Knightia Fish Fossil Green River Formation Wyoming 53.5 to 48.5 Million Years OldHeartland Artifact Auctions4.7(867)$10(1 bid)Feb 15, 2026
Fossilized Fish Jaw in Sandstone Matrix Rock Stone Lapidary SpecimenCol. Christie Hatman Auctioneers4.4(471)$122 days Left
FISH FOSSIL IN MATRIX ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.4(471)$82 days Left
5" x 5 1/4" Starfish Fossil, Lost Civilizations COA, Found in MoroccoHeartland Artifact Auctions4.7(867)$17(3 bids)3 days Left
Fossilized Shark Tooth Embedded in Sedimentary RockCol. Christie Hatman Auctioneers4.4(471)$1420 hrs Left
FOSSILS IN MATRIX ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.4(471)$5130 Lots Away
FOSSIL BONE IN MATRIX ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.4(471)$817 hrs Left
Fossilized Shark Tooth in Stone Matrix ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.4(471)$122 days Left
FOSSIL BONE IN MATRIX ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.4(471)$5535 Lots Away
SoldHuge Eocene Fish Fossil SlabNew World, Eocene Epoch, ca. 55.8 to 33.9 million years ago. A limestone slab containing the fossilized remains of three fish and a stand of ferns. The Eocene world was the warmest of the Cenozoic (ouSee Sold Price
SoldLARGE GREEN RIVER MIOPLOSUS FISH FOSSIL ON SLABEocene (56-33.9 million years ago). Complete Mioplosus fossil fish specimen, measuring 11.5 inches in length from tip to the tail, from Fossil Lake, Green River Formation, Wyoming, preserved in a rectSee Sold Price
SoldSTONE SLAB W FOSSIL PREHISTORIC FISH PRISCACARAAn ancient stone slab with fossil prehistoric fish Priscacara from the Eocene period. Eocene is the second geological epoch of the Paleogene period. Began 56 and ended 33.9 million years ago. PriscacaSee Sold Price
SoldLarge Multi-Species Fossil Fish Slab From Green RiverNorth America, United States, Wyoming, Green River Formation, Eocene Epoch, ca. 53.5 to 48.5 million years ago. A striking fossilized mortality plate featuring a dynamic multi-species assemblage fromSee Sold Price
SoldLarge Multi-Species Fossil Fish Slab From Green RiverNorth America, United States, Wyoming, Green River Formation, Eocene Epoch, ca. 53.5 to 48.5 million years ago. A striking fossilized mortality plate featuring a dynamic multi-species assemblage fromSee Sold Price
SoldPositive Negative Prehistoric Fish Fossil PlaquesEocene Epoch Cretaceous fish fossils from Brazil. Approximately 50 million years ago. Museum quality. Each rock slab secured by metal mounts on dark colored rectangular wooden plaque. Good estate fresSee Sold Price
SoldOutstanding Fossil Fish : Diplomystus DentatusTitle: Outstanding Fossil Fish : Diplomystus Dentatus Date/Period: Eocene, Green River formation Findspot: Kemmerer, Wyoming , USA Size of the slab: 21.5 x 13.5 cm Size of the fossil: 12.5 cm Weight:See Sold Price
SoldNatural 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
SoldOutstanding Fossil fish - - Fossilised animal - Knightia eocena ( 10.2 cm ) - 16 cm - 10 cmThe fish itself has a size of 10.2 cm. It is well centered onto a 16 x 10 cm slab. Name : Knightia eocena Age : Eocene , Green River formation Findspot : Kemmerer, Wyoming , USA The stand is not incluSee Sold Price
