Zoophycos Massalongo, 1855
DESCRIPTION: Spreiten structures consisting of numerous distinct U-shaped, protrusive lobes of variable length, bordered by a marginal tunnel (i.e., causative burrow). Lobes coil spirally around a central axis, which may be a spreiten whorl structure.
BEHAVIOR(S): Fodinichina; feeding burrows of deposit feeders.
ENVIRONMENTAL SETTINGS: Shallow to deep marine
POSSIBLE TRACEMAKERS: Annelid worms, sipunculids, arthropods.
GEOLOGIC RANGE: Cambrian-recent
ADDITIONAL REFERENCES: Książkiewicz 1977, Uchman, 1995, 1999, Oligmueller and Hasiotis 2022.
REMARKS: Found in the shallow-water deposits during the Paleozoic; found mostly in deep-water deposits after the Paleozoic.