds. Note - These incredibly sized dinosaurs had small teeth. The enamel is very good quality with excellent color / patina. The crown has little wear. No cracks or restoration. Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. Authenticity guaranteed. An excellent collector's quality Ankylosaur tooth. Note - tooth comes with the gem case pictured.

DK08      SIZE: 3/8"    (1/4" wide)

Note - Adding 16 new Ankylosaur / Nodosaur fossils in January 2023.       Link to Ankylosaur fossils catalog.

The October 2015 Week #4 Fossil of the Month is a LARGE, GEM Megalodon PRINCIPAL ANTERIOR upper jaw tooth from the Bolan Hall Creek, Jasper Co., So. Carolina. A gorgeous symmetrical Meg with a greenish - tan crown. High quality enamel. The brown bourlette is incredible, very glossy, anbd essentially complete. The serrations are incredibly sharp -" razor-like" with an exceptional tip serration and nearly perfect! Incredible serrations for a bigger So. Carolina Meg - among the finest (see the close photos)! The root is complete, nicely articulated, few hydration cracks and a nice brown color. Exceptional symmetry - the perfect shaped Meg. This Megalodon is an exceptionally well preserved. NO repair or restoration. AN EXCEPTIONAL MEG. MUSEUM QUALITY. The BEST of the BEST! If you are looking for a top quality Meg from an unusual location, this is the tooth for your collection! Be sure to see all of our Fossil Teeth of the Month selections.

SC063            SIZE: 5-3/8" (3-1/2" W)

A Top Quality Ptychodus polygyrus, 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 8 to 9 fine transverse ridges extending across the cusp face and transition to a concentric pattern at the base of the cusp. Authenticity guaranteed. Near perfect tooth - root not complete. This is a rare species.

T261            SIZE: 1"

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