Late Ordovician solitary rugose corals preserved in life position

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Abstract
Two Late Ordovician unattached solitary rugose corals from the Beaverfoot Formation in southeastern British Columbia were almost certainly preserved in life position. These unique specimens occur beneath large colonial corals and were thus shielded from high-energy events that overturned and transported other individuals. They confirm previous hypotheses that greatly curved solitary corals lay in the sediment with concave sides facing up and at least partly exposed, whereas slightly curved forms were oriented in more upright positions.