Outstanding Iridescent Ammonite Fossil 110 Million Years Old Cleoniceras AmmoniteHeartland Artifact Auctions4.7(868)$10(1 bid)Feb 15, 2026
Outstanding Iridescent Ammonite Fossil 110 Million Years Old Cleoniceras AmmoniteHeartland Artifact Auctions4.7(868)$10Feb 15, 2026
1 3/4" Iridescent Fossil Ammonite, Cleoniceras, 110 Million yrs. oldHeartland Artifact Auctions4.7(868)$10(1 bid)2 days Left
Ammonite Fossil Found In Madagascar 240-66 Million Years Old Devonian Period To The CretaceousHeartland Artifact Auctions4.7(868)$10(1 bid)Feb 15, 2026
3 1/2" x 2 3/4" Highly Iridescent Fossil Ammonite, Cleoniceras, 110 Million yrs. oldHeartland Artifact Auctions4.7(868)$102 days Left
Big Whole Sutured and Polished AMMONITE Fossil from MadagascarWestern Sportsman LLC4.5(79)$50(20 bids)
Big Whole Sutured and Polished AMMONITE Fossil from MadagascarWestern Sportsman LLC4.5(79)$45(16 bids)
Fossil Ammonite 408 to 65 Million Years Old Paleozoic to Mesozoic EraHeartland Artifact Auctions4.7(868)$10(1 bid)Feb 15, 2026
Big Whole Sutured and Polished AMMONITE Fossil from MadagascarWestern Sportsman LLC4.5(79)$200(21 bids)
Big Whole Sutured and Polished AMMONITE Fossil from MadagascarWestern Sportsman LLC4.5(79)$40(14 bids)
XL Whole Sutured and Polished AMMONITE Fossil from MadagascarWestern Sportsman LLC4.5(79)$110(13 bids)
Big Whole Sutured and Polished AMMONITE Fossil from MadagascarWestern Sportsman LLC4.5(79)$160(13 bids)
Big Whole Sutured and Polished AMMONITE Fossil from MadagascarWestern Sportsman LLC4.5(79)$70(12 bids)
SoldRainbow ammonite fossil specimenOpalized ammonite specimen-iridescent material in shell - possibly from Canada possible 400 million years oldSee Sold Price
SoldRainbow fossil ammonite specimenRainbow fossil ammonite specimen iridescent colors and nice finish on this natural fossil specimen. About 2- 3 inches and a condition is nice generally.See Sold Price
SoldAmmonite specimen opalized fossilAmmonite pearlized fossil 250 - 500 million years old with brillian silver rainbow colors - condition is good for its age -about 1 1/2 x 1 3/4 inchesSee Sold Price
SoldAmmonite specimen pearlized fossilAncient fossilized ammonite pearlized and showing rainbow sheen -about 2 inches in diameter and approx. 250 million plus years old - good condition especially for its age.See Sold Price
SoldLarge ammonite fossil specimen, ex PhillipsLarge ammonite fossil specimen, ex Phillips, Cretaceous Period, North America, likely the Bearpaw formation, opalescent ammonite (Placenticeras meeki) with fiery iridescent Ammolite, 21"h x 22"w x 5"dSee Sold Price
SoldACANTHOCERAS AMMONITE FOSSIL SPECIMEN ON BASEOversized Acanthoceras ammonite fossil specimen, on a black rectangular base, apparently unmarked. Approximate Dimensions: overall h. h. 24", w. 14.75", d. 9".See Sold Price
SoldLarge Ammonite fossil specimenLarge Ammonite fossil specimen, Mounted on patinated metal stand, 14.5"h x 18"w (fossil), 17"h (incl. stand)See Sold Price
SoldHuge double ammonite fossil specimenHuge double ammonite fossil specimen, Two beautifully preserved fossilized spiral shells on shale, mounted on natural stone base and slate plinth, 17"h x 14"l x 10"w (total), 12"dia x 7"d (larger), 7"See Sold Price
SoldLarge Ammonite Fossil SpecimenLarge Ammonite Fossil Specimen, median-line cut with quartz crystal inclusions. 13.75" L x 11.5" W x 3" D. Keywords: Fossils, Mineral specimens, Jurassic, CretaceousSee Sold Price
