Search results for: 'Particle size segregation in granular pipe flow'

A Top Quality Ptychodus latissimus, 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 5 to 6 strong transverse ridges extending across the cusp face and granular margins. Authenticity guaranteed. Perfect tooth. 

T295            SIZE: 3/4"

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 Dallas Co., Texas. An excellent example of this Upper Cretaceous Kamp Ranch 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. 

T294            SIZE: 13/16"

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

An EXTRA LARGE, 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.  Perfect tooth. 

T291            SIZE: 1"

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 LARGE "Prosqualodon" tooth with a big root structure from the Sharktooth Hill area, near Bakersfield, CA. Excellent preservation and gorgeous color. Some tip damage - very typical or this species. A mid Miocene Giant Dolphin-like creature. Authenticity guaranteed. My favorite giant dolphin-like creature species. 

ST907              SIZE: 2-1/8" 

Note - Adding 10 new Prosqualodon teeth  in July 2019  -->   Link to Prosqualodon Dolphin Teeth

A LARGE "Prosqualodon" tooth with a big root structure from the Sharktooth Hill area, near Bakersfield, CA. Excellent preservation and gorgeous color. Some tip damage - very typical or this species. A mid Miocene Giant Dolphin-like creature. Authenticity guaranteed. My favorite giant dolphin-like creature species. 

ST908              SIZE: 2-3/16" 

Note - Adding 10 new Prosqualodon teeth  in July 2019  -->   Link to Prosqualodon Dolphin Teeth

A LARGE "Prosqualodon" tooth with a big root structure from the Sharktooth Hill area, near Bakersfield, CA. Excellent preservation and gorgeous color. Excellent crown and root - very unusual for this species. A mid Miocene Giant Dolphin-like creature. Authenticity guaranteed. My favorite giant dolphin-like creature species. Near Perfect tooth.

ST909              SIZE: 2" +

Note - Adding 10 new Prosqualodon teeth  in July 2019  -->   Link to Prosqualodon Dolphin Teeth

A LARGE "Prosqualodon" tooth with a big root structure from the Sharktooth Hill area, near Bakersfield, CA. Excellent preservation and gorgeous color. Small tip and root end tip damage - very typical for this species. A mid Miocene Giant Dolphin-like creature. Authenticity guaranteed. My favorite giant dolphin-like creature species. 

ST910              SIZE: 2" 

Note - Adding 10 new Prosqualodon teeth  in July 2019  -->   Link to Prosqualodon Dolphin Teeth

An EXTRA LARGE "Prosqualodon" tooth with a big root structure from the Sharktooth Hill area, near Bakersfield, CA. Excellent preservation and gorgeous color. Small tip and root end tip damage - very typical for this species. A mid Miocene Giant Dolphin-like creature. Authenticity guaranteed. My favorite giant dolphin-like creature species.

ST902              SIZE: 2-7/16" 

Note - Adding 10 new Prosqualodon teeth  in July 2019  -->   Link to Prosqualodon Dolphin Teeth

An EXTRA LARGE "Prosqualodon" tooth with a big root structure from the Sharktooth Hill area, near Bakersfield, CA. Excellent preservation and gorgeous color. Small amount of tip damage - very typical for this species. A mid Miocene Giant Dolphin-like creature. Authenticity guaranteed. My favorite giant dolphin-like creature species.

ST903              SIZE: 2-3/8" 

Note - Adding 10 new Prosqualodon teeth  in July 2019  -->   Link to Prosqualodon Dolphin Teeth

A rare, Top Quality "Prosqualodon" tooth with a big root structure from the Sharktooth Hill area, near Bakersfield, CA. Excellent preservation and gorgeous color. Excellent crown and root - very unusual for this species. A mid Miocene Giant Dolphin-like creature. Authenticity guaranteed. My favorite giant dolphin-like creature species. A Perfect tooth.

ST911              SIZE: 1-13/16" 

Note - Adding 10 new Prosqualodon teeth  in July 2019  -->   Link to Prosqualodon Dolphin Teeth