Search results for: 'april guid hopei 4'

A Top Quality Macginitiea wyomingensis leaf the from Green River Fm., Douglas Pass, Garfield Co., Colorado. The Macginitiea wyomingensis is a Sycamore leaf from the Eocene age (48 MYA) in the ancient Lake Unita deposit. This piece exhibits exceptional preservation and color. Note - one of the points on top of the leaf was lost to the opposing matrix and approximately 1" was restored. Otherwise a perfect leaf. Authenticity guaranteed. This leaf comes with a custom made wooden stand and ID plate (see photo). It is ready to display. An exceptional display piece!  Note - this item weighs 2.3 lbs and will have an international shipping surcharge added to free shipping.

GL01     SIZE: 5-3/16" x 5-1/2"      Plate size: 5-1/2" x 5-3/4"

Note - Adding 20 Green River Fm. Fossil leaves in August 2023 --> Link to Green River Fossil Leaves

A rare, Top Quality Triceratops horridus rooted tooth from the late Cretaceous of northern North America. Another July 2018 Fossil of the Month. Triceratops is a large ceratopsian dinosaur found in the Hell Creek formation. The enamel is excellent quality with excellent color / patina. Extra large root which is quite rare. Incredible preservation of the crown and root that shows their intricate detail. The chewing surface measures 1-1/14” with a very high ridge. This is a recently erupted tooth that has slight tip wear. No cracks or restoration. A rare rooted, extra large Triceratops tooth! Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. An excellent collector's quality Triceratops tooth. Note - tooth comes with a Riker type frame. Authenticity guaranteed. My largest and best triceratops tooth!

DC01 BoP      SIZE: 2-1/4"         

Note - Adding new Triceratops fossils in July 2018.       Link to Triceratops fossils catalog

A very rare Top Quality, Allosaurus & Camarasaurus toe bone from the Morrison Fm. These toe bones are complete, and they reside on an Allosaurus  vertebra neural section as originally found. The Allosaurus toe bone is 2-1/2" and the Camarasaurus toe bone measures 2-3/8" in length. High quality bone. Rich brown color. Very good overall condition with minor bone erosion. Normal crack fill. No restoration. Allosaurus was the apex predator during the late Jurassic and Camarasaurus was a medium-sized sauropod. Legally collected on private land in the Morrison Fm., Emery Co., Utah. Authenticity guaranteed. Total display size is 5" x 5". A classic predator and prey display, and a very special collector's specimen!

DL32         Allosaurus Toe Size: 2-1/2"  (1-3/8" wide)  Camarasaurus Toe Size: 2-3/8" (3-1/4" wide)

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

A LARGE, Top Quality Edmontosaurus annectens tail (caudal) vertebra from the late Cretaceous of North America. Edmontosaurus is a very large hadrosaur or "duck-bill" dinosaur found in the Hell Creek formation. Very good bone quality and color. The vertebra is very complete with both processes and a good section of the neural arch with a well defined neural notch remains. Very good bone preservation. Basic crack fill on the two processes which is to be expected. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. An excellent collector's quality Edmontosaurus vertebra.  Authenticity guaranteed. Note - This items weighs 2.5 pounds and an international shipping surcharge will be applied to the "free shipping" offer.

DH53 BoP        SIZE: 7" (wide) x 6-3/4" (height)  x 3-1/2" (length)

Note - Adding 12 Edmontosaurus bones / claws in August 2021.       Link to Edmontosaurus fossils catalog

A Top Quality Edmontosaurus annectens ulna bone (lower front leg or "arm" bone) from the late Cretaceous of North America. An August Fossil of the Month. Edmontosaurus is a very large hadrosaur or "duck-bill" dinosaur found in the Hell Creek formation. They were mainly bipedal, but could walk on all four legs in search of food. This specimen is a excellent with no breaks and only minor crack fill. Bone quality is excellent. No restoration. Legally collected on private land in the Hell Creek Fm., Harding Co., So. Dakota. An excellent collector's quality Edmontosaurus ulna bone.  Authenticity guaranteed. An extra large ulna bone from an adult Edmontosaurus. Note - This items weighs 6.5 pounds and shipping surcharge will be applied to the "free shipping" offer.

DH71        SIZE: 24-1/4"  x  5"  x  3"    

Note - Adding 14 Edmontosaurus bones in August 2021.       Link to Edmontosaurus fossils catalog

A rare, Top Quality Triceratops horridus epoccipital (frill ornament) from the late Cretaceous of northern North America. Triceratops was a large ceratopsian dinosaur found in the Hell Creek formation which is known for three horns and a large frill protecting its neck. This epoccipital has excellent detail preserved and great color / patina. The epoccipitals were triangular bone ornaments that lined the top of the frill. The young Triceratops had narrow and tall epoccipitals, older juvenile Triceratops had low and wide epoccipitals, and adult Triceratops no longer had this ornament. You can see this epoccipital is narrow which is a characteristic of an younger juvenile Triceratops. No repair or restoration. 100% natural specimen. Legally collected on private land in Powder River Co., Montana. Authenticity guaranteed. 

