Search results for: 'altu 30 years line'

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.

A rare Chubutensis tooth from Peru - a lower jaw posterior tooth. A tan colored crown with no peel. High quality enamel. Sharp serrations and side cusps. The root is tan color and complete with a break.  An excellent, Peruvian Chubutensis tooth! Authenticity guaranteed.

P036              SIZE: 15/16"

Note - Adding 2 new Peruvian Chubutensis teeth in July 2021.         Link to Peruvian Chubutensis teeth

A rare, TOP QUALITY Nanotyrannus lancensis toe (pes) claw from the western US. A November Fossil of the Month. This claw measures 2-1/4" (straight line). The enamel is excellent quality. The proximal end is complete. No cracks. There is a small tip repair (1/4"). No restoration. Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. Authenticity guaranteed.  An excellent collector's Nano pes claw. Note - a Riker display case is included.

DN35       SIZE: 2-1/4" ; Proximal end: 7/8" height x 5/8" wide

Note - Adding 19 Nanotyrannus teeth in November 2025  ->  Link to Nano Teeth

An EXTRA LARGE, Top Quality Cretoxyrhina mantelli tooth, the Ginsu shark, from Gove Co., Kansas. An excellent example of this Cretaceous shark. Authenticity guaranteed. Near Perfect tooth.

KS004            SIZE: 1-11/16"

Note - Adding 10 new Cretoxyrhina mantelli teeth in June 2023.    Link to Kansas Cretoxyrhina teeth

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.

A Top Quality Tyrannosaurus rex Premaxillary (front) tooth from a big T. Rex. An October 2020 Fossil of the Month. This Rex crown measures 2-1/4" (straight line) and 1" thick. The enamel is the highest quality with no root etchings. Great dark chocolate brown color. Excellent serrations serrations. The tip is excellent with a small natural wear facet. No cracks. No breaks. A 100% natural tooth! A fantastic Premax Rex tooth!  T-Rex was the apex during the late Cretaceous with massive teeth capable of crushing its prey. See the detailed description to determine how to tell a real T-Rex tooth! Legally collected on privately deeded land in the Hell Creek Fm., Carter River Co., Montana. Authenticity guaranteed.  Note - a Riker frame is included. This is a top quality collector's tooth. Museum quality.

DT02 BoP3         SIZE: 2-1/4"   (1" W x 3/4" H)

Note - Adding 3 T. rex teeth in October 2020.  Link to T. rex teeth --> T. rex teeth

A High Quality Ultra Rare Alopias palatasi shark tooth, the extinct serrated Giant Thresher shark from the Meherrin River copper red site in No. Carolina. An August 2020 Fossil of the Month offering. An excellent serrated tooth. Very good preservation and condition. This tooth is middle Miocene age, Hertford Co., NC. No repair or restoration. Authenticity guaranteed. An ultra rare collectors' tooth. Try finding one of these teeth!  I have seen less than six in 30 years.

NC501          SIZE: 1-5/16"

Posting six Giant Thresher shark teeth in August 2020.   Link to Thresher sharks.

A LARGE, TOP QUALITY serrated Nanotyrannus lancensis premaxillary tooth from the western US. The premaxillary teeth were the front teeth, have a "D" shaped base, and were not large. Most Nano premaxillary teeth are non-serrate. This Nano has small serrations on one side - rare.  This premaxillary (front) tooth measures 1" (straight line).  The enamel is excellent quality. Note -This tooth also has a wide base for a Nano premax tooth. No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. Authenticity guaranteed.  An excellent large collector's Nano premaxillary tooth.  Note - a gem case display is included.

DN11        SIZE: 1"  (Base: 1/2" W)

Note - Adding 16 Nanotyrannus teeth in June 2021  ->  Link to Nano Teeth

An EXTRA LARGE Knightia fish from the 18 Inch layer, Green River Fm., Lincoln Co. Wyoming. The Knightia eocaena is a Herring-like fish from the Eocene age (50 MYA).  Excellent preservation and preparation. No repair or restoration. All natural. Authenticity guaranteed. An excellent display piece!  Note - This item weighs 2.2 lbs. An international shipping surcharge may be applied to "Free Shipping". Please inquire for cost.

X456        SIZE: 7-1/4"       

Note - Adding 17 Green River Fm. Fossil fish in November 2025 --> Link to Fossil Fish 

A Very Rare, Top Quality (Gem) Protoheptranchias lowei symphyseal tooth from Hornby Island, British Columbia, Canada. An August Fossil of the Month. This is a new genius from the Late Cretaceous deep water Northumberland Formation deposit. A unique species of Hexanchiforme shark. The crown is complete with 5 cusplets 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. Perfect tooth. The symphyseal is always a rare position tooth to find and from a rare locality!

CD72              SIZE: 3/16"  Wide 

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

A Very Rare, LARGE Top Quality Rolfodon ludvigseni tooth from Hornby Island, British Columbia, Canada.  This is a new genius of Frill shark from the Late Cretaceous deep water Northumberland Formation deposit. A unique species of Chlamydoselachiform shark, the Frill shark. These teeth exhibit classic Frill shark design with a central cusp flanked by two lateral cusps. A matrix tooth. The crown is complete and the root is complete. 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. A fantastic Frill shark specimen!

CD93              SIZE: 11/16"  Wide     

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

A LARGE, Top Quality Diplomystus  fish from the 18 Inch layer, Green River Fm., Lincoln Co. Wyoming. The Diplomystus dentatus is a Herring fish from the Eocene age (50 MYA) in the ancient Lake Gosiute deposit. These fossil fish are exceptionally preserved fossils. Excellent preservation and preparation. No repair or restoration. All natural.  Authenticity guaranteed. A fantastic display piece!  

X465        SIZE: 6-1/4"      

Note - Adding 17 Green River Fm. Fossil fish in November 2025 --> Link to Fossil Fish