Search results for: 'seed cos zz'

An EXTRA LARGE, Top Quality Leptostyrax macrorhiza, an extinct Mackerel shark, tooth from Tarrant Co., Texas. An excellent example of this Lower Cretaceous Paw Paw Fm. shark. These teeth have a unique design with a very high root face and broad & long side cusps. This is an anterior tooth with perfect cusps. Found broken. Left root lobe reattached. Authenticity guaranteed. Near perfect tooth. Maximum size tooth.

T161           SIZE: 1-9/16"

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

A Top Quality Sterculia coloradensis + Allophyllus leaves from the Green River Fm., Cowboy Canyon, Bonanza Co., Utah. The Sterculia coloradensis + Allophyllus are trees from the Eocene age (48 MYA) in the ancient Lake Unita deposit. This piece exhibits exceptional preservation and excellent color. No repair or restoration. Authenticity guaranteed. This leaf comes with a custom made wooden stand and ID plate (see photo). It is ready to display. A special old collection display piece!  Note - this item weighs 4.2 lbs and will have an international shipping surcharge added to free shipping. Please note that quarries are now shut down.

GL32     SIZE: 3-5/8" x 4-1/8"  (3-3/8" Allophyllus)    Plate size: 6" x 6-1/4"

Note - Adding 24 Green River Fm. Fossil leaves in September 2023 --> Link to Green River Fossil Leaves

A Top Quality Macginitiea wyomingensis leaf the from Green River Fm., Douglas Pass, Garfield Co., Colorado. The Macginitiea wyomingensis is a Sycamore leaf from the Eocene age (48 MYA) in the ancient Lake Unita deposit. This piece exhibits exceptional preservation and color. Note - one of the points on top of the leaf was lost to the opposing matrix and approximately 1" was restored. Otherwise a perfect leaf. Authenticity guaranteed. This leaf comes with a custom made wooden stand and ID plate (see photo). It is ready to display. An exceptional display piece!  Note - this item weighs 2.3 lbs and will have an international shipping surcharge added to free shipping.

GL01     SIZE: 5-3/16" x 5-1/2"      Plate size: 5-1/2" x 5-3/4"

Note - Adding 20 Green River Fm. Fossil leaves in August 2023 --> Link to Green River Fossil Leaves

A Top Quality Macginitiea wyomingensis leaf the from Green River Fm., Douglas Pass, Garfield Co., Colorado. The Macginitiea wyomingensis is a Sycamore leaf from the Eocene age (48 MYA) in the ancient Lake Unita deposit. This piece exhibits exceptional preservation and color. Note - this piece cracked during extraction and was put back together. Otherwise a perfect leaf. Authenticity guaranteed. This leaf comes with a custom made wooden stand and ID plate (see photo). It is ready to display. An exceptional old collection display piece!  Note - this item weighs 2.5 lbs and will have an international shipping surcharge added to free shipping. Please note that quarries are now shut down.

GL43     SIZE: 4-1/4" x 4-3/4"      Plate size: 5-1/2" x 6-1/4"

Note - Adding 24 Green River Fm. Fossil leaves in September 2023 --> Link to Green River Fossil Leaves

A LARGE, very rare Top Quality Paraisurus compressus, an extinct Mackerel shark, tooth from Tarrant Co., Texas. An October Fossil of the Month. 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. One complete root lobe and the other lobe is nearly. Authenticity guaranteed. You do not see these teeth very often.

T221            SIZE: 1-3/16"

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

A Top Quality Cretodus crassidens, an extinct Mackerel shark, tooth from Dallas Co., Texas. An excellent example of this Lower Cretaceous Eagle Ford Fm. tooth. These massive teeth have a design that includes a large / heavy root with high root face, a narrow crown width, and broad side cusps. This is the big shark tooth in Texas Cretaceous deposits which can reach 2.6". This is a lateral tooth with perfect side cusps. Authenticity guaranteed. Perfect tooth. I don't see many of these teeth.

T186            SIZE: 1-3/8"

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

A Top Quality Cretodus crassidens, an extinct Mackerel shark, tooth from Dallas Co., Texas. An excellent example of this Lower Cretaceous Eagle Ford Fm. tooth. These massive teeth have a design that includes a large / heavy root with high root face, a narrow crown width, and broad side cusps. This is the big shark tooth in Texas Cretaceous deposits which can reach 2.6". This is an anterior tooth with perfect side cusps. Authenticity guaranteed. I don't see many of these teeth.

T185            SIZE: 1-5/8"

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

A LARGE, High Quality Cretodus crassidens, an extinct Mackerel shark, tooth from Dallas Co., Texas. An excellent example of this Lower Cretaceous Eagle Ford Fm. tooth. These massive teeth have a design that includes a large / heavy root with high root face, a narrow crown width, and broad side cusps. This is the big shark tooth in Texas Cretaceous deposits which can reach 2.6". This is an anterior tooth with perfect side cusps. Authenticity guaranteed. I don't see many of these teeth.

T181            SIZE: 2-1/4"

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

A Devonian sea floor slab with a Eldredgops (Phacops) rana milleri trilobite from the Silica Shale Formation of Ohio. The also three large pyrite replaced Paraspirifer bownockeri brachiopods, three Mucrospirifer mucronatus brachiopods, and other specimens. The Eldredgops has excellent detail on the compound eyes - very well preserved. The quality of the Silica Shale Fm. fossils are incredible. A rare sea floor specimen from the Middle Devonian (380 mya), Silica Shale Fm. from Lucas Co., Ohio. You don't see multi-species slabs for sale. A Museum Quality specimen. One of my favorites!  Note - This item weighs 9 lbs. An international shipping surcharge will be applied to "Free Shipping". Please inquire for cost.

X101      Eldredgops  Size: 1-3/4"   ;    Paraspirifer  Size: 2-1/4" ;      Mucrospirifer Size: 1-1/8"

Note - Posting 5 trilobites in December 2021.  ->  Link to US Trilobites.

A Top Quality Cretodus crassidens, an extinct Mackerel shark, tooth from Dallas Co., Texas. An excellent example of this Lower Cretaceous Eagle Ford Fm. tooth. These massive teeth have a design that includes a large / heavy root with high root face, a narrow crown width, and broad side cusps. This is the big shark tooth in Texas Cretaceous deposits which can reach 2.6". This is a lateral tooth with perfect side cusps. Authenticity guaranteed. Near perfect tooth with a small tip nick. I don't see many of these teeth.

T182            SIZE: 1-5/8"

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

A Top Quality Cretoxyrhina mantelli tooth from Ness Co., Kansas. An excellent example of this Cretaceous shark. Authenticity guaranteed. 

KS014            SIZE: 11/16"

Note - Adding 15  new  Cretoxyrhina mantelli teeth in April 2020.   Link to Kansas Cretoxyrhina teeth

A HIgh Quality Cretoxyrhina mantelli tooth from Ness Co., Kansas. An excellent example of this Cretaceous shark. Authenticity guaranteed. 

KS013            SIZE: 11/16"

Note - Adding 15  new  Cretoxyrhina mantelli teeth in April 2020.   Link to Kansas Cretoxyrhina teeth