Sold2022Fossilized Thrissops Fish & Ammonites in MatrixNorthwestern Europe, England, Weymouth, Lower Oxfordian / Kimmeridgian Formation, Late Jurassic, ca. 163.5 to 157.3 million years ago. A stunning fossil from a carnivorous fish, Thrissops, within a laSee Sold Price
Sold20212 Fossilized Fish Matrices - Diplomystus & Lycoptera**First Time At Auction** North America, Wyoming, Lower Eocene, ca. 40 million years ago; East Asia, China, Jurassic to Cretaceous, ca. 199.6 to 70 million years ago. A pair of fossilized extinct prehSee Sold Price
Sold2023Fossilized 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
Sold2021Fossilized 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
Sold2018Large Specimen Phareodus Fish in Matrix FossilLarge fossilized Phareodus fish in matrix. Measures 27" at longest point, 17 1/4" at widest, 1 1/2" thickness.See Sold Price
Sold2023Green 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
Sold2022Large Fossilized Diplomystus Fish in Stone MatrixNorth America, Wyoming, Green River Formation, Eocene Period, ca. 53.5 to 48.5 million years ago. A fabulous and large stone matrix from the "18 inch" layer of the Green River Formation, bearing a fosSee Sold Price
Sold2021Fossilized Priscacara Fish in Sandstone MatrixNorth America, Western United States, Wyoming, Green River Formation, Eocene, ca. 40 million years ago. This is a stunning fossilized fish encased in a sandstone matrix: Priscacara, known for its sunfSee Sold Price
Sold2022Large Fossilized Ammonite Placenticeras Meeki in MatrixNorth America, United States, South Dakota, Pennington County, Cheyenne River, Pierre Shale Formation, Lower Cretaceous, 100.5 to 66 million years ago. A superb, fossilized ammonite of the PlacenticerSee Sold Price
Sold2021Fossilized 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
Sold2021France Type Fossilized Ammonite Table SculptureCollectible fish shape fossilized ammonite table sculpture, with stand, ammonites are a group of extinct marine mollusc animals of the class cephalopods, that are often found as fossils in marine rockSee Sold Price
Sold2024Split 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
Sold2017Fossilized Madagascar Ammonite Fossil GroupAfrica, Madagascar, ancient seas, ca. 400 million years ago. A tall group of ammonites and other ancient shells fossilized in a hardened grey matrix. The ammonites range in color from a rich reddish bSee 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
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
Sold2021Large Fossilized and Polished Ammonite Specimensprehistoric, large grouping of fossilized nautilus and orthoceras shells encased in rock matrix, with acrylic stand, 26 x 16 in. - Provenance: Collection of Sandra Manheimer, Cary, North CarolinaSee Sold Price
Sold2023Fossilized Green River Fossil Leaf & Knightia FishNorth America, Wyoming, Green River Formation, Eocene Period, ca. 53.5 to 48.5 million years ago. A sandstone matrix containing a fossilized leaf inlaid with a fish fossil from the same formation! TheSee Sold Price
Sold2024Large Fossilized Eocene Palm Frond Inlaid w/ FishNorth America, Wyoming, Green River Formation, Eocene Period, ca. 53.5 to 48.5 million years ago. A stone matrix containing fossilized palm fronds inlaid with a prehistoric fish, Priscacara. The placeSee Sold Price
Sold2023Fossilized Eocene Palm Frond Inlaid w/ FishNorth America, Western United States, Wyoming, Green River Formation, Eocene Period, ca. 53.5 to 48.5 million years ago. A sandstone matrix with the tips of a fossilized palm frond inlaid with prehistSee Sold Price
Sold2022Two Fossilized ammonitesTwo Fossilized ammonites each on a metal stand; each: 22 3/4 inches wide; 18 3/4 inches high; 21 inches high including standSee Sold Price
Sold2021TWO FOSSILIZED AMMONITESeach on a metal stand; each: 22 3/4 inches wide; 18 3/4 inches high; 21 inches high including standSee Sold Price
Sold2022Fossilized Ammonites Polished Jewelry Grade, 54 pairsAfrica, Madagascar, late Cretaceous, ca. 71 million years ago. A collection of 54 pairs or 108 individual fossilized ammonite shells that have been professionally sliced in half then polished on one sSee Sold Price
Featured5 days LeftJasper52Large Dicranurus monstrosus and Cheirurus (Crotalocephalina) gr. gibbus$1,500