Search results for: 'guid with 2 強'

A Top Quality Paronychodon lacustris tooth from Montana. A theropod from the Troodonidae family. These teeth are recurved, flat, with strong longitudinal grooves running the length of the crown. They are non-serrate and may be related to Richardoestesia (see below). No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. 

DB08       Size: 3/8"+

Note - Adding 10 new Paronychodon teeth in August 2022      Link to Paronychodon catalog.

An excellent group of three of Large, Top Quality Mucrospirifer thedfordensis brachiopods from Arkona, Ontario, Canada. Brachiopods are bivalve molluscs. Both valves present  - complete specimens and matrix free. Excellent preservation. This is a middle Devonian (395 mya) brachiopod. Authenticity guaranteed. A great display group! 

Y029          SIZE: 1-9/16"   (largest)

Note - posting 23 new Brachiopods in January 2024.      Link to Brachiopods.

A well preserved Turtle shell section from northern Florida.  This turtle shell section is from the Pleistocene in North America. No repair or restoration. Authenticity guaranteed. 

X825           Size: 1-1/16" x 1-7/16"  

Name: Turtle shell

Age:  Pleistocene

Location: Northern Florida

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

A scarce, Top Quality Cretolamna twiggensis shark tooth from the Richmond area, Virginia. Nice black color. Excellent preservation and condition. An Eocene age tooth. These teeth are not commonly found and seen. A rare collectors' tooth. Authenticity guaranteed.    

VA62           SIZE: 1-1/4"

Posting 22 scarce Virginia shark teeth in September 2021.     Link to Virginia teeth.

A Top Quality Squalicorax pawpawensis, an extinct Crow shark tooth from Tarrant Co., Texas. An excellent example of this Lower Cretaceous Paw Paw Fm. shark. Authenticity guaranteed. Perfect tooth.

T408            SIZE: 5/16"

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

A Top Quality Cretolamna appendiculata, an extinct Mackerel (Odontid) shark tooth from Tarrant Co., Texas. An excellent example of this Lower Cretaceous Paw Paw Fm. shark. A lateral tooth. Perfect side cusps. Authenticity guaranteed. Perfect tooth.

T049            SIZE: 7/16"

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

A Top Quality Onchopristis dunklei, an extinct Sawshark, rostal tooth from Tarrant Co., Texas. An excellent example of this Lower Cretaceous Paw Paw Fm. shark. These rostal teeth have a unique design with two or more barbs on the posterior edge. Authenticity guaranteed. Perfect tooth.

T202           SIZE: 5/8"

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

A very rare Top Quality Paraisurus compressus, an extinct Mackerel shark, tooth from Tarrant Co., Texas. An excellent example of this Lower Cretaceous Paw Paw Fm. tooth. These teeth have a unique design with a a very compressed tooth, very high root face, no cusps, and long slender root lobes. Authenticity guaranteed. You do not see these teeth very often.

T224            SIZE: 3/4"

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 Hunt 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. 

T090            SIZE: 9/16"

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

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 Collin Co., Texas. An excellent example of this Upper Cretaceous Arcadia Park 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. Perfect tooth. 

T293            SIZE: 11/16"

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