Sold2022Knightia Fossil Fish in Matrix GroupEocene Period, 58-36 million years B.P. A group of four Knightia sp. fossil fish in three matrices. 176 grams total, 74-97 mm (2 7/8 - 3 7/8 in.). From Wyoming (Green River Formation), USA. From a LinSee 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
Sold2022Fossil Trilobite in Matrix GroupOrdovician Period, 488-444 million years B.P. A group of three fossil Ogygius corndensis(?) trilobite specimens in three irregular matrices. 273 grams total, 5.3-10.5 cm (2 - 4 1/8 in.). From a LincolSee Sold Price
Sold2022Fossil Starfish in Matrix GroupOrdovician Period, 485-444 million years B.P. A pair of matrices, each containing a Petraster sp. fossil starfish. 356 grams total, 82-93 mm (3 1/4 - 3 5/8 in.). From a Cambridgeshire, UK, collection.See Sold Price
Sold2022Fossil March Flies in Matrix GroupEocene Period, 58-36 million years B.P. A group of two rectangular shale matrices, each containing a pair of Pleciapealei sp. fossil march flies. 455 grams total, 93 x 70 - 91 x 87 mm (3 5/8 x 2 3/4 -See Sold Price
Sold2022Fossil Star Fish in Matrix GroupOrdovician Period, 485-444 million years B.P. A group of three irregular matrices, each containing a fossil star fish specimen. 340 grams total, 7-12.5 cm (2 3/4 - 4 7/8 in.). From Morocco, North AfriSee Sold Price
Sold2021Green River Formation Fossil Leaf GroupEocene Period, 58-36 million years BP. A group of four matrices with fossil leaves comprising: one with a Populus sp. leaf; three with Salix sp. leaves. 165 grams total, 53-71mm (2 - 2 3/4"). From anSee Sold Price
Sold2022Fossil Redwood and Beech LeavesOligocene Period, 34-23 million years B.P. A group of three matrices containing fossil Metasequoia dawn redwood and beech leaf fossils; held in a white card collector's tray. 195 grams total, 52-77 mmSee Sold Price
Sold2022Fossil Redwood LeavesOligocene Period, circa 45 million years B.P. A group of two matrices displaying three fossil leaves from the Metasequoia dawn redwood, a cinnamon leaf, and a beech leaf; held in a white card collectoSee Sold Price
Sold2022Large Mosasaur Marine Dinosaur SpineCretaceous Period, circa 67-65 million years B.P. A one meter section of a large fossil Mosasaur dinosaur spine comprising 17 near fully preserved vertebrae in a matrix; plaster jacket. 55.5 kg, 1.01See Sold Price
Sold2022Mosasaur Marine Dinosaur Spine SectionCretaceous Period, circa 67-65 million years B.P. A section of large fossil Mosasaur dinosaur spine comprising eight near fully preserved vertebrae in a matrix. 26 kg, 66 cm (26 in.). Acquired Spain,See Sold Price
Sold2022Fossil Fly GroupEocene Period, circa 50 million years B.P. A group of three matrices, each displaying a fossil fly; held in a white card collector's tray. 63 grams total, 36-62 mm (1 3/8 - 2 3/8 in.). From the GreenSee Sold Price
Sold2023Natural History - Fossil Leaf GroupOligocene Period, circa 34-23 million years B.P. A group of three fossil leaves in matrix. 15 grams total, 59-77 mm (2 3/8 - 3 in.). From Beaverhead County, Montana, U.S.A.Collected between 1930 and 1See Sold Price
Sold2023Natural History - Fossil Fly GroupEocene Period, circa 50 million years B.P. A group of three fossil flies in matrix. 216 grams total, 73-82 mm (2 3/4 - 3 1/4 in.). From the Green River Formation, South Western Wyoming, U.S.A.CollecteSee 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
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
Sold2022Wyoming Fossil Fish in MatrixEocene Period, 58-36 million years B.P. A group of four fossil Knightia sp.(?) fish in a sub-circular sedimentary stone matrix. 184 grams, 15.2 cm (6 in.). From Wyoming (Green River Formation), USA. FSee Sold Price
Sold2017Mixed Fossil Group225-100 million years BP. A mixed group of fossils comprising of: three fossilised cut and polished tree branch sections, a fish fossil in a limestone matrix, two ammonite fossils in a matrix. 272 graSee Sold Price
Sold2018Natural History - Fossil Fish GroupEocene Period, 58-36 million years BP. The group comprises a Knightia alta (upper) and a Diplomystus sp. (lower) fossil fish, on the matrix plaque. 612 grams, 22.5cm (8 3/4"). From the Pradi CollectioSee Sold Price
Sold2018Natural History - Knightia Fossil Fish GroupEocene Period, 56-33 million years BP. Two Knightia alta fossil fish in a matrix slab. 1.6 kg, 29.5cm (11 1/2"). From the Pradi Collection, Boston, USA; acquired during the 1980s; from the Green RiverSee 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
Sold2022Fossil Fly GroupEocene Period, circa 50 million years B.P. A group of three fossil flies in individual matrices; held in a white card collector's tray. 43 grams total, 36-48 mm (1 3/8 - 1 7/8 in.). From the Green RivSee Sold Price
Sold2023Huge Paradoxides TrilobiteHuge Paradoxides trilobite in matrix, trilobites are well known fossil group of extinct marine arthropods that from the class trilobita. Diameter: height- 20 inches width- 18 1/2 inchesSee Sold Price
Sold2021Knightia Alta Fossil FishEocene Period, 56-33 million years BP. A group of five Knightia alta fossil fish, on a matrix. 440 grams, 14.5cm (5 3/4"). From the Pradi collection, Boston, USA; acquired during 1980s; from the GreenSee Sold Price
Jun 30Heartland Artifact Auctions Inc2 1/4" x 1 1/2" Trilobite Fossil in Matrix 500 million yrs old$10
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