Search results for: 'guid black 20 inch thick rossi'

An incredible, EXTRA LARGE polished Orthoceras cylinder showing the intricate internal chamber structure. Seven Orthoceras specimens exposed. Largest Orthoceras is 10-1/2" in length. A museum quality extra large Orthoceras plate. An incredible display piece!     Note: international shipping cost will be calculated. Please request quote.

M2029           Size: 4" x 12-1/2"

An incredible polished Orthoceras plate showing the intricate internal chamber structure with one Orthoceras specimen exposed. Orthoceras measures 5-3/4" in length.  An attractive display piece!      Note: international shipping cost will be calculated. Please request quote.

M2032          Size: 5-3/4"

An incredible polished Orthoceras plate showing the intricate internal chamber structure with one Orthoceras specimen exposed. Orthoceras measures 6" in length.  An attractive display piece!      Note: international shipping cost will be calculated. Please request quote.

M2033          Size: 6"

An incredible polished Orthoceras plate showing the intricate internal chamber structure with one Orthoceras specimen exposed. Orthoceras measures 5" in length.  An attractive display piece!      Note: international shipping cost will be calculated. Please request quote.

M2034          Size: 5"

An incredible polished Orthoceras plate showing the intricate internal chamber structure with one Orthoceras specimen exposed. Orthoceras measures 6-3/4" in length.  An attractive display piece!      Note: international shipping cost will be calculated. Please request quote.

M2034c          Size: 5-3/4"

A LARGE, Top Quality Carcharodon hastalis, Broad-tooth Mako, shark tooth - lower jaw anterior tooth from the Bahia Iglesa Fm. of Chile. This tooth has a tan crown and a tan root. Excellent color! Razor sharp cutting edge. Excellent preservation - note nutrient hole on root. Perfect tooth. This species is the ancestor to the Great White shark. A fantastic color collector's tooth. Authenticity guaranteed. You don't see these BIG Chilean Mako teeth any more. 

C306          Size: 2-5/8"

Note - Adding 25 new Chilean Carcharodon hastalis teeth in April 2023    Link to Chilean Mako teeth.

A Top Quality Macginitiea wyomingensis seed the from Green River Fm., Cowboy Canyon, Bonanza Co., Utah. The Macginitiea wyomingensis is a Sycamore seed from the Eocene age (48 MYA) in the ancient Lake Unita deposit. This piece exhibits exceptional preservation and color. No repair or restoration. A perfect seed. Authenticity guaranteed. This seed comes with a custom made wooden stand and ID plate (see photo). It is ready to display. An exceptional old collection display piece!  Please note that quarries are now shut down.

GL44     SIZE: 7/8" x 7/8"      Plate size: 4-1/8" x 4-3/8"

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

A Top Quality Notorhynchus tooth - a Sevengill Cow shark, from the Randle's Cliff, Maryland. A June Fossil of the Month. A rare lower jaw symphyseal tooth with 9 primary cusps - male species. This tooth has an excellent blue - gray color with a tan root. Great color and preservation. This is an early Miocene age, Calvert Formation tooth. An excellent collector's tooth. Authenticity guaranteed. 

MD402         Size: 1/2"

Note adding 23 Maryland Cow shark teeth in June 2022.  --> Link to Maryland Cow Shark teeth

A Top Quality Prognathodon anceps tooth from the phosphate mining region, Khouribga, Morocco. P. anceps is one of the largest mosasaur species known with huge nearly round teeth used for crushing prey.  Exceptional condition and preservation. Note - this large Moroccan Mosasaur was renamed to a Prognathodon genus. A massive Mosasaur tooth from the hero of Jurassic World! No repair or restoration.  Authenticity guaranteed. This is a fantastic specimen. 

M1068        SIZE: 1-13/16"    (1-1/4" wide) 

Note - Adding 35 new Mosasaur teeth in November 2023. -->  Link to Mosasaur teeth.

A LARGE, Top Quality Bull shark tooth, Carcharhinus leucas. An upper jaw tooth from an extant Bull shark. Bright white color. Perfect tooth. Authenticity guaranteed. 

MB07      SIZE: 1-1/8"

Note - Adding 24 modern shark teeth in December 2023  ->  Link to modern Bull shark teeth

A LARGE, Top Quality modern Tiger shark tooth, Galeocerdo cuvier. This is a tooth from an extant Tiger shark. Bright white color. Perfect tooth. Authenticity guaranteed.

MT09       SIZE: 1-1/16"

Note - Adding 12 modern Tiger shark teeth in December 2023 -> Link to modern Tiger shark teeth

An EXTRA LARGE, ~2" Top Quality Hexanchus griseus tooth from the Caldera Basin of Chile. Beautiful blue cusps. A February Fossil of the Month. This is large complete lower jaw tooth from a large shark. Superb preservation and color. Twelve primary cusps. An excellent root which is very unique & extremely difficult to find! A Perfect rare collector's tooth. Authenticity guaranteed. Unfortunately there are no more teeth coming from this site. Note - This is one of the top ten best extra large Hexanchus lower jaw teeth that I have seen!     

C403L          Size: 1-15/16"

Note - Adding 18 new Chilean Hexanchus teeth in February 2024 ->  Link to Hexanchus Teeth