Search results for: '1990 w 31.5 shell river easel'

A rare Akantharges mbareki trilobite. This rare trilobite species has only been available for 5 years. A very ornate design with spines and tubercles on its cephalon and pygidium! This species appears to be armored or designed to blend into its environment for protection. Excellent shell and spine preservation. Good size. A very rare species! A Middle Devonian (380 mya) trilobite from the Tinejdad area, Atlas Mts., Morocco. Authenticity guaranteed. A very unusual trilobite species!

XM04        Size: 1-1/4"  x  1-1/4"

Note - More than 20 high quality Devonian age Moroccan trilobite species for sale. Authenticity guaranteed.  -->  Link to Moroccan Trilobites.

A GEM QUALITY, LARGE exceptionally prepared, Mrakibina cattol trilobite. The preparation is German with all original colors and no restoration. Exceptional completeness and preservation. Great natural black shell with excellent luster with extra large cheek spines. The compound eyes inward dimples and well preserved. A Middle Devonian (380 mya - El Oftal Fm.) trilobite from the Djebel Mrakib, Atlas Mts., Morocco. Authenticity guaranteed. Museum Quality. Note - specimen wights 1.5 lbs. International orders will require supplemental postage. Please inquire.

XM58         Size: 1-7/8"  (1-1/4" wide)

Note - Adding 16 new Moroccan Trilobites in May 2024.    -->    Link to Moroccan Trilobites

An excellent Aetomylaeus sp., an Eagle ray, mouth plate from Caldera area of Chile. An excellent plate of pavement teeth from the lower jaw. This plate has exceptional preservation, gorgeous brown color, and exceptionally clean.  Note - the bottom surface of this specimen is fully exposed.  An incredible late Miocene Eagle ray mouth plate from the Bahia Inglesa Fm.  Authenticity guaranteed.

C954        SIZE: 1-1/16"  (7/8" W)

A rare, EXTRA LARGE Top Quality Tyrannosaur tooth from the late Cretaceous (Campanian) in northern North America. Please note that this tooth could be Gorgosaurus or Daspletosaurus - see Detailed Discussion below. A July Fossil of the Month. This tooth measures 3-1/16" - an excellent Tyrannosaur tooth. The enamel is highest quality with excellent color. Anterior serrations and posterior serrations are excellent.  Note - the large base height & width. This tooth comes from a  large Tyrannosaur - possibly Daspletosaurus. The posterior root corner was repaired for aesthetics. No resoration. Legally collected on private land in the Judith River Fm., Hill Co., Montana. Authenticity guaranteed. A Monster Sized Judith River Fm. collector's tooth. A Riker display frame is included.

DY01         SIZE: 3-1/16"   (Base: 1-1/16" x 11/16")

Note - Added 18 new Tyrannosaur teeth in July 2025.     Link to Tyrannosaur teeth catalog.

A Top Quality Richardoestesia isosceles tooth from Montana. A theropod from the Troodonidae family. These teeth are straight, flat, and possess ultra-fine serrations that run the length of the crown and may be related to Paronychodon (see beow). No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. 

DF12       Size: 5/16"

Note - Adding 12 new Richardoestesia teeth in June 2024      Link to Richardoestesia catalog.

A High Quality Richardoestesia isosceles tooth from Montana. A theropod from the Troodonidae family. These teeth are straight, flat, and possess ultra-fine serrations that run the length of the crown and may be related to Paronychodon (see beow). No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. 

DF10       Size: 3/8"

Note - Adding 12 new Richardoestesia teeth in June 2024      Link to Richardoestesia catalog.

A High Quality Richardoestesia isosceles tooth from Montana. A theropod from the Troodonidae family. These teeth are straight, flat, and possess ultra-fine serrations that run the length of the crown and may be related to Paronychodon (see beow). No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. 

DF09       Size: 3/8"+

Note - Adding 12 new Richardoestesia teeth in June 2024      Link to Richardoestesia catalog.

A High Quality Richardoestesia isosceles tooth from Montana. A theropod from the Troodonidae family. These teeth are straight, flat, and possess ultra-fine serrations that run the length of the crown and may be related to Paronychodon (see beow). No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. 

DF08       Size: 1/2"

Note - Adding 12 new Richardoestesia teeth in June 2024      Link to Richardoestesia catalog.

A Top Quality Richardoestesia isosceles tooth from Montana. A theropod from the Troodonidae family. These teeth are straight, flat, and possess ultra-fine serrations that run the length of the crown and may be related to Paronychodon (see beow). No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. 

DF07       Size: 9/16"

Note - Adding 12 new Richardoestesia teeth in June 2024      Link to Richardoestesia catalog.

A LARGE, High Quality Richardoestesia isosceles tooth from Montana. A theropod from the Troodonidae family. These teeth are straight, flat, and possess ultra-fine serrations that run the length of the crown and may be related to Paronychodon (see beow). No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. 

DB06       Size: 5/8"

Note - Adding 12 new Richardoestesia teeth in June 2024      Link to Richardoestesia catalog.

A LARGE, Top Quality Richardoestesia isosceles tooth from Montana. A theropod from the Troodonidae family. These teeth are straight, flat, and possess ultra-fine serrations that run the length of the crown and may be related to Paronychodon (see beow). No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. 

DF05       Size: 5/8"

Note - Adding 12 new Richardoestesia teeth in June 2024      Link to Richardoestesia catalog.

A LARGE, High Quality Richardoestesia isosceles tooth from Montana. A theropod from the Troodonidae family. These teeth are straight, flat, and possess ultra-fine serrations that run the length of the crown and may be related to Paronychodon (see beow). No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. 

DF04       Size: 5/8"

Note - Adding 12 new Richardoestesia teeth in June 2024      Link to Richardoestesia catalog.