Search results for: 'book arm teeth'

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.

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.

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.

An ultra rare, Top Quality EXTRA LARGE Edestus heinrichi shark whorl section with 4 big crowns, from Sparta, Illinois. An August Fossil of the Month. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Excellent preservation and serrations. Note - extra long root whorl section with 4 extra large crowns - very rare. 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. No repair or restoration. Authenticity guaranteed. Four crown whorl sections are extremely rare! 

I01  BoP           SIZE: 2" teeth   (Whorl  6")

Adding 15 Edestus shark specimens in August 2020.    Link to Edestus shark.

An ultra rare, Top Quality EXTRA LARGE Edestus heinrichi shark whorl section with 3 big crowns, from Herrin, Illinois. An April Fossil of the Month. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Excellent preservation and serrations. Note - extra long root whorl section with 3 extra large crowns - very rare. 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. Three crown whorl sections are rare! 

I01 BoP2           SIZE: 1-3/4" teeth   (Whorl  7-1/4")

Adding 15 Edestus shark specimens in April 2021.    Link to Edestus shark.

A Large Dolphin anterior tooth. Gorgeous gray color and preservation. An excellent collector's tooth.

N396      SIZE: 5/8"

A well preserved, ultra rare Scyphocrinites elegans crinoid holdfast from Morocco. The Scyphocrinites crinoids were floating crinoids and their holdfast was actually an air bladder that supported multiple stems and calyx. This holdfast is bulbous with a great amount of detail. These crinoids make fantastic display pieces. An excellent rare holdfast specimen. First time that I have seen this holdfast! Very rare. Authenticity guaranteed.  Weighs 3.3 lbs - discounted international shipping charge. 

M2059          SIZE: 4" x 3-1/2" x 4"

Name: Scyphocrinites elegans        Age: Upper Silurian (420 MMYA)        Location: Djebel Issoumour, Alnif, Morocco

Note - International customers will have discounted shipping. Please inquire.

A well preserved, rare Scyphocrinites elegans crinoid holdfast from Morocco. The crinoid stem attached to these floating holdfasts. The Scyphocrinites crinoids were floating crinoids and their holdfast was actually an air bladder that supported multiple stems and calyx. This holdfast is bulbous with a fantastic detail. A peg stand is included as in the photos. These crinoid holdfasts make excellent fantastic display pieces. Authenticity guaranteed. I never see these holdfasts available!  Note - An international shipping charge supplement is required for this product. Item weighs 4.5 lbs.

M2058      SIZE: 4-1/2" x 3-3/4" x 4"  

Name: Scyphocrinites elegans        Age: Upper Silurian (420 MMYA)        Location: Djebel Issoumour, Alnif, Morocco

Note - Posting a 9 piece crinoid collection in November 2023.       Link to Crinoids

A rare, Top Quality, EXTRA LARGE Anzu wyliei hand (manus) claw from the Hell Creek Fm. of SE Montana. Another June 2018 Fossil of the Month. Anzu is referred to as the "Chicken from Hell". An exceptional manus claw. Highest quality rich brown color and patina. This specimen has incredible perservation with exceptional surfaces - no pitting, nicks or wear - superb surface articulation! There is some professional restoration which is typical for a big Anzu wyliei manus claw. The tip has a small section repaired and the proximal edge has a small triangular area repaired which starts at the center of proximal surface (see photo). A high quality, collector's claw from one of my favorite collecting sites. Note - 2014 Anzu wyleii description paper attached below. Check out our selection of top quality Anzu wyliei claws! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana.  Authenticity guaranteed. Museum Quality. One of my favorites! Note - a Riker frame will be included.

DA01 BoP     Size: 3-7/8" (always straightline) (Note - 1-7/8" height at the proximal end!)

Note - Adding four Anzu wyliei claws in June 2018.       Link to Anzu wyliei claws.

A rare, Quality Anzu wyliei toe bone (digit 1 - the large digit) from the Hell Creek Fm. of Montana. Anzu is referred to as the "Chicken from Hell". An excellent toe bone. Excellent brown color and patina. This specimen has excellent perservation. A complete specimen with minor natural crushing on one side. A quality, collector's toe bone from the Hell Creek of Montana. Note - 2014 Anzu wyliei description paper attached below. Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. Authenticity guaranteed. Anzu toe bones are hard to find.

DA16       Size: 3-1/16"  ;  Ends:  1-1/2" & 1-7/8

Note - Adding 7 Anzu wyliei bones & claws in September 2023.   Link to Anzu wyliei claws.

A rare, Top Quality juvenile Anzu wyliei metatarsal toe bone from the Hell Creek Fm. of Montana. A September Fossil of the Month. Anzu is referred to as the "Chicken from Hell". An excellent metatarsal bone. Excellent light brown color and patina. This specimen has excellent perservation. Incredible bone quality. A complete specimen. No repair or restoration. A top quality, collector's toe bone from the Hell Creek of Montana. Note - 2014 Anzu wyliei description paper attached below. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. A Museum Quality specimen. Anzu metatarsal toe bones are very hard to find. The BEST!

DA15       Size: 5-11/16"  ;  Ends:  1/2" & 11/16"

Note - Adding 7 Anzu wyliei bones & claws in September 2023.   Link to Anzu wyliei claws.

A rare, Top Quality Anzu wyliei toe (pes) claw from the Judith River Fm. of Montana. Anzu is referred to as the "Chicken from Hell". An excellent pes claw. Good light brown color and patina. This specimen has good perservation with minor erosion. There is a very small tip repair whic is common. A quality, collector's claw from the JUdith River of Montana. Note - 2014 Anzu wyliei description paper attached below. Check out our selection of quality Anzu wyleii claws! Legally collected on private land in the Judith River Fm., Hill Co., Montana. Authenticity guaranteed. Note - a Riker display frame will be included. You don't see very many Anzu claws from the Judith River formation.

DA05       Size: 1-13/16" (straightline)    

Note - Adding 7 Anzu wyliei claws & bones in September 2023.      Link to Anzu wyliei claws.