Search results for: 'bone evolution paleozo à frill revêtue'

A LARGE, Top Quality Thescelosaurus neglectus toe bone from the late Cretaceous of northern North America. Thescelosaurus is a mid-sized dinosaur found in the Hell Creek formation. This bone has excellent quality with excellent color / patina. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Excellent collector's quality Thescelosaurus toe bones. Authenticity guaranteed.

DI32       SIZE: 1-1/2"  x  1-5/8" wide

Note - Adding 23 new Thescelosarus fossils in March 2022.   Link to Thesc fossils catalog

A rare, High Quality Petalodus alleghaniensis, an extinct Petalodont shark tooth, from the Paleozoic era in Kansas. An excellent primary cusp. Great color and articulation. A well preserved specimen. No restoration. Authenticity guaranteed. An excellent collector's tooth! 

Age: Upper Pennsylvanian (300 MYA); Raytown Limestone Fm.

Location: Lenexa, Johnson Co., Kansas

Z029       SIZE: 1-1/8" wide  x 1-1/8"

Adding 30 US Paleozoic teeth in July 2025  -->  Link to US Paleozoic teeth

A rare, Top Quality Symmorium sp., an extinct Cladodont shark tooth, from the Paleozoic era in Indiana. An extraordinary primary cusp with two side cusps. Fantastic color and articulation. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth. 

Age: Middle Mississippian (347 MYA); Harrodsburg Limestone Fm.

Location: Washington Co., Indiana

Z051        SIZE: 1/4"

Adding 30 US Paleozoic teeth in July 2025  -->  Link to US Paleozoic teeth

Orodus sp.; an Extinct Hybodont shark

Z098           SIZE: 9/16"

Orodus sp.; an Extinct Hybodont shark; complete specimen. An extraordinary collector's tooth!

Z099            SIZE: 5/16"

 Sandolodus sp.; an  Extinct Bradydont shark

An EXTRA LARGE crusher tooth. Exceptional preservation. Complete tooth. An excellent collector's tooth. Matrix free - rare! An extraordinary collector's tooth!  New Kansas location.

Age: Pennsylvanian (300 mya) ; Raytown Limestone Fm.

Location: Lenexa, Johnson Co., Kansas

Z124            SIZE: 1"

 Sandolodus sp.; an  Extinct Bradydont shark

An EXTRA LARGE crusher tooth. Exceptional preservation. Note the dimpled surface. An excellent collector's tooth. Matrix free - rare! An exceptional collector's piece from an old collection!

Age: Pennsylvanian (300 mya) ; Herta Limestone Fm.

Location: Crescent, Pottawattamie Co., Iowa

Z142          SIZE: 1"

Symmorium sp.; an  Extinct Symmorid shark

 An EXTRA LARGE collector's tooth. Nicely articulated. Matrix free - rare! Tooth glued. An excellent collector's tooth!  New Kansas location.   Reverse Photo.

Age: Pennsylvanian (300 mya) ; Raytown Limestone Fm.

Location: Lenexa, Johnson Co., Kansas

Z104               SIZE: 1-11/16" 1-1/4" W

Symmorium sp.; an  Extinct Symmorid shark

 An EXTRA LARGE collector's tooth. Nicely articulated. Matrix free - rare! Tooth glued. An excellent collector's tooth!  New Kansas location.   Reverse Photo.

Age: Pennsylvanian (300 mya) ; Raytown Limestone Fm.

Location: Lenexa, Johnson Co., Kansas

Z105             SIZE: 7/8" H x   15/16" W

Symmorium sp.; an  Extinct Symmorid shark

 An EXTRA LARGE collector's tooth. Nicely articulated. An extraordinary collector's tooth!

Z084                SIZE: 1" H x   1-1/4" W

Symmorium sp.; an  Extinct Symmorid shark

 An EXTRA LARGE collector's tooth. Nicely articulated. An extraordinary collector's tooth!

Z095           SIZE: 3/4" H x   1" W

An excellent unclassified Symmorium species. Multiple cusped crown with a large, flat based root. A well preserved extra large specimen.  An excellent collector's tooth!

Age: Lower Carboniferous (320 MYA); Serpuchov Fm.

Location: Serpuchov, Russia

R046      SIZE: 1/8"