Search results for: 'shark enamel enamel intelligence form disaster response it star'

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. 

I20          SIZE:  1" crown

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

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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. 

I19          SIZE:  1-3/16" crown

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

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The December week #2 Fossil of the Month is a GEM, EXTRA LARGE copper Isurus hastalis tooth. Rare copper red color with exceptional gloss. The root shows very nice detail. Absolutely great preservation and condition - extra sharp edges and tip - very clean. The "broad form" of the I. hastalis. Exceptional color. One of the finest BIG Mako teeth from the copper red site. An exceptional collector's tooth! BEST of the BEST. NC301 SIZE: 2-15/16" Learn More

An Extra Large, Top Quality Vermicularia recta cluster from Sarasota, Florida. Vermicularia recta is a gastropod that grows in colonies forming clusters. Sometimes referred as "tube snails". Excellent preservatiion and detail. Pliocene age gastropods from the Okeechobeee Fm. (4 mya). Authenticity guaranteed. A special display piece!  

SH17       Cluster Size: 9-1/4" Length x 5" Wide

Name: Vermicularia recta  gastropod    Age: Pliocene  (4 MMYA)   Location: Sarasota, Florida

Note - Posting 6 new "Other" fossils in January 2024.   ->    Link to Shells

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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. 

I23          SIZE:  1-7/8"  w/ root  (7/8" crown)

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

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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.

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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.

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An Ultra Rare, TOP QUALITY Parotodus benedeni, the False Mako, tooth from Pyramid Hill, Kern County, California. This tooth has a nice tan colored enamel and a very massive root. The crown enamel has good luster and sharp edges. High quality enamel. Note - the right root end was professionally repaired. It is difficult to see any repair. Note - This is an early Miocene (22 MYA) tooth from the Jewitt Sand Formation, An extremely difficult tooth to locate! Authenticity guaranteed. One of the rarest P. benedeni teeth. 

ST401              SIZE: 2-3/8"

Posting three Sharktooth Hill Parotodus benedeni teeth in March 2021.   Link to Sharktooth Hill P. benedeni teeth

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An ultra rare, Top Quality Edestus heinrichi associted pair of whorls, from Herrin, Illinois. A July Fossil of the Month. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. An ultra rare assoiiated pair of tooth whorls. Note - the crown tips are naturally rounded (polished)  which thought to be due to wear from the vertical whipping motion used to slice prey. 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. This is the first associated whorl pait that I have seen.

I02        SIZE:  5" & 4-3/4" w/ root  (1-1/4"+ crowns) 

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

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A Very Rare, High Quality Hexanchus microdon symphyseal tooth from Hornby Island, British Columbia, Canada. An August Fossil of the Month. This is a species from the Late Cretaceous deep water Northumberland Formation deposit. A species of Hexanchiforme shark. The crown is complete (5+ cusps!) and the root is complete. High quality enamel. No repair. A very difficult tooth to locate and an excellent collector's tooth. Authenticity guaranteed. This incredible specimen is from a 20 year old collection. The symphyseal is always a rare position tooth to find and from a rare locality. A complete symphyseal tooth!

CD57              SIZE: 3/16" Wide

Note - Adding 64 Hornby Island deep water shark teeth.   ->   Link to Hornby Island shark teeth.

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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. An incredible brown colored specimen - very unusual. 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. 

I10        SIZE:  3-1/2" w/ root  (1-5/8" crown) 

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

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A Very Rare, EXTRA LARGE Top Quality Dykeius garethi tooth central cusp from Hornby Island, British Columbia, Canada. An August Fossil of the Month. This is a new genius of Frill shark from the Late Cretaceous deep water Northumberland Formation deposit. Another unique species of Chlamydoselachiform shark, the Frill shark. This is the largest Frill shark in the deposit with teeth over 1" tall (28.5 mm). These teeth exhibit classic Frill shark design with a central cusp flanked by two lateral cusps. Dykeius teeth are taller than wide. The crown is complete with the tip reattached. Highest quality enamel. No repair. A very difficult tooth to locate and an excellent collector's tooth. Authenticity guaranteed. This incredible specimen is from a 20 year old collection. An excellent Frill shark specimen!

CD97              SIZE: 7/8"  Height

Note - Adding 64 Hornby Island deep water shark teeth.   ->   Link to all Hornby Island shark teeth.

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