Sold2022ORTHOCERAS FOSSIL PLATE, ORDOVICIAN PERIODDiscovered near Morocco,Ordovician period. Mass casualty orthoceras fossil plate, having multiple cephalopods in a dark grey stone matrix; on an acrylic stand. Unmarked. Approx. h. 20", w. 18", d. 2.5See Sold Price
Sold2022LARGE ORTHOCERAS FOSSIL PLATE, ORDOVICIAN PERIODDiscovered near Morocco,Ordovician period. Mass casualty orthoceras fossil plate, having multiple cephalopods and one large center one, in a dark grey stone matrix. Accompanied by scroll copper stand.See Sold Price
Sold2019Natural History - Polished Fossil OrthocerasOrdovician Period, 360 million years BP. A large cut and polished straight cephalopod Orthoceras sp. 295 grams total, 12.5cm (5"). From an old Lincolnshire collection 1980s; from Erfoud, Morocco, NortSee Sold Price
Sold2021Prehistoric Orthoceras Squid Fossils 450 Mil Year CoolThese Mid-Ordovician Period, 470 - 458 million year old, fossils are exposed and have been given a high polish to better view these extinct squid-like creatures from their surrounding matrix. The slaSee Sold Price
Sold202223 LB. LARGE ORTHOCERAS FOSSIL SPECIMEN 19 X 15"134084 23 LB. LARGE ORTHOCERAS FOSSIL SPECIMEN 19 X 15" 19 X 15" large 23 Lb. Orthoceras fossil specimen from the middle Ordovician time period (485-443 million years ago). Orthoceras is a genus of exSee Sold Price
Sold202218 LB. ORTHOCERAS FOSSIL SPECIMEN 16 X 17"134085 18 LB. ORTHOCERAS FOSSIL SPECIMEN 16 X 17" 16 X 17" large 18 Lb. Orthoceras fossil specimen from the middle Ordovician time period (485-443 million years ago). Orthoceras is a genus of extinctSee Sold Price
Sold2018Natural History - Mixed Fossil CollectionJurassic-Ordovician Periods, 201-445 million years BP. A group of five fossils comprising three trilobites: two Calymene sp., and one Phacops sp., and two Orthoceras sp. 725 grams, 48mm-12cm (2-4 3/4"See Sold Price
Sold2018AN ORTHOCERAS FOSSIL, DEVONIAN PERIOD (CircaAN ORTHOCERAS FOSSIL, DEVONIAN PERIOD (Circa 419.2-358.9 Million Years Ago), POSSIBLY MOROCCO, within a cut and polished ovoid metamorphic black rock; from the phylum mollusca, a class of cephalopoda,See Sold Price
Sold2023HUGE 12 1/2" FOSSIL ORTHOCERAS, FROM THE TRIASIC PERIOD 500-200 MILLION YEARS AGO, NICE LARGE PIECE HUGE 12 1/2" FOSSIL ORTHOCERAS, FROM THE TRIASIC PERIOD 500-200 MILLION YEARS AGO, NICE LARGE PIECE THAT DISPAYS REALLY WELLSee Sold Price
Sold2022Polished Orthoceras FossilDevonian Period, 400 million years B.P. An Orthoceras fossil in matrix, polished. 350 grams, 13.2 cm (5 1/8 in.). From Atlas Mountains, Morocco, North Africa. Private Shropshire, UK collection. [No ReSee Sold Price
Sold2023Natural History - Fossil StarfishOrdovician Period, 485-444 million years B.P. A fossil Petraster sp. starfish in matrix. 138 grams, 69 mm (2 3/4 in.). From Katian Stage, Tioririne Formation, El Kaid Rami, Morocco, North Africa.AcquiSee Sold Price
Sold2021Fine Trilobite Fossil in Stone MatrixAncient Seas, Russia, Ordovician period, ca. 485.4 to 443.8 million years ago. A stunning trilobite fossil within a stone matrix, of the genus Paraceraurus aculeatus. The trilobite is beautifully presSee Sold Price
