Search results for: 'riker tooth s'

An ultra rare, Top Quality, Allosaurus fragilis fully rooted tooth from the Morrison Fm. A February Fossil of the Month. This Allosaurus tooth measures 4". The enamel is highest quality. Great rich black color. Excellent overall condition and serrations. Minor crack fill on root. No repair or restoration. Allosaurus was the apex predator during the late Jurassic with large teeth designed to slash predators. Legally collected on private land in the Morrison Fm., Moffat Co., Colorado. Authenticity guaranteed. Note - a Riker frame display frame is included. My BEST rooted Allosaurus tooth. You don't see a top quality rooted tooth very often! A rare collector's rooted teeth.

DL02         SIZE:  4"   (1-1/2" crown)  (7/8" wide)

Note - Adding 4 Allosaurus teeth / bones in February 2025.     Link to Allosaurus teeth

An ultra rare Top Quality, Allosaurus fragilis  rooted premaxillary tooth. This Allosaurus crown measures 15/16". The complete tooth measures 2-7/16" and 1/2" wide and is fully inflated. The enamel is highest quality with a natural wear facet at the tip. Great rich dark brown color. Excellent serrations. Great overall condition and serrations. Note - 1/4" of the root base was repaired. Allosaurus was the apex predator during the late Jurassic with large teeth designed to slash predators. Legally collected on private land in the Morrison Fm., Grand Co., Utah. Authenticity guaranteed. You do not see rooted teeth very often. Note - A Riker frame will be included.

DL03         SIZE: 2-7/16"   

Note - Adding 8 Allosaurus fossils in January 2023    Link to Allosaurus teeth

A very rare, Top Quality Ceratopsian toe from the late Cretaceous of northern North America. An April Fossil of the Month.  There were three ceratopsian dinosaur species found in the Horseshoe Canyon formation. This is an excellent four piece non-associated juvenile ceratopsian toe. The bones have great preservation and fantastic color / patina. Complete specimens with minor crack fill. No restoration. Legally collected on private land in Alberta, Canada. Authenticity guaranteed. Note - tooth comes with a Riker display frame. Disposition number 000028-0000029.

DC61c         SIZE: 6-1/8" Length ;  Ungual size: 2-1/4" x 2-1/4" wide

Note - Adding 17 Canadian bones & teeth in April 2025.    Link to Canadian Dinosaur fossils catalog

A VERY RARE, Top Quality, rooted Leptoceratops gracilis tooth from the late Cretaceous of western North America. Leptoceratops is a smaller "ceratopsian" dinosaur found in the Hell Creek and Lance formations. There small size and small horns made them relatively easy prey and their population size was quite small compared to other herbivores. The enamel is high quality with nice color and patina. The chewing surface is well preserved with a wear facet. Leptoceratops commonly have wear facets on their teeth.  No cracks. No restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Note - this tooth comes with a Riker display frame. Authenticity guaranteed. An excellent rooted Leptoceratops tooth! 

DQ08         SIZE: 1/2"         

Note - Adding 10 rare Leptoceratops teeth in May 2023.       Link to Ceratopian fossils catalog

A LARGE, VERY RARE, Top Quality, partially rooted Leptoceratops gracilis tooth from the late Cretaceous of western North America. Leptoceratops is a smaller "ceratopsian" dinosaur found in the Hell Creek and Lance formations. There small size and small horns made them relatively easy prey and their population size was quite small compared to other herbivores. The enamel is high quality with nice color and patina. The chewing surface is well preserved with a wear facet. Leptoceratops commonly have wear facets on their teeth.  No cracks. No restoration. Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. Note - this tooth comes with a Riker display frame. Authenticity guaranteed. An excellent partially rooted Leptoceratops tooth! 

DD07         SIZE: 3/4"         

Note - Adding 10 rare Leptoceratops teeth in May 2023.       Link to Ceratopian fossils catalog

A LARGE, VERY RARE, Top Quality, partially rooted Leptoceratops gracilis tooth from the late Cretaceous of western North America. Leptoceratops is a smaller "ceratopsian" dinosaur found in the Hell Creek and Lance formations. There small size and small horns made them relatively easy prey and their population size was quite small compared to other herbivores. The enamel is high quality with nice color and patina. The chewing surface is well preserved with no wear facet. Leptoceratops commonly have wear facets on their teeth.  No cracks. No restoration. Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. Note - this tooth comes with a Riker display frame. Authenticity guaranteed. An excellent partially rooted Leptoceratops tooth! 

