6 3/8" x 2" Flat-backed Fossil Orthoceras, Polished Top, Devonian Period, from the Atlas MountainsHeartland Artifact Auctions4.7(867)$104 days Left
Big Whole Sutured and Polished AMMONITE Fossil from MadagascarWestern Sportsman LLC4.5(79)$40(14 bids)
Jurassic Dinosaur Poop Fossil Coprolite , Age 156-146 million Years Old Discovered in UtahHeartland Artifact Auctions4.7(867)$10Feb 15, 2026
Big Whole Sutured and Polished AMMONITE Fossil with a Crystal Cave!Western Sportsman LLC4.5(79)$40(13 bids)
Big Whole Sutured and Polished AMMONITE Fossil from MadagascarWestern Sportsman LLC4.5(79)$35(6 bids)
Fossil-Bearing Sedimentary Rock Specimen Rock Stone Lapidary SpecimenCol. Christie Hatman Auctioneers4.4(471)$142 days Left
XL Whole Sutured and Polished AMMONITE Fossil from MadagascarWestern Sportsman LLC4.5(79)$10(1 bid)1 day Left
Jurassic Dinosaur Poop Fossil Coprolite , Age 156-146 million Years Old Discovered in UtahHeartland Artifact Auctions4.7(867)$10Feb 15, 2026
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)$60(9 bids)
Big Whole Sutured and Polished AMMONITE Fossil from MadagascarWestern Sportsman LLC4.5(79)$50(10 bids)
XL Whole Sutured and Polished AMMONITE Fossil from MadagascarWestern Sportsman LLC4.5(79)$15(2 bids)1 day Left
400 Million Years Old Polished Orthoceras Fossil Devonian Period Atlas Mountains Of MoroccoHeartland Artifact Auctions4.7(867)$10Feb 15, 2026
FOSSIL BONE CABOCHON ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.4(471)$52 days Left
SoldBaculite Fossil with Shell IridescenceWonderful ancient fossilized baculite fossil with a lovely iridescent layer to the shell. Baculites is an extinct genus of heteromorph ammonite cephalopods with almost straight shells. Size 2 1/2" L xSee Sold Price
SoldGorgeous Baculite Fossil with IridescenceWonderful section of an ancient Baculite, fossilized over millions of years ago. Pealing iridescence throughout. Size 2" L x 1" W x 4" H, weight 200gSee Sold Price
SoldPrehistoric Nautiloid Shell Fossil w/ IridescenceAncient Seas, Likely East Africa or Madagascar, Late Jurassic to Cretaceous Period, ca. 155 to 66 million years ago. A beautifully polished prehistoric nautilus shell featuring areas of fiery iridesceSee Sold Price
SoldLarge Fossilized Ammonite w/ Stunning IridescenceAncient seas, Paleozoic period. ca. 400 million years ago. A gorgeous and large ammonite fossil with shimmering iridescence. The shell is nicely preserved, and the creamy white surface is polished toSee Sold Price
SoldOpalized Iridescent Baculite Chalodop FossilsGroup of seven collectible opalized iridescent baculite chalodop fossil sculptures, wherein one with a stand, baculite is an extinct genus of cephalopods with a nearly straight shell, included in theSee Sold Price
SoldLg Opalized Fossil Baculite Table SculptureBaculites is an extinct genus of cephalopods with a nearly straight shell, included in the heteromorph ammonites. The genus, which lived worldwide throughout most of the Late Cretaceous, was named bySee 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
SoldNatural Iridescent Fossil AmmoniteCretaceous Period, 115 million years B.P. A Madagascan ammonite showing natural iridescence on shell surface. 157 grams, 86 mm (3 3/8 in.). From Madagascar. Private Shropshire, UK collection. [No ReseSee Sold Price
SoldNatural History - Iridescent Fossil AmmoniteCretaceous Period, circa 113-100 million years B.P.. Cleoniceras besairiei with large portions of the shell with rainbow iridescence. 242 grams, 10 cm (4 in.). From a Lincolnshire, UK, collection. [NoSee Sold Price
