Psilonichnus (Fürsich, 1981)

DESCRIPTION: Vertically oriented cylindrical, unlined burrow that normally shows J- Y- or U-shaped structures; lateral branches not necessarily the same diameter as the parent trunks.

BEHAVIOR(S): Dwelling

ENVIRONMENTAL SETTINGS: Marginal marine to terrestrial. Beach, backshore dunes, and lagoonal environments.

POSSIBLE TRACEMAKERS: Crustaceans such as crabs

GEOLOGIC RANGE: Cretaceous-recent

ADDITIONAL REFERENCES: (Emended by Frey et al., 1984)(Uchman, 1995)


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