Search results for: 'agate 15 sperm with replacement first'

An EXTRA LARGE, Paraspirifer bownockeri brachiopod from the Silica Shale Fm., Sylvania, Ohio. Brachiopods are bivalve molluscs, and this is a big one. Both valves present  - complete specimen and matrix free. Note -  1-1/4" thick and heavy! This is a Devonian (395 mya) brachiopod. The big Silica Fm. brachiopod. Authenticity guaranteed. My largest Paraspirifer specimen!

Y001        SIZE: 2-1/4"  (1-1/4" Thick)

An EXTRA LARGE, Top Quality Bone Valley Galeocerdo aduncus, a Tiger shark tooth from Polk Co., Florida. Highest quality enamel. An excellent golden tan colored crown with a tan root. Incredible color!  Sharp edges. Excellent eye appeal. A Bone Valley collector's Tiger shark tooth. No repair or restoration. Authenticity guaranteed. You don't see these any more!

F142       SIZE:  1" 

Note - Adding 12 new BV G. aduncus shark teeth in April 2025.  ->  Link to BV G. aduncus teeth

A rare, ~3" GEM Great White transition shark tooth, Carcharodon hubbelli, from Chile. The C. hubbelli is an evolutionary transition from the non-serrated big-tooth Mako shark to the fully serrated Great White shark which takes place in the late Miocene period. A FANTASTIC, EXTRA LARGE GW Transition tooth. The BEST of the BEST!

C201T           Size: 2-15/16"

Excellent Heterodontus teeth - the Horn shark. Posterior teeth. Very scarce.

ST112           SIZE: 1/4"

A pair of gorgeous Kosmoceras sp. ammonites from the Saratov region of Russia. Incredible pyrite replaced ammonites. Natural shell exterior is well preserved. Middle Jurassic age. Authenticity guaranteed. Note - supply of these pyrite ammonites stopped in 2011. This is the last of my inventory.

XR225      Size: 15/16"

Adding 4 pyritized Ammonites in November 2022.    Link to Pyritized ammonites.

A LARGE, incredible natural Nautiloid ammonite from the Cretaceous of Madagascar. The aragonite shell is nicely articulated. Very wide (thick), fully inflated, and very heavy. Exceptional color and preservation. A gorgeous display item!  Authenticity guaranteed. Comes this the chrome steel stand as photographed. Note - This item weighs 6 lbs.  International customers will not have free shipping.

X276        Size: 5-5/8"   (4-1/4" wide)

Note - Adding 6 Madagascar ammonites in July 2023 -->   Link to Madagascar ammonites

A LARGE, incredible natural Nautiloid ammonite from the Cretaceous of Madagascar. The aragonite shell is nicely articulated. Very wide (thick), fully inflated, and very heavy. Exceptional color and preservation. A gorgeous display item!  Authenticity guaranteed. Comes this the chrome steel stand as photographed. Note - This item weighs 6.85 lbs.  International customers will not have free shipping.

X274        Size: 6"   (4-1/2" wide)

Note - Adding 6 Madagascar ammonites in July 2023 -->   Link to Madagascar ammonites

A LARGE, incredible natural Nautiloid ammonite from the Cretaceous of Madagascar. The aragonite shell is nicely articulated. Very wide (thick), fully inflated, and very heavy. Exceptional color and preservation. A gorgeous display item!  Authenticity guaranteed. Comes this the chrome steel stand as photographed. Note - This item weighs 7.35 lbs.  International customers will not have free shipping.

X273        Size: 6-1/4"   (4-11/16" wide)

Note - Adding 6 large Madagascar ammonites in July 2023 -->   Link to Madagascar ammonites

An EXTRA LARGE, incredible natural Nautiloid ammonite from the Cretaceous of Madagascar. A July Fossil of the Month. The aragonite shell is nicely articulated. Very wide (thick), fully inflated, and very heavy. Exceptional color and preservation. A gorgeous display item!  Authenticity guaranteed. Comes this the chrome steel stand as photographed. Note - This item weighs 8.5 lbs.  International customers will not have free shipping.

X272        Size: 7"   (4-13/16" wide)

Note - Adding 6 large Madagascar ammonites in July 2023 -->   Link to Madagascar ammonites

An exceptional natural Perisphinctes sp. ammonite showing the very nice external design from Saharaha, Madagascar. Jurassic age. Authenticity guaranteed.

X239       Size: 2-5/8"  

Note - Adding 12 Madagascar ammonites in December 2024  -->   Link to Madagascar ammonites

An exceptional natural Perisphinctes sp. ammonite showing the very nice external design from Saharaha, Madagascar. Jurassic age. Authenticity guaranteed.

X238       Size: 2-5/8"  

Note - Adding 12 Madagascar ammonites in December 2024  -->   Link to Madagascar ammonites

An exceptional natural Perisphinctes sp. ammonite showing the very nice external design from Saharaha, Madagascar. Jurassic age. Authenticity guaranteed.

X237       Size: 2-3/4"  

Note - Adding 12 Madagascar ammonites in December 2024  -->   Link to Madagascar ammonites