Sold2015Natural History - Polished Orthoceras Fossil BlockDevonian Period, 417-354 million years BP. A rectangular stone block displaying orthoceras fossils, polished on all six faces. 8 kg, 30 x 7 x 14cm (11 3/4 x 2 3/4 x 5 1/2"). Property of a London gentlSee Sold Price
Sold2023POLISHED AMMONITE & ORTHOCERAS FOSSIL PLATEPolished ammonite and orthoceras fossil plate, dating to the Carboniferous Period 350 million years ago, this specimen having a single ammonite and a single orthoceras fossil in tobacco and taupe stonSee Sold Price
Sold2021Twin Fossil Starfish on MatrixOrdovician Period, 485-444 million years BP. A mortality plate displaying two large brittle stars, Ophiura sp. showing much detail. 1.8 kg, 30cm (11 3/4"). From a Cambridgeshire collection. [No ReservSee Sold Price
Sold2023Natural History - Fossil Brittle StarOrdovician Period, circa 485.4-443.8 million years B.P. Ophiuroidea sp. on an irregular matrix. 383 grams, 14.5 cm (5 3/4 in.). Acquired 1950s-1960s. From an old Bristol, UK, palaeontological collectiSee Sold Price
Sold2023Natural History - Orthoceras Fossil Book End PairDevonian Period, 417-354 million years B.P. A pair of polished fossil book ends, each trapezoidal and displaying a raised Orthoceras sp. fossil. 2 kg total, 12 cm high each (4 3/4 in.). From Morocco,See Sold Price
Sold2018Natural History - Fossil Starfish Mortality PlateOrdovician Period, 450 million years BP. A mortality plate displaying five large brittlestars, Ophiura sp. showing much detail. 1.9 kg, 28cm (11"). Property of a Lincolnshire gentleman; formerly in anSee Sold Price
Sold2017Natural History - Fossil Starfish Mortality PlateOrdovician Period, 485-444 million years BP. A mortality plate displaying two large brittlestars, Ophiura sp. from the Kataoua formation in Blekus, Morocco. 860 grams, 18x17cm (7 x 6 3/4"). From an olSee Sold Price
Sold2018Natural History - Fossil Starfish Mortality PlateOrdovician Period, 450 million years BP. A mortality plate displaying four large brittlestars, Ophiura sp. showing much detail. 1.7 kg, 29.5cm (11 1/2"). Property of a Lincolnshire gentleman; formerlySee Sold Price
Sold2023Orthoceras Fossil PROVENANCE: PrivatePROVENANCE: Private estate TYPE: Fossil MATERIAL: Fossil DIMENSIONS: 9" tall Orthoceras is a genus of extinct nautiloid cephalopod restricted to Middle Ordovician-aged marine limestones of the BalticSee Sold Price
Sold2022Fossil Starfish and EdrioasteroidsOrdovician Period, 485-444 million years B.P. A polygonal matrix displaying a fossil Petraster sp. starfish, together with eleven Edrioasteroids spinadiscus lefebvrei; held in a white card collector'sSee Sold Price
Sold2015Natural History - Polished Orthoceras Fossil TowerSilurian Period, 400 million years BC. A free-standing pillar of orthoceras-rich matrix, with four specimens exposed and polished. 1.4 kg, 23cm (9"). From an important London collection, acquired in tSee Sold Price
Sold2022Fossil Starfish in Matrix GroupOrdovician Period, 485-444 million years B.P. A group of two matrices, each containing at least one fossil starfish. 128 grams total, 62-67 mm (2 1/2 - 2 5/8 in.). From Germany. From a Lincolnshire, USee Sold Price
Jun 07TimeLine Auctions Ltd.Natural History - Polished Fossil Orthoceras and Goniatite Stand on Rock£5