Phycodes Richter, 1850


DESCRIPTION: Bundled splayed pattern of horizontal burrows originating from a central base point and fan outwards in a broom-like pattern of individual burrows. Proximal part of main tunnels unbranched, distal tunnels divide at acute angles into several free cylindrical tunnels.

BEHAVIOR(S): Feeding burrow made by repeated probes by an organism into the sediment.

ENVIRONMENTAL SETTINGS: Fully marine. Environments subjected to frequent episodic depositional events. Common in tidally-influenced zones such as tidal point bars and tidal flats.

POSSIBLE TRACEMAKERS: Burrowing marine organisms such as worms.

GEOLOGIC RANGE: Cambrian-recent.

ADDITIONAL REFERENCES: (Fillion and Pickerill, 1990)


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