Fossils of the Burgess Shale: A National Treasure in Yoho National Park, British ColumbiaNatural Resources Canada, 1985 - 31 páginas This publication, designed for the public, describes the discovery of the Burgess shale, recent work on its formation, and the flora and fauna found in it. The major animal groups are described and illustrated. The scientific significance of the shale is explained. |
Otras ediciones - Ver todo
Términos y frases comunes
abundant algae Anomalocaris arthropods Aysheaia bivalved bodyplan brachiopods brachiopods attached bundles of chaetae Burgess Shale animals Burgess Shale fauna Burgessia Burgessochaeta burrow calcium carbonate Cambrian rocks Canadaspis Canadia chaetae chordate chordate Pikaia creatures crinoids deposited Dinomischus Dolostone dorsal echinoderms Echmatocrinus Eiffelia elongate empty tube example exoskeleton feeding Figure 32 flaps food particles front genera Geological globular Hallucigenia head Hyolithes hyolithids Insolicorypha invertebrate animal jointed known layer Leanchoilia limestone living Louisella marine Marpolia Marrella Middle Cambrian Miscellaneous animals Molaria molluscs monoplacophoran non-trilobites Olenoides Opabinia operculum Ottoia Pagetia pair of limbs paleontologists phyla phylum Pikaia Pirania plates polychaete worms predator preserved priapulid worm reef escarpment scales seabed seafloor segmented body Selkirkia Fig SHALE WAS FORMED Shallow-water showing Sidneyia skeleton soft soft-bodied fossils species specimen spicules spines sponges submarine cliff surface tentacles town of Field trilobites trunk and tail valves Vauxia Walcott walking legs Wiwaxia Yoho National Park Yohoia