Sold(2) AMMONITE FOSSIL SPECIMENS ON MARBLE BASES(lot of 2) Fossilized ammonite specimens, Madagascar, each mounted on a black marble base, largest specimen: approx 5"h, 4.75"w, largest overall: approx 8 3/8"h, 4.75"w, 3.5"d, 6.75lbs total Start PriSee Sold Price
SoldMOROCCAN AMMONITE FOSSIL SPECIMEN ON ACRYLIC BASEFossilized ammonite specimen, Morocco, mounted on an acrylic base, specimen: approx 7"h, 6"w, overall: approx 8.75"h, 6"w, 3.75"d, 5lbs Start Price: $100.00See Sold Price
SoldAMMONITE FOSSIL SPECIMEN ON ACRYLIC BASEAmmonite fossil specimen, mounted on an acrylic base, specimen: approx 10.5"h, 9"w, 2.5"d overall: approx 12.75"h, 9"w, 4"d, 20.2lbs Start Price: $150.00See Sold Price
SoldAn orthoceras and ammonite fossil specimenAn orthoceras and ammonite fossil specimen20th/21st centuryComprising one orthoceras and three ammonite cephalopod fossils, each polished in relief within a polished matrix embedded with smaller fossiSee Sold Price
SoldGEOLOGICAL AMMONITE FOSSIL SPECIMEN ON BLACK GRANITE BASEGeological ammonite fossil, on black granite base, specimen: approx 12.5"h, 10.75"w, 2.5"d, overall: approx 14"h, 10.75"w, 5"d, 20.25lbsSee Sold Price
SoldACANTHOCERAS AMMONITE FOSSIL SPECIMEN ON STANDAcanthoceras ammonite fossil specimen, on a curved custom iron stand, apparently unmarked. Approx. of the fossil h. 7", w. 8.75", d. 4".See Sold Price
SoldXL 16 lb AMMONITE Fossil SpecimenXL AMMONITE Fossil Specimen from Morocco. It measures 11" Long x 9.5" Wide x 4" Thick and the Total Weight is 16 lbs 13 oz. The Ammonite shells are well-preserved as fossils in marine sedimentary rockSee Sold Price
SoldXL 17 lb AMMONITE Fossil Specimen from MoroccoXL AMMONITE Fossil Specimen from Morocco. It measures 12" Long x 9" Wide x 4" Thick and the Total Weight is 17 lbs 3 oz. This Ammonite fossil is the preserved remains of an extinct marine molluskSee Sold Price
SoldGEOLOGICAL AMMONITE FOSSIL SPECIMEN ON ACRYLIC BASEGeological ammonite fossil specimen, on polished nickel rod and colorless acrylic base, specimen: approx 10"h, 8"w, 4"d, overall: approx 12"h, 7.5"w, 5"d, 11.25lbsSee Sold Price
SoldBig 12 lb AMMONITE FOSSIL Specimen from MoroccoBig AMMONITE FOSSIL Specimen from Morocco. It measures 9.5" Long x 8.5" Wide x 4" Depth and Weighs 12 lbs 2 oz. Ammonite fossils are found in various locations around the world, including Antartica. RSee Sold Price
SoldAMMONITE FOSSIL SPECIMEN ON ACRYLIC BASEAmmonite fossil specimen, mounted on an acrylic base, approx 14"h, 7"w, 5"d, 9.75lbs Start Price: $100.00See Sold Price
SoldSuture Shell Ammonite Fossil Specimen.This halved ammonite has suture patterns and iridescence on is back side with a polished front. There is a Natural crack that appears to have been filled to its lower portion. It measures 11 1/2" longSee Sold Price
SoldLarge Ammonite Fossil Specimen - Mesozoic Era.Large Ammonite Fossil Specimen - Mesozoic Era. Fossilized specimen with 4 ammonites and one oblong fossil. Polished invertebrate specimens with roughened background stone. 24 1/2" L x 15" W.See Sold Price
SoldAn orthoceras and ammonite fossil specimenAn orthoceras and ammonite fossil specimen20th/21st centuryComprising two orthoceras and three ammonite cephalopod fossils, each polished in relief within a chisel-prepared matrix, displayed on a plasSee Sold Price
SoldA Bisected Ammonite Fossil Specimen.A Bisected Ammonite Fossil Specimen. Together with an Eocene period fossil with two fish 5.5" x 4.5" x .5"See Sold Price
