Search results for: 'alteri 3 1 2'

A very rare, Trigonotodus alteri shark tooth, an extinct Giant Thresher, from So. Carolina. Nice tan color. Good preservation, but there are a some condition issues.  These teeth are rarely found and seen. A rare collectors' tooth in high quality condition. Authenticity guaranteed. This is the rarest of the Giant Thresher species.   

SC848           SIZE: 1-1/4"

Posting 21 Giant Thresher shark teeth in June 2024.    Link to Giant Thresher sharks. 

An extinct early 3-Toed horse jaw (Mesohippus) from Sioux Co., Nebraska. Mesohippus was one of many mammals that thrived in the Early Oligocene in North America. Found in the Brule Fm. (Rupelian) 33 - 30 million years ago. A very well preserved specimen. No repair or restoration. Authenticity guaranteed. 

WR05        Size: 2"  

Name: Mesohippus 

Age:  Oligocene

Location: Sioux Co., Nebraska

Note - Posting 49 Oligocene Mammal fossils in January 2025.      Link to Oligocene Mammal Fossils

A very rare, Alopias palatasi shark tooth, an extinct serrated Giant Thresher, from So. Carolina. Nice blue color. Good preservation, but there is erosion. Serrations are visible. These teeth are rarely found and seen. A rare collectors' tooth in high quality condition. Authenticity guaranteed. This is the second rarest of the Giant Thresher species.   

SC849           SIZE: 1-3/8"

Posting 21 Giant Thresher shark teeth in June 2024.    Link to Giant Thresher sharks. 

An EXTRA LARGE, exceptional natural Cranaosphinctes ammonite showing excllent external design from Madagascar. The natural shell is well preserved and polished. An incredible display item!  Museum piece. Authenticity guaranteed.

X270 BoP     Size: 9-1/2""  (3-1/2" thick)   Weighs 6 lbs.

Note - International shipping will require a supplement.

A MUSEUM QUALITY group of two Sinosura kelheimensis, a Brittle Star. The largest is 1-3/8" in length. Incredible detail. Excellent preservation and excellent preparation. Matrix size is 4-1/2" x 2". This Brittle star is from Hienheim, Bavaria, Germany. Upper Jurassic (Lower Tithonian). Rare! A top quality collector's piece.

GR102           SIZE: 1-3/8"

An exceptional, EXTRA LARGE polished ammonite showing the intricate internal chamber structure. The Ammonite is incredibly large at 9-1/2"! The rock matrix is a beautiful material and the Ammonite cavities are mineral filled! The ammonite is beautifully polished on all sides and is displayed using a natural rectangular matrix stand with large Orthoceras . Exceptional preservation and detail. An incredible display item. The largest Moroccan ammonite that I have seen!  Best of the BEST.

Name: Goniatities sp. , Age: Devonian (350 MM years ago), Location: Atlas Mt., Morocco

Note - the base is 8-3/4" x 4" x 3". Overall height with base is 11".   International shipping cost will be calculated. Please request quote.

M2020         Size: 9-1/2"

A LARGE, MUSEUM QUALITY Rhynchodercetis aff. yovanovitchi fish. This Rhynchodercetis aff. yovanovitchi, a Needle fish, is 4-3/8"+ in length. There is also another unidentified fossil fish (1-1/2"). Incredible detail. Excellent preservation and incredible preparation. This is a Cretaceous specimen from Taouz, Morocco. Rare specimen! A top quality collector's piece.

MX482           SIZE: 4-3/8"+

A "Flying", EXTRA LARGE Paralejurus rehamnanus trilobite from Oufaten, Atlas Mts., Morocco. The front is fully exposed to show bottom of shell for a nice display. A Middle Devonian (380 mya) trilobite. An excellent collector's specimen! Authenticity guaranteed.

XM17        Size: 3"  (1-1/2" Wide)

Note - Adding 5 high quality Devonian age Moroccan trilobite i December 2023.  -->  Link to Moroccan Trilobites.

An EXTRA LARGE, Hollardops mesocristata trilobite from the Djebel Issoumour (Maider area), Atlas Mts., Morocco. The preparation is German with all original colors and no restoration. Excellent preservation and condition. The compound eyes have exceptional detail. A Lower Devonian (395 mya). Authenticity guaranteed. 

XM09       Size: 2-3/4"  (1-11/16" wide)

Note - Posted 16 Moroccan trilobites in May 2024  -->  Link to Moroccan Trilobites

A Quality Prognathodon anceps tooth from the phosphate mining region, Khouribga, Morocco. P. anceps is one of the largest mosasaur species known with huge nearly round teeth used for crushing prey.  Exceptional condition and preservation. Note - the large Moroccan Mosasaurs have been renamed to a Prognathodon genus. No repair or restoration.  Authenticity guaranteed. This is a good specimen.

M1078        SIZE: 2-1/4"    (1-3/8" wide) 

Note - Adding 14 new Mosasaur teeth in October 2022. -->  Link to Mosasaur teeth.

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.