Fossil of the Month - Complete Listing

An ultra rare, Top Quality Struthiomimus altus hand (manus) claw from the late Cretaceous of North America. A November Fossil of the Month.  Struthiomimus is a long legged, bipedal, toothless dinosaur found in the Hell Creek formation. The Struthiomimus means "ostrich mimic" which best describes this species. Exceptional bone quality and color. Excellent bone preservation. The tip was repaired which is quite common for claws. Legally collected on private land in the Judith River Fm., Hill Co., Montana. An excellent collector's quality Struthiomimus manus claw.  Authenticity guaranteed. You rarely see a Struthiomimus manus claw.  Specimen comes with a Riker display case.

DS16        SIZE: 2-3/16"   (Proximal end: 7/16" height x 3/8" wide)

A rare, TOP QUALITY Nanotyrannus lancensis toe (pes) claw from the western US. A November Fossil of the Month. This claw measures 2-1/4" (straight line). The enamel is excellent quality. The proximal end is complete. No cracks. There is a small tip repair (1/4"). No restoration. Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. Authenticity guaranteed.  An excellent collector's Nano pes claw. Note - a Riker display case is included.

DN35       SIZE: 2-1/4" ; Proximal end: 7/8" height x 5/8" wide

Note - Adding 19 Nanotyrannus teeth in November 2025  ->  Link to Nano Teeth

A beautifully prepared, TOP QUALITY Koneprusia dahmani spiny trilobite. One of the collector's favorite spiny trilobites. A November Fossil of the Month. Koneprusia dahmani is an unusual looking species with three rows of long spines run down its back. The preparation is German with all original colors and no restoration. Exceptional completeness and preservation. Great natural bronze colored shell with excellent luster.  A very difficult species to prepare. Excellent shell and spine preservation. 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.  

XM77          Size: 1-5/8"   (1-1/16")

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

"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 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, 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.