SoldOutstanding Fossil fish - - Fossilised animal - Knightia eocena ( 11.1 cm ) - 15.5 cm - 9.4 cmThe fish itself has a size of 11.1 cm. It is well centered onto a 15.5 x 9.4 cm slab. Name : Knightia eocena Age : Eocene , Green River formation Findspot : Kemmerer, Wyoming , USA The stand is not inSee Sold Price
SoldMatrix plate with 3 fine fossil fishesItem: Matrix plate with 3 fine fossil fishes Age: Eocene- Green River fm. Location: Kemmerer - Wyoming -USA Size of the Slab: 14.4 x 12.7 cm Size of the fossil: Biggest fish is 5.1 cm Weight: 410 gr OSee Sold Price
SoldFossil Knightia Alta FishesEocene Period, 53-33 million years BP. A group of four Knightia alta fish on a rectangular matrix slab, from the Green River Formation. 483 grams, 15cm (6"). From the Pradi Collection, Boston, USA; acSee Sold Price
SoldFossil 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
SoldFossil Matrix, Eocene Period, 50 Million YearsFrom the Green River, Wyoming, two Knightia eocaena in a limestone matrix, both fish measure 6.5"L, overall slab size 14" x 19", 22.25" x 17.5" framed. Condition: very good, intacSee Sold Price
SoldGreen River Fish Fossil Slab, Framed w/ COA.This archeological piece is certified by the Green River Stone Company. The species fossilized was the Knightia eocaena, Mioplosus labracoides, which is 50 million years old. The frame measures 36 3/4See Sold Price
Sold4pc Rock Mineral Fossil Specimen. Fish Fossil Slab. Petrified Wood. Ammonite Fossil. Jasper?4pc Rock Mineral Fossil Specimen. Fish Fossil Slab. Petrified Wood. Ammonite Fossil. Jasper? Dimensions: H: 16 inches: W: 11 inches: D: 1.5 inches ---See Sold Price
SoldLarge Fish Fossil SlabHighly detailed, heavy, back of slab with some loss to layers..1.5H x 23.5W x 15.5DSee Sold Price
Sold4 1/2" x 5 1/4" Wyoming Green River Formation Fish Fossil Slab, Highly Collectible!4 1/2" x 5 1/4" Wyoming Green River Formation Fish Fossil Slab, Highly Collectible!See Sold Price
SoldNICE HUGE FISH FOSSIL FROM THE GREEN RIVER FORMATION IN WYOMING, APPROXIMATELY 48-53 MILLION YEARSNICE HUGE FISH FOSSIL FROM THE GREEN RIVER FORMATION IN WYOMING, APPROXIMATELY 48-53 MILLION YEARS OLD!!!See Sold Price
SoldPrehistoric Fish Fossil SlabsTwo (2) Prehistoric Fish Fossil Slabs. Largest measures: 16-1/2" long, longest end measures: 10" wide, shortest end measures: 4-1/2" wide, 1-1/4" thick. Smallest measures: 5-1/4" high, 7: wide, 3/4" tSee Sold Price
Sold(2) LARGE FISH FOSSILS SLABSDimensions: Largest: L 24" x D 23" Condition: nothing to noteSee Sold Price
SoldMounted Fish Fossil Stone SlabMounted fish fossil slab with imprints of small fish within. Affixed to a brown linen backing with tan toned wooden frame. Approximately 16.75 x 18 inches fossil is approximately 11 x 11 inches. ModerSee Sold Price
Sold9 1/4" HUGE DETAILED FISH FOSSIL (DIPLOMYSTUS) FROM THE GREEN RIVER FORMATION IN WYOMING, 50 MILLION9 1/4" HUGE DETAILED FISH FOSSIL (DIPLOMYSTUS) FROM THE GREEN RIVER FORMATION IN WYOMING, 50 MILLION YEAR OLD FOSSIL, BROKEN AND GLUED AS SEENSee Sold Price
SoldNatural Eocene Epoch Fish Fossil TileAuthentic sandstone fossil of a freshwater fish that once swam the lakes of the Eocene epoch, 55 million years ago. Species: Diplomystus. Locale: Green River Formation. Display stand and notecard inclSee Sold Price
