Sold2019Natural History Knightia Alta Fossil FishEocene Period, 56-33 million years BP. A Knightia alta sp. fossil fish on a rectangular stone matrix, with remains of a tail of another fish above. 404 grams, 16cm (6 1/4"). From the property of a LonSee Sold Price
Sold2017Natural History - Fossil Knightia alta FishEocene Period, 58-36 million years BP. A Knightia alta fossil fish from the Eocene period of Wyoming (Green River Formation), USA. 346 grams, 17.5cm (7"). From the Pradi Collection, Boston, USA; acquiSee Sold Price
Sold2015Natural History - Knightia Fossil Fish in MatrixEocene Period, 58-36 million years BP. A sedimentary matrix with a Knightia alta fossil fish from Wyoming (Green River Formation), USA. 2.2 kg, 31cm (12 1/4"). Property of a Lincolnshire, UK, gentlemaSee 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
Sold2023Natural History - Knightia Fossil FishEocene Period, 56-33 million years B.P. A Knightia alta fossil fish in matrix. 277 grams, 13 x 9.5 cm (5 1/8 x 3 3/4 in.). From Wyoming, Green River Formation, U.S.A.Acquired during the 1980s.From theSee Sold Price
Sold2018Natural History - Knightia Fossil FishA large fossil Knightia alta fish in matrix slab showing fine detail. 815 grams, 22.5cm (9"). From the Pradi Collection, Boston, USA; acquired during the 1980s; from the Green River Formation, WyomingSee Sold Price
Sold2015Natural History - Fossil FishEocene Period, 58-36 million years BP. A fossil Knightia alta fish in matrix from Wyoming (Green River Formation), USA. 216 grams, 15cm (5 3/4"). Property of a Lincolnshire, UK, gentleman; acquired onSee 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
Sold2023Natural History - Large Multi Fossil Fish PlateEocene Period, circa 56-33 million years B.P. The large sandstone matrix with five Knightia alta specimens. 8.25 kg, 50.5 x 38 cm (19 7/8 x 15 in.). From a Lincolnshire, UK, collection. In southwest WSee Sold Price
Sold2023Natural History - Knightia Fossil FishEocene Period, circa 56-33 million years B.P. Knightia alta specimen on a rectangular matrix. 200 grams, 11.7 cm (4 5/8 in.). From Wyoming (Green River Formation), USA. Acquired during 1980s. From theSee Sold Price
Sold2015Natural History - Knightia Fossil Fish in MatrixEocene Period, 58-36 million years BP. A matrix with complete fossil fish Knightia eocaena and a second partial from Warfield's Quarry, Kemmerer, Green River Formation, Wyoming, U.S.A. 688 grams, 20cmSee Sold Price
Sold2015Natural History - Knightia Fossil Fish in MatrixEocene Period, 58-36 million years BP. A matrix with a complete fossil fish Knightia eocaena from Warfield's Quarry, Kemmerer, Green River Formation, Wyoming, U.S.A. 1.2 kg, 22.5cm (8 3/4"). PropertySee Sold Price
Sold2023Natural History - Fossil Fish and Lobster in MatrixCretaceous Period, 145-65 million years B.P. Possibly Pseudostacus hakeliensis, together with a fossil fish, possibly Rhinobatos sp., both showing some good detail. 4.5 kg, 41 cm (16 1/8 in.). From LeSee Sold Price
Sold2016Framed Knightia Alta Fossil Fish in MatrixAncient Framed Knightia Alta Fossil Fish in Matrix Dimensions: 18"L x 15"W x 1.5"D* Weight: 8 lbs* * (estimate/approximately)See Sold Price
Sold2021Knightia Alta Fossil Fish GroupEocene Period, 56-33 million years BP. A group of two Knightia alta fossil fish on a rectangular matrix. 859 grams, 19cm (7 1/2"). From the Pradi collection, Boston, USA; acquired during 1980s; from tSee 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
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
Sold2022Knightia Fossil FishEocene Period, 58-36 million years B.P. A Knightia alta fossil fish in a rectangular matrix. 315 grams, 12.8 cm (5 in.). Green River region, Wyoming, USA. Acquired 1980s. Pradi collection, Boston, USASee Sold Price
Sold2022Knightia Fossil FishEocene Period, 58-36 million years B.P. A Knightia alta fossil fish in a matrix. 84 grams, 14 cm (5 1/2 in.). Green River region, Wyoming, USA. Acquired 1980s. Pradi collection, Boston, USA. SeasonallSee Sold Price
Sold2022Knightia Fossil FishEocene Period, 58-36 million years B.P. A Knightia alta fossil fish in a rectangular matrix. 316 grams, 13 cm (5 1/4 in.). Green River region, Wyoming, USA. Acquired 1980s. Pradi collection, Boston, USee Sold Price
Sold2022Knightia Fossil FishEocene Period, 58-36 million years B.P. A Knightia alta fossil fish in a matrix. 313 grams, 17 cm (6 1/2 in.). Green River region, Wyoming, USA. Acquired 1980s. Pradi collection, Boston, USA. SeasonalSee Sold Price
Sold2022Knightia Fossil FishEocene Period, 58-36 million years B.P. A Knightia alta fossil fish in a rectangular matrix. 217 grams, 11 cm (4 1/3 in.). Green River region, Wyoming, USA. Acquired 1980s. Pradi collection, Boston, USee Sold Price
Sold2022Knightia Fossil FishEocene Period, 58-36 million years B.P. A Knightia alta fossil fish in a matrix. 106 grams, 15 cm (6 in.). Green River region, Wyoming, USA. Acquired 1980s. Pradi collection, Boston, USA. Seasonally,See Sold Price
Sold2022Knightia Fossil FishEocene Period, 56-33 million years B.P. A pair of Knightia alta fossil fish in matrix. 374 grams, 15.4 x 10.3 cm (6 x 4 in.). From Wyoming, Green River Formation, U.S.A. Acquired during the 1980s. FroSee Sold Price
Jun 07TimeLine Auctions Ltd.Natural History - Fossil North American Tyrannosaurus Rex Dinosaur Coprolites£5(1 bid)