SoldFossilized Ammonite w/ Fiery Ammolite SurfacePaleozoic period. ca. 400 million years ago. A vibrant and large ammonite fossil that has opalized and developed shimmering iridescence from ammolite formations. The shell is nicely preserved, and theSee Sold Price
SoldFossilized Ammonite Shell w/ Fiery Iridescent AmmoliteNorth America, Canada, Alberta, Bearpaw formation, late Cretaceous, ca. 71 million years ago. A beautiful ammonite fossil has formed a fiery iridescence across the surface known as ammolite- an exceedSee Sold Price
SoldHuge Tridacna Fossil Shell, Late Miocene to Late PleistoceneThis lot is oversized / heavy and may require 3rd party shipping - please inquire before bidding. Ancient Seas, ca. 5 million to 180,000 years old. This remarkable fossil specimen is a massive shellSee Sold Price
SoldGiant fossil shell - Out of matrix - Fossilised animal - Campanile giganteum - 40 cmName : Campanile giganteum Age : Eocene, Lutetian stage Findspot : Compiègne, France Size of the shell : 40 cm This is an outstanding fossil . It measures 40 cm .It has been prepared out of matrix. PSee Sold Price
SoldTwo Fossil Shell Rings, Choiseul Solomon IslandsTraditional Currency.Ex. Private German collection.3 in. x 3 in. / 7.62 cm. x 7.62 cm.2.5 in. x 2 in. / 6.35 cm. x 5.08 cm.See Sold Price
SoldGiant fossil shell - Out of matrix - Fossilised animal - Campanile giganteum - 20.5 cmName : Campanile giganteum Age : Eocene, Lutetian stage Findspot : Compiègne, France Size of the shell : 20.5 cm This is an outstanding fossil . It measures 20.5 cm .It has been prepared out of matriSee Sold Price
SoldA rare fossil shell - Out of matrix - Fossilised animal - Tenagodes striatus - 14 cmRare! Name : Tenagodes striatus Age : Eocene, Lutetian stage Findspot : Villiers St Frédéric, France Size of the shell : 14 cm as it is, but over 28 cm if measurement along the curve. This iSee Sold Price
SoldA fine fossil shell - Fossilised animal - Rhynchostreon suborbiculatum - 9.3 cmName: Rhynchostreon suborbiculatum Age: Cretaceous, Turonian Origin: Angoulême, Charente, France Shell length: 9.3 cm Note the presence of 3 specimens in total. Reserve: $70.00 Shipping: Domestic: FlSee Sold Price
SoldHigh Grade Ammonite Fossil Shell, Found in MadagascarHigh Grade Ammonite Fossil Shell, Found in MadagascarSee Sold Price
Jurassic fossil shell : Plagiostoma giganteaAge: Jurassic - Toarcian stage Origin: Airvault quarry - France Size of slab: 18 x 9.2 cm Size of fossil: 10.5 and 7.3cm Weight: 1.1 kg This slab shows 2 completely natural fossil shells .The stone haSee Sold Price
SoldCharles Albert Amethyst Fossil Shell 3 Inch Pendant Sterling Silver Necklace 18 Inch Chain 51 GramsCharles Albert Amethyst Fossil Shell 3 Inch Pendant Sterling Silver Necklace 18 Inch Chain 51 GramsSee Sold Price
SoldVintage Nautilus Ammonite Fossil Shell Sterling Silver BraceletThis is a vintage nautilus fossil and bead sterling silver studio bracelet. 8 1/2" long. 58.4g.See Sold Price
SoldPalaeontology New-York 1847 Lot 12 Fossil Shell PrintsLithographs Published 1847, Albany for the "Palaeontology of New-York" by James Hall. Part of the "Natural History of New York" series. Paper Size: 11.5 x 9 inch (29 x 23cm) Good ConditionSee Sold Price
SoldTWO DECORATIVE FOSSIL SHELL PLAQUESTWO DECORATIVE FOSSIL SHELL PLAQUES Two round shells with a long black and gray oblong shell in the middle set in a zen garden lined plaster rectangle. 10See Sold Price
SoldVintage Nautilus Ammonite Fossil Shell Sterling Silver BraceletThis is a vintage nautilus fossil and bead sterling silver studio bracelet. 9" long and 62g.See Sold Price