Search results for: 'upper cretaceous line wide fm shark teeth'

A natural Hoploscaphites brevis ammonite with great preservation of the shell material. The ammonite shell exhibits excellent natural iridescence. This specimen is sits in an original Pierre Shale with a flat base for a great display. The base is a large baculite segment. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.

SD10        Size: 1-1/16"

Note - Adding 6 So. Dakota ammonites in August 2025.  -->  Link to So. Dakota Ammonites

A modern Broadnose Sevengill Cow shark tooth, Notorynchus cepedianus. Lower jaw tooth. Bright white color. Authenticity guaranteed. (only 2 teeth available for species)

MN01      SIZE: 1/2" 

Note - Adding 15 new modern shark teeth in January 2024 -> Link to Modern Shark Teeth

An EXTRA LARGE, TOP QUALITY Nanotyrannus lancensis tooth from the western US. This tooth measures 1-15/16" (straight line). The enamel is very good quality. The posterior serrations are excellent. Two cracks. No restoration. Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. Authenticity guaranteed.  An excellent collector's big Nano tooth. Note - a Riker display case is included.

DN04       SIZE: 1-15/16"

Note - Adding 18 Nanotyrannus teeth in August 2023  ->  Link to Nano Teeth

A natural Hoploscaphites nebrascensis ammonite with excellent preservation of the shell material. The ammonite shell has some natural iridescence. This ammonite species exhibits big ribs with multiple rows of tubercles (nodes). This specimen is sits in an original Pierre Shale nodule with a flat base for a great display. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.  

SD02        Size: 2-1/8"

Note - Adding 10 So. Dakota ammonites in December 2020.  -->  Link to So. Dakota Ammonites

A TOP QUALITY 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 tooth measures 5/8" (straight line). The enamel is excellent quality. No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. Authenticity guaranteed.  An excellent collector's Nano tooth. 

DN24        SIZE: 5/8"

Note - Adding 24 Nanotyrannus teeth in March 2025  ->  Link to Nano Teeth

A TOP QUALITY 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 tooth measures 1/2" (straight line). The enamel is excellent quality. No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Harding Co., So. Dakota. Authenticity guaranteed.  An excellent collector's Nano tooth. 

DN23        SIZE: 1/2"

Note - Adding 24 Nanotyrannus teeth in March 2025  ->  Link to Nano Teeth

A TOP QUALITY 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 tooth measures 11/16" (straight line). The enamel is excellent quality. No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Harding Co., So. Dakota. Authenticity guaranteed.  An excellent collector's Nano tooth. 

DN22        SIZE: 11/16"

Note - Adding 24 Nanotyrannus teeth in March 2025  ->  Link to Nano Teeth

A HUGE, Top Quality Ptychodus mammillaris, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Kamp Ranch Fm. tooth. These massive teeth have a design with strong transverse ridges across the cusp that transition to a concentric pattern at the base of the cusp. Authenticity guaranteed. Note - one margin has a natural crack which contains matrix within it and the root structure is missing. This is a rare species and a suer rare size - this specimen exceeds the maximum size recorded for Texas!

T271            SIZE: 1-13/16"  x 1-1/8"

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

A natural Hoploscaphites nebrascensis ammonite with excellent preservation of the shell material. The ammonite shell has some iridescence. This ammonite species exhibits big ribs with multiple rows of tubercles (nodes). This specimen is sits in an original Pierre Shale nodule with a flat base for a great display. The end is filled with calcite crystals! This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.  

SD07        Size: 1-5/8"

Note - Adding 6 So. Dakota ammonites in August 2025.  -->  Link to So. Dakota Ammonites

Two natural Hoploscaphites nebrascensis ammonites with excellent preservation of the shell material. The ammonites are fully exposed and their shells exhibit some natural iridescence. This ammonite species exhibits big ribs with multiple rows of tubercles (nodes). This specimen is sits in an original Pierre Shale nodule with a flat base for a great display. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.  

SD04        Size: 1-3/4"

Note - Adding 6 So. Dakota ammonites in August 2025.  -->  Link to So. Dakota Ammonites

A Top Quality, rare Triceratops horridus epijugal (jugal spike) from the late Cretaceous of northern North America. Triceratops was a large ceratopsian dinosaur found in the Hell Creek and Lance Creek formations which is know for the large frill protecting its neck. Triceratops had a spike on its cheek which is called the jugal "spike" (see photo). This jugal spike has exceptional detail preserved and great color / patina. Excellent surface blood grooves are preserved. No repair or restoration. 100% natural specimen. Legally collected on private land in Bowman, No. Dakota. Authenticity guaranteed. You rarely see these jugal spikes and this one is good one.

DC62        SIZE: 3-5/8" Wide x 1-5/8" Height

Note - Adding 8 new Triceratops bones in October 2023.       Link to Triceratops fossils catalog

A TOP QUALITY Nanotyrannus lancensis tooth from the western US. This juvenile tooth measures 9/16" (straight line). The enamel is excellent quality. The posterior serrations are excellent. No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed.  An excellent collector's Nano tooth. 

DN31        SIZE: 9/16"

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