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The Wheeler Shale (named by Charles Walcott) is a Cambrian (c. 507 Ma) fossil locality world-famous [1] for prolific agnostid and Elrathia kingii trilobite remains (even though many areas are barren of fossils) [2] and represents a Konzentrat-Lagerstätte.
Asaphiscus wheeleri, 37 mm long. Asaphiscus are average size trilobites of (up to 8 centimetres or 3.1 inches) with a rather flat calcified dorsal exoskeleton of inverted egg-shaped outline, about 1 + 1 ⁄ 2 × longer than wide, with the widest point near the back of the headshield (or cephalon).
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Elrathia kingii growth series with holaspids ranging from 16.2 mm to 39.8 mm in length. Elrathia is a genus of trilobite belonging to Ptychopariacea known from the mid-Cambrian of Laurentia (North America). [2]
The Marjum Formation is a Cambrian geological formation that overlies the Wheeler Shale in the House Range, Utah. [1] [3] It is named after its type locality, Marjum Pass, and was defined in 1908. [2]
Pseudoarctolepis (meaning "false Arctolepis") is an extinct genus of bivalved arthropod known from the Cambrian period. The type species, P. sharpi was described by Brooks & Caster in 1956 from specimens found in the Wheeler Shale of Utah. [1]
Wheeler Amphitheater in Millard County, Utah [Note 2] Wheeler Shale: Cambrian: North America: US: Utah: Trilobites [Note 1] Woodbine, Texas [Note 2] Arlington Archosaur Site [Note 3] Woodbine Formation: Cretaceous (Cenomanian) North America: US: Texas: Dinosaurs and crocodilians: Ziegler Reservoir fossil site ('Snowmastodon Site') Pleistocene ...
Wheeler Shale: Cambrian: White Pine Shale: Carboniferous: See also. Paleontology portal; Utah portal; Paleontology in Utah; References Various Contributors to the ...