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. The traces do not branch but often crosscut itself or one another; some ichnospecies are backfilled.

BEHAVIOR(S): Pasichnia and fodinichnia

ENVIRONMENTAL SETTINGS: Fully marine environments.

POSSIBLE TRACEMAKERS: Gastropods or other epifaunal or shallow endofaunal, vagile animal, possibly with a siphon device.

GEOLOGIC RANGE: Cambrian-Carboniferous

ADDITIONAL REFERENCES: Emended by Mangano et al. (2002)

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