Fossilized Brachiopod Seashells in Chert Stone Matrix

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 fram

Ancient Seas, Morocco, Hamar Laghdad Formation, Devonian period, ca. 419.2 to 358.9 million years ago. A fine collection of 3 separate stone matrixes that each contain a fossilized trilobite, each a d

North 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 fos

Ancient Seas, Lebanon, Upper Jurassic to Cretaceous period, ca. 163.5 to 66 Million years ago. Wow! This is a fabulous stone matrix with 4 complete fossils of the extinct shrimp known as Carpopenaeus

Ancient Seas, Morocco, Hamar Laghdad Formation, Devonian period, ca. 419.2 to 358.9 Million years ago. A fantastic and well preserved fossilized trilobite raised above a stone matrix. The trilobite ha

**Originally Listed At $350** Ancient Seas, Morocco, Devonian Period, ca. 416 to 359.2 million years ago. A large, fossilized trilobite of the Paralajurus species, with excellent remaining details, di

North 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 place

**Originally Listed At $200** North Africa, Morocco, Devonian Period, ca. 416 to 359.2 million years ago. A collection of 3 fossilized trilobites in separate stone matrices, each carefully excavated a

Ancient Seas, Lebanon, Haquel, Late Cretaceous period, ca. 100.5 to 93 Million years ago. Wow! This is a wonderful fossilized prehistoric nephropidae of the genus Homarus hakelensis, a direct relative

**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 fish

**First Time At Auction** North America, likely Utah, Green River Formation, Eocene Period, ca. 53.5 to 48.5 million years ago. A partial prehistoric sycamore leaf (Platanus genus) encased in a stone

Ancient Seas, Eastern Europe, probably Russia, Ordovician Period, ca. 485.4 to 443.8 million years ago. A charming group of four fossilized trilobites captured on a stone matrix from where they once p

East Asia, China, Cretaceous Period, ca. 65.5 to 145.5 million years ago. Wow! A clutch of fossilized dinosaur eggs within a stone matrix from a species of ornithopod, three toed species of dinosaurs.

Ancient Seas, Morocco, mid Devonian period, ca. 393.3 to 382.7 Million years ago. A fantastic fossilized trilobite encased within a stone matrix, with a slightly curled profile. The magnificent triden

Ancient Seas, Russia, St. Petersburg, Volkhov River, Ordovician Period, ca. 485.4 to 443.8 Million years ago. Two charming fossilized trilobites captured on a stone matrix from where they once patroll

Ca. 1950s-1960s, Heavy Navajo silver bracelet set with three large Nevada turquoise stone with chert matrix. 5-3/4" + 1-3/4" x 1-3/4"

North Africa, Anti Atlas Mountains, Ktaoua formation, Ordovician, ca. 488 to 443 million years ago. A rare and concentrated natural stone matrix of starfish and crinoids (sea lilies) that died and fos

Ancient Seas, Morocco, Mid Devonian period, ca. 387 million years ago. A fabulous trilobite fossil encased in a stone matrix. The trilobite is well preserved and retains much of the spikey pustules on

North America, Western United States, Montana, Fort Union Formation, Paleocene, ca. 66 to 58 million years ago. A fossilized leaf from a ginkgo tree (Ginkgo cranei) preserved in an orange stone matrix

**Originally Listed At $250** Ancient Seas, Morocco, Devonian Period, ca. 419.2 to 358.9 million years ago. This is an amazing stone matrix that has been prepared to show off the fossilized shells fro

Ancient 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. These

Ancient Seas, Morocco, Hamar Laghdad Formation, Devonian Period, ca. 419.2 to 358.9 Million years ago. A beautiful and unusual looking trilobite fossil within a stone matrix and presented on a modern

Originally 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 b

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 matrices