Fossil of the Month - Complete Listing

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.

An ultra rare, GEM Quality Tyrannosaur hand bone from the late Cretaceous (Campanian) in northern North America. Please note that this toe bone could Gorgosaurus or Daspletosaurus - see Detailed Discussion below. An October Fossil of the Month. This hand bone measures 1-7/16" - an exceptional quality, juvenileTyrannosaur hand bone. The bone is the highest quality and complete with excellent color. It has the characteristic hump on top. No cracks. No repair or restoration. Legally collected on private land in the Judith River Fm., Winifred Co., Montana. Authenticity guaranteed. An excellent, rare collector's hand bone. A very rare find!  A Riker display case is included.

DY32         SIZE: 1-7/16"  (Proximal End size: 13/16" x  3/4")

Link to Tyrannosaur teeth catalog.

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 pair of juvenile Woolly Mammoth (Mammuthus primigenius), an early elephant, teeth in the jaw. Found in Siberia. An October Fossil of the Month. Mammoths were present in this area during the Late Pleistocene Ice Age. Fantastic natural color!  These molars have nicely articulated chewing surfaces. Completely fossilized. Weighs 5 lbs. No repair or restoration. Authenticity guaranteed. An excellent collectors specimen and a very attractive display piece.  A perfect juvenile tooth. This tooth comes with a custom burl wood base plate as shown. Note: an international supplemental shipping cost will be calculated.

X615      Specimen Size: 5-1/4" Length  x 6" Wide  x  6" Height on plate ;  Teeth size: 3-1/2" length x 2" wide

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 black 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.

M1301c      Size: 3-5/16"   ;  1-1/8" width  ;  Base width: 3-1/8"

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

An ULTRA RARE, Top Quality 6-1/16" Caribbean Megalodon tooth - a upper jaw PRINCIPAL ANTERIOR tooth. An October Fossil of the Month. This Megalodon tooth has an incredible very light tan colored crown with charcoal and red-brown highlights. Highest quality enamel with very small hydration cracks. The bourlette is white colored and complete. The Caribbean Megalodon teeth consistently offer the closest to white colored enamel. Fantastic color! The serrations are razor sharp and complete. Excellent serrations overall. The root is a golden tan color, has no hydration cracks, and iscomplete. Note - this tooth has 1/2" of professional restoration of a saw cut  located 5/8" below the tip on the right side (typical for these teeth). Otherwise a perfect tooth. Great symmetry. This Megalodon was found in a commercial limestone quarry in the Caribbean (Miocene age). This is an incredibly colored Caribbean Megalodon tooth. One of finest examples of an ultra rare Caribbean Megalodon tooth that I have seen. An exceptional, rare collector's Megalodon tooth with great color!  Museum Quality Megalodon. Authenticity guaranteed. Note - The limestone is sawed into thin blocks for extraction which totally destroys 99%+ of these Megalodon teeth. The teeth with minimal damage are restored for collectors. A custom display stand is included. One of the best Caribbean Megs that I have had!

CA01       SIZE: 6-1/16"   (4-1/2" wide)

Note- Posting 4 exotic Megalodon teeth in October 2025.    Link to Latest Updates Megalodon teeth

Note- Posting 4 exotic Megalodon teeth in October 2025.    Link to Latest Updates Megalodon teeth

An ultra rare, top quality 5-3/4" Sharktooth Hill Megalodon tooth found in the Round Mountain Silt near Bakersfield, California. A location that produces very few Megalodon teeth and one of the toughest Megs to locate. This tooth was found in the Ernst West quarry. An October Fossil of the Month.  This Megalodon tooth has the highest quality enamel with a great Blue & Tan color. The bourlette is a brown color and nearly complete. The root is nicely articulated and complete. The serrations are complete with a good tip serration - incredible serrations for a large Sharktooth Hill Meg tooth! This is a middle Miocene Meg. Note - the grooves on the root ends and the small root "ears" at the top of the root - a Miocene Meg tooth feature!  Note - a 3/8" enamel section pooped off and was reattached on the right side (1/2" from the root). You do not see large middle Miocene Sharktooth Hill Megs from Bakersfield, California very often. One of the rarest Megs! Authenticity guaranteed. An incredible Museum Quality Sharktooth Hill Megalodon tooth that came out of a 25 year old old collection!  A custom display stand is included. You rarely see a 5"+ Top Quality STH Meg tooth for sale - an extremely rare piece. The largest STH Meg tooth that I have had!

ST451          Size: 5-3/4"   (4-3/4" wide)

Note - Adding two Sharktooth Hill Meg teeth in October 2025.    Link to Sharktooth Hill Meg Teeth.