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)$160(14 bids)
2 5/8" Highly Polished Fossil Ammonite, Paleozoic to Mesozoic Era-Stunning Specimen with InclusionsHeartland Artifact Auctions4.7(868)$10(1 bid)2 days Left
SoldCut & Polished Split Pair, Agatized Ammonite Fossil from Madagascar w/Display Stand FOSSILSThese are between 100-113 million years old. Both approx 6.25"Lx5.25"TSee Sold Price
SoldAgatized AMMONITE FOSSIL from Madagascar with Display Stand. Wt: 1lb 14ozAgatized AMMONITE FOSSIL from Madagascar with Display Stand. Both are approximately 6 3/8"Long x 5.25"Wide. Total Weight: 1lb 14oz. ROCKS FOSSILS MINERALSSee Sold Price
SoldCut & Polished Split Pair, Agatized AMMONITE FOSSIL w/Stand. Wt: 2lbs 4ozThis Agatized AMMONITE FOSSIL has been cut and polised. Complete with Display Stand. From Madagascar. These are between 100-113 million years old. Both approximately 6.75" Long x 5.5" Wide. Total FossSee Sold Price
SoldAgatized AMMONITE FOSSIL from Madagascar with Display Stand. Wt: 2lb 2ozAgatized AMMONITE FOSSIL from Madagascar with Display Stand. Both are approx. 6 3/8"L x 5.25"W. Weight: 2lb 2oz. ROCKS FOSSILS MINERALSSee Sold Price
SoldPolished Split Pair, Agatized AMMONITE FOSSIL from Madagascar with Stand. Wt: 1lb 14ozThis Agatized AMMONITE FOSSIL has been cut and polised. Complete with Display Stand. From Madagascar. These are between 100-113 million years old. Both approximately 6 1/16" Long x 4 7/8" Wide. TotalSee Sold Price
SoldCut & Polished Split Pair, Agatized Ammonite Fossil from Madagascar w/Display Stand FOSSILSThese are between 100-113 million years old. Both approx 6.5"Lx5.5"TSee Sold Price
SoldCut & Polished Split Pair, Agatized Ammonite Fossil from Madagascar w/Display Stand FOSSILSThese are between 100-113 million years old. Both approx 6.25"Lx5.25"TSee Sold Price
SoldCut and Polished Agatized AMMONITE FOSSIL from Madagascar with a Display StandThis Agatized AMMONITE FOSSIL has been cut and polished. It is from Madagascar and comes with a metal Display Stand. These are between 100-113 million years old. Both sides measure approximatelySee Sold Price
SoldSplit Agatized AmmoniteCut and polished Cleoniceras ammonite fossil quarried near Mahajanga Province, Madagascar. Early Cretaceous, approximately 110 million years old. It exhibits beautiful mineralization within the chambeSee Sold Price
SoldRare Mesozoic Open Coil Heteromorph Ammonite FossilNorth Africa, Agadir, Morocco, mid-Cretaceous period, ca. 112 to 97 million years ago. Heteromorph or "uncoiled" ammonites are a type of cephalopod that are much more rare than typical solid coil ammoSee 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
SoldEnormous 'Arietites Bucklandi' Ammonite FossilArieties Bucklandi, Lower Jurassic 201.3-174.1 million years old, France. This huge Ammonite fossil is displayed in heavy stone matric suitable for exhibition in numerous settings. The stone has a gloSee 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
SoldMassive Jurassic Ammonite Fossil, 23" Diameter!This lot is oversized / heavy and may require 3rd party shipping - please inquire before bidding. Ancient Seas, Jurassic period, ca. 183 to 175.6 million years ago. This large ammonite fossil in theSee Sold Price
SoldMASSIVE XXL Raw AMMONITE Fossil, Weight: 68lbs 3ozThis is a Huge XXL Raw AMMONITE Fossil from Morocco. It weighs 68lbs 3oz and measures 20.25" Long x 17" Tall x 5.25" Thick. Ammonite fossils are the preserved remains of ammonoids, which were marine cSee 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 19" DIAMETER AMMONITE FOSSILFossil on stand. Dimensions: H 18" x W 19“ x D 4“ Condition: Few losses and breaks; appears to have repair to crack down center, as shown in photos, more visible on back. Structurally sound, alongSee Sold Price
SoldAmmonite Fossil on Custom Stand, 15"h x 19"w FossilAmmonite Fossil on Custom Stand, 15"h x 19"w FossilSee Sold Price
SoldLARGE GEOLOGICAL AMMONITE FOSSIL ON NICKEL BASE, 19"H X 23"WLarge geological ammonite fossil specimen, on polished nickel base, specimen: approx 19"h, 23"w, 5.5"d, overall: approx 24"h, 23"w, 6"d, 120.5lbsSee Sold Price
SoldCast Stone Ammonite Fossil Garden StatueA cast stone ammonite shell fossil garden sculpture. Campania, Quakertown PA. 24-1/2in tall x 18in wide.See Sold Price