Search results for: 'guid black 20 inch thick ridg'

A rare, Extra Large Top Quality Miocene-Pliocene Mastodon molar from Chatham Co., Georgia. This is an extinct elephant ancestor that inhabited North America during the late Miocene to late Pliocene. This molar is  big with 4.5 cusp rows with essentially no cusp wear. So, this is a recently erupted or unerupted tooth. Cusps are 1-3/4" high. Exceptional articulation. Excellent black color! This is an exceptionally well fossilized Mastodon specimen. Note - Comes complete with custom steel stand as pictured. No damage. No restoration or repair. An exceptional, authentic Mastodon tooth. Authenticity guaranteed. Note this item weighs 6.1 lbs and a supplemental shipping charge is required for international orders. 

X610       Size:  7-1/4" Long x 3-3/4" Wide (1-3/4" cusp height)  ;  Height on stand = 6-1/4"

Name: Mastodon (Mammut americanum)

Age: Pliocene - Pleistocene

Location: Chatham Co., Georgia

Posting 6 ancestral elephant teeth in September 2024  -->  Link to all Mastodon teeth

A beautifully prepared, TOP QUALITY Walliserops lindoei trilobite, the "short trident Comura".  One of the collector's favorite spiny trilobites. A November Fossil of the Month. Walliserops lindoei is an unusual looking species with three rows of spines run down its back and a trident-like fork extending from the front of the cephalon. The preparation is German with all original colors and no restoration. Exceptional completeness and preservation. Great natural black shell with excellent luster.  A very difficult species to prepare. Excellent shell and spine preservation. Excellent compound eyes. Good size. A scarce species! One of the ultimate Middle Devonian (380 mya) spiny trilobite from the Foum Zguid, Morocco. Authenticity guaranteed. One of my favorite spiny trilobites!  Museum Quality. Note - specimen weights 1.7 lbs. International orders may require supplemental postage added to Free Shipping. Please inquire.  

XM75          Size: 1-7/8"   (1")

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

A "Flying" TOP QUALITY Walliserops trifurcatus trilobite, the "trident Comura".  A November Fossil of the Month and one of the collector's favorite spiny trilobites. Walliserops trifurcatus is an unusual looking species with three rows of of spines run down its back and a trident-like fork extending from the front of the cephalon. The preparation is German controlled with all original colors and no restoration. Exceptional completeness and preservation. Great natural black shell with excellent luster. The bottom of this trilobite has been cleaned out and it sits on an 1" matrix pedestal. A very difficult species to prepare. Excellent shell and spine preservation. Compound eyes are very good. Good size. A rare species! One of the ultimate Middle Devonian (380 mya) spiny trilobite from the Foum Zguid, Morocco. Authenticity guaranteed. One of my favorite spiny trilobites!  Museum Quality.  On Hold

XM06          Size: 3-1/4"  x  1-1/4"

Adding 9 top quality Devonian age Moroccan trilobite species.  -->  Link to Moroccan Trilobites.

An Ultra Rare, Extra Large Pappocetus lugardi (Andrews, 1920) jaw section with 3 complete molars from Morocco. Pappocetus was in the Protocetidae family of ancient whales. Note – the molars demonstrate how massive Pappocetus teeth compared to the later primitive whales!  The root thickness doubles on one side and the crown gains depth as well. This material is a new find and represents one of the earliest transition forms of the whale. Pappocetus is a protocetid (see discussion below) and a large amphibious aquatic carnivore. Pappocetus is also an ancestor of the Basilosaurus.. This material is complete and without repair. Crack fill only on some pieces. This is an opportunity to own an incredibly rare specimen from an early evolutionary stage of the modern whale. A fantastic collector's specimen. Authenticity guaranteed.

M2103          Size: 3-3/4"  (W - straight line)  (3-1/2" height)

Mid. Eocene (Bartonian) age  (40 MYA)

Gueran, (25 km SE of Boujdour), Boujdour Basin

West Sahara, Morocco

An Ultra Rare, Extra Large Pappocetus lugardi (Andrews, 1920) molar tooth from Morocco. Note - molar tooth design is one of the distinguishing features for indentifying this species.The molars demonstrate how massive Pappocetus teeth compared to the later primitive whales!  The root thickness doubles on one side and the crown gains depth as well. This material is a new find and represents one of the earliest transition forms of the whale. Pappocetus is a protocetid (see discussion below) and a large amphibious aquatic carnivore. Pappocetus is also an ancestor of the Basilosaurus. This material is complete and without repair. Crack fill only on some pieces. This is an opportunity to own an incredibly rare specimen from an early evolutionary stage of the modern whale. A fantastic collector's specimen. Authenticity guaranteed.

