Helicolithus Azpeitia-Moros, 1933
DESCRIPTION: Graphoglyptid burrow with large first order meanders; smaller undulations from a helicoidal spiral; screw direction changes with every turn of the large meanders.
BEHAVIOR(S): N/A
ENVIRONMENTAL SETTINGS: Deep-marine
POSSIBLE TRACEMAKERS: N/A
GEOLOGIC RANGE: Cretaceous-Miocene
ADDITIONAL REFERENCES: Seilacher, 1977; D'Alessandro, 1980; Buatois et al., 2008s
REMARKS: Description from Seilacher (1977).
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