Search results for: 'bone evolution paleo à first revêtue'

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 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., Custer Co., Montana. Note - this tooth comes with a Riker display frame. Authenticity guaranteed. An excellent partially rooted Leptoceratops tooth! 

DQ02         SIZE: 3/4"         

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

A VERY RARE, LARGE Top Quality, Leptoceratops gracilis "spitter"  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 fairly well preserved. 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 Leptoceratops spitter tooth! 

DQ09         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., 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

An ultra rare, Thalassocnus, a Swimming Sloth, manus (hand) claw from the Bahia Inglesia Formation, Copiapo, Chile. A May Fossil of the Month. This sloth lived on the west coast of So. America during the late Miocene age. This claw is a near complete with minor erosion along the upper edge and back end. Both areas have minor restoration. Fantastic color and preservation. Authenticity guaranteed. I have not seen a swimming sloth claw for sale before. This is all of the sloth material that I have from 15 years ago! A rare collector's claw. This is my one and only hand claw!

C931          Size: 2-1/2"  (1-1/8" height, 7/16" wide)

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

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., Powder River Co., Montana. Note - this tooth comes with a Riker display frame. Authenticity guaranteed. An excellent partially rooted Leptoceratops tooth! 

DD05         SIZE: 9/16"         

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

An ultra rare, Thalassocnus, a Swimming Sloth, tooth from the Bahia Inglesia Formation, Copiapo, Chile. A May Fossil of the Month. This sloth lived on the west coast of So. America during the late Miocene age. This tooth is complete with no wear. Cutting surface is perfect. Fantastic color. Excellent condition. No repair.  Authenticity guaranteed. I have not seen a swimming sloth claw for sale before. This is all of the sloth material that I have from 15 years ago! A rare collector's tooth. My last one!

C932          Size: 1-1/4"  (9/16" Cutting surface width)

Note - Adding 2 Chilean swimming sloth fossils in May 2023   Link to Sloth fossils

An ultra rare, Top Quality Polyrhyzodus cancavus tooth from the Paleozoic era in what is now Russia. Great color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth! 

Age: Upper Carboniferous (310 MYA); Kasimov Fm.

Location: Voskresensk, Russia

R122       SIZE: 1"+  wide  (11/16" height)

Adding 65 Russian Paleozoic teeth in July 2021.  Link to Russian Paleozoic teeth.

Avery rare EXTRA LARGE, Top Quality Lagarodus angustus tooth from the Paleozoic era in what is now Russia. Great color. A well preserved specimen. Complete tooth. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth!

Age: Upper Carboniferous (310 MYA); Kasimov Fm.

Location: Achkasovo, Russia

R052       SIZE: 13/16"  wide

Adding 65 Russian Paleozoic teeth in July 2021.  Link to Russian Paleozoic teeth.

An EXTRA LARGE, Top Quality Petrodus barbotanus dermal denticle from the Paleozoic era in what is now Russia. Great color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's denticle!

Age: Upper Carboniferous (310 MYA); Kasimov Fm.

Location: Achkasovo, Russia

R072       SIZE: 3/8"  wide (1/4" height)

Adding 65 Russian Paleozoic teeth in July 2021.  Link to Russian Paleozoic teeth.

An EXTRA LARGE, Top Quality Petrodus barbotanus dermal denticle from the Paleozoic era in what is now Russia. Great color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's denticle!

Age: Upper Carboniferous (310 MYA); Kasimov Fm.

Location: Achkasovo, Russia

R073       SIZE: 7/16"  wide (1/4" height)

Adding 65 Russian Paleozoic teeth in July 2021.  Link to Russian Paleozoic teeth.