Sold110+ Million Year Old Cleoniceras Ammonite Fossil Pair - Tulear Madagascar - Middle Cretaceous AgeDetails: Cleoniceras Ammonite fossil pair from Tulear Madagascar, Middle Cretaceous Age. Approximately 110+ million years old. This fossils measures 5.5" each on the longest side. A remarkable specimeSee Sold Price
Sold2024Natural History - Polished Fossil Cleoniceras AmmoniteCretaceous Period, circa 113-100 million years B.P. Polished to reveal the internal suture lines, some iridescence to the centre. 188 grams, 93 mm (3 5/8 in.). From Madagascar. From a Lincolnshire, UKSee Sold Price
Sold2021Large Polished Cleoniceras Fossil AmmoniteCretaceous Period, Albian Stage, 150 million years BP. A large polished fossil Cleoniceras sp. ammonite with rich calcites and striking suture patterns. 500 grams, 13.2cm (5 1/4"). From the collectionSee Sold Price
Sold2022Iridescent Cleoniceras Fossil Ammonite GroupCretaceous Period, 145-65 million years B.P. A group of five natural iridescent rainbow shell Cleoniceras besairiei ammonites; held in a white card collector's tray. 30-39 grams, 45-52 mm width (182 gSee Sold Price
Sold2021Polished Fossil Ammonite GroupCretaceous Period, 145-65 million years BP. A group of three polished Cleoniceras sp. fossil ammonites with opal lustre to the centres. 240 grams total, 64-70mm (2 1/2 - 2 3/4"). From a CambridgeshireSee Sold Price
Sold2022Large Polished Fossil Ammonite PairCretaceous Period, 145-65 million years B.P. A matching pair of cut and polished fossil Cleoniceras sp. ammonite halves, displaying the distinctive pattern of the chambers. 765 grams total, 15.1 cm eaSee Sold Price
Sold2018iridescent Cleoniceras ammoniteTitle: iridescent Cleoniceras ammonite Date/Period: Cretaceous (110 million years old) - Mahajanga Province, Madagascar Materials: fossil ammonite Dimensions: / (68 x 53 x 20 mm / 82,5 g) The offeredSee Sold Price
Sold2018Cut and Polished Fossil Ammonite PairAlbian Cretaceous Period, 113-100 million years BP. A large A-grade cut and polished pair of Cleoniceras sp. ammonite displaying the distinctive pattern of the chambers; with card tray. 520 grams totaSee Sold Price
Sold2024Natural History - Cut and Polished Fossil AmmoniteCretaceous Period, circa 150 million years B.P.. Cleoniceras sp. displaying the distinctive pattern of the cross-section chambers. 269 grams total, 10.5-10.7 cm (4 1/8 - 4 1/4 in.). From Madagascar.CoSee Sold Price
Sold2021Cut and Polished Fossil Ammonite PairCretaceous Period, 145-65 million years BP. A cut and polished Cleoniceras sp. ammonite pair with the distinctive pattern of the cross-section chambers, with surface lustre. 306 grams total, 11-11.9cmSee Sold Price
Sold2018Cut and Polished Fossil Ammonite PairAlbian Cretaceous Period, 113-100 million years BP. A large A-grade cut and polished pair of Cleoniceras sp. ammonite displaying the distinctive pattern of the chambers; with card tray. 429 grams totaSee Sold Price
Sold2018Cut and Polished Fossil Ammonite PairAlbian Cretaceous Period, 113-100 million years BP. A large A-grade cut and polished pair of Cleoniceras sp. ammonite displaying the distinctive pattern of the chambers; with card tray. 503 grams, 13cSee Sold Price
Sold2024Natural History - Cut and Polished Fossil Ammonite PairCretaceous Period, circa 113-100 million years B.P. Comprising a polished Cleoniceras sp. ammonite cut into halves and showing the internal crystallisation of the gas chambers. 124 grams total, 69 mmSee Sold Price
Sold2023Natural History - Cut and Polished Fossil AmmoniteMiddle Cretaceous Period, circa 150 million years B.P. Cleoniceras sp. displaying the distinctive pattern of the cross-section chambers, some iridescence to outer surfaces. 220 grams, 95 mm each (3 3/See Sold Price
Sold2023Natural History - Cut and Polished Fossil AmmoniteJurassic Period, 199-145 million years B.P. A pair of cut and polished fossil ammonite halves, each displaying the gas chambers; possibly Cleoniceras sp. 172 grams total, 95-97 mm (3 3/4 - 3 7/8 in.).See Sold Price
Sold2021Cut and Polished Fossil Ammonite PairCretaceous Period, Albian Stage, 113-100 million years BP. A cut and polished Cleoniceras sp. ammonite in two halves, displaying the distinctive pattern of the cross-section chambers. 274 grams total,See Sold Price
Sold2024Natural History - Iridescent Fossil AmmoniteCretaceous Period, circa 113-100 million years B.P. A naturally iridescent Cleoniceras besairiei ammonite. 83 grams, 68 mm (2 5/8 in.). From a Lincolnshire, UK, collection. Property of a CambridgeshirSee Sold Price
Sold2023Natural History - Cut and Polished Fossil AmmoniteMiddle Cretaceous Period, 150 million years B.P.. Polished to reveal the distinctive structure of the Cleoniceras sp. chambers, some iridescence. 124 grams total, 77-81 mm (3 - 3 1/8 in.). From MadagaSee Sold Price
Sold2022Polished Fossil AmmoniteCretaceous Period, 145-65 million years B.P. A Cleoniceras sp. ammonite polished through parts of the shell to reveal some of the calcite preserved inside, showing the dividing gas chambers known as sSee Sold Price
Sold2017Natural History - Cut and Polished Fossil AmmoniteCretaceous Period, Albian Stage, 113-100 million years BP. A group of eight small A-grade cut and polished Cleoniceras sp. ammonites from Madagascar, with the distinctive pattern of the cross-sectionSee Sold Price
Sold2024Natural 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
Sold2022Cut and Polished Fossil AmmoniteCretaceous Period, 145-65 million years B.P. A cut and polished Cleoniceras sp. ammonite displaying the distinctive pattern of the cross-section chambers. 138 grams total, 67-71 mm (2 1/2 - 2 3/4 in.)See Sold Price
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
Sold2024ACANTHOCERAS 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
5 days LeftDuMouchellesAmmonite Fossil Specimens, Jurassic-Cretaceous Period, H 5.5" W 7" Depth 3" 2 pcsUS$100
1 day LeftHeartland Artifact Auctions Inc4" Tractor Ammonite Fossil- Remarkable Specimen-Highly CollectibleUS$10(1 bid)
Jun 15Treasure of Gems & JewelryNatural Yellow Brown Ammonite Fossil 63.82 Ct. 2 Pcs. Unheated From MadagascarUS$1
Jun 16Palmyra Heritage GalleryGroup of 4 Fossils: 1) Ammonites, 2) Trilobite & 3) Orthoceras.US$50(1 bid)
Jun 27Weatherham Estate TreasuresLarge Ammonite Spiral Fossil Pair Specimens Display Crystal Rocks MineralsUS$80