SOUTH DAKOTA AMMONITES FOR SALE

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!
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160 Items ($29 to $495)
Wide Fossil Ammonite Cluster - South Dakota #137271
8.6" Wide Fossil Ammonite Cluster - South Dakota
$495 $350
 
Two Iridescent Fossil Ammonites (Discoscaphites) - South Dakota #209666
Two Iridescent Fossil Ammonites (Discoscaphites) - South Dakota
$395
 
Iridescent Hoploscaphites Ammonite Fossil - Montana #209695
2.85" Iridescent Hoploscaphites Ammonite Fossil - Montana
$345
Iridescent Hoploscaphites Ammonite Fossil - South Dakota #270091
5.1" Iridescent Hoploscaphites Ammonite Fossil - South Dakota
$345
 
Cut & Polished Fossil Nautilus (Eutrephoceras) - South Dakota #285086
2.9" Cut & Polished Fossil Nautilus (Eutrephoceras) - South Dakota
$155
 
Fossil Ammonite (Placenticeras) - South Dakota #262701
7.1" Fossil Ammonite (Placenticeras) - South Dakota
$145
Fossil Nautilus (Eutrephoceras) - South Dakota #270092
2.5" Fossil Nautilus (Eutrephoceras) - South Dakota
$125
 
Fossil Ammonite (Placenticeras) - South Dakota #262690
4.85" Fossil Ammonite (Placenticeras) - South Dakota
$69 $62
 
Cretaceous Fossil Ammonite (Hoploscaphities) - South Dakota #242534
2.7" Cretaceous Fossil Ammonite (Hoploscaphities) - South Dakota
$45
Cretaceous Fossil Ammonite (Hoploscaphities) - South Dakota #242537
1.75" Cretaceous Fossil Ammonite (Hoploscaphities) - South Dakota
$29
 
Cretaceous Fossil Ammonite (Hoploscaphities) - South Dakota #242538
2.4" Cretaceous Fossil Ammonite (Hoploscaphities) - South Dakota
$29
 
Cretaceous Fossil Ammonite (Sphenodiscus) - South Dakota #242541
2.95" Cretaceous Fossil Ammonite (Sphenodiscus) - South Dakota
SOLD
SOLD
Museum Quality Placenticeras Ammonite - South Dakota #31427
Museum Quality 20.5" Placenticeras Ammonite - South Dakota
SOLD
SOLD
 
Placenticeras Ammonite With Phragmocone #31430
12.5" Placenticeras Ammonite With Phragmocone
SOLD
SOLD
 
World Class, Red Iridescent Hoploscaphities Ammonite #31408 Has video
World Class, Red Iridescent Hoploscaphities Ammonite
SOLD
SOLD
Sphenodiscus Ammonite with Inlaid Chrysocolla - South Dakota #93141
5.6" Sphenodiscus Ammonite with Inlaid Chrysocolla - South Dakota
SOLD
SOLD
 
Sphenodiscus Ammonite With Rare Purple Iridescence #31426
9.4" Sphenodiscus Ammonite With Rare Purple Iridescence
SOLD
SOLD
 
Red, Iridescent Hoploscaphites Ammonite Fossil - Montana #209664
3.75" Red, Iridescent Hoploscaphites Ammonite Fossil - Montana
SOLD
SOLD
Fossil Ammonites (Sphenodiscus) - South Dakota #144027
8.5" Fossil Ammonites (Sphenodiscus) - South Dakota
SOLD
SOLD
 
Iridescent Ammonite w/ Fairburn Agate Stand - South Dakota #209705
3.2" Iridescent Ammonite w/ Fairburn Agate Stand - South Dakota
SOLD
SOLD
 
Huge, Fossil Ammonite (Placenticeras) - South Dakota #144026
Huge, 12.5" Fossil Ammonite (Placenticeras) - South Dakota
SOLD
SOLD
Large, Fossil Ammonite (Sphenodiscus) - South Dakota #143837
Large, 9" Fossil Ammonite (Sphenodiscus) - South Dakota
SOLD
SOLD
 
Red Iridescent Ammonite (Hoploscaphites) - South Dakota #131228
2.6" Red Iridescent Ammonite (Hoploscaphites) - South Dakota
SOLD
SOLD
 
Fossil (Jeletzkytes) Ammonite - South Dakota #129526
4.6" Fossil (Jeletzkytes) Ammonite - South Dakota
SOLD
SOLD
Hoploscaphites Brevis Ammonite - South Dakota #77845
3.2" Hoploscaphites Brevis Ammonite - South Dakota
SOLD
SOLD
 
Fossil Discoscaphites Gulosus Ammonite - South Dakota #131223
2.3" Fossil Discoscaphites Gulosus Ammonite - South Dakota
SOLD
SOLD
 
Fossil Ammonite (Planticeras) in Rock - South Dakota #143839
7.1" Fossil Ammonite (Planticeras) in Rock - South Dakota
SOLD
SOLD
Hoploscaphites Ammonite In Concretion - South Dakota #98727
5.9" Hoploscaphites Ammonite In Concretion - South Dakota
SOLD
SOLD
 
Red, Iridescent Discoscaphites Ammonite - South Dakota #155431
2.35" Red, Iridescent Discoscaphites Ammonite - South Dakota
SOLD
SOLD
 
Iridescent Hoploscaphites Ammonite With Wood Stand - SD #93144
4.9" Iridescent Hoploscaphites Ammonite With Wood Stand - SD
SOLD
SOLD