Late Silurian (Pridolian) Wilbur Member of Rondout Formation contains ptenophyllid coral EMBOLOPHYLLUM SCHUCHERTI (Swartz) and other E. spp., corals that are common in Pridolian strata, but that are present in Early Devonian (Lochkovian) strata as well.
Source: GNU records (USGS DDS-6; Reston GNULEX).
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