Report - ˘ ˇˆ ˙ ˝ ˆ ˛˚ ˜ ˛ˆ · the latest Llandovery and earlier Wenlock, Tubiferoceras proboscoideum from the early Wenlock, Phragmoceras acuminatum, Phragmoceras sigmoideum, Phragmoceras

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