Search results for: 'crown mako wide good///'

A LARGE, Top Quality Ankylosaurus osteoderm (bony armor plate) from the late Cretaceous of northern North America. Ankylosaurus and Denversaurus, a Nodosaur, were the two Ankylosaurs present in the Hell Creek and Lance Creek Formations.  A complete body osteoderm plate from an adult Ankylosaurus. The bone is excellent quality with excellent color / patina. Well preserved vascular channels. No cracks or restoration. Legally collected on private land in the Lance Creek Fm., Niobrara Co., Wyoming. Authenticity guaranteed. A collector's quality Ankylosaurus osteoderm. I do not see large ostederms very often.

DK25         SIZE: 5"  x  3-3/4"  x 1/2"

Note - Adding 7 new Ankylosaurus - Nodosaur osteoderms in August 2025.       Link to Ankylosaur fossils catalog.

An EXTRA LARGE, Top Quality Ankylosaurus osteoderm (bony armor plate) from the late Cretaceous of northern North America. Ankylosaurus magniventris was the largest Ankylosaur which grew to 30 feet and 17000 pounds, and a body covered with this bony armor. A complete body osteoderm plate from an adult Ankylosaurus. The bone quality is excellent with excellent color and patina. This osteoderm has a high ridge on one side. There are some hydration cracks and crack fill. No restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. An excellent collector's quality Ankylosaur osteoderm. A thick and heavy osteoderm.

DK23         SIZE: 6-1/2"  x  4-3/8"  (Height = 1-3/4" on high side)

Note - Adding 7 new Ankylosaur - Nodosaur fossils in August 2025.       Link to Ankylosaur fossils catalog.

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 excellent matrix specimen that inludes the opposing tooth mold as well. 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. Note - shipping weight is 1.9 lbs. International "free shipping" will require supplemental postage.

I11        SIZE:  3" w/ root  (1-1/2" crown) ;  Matrix block is 3.5" x 3.5"

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

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. Note - this tooth has a lot of pyrite and the tip is naturally rounded (polished)  which thought to be due to 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. 

I09        SIZE:  4-1/8" w/ root  (1-7/8" crown) 

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

An EXTRA LARGE, RARE Spinosaurus aegyptiacus hand (manus) claw from the Kem Kem region of Morocco. An very good manus claw with good color and patina. Note - This claw had some breaks along the bottom of the claw and at the back end of the claw. So there is some repair and restoration to reassemble the claw.  A good quality, collector's claw. Authenticity guaranteed.  Note - a Riker frame will be included. I do not see quality Spinosaurus claws very often and this is a big one. Spinosaurus claws of this size are quite rare!  

M1250d      Size: 6-5/8"  (straightline)  ;  7-1/16" (curve) ; 1-3/4" (proximal end height)

Note - Adding 4 top quality Spinosaurus manus claws in October 2025   ->  Link to Spinosaurus fossils

An EXTRA LARGE RARE, Top Quality Acheroraptor temertyorum (raptor) tooth from Montana. Acheroraptor temertyorum is one of two recently described Hell Creek Fm. raptors, and it is a close relative of Velociraptor. A premaxillary or dentary anterior tooth. This tooth is 1/2"+ which is an extra large size. The enamel is excellent with a great brown color. Multiple prominent longitudinal "ribs" run the length of the crown. Note - The anterior carina is finely serrated. See unique crown characteristic discussion below. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Note - the 2013 Acheroraptor description paper is available upon request. Authenticity guaranteed. This is your chance to own a rare, top quality Acheroraptor temertyorum tooth.  Note - A gem jar will be included as photographed.

DR04       SIZE: 1/2"+

Note - Adding 10 new Acheroraptor teeth in February 2024      Link to Raptor (Dromaeosaur) catalog.

A LARGE RARE, Top Quality Acheroraptor temertyorum (raptor) tooth from So. Dakota. Acheroraptor temertyorum is one of two recently described Hell Creek Fm. raptors, and it is a close relative of Velociraptor. This tooth is 1/2"+ which is a large size. The enamel is excellent with a great brown color. Multiple prominent longitudinal "ribs" run the length of the crown. Excellent large posterior and small anterior serrations.  See unique crown characteristic discussion below. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Harding Co., So. Dakota. Note - the 2013 Acheroraptor description paper is available upon request. Authenticity guaranteed. This is your chance to own a rare, top quality Acheroraptor temertyorum tooth.  Note - A gem jar will be included as photographed.

DR09       SIZE: 1/2"+

Note - Adding 10 new Acheroraptor teeth in May 2025      Link to Raptor (Dromaeosaur) catalog.

An EXTRA LARGE RARE, Top Quality Acheroraptor temertyorum (raptor) tooth from Montana. Acheroraptor temertyorum is one of two recently described Hell Creek Fm. raptors, and it is a close relative of Velociraptor. This tooth is 5/8"+ which is an extra large size. The enamel is excellent with a great brown color. Multiple prominent longitudinal "ribs" run the length of the crown. Excellent large posterior and small anterior serrations.  See unique crown characteristic discussion below. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. Note - the 2013 Acheroraptor description paper is available upon request. Authenticity guaranteed. This is your chance to own a rare, top quality Acheroraptor temertyorum tooth.  Note - A gem jar will be included as photographed.  Maximum size tooth!

DR06       SIZE: 5/8"+

Note - Adding 10 new Acheroraptor teeth in May 2025      Link to Raptor (Dromaeosaur) catalog.

A LARGE RARE, Top Quality Acheroraptor temertyorum (raptor) tooth from Montana. Acheroraptor temertyorum is one of two recently described Hell Creek Fm. raptors, and it is a close relative of Velociraptor. A premaxillary or dentary front tooth. This tooth is 1/2" which is an extra large size. The enamel is excellent with a great brown color. Multiple prominent longitudinal "ribs" run the length of the crown. Note - The anterior carina is nicely serrated. See unique crown characteristic discussion below. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Note - the 2013 Acheroraptor description paper is available upon request. Authenticity guaranteed. This is your chance to own a rare, top quality Acheroraptor temertyorum tooth.  Note - A gem jar will be included as photographed.

DR05       SIZE: 1/2"

Note - Adding 10 new Acheroraptor teeth in May 2025      Link to Raptor (Dromaeosaur) catalog.

A Top Quality Cretoxyrhina mantelli, an extinct Mackerel (Odontid) shark tooth from Travis Co., Texas. An excellent example of this Late Cretaceous South Bosque Shale (Eagle Ford) Fm. shark. An anterior tooth. Authenticity guaranteed. Near perfect tooth. (There is a crack in the crown just above the bourlette)

T067           SIZE: 7/8"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

A GEM dark gray Summerville Carcharocles angustidens, a C-megalodon tooth predecessor - "spike-like" Anterior tooth. It has an incredible dark gray colored crown with an exceptional black bourlette. A gorgeous Summerville Angustidens. An exceptional collector's tooth. Excellent eye appeal! NO repair! The BEST of the BEST!

SC512             Size: 2-1/4"

A rare, Top Quality Megalodon - upper jaw anterior tooth from West Java, Indonesia - new site. This Megalodon has an excellent orange & tan colored tooth with a nice creamy white colored bourlette. Highest quality enamel. Fantastic color!  The bourlette islarge and 90% complete. The serrations are razor sharp and complete with an excellent tip serration. Exceptional serrations. The root is very good with some erosion. Miocene Age. No repair or restoration. Authenticity Guaranteed. A special color collector's Meg tooth. 

IN36        Size: 4-3/16"    

Note - Adding 15 Top Quality Indonesian Megalodon Teeth in June 2023. -> Link To TQ Indonesian Megs