DD06         SIZE: 5/8"         

Note - Adding 10 rare Leptoceratops teeth in May 2023.       Link to Ceratopian fossils catalog

A LARGE, VERY RARE, Top Quality, partially rooted Leptoceratops gracilis tooth from the late Cretaceous of western North America. Leptoceratops is a smaller "ceratopsian" dinosaur found in the Hell Creek and Lance formations. There small size and small horns made them relatively easy prey and their population size was quite small compared to other herbivores. The enamel is high quality with nice color and patina. The chewing surface is well preserved with no wear facet. Leptoceratops commonly have wear facets on their teeth.  No cracks. No restoration. Legally collected on private land in the Hell Creek Fm., Custer Co., Montana. Note - this tooth comes with a Riker display frame. Authenticity guaranteed. An excellent partially rooted Leptoceratops tooth! 

DQ04         SIZE: 3/4"         

Note - Adding 10 rare Leptoceratops teeth in May 2023.       Link to Ceratopian fossils catalog

A LARGE, VERY RARE, Top Quality, rooted Leptoceratops gracilis tooth from the late Cretaceous of western North America. Leptoceratops is a smaller "ceratopsian" dinosaur found in the Hell Creek and Lance formations. There small size and small horns made them relatively easy prey and their population size was quite small compared to other herbivores. The enamel is high quality with nice color and patina. The chewing surface is well preserved with a very small wear facet. Leptoceratops commonly have wear facets on their teeth.  No cracks. No restoration. Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. Note - this tooth comes with a Riker display frame. Authenticity guaranteed. An excellent rooted Leptoceratops tooth! 

DQ03         SIZE: 7/8"         

Note - Adding 10 rare Leptoceratops teeth in May 2023.       Link to Ceratopian fossils catalog

A VERY RARE Top Quality, rooted Leptoceratops gracilis tooth from the late Cretaceous of western North America. Leptoceratops is a smaller "ceratopsian" dinosaur found in the Hell Creek and Lance formations. There small size and small horns made them relatively easy prey and their population size was quite small compared to other herbivores. The enamel is high quality with nice color and patina. The chewing surface is very well preserved. This tooth has little wear overall with one wear facet on the reverse side.. Leptoceratops commonly have wear facets on their teeth.  No cracks. No restoration. Legally collected on private land in the Lance Creek Fm., Niobrara Co., Wyoming. Note - this tooth comes with a Riker display frame. Authenticity guaranteed. An excellent rooted Leptoceratops tooth! 

DQ10         SIZE: 7/16"         

Note - Adding 10 rare Leptoceratops teeth in May 2023.       Link to Ceratopian fossils catalog

An ultra rare Top Quality Stegoceras validum dome (frontoparietal skull bone) from the late Cretaceous of northern North America. An April Fossil of the Month. Stegoceras is a smaller sized pachycephalosaurid dinosaur, and like Pachycephalosaurus, it is a dinosaur which is famous for its large domed head surrounded by spikes. This is excellent quality juvenile dome with good color / patina. No cracks or restoration. There is a small sheer on the left side that occured prior to fossilization since it has the natural patina. Otherwise a complete dome. An ultra rare Stegoceras dome!  Legally collected on private land in the Judith River Fm., Hill Co., Montana. An excellent collector's quality Stegoceras dome. Comes with a Riker display case. Authenticity guaranteed. You don't see Stegoceras domes very often. This is a very special, prefect little dome!  (Photo series = top, bottom, right side, left side, and rear).

DP50       SIZE: 2-5/8" x 2"   (1-1/2" thick)  

Note - Adding 13 new Pachy spikes, claws and teeth in April 2023.   Link to Pachy fossils catalog

A rare well preserved, Cave Hyena jaw section with three teeth (Crocuta crocuta spelaea) from the Yakutsk Region, Siberia. The Cave Hyena is also known as the Ice Age Spotted Hyena. These extra large hyenas lived in the mountain caves from central Europe to Russia. Excellent teeth with good color. No repair or restoration. Authenticity guaranteed. You can own a rare and wonderful story piece from the Ice Age!  

Name: Crocuta crocuta spelaea     Age: Late Pleistocene      Location: Yakutsk Region, Siberia

R530             SIZE: 3-1/2" Length  ;  2-1/8"  Wide

Note: Adding 6 new Ice Age fossils in January 2023.   Link -> Cave Hyena Fossils 

A rare well preserved, Cave Hyena jaw section with three teeth (Crocuta crocuta spelaea) from the Yakutsk Region, Siberia. The Cave Hyena is also known as the Ice Age Spotted Hyena. These extra large hyenas lived in the mountain caves from central Europe to Russia. Excellent teeth with good color. No repair or restoration. Authenticity guaranteed. You can own a rare and wonderful story piece from the Ice Age!  

Name: Crocuta crocuta spelaea     Age: Late Pleistocene      Location: Yakutsk Region, Siberia

R529             SIZE: 3-3/4" Length  ;  2-3/8"  Wide

Note: Adding 6 new Ice Age fossils in January 2023.   Link -> Cave Hyena Fossils