Search results for: 'dure gun 1 5'

An excellent group of three of Large, Top Quality Mucrospirifer thedfordensis brachiopods from Arkona, Ontario, Canada. Brachiopods are bivalve molluscs. Both valves present  - complete specimens and matrix free. Excellent preservation. This is a middle Devonian (395 mya) brachiopod. Authenticity guaranteed. A great display group! 

Y027          SIZE: 1-5/8"   (largest)

Note - posting 23 new Brachiopods in January 2024.      Link to Brachiopods.

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.

A LARGE, QUALITY Titanosaur tooth from the Cretaceous Kem Kem deposits of Morocco.  Please note that most of the sauropod teeth are now thought to be Titanosaurid teeth (see discussion below). Some enamel loss. A small biting surface wear facet. Good detail. Great red color. Goodl condition and preservation. Enamel is heavily articulated. One crack. A fantastic BIG peglike Titanosaur tooth. No restoration. Authenticity guaranteed. 

M1295       Size: 1-15/16"  (1/2" W)

Note - Adding 6 new Titanosaur teeth in October 2022.   Link to Rebbachisaurus - Titanosaur teeth.

A Top Quality Prognathodon anceps tooth from the phosphate mining region, Khouribga, Morocco. A fully rooted - very rare! This is an all original, associated specimen.(beware of the reassembled specimens - see Details). Exceptional condition and preservation. Note - the large Moroccan Mosasaurs have been renamed to a Prognathodon genus. No repair or restoration.  Authenticity guaranteed. This is a great juvenile rooted tooth specimen. 

M1065        SIZE: 3-1/16"   (1-5/16" wide)    

Note - Adding 14 new Mosasaur teeth in October 2022. -->  Link to Mosasaur teeth.

A very rare, early Otodus obliquus anterior tooth from Kzil-Orda Region, Kazakhstan. Otodus obliquus is the ancestor to O. auriculatus (see detailed discussion below) which leads to Megalodon. The bourlette is large and complete. Exhibits no serrations. The starting species to serrated Otodus teeth. These teeth exhibit very good color, gloss, and preservation. A rare, early Eocene (Ypresian) 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 obliquus to Otodus auriculatus transition can be found in adjacent early Eocene formation units. 

K561         SIZE: 1-1/16"

Note - Adding 24 Kazakh Auriculatus or transition teeth in July 2024. -->  Link to Kazakh Auriculatus teeth.

A GEM modern Kitefin shark, Dalatias licha. A deep water shark. Lower jaw tooth. Bright white color. Perfect tooth. Authenticity guaranteed. (1 Kitefin tooth available) A very difficult tooth to find.

MK01       SIZE: 1/2"

Note - Adding 12 new modern shark species in July 2022 -> Link to modern Goblin shark teeth

A ~5" GEM JET BLACK colored Megalodon - lower jaw ANTERIOR tooth. An exceptional true black crown - not a charcoal gray color. Highest quality enamel - the surface is like glass! The large jet black bourlette is essentially complete. The large serrations are razor sharp with a good tip. The serrations are essentially complete - rare for a big Meg! The root has few hydration cracks and is complete. A GEM BLACK Meg tooth from the Miocene. A killer collector's tooth!

SC045              Size: 4-15/16" (3-15/16" W)

A rare Carcharhinus plumbeus tooth, the Sandbar shark, from Sumatra, Indonesia. These teeth were deposited in the Telisa formation - a shallow marine environment during the middle Miocene (approx. 15 million years ago.) A very unique collector's tooth. D088 is the upper jaw tooth on the right. Authenticity guaranteed.

D088 (Right)       SIZE: 3/8"

Note - 50+ new Sumatran Carcharhinus teeth (4 species) added in January 2018.       Link to Sumatran teeth.

A rare Carcharhinus macloti tooth, the Hardnose shark, from Sumatra, Indonesia. These teeth were deposited in the Telisa formation - a shallow marine environment during the middle Miocene (approx. 15 million years ago.) A very unique collector's tooth. D128 is the upper jaw tooth on the right. Authenticity guaranteed.

D128 (Right)       SIZE: 3/16"

Note - 50+ new Sumatran Carcharhinus teeth (4 species) added in January 2018.       Link to Sumatran teeth.

A very rare, LARGE, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. A unique brown colored tooth - 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. 

I07        SIZE:  3-3/8" w/ root  (1-5/8" crown) 

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

A RARE, Top Quality Dakotaraptor steini (raptor) tooth. A small or subadult adult specimen. Dakotaraptor steini is one of two recently described Hell Creek Fm. raptors. This tooth is 3/8"+. The enamel is excellent with a great dark brown. This tooth does not have the multiple prominent longitudinal "ribs" run the length of the crown. Excellent large posterior and small anterior serrations. See unique crown characteristic discussion below. No cracks. No repair. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. This is your chance to own a rare, top quality Dakotaraptor steini tooth.  Note - A gem jar will be included as photographed. 

DR16       SIZE: 3/8"+

Note - Adding 10 new Acheroraptor / Dakotaraptor teeth in August 2022      Link to Raptor (Dromaeosaur) catalog.

A RARE, Top Quality Dakotaraptor steini (raptor) tooth. A small or subadult adult specimen. Dakotaraptor steini is one of two recently described Hell Creek Fm. raptors. This tooth is 7/16". The enamel is excellent with a great dark brown. This tooth does not have the multiple prominent longitudinal "ribs" run the length of the crown. Excellent large posterior and small anterior serrations. See unique crown characteristic discussion below. No cracks. No repair. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. This is your chance to own a rare, top quality Dakotaraptor steini  tooth.  Note - A gem jar will be included as photographed. 

DR14       SIZE: 7/16"

Note - Adding 10 new Acheroraptor / Dakotaraptor teeth in August 2022      Link to Raptor (Dromaeosaur) catalog.