TableĀ 3.

Estimated time taken to construct selected burrows shown in Figure 3; most likely tracemaker and burrowing rates refer to Table 2

IchnotaxonFigureApproximate volume (cm3)Most likely tracemakerMaximum time estimate (h)Minimum time estimate (h)
Diopatrichnus3b4.02B202
Macaronichnus3d0.06D61
Polykladichnus3e15.08D(1508)30
Psilonichnus3f1382.3B(6911)138

Estimated times in excess of half a synodic tidal cycle are unlikely and are shown in parentheses.