Search results for: 'river oak guid club marine bear'

A rare Megalodon tooth from Sumatra, Indonesia. This Meg is serrated. These teeth were deposited in the Telisa formation - a shallow marine environment during the middle Miocene (approx. 15 million years ago.) A very unique collector's tooth. D005 is the tooth on the left. Authenticity guaranteed.

D005 (Left)       SIZE: 1-3/8"

Note - 6 new Sumatran Megalodon teeth added in January 2018.       Link to Sumatran Megalodon teeth.

A rare, Top Quality Ankylosaurus magniventris tooth from the late Cretaceous of northern North America. Ankylosaurus magniventris was the largest Ankylosaur which grew to 30 feet and 17000 pounds. The enamel is excellent quality with excellent color / patina. Partial root. No cracks or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. A collector's quality Ankylosaur tooth. Note - tooth comes with the gem case pictured.

DK15      SIZE: 1/4"    

Note - Adding 20 new Ankylosaur - Nodosaur fossils in July 2018.       Link to Ankylosaur fossils catalog.

A well preserved, EXTRA LARGE Zarafasaura oceanis Plesiosaur vertebra, a large extinct upper Cretaceous marine reptile from the phosphate region (Oulad Abdoun Basin), Khouribga, Morocco. This Plesiosaur has been named Zarafasaura oceanis in 2011. This vertebra has a large neural spine. No repair or restoration. A fantastic specimen. Authenticity guaranteed. Note - specimen weighs one pound. There will be an international shipping surcharge.

M1129      SIZE: 3-1/8" centrum width x 5-1/2" height x 2-1/4" length"

Link to Moroccan Plesiosaur teeth

A sarce, EXTRA LARGE Knightia alta fish from the 18 Inch layer, Green River Fm., Lincoln Co. Wyoming. The Knightia alta is the second Herring-like fish species from the Eocene age (50 MYA). This is a scarce species has a thicker body. Exceptional preservation and preparation. No repair or restoration. All natural. Authenticity guaranteed. An excellent display piece!  Note - This item weighs 3 lbs. An international shipping surcharge may be applied to "Free Shipping". Please inquire for cost.

X450        SIZE: 6-3/8"       

Note - Adding 17 Green River Fm. Fossil fish in November 2025 --> Link to Fossil Fish 

An EXTRA LARGE, Top Quality Ankylosaurus osteoderm (bony armor plate) from the late Cretaceous of northern North America. Ankylosaurus magniventris was the largest Ankylosaur which grew to 30 feet and 17000 pounds, and a body covered with this bony armor. A complete body osteoderm plate from an adult Ankylosaurus. The bone quality is excellent with excellent color and patina. This osteoderm has a high ridge on one side. There are some hydration cracks and crack fill. No restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. An excellent collector's quality Ankylosaur osteoderm. A thick and heavy osteoderm.

DK23         SIZE: 6-1/2"  x  4-3/8"  (Height = 1-3/4" on high side)

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

A Top Quality, Mioplosus  fish from the 18 inch layer. The Mioplosus labracoides is an extinct Perch-like fish from the Eocene age (50 MYA), Green River Fm., Lincoln Co. Wyoming.  A scarce species. This piece is from the 18 Inch Layer which is extremely hard and difficult to prepare. It also provides the most detailed, highly preserved fossils. Exceptional preservation and preparation. No repair. All natural. Authenticity guaranteed. A wonderful display piece!   

X495           SIZE: 4-7/8"     

Note - Adding 31 Green River Fm. Fossil fish in November 2024 --> Link to Fossil Fish

A Top Quality, Mioplosus  fish from the 18 inch layer. The Mioplosus labracoides is an extinct Perch-like fish from the Eocene age (50 MYA), Green River Fm., Lincoln Co. Wyoming. A scarce species. This piece is from the 18 Inch Layer which is extremely hard and difficult to prepare. It also provides the most detailed, highly preserved fossils. Exceptional preservation and preparation. No repair. All natural. Authenticity guaranteed. A wonderful display piece! Incredible detail!   

X494           SIZE: 5-1/2"     

Note - Adding 31 Green River Fm. Fossil fish in November 2024 --> Link to Fossil Fish

A Top Quality, Mioplosus fish from the 18 inch layer with frame. The Mioplosus labracoides is an extinct Perch-like fish from the Eocene age (50 MYA), Green River Fm., Lincoln Co. Wyoming. A scarce species. This piece is from the 18 Inch Layer which is extremely hard and difficult to prepare. It also provides the most detailed, highly preserved fossils. Exceptional preservation and preparation. No repair. All natural. Authenticity guaranteed. Museum quality specimen

X490       SIZE: 5-3/8"    

Note - Added 17 Green River Fm. Fossil fish in November 2025.  -->  Link to Fossil Fish

A Top Quality Diplomystus  fish from the Splitfish layer, Green River Fm., Lincoln Co. Wyoming. The Diplomystus dentatus is a Herring fish from the Eocene age (50 MYA) in the ancient Lake Gosiute deposit. These fossil fish are nicely preserved fossils. Excellent preservation and preparation. No repair or restoration. All natural.  Authenticity guaranteed. An excellent display piece!  

X479c        SIZE: 3"      

Note - Adding 31 Green River Fm. Fossil fish in November 2024 --> Link to Fossil Fish

A Top Quality Diplomystus  fish from the Splitfish layer, Green River Fm., Lincoln Co. Wyoming. The Diplomystus dentatus is a Herring fish from the Eocene age (50 MYA) in the ancient Lake Gosiute deposit. These fossil fish are nicely preserved fossils. Excellent preservation and preparation. No repair or restoration. All natural.  Authenticity guaranteed. An excellent display piece!  

X479b        SIZE: 3"      

Note - Adding 31 Green River Fm. Fossil fish in November 2024 --> Link to Fossil Fish

A Knightia fish mortality plate with three fish from the Green River Fm., Lincoln Co. Wyoming. This piece is from the 18 Inch Layer which is extremely dense and difficult to prepare. It also provides the most detailed, highly preserved fossils.The Knightia eocaena is a Herring-like fish from the Eocene age (50 MYA).  Exceptional preservation and preparation. No repair. All natural. Authenticity guaranteed. An exceptional display piece.  Note - This item weighs 2 lbs. An international shipping surcharge will be applied to "Free Shipping". Please inquire for cost.

X463        SIZE: 4" (largest)      Plate size:  7.5" x 5" 

Note - Adding 17 Green River Fm. Fossil fish in November 2025 --> Link to Fossil Fish

A Knightia fish mortality plate with fivefish from the  Green River Fm., Lincoln Co. Wyoming. The Knightia eocaena is a Herring-like fish from the Eocene age (50 MYA).  This piece is from the 18 Inch Layer which is extremely dense and difficult to prepare. It also provides the most detailed, highly preserved fossils. Exceptional preservation and preparation. No repair. All natural. Authenticity guaranteed. An exceptional display piece.  Note - This item weighs 3.9 lbs. An international shipping surcharge will be applied to "Free Shipping". Please inquire for cost.

X451        SIZE: 4" (largest)      Plate size:  8.5" x 8.75" 

Note - Adding 17 Green River Fm. Fossil fish in November 2025 --> Link to Fossil Fish