Search results for: 'rays bottom group'

A rare High Quality, Large Heterodontus dorsal spine - the Horn shark from the Sharktooth Hill area, near Bakersfield, California. These Heterodontus spines only occasionally fossilize and they are quite rare. A great defensive weapon for the Horn shark! No repair or restoration. Authenticity guaranteed. The Sharktooth deposits produce the largest and best fossil Horn shark spines.

ST118        SIZE: 2-1/8"

An ultra rare group of two associated TOP QUALITY Araucaria mirabilis pine cones from Argentina. A May Fossil of the Month. These cones were found side by side and remain on their original natural matrix. The Jurassic pine cones are exquisite and known for their highy quality and extreme preservation. This cone is large and shows great exterior detail. Rare short stem sections are present. An incredible pair of associated natural pine cones. No repair or restoration. Authenticity guaranteed. Note - new Argentine pine cone specimen export has stopped for more than 10 years! These cones come from an old collection. Specmen sits nicely on its flat base and makes a fantastic display piece!  Note - this specimen weighs 1.75 lbs. and will require supplemental postage for international customers. 

 X301       Size: 2-5/8" x 2-1/8"   &   2-1/8" x 2-1/8"

Note - Adding 7 rare Argentine pine cone specimens in May 2023.      Link to Pine Cone fossils.

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 very rare EXTRA LARGE, Top Quality Torvosaurus tanneri  tooth from the Morrison Fm. A January Fossil of the Month. This Torvosaurus crown measures 2" and is 1-1/4" wide. The tooth measures 3-1/4" with the partial root. This is a BIG Torvosaurus tooth big serrations on both carinae (1.5 ser. per mm) and the mesial carina extends less than 1/2 of the crown. The enamel is high quality. Great rich dark brown color. Excellent anterior and posterior serrations. Minor natural crushing on the left bottom is stabilized. Excellent overall condition. There is minor restoration at the high point of the base of the crown.. Torvosaurus was the apex predator during the late Jurassic with large teeth designed to slash predators. Legally collected on private land in the Morrison Fm., Bone Cabin Quarry, Albany Co., Wyoming. Authenticity guaranteed.  Note - A Riker display frame is included. (Note - this tooth was incorrectly described as Allosaurus earlier.)

DL01         SIZE: 2" crown (1-1/4" wide)

Note - Adding 9 Jurassic teeth & bones in January 2024.    Link to Allosaurus teeth

"The CLASSIC BIG SPINY DEVONIAN TRILOBITE"  A "Flying" Top Quality, EXTRA LARGE Drotops armatus trilobite nicely displayed on an original matrix. A November Fossil of the Month. This specimen is exceptionally prepared, and fully exposed. Incredible detail and completeness. The bottom of this trilobite has been cleaned out and it sits on an 2.5" matrix pedestal. Preparation easily took many dozens of hours to clean this specimen. Incredible prep work! All natural. Shell color is the original bronze. Compound eyes are very well preserved with exceptional detail. All natural - an incredible display piece. Middle Devonian age. Museum quality specimen. A TOP QUALITY BIG SPINY Moroccan trilobite from the Mrakeb, Alnif area, Morocco. Authenticity guaranteed. This is a large spiny trilobite. A fantastic display piece!  Note - specimen weights 2.7 lbs. International orders will require supplemental postage added to Free Shipping. Please inquire.  

XM76      Size: 4-3/8" straightline; 7" on curve  (2-1/2" wide) Height is 5-1/2"

Adding 9 quality Moroccan trilobites in November 2025.     Link to Moroccan trilobites.

A rare LARGE, Otodus obliquus vertebra with very nice color from the Khouribga phosphate mining area of Morocco. Exceptional concentric growth rings well preserved as well as the pair of ventral foramina openings along the side. Very thick at 7/8". Centra faces are very clean and edge structure is very well preserved and clean. Eocene age. No repair or restoration. Authenticity guaranteed. Exceptional quality. You don't see the large Otodus vertebra any more!  

M1166           SIZE: 3"  (7/8" H)

Note - Adding 6 new Otodus obliquus vertebrae in December 2022.     Link to Otodus vertebrae.

A rare LARGE, Otodus obliquus vertebra with very nice color from the Khouribga phosphate mining area of Morocco. Exceptional concentric growth rings well preserved as well as the pair of ventral foramina openings along the side. Very thick at 1-1/16". Centra faces are very clean and edge structure is very well preserved and clean. Eocene age. No repair or restoration. Authenticity guaranteed. Exceptional quality. You don't see the large Otodus vertebra any more!  

M1165           SIZE: 3"  (1-1/16" H)

Note - Adding 6 new Otodus obliquus vertebrae in December 2022.     Link to Otodus vertebrae.

A rare LARGE, Otodus obliquus vertebra with excellent color from the Khouribga phosphate mining area of Morocco. Exceptional concentric growth rings well preserved as well as the pair of ventral foramina openings along the side. Very thick at 1". Centra faces are very clean and edge structure is very well preserved and clean. Eocene age. No repair or restoration. Authenticity guaranteed. Exceptional quality. You don't see the large Otodus vertebra any more!  

M1164           SIZE: 3-1/16"  (1" H)

Note - Adding 6 new Otodus obliquus vertebrae in December 2022.     Link to Otodus vertebrae.

A rare LARGE, Otodus obliquus vertebra with excellent color from the Khouribga phosphate mining area of Morocco. Exceptional concentric growth rings well preserved as well as the pair of ventral foramina openings along the side. Very thick at 1". Centra faces are very clean and edge structure is very well preserved and clean. Eocene age. No repair or restoration. Authenticity guaranteed. Exceptional quality. You don't see the large Otodus vertebra any more!  

M1163           SIZE: 3-1/16"  (1" H)

Note - Adding 6 new Otodus obliquus vertebrae in December 2022.     Link to Otodus vertebrae.

A rare LARGE, Otodus obliquus vertebra with excellent color from the Khouribga phosphate mining area of Morocco. Exceptional concentric growth rings well preserved as well as the pair of ventral foramina openings along the side. Very thick at 1-3/16". Centra faces are very clean and edge structure is very well preserved and clean. Eocene age. No repair or restoration. Authenticity guaranteed. Exceptional quality. You don't see the large Otodus vertebra any more!  

M1162           SIZE: 3-1/4"  (1-3/16" H)

Note - Adding 6 new Otodus obliquus vertebrae in December 2022.     Link to Otodus vertebrae.

A rare LARGE, Otodus obliquus vertebra with excellent color from the Khouribga phosphate mining area of Morocco. Exceptional concentric growth rings well preserved as well as the pair of ventral foramina openings along the side. Very thick at 1-1/8". Centra faces are very clean and edge structure is very well preserved and clean. Eocene age. No repair or restoration. Authenticity guaranteed. Exceptional quality. You don't see the large Otodus vertebra any more!  

M1161           SIZE: 3-1/4"  (1-1/8" H)

Note - Adding 6 new Otodus obliquus vertebrae in December 2022.     Link to Otodus vertebrae.

A very rare, associated set of nine Cretaceous shark vertebraewith excellent color. Excellent concentric growth rings well preserved. Vertebra are 3/8" thick. The exposed centra face is clean. Cretaceous age. Excellent quality - exceptionally rare!    

M1167            SIZE: 3/4" x 3-5/8" L