Sold2022Whitby Ammonite Fossil ClusterJurassic Period, circa 180 million years B.P. A group of Promicroceras sp. fossil ammonites in a broadly oval-shaped pebble; Lower Lias, Sinemurian Stage. 249 grams, 90 mm (3 1/2 in.). From a LincolnsSee Sold Price
Sold2022Large Polished Ammonite Fossil ClusterLarge plate containing multiple polished Ammonite fossils. Measures 22-1/2" x 19". Shipping: This item is not eligible for in-house shipping. It may be picked up locally by you or the shipper of yourSee Sold Price
Sold2022Polished Fossil Whitby Ammonite CollectionJurassic Period, 199-145 million years B.P. A group of three polished Whitby ammonite fossils. 277 grams total, 61-70 mm (2 3/8 - 2 3/4 in.). From Whitby, Dorset, UK. From a Lincolnshire, UK, collectiSee Sold Price
Sold2017Prehistoric Fossil Ammonite Cluster from Hokkaido JapanEast Asia, Japan, Hokkaido (northern island), ca. 400 million years ago. A cluster of ammonites - at least nine - with some other extinct sea animals. Two are very large and well-preserved, the darkerSee 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
Sold2022Whitby Fossil Ammonite on RockJurassic Period, Toarcian Stage, 199-145 million years B.P. A stone matrix containing at least two differently sized fossil Harpoceras serpentinum ammonites, Exaratum Subzone, Falciferum Zone. 2.5 kg,See Sold Price
Sold2018Natural History - Whitby Dac Fossil AmmoniteLower Jurassic Period, Toarcian Stage, Grey Shales, 180 million years BP. A fossil ammonite Dactylioceras sp., within a small shale pebble, including the upper mould portion. 303 grams total, 63-75mmSee Sold Price
Sold2022'Whitby Dac' Fossil Ammonite NoduleJurassic Period, circa 180 million years B.P. Two halves of a fossil Dactylioceras sp. within a small shale pebble; held in a white card collector's tray. 123 grams total, 55-57 mm (2 1/8 - 2 1/4 in.)See Sold Price
Sold2022'Whitby Dac' Fossil Ammonites in MatrixJurassic Period, circa 180 million years B.P. A group of Gagaticeras sp. fossil ammonites in an oval-shaped pebble. 770 grams, 14.2 cm (5 1/2 in.). From Lower Jurassic, Lower Lias, Yorkshire. From a LSee Sold Price
Sold2022Whitby Fossil Dactylioceras AmmoniteJurassic Period, 180 million years B.P. A finely detailed Whitby Dactylioceras ammonite. 104 grams, 65 mm (2 1/2 in.). From Jurassic limestone, Whitby, UK. Private Shropshire, UK collection. [No ReserSee Sold Price
Sold2019British Dactylioceras Fossil AmmoniteLower Jurassic Period, 199-175 million years BP. A professionally prepared Dactylioceras commune (Sowerby) ammonite from Whitby, Yorkshire, UK, on matrix. 373 grams, 10cm (4"). From an old Bristol palSee 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
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
Sold2022A large ammonite fossil,A large ammonite fossil, A large ammonite fossil, on a rectangular stone plinth, 76cm wide 18cm deep 61cm highSee Sold Price
Feb 26Heartland Artifact Auctions IncVery Colorful Ammonite Fossil measuring 3" dia., Ex. Conrad King$5(1 bid)