Figures

Figure 19.6   Typical trace fossils of the Lower Silurian sediments of the Welsh Basin (Nereites ichnofacies): (a) Helminthopsis, (b) Paleodictyon, (c) Nereites, (d) Gordia, and (e) the pre- and post-turbidite trace fossil assemblages. (Courtesy of T. P. Crimes.)

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