Spirorhaphe Fuchs 1895
DESCRIPTION: Two-way spirally coiled threads, turning around in the center and running back between the primary coils, possibly multi-floored (modified after Seilacher 1977a). Several complete coils can be made, up to 2.5 cm in diameter.
BEHAVIOR(S): Agrichna, traps or ‘farming traces’ that concentrate nutrients and bacteria for the trace producer to exploit.
ENVIRONMENTAL SETTINGS: Marine, deep marine flysch deposits, sole of turbiditic sandstones
POSSIBLE TRACEMAKERS: Polychaete worms (Hernandez, J.O., 2009)
GEOLOGIC RANGE: Permian-Tertiary
ADDITIONAL REFERENCES: Seilacher, 1977a, Hernandez, J.O., 2009
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