Search results for: 'largest shark fern miocene a'

A Top Quality Lepidodendron section from Llewellen, Pennsylvania. The Lepidodendron is extinct genus of tree-sized primitive lycopsid plants that evolved during the Pennsylvanian Period. They are large vascular plants which is related to todays club mosses. This specimen is well preserved with dimple-like depressions covering the outer surface. Pennsylvanian age. (300 mya). It weighs 2.5 pounds. Authenticity guaranteed.

FN03     SIZE:   4-7/8" x  2-7/8" 

Note - Adding 4 fern / Lepidodendron  specimens in December 2023 -->   Link to Fossil Ferns

A Top Quality Lepidodendron section from Keota, Oklahoma. The Lepidodendron is extinct genus of tree-sized primitive lycopsid plants that evolved during the Pennsylvanian Period. They are large vascular plants which is related to todays club mosses. This specimen is well preserved with dimple-like depressions covering the outer surface. Pennsylvanian age. (300 mya). It weighs 4.3 pounds. Authenticity guaranteed.

FN02     SIZE:   8-3/4" x  3-3/8" 

Note - Adding 4 fern / Lepidodendron  specimens in December 2023 -->   Link to Fossil Ferns

"The Collector's Guide to Fossil Sharks and Rays From the Cretaceous of Texas"  is a must have book for collectors and professionals for the Cretaceous teeth of Texas and elsewhere. Very comprehensive with incredible photos. 204 pages. One of my favorites!  Note - an intenational shipping surcharge will be required for qualified free shipping orders.

BB12           Size: 8-1/2" x 11"

A pair of mammal coprolites (fossil dung). So detailed that is it hard to believe. Incredible preservation. They are Miocene age (approx. 20 million years ago) from the Wilkes Fm., Toledo, Washington. A very unique and fantastic gift item. Authenticity guaranteed. And it don't stink!

X012          SIZE: 1-3/4"  L   (Largest)

Note - 10 new coprolite fossils added in December 2020.      Link to coprolites.

A set of two Quality Rhinoptera sp., a Cownose ray, tooth plates from Baja, Mexico. Excellent tan color. The root shows incredible detail. Very good preservation and condition. This is a Miocene age tooth from the Rosarita Beach Fm. Authenticity guaranteed. A fantastic collector's tooth from a rare locality.  

MX352        Size: 7/16" (largest)

Posting 19 species (68 rare shark teeth) from Baja, Mexico.   Link to Mexican shark teeth -> Mexico shark teeth

An EXTRA LARGE rare, Top Quality Alopias grandis shark tooth, the extinct Giant Thresher, from So. Carolina. Excellent black color. Very good preservation and condition. An Oligocene age tooth. No repair or restoration. These teeth are not commonly found and seen. A rare collectors' tooth in top quality condition. Authenticity guaranteed. My largest Alopias grandis tooth!   

SC831           SIZE: 1-13/16"

Posting 21 Giant Thresher shark teeth in June 2024.    Link to Thresher sharks. 

An EXTRA LARGE, Top Quality Notidanodon loozi  lower jaw tooth from the phosphate mines of Khouribgha, Morocco. A fantastic Cow shark tooth from the Paleocene period. A super collector's tooth! This an unusually large tooth. Incredible color and luster. Root corner reattached. This is typical good quality for a large Notidanodon tooth. Near perfect tooth! Authenticity guaranteed.  The largest tooth that I have seen. 

M641        SIZE: 2-3/8" 

Note - Adding 12 new Moroccan Notidanodon teeth in October 2023 ->  Link to Notidanodon Teeth 

A rare High Quality, Large Heterodontus dorsal spine - the Horn shark from the Sharktooth Hill area, near Bakersfield, California. These Heterodontus spines only occasionally fossilize and they are quite rare. A great defensive weapon for the Horn shark! No repair or restoration. Authenticity guaranteed. The Sharktooth deposits produce the largest and best fossil Horn shark spines.

ST118        SIZE: 2-1/8"

A rare Sphyrna mokarran tooth, the Great Hammerhead shark, from Sumatra, Indonesia. These teeth were deposited in the Telisa formation - a shallow marine environment during the middle Miocene (approx. 15 million years ago.) A unique collector's tooth. These teeth are finely serrated. D044 is the top quality tooth. Authenticity guaranteed.

D044        SIZE: 7/16"

Note - 6 new Sumatran Hammerhead teeth added in January 2018.       Link to Sumatran teeth.

A rare Top Quality Heterodontus dorsal spine - the Horn shark from the Sharktooth Hill area, near Bakersfield, California. These Heterodontus spines only occasionally fossilize and they are quite rare. A great defensive weapon for the Horn shark! No repair or restoration. Authenticity guaranteed. The Sharktooth deposits produce the largest and best fossil Horn shark spines.

ST117        SIZE: 1-5/16"

Note - Adding 4 Heterodontus dorsal spines in February 2022.  Link to Heterodontus fossils

A rare EXTRA LARGE, Top Quality Heterodontus dorsal spine - the Horn shark from the Sharktooth Hill area, near Bakersfield, California. These Heterodontus spines only occasionally fossilize and they are quite rare. A great defensive weapon for the Horn shark! No repair or restoration. Authenticity guaranteed. The Sharktooth deposits produce the largest and best fossil Horn shark spines.

ST116        SIZE: 2-3/4"

Note - Adding 4 Heterodontus dorsal spines in February 2022.  Link to Heterodontus fossils

A rare EXTRA LARGE, Top Quality Heterodontus dorsal spine - the Horn shark from the Sharktooth Hill area, near Bakersfield, California. These Heterodontus spines only occasionally fossilize and they are quite rare. A great defensive weapon for the Horn shark! No repair or restoration. Authenticity guaranteed. The Sharktooth deposits produce the largest and best fossil Horn shark spines. This is a huge spine!

ST115        SIZE: 3-1/8"

Note - Adding 4 Heterodontus dorsal spines in February 2022.  Link to Heterodontus fossils