Sold2021Polished 22.5 cm ammonite - Kranaosphinctes sp.Title: Polished 22.5 cm ammonite - Kranaosphinctes sp. Origin: Madagascar Date/Period: Jurassic, Oxfordian Dimensions: 22.5 cm diameter Description: Species: Kranaosphinctes sp. Age: Jurassic, OxfordiSee Sold Price
202241 cm Museum-display Ammonite Kranaosphinctes sp.Title: 41 cm Museum-display Ammonite Kranaosphinctes sp. Origin: Madagascar Date/Period: Jurassic, Oxfordian Dimensions: 41.5 cm diameter Description: Species: Kranaosphinctes sp. Age: Jurassic, OxforSee Sold Price
2021Exceptional 41 cm ammonite - Kranaosphinctes sp.Title: Exceptional 41 cm ammonite - Kranaosphinctes sp. Origin: Madagascar Date/Period: Jurassic Size: 41.5 cm diameter Description: Species: Kranaosphinctes sp. Age: Jurassic, Oxfordian Locality: SakSee Sold Price
2021Fine ammonite - Kranaosphinctes sp.Title: Fine ammonite - Kranaosphinctes sp. Origin: Madagascar Date/Period: Jurassic Size: 21.5 cm diameter Description: Species: Kranaosphinctes sp. Age: Jurassic, Oxfordian Locality: Sakaraha, 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
Sold2016Natural History - Cleoniceras Polished Ammonite PairCretaceous Period, Albian Stage, 113-100 million years BP. A group of two A-grade, cut and polished Cleoniceras sp. ammonites from Madagascar, polished through much of the shell to reveal the calciteSee Sold Price
Sold2015Natural History - Fossil Polished AmmoniteBacocian stage of the Jurassic Period, 168-172 million years BP. A large polished chambered ammonite Oolite sloenbachia sp. from Arbala, Middle Atlas Mountains, Morocco. 740 grams, 15cm (6"). PropertySee 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
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
Sold2017Large Polished AmmoniteCretaceous Period, Albian Stage, 113-100 million years BP. A large A-grade cut and polished Cleoniceras sp. ammonite from Madagascar, with the distinctive pattern of the cross-section chambers. 417 grSee 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
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
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
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
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
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
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
Sold2022Polished Fossil Goniatite GroupDevonian Period, 417-354 million years B.P. A group of three cut and polished goniatite ammonite halves, including possible Orthoceras sp. specimen in one. 437 grams total, 80-93 mm (3 1/8 - 3 5/8 in.See Sold Price
Sold2023Natural History - Polished Goniatite Button Fossil Ammonite GroupDevonian Period, 417-354 million years B.P. A group of five polished Goniatite sp. fossil ammonite 'buttons'. 590 grams total, 73-86 mm (2 7/8 - 3 3/8 in.). From Morocco, North Africa.Ex CambridgeshirSee Sold Price
Sold2017Natural History - Large Polished AmmoniteJurassic Period, Bacocian Stage, 168-172 million years BP. A large polished oolite Lytoceras sp. chambered ammonite from Arbala, Middle Atlas Mountains, Morocco, with the distinctive pattern of the crSee 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
Sold2021Polished Douvilleiceras Fossil Ammonite GroupMiddle Cretaceous, Albian Stage, 150 million years BP. A group of three Douvilleiceras sp. ammonites, sometimes known as a goat horn, polished to reveal the rich calcites and striking suture patterns.See Sold Price
Sold2022Polished Douvilleiceras Ammonite GroupCretaceous Period, circa 150 million years B.P. A group of four Douvilleiceras sp. fossil ammonites (sometimes known as goat horn), polished to reveal rich calcites and striking suture patterns; heldSee Sold Price
Featured6 days LeftJasper5235 cm Museum-display-quality Ammonite - 2 sides prepared - Euaspidoceras sp.$1,200
3 days LeftHeartland Artifact Auctions Inc4 15/16" Large High Quality Ammonite. Buietifuly Polished with Super Colors.$24(3 bids)