DC64         SIZE: 1-1/4" Wide x 1-5/16" Height

Note - Adding 15 new Triceratops bones in September 2025.       Link to Triceratops fossils catalog

A rare, Top Quality Triceratops horridus epoccipital (frill ornament) from the late Cretaceous of northern North America. Triceratops was a large ceratopsian dinosaur found in the Hell Creek formation which is known for three horns and a large frill protecting its neck. This epoccipital has excellent detail preserved and great color / patina. The epoccipitals were triangular bone ornaments that lined the top of the frill. The young Triceratops had narrow and tall epoccipitals, older juvenile Triceratops had low and wide epoccipitals, and adult Triceratops no longer had this ornament. You can see this epoccipital is wide which is a characteristic of an older juvenile Triceratops. Some crack fill. No restoration. Legally collected on private land in Powder River Co., Montana. Authenticity guaranteed. 

DC63         SIZE: 1-7/8" Wide x 1-1/4" Height

Note - Adding 15 new Triceratops bones in September 2025.       Link to Triceratops fossils catalog

A very rare,Top Quality Anzu wyliei finger from the Hell Creek Fm. of SE Montana. Anzu is referred to as the "Chicken from Hell", a large Hell Creek Fm. oviraptor. This is the 2nd finger with a non-assciated manus claw and digit. The manus claw is GEM quality (flawless). Excellent rich brown color and patina. All surfaces are fantasic - very rare. This is top quality, collector's Anzu finger from the Hell Creek of Montana. Note - 2014 Anzu wyliei description paper attached below. Check out our selection of top quality Anzu wyleii claws! Legally collected on private land in the Hell Creek Fm., Montana. Authenticity guaranteed. Note - a Riker display frame will be included. 

DA24      Claw Size: 1-1/4" (straightline) Powder River Co. ; Digit Size: 1-1/8"  Garfield Co.

Note - Adding 6 Anzu wyliei claws in February.      Link to Anzu wyliei claws.

A Very Rare, TOP QUALITY Spinosaurus aegyptiacus hand (manus) claw from the Kem Kem region of Morocco. A February Fossil of the Month. An exceptional manus claw with fantastic color. An extra wide and heavy claw. No breaks. Two cracks are stabilized. All original with no filler. Excellent rich tan & red colors. Exceptional surface - no pitting, nicks or wear! Fantastic patina. Fully inflated. No repair or restoration. 100% natural which is extremely rare for a Spinosurus claw. An exceptional quality, collector's claw. One of the finest quality manus claws that I have seen. Check out our selection of top quality Spinosaurus claws! Authenticity guaranteed.  Note - a Riker frame will be included. You do not see fine quality Spinosaurus claws very often. The claws being sold are typically mostly restored and most often very poorly restored specimens. This is what a real Spinosaurus claw looks like! Museum Quality. The Best of the BEST!

M1249 BoP      Size: 4-5/16"  (straightline)  

Link to Spinosaurus fossils

An ULTRA RARE, Top Quality 5-7/8" Tyrannosaurus rex tooth with root. This crown measures 2-1/4" and is root thick (1-1/2"). The crown and root enamel has very good color and patina. Serrations are worn and there is some enamel peel. Tip end is worn round which is very typical with adult Rex teeth. Several cracks in the crown were filled and stabilized. The root has no hydration cracks - incredible quality. You will not find a better quality root! A top quality, massive Rex tooth from an adult T. Rex. T-Rex was the apex during the late Cretaceous with massive teeth capable of crushing its prey. See the detailed description to determine how to tell a real T-Rex tooth! Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. Authenticity guaranteed. You will rarely see an adult rooted Rex tooth!  Note - Riker frame included.

DT02  BoP        SIZE: 5-7/8"   (1-1/2" W)

An ULTRA RARE, MONSTER Great White shark transition tooth, Carcharodon hubbelli from Chile. A BIG upper jaw lateral tooth. A June Fossil of the Month. This tooth has a tan colored crown, a distinct gum line, and a brown root. Good color! Highest quality enamel with little hydration cracks and no peeling. This C. hubbelli tooth has medium serrations at the base of the cutting edge, transition to fine serrations at mid crown and disappear towards the tip. Serrations are large at the base with a good tip serration. The root is extra wide. Note - the root root lobe was cracked and probably reatttached - hard to see. Excellent preservation - note nutrient hole on root. No repair or restoration. An exceptional Great White transition form!  It will be extremely difficult to locate Carcharodon hubbelli. A super rare collector's tooth. Authenticity guaranteed. 

C201 BoP        Size: 2-3/4"    (2" W)

Note - Adding 32 Chilean Great White teeth in June 2021       Link to Great White shark teeth

A very rare, LARGE, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Note - this tooth has a lot of pyrite and the tip is naturally rounded (polished)  which thought to be due to the vertical whipping motion used to slice prey.  Excellent preservation, serrations, and serration detail. The Edestus shark would have an upper and lower tooth whorl that are vertically opposed. Research showed that they could use their opposing teeth in a scissor-like motion or a vertical whipping motion to cut prey. It is the first animal to cut vertically. A very strange looking and unique acting shark. Shark recreation image is credited to Julio Lacerdo. These rare teeth are Pennsylvanian age from Illinois. No repair or restoration. Authenticity guaranteed. 

I09        SIZE:  4-1/8" w/ root  (1-7/8" crown) 

Adding 22 Edestus shark teeth in July 2025.    Link to Edestus shark.