Search results for: 'desori like guid'

A very rare, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. An excellent matrix specimen that inludes the opposing tooth mold as well. 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. Note - shipping weight is 1.9 lbs. International "free shipping" will require supplemental postage.

I11        SIZE:  3" w/ root  (1-1/2" crown) ;  Matrix block is 3.5" x 3.5"

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

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.

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.

A GEM, EXTRA LARGE Spinosaurus aegyptiacus hand (manus) claw from the Kem-Kem region of Morocco. An exceptional manus claw. Incredible extra sharp tip. No break. No cracks. All original. Excellent rich tan & red colors. Exceptional surface - no pitting, nicks or wear! The tip has no wear or break which is very rare for a big Spinosaur manus claw. An exceptional quality, collector's claw. The finest quality manus claws that I have seen. Check out our selection of top quality Spinosaurus claws! Authenticity guaranteed. Museum Quality. Best of the BEST.  Note - a Riker frame will be included.

M1246  BoP    Size: 6-1/4" (always straightline)  (Note - 2-1/2" height at the proximal end!)

A HUGE, TOP QUALITY Spinosaurus aegyptiacus tooth from the Kem-Kem region of Morocco. High quality enamel with well preserved and pronounced grooves running up the crown. Excellent color. An extra thick BIG Spino tooth - see photo. No cracks. No repair and restoration. An excellent quality, big collector's tooth from an extra large Spinosaurus - the 50 foot variety! Authenticity guaranteed.

M1226 BoP        Size: 4-3/4"     (1-1/4" W)

Note - 15 new Spinosaurus teeth added in October 2018.     Link to Spinosaurus teeth.

A HUGE, TOP QUALITY Spinosaurus aegyptiacus tooth from the Kem-Kem region of Morocco. An October Fossil of the Month. High quality enamel with well preserved and pronounced grooves running up the crown. Little crown tip wear for a big tooth. A fantastic deep red patina - rare color for a Spino tooth, and the surface has a drusy crystalline appearance - very nice and very rare. Plus this is an extra thick BIG Spino tooth that would have been easily 1-1/2" thick at the base - see photo. One of the fattest Spino teeth that I have seen. No cracks. No repair and restoration. A very special, big collector's tooth from an extra large Spinosaurus - the 50 foot variety! Plus rare deep red color with a crystalline surface. An essentially PERFECT tooth. You do not see the top quality BIG Spino teeth very often. Authenticity guaranteed. Best of the BEST!

M1227 BoP        Size: 4-1/4"     (1-1/4"+ W)

Note - 15 new Spinosaurus teeth added in October 2018.     Link to Spinosaurus teeth.

An EXTRA LARGE, TOP QUALITY Spinosaurus aegyptiacus tooth from the Kem-Kem region of Morocco. High quality enamel with well preserved and pronounced grooves running up the crown. Tip has little wear - an excellent tip for a big tooth. Excellent color. No cracks. No repair and restoration. An excellent quality, big collector's tooth from a large Spinosaurus! Authenticity guaranteed.

M1228 BoP       Size: 4"     (1" W)

Note - 15 new Spinosaurus teeth added in October 2018.     Link to Spinosaurus teeth.

A TOP QUALITY Spinosaurus aegyptiacus tooth from the Kem Kem region of Morocco. Highest quality enamel with well preserved and pronounced grooves running up the crown. Excellent red color. No cracks. Small tip wear - a decent tip. No repair or restoration. An excellent quality, collector's Spinosaurus tooth!  Authenticity guaranteed.  A floating frame display case is included.

M1238       Size: 2-15/16"     (13/16" wide)

Note - Adding 16 new Spinosaurus teeth added in June 2022.     Link to Spinosaurus teeth.

A TOP QUALITY Spinosaurus aegyptiacus tooth from the Kem Kem region of Morocco. Highest quality enamel with well preserved and pronounced grooves running up the crown. Excellent red color. One crack. No tip wear - a great tip. No repair. An excellent quality, collector's Spinosaurus tooth!  Authenticity guaranteed.  A floating frame display case is included.

M1239       Size: 3-3/16"     

Note - Adding 13 new Spinosaurus teeth added in October 2022.     Link to Spinosaurus teeth.

A TOP QUALITY Spinosaurus aegyptiacus tooth from the Kem Kem region of Morocco. Highest quality enamel with well preserved and pronounced grooves running up the crown. Excellent dark red color. One crack. Small tip wear - a good tip. No restoration.  An excellent quality, collector's Spinosaurus tooth!  Authenticity guaranteed.  A floating frame display case is included.

M1244       Size: 3-1/8"     

Note - Adding 15 new Spinosaurus teeth added in April 2024.     Link to Spinosaurus teeth.

A TOP QUALITY Spinosaurus aegyptiacus tooth from the Kem Kem region of Morocco. Highest quality enamel with well preserved and pronounced grooves running up the crown. Excellent red color. One crack. Very small tip wear - an excellent tip. No restoration.  An excellent quality, collector's Spinosaurus tooth!  Authenticity guaranteed.

M1237       Size: 3-5/8"     

Note - Adding 15 new Spinosaurus teeth added in April 2024.     Link to Spinosaurus teeth.