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Dinosaur Systematics: Theropod teeth from the Judith River Formation of southern Alberta, Canada
Abstract Few attempts have been made in the past to identify dinosaur teeth at the species level, and consequently, many have assumed that they cannot be identified. However, a diverse assemblage ofExpand
LONG EXPECTED SPONGES FROM THE NEOPROTEROZOIC EDIACARA FAUNA OF SOUTH AUSTRALIA
ABsTRAC--New fossils from the Neoproterozoic Ediacara fauna of South Australia are interpreted as the oldest known hexactinellid sponges. They occur within the Ediacara Member of the RawnsleyExpand
Trace fossils and depositional sequences in a clastic shelf setting, Upper Cretaceous of Utah
ABSTRAcr-In Coal Creek Canyon, Utah, the Spring Canyon Member of the Blackhawk Formation is divisible into four regressive hemicycles of deposition, each representing the downdip part of aExpand
Porifera of the Middle Cambrian Wheeler Shale, from the Wheeler Amphitheater, House Range, in western Utah
Continued collection of trilobites and the associated fauna out of the Elrathia kingii beds of the Middle Cambrian Wheeler Shale, in the Wheeler Amphitheater of the House Range in western MillardExpand
Sponges of the Middle Cambrian Marjum Limestone from the House Range and Drum Mountains of western Millard County, Utah
New collections include excellent, nearly complete, examples of Leptomitus metta n. sp., Hamptonia bowerbanki Walcott, 1920, Choia carteri Walcott, 1920, Choia utahensis Walcott, 1920, Choia hindeiExpand
ORDOVICIAN “SPHINCTOZOAN” SPONGES FROM PRINCE OF WALES ISLAND, SOUTHEASTERN ALASKA
Abstract A faunule of silicified hypercalcified “sphinctozoan” sponges has been recovered from a clast of Upper Ordovician limestone out of the Early Devonian Karheen Formation on Prince of WalesExpand
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