M2106          Size: 2-1/2"  (straight line)  (1-3/8" Width at base of crown)

Mid. Eocene (Bartonian) age  (40 MYA)

Gueran, (25 km SE of Boujdour), Boujdour Basin

West Sahara, Morocco

An Ultra Rare, Huge Pappocetus lugardi (Andrews, 1920) pre-molar tooth from Morocco. Pappocetus was in the Protocetidae family of ancient whales . Note - this tooth (the last "pre-molar") demonstrates how massive Pappocetus teeth compared to the later primitive whales!  The root thickness doubles on one side and the crown gains depth as well.This material is a new find and represents one of the earliest transition forms of the whale. Pappocetus is a protocetid (see discussion below) and a large amphibious aquatic carnivore. Pappocetus is also an ancestor of the Basilosaurus. This material is complete and without repair. Crack fill only on some pieces. This is an opportunity to own an incredibly rare specimen from an early evolutionary stage of the modern whale. A fantastic collector's specimen. Authenticity guaranteed.

M2108          Size: 4-3/4"  (straight line)  (3" Width at base of crown & ~1-1/2" depth)

Mid. Eocene (Bartonian) age  (40 MYA)

Gueran, (25 km SE of Boujdour), Boujdour Basin

West Sahara, Morocco

A rare EXTRA LARGE, Top Quality Edmontosaurus annectens hoof core (toe or pes ungual) 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. This is a toe hoof core from a massive Edmontosaurus. It is from the center toe - toe III. The largest one that I have seen! The Edmontosaurus was bipedal and had much larger feet relative to hands. Bone quality is excellent. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Dawson Co. Montana. A rare collector's quality Edmontosaurus pes hoof core.  Authenticity guaranteed. These extra large hoof cores are always extremely difficult to find! Weighs more than 1.5 pounds.

DH42 BoP       SIZE: 4-3/4" x  5-1/2"  (wide)  &  2-3/8" (thick)

Note - Adding 7 Edmontosaurus toe bones / claws in August 2021.       Link to Edmontosaurus fossils catalog

A rare Top Quality Triceratops horridus vertebra from the late Cretaceous of northern North America. Triceratops was a large ceratopsian dinosaur found in the Hell Creek and Lance Creek formations which is know for three horns and a large frill protecting its neck. This is a caudal (tail) vertebra with exceptional detail preserved and great color / patina. You can see the vertebra surface is very rugous and the vertebra is very thick with a very round centra which are characteristics of Triceratops and distinguishes it from a Hadrosaur. Triceratops bones are more difficult to find. No repair or restoration. It is very rare to find vertebra that are complete. 100% natural specimen. Legally collected on private land in Powder River Co., Montana. Authenticity guaranteed. An excellent big Triceratops vertebra. Note - A 4 peg display stand comes with it. 

DC30         SIZE: 2.5" Height x 1-7/8" Wide x 1-5/8" Length

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

A rare Sphyrna mokarran tooth, the Great Hammerhead shark, from Sumatra, Indonesia. These teeth were deposited in the Telisa formation - a shallow marine environment during the middle Miocene (approx. 15 million years ago.) A unique collector's tooth. These teeth are finely serrated. D044 is the top quality tooth. Authenticity guaranteed.

D044        SIZE: 7/16"

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

A GEM QUALITY Chubutensis tooth from the Ica area of Peru - an upper jaw tooth. An August Fossil of the Month. An excellent dark tan colored crown with no peel. Highest quality enamel. Sharp serrations are 1oo5 complete with an excellent tip serration. Note - the short serration is pathologic - no damage. Very nice side cusps. The bourlette is orange color and 100% complete. The root is excellent orange color, nicely articulated, and complete. An incredibly colored, Peruvian Chubutensis tooth! No reapir or restoration. Authenticity guaranteed. Perfect tooth. 

P031              SIZE: 2-1/16"

Note - Link to Peruvian Chubutensis teeth

A Quality Chubutensis tooth from Peru - an lower jaw tooth. A brown colored crown with no peel. High quality enamel. Sharp serrations and side cusps. The root cracked and reattached.  A nice, Peruvian Chubutensis tooth! Authenticity guaranteed.

P037              SIZE: 1-1/16"

Note - Adding 5 new Peruvian Chubutensis teeth in August 2020         Link to Peruvian Chubutensis teeth

A rare, EXTRA LARGE Chubutensis tooth from Peru - upper jaw tooth. An excellent tan colored crown with no peel. Large side cusps. Extra sharp serrations are excellent with some damage. The bourlette is a light tan color and mostly complete. The root is excellent light tan color, nicely articulated, and complete with few hydration cracks. No repair or restoration. An excellent, extra large Peruvian Chub tooth!  Authenticity guaranteed. These extra large Chub teeth are quite rare.

P041 BoP           SIZE: 3-5/8"  (3" W)

Note - Adding 5 new Peruvian Chubutensis teeth in August 2020.         Link to Peruvian Chubutensis teeth