A Trilobite from the Haragan Formation

Hutonia lingulifer Paleozoic Era, Devonian Period, 416 million years ago Haragan Formation, Coal County, Oklahoma specimen height 1.5 in. x length 2.5 in. Provenance from the Steve Dowell Collecti

Kettneraspis williamsi  Paleozoic Era, Devonian Period, 416 million years ago Haragan Formation, Claita, Oklahoma plate height 3.5 in. x length 3 in. Provenance  from the Steve Dowell Collection,�

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

Fossil Trilobite Ptychagnostus michaeli Marjum Formation Utah

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

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 fantastic and well preserved fossilized trilobite raised above a stone matrix. The trilobite ha

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

Dipleura dekayi Paleozoic Era, Devonian Period, 416 million years ago Skaneateles Formation, Hamilton Group, New York lot of 2, longest 9.75 in. Provenance  >from the Steve Dowell Collection, Kent

Very Nice Trilobite, Odontochile Spiniferum, the Devonian Era. From the HAMAR Laghdad Formation in ALNIF Morocco. 5" x 3 1/4" x 2" (150-300)

Devonian Period, 417-354 million years B.P.. Hollardops mesacristata trilobite on a matrix. 121 grams, 77 mm (3 in.). From the Atlas Mountains, Hamar Laghdad Formation, Pragian, (Alnif), Morocco. From

Upper Devonian Period, 385-359 million years B.P.. Cheirurus (Crotalocephalina) trilobite Crotalocephalus gibbus fossil on a matrix. 175 grams, 72 mm (2 7/8 in.). From Hamar Laghdad Formation, Pragian

Devonian Period, 417-354 million years B.P. A fossil Paralejurus rehamnanus trilobite on a matrix. 234 grams, 92 mm (3 5/8 in.). From the Atlas Mountains, Hamar Laghdad Formation, Pragian, (Alnif), Mo

lot of 3, includes: Elrathia kingii Paleozoic Era, Cambrian Period, 542 million years ago Wheeler Formation, Millard County, Utah plate length 3.75 in. Peronopsis interstrictus Paleozoic Era, Cambrian

Upper Devonian Period, 385-359 million years BP. A Metacanthina barrandei trilobite on a matrix, from the Atlas Mountains, Hamar Laghdad Formation, Pragian, (Alnif), Morocco. 240 grams, 91mm (3 1/2").

Devonian Period, 417-354 million years B.P. A fossil Morocops barrandeops sp. trilobite on a matrix. 331 grams, 85 mm (3 3/8 in.). From the Atlas Mountains, Hamar Laghdad Formation, Pragian, (Alnif),

Devonian Period, 417-354 million years B.P. A Hollardops merocristata fossil trilobite on a matrix. 206 grams, 84 mm wide (3 1/4 in.). From the Atlas Mountains, Hamar Laghdad Formation, Pragian, (Alni

Upper Devonian Period, 385-359 million years BP. A Reedops cephalotes trilobite on a matrix from the Atlas Mountains, Hamar Laghdad Formation, Pragian, (Alnif), Morocco. 270 grams, 10cm (4"). From an

Upper Devonian Period, 385-359 million years BP. A Metacanthina barrandei trilobite on a matrix from the Atlas Mountains, Hamar Laghdad Formation, Pragian, (Alnif), Morocco. 430 grams, 95mm (3 3/4").

Upper Devonian Period, circa 385-359 million years B.P.. A Reedops sp. trilobite on matrix, clearly showing the external structures. 230 grams, 88 mm (3 1/2 in.). From the Hamar Laghdad Formation, Atl

Ancient Seas, Northwestern Africa, Morocco, Anti-Atlas Mountains, Jbel Wawrmast Formation, Cambrian period, ca. 516 to 505 million years ago. A superb and unusual fossil featuring two overlapping tril

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

**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

Exceptionnelle plaque fossile présentant un groupe de trilobites après extinction simultanée Exceptional Trilobite Mass Mortality Plate Paradoxydes sp. Middle Cambrian Morocco Trilobite