FOSSILS (ARCHAEOCYATHIDS, CAMBRIAN, 500 MILLION YEARS AG0, EXTINCT GROUP OF SPONGES) BRACHINA GORGE IN THE FLINDERS RANGES NP, SOUTH AUSTRALIA

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Keywords: ancient, archaeocyatha, archaeocyathans, archaeocyathids, australia, brachina, building, cambrian, cups, flinders, fossil, fossils, geological, geology, gorge, gorges, historical, horizontal, ikara, index, limestone, marine, national, organism, organisms, park, period, rangews, reef, rock, rocks, sa, sponge, sponges