South Dakota Ammonites For Sale - FossilEra.com

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The Upper Cretaceous-aged Fox Hills Formation and Pierre Shale of South Dakota produce a diverse array of beautiful ammonite fossils. These ammonites are typically found inside of hard concretions that are broken open, and then must be prepared using manual tools to remove the excess rock. FossilEra has a wide selection of these fine South Dakota ammonites for sale at great prices!

Museum Quality Placenticeras Ammonite - South Dakota #31427

Museum Quality 20.5" Placenticeras Ammonite - South Dakota

Placenticeras Ammonite With Phragmocone #31430

12.5" Placenticeras Ammonite With Phragmocone

World Class, Red Iridescent Hoploscaphities Ammonite #31408

World Class, Red Iridescent Hoploscaphities Ammonite

Sphenodiscus Ammonite with Inlaid Chrysocolla - South Dakota #93141

5.6" Sphenodiscus Ammonite with Inlaid Chrysocolla - South Dakota

Sphenodiscus Ammonite With Rare Purple Iridescence #31426

9.4" Sphenodiscus Ammonite With Rare Purple Iridescence

Pristine Fossil Ammonite (Hoploscaphites) - South Dakota #209665

3.85" Pristine Fossil Ammonite (Hoploscaphites) - South Dakota

Placenticeras meeki Ammonite - Opalescent Shell #6095

6.7" Placenticeras meeki Ammonite - Opalescent Shell

Placenticeras Ammonite Fossil - South Dakota #21641

11.2" Placenticeras Ammonite Fossil - South Dakota

Baculite & Ammonite Specimen - South Dakota #6099

14" Baculite & Ammonite Specimen - South Dakota

Rare Hoplocaphites spedini - Exceptional Specimen #6104

Rare Hoplocaphites spedini - Exceptional Specimen

Excellent Fossil Ammonite Cluster - South Dakota #131227

Excellent Fossil Ammonite Cluster - South Dakota

Iridescent Ammonite w/ Fairburn Agate Stand - South Dakota #209705

3.2" Iridescent Ammonite w/ Fairburn Agate Stand - South Dakota

Purple Flash Fossil Ammonite (Sphenodiscus) - South Dakota #285102

2.5" Purple Flash Fossil Ammonite (Sphenodiscus) - South Dakota

Hoploscaphites Brevis Ammonite - South Dakota #77845

3.2" Hoploscaphites Brevis Ammonite - South Dakota

Fossil Discoscaphites Gulosus Ammonite - South Dakota #131223

2.3" Fossil Discoscaphites Gulosus Ammonite - South Dakota

Hoploscaphites Ammonite Association- Pierre Shale, Montana #209669

8.2" Hoploscaphites Ammonite Association- Pierre Shale, Montana

Red, Iridescent Discoscaphites Ammonite - South Dakota #155431

2.35" Red, Iridescent Discoscaphites Ammonite - South Dakota

Iridescent Hoploscaphites Ammonite With Wood Stand - SD #93144

4.9" Iridescent Hoploscaphites Ammonite With Wood Stand - SD

Displayable Hoploscaphites Cluster - South Dakota #44013

Displayable Hoploscaphites Cluster - South Dakota

Hoploscaphites Brevis Ammonite With Gastropods #77847

3.2" Hoploscaphites Brevis Ammonite With Gastropods

Beautiful, Hoploscaphites Ammonite - South Dakota #77844

Beautiful, 2.95" Hoploscaphites Ammonite - South Dakota

Fossil Ammonite Cluster - South Dakota #115077

Fossil Ammonite Cluster - South Dakota

Gorgeous Hoploscaphites Ammonite Cluster - South Dakota #46866

Gorgeous Hoploscaphites Ammonite Cluster - South Dakota

Fox Hills Ammonite Concretion - Multiple Species #2064

Fox Hills Ammonite Concretion - Multiple Species

Hoploscaphites Ammonite Cluster with Baculites - South Dakota #60247

Hoploscaphites Ammonite Cluster with Baculites - South Dakota

Fossil Ammonite (Hoploscaphites) Cluster - South Dakota #115068

Fossil Ammonite (Hoploscaphites) Cluster - South Dakota

Stunning Hoploscaphities Comprimus - #12092

Stunning Hoploscaphities Comprimus - 2.1"

Two Species Of Hoploscaphites Ammonites Back To Back - South Dakota #155434

Two Species Of Hoploscaphites Ammonites Back To Back - South Dakota

Scaphites Ammonite Fossil in Rock - Kansas #93749

2" Scaphites Ammonite Fossil in Rock - Kansas