Pilichnia Chamberlain, 1971
DESCRIPTION: Vertical to horizontal, subcylindrical to ovoid burrow up to 6 cm in diameter.
BEHAVIOR(S): Domichnia
ENVIRONMENTAL SETTINGS: Organism burrowed through sand to underlying shale
POSSIBLE TRACEMAKERS: May be holothurians or arthropods
GEOLOGIC RANGE: Mississippian-Pennsylvanian
ADDITIONAL REFERENCES:
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