Search results for: 'one piece good entri lion adding'

Petalodus alleghaniensis; an  Extinct Petalodont shark

A LARGE tooth. Beautifully articulated and preserved.  An exceptional collector's piece from an old collection!  The best available!

Age: Pennsylvanian (300 mya) ; Herta Limestone Fm.

Location: Crescent, Pottawattamie Co., Iowa        On HOLD

Z134             SIZE: 1-3/8" x  1-3/8" W

An EXTRA LARGE, rare shark vertebra. The vertebra remains in the original Round Mountain silt matrix - an excellent display piece. Very good preservation and color

ST953                 SIZE: 1-3/4"

Holmsella sp.; an  Extinct Primitive shark

A very rare shark skin specimen. This matrix piece is covered with dermal denticals. Shark skin impressions with denticals are extremely rare and a Paleozoic age find adds to the rarity. An exceptional collector's piece from an old collection!

Age: Pennsylvanian (295 mya) ; Dennis Fm.

Location: Hansen Quarry, La Platte, Nebraska

Z143         SIZE: 5-1/2"  x  4"

Holmsella sp.; an  Extinct Primitive shark

A very rare shark skin specimen. This matrix piece is covered with dermal denticals. Shark skin impressions with denticals are extremely rare and a Paleozoic age find adds to the rarity.  An exceptional collector's piece from an old collection!

Age: Pennsylvanian (295 mya) ; Dennis Fm.

Location: Hansen Quarry, La Platte, Nebraska

Z144            SIZE: 4" x 2-1/2"

"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 GEM, LARGE Seal Canine tooth from the Lee Creek mine, Aurora, No. Carolina. The seal teeth are rarely seen and they do not get any better quality than this one. An incredibly preserved Miocene seal canine tooth. A fantastic collector's tooth. It is ashame that there is no more access to the Lee Creek mine. This is an old collection piece.

LC971 BoP      Size: 1-15/16"

Deltodus sp.  ;  an Extinct Bradydont shark.  Excellent preservation and excellent surface articulation. Note the dimpled surface. A large top quality specimen!  Matrix free specimen - very rare! An exceptional collector's piece from an old collection!

Age: Pennsylvanian (300 mya) ; Stanton Fm. (Missourian)

Location: Louisville, Cass Co., Nebraska

Z127          SIZE: 1-1/4"

"The CLASSIC BIG DEVONIAN TRILOBITE" A LARGE, TOP QUALITY Drotops megamanicus trilobite on original matrix. It is beautifully prepared and fully exposed. Preparation is excellent with all original colors and no restoration. Incredible detail and completeness. Color is the natural black shell. Compound eyes are exceptionally preserved showing center dimples (see photos). All natural - an incredible display piece - only minor prep touch up requried. Middle Devonian age. Authenticity guaranteed. Museum Quality. A TOP QUIALITY BIG Moroccan trilobite from Issoumour, Alnif area. A fantastic Drotops megamanicus specimen. One of the best that I have offered!   Note - specimen wights 2.7 lbs. International orders will require supplemental postage. Please inquire.

XM51       Size: 4-3/4"  (2-5/8" Wide)

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

Peripristis semicircularis ; an  Extinct Petalodont shark

A very rare, well preserved tooth. Beautifully articulated. An exceptional collector's piece from an old collection!  The best available!  

Age: Pennsylvanian (300 mya) ; Stanton Fm. (Missourian)

Location: Louisville, Cass Co., Nebraska

Z148          SIZE: 3/4"

Petalodus alleghaniensis; an  Extinct Petalodont shark

A nice Posterior tooth. Beautifully articulated. Matrix free. An excellent collector's piece from an old collection!  

Age: Pennsylvanian (300 mya) ; Stanton Fm. (Missourian)

Location: Louisville, Cass Co., Nebraska

Z138            SIZE: 3/4" x  15/16" W

Poeciliodus sp.; an  Extinct Bradydont shark

A large crusher tooth. Exceptional preservation and excellent surface articulation. Matrix free. An exceptional collector's piece from an old collection!

Age: Pennsylvanian (300 mya) ; Stanton Fm. (Missourian)

Location: Louisville, Cass Co., Nebraska

Z140           SIZE: 15/16"

 Sandolodus sp.; an  Extinct Bradydont shark

An EXTRA LARGE crusher tooth. Exceptional preservation. Note the dimpled surface. An excellent collector's tooth. Matrix free - rare! An exceptional collector's piece from an old collection!

Age: Pennsylvanian (300 mya) ; Herta Limestone Fm.

Location: Crescent, Pottawattamie Co., Iowa

Z142          SIZE: 1"