Fossil of the Month - Complete Listing

An EXTRA LARGE, Top Quality Abelisaurid dinosaur tooth from the Cretaceous Kem Kem deposits of Morocco.  A December Fossil of the Month. Once thought to be a "raptor" tooth, these teeth are an Abelisaurid, a family of Ceratosaurian theropod dinosaurs with the unique straight posterior carina. This tooth is likely from the larger Abelisaurid species present in the Kem Kem. They were the dominate smaller theropod in the late Cretaceous Kem Kem deposit. Excellent red color and serrations. Excellent preservation. No repair or restoration. Authenticity guaranteed. A fantastic Abelisaurid tooth. 

M1262       Size: 1-1/8"

Note - 8 new Abelisaurid / Raptor teeth added in December 2025.     Link to Abelisurid / Raptor teeth

A rare Top Quality fossil Cave Leopard toe tooth (Panthera pardus spelaea) from Romania. A December Fossil of the Month The Cave Leopard lived in the mountain caves from central Europe to Russia during the Ice Age. An excellent four bone toe. No repair or restoration. Authenticity guaranteed. You can own a rare and wonderful story piece from the Ice Age. 

Name: Panthera pardus spelaea   Age: Late Pleistocene     

Location: Carpathian Mountains, Romania

R591            SIZE: 8-3/4" 

Note: Added 12 Ice Age & Cave Bear items in December 2025.      Link -> Ice Age Fossils

An exceptionally preserved, rare fossil Cave Bear jaw (Urusus spelaeus) from the Carpathian Mountains, Romania. A December Fossil of the Month. These large bears lived in the mountain caves from central Europe to Russia. You can own a rare and wonderful story piece from the Ice Age!  No repair or restoration. Authenticity guaranteed. An exceptional cave bear lower jaw.

Name: Urusus spelaeus      Age: Late Pleistocene     

Location: Carpathian Mountains, Romania

R507             SIZE: 7-1/2" 

Note: Added 12 Cave Bear & Ice Age fossils in December 2025.    Link -> Cave Bear Fossils

"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 "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 "Flying" Top Quality, EXTRA LARGE Zilchovaspis rogusa trilobite from Morocco. A November Fossil of the Month. It has German controlled preparation and retains all natural color and detail. The bottom of this trilobite has been cleaned out and it sits on an 1" matrix pedestal. Preparation easily took many dozens of hours to clean this specimen. Incredible prep work! All natural. A Lower Devonian trilobite. One of my favorite Devonian species. Authenticity guaranteed.  Note - Specimen weighs 1.2 pounds and a supplemental international shipping surcharge will be applied tp Free Shipping. The largest Zilchovaspis rogusa trilobite that I have seen. A massive trilobite!

XM72       Size: 4-1/2" straightline ; 6" on curve (2-3/4" wide)

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

A GEM Quality, Colorful Tyrannosaur tooth from the late Cretaceous (Campanian) in northern North America. Please note that this tooth could Gorgosaurus or Daspletosaurus - see Detailed Discussion below. An October Fossil of the Month. This tooth measures 1-1/2" - an excellent Tyrannosaur  tooth. A maxillary tooth. The enamel is highest quality with exceptional color. Anterior serrations and posterior serrations are excellent. No repair or restoration. Legally collected on private land in the Judith River Fm., Blaine Co., Montana. Authenticity guaranteed. An incredible collector's tooth. A Riker display case is included.

DY13         SIZE: 1-1/2"   (Base: 5/8" wide)

Note - Added 26 new Tyrannosaur teeth in October 2025.     Link to Tyrannosaur teeth catalog.

A COLORFUL, LARGE, Top Quality Miocene-Pliocene Mastodon molar from northern Florida. An October Fossil of the Month. This is an extinct elephant ancestor that inhabited North America during the late Miocene to late Pliocene. This massive tooth has 4 large cusp rows with typical cusp wear. Exceptional overall articulation. Incredible red & black colors! This is an exceptionally well fossilized Mastodon specimen. Note - Tooth comes complete with custom stand as pictured. No repair or restoration. An exceptional, authentic Mastodon tooth. Authenticity guaranteed. Note this item weighs 6+ lbs and a supplemental shipping charge is required for international orders. A fanastic big color tooth!

X601       Size:  7-1/2" Long x 4" Wide ;  Height on stand = 7"

Name: Mastodon (Mammut americanum)

Age: Pliocene - Pleistocene    

Location: Northern Florida

Posting 8 Mammoth / Mastodon teeth in October 2025  -->  Link to all Mastodon teeth

An incredibly preserved, LARGE Woolly Mammoth (Mammuthus primigenius), an early elephant, molar found in Alaska. An October Fossil of the Month. Mammoths were present in this area during the Late Pleistocene Ice Age. Fantastic natural red color!  This molar has a nicely articulated chewing surface. A complete root - very rare. Completely fossilized. Weighs 10+ lbs. No repair or restoration. Authenticity guaranteed. An excellent collectors specimen and a very attractive display piece.  A perfect large tooth. This tooth comes with a custom stand as shown. Note: an international supplemental shipping cost will be calculated.

X604           Size: 8-1/4"  x 3-1/2" W  x  9-1/2" Height on stand

Note - Posting 8 Mammoth / Mastodon teeth in October 2025.   Link to Mammoth fossils.

A rare, incredibly preserved, juvenile Woolly Mammoth (Mammuthus primigenius), an early elephant, tusk found in North Sea. An October Fossil of the Month. Mammoths were present in this area during the Late Pleistocene Ice Age. Fatastic natural color!  A complete tusk with natural wear on the tip. Completely fossilized. Weighs 1.5 lbs. No repair or restoration. Authenticity guaranteed. An excellent collectors specimen and a very attractive display piece.  Note: an international supplemental shipping cost will be calculated.

X619         Size: 9-3/8" Length (straightline)  x  1-1/4" Wide ;  Height on stand = 10-1/2"

Note - Posting 8 Mammoth / Mastodon teeth in October 2025.   Link to Mammoth fossils.

An Ultra Rare, TOP QUALITY Spicomellus afer spike osteoderm from the earliest known Ankylosaur found in the Boulemane region of Morocco. An October Fossil of the Month.  An excellent spike with an incredible natural red color and patina. The surface quality is exceptional with no pitting, nicks or wear! Fully inflated. Simple crack fill. No restoration. An exceptional quality, collector's spke. Authenticity guaranteed. Spicomellus afer specimens are quite rare and only a few have been found. This is what a real Spicomellus afer spike looks like.  Jurassic age (Bathonian) - 166 MYA. Found in the El Mers Group (formation), Boulahfa, So. of Boulemane, Fes Meknas, Morocco.

M1302c      Size: 3-5/16"   ;  1-1/8" width

An Ultra Rare, GEM QUALITY Spinosaurus aegyptiacus hand (manus) claw from the Kem Kem region of Morocco. An October Fossil of the Month.  An excellent manus claw with excellent red color and patina. The surface quality is exceptional with no pitting, nicks or little wear! Great patina. Fully inflated. The articulated end is complete. One crack. No restoration. An exceptional quality, collector's claw. Authenticity guaranteed.  Note - a Riker frame will be included. I do not see fine quality Spinosaurus claws very often and this is the best I have seen for several years. This is what a real Spinosaurus claw looks like. Spinosaurus claws with this quality are quite rare!   On HOLD

M1249      Size: 4-7/16"  (straightline)  ;  4-3/4" (curve) ; 1-1/4" (proximal end height)

Note - Adding two top quality Spinosaurus manus claws in January 2025   ->  Link to Spinosaurus fossils