Knightia Fish Fossil Green River Formation Wyoming 53.5 to 48.5 Million Years OldHeartland Artifact Auctions4.7(868)$10(1 bid)Feb 15, 2026
Fossil-Bearing Sedimentary Rock Specimen Rock Stone Lapidary SpecimenCol. Christie Hatman Auctioneers4.4(471)$1419 hrs Left
FOSSIL BONE IN MATRIX ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.4(471)$816 hrs Left
Fossilized Fish Jaw in Sandstone Matrix Rock Stone Lapidary SpecimenCol. Christie Hatman Auctioneers4.4(471)$122 days Left
Fossilized Shark Tooth Embedded in Sedimentary RockCol. Christie Hatman Auctioneers4.4(471)$1419 hrs Left
FOSSIL BONE IN MATRIX ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.4(471)$5535 Lots Away
FISH FOSSIL IN MATRIX ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.4(471)$82 days Left
3 1/2" X 2 3/8" Neolithic Hand Tool, found by Wes Smith March 1992 at Quarry Site, En Avdat in theHeartland Artifact Auctions4.7(868)$103 days Left
Jurassic Dinosaur Poop Fossil Coprolite , Age 156-146 million Years Old Discovered in UtahHeartland Artifact Auctions4.7(868)$10Feb 15, 2026
Jurassic Dinosaur Poop Fossil Coprolite , Age 156-146 million Years Old Discovered in UtahHeartland Artifact Auctions4.7(868)$10Feb 15, 2026
SoldAncient Fossilized Fish In Split ShaleFish fossil higher up on rock. Measures approx. 3 1/4" x 1 1/4". Secondary fish measures approx. 2 3/4" x 1". Appears to be Diplomystus, Knightia Eocaena, or possibly Gosiuteichthys Parvus. We do notSee Sold Price
SoldLarge Ancient Fossilized Fish Roe Agate Sphere on StandWonderful perfectly polished and preserved ancient fossilized fish roe agate with beautiful earthen tones throughout. Fish Roe Agate is a silicified oolite containing fossilized fish eggs and can be fSee Sold Price
Sold(2pc) Ancient Fossilized Fish SpecimensDESCRIPTION: (2pc) Ancient fossilized fish specimens encased in sandstone. CIRCA: Unknown ORIGIN: Unknown DIMENSIONS: (H: 2" x L: 6.5" x W: 2.5") & (H: 1.5" x W: 2" x L: 5") CONDITION: As is conditionSee Sold Price
SoldFossilized Priscacara Fish Matrix + Split Fish FossilNorth America, Western United States, Green River Formation, Eocene, ca. 40 million years ago. A pair of fossilized fish, a North American Priscacara in a square, flat matrix, and another unidentifiedSee Sold Price
SoldTray lot of ancient and fossilized items to include twoTray lot of ancient and fossilized items to include two ancient Roman clay oil lamps, fossilized fish and horn, carved quartz (as is), etc. lengths 1 inch to 6 inches. Provenance: Estate of Peggy & DSee Sold Price
SoldSplit Matrix of Fossilized Lycoptera Fish (2 pcs)**Originally Listed At $250** East Asia, China, Shandong Province, Jurassic to Cretaceous, ca. 199.6 to 70 million years ago. A fine split matrix of several fossilized Lycoptera fish imbedded in stoneSee Sold Price
SoldSplit Nodule Pair Fish FossilSplit Nodule Pair Fish Fossil, fantastic positive and negative image of ancient fish, mouth, eyes, scales and tail all highly visible, stone encasement has been chiseled smoothed for display, 21" x 5"See Sold Price
SoldLarge Fossilized Fish Vertebra with Separated FragmentPartial fossilized fish spine accompanied by a smaller fragment. The piece highlights detailed preservation of ancient fish vertebrae and scale patterns within sedimentary material. The primary pieceSee Sold Price
Sold701 - Fossilized Fish in Sedimentary StoneA naturally preserved fish fossil embedded in a rectangular slab of fine-grained sandstone or shale. The fossil is clearly visible in relief with good detail of the body outline.Medium: Fossil imprintSee Sold Price
SoldFossilized Knightia Fish Group in Stone Matrix**First Time At Auction** Ancient Seas, United States, Wyoming, Lincoln County, Green River Formation, Eocene Period, ca. 56 to 33.9 Million years ago. A wonderful group of 5 prehistoric Knightia fishSee Sold Price
SoldFossilized Perionelepis Fish in MatrixAncient Seas, Near East, Lebanon, Hajoula, Cretaceous Period, ca. 145.5 to 65.5 million years ago. A wonderful and large example of a prehistoric Perionelepis fish with a second fish species, fossilizSee Sold Price
SoldFossilized Fossil Fish Specimen in Limestone SlabFeatures and antique fossilized and extinct fish specimen preserved in "freeze frame" in a rectangular limestone shale slab. Signed ~ printed text with information on verso. Dimensions: 6.25 X 12.25 XSee Sold Price
SoldAn Prehistoric Paleolithic Fossil Fish Fossil on Stone Plaque, c. 300,000-10,000 BCEThis exquisite fish fossil on stone plaque, made from the fossilized remains of an ancient fish embedded in stone. Dating back to the Paleolithic period (c. 300,000-10,000 BCE), it exemplifies the remSee Sold Price
SoldGreen River Fossilized Plant + 2 Fish (in matrix)Bid with Confidence - Trust the Artemis Advantage: - 25+ years’ experience selling ancient and ethnographic art - Ancient items have been legally acquired, and are legal to sell - Accurate descriptiSee Sold Price
SoldFossilized Trilobites in Rochester Shale Matrices (2)Ancient Seas, North America, New York, Orleans County, Rochester Shale Formation, Lower Silurian, ca. 425 million years ago. This is a fine pair of fossilized trilobites within separate stone matricesSee Sold Price
Sold4 North American Fossilized Trilobites in MatricesAncient Seas, North America, Ohio & New York, Rochester Shale Formation, Ordovician to Lower Silurian, ca. 425 million years ago. A great collection of trilobite fossils within 4 stone matrices. TheseSee Sold Price
Sold2 Paleozoic Brachiopod Fossils on Shale**Originally Listed At $200** Ancient seas, Paleozoic period, ca. 300 to 400 million years ago. A fantastic fossilized specimen that shows off a pair of well preserved brachiopods, a prehistoric clam,See Sold Price
SoldFossilized Shell Fragments Baculite Ammonites**Originally Listed At $650** Ancient Seas, North America, South Dakota, Pennington County, Cheyenne River, Pierre Shale Formation, Cretaceous Period, ca. 83.6 to 72.1 million years ago. A collectionSee Sold Price
Sold6 X 3 1/4" Outstanding Detailed Green River Formation Fossilized Fish6 X 3 1/4" Outstanding Detailed Green River Formation Fossilized FishSee Sold Price
SoldLarge Fossilized Fish Plaque - Wyoming Green RiverNorth America, modern-day Wyoming, Green River Formation, Lower Eocene period, ca. 50 million years ago. A trio of stone-cased fish fossils, including Knightis, Mioplosus Labrocoides, and Priscara. ThSee Sold Price
SoldAncient Fossilized ScallopDESCRIPTION: An ancient fossilized scallop specimen. CIRCA: Unknown ORIGIN: Unknown DIMENSIONS: H: 3" x Dia: 7" CONDITION: As is condition. Unless otherwise stated, all information provided is the opiSee Sold Price
SoldAncient Fossilized Turtle ShellNew World, Late Cretaceous Period, ca. 144 to 65 million years ago. A fossilized turtle shell carapace with fine details of surface texture. Size: 5.7" L x 4.4" W x 2.05" H (14.5 cm x 11.2 cm x 5.2 cmSee Sold Price
