Fossilized 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 matrices

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

**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, Lower

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

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

Ancient Seas, United States, Oklahoma, Coal County, Haragan Formation, ca. Devonian period, ca. 419.2 to 358.9 Million years ago. A wonderful fossilized trilobite on display and encased in a stone mat

**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

**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, 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

6 fossilized trilobites, 2.5"L - 3.95"L

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

6 fossilized trilobite specimen, 2.6"L - 3.55"L

7 1/2" Shale Matrix with Multiple Ammonite Fossil Inclusions

(lot of 2) Fossilized trilobite specimens, largest: approx 2.25"h, 6.5"l, 4.5"w; 3.25lbs total

Devonian Period, 417-354 million years B.P. A large fossil Cambropallas sp. trilobite in a matrix. 2.7 kg, 29 cm (11 3/8 in.). From Morocco, North Africa.Ex Cambridgeshire, UK, collection. [No Reserve

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

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

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

Fossilized trilobite . Dimensions: 4 1/2 L X 1 1/2W X 4H Inches

**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 preh

Group of four fossilized trilobites in a metamorphic limestone matrix, likely from the region in or around Morocco. The fossilization process occurred over 300 million years ago, but due to our lack o

Group of four fossilized trilobites in a metamorphic limestone matrix, likely from the region in or around Morocco. The fossilization process occurred over 300 million years ago, but due to our lack o

Group of four fossilized trilobites in a metamorphic limestone matrix, likely from the region in or around Morocco. The fossilization process occurred over 300 million years ago, but due to our lack o

DESCRIPTION: Four fossilized trilobites, three of which are in matrixes. One trilobite has a fairly well-preserved eye. CIRCA: Ancient DIMENSIONS: (Trilobites, not including matrixes) H: 0.25-1.25" W: