Palaeophycus (Hall, 1847)

DESCRIPTION: Unbranched, cyclindrical burrows that are lined, predominantly horizontal, straight to sinuous, smooth walled, with variable diameter and typically structureless fill similar to host rock.

BEHAVIOR(S): Domichnia (dwelling).

ENVIRONMENTAL SETTINGS: Marine to continental including alluvial, lacustrine, and eolian.

POSSIBLE TRACEMAKERS: Multiple invertebrate burrowing species of both marine and continental origin.

GEOLOGIC RANGE: Precambrian-recent

ADDITIONAL REFERENCES: Emended by Fillion and Pickerill 1990, Pemberton and Frey 1982, Uchman 1995, Melchor 2004, Tanner et al. 2006, Ekdale, et al. 2007

REMARKS: May be confused with Cosmorhaphe, Planolites and Schaubcylindrichnus. See the Pemberton and Frey 1982 on the differentiation between Palaeophycus and Planolites.
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