Search results for: 'good black 20 into thick rossica'

A beautifully prepared, GEM QUALITY Comura bultyncki trilobite. The collector's favorite spiny trilobite. An April Fossil of the Month. Dozens of large spines fully exposed requiring many dozens of hours of air abrasion. One of the most difficult species to prepare. The Comura has very ornate spiny trilobite design with excellent compound eyes! Excellent shell and spine preservation. Large size. A scarce species! The ultimate Middle Devonian (390 mya) spiny trilobite from the Oufaten area, Atlas Mts., Morocco. Authenticity guaranteed. One of my favorite spiny trilobites and one of the best Comura trilobites that I have seen!  Note - specimen weights 2.3 lbs. International orders will require supplemental postage. Please inquire.  

XM05          Size: 2-1/4"   (1-9/16" wide)

Adding 31 quality Moroccan trilobites in April 2025.     Link to Moroccan trilobites.

An incredibly prepared Morocconites malladoides trilobite from Morocco. This trilobite is fully exposed in a excellent display. Great compound eyes and a fantastic horn. Excellent preservation and condition. A fantastic display piece with many hours of incredibly tedious preparation work. This specimen sits nicely on the matrix base. Lower Devonian trilobite (395 mya).  A top quality and scarce specimen. Authenticity guaranteed. 

XM54        Size: 2-3/8"   (1" wide)

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.

A scarce Top Quality, Isurus retroflexus, the Longfin Mako shark tooth (upper jaw lateral tooth) from the Lee Creek mine, Aurora, No. Carolina. This tooth has a rich blue & tan crown and a tan colored root. Excellent colors!  Sharp cutting edge. The rear top of root has a "shoulder" build up, a characteristic of Isurus retroflexus. Excellent preservation - note nutrient hole on root. It is a Miocene tooth from the Pungo River Fm. An excellent collector's tooth. Authenticity guaranteed. A difficult tooth to source.

LC386      Size: 1-5/8"

Note - Adding 15 new Lee Creek Longfin Mako teeth in March 2023.     Link to Lee Creek Longfin Mako Teeth.   

A scarce Top Quality, Isurus retroflexus, the Longfin Mako shark tooth (upper jaw lateral tooth) from the Lee Creek mine, Aurora, No. Carolina. This tooth has a rich tan crown and a brown colored root. Excellent colors!  Sharp cutting edge. The rear top of root has a "shoulder" build up, a characteristic of Isurus retroflexus. Excellent preservation - note nutrient hole on root. It is a Miocene tooth from the Pungo River Fm. An excellent collector's tooth. Authenticity guaranteed. A difficult tooth to source.

LC385      Size: 1-11/16"

Note - Adding 15 new Lee Creek Longfin Mako teeth in March 2023.     Link to Lee Creek Longfin Mako Teeth.   

A scarce Top Quality, Isurus retroflexus, the Longfin Mako shark tooth (upper jaw anterior tooth) from the Lee Creek mine, Aurora, No. Carolina. This tooth has a rich tan crown and a tan colored root. Excellent colors!  Sharp cutting edge. The rear top of root has a "shoulder" build up, a characteristic of Isurus retroflexus. Excellent preservation - note nutrient hole on root. It is a Miocene tooth from the Pungo River Fm. An excellent collector's tooth. Authenticity guaranteed. A difficult tooth to source.

LC384      Size: 1-5/8"

Note - Adding 15 new Lee Creek Longfin Mako teeth in March 2023.     Link to Lee Creek Longfin Mako Teeth.   

A scarce Top Quality, Isurus retroflexus, the Longfin Mako shark tooth (upper jaw anterior tooth) from the Lee Creek mine, Aurora, No. Carolina. This tooth has a rich tan crown and a gray colored root. Excellent colors!  Sharp cutting edge. The rear top of root has a "shoulder" build up, a characteristic of Isurus retroflexus. Excellent preservation - note nutrient hole on root. It is a Miocene tooth from the Pungo River Fm. An excellent collector's tooth. Authenticity guaranteed. A difficult tooth to source.

LC383      Size: 1-7/8"

Note - Adding 15 new Lee Creek Longfin Mako teeth in March 2023.     Link to Lee Creek Longfin Mako Teeth.   

An EXTRA LARGE scarce Top Quality, Isurus retroflexus, the Longfin Mako shark tooth (upper jaw anterior tooth) from the Lee Creek mine, Aurora, No. Carolina. This tooth has a rich tan crown and a brown colored root. Excellent colors!  Sharp cutting edge. The rear top of root has a "shoulder" build up, a characteristic of Isurus retroflexus. Excellent preservation - note nutrient hole on root. It is a Miocene tooth from the Pungo River Fm. An excellent collector's tooth. Authenticity guaranteed. A difficult tooth to source.

LC382       Size: 2-1/8"

Note - Adding 15 new Lee Creek Longfin Mako teeth in March 2023.     Link to Lee Creek Longfin Mako Teeth.   

A QUALITY shark vertebra from the Lee Creek mine, Aurora, No. Carolina. Exceptional condition and preservation. Incredibly defined ventral holes. This vertebara aseptate design and resembles a vertebra from Physogaleus. These vertebrae are rarely found and exceptional specimens are extremely difficult to obtain. These vertebrae were found in Miocene Pungo River Formation (15 million years old). Authenticity guaranteed. 

LC969              SIZE: 1-3/16" width x 1-1/8" length

Note - Adding 9 new Lee Creek teeth vertebrae in March 2023.     Link to Lee Creek Shark vertebra. 

A TOP QUALITY shark vertebra from the Lee Creek mine, Aurora, No. Carolina. Exceptional condition and preservation. Incredibly defined ventral holes. This vertebara is an aseptate design and resembles a vertebra from Physogaleus. These vertebrae are rarely found and exceptional specimens are extremely difficult to obtain. These vertebrae were found in Miocene Pungo River Formation (15 million years old). Authenticity guaranteed. 

LC968              SIZE: 1-1/8" width x 1-1/8" length

Note - Adding 9 new Lee Creek teeth vertebrae in March 2023.     Link to Lee Creek Shark vertebra. 

A TOP QUALITY shark vertebra from the Lee Creek mine, Aurora, No. Carolina. Exceptional condition and preservation. Incredibly defined ventral holes. This vertebara is an aseptate design and resembles a vertebra from the Bull shark. These vertebrae are rarely found and exceptional specimens are extremely difficult to obtain. These vertebrae were found in Miocene Pungo River Formation (15 million years old). Authenticity guaranteed. 

LC967           SIZE: 2" width x 1-1/8" length

Note - Adding 9 new Lee Creek teeth vertebrae in March 2023.     Link to Lee Creek Shark vertebra. 

A TOP QUALITY shark vertebra from the Lee Creek mine, Aurora, No. Carolina. Exceptional condition and preservation. Incredibly defined ventral holes. This vertebara is an aseptate design and resembles a vertebra from the Tiger shark. These vertebrae are rarely found and exceptional specimens are extremely difficult to obtain. These vertebrae were found in Miocene Pungo River Formation (15 million years old). Authenticity guaranteed. 

LC966           SIZE: 2-1/4" width x 1-7/16" length

Note - Adding 9 new Lee Creek teeth vertebrae in March 2023.     Link to Lee Creek Shark vertebra.