Sold2018Rare 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
Sold2021Rare Ammonite Fossil Table SculptureOpalized ammonite fossil table sculpture, ammonites are a group of extinct marine mollusc animals of the class cephalopods, that are often found as fossils in marine rocks dating from the Devonian PerSee Sold Price
Sold2015SUPERB PRECIOUS GEM AMMOLITESUPERB PRECIOUS GEM AMMOLITEPlacenticeras costatumUpper CretaceousBearpaw Formation, Alberta, CanadaSo beautiful are these rare ammonite fossils that the transformed material of their shell lining hasSee Sold Price
Sold2015491g Rare Hyphantoceras Reussianum Ammonite FossilRare well preserved specimen; 5"See Sold Price
Sold2017491g Rare Hyphantoceras Reussianum Ammonite FossilRare well preserved specimen; 5"See Sold Price
Sold2017239g Rare Hyphantoceras Reussianum Ammonite FossilRare well preserved specimen; 4"See Sold Price
Sold2017491g Rare Hyphantoceras Reussianum Ammonite FossilRare well preserved specimen; 5"See Sold Price
Sold2017239g Rare Hyphantoceras Reussianum Ammonite FossilRare well preserved specimen; 4"See Sold Price
Sold2017491g Rare Hyphantoceras Reussianum Ammonite FossilRare well preserved specimen; 5"See Sold Price
Sold2016743g Rare Hyphantoceras Reussianum Ammonite FossilRare well preserved specimen; 6"See Sold Price
Sold2017743g Rare Hyphantoceras Reussianum Ammonite FossilRare well preserved specimen; 6"See Sold Price
Sold2016743g Rare Hyphantoceras Reussianum Ammonite FossilRare well preserved specimen; 6"See Sold Price
Sold2016844g Rare Hyphantoceras Reussianum Ammonite FossilRare well preserved specimen; 7"See Sold Price
Sold2018743g Rare Hyphantoceras Reussianum Ammonite FossilRare well preserved specimen; 6"See Sold Price
Sold2022Ammonite, Fossil, Rock, Natural, Collectible, SpecimenFossil Rare Ammonite Form Silurian ~ China 9ozSee Sold Price
Sold2022Ammonite, Fossil, Rock, Natural, Collectible, SpecimenFossil Ammonite with Rare Fossil Cephelopod (Orthoconid) in Living Chamber 100 M.Y.O. MadagascarSee Sold Price
Sold2023Natural History - Rare British Fossil Eteoderoceras Ammonite Display with Amazing SpinesJurassic Period, Sinemurian, circa 200 million years B.P.. Showing the partial remains of a Eteoderoceras sp. fossil ammonite. 982 grams, 14.5 cm (5 3/4 in.). From North Yorkshire, UK.See Sold Price
Sold2015Cretaceous Heteromorph Ammonite Fully ExposedMorocco, Mid-Cretaceous period, 112-99.6 million years ago. This RARE ammonite is of a type that is much more scarce than typical solid coil ammonites. This type here is called a heteromorph and it feSee Sold Price
11 hrs LeftEasterly Auction CompanyAmmonite, Fossil, Rock, Natural, Collectible, Pendant, SterlingUS$25(1 bid)
Oct 06Heartland Artifact Auctions Inc3" x 2 1/2" Polished Ammonite Fossil, Beautiful ColorUS$5(1 bid)
4 days LeftKsmith Jewels GlobalRare Opal Fossil Lightning Ridge Fossilized Opal 100.18cts 16.6x12x4.2MMUS$35(1 bid)