Sold2022Fossil KeichousaurusTriassic Period, 250-200 million years B.P. A complete fossil Keichousaurus hui in a rectangular matrix. 2.6 kg, 32 cm (12 1/2 in.). Xingyi, Guizhou, China. Acquired 1950s-1960s. Bristol paleontologicSee Sold Price
Sold2022Fossil KeichousaurusTriassic Period, 250-200 million years B.P. A complete fossil Keichousaurus hui in a rectangular matrix. 2.8 kg, 31.4 cm (12 1/3 in.). Xingyi, Guizhou, China. Acquired 1950s-1960s. Bristol paleontologSee Sold Price
2021Keichousaurus Complete Fossil SkeletonTriassic Period, 250-200 million years BP. A complete fossil Keichousaurus hui in a rectangular matrix. 2.9 kg, 30.4cm (12"). From an old Lincoln palaeontological collection, acquired 1970s-1980s; froSee Sold Price
Sold2022Fossil Keichousaurus Marine Reptile SkeletonTriassic Period, c.250 million years BP. A complete fossil Keichousaurus hui in a veined rectangular matrix. 2.8 kg, 29cm wide (11 1/2"). From Xingyi, Guizhou, China. Acquired 1970s-1980s. Old LincolnSee Sold Price
Sold2021Natural History - Fossil Keichousaurus SkeletonTriassic Period, 250-200 million years BP. A complete fossil Keichousaurus hui marine 'dinosaur' skeleton on matrix. 1.5 kg, 27.3cm (10 3/4"). From a Lincoln palaeontological collection; acquired 1970See Sold Price
Sold2022Fossil Keichousaurus Marine Reptile SkeletonTriassic Period, c.250 million years BP. A complete fossil Keichousaurus hui skeleton in a veined rectangular matrix. 2.4 kg, 33.5cm wide (13 1/4"). From Xingyi, Guizhou, China. Acquired 1970s-1980s.See Sold Price
Sold2022Fossil Keichousaurus 'Marine Reptile' SkeletonTriassic Period, 250-200 million years B.P. A complete fossil Keichousaurus hui skeleton in a veined rectangular matrix. 1.28 kg, 25 x 18 cm (9 7/8 x 7 in.). From a Lincolnshire, UK, collection. KeichSee Sold Price
Sold2023Arizona Triassic Fossilized Petrified Wood SlabNorth America, Southwestern United States, Arizona, Late Triassic, ca. 225 million years ago. A spectacular and large slab of fossilized or petrified tree trunk sliced crossways and highly polished onSee Sold Price
Sold2024Fossilized Arizona Triassic Petrified Wood SlabNorth America, Southwestern United States, Arizona, Late Triassic, ca. 225 million years ago. A slab of fossilized wood the petrified tree trunk is sliced crossways and polished to a mirror finish onSee 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
Sold2023Dinosaur, Fossil, Natural, Collectible, Specimen,Fossil Keichousaurus Triassic 247 M.Y.O. ChinaSee Sold Price
2021Huge Fossilized Brachiopod Shell Matrix (in wood frame)Ancient seas, Paleozoic period, ca. 300 to 400 million years ago. A massive stone matrix with dozens of fossilized brachiopod shells and impressions! The stone is supported with a lovely rosewood framSee 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
Sold2023Fossilized Trilobites in Matrix w/ Pyrite BrachiopodOriginally listed at $400 North America, Midwestern United States, Ohio, Paleozoic period, ca. 300 to 400 million years ago. A pair of two slate matrixes containing a trilobite fossil in each and a bSee 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
Sold20224 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
Sold2023Lot of 2 Fossilized Trilobites in Matrices**Originally Listed At $300** Ancient Seas, North America, Oklahoma, Bois D'Arc Formation, Devonian, ca. 419.2 to 358.9 million years ago; Eastern Europe, Russia, St. Petersburg, Wolchow River, LowerSee 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
Sold2024Fossilized Sand Dollars & Tower Snail Shells & Matrices**Originally Listed At $250** Ancient Seas, Cretaceous to Oligocene, ca. 145.5 to 23 million years ago. This is a fine pair of matrixes containing fossilized shells from prehistoric marine life - sandSee Sold Price
Sold2023Fossilized Dinosaur Footprint in Matrix (Noah's Raven)North America, Massachusetts, South Hadley, Portland Formation, Early Jurassic, ca. 190 million years ago. Astounding dinosaur footprints encased in a sandstone matrix on both sides! The prints face oSee Sold Price
Sold2022Fossilized Lobster in Limestone Matrix - MecochirusWestern Europe, Germany, Eichstatt, Solnhofen (Altmuhltal) Formation, Jurassic Period, ca. 160 million years ago. A fossilized prehistoric lobster relative of the Mecochirus genus, within a square limSee Sold Price
Sold2021Prehistoric Chinese Fossilized Oviraptor Egg w/ Matrix**First Time At Auction** East Asia, China, Late Cretaceous Period, ca. 83 to 72 million years ago. A fossilized egg belonging to an Oviraptor! This dinosaur (Oviraptor philoceratops), was a type of aSee Sold Price
Sold2023Fossilized Dinosaur Foot Prints TriassicDinosaur Foot Prints, over 160 Million Years old. Triassic from Holyoke, Massachusetts. 14" x 11.5" x .75" From the Estate of Frank Hall owner of Dover Scientific and collector of rocks, crystals, minSee Sold Price
May 23South Florida Auction & Estate Sale Services IncBeautiful Amber Encased Fossilized LADYBUG Tear Drop AmuletUS$6(1 bid)
May 21Sworders Fine Art AuctioneersA 19th century gold mounted fob seal with citrine matrix,£220(3 bids)
Jun 02Taylor & HarrisMario Buccellati Italian 800 Silver Octopus Figure on Fossilized Wood c. 1970US$25,000
May 23South Florida Auction & Estate Sale Services IncGenuine Fossilized Scorpion in Tree Trunk Style AmberUS$8(2 bids)
4 days LeftAdam's AuctioneersA GEM-SET COCKTAIL RING The mount designed as matrix, set with numerous gemstones such as a topaz, €0