Psammichnites Torrell, 1870
DESCRIPTION: Straight to curvaceous or looping ribbonlike trails that occur most commonly in convex epirelief. Trails are about 2 to 5 cm wide and have a median dorsal ridge and closely spaced transverse ridges. Psammichnites doesn't branch, but often crosses itself, and some ichnospecies are backfilled.
BEHAVIOR(S): Pasichnia and fodinichnia
ENVIRONMENTAL SETTINGS: Fully marine
POSSIBLE TRACEMAKERS: Gastropods or other subsurface vagile animal with a siphon device
GEOLOGIC RANGE: Cambrian-Carboniferous
ADDITIONAL REFERENCES: Emended by Mangano et al. (2002)
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