Search results for: 'sinonimos de caves 1'

A very rare, early Otodus mugodzharicus upper jaw, lateral tooth from Aktulagay, western Kazakhstan. A transitional tooth leading to C. auriculatus (see detailed discussion below) which leads to Megalodon. The bourlette is complete. Tooth exhibits very fine serrations along the lower 1/3 of crown and micro serrations to the tip. These teeth exhibit very good color, gloss, and preservation. A rare, early Eocene Auriculatus transition tooth. A very challenging tooth to find when building a Megalodon evolutionary set! No repair. Authenticity guaranteed. Note - This western Kazakhstan site is one of the few places in the world where the Otodus to Auriculatus transition can be found in adjacent layers.

K554         SIZE: 1-1/4"

Note - Adding 18 Kazakh Auriuclatus or transition teeth in April 2020. -->  Link to Kazakh Auriculatus teeth.

A very rare, early Otodus mugodzharicus upper jaw, lateral tooth from Aktulagay, western Kazakhstan. A transitional tooth leading to C. auriculatus (see detailed discussion below) which leads to Megalodon. The bourlette is complete. Tooth exhibits wavy serrations along the lower 1/3 of crown and small wavy serrations to the tip. These teeth exhibit very good color, gloss, and preservation. A rare, early Eocene Auriculatus transition tooth. A very challenging tooth to find when building a Megalodon evolutionary set! No repair. Authenticity guaranteed. Note - This western Kazakhstan site is one of the few places in the world where the Otodus to Auriculatus transition can be found in adjacent layers.

K553         SIZE: 1-1/2"

Note - Adding 18 Kazakh Auriuclatus or transition teeth in April 2020. -->  Link to Kazakh Auriculatus teeth.

"The Color Collection - North of the River"  An EXTRA LARGE, TOP QUALITY, upper jaw anterior Isurus planus tooth from the Sharktooth Hill area, California. This tooth is displayed on its original Round Mountain silt matrix along with a Hastalis tooth. Beautiful white crown with an excellent tan colored root. The whitest natural color you can get at Sharktooth Hill. Excellent preservation. A Middle Miocene age tooth. Incredible color!  An excellent collector's Mako tooth. Authenticity guaranteed. This is a great display piece from the Ernst Slow Bend Quarry.

ST302M            SIZE: 1-15/16"  (plus a 1-1/8" Hastalis)

Note - Adding 34 colorful Isurus planus teeth in January 2022.  -->  Link to Isurus planus teeth.

Note - Adding 12 Sharktooth Hill display pieces in Feb. 2022.    Link to STH Display Items

A very rare, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Excellent 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 or a vertical whipping 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. No repair or restoration. Authenticity guaranteed. 

I18          SIZE:  2-1/2" w/ root   (1-1/4"crown)

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

A very rare, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Fantastic enamel quality. Excellent 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 or a vertical whipping 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. No repair or restoration. Authenticity guaranteed. 

I17          SIZE:  1-5/8" w/ root   (1-1/4"crown)

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

A rare late Jurassic sauropod limb bone section from the Morrison Fm. with bite marks. This is most likely a Camarasaurus tibia end section.  There is a tooth rake and a wedge cut shown in photos #3 & 4. Photo #5 shows a circular puncture of the bone. Camarasaurus was a mid- sized Jurassic sauropod.. Great rich brown gray color. Excellent bone quality. Note - sauropods had hollow bones with air sacs to reduce their weight. Legally collected on private land in the Morrison Fm., Bone Cabin Quarry, Albany Co., Wyoming. Authenticity guaranteed.  Shipping weight is 6 lbs. This item is not eligible for free shipping. A real story bone!

BC06         SIZE:   5-1/2" length  x  6-1/2" wide  x  3-1/2" thick

Note - Adding 10 Jurassic dinosaur limb bones in April 2024.    Link to Sauropod Bones

A Top Quality Broad-tooth Mako shark tooth - upper jaw anterior tooth from Lee Creek, No. Carolina. This tooth has a rich blue & tan crown and a brown colored root. Excellent colors!  Razor sharp cutting edge. Excellent preservation - note nutrient hole on root. Near perfect tooth. A fantastic collector's tooth. Authenticity guaranteed.

LC331      Size: 1-1/2"+

Note - Adding 30 new Lee Creek Big "Mako" teeth in April 2018.     Link to Lee Creek Broad Form Mako Teeth.   

Museum Quality Caliper Display Stands These stands are 24-kt. gold plated solid brass construction. Opens tfrom 3/8" to 1-3/4".

DD44          Size: 4-1/2"

A TOP QUALITY shark vertebra from the Lee Creek mine, Aurora, No. Carolina. Exceptional condition and preservation. Incredibly defined ventral holes. This vertebara is an aseptate design and resembles a vertebra from Physogaleus. These vertebrae are rarely found and exceptional specimens are extremely difficult to obtain. These vertebrae were found in Miocene Pungo River Formation (15 million years old). Authenticity guaranteed. 

LC968              SIZE: 1-1/8" width x 1-1/8" length

Note - Adding 9 new Lee Creek teeth vertebrae in March 2023.     Link to Lee Creek Shark vertebra. 

A Top Quality Ptychodus mortoni, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Eagle Ford Fm. tooth. These  teeth have a design that includes a high cusp with radiating occlusal ridges extending across the cusp face. Authenticity guaranteed. P. mortoni is a rare species in Texas, and when teeth get this large they are extremely rare!

T391            SIZE: 1-1/16"

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

A Top Quality Ptychodus mortoni, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Eagle Ford Fm. tooth. These  teeth have a design that includes a high cusp with radiating occlusal ridges extending across the cusp face. Authenticity guaranteed. P. mortoni is a rare species in Texas, and when teeth get this large they are extremely rare!

T390            SIZE: 1-1/16"

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

An EXTRA LARGE, Top Quality Thescelosaurus neglectus toe bone from the late Cretaceous of northern North America. Thescelosaurus is a mid-sized dinosaur found in the Hell Creek formation. This bone has excellent quality with excellent color / patina. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. Excellent collector's quality Thescelosaurus toe bones. Authenticity guaranteed.

DI31       SIZE: 1-5/8"  x  1-3/4" wide

Note - Adding 23 new Thescelosarus fossils in March 2022.   Link to Thesc fossils catalog