Search results for: 'silver shark alta biting 1'

An ultra rare, Top Quality Edestus heinrichi, a complete whorl with three crowns from Herrin, Illinois. A July Fossil of the Month. This is a Paleozoic shark that lived in swamp that our now underground coal deposits. Exceptional preservation, serrations, and serration detail. The Edestus shark would have an upper and lower tooth whorl that are vertically opposed. Research showed that they could use their opposing teeth in a scissor-like motion to cut prey. It is the first animal to cut vertically with linear tooth whorls. A very strange looking and unique acting shark. This whorl is incredibly massive at 6" long with three crowns. The whorl body is well perserved with an excellent bright line of pyrite below the crown enamel. The crowns are large at 1-5/8" wide and look fantastic. Note - One crown tip has a small professional repair (~1/8") which is very common for a whorl. Pennsylvanian age from Illinois. Authenticity guaranteed. The Edestus shark recreation image is credited to Julio Lacerdo. These Edestus whorls are extremely rare. This whorl comes with a custon steel stand and  makes a fantastic display piece. My lowest price ever for a complete whorl! 

I01        SIZE:  6" whorl  (1-5/8"+ crowns)  ;  Height is 4-1/8" on stand.

Adding 22 Edestus shark teeth in July 2025.    Link to Edestus shark.

An excellent, well preserved Pleistocene fossil crab, Macrophthalmus latreille, from northern Australia. Latreille's sentinel crab. Matrix free.

X051          SIZE: 5-7/16"

Note - Adding 7 fossil crabs in November 2018.  -->   Link to Fossil Crabs

An excellent, well preserved Pleistocene fossil crab, Macrophthalmus latreille, from northern Australia. Latreille's sentinel crab. Matrix free.

X053          SIZE: 4-11/16"

Note - Adding 7 fossil crabs in November 2018.  -->   Link to Fossil Crabs

A set of three, rare Hemipristis serra shark tooth from the Caribbean. High quality enamel and great color. Partial teeth. These teeth are quite rare at this deposit. No repair or restoration. Authenticity guaranteed. 

CA10        SIZE: 1-1/4"  to  3/4"

An EXTRA LARGE,  Top Quality lower jaw Notorhynchus tooth - the Sevengill Cow shark, from the Lee Creek mine, Aurora, No. Carolina. This tooth has a rich  tan crown with a tan root. Seven main cusps (complete). Incredible color and preservation. These are Miocene age, Pungo River Formation teeth. A near Perfect tooth. A fantastic collector's tooth. Authenticity guaranteed.

LC603         Size: 1-3/16"

Note - Adding 39 Lee Creek Cow Shark teeth in February 2023        Link to Lee Creek Cow shark teeth.

A TOP QUALITY Dalmanites trilobite from the Silurian of New York. This trilobite exhibits a very interesting design with a long tail spine! Beautifully prepared. A TOP QUALITY specimen from the Silurian (435 mya), Rochester Shale from Medina, New York. A gorgeous specimen and a very scarce species! No repair or restoration. No cracks. Authenticity guaranteed. Matrix is 3-1/2" x 3-3/4".

X128         Size: 2-1/8"

Note - Adding 2 Dalmanites trilobites in December 2023.  ->  Link to US Trilobites.

A Top Quality Hexanchus tooth - a Sixgill Cow shark, from the Nottoway River, Virginia.  A lower jaw tooth with 8 primary cusps. This tooth is a rare red site tooth with an excellent red - brown color with a red - brown root. Incredible color and preservation. This is a Miocene age, Eastover Formation tooth. An excellent collector's tooth. Authenticity guaranteed. 

VA76         Size: 1-9/16"

Note adding 11 Virginia Cow shark teeth in June 2022.  --> Link to Virginia Cow Shark teeth

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 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 - female 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. 

MD401         Size: 1/2"

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

A LARGE,GEM Heterodontus anterior tooth. Exceptional condition. A difficult to find species! The BEST.

C856            SIZE: 3/32"

A rare, early Auriculatus lateral tooth from Kzil-Orda region, Kazakhstan. The bourlette is complete. Excellent coarse serrations, large side cusps serrations, and with very irregular serrations. These teeth exhibit fantastic color, gloss, and preservation. A rare early Eocene Auriculatus tooth (Ypresian age - 55 MYA)! No repair or restoration. Authenticity guaranteed. This is the true early Eocene Auriculatus tooth!   Note - This tooth appears to be a very late form of Otodus aksuaticus with serrations covering the botton 3/4 of the crown.

K505           SIZE: 2-1/16"

Note - Adding 24 Kazakh Auriuclatus or transition teeth in July 2024. -->  Link to Kazakh Auriculatus teeth.

An ultra rare, LARGE Top Quality Edestus heinrichi shark whorl with 7 big crowns, from Herrin, Illinois. An October Fossil of the Month. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Excellent preservation and serrations. This whorl is incredible teeth detail - the first 5 crowns are all natural and the the last two have some top repair. One of the finest whorls that I have had. The Edestus shark would have an upper and lower tooth whorl that are vertically opposed. Research showed that they could use their opposing teeth in a scissor-like motion to cut prey. It is the first animal to cut vertically. A very strange looking and unique acting shark. Shark recreation image is credited to Julio Lacerdo. These rare teeth are Pennsylvanian age from Illinois. Note - Two crown tips were professionally retored. Authenticity guaranteed. Seven plus crown whorl sections are ultra rare!  The BEST.

I01 BoP3         SIZE: 1-3/4" teeth   (Whorl :  10-1/4" length) 

Adding 11 Edestus shark specimens in October 2021.    Link to Edestus shark.