Search results for: 'april good hopei 4'

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 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

An EXTRA LARGE, HIGH Quality Carcharodon hastalis, the Broad-tooth Mako shark tooth from So.Carolina. Previously referred to as Isurus hastalis, but renamed to Carcharodon hastalis as a Great White shark ancestor.  Good quality enamel. A GRAYU colored crown. Good color!  Clean cutting edges. An excellent root – extra wide. Excellent symmetry. No repair or restoration. A collector's BIG Mako tooth! Authenticity guaranteed.

SC303        SIZE: 3-1/8"   (2" wide)

Adding 18 SC Carcharodon hastalis teeth in October 2024.   ->  Link to SC Carcharodon hastalis teeth

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 and patina. Well preserved vascular channels. Typical hydrations cracks only. No restoration. Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. Authenticity guaranteed. A fantastic collector's quality Ankylosaurus osteoderm.  I do not see large top quality ostederms very often.

DK24         SIZE: 4-1/8"  x  3-1/4" 

Note - Adding 10 new Ankylosaur fossils in August 2021.       Link to Ankylosaur fossils catalog.

A Top Quality Ankylosaur 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 Ankylosaur. The bone is exceptional quality with excellent color and patina. No hydrations cracks. No restoration. Legally collected on private land in the Hell Creek Fm., Harding Co., So. Dakota. Authenticity guaranteed. A fantastic collector's quality Ankylosaur osteoderm.  I do not see top quality ostederms very often.

DK29         SIZE: 3-1/2"  x  2-1/4"  Height of keel = 3/4"

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

A GEM Allodesmus kernensis molar tooth. Complete cheek tooth - fully rooted. Excellent preservation and excellent color. An excellent Allodesmus specimen. The BEST!

ST1017      SIZE: 1-3/4"

An Extra Large, GEM Allodesmus kernensis molar tooth. Complete tooth - fully rooted. Excellent preservation and excellent color. Museum Quality Allodesmus specimen!

ST1006 BoP     SIZE: 2-1/4"

A rare, LARGE top quality Carcharoides totuserratus from Chubut Province, Argentina. This is the rare serrated Carcharoides tooth from the early Miocene. A Lamnid shark. An upper jaw tooth. The crown is very finely serrated. Killer serrations! Exceptional color & preservation. Authenticity guaranteed. A rare collectors tooth.

A003           Size: 3/4"

Note - Adding 11 Carcharoides totuserratus teeth in June 2023.  Link to Carcharoides totuserratus teeth. 

A Top Quality Isurolamna inflata tooth from Tushbair, Kazakhstan.  Lateral position. Excellent color and condition. An incredible Eocene (Bartonian) age tooth from the Shorym Formation. No repair or restoration. Authenticity guaranteed. One of the finest localities for Eocene age shark teeth! You will enjoy the quality of the Kazakh teeth. 

K1113      SIZE: 3/4"

Note - Posting 20 Isurolamna teeth in August 2024.   Link to Kazakh Isurolamna teeth.

A Top Quality Isurolamna inflata tooth from Tushbair, Kazakhstan.  Lateral position. Excellent color and condition. An incredible Eocene (Bartonian) age tooth from the Shorym Formation. No repair or restoration. Authenticity guaranteed. One of the finest localities for Eocene age shark teeth! You will enjoy the quality of the Kazakh teeth. 

K1110      SIZE: 3/4"

Note - Posting 20 Isurolamna teeth in August 2024.   Link to Kazakh Isurolamna teeth.

A Top Quality Isurolamna inflata tooth from Tushbair, Kazakhstan.  Anterior position. Excellent color and condition. An incredible Eocene (Bartonian) age tooth from the Shorym Formation. No repair or restoration. Authenticity guaranteed. One of the finest localities for Eocene age shark teeth! You will enjoy the quality of the Kazakh teeth. 

K1107       SIZE: 3/4"+

Note - Posting 20 Isurolamna teeth in August 2024.   Link to Kazakh Isurolamna teeth.

A Top Quality Cretoxyrhina mantelli tooth from Gove Co., Kansas. This specimen is on its original Niobrara Chalk Fm. matrix. An excellent example of this Cretaceous shark. Authenticity guaranteed. 

KS015            SIZE: 9/16"

Note - Adding 15  new  Cretoxyrhina mantelli teeth in April 2020.   Link to Kansas Cretoxyrhina teeth