Search results for: 'group black 20 in02 thick ridg'

A LARGE, incredible natural Nautiloid ammonite from the Cretaceous of Madagascar. The aragonite shell is nicely articulated. Very wide (thick), fully inflated, and very heavy. Exceptional color and preservation. A gorgeous display item!  Authenticity guaranteed. Comes this the chrome steel stand as photographed. Note - This item weighs 7.35 lbs.  International customers will not have free shipping.

X273        Size: 6-1/4"   (4-11/16" wide)

Note - Adding 6 large Madagascar ammonites in July 2023 -->   Link to Madagascar ammonites

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

An EXTRA LARGE, incredible natural Nautiloid ammonite from the Cretaceous of Madagascar. A July Fossil of the Month. The aragonite shell is nicely articulated. Very wide (thick), fully inflated, and very heavy. Exceptional color and preservation. A gorgeous display item!  Authenticity guaranteed. Comes this the chrome steel stand as photographed. Note - This item weighs 8.5 lbs.  International customers will not have free shipping.

X272        Size: 7"   (4-13/16" wide)

Note - Adding 6 large Madagascar ammonites in July 2023 -->   Link to Madagascar ammonites

An excellent examples of rare Great White transition teeth, C. hubbelli (newly described in 2012). Note - this group exhibits extremely sharp pointed crowns. P345 has very fine serrations. P346 has "escheri type" faint wavy serrations.

P346 (Right)              SIZE: 1"

A rare, Top Quality Jaekelotodus trigonalis shark lateral tooth from Tushbair, West Kazakhstan. Fantastic color and condition. Crazy multiple side cusps - rare!  An incredible Eocene (Bartonian) age tooth. No repair or restoration. Authenticity guaranteed. One of the finest localities for Eocene age shark teeth! You will enjoy the quality of the Kazakh teeth. 

K206         Size:  1-3/8"

Posting 15 Kazakh Jaekelotodus trigonalis shark teeth in July 2024.    Link to Kazakh Jaekelotodus teeth.

A Top Quality Ptychodus whipplei, 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 a very tall conical cusp with transverse ridges extending across the cusp face, but typically do not reach the margin. Authenticity guaranteed. Perfect tooth. 

T029            SIZE: 1/2"

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

T027            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 Collin Co., Texas. An excellent example of this Upper Cretaceous Arcadia Park 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. Perfect tooth. 

T026            SIZE: 3/4"

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

T025            SIZE: 13/16"

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

T024            SIZE: 3/4"

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

T023            SIZE: 3/4"

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

T022            SIZE: 13/16"

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