Bichordites Plaziat and Mahmoudi, 1965


DESCRIPTION: Straight to winding, horizontal, cylindrical, unbranched mensicate burrow that are with a heart- to cylindrical-shaped meniscate. Often with central tube. Base of trail may be flat.

BEHAVIOR(S): Deposit feeding (fodinichnia).

ENVIRONMENTAL SETTINGS: Fully marine; most commonly found in shallow-marine deposits

POSSIBLE TRACEMAKERS: Irregular echinoids (heart urchins).

GEOLOGIC RANGE: Cretaceous-recent.

ADDITIONAL REFERENCES: Emended: Uchman 1995, Ghent and Henderson 1966

REMARKS: Full relief burrow distinct from Laminites (Uchman, 1995, 