Skolithos (Haldeman, 1840)

DESCRIPTION: Straight vertical to slightly inclined cylindrical tube burrows. Burrows are parallel, do not branch, cross, nor interpenetrate. Walls of burrow are smooth with structureless fill. Can be slightly J-shaped.

BEHAVIOR(S): Dwelling, suspension feeding, predation.

ENVIRONMENTAL SETTINGS: Found in virtually every type of environment from marine to terrestrial Present in high-energy marine conditions, especially in nearshore shallow marine facies, deep marine submarine channels and canyons; continental floodplain and dune settings.

POSSIBLE TRACEMAKERS: Worms, phoronids, and insect larvae. Arthropods, small vertebrates.

GEOLOGIC RANGE: Precambrian-recent.

ADDITIONAL REFERENCES: (Emended: Alpert, 1974)(Fillion and Pickerill, 1990)


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