Sold2023Natural History - Fossil Ammonite GroupJurassic Period, circa 200 million years B.P. Promicroceras planicosta with iron stained surface giving a beautiful contrast in colour, from the Lower Lias, Obtusum Zone. 42.53 grams, 67 mm (2 3/5 in.See Sold Price
Sold2023Natural History - Large Fossil AmmoniteLate Cretaceous Period, Cenomanian-Turonian Stages, circa 100- 90 million years B.P.. A freestanding example of a large Mammites nodosoides fossil ammonite. 3 kg, 20 cm (7 7/8 in.). From Morocco, NortSee Sold Price
Sold2023Natural History - Large British Amaltheus Fossil Ammonite DisplayJurassic Period, circa 180-185 million years B.P.. Presenting an Amaltheus stokesi fossil ammonite in a matrix, together with other fossil inclusions. 1.2 kg, 17.5 cm (6 7/8 in.). From Hawsker, NorthSee Sold Price
Sold2023Natural History - Polished Douvilleiceras Fossil Ammonite GroupMiddle Cretaceous Period, circa 150 million years B.P. Comprising three Douvilleiceras sp. specimens (sometimes known as a Goat Horn), polished to reveal rich calcites and suture patterns. 160 grams tSee Sold Price
Sold2019Natural History Fossil Fish and Ammonite GroupCretaceous Period, 200-65 million years BP. Group comprising: a small ammonite, cut and polished in two halves, with two small fossil fish specimens, in matrix. 618 grams total, 3.2-14.7cm (1 1/4 - 5See Sold Price
Sold2024Natural History - British Fossil Ammonite Nodule GroupJurassic Period, Toarcian Stage, 182-174 million years B.P. Comprising two opened nodules showing the negative and positive of Dactylioceras commune fossil. 709 grams total, 65-89 mm (2 1/2 - 3 1/2 inSee 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 - Historic Ammonite Fossil GroupMiddle Jurassic, Inferior Oolite, Aalenian Stage, 170 million years BP. A group of two fossil ammonites on matrix, one Graphoceras sp. and the other possibly Leioceras sp., in old white card trays, onSee Sold Price
Sold2019Natural History - Large Whitby FossilLower Jurassic, Toarcian Stage, Upper Lias, Grey Shales, 199-175 million years BP. A large split Dactylioceras commune ammonite nodule, showing both positive and negative aspects, from Whitby, UK. 632See Sold Price
Sold2022Large Natural Fossil Ammonite Clusterimpressive natural form fossil group with 7 polished ammonite specimens in stone matrix slab. 17" high, 24" wide, 2 3/4" deep. Property of a Westport, CT Collector.See 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
Sold2023Natural History - Polished Fossil Ammonite PlateJurassic Period, circa 199-145 million years B.P. A composite plate containing a large number of variously sized ammonites, polished upper face. 835 grams, 24.7 cm (9 3/4 in.). From Madagascar. From aSee 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
Sold2017Natural History - Historic Crinoid Fossil GroupCarboniferous Period 359-299 million years BP. A group of three large diameter (up to 33mm) crinoid stems, in white card trays with A.B. Cotterill Collection, Wollaton, Nottingham, UK, labels. 271 graSee Sold Price
Sold2017Natural History - Collection of British Fossils350-100 million years BP. A group of ten British ammonites of mixed species, five accompanied by catalogue cards, two of which have Natural History Museum identification labels. 3.39 kg, 60-120mm (2 1See 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
Sold2023Natural History - Mixed Fossil GroupJurassic to Carboniferous Period, 199-3 million years B.P.. Mostly consisting of various species of ammonite, together with a number of shells. 362 grams total, 10-87 mm (3/8 - 3 3/8 in.). Acquired onSee Sold Price
Sold2017Natural History - Historic Mixed Fossil GroupCarboniferous-Cretaceous Period, 359-66 million years BP. A group of six fossils of different cllasses and periods, including four bivalves, a goniatite, and an ammonite, five in old white card traysSee Sold Price
Sold2023Natural History: Fossil AmmoniteAmmonoidea coiled shell cephalopod, probably Devonian to late Cretaceous period. [9 1/4 x 12 1/2 x 3 3/4 inches].See Sold Price
Sold2023Natural History - Large Fossil Orthoceras 'Rocket' DisplayDevonian Period, circa 417-354 million years B.P. The extinct nautiloid cephalopod polished to reveal the internal gas chambers and set on a textured freestanding matrix. 15.8 kg, 1.01 m (39 3/4 in.).See Sold Price
Sold2023Natural History - Large Fossil Cambropallas TrilobiteDevonian Period, 417-354 million years B.P. A large fossil Cambropallas sp. trilobite in a matrix. 2.7 kg, 29 cm (11 3/8 in.). From Morocco, North Africa.Ex Cambridgeshire, UK, collection. [No ReserveSee Sold Price
Sold2023Natural History - Large Fossil Echinoid Display PairCretaceous Period, circa 100 million years B.P.. Featuring two echinoid specimens in an irregular matrix. 2.8 kg, 17.5 cm (7 in.). From Morocco, North Africa. [No Reserve]See Sold Price
Sold2017Very Large Fossil Ammonite GroupJurassic - Cretaceous Period, 201-66 million years BP. A group of ten ammonites of several species from different geological time periods. See http://jurassiccoast.org/fossilfinder/ 3.6kg total, 7-11cSee Sold Price
Sold2024Natural History - Fossil Ammonite CollectionJurassic Period, circa 200-145 million years B.P. Comprising six specimens, including two Perisphinctes sp., a Dactylioceras sp. and two iridescent specimens. 190 grams total, 31-64 mm (1 1/4 - 2 1/2See Sold Price
Jun 24Claydon Auctioneers LtdNatural History / Geology Interest: A large polished hardstone specimen sphere. Approx. 6" diameter£30
2 days LeftTreasure of Gems & JewelryNatural Yellow Brown Ammonite Fossil 63.82 Ct. 2 Pcs. Unheated From Madagascar$5(3 bids)
Jun 27Weatherham Estate TreasuresLarge Ammonite Spiral Fossil Pair Specimens Display Crystal Rocks Minerals$80
Jun 24Claydon Auctioneers LtdNatural History / Geology Interest: A very large amethyst crystal geode. Approx. 24" wide Please£100
2 days LeftPalmyra Heritage GalleryGroup of 4 Fossils: 1) Ammonites, 2) Trilobite & 3) Orthoceras.$50(1 bid)
Jul 11Eldred'sTWO HAND-COLORED ENGRAVINGS BY ELEAZAR ALBIN Late 18th Century On cream laid paper, 10.5" x 8"$100