different between ichnofacies vs ichnocoenosis

English

ichno- +? facies

ichnofacies (plural ichnofacies)

A rock sequence whose defining characteristics include its lithology and the trace fossils contained within it, along with other biogenic structures.

ichno- +? coenosis

ichnocoenosis (plural ichnocoenoses)

A trace fossil assemblage, the progenitors of which all belonged to the same faunal community.

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