Search results for: 'line bartkowski novu sloth'

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

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 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, TOP QUALITY Nanotyrannus lancensis tooth from the western US. An October Fossil of the Month. This tooth measures 2-1/4" (straight line). The enamel is excellent quality. The posterior serrations are exceptional and anterior serrations are excellent. A wide tooth with an extra large rectangular base with a typical Nano "pinched rectangle" cross-section. Possibly two cracks stabilized. No repair or restoration. Legally collected on private land in the Lance Creek Fm., Niobrara Co., Wyoming. Authenticity guaranteed.  An excellent collector's BIG Nano tooth.  Note - a 3" x 4" display frame is included. You don't see 2"+ Nano teeth very often!

DN01 BoP3        SIZE: 2-1/4"   (Base: 13/16" x 1/2")

Note - Adding 18 Nanotyrannus teeth in October 2021  ->  Link to Nano Teeth

A Top Quality Tyrannosaurus rex tooth from a small adult Rex. This Rex crown measures 2" (straight line) and is nicely exposed in its original Hell Creek Fm. matrix. The enamel is highest quality. Great rich dark chocolate brown color. Good anterior serrations (mostly covered) and exceptional serrations on the posterior side. There is a very small wear facet on the tip which is typical for a adult tooth from opposing teeth wear. Two cracks have been stalibized. No repair or restoration. A 100% natural tooth! Fantastic overall condition with incredible serrations for a large Rex tooth. A fantastic collector's 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., Garfield Co., Montana. Authenticity guaranteed. A fantastic display piece! 

DT04 BoP2         SIZE: 2"   (7/8" W)

Note - Adding 2 T. rex teeth in February 2020.  Link to T. rex teeth --> T. rex teeth

An ultra rare Big, Top Quality Tyrannosaurus rex tooth from a large adult Rex. A July 2020 Fossil of the Month. This stocky Rex crown measures 3-5/8" (straight line) and is thick for its size (1-1/4"). The enamel is highest quality. Great rich dark chocolate brown and black color. Excellent serrations on the anterior and posterior serrations. Note - There is no wear facet at the tip and this tooth is serrated to the tip (a recently erupted BIG tooth - rare). One partial hydration crack which was stabilized. No breaks. No repair or restoration. A 100% natural tooth! Fantastic overall condition with incredible serrations for a large Rex tooth. A fantastic collector's 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., Garfield River Co., Montana. Authenticity guaranteed.  Note - a Riker frame is included. This is the best BIG tooth that I have offered. They do not get better than this one. The ultimate high end BIG Rex collector's tooth. Best of the BEST.

DT02 BoP         SIZE: 3-5/8"   (1-1/4" W x 7/8" H)

Note - Adding 2 T. rex teeth in July 2020. Link to T. rex teeth --> T. rex teeth

A HUGE, High Quality Tyrannosaurus rex tooth from a very large adult Rex. A June 2020 Fossil of the Month. This massive Rex crown measures 4-9/16" (straight up) or 4-7/8" (straight line) or 5"+ (on curve) and has a big root (2" Wide). The enamel is good quality with some root etchings and natural cracks. Good brown color. The serrations are worn, but visible. The tip is good. Cracks are stabilized with some crack fill. No breaks - possibly one. A natural tooth from a BIG Rex! Note - most teeth of this size that you see are heavy restored and sometimes two teeth are put together! This tooth has original enamel from tip to base. One giant crown. 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., Powder River Co., Montana. Authenticity guaranteed.  Note - a Riker frame is included. You rarely see teeth over 3". This tooth is all about the size. You have to hold it in your hand to appreciate a tooth of this size. This is massive tooth from the "King of the Tyrants"!

DT01  BoP        SIZE: 4-7/8"   (2" W x 1-1/8" H)

Link to T. rex teeth --> T. rex teeth

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 ultra rare, Top Quality Tyrannosaurus rex tooth - a large Rex tooth with a partial root (not a shed tooth). An August Fossil of the Month. This tooth measures 2-3/4".  The enamel has exceptional color and patina. Excellent anterior and posterior serrations. The serrations are large and wrap around the tip. This tooth was recently erupted and had no tip wear. No hydration cracks or breaks. Note - the root section is 1-1/4"+ and with a wall that is nearly 1/4" thick. Not likely a shed tooth breaking that deep below the gum line. 100% natural tooth. A top quality 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 private land in the Hell Creek Fm., Carter Co., Montana. Authenticity guaranteed. Rooted Rex teeth are very rare and this is an excellent specimen.

DT04 BoP3       SIZE: 2-3/4"   (Base : 1" x 3/4")  (Tooth approx. 1.5"  and root 1.25")

Note - Adding 6 T. rex teeth in August 2021. Link to T. rex teeth --> T. rex teeth

A Top Quality Araucarioxylon arizonicum, petrified wood bookends from Williams, Arizona. This petrified wood is from the Chinle Fm. and is Triassic age (210 MYA). A natural fossil wood section relaced by silica with rainbow colors. These beautiful bookends are 3" thick and felt lined lined inner face and bottom. They are also quite heavy at 10lbs+ each. They are built to be highly attractive, yet useable bookends. This piece exhibits exceptional preservation and color. Authenticity guaranteed. An exceptional old collection display piece!   Note - This items weighs 22 lbs and will require a shipping supplement to free shipping offers. 

PW06      SIZE:   6" to 3-1/2"  x  7" high  x  3" thick

Note - Adding 23 petrified wood specimens in November 2023 --> Link to petrified wood

A gorgeous Quenstedticeras lamberti ammonite from the Saratov region of Russia. Incredible pyrite replaced ammonite with a crystal lined interior. Excellent pyrite crystals!  Middle Jurassic age. Authenticity guaranteed. Note - supply of these pyrite ammonites stopped in 2011. This is the last of my inventory.

XR203      Size: 2"

Adding 23 pyritized Ammonites in November 2021.    Link to Pyritized ammonites.

A gorgeous Quenstedticeras lamberti ammonite from the Saratov region of Russia. Incredible pyrite replaced ammonite with a crystal lined interior. Excellent pyrite crystals!  Middle Jurassic age. Authenticity guaranteed. Note - supply of these pyrite ammonites stopped in 2011. This is the last of my inventory.

XR206      Size: 1-3/4"

Adding 23 pyritized Ammonites in November 2021.    Link to Pyritized ammonites.