Page 190 - Sedimentology and Stratigraphy

Trace Fossils 177

Fig. 11.14 Examples of common trace fossils: (a) bird footprint; (b) bivalve borings into rock; (c) vertical burrows in sandstone
(Skolithos); (d) large crustacean burrow (Ophiomorpha); (e) complex burrows (Thalassanoides); (f) Zoophycos; (g) Palaeodictyon;
(h) Helmenthoides.