Search results for: 'extinct mucilage from pedalium murex'

A Top Quality Ptychodus anonymus, an extinct durophagous (shell-crushing) shark, tooth from Johnson 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. 

T085            SIZE: 3/8"

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

A Top Quality Cretoxyrhina mantelli, an extinct Mackerel (Odontid) shark tooth from Travis Co., Texas. An excellent example of this Late Cretaceous South Bosque Shale (Eagle Ford) Fm. shark. An anterior tooth. Authenticity guaranteed. Near perfect tooth. (There is a crack in the crown just above the bourlette)

T067           SIZE: 7/8"

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

Holmsella sp.; an  Extinct Primitive shark

A very rare shark skin specimen. This matrix piece is covered with dermal denticals. Shark skin impressions with denticals are extremely rare and a Paleozoic age find adds to the rarity. An exceptional collector's piece from an old collection!

Age: Pennsylvanian (295 mya) ; Dennis Fm.

Location: Hansen Quarry, La Platte, Nebraska

Z143         SIZE: 5-1/2"  x  4"

Holmsella sp.; an  Extinct Primitive shark

A very rare shark skin specimen. This matrix piece is covered with dermal denticals. Shark skin impressions with denticals are extremely rare and a Paleozoic age find adds to the rarity.  An exceptional collector's piece from an old collection!

Age: Pennsylvanian (295 mya) ; Dennis Fm.

Location: Hansen Quarry, La Platte, Nebraska

Z144            SIZE: 4" x 2-1/2"

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

Symmorium sp.; an  Extinct Symmorid shark

 An EXTRA LARGE collector's tooth. Nicely articulated. Matrix free - rare! Tooth glued. An excellent collector's tooth!  New Kansas location.   Reverse Photo.

Age: Pennsylvanian (300 mya) ; Raytown Limestone Fm.

Location: Lenexa, Johnson Co., Kansas

Z104               SIZE: 1-11/16" 1-1/4" W

Symmorium sp.; an  Extinct Symmorid shark

 An EXTRA LARGE collector's tooth. Nicely articulated. Matrix free - rare! Tooth glued. An excellent collector's tooth!  New Kansas location.   Reverse Photo.

Age: Pennsylvanian (300 mya) ; Raytown Limestone Fm.

Location: Lenexa, Johnson Co., Kansas

Z105             SIZE: 7/8" H x   15/16" W

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. Perfect tooth. A rare species.

T107            SIZE: 3/16"

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. Perfect tooth. A rare species.

T106            SIZE: 5/16"

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. Perfect tooth. A rare species.

T104            SIZE: 7/16"

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 McLennan Co., Texas. An excellent example of this Upper Cretaceous Lake Waco Fm. tooth. These massive teeth have a design with transverse ridges extending across the cusp face and the margins. Authenticity guaranteed. Perfect tooth. A rare species.

T103            SIZE: 3/8"

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