Search results for: 'with guid tree age'

Petalodus sp.; an  Extinct Petalodont shark

A very large matrix free tooth. Nicely articulated. Essentially complete. A collector's tooth. 

Z080            SIZE: 7/8" x  1-1/8" W

Symmorium sp.; an  Extinct Symmorid shark

 An EXTRA LARGE collector's tooth. Nicely articulated. An extraordinary collector's tooth!

Z084                SIZE: 1" H x   1-1/4" W

Symmorium sp.; an  Extinct Symmorid shark

 An EXTRA LARGE collector's tooth. Nicely articulated. An extraordinary collector's tooth!

Z095           SIZE: 3/4" H x   1" W

 Peripristis semicircularis ; an  Extinct Petalodont sharkA very rare, well preserved GEM posterior tooth. A complete tooth - crown & root - extremely rare! Beautifully articulated. Matrix free - incredibly rare. An exceptional collector's piece from an old collection!  The best available!   Reverse Photo.
Age: Pennsylvanian (300 mya) ; Stanton Fm. (Missourian)
Location: Louisville, Cass Co., Nebraska

Z149     SIZE: 5/16"

A pair of beautifully prepared, Asaphus plautini trilobites from the Vilpovitsy quarry, Saint Petersburg region, Russia. A very nice three lobe design. Interesting raised eyes to see in soft sediment. A Middle Ordovician trilobite, Aseri level, (470 mya). Exceptional quality and preservation! Authenticity guaranteed. Note - This specimen weighs 3 lbs. A shipping surcharge will apply to international orders.

XR149        Size:  2-3/4"  (1-3/4" W)  &  2-3/8" x  (1-3/4" W) 

Note - Adding 8 new Russian Trilobites in October 2024.    -->    Link to Russian Trilobites

A beautifully prepared, Asaphus latus trilobite from the Vilpovitsy quarry, Saint Petersburg region, Russia. A very nice three lobe design. Interesting raised eyes to see in soft sediment. A Middle Ordovician trilobite, Aseri level, (470 mya). Exceptional quality and preservation! Authenticity guaranteed. Note - This specimen weighs 1.1 lbs. A shipping surcharge will apply to international orders.

XR147        Size:  2-7/8"  (2-1/8" W)  

Note - Adding 8 new Russian Trilobites in October 2024.    -->    Link to Russian Trilobites

A beautifully prepared, Asaphus cornutus  trilobite from the Vilpovitsy quarry, Saint Petersburg region, Russia. A very nice three lobe design. Interesting short raised eyes to see in soft sediment. A Middle Ordovician trilobite, Aseri level, (470 mya). Exceptional quality and preservation! Authenticity guaranteed. Note - This specimen weighs 1.4 lbs. A shipping surcharge will apply to international orders.

XR146        Size: 3"  (1-3/4" W)  

Note - Adding 8 new Russian Trilobites in October 2024.    -->    Link to Russian Trilobites

An EXTRA LARGE beautifully prepared, Asaphus latus trilobite from the Vilpovitsy quarry, Saint Petersburg region, Russia. A very nice three lobe design. Interesting raised eyes to see in soft sediment. A Middle Ordovician trilobite, Aseri level, (470 mya). Exceptional quality and preservation! Authenticity guaranteed. Note - This specimen weighs 2.8 lbs. A shipping surcharge will apply to international orders.

XR145        Size:  4-1/8"  (2-5/8" W)  

Note - Adding 8 new Russian Trilobites in October 2024.    -->    Link to Russian Trilobites

A beautifully prepared, Asaphus kowalewskii trilobite from the Vilpovitsy quarry, Saint Petersburg region, Russia. There are also two Echinosphaerites, a genus of rhombiferan cystoid echinoderms.  This trilobite has a very nice three lobe design, and interesting extended eye stalks that have evolved to see in soft & murky sediment. A Middle Ordovician trilobite, Aseri level, (470 mya). Exceptional quality and preservation! Authenticity guaranteed. Note - This specimen weighs 2 lbs. A shipping surcharge will apply to international orders.

XR144        Size:  2-3/8"  (1-1/2" W)  

Note - Adding 8 new Russian Trilobites in October 2024.    -->    Link to Russian Trilobites

A beautifully prepared, Asaphus kowalewskii trilobite from the Vilpovitsy quarry, Saint Petersburg region, Russia. This trilobite has a very nice three lobe design, and interesting extended eye stalks that have evolved to see in soft & murky sediment. A Middle Ordovician trilobite, Aseri level, (470 mya). Exceptional quality and preservation! Authenticity guaranteed. Note - This specimen weighs 0.75 lbs. A shipping surcharge may apply to international orders.  On HOLD

XR143        Size:  2-7/8"  (1-9/16" W)  

Note - Adding 8 new Russian Trilobites in October 2024.    -->    Link to Russian Trilobites

A beautifully prepared, Asaphus kowalewskii trilobite from the Vilpovitsy quarry, Saint Petersburg region, Russia. This trilobite has a very nice three lobe design, and interesting extended eye stalks that have evolved to see in soft & murky sediment. A Middle Ordovician trilobite, Aseri level, (470 mya). Exceptional quality and preservation! Authenticity guaranteed. Note - This specimen weighs 0.8 lbs. A shipping surcharge may apply to international orders.

XR141        Size:  2-1/4"  (1-1/2" W)  

Note - Adding 8 new Russian Trilobites in October 2024.    -->    Link to Russian Trilobites

A LARGE, beautifully prepared, Asaphus kowalewskii trilobite from the Vilpovitsy quarry, Saint Petersburg region, Russia. This trilobite has a very nice three lobe design, and interesting extended eye stalks that have evolved to see in soft & murky sediment. A Middle Ordovician trilobite, Aseri level, (470 mya). Exceptional quality and preservation! Authenticity guaranteed.

XR142        Size:  3-1/4"  (1-7/8" W)  

Link to Russian Trilobites