Sold2020GROUP OF 9 KNIGHTIA & DIPLOMYSTUS FISH FOSSILS FROM THEGROUP OF 9 KNIGHTIA & DIPLOMYSTUS FISH FOSSILS FROM THE GREEN RIVER FORMATION IN WYOMING, 150 MILLION YEARS OLD, LONGEST IS 6 1/4" LONGSee 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
Sold2023Fish, Fossil, Rock, Natural, Decor, Collectible, Specimen, Green River Formation,Green River Fossils 3 Fish Knightia eoceana, Diplomystus WY 14 x 9"See Sold Price
Sold2023NICE LOT OF KNIGHTIA & DIPLOMYSTUS FISH FOSSILS FROM THE GREEN RIVER FORMATION IN WYOMING, 50 MILLIONICE LOT OF KNIGHTIA & DIPLOMYSTUS FISH FOSSILS FROM THE GREEN RIVER FORMATION IN WYOMING, 50 MILLION YEAR OLD FOSSILSSee Sold Price
Sold2023NICE LOT OF KNIGHTIA & DIPLOMYSTUS FISH FOSSILS FROM THE GREEN RIVER FORMATION IN WYOMING, 50 MILLIONICE LOT OF KNIGHTIA & DIPLOMYSTUS FISH FOSSILS FROM THE GREEN RIVER FORMATION IN WYOMING, 50 MILLION YEAR OLD FOSSILSSee Sold Price
Sold2017Fossil Knightia Fish GroupEocene Period, 58-36 million years BP. A group of two fossil Knightia eocaena fish each on a shale matrix 269 grams total, 10.4-11.5cm (4 1/2"). From a historic ‘Victorian Museum’ collection; fromSee Sold Price
Sold2017Fossil Knightia Fish GroupEocene Period, 58-36 million years BP. A group of two fossil Knightia eocaena fish each on a shale matrix, in white card tray with label reading: 'Fossil fish, Knightia eocaena, Wyoming, USA'. 179 graSee 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
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
Sold2024Fish, Fossil, Rock, Natural, Decor, Collectible, Specimen, Green River Formation,All Natural Fossil Fish Knightia eoceana Diplomystus dentatus Eocene WYSee Sold Price
Sold2024Fish, Fossil, Rock, Natural, Decor, Collectible, Specimen, Green River Formation,Natural Fossil Fish Knightia eoceana diplomystus dentatus Eocene WYSee Sold Price
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
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
Sold2023Fish, Fossil, Rock, Natural, Decor, Collectible, Specimen, Green River Formation,Fossil Fish Knightia Eoceana Diplomystus Green River Formation, WYSee Sold Price
Sold2017Fossil Fish GroupEocene Epoch, 56-49 million years BP. A group of six Knightia sp. fossil fish preserved in calcareous shale. See Grande, L. The paleontology of the Green River Formation, with a review of the fish fauSee Sold Price
Sold2023Fish, Fossil, Rock, Natural, Decor, Collectible, Specimen, Green River FormationFossil Fish Green River Formation Diplomystus & 2 KnightiaSee Sold Price
Sold2021Fossil Knightia Alta FishEocene Period, 53-33 million years BP. A group of three fossil Knightia alta fishes on a rectangular matrix slab, from the Green River Formation. 344 grams, 15.3cm (6"). From the Pradi Collection, BosSee 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
Sold2023Fish, Fossil, Rock, Natural, Decor, Collectible, Specimen, UnpreppedFossil Fish Unprepped 2.5 Specimen (2 Knightia .5 Diplomystus)See Sold Price
Sold2023Fish, Fossil, Rock, Natural, Decor, Collectible, SpecimenFossil Fish Juvenile Mix Minnows - Knightia - Fry - DiplomystusSee Sold Price
Sold2022Fossil Diplomystus FishEocene Period, 56-33 million years B.P. A fossil Diplomystus sp. fish in a rectangular matrix. 180 grams, 13 x 9.1 cm (5 1/8 x 3 5/8 in.). From the Green River Formation, Lincoln County, Wyoming, U.S.See 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
Sold2016Natural History - Fossil Diplomystus Fish in MatrixEocene Period, 58-36 million years BP. A fossil Diplomystus fish from the Green River Formation, Lincoln County, Wyoming, USA. 559 grams, 23cm (9"). From the Pradi Collection, Boston, USA acquired durSee 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
May 19Heartland Artifact Auctions IncKnightia Fish Fossils, found in the Green River Formation, Kemmerer Wyoming$10(1 bid)