Figures

Figure 19.2   One animal may make many different kinds of trace fossils. The modern fi ddler crab Uca makes: (a) a J-shaped living burrow (domichnion; Psilonichnus), (b) a walking trail (repichnion; Diplichnites), (c) a radiating grazing trace with balls of processed sand (pascichnion), and (d) fecal pellets (coprolites). (Based on Ekdale et al. 1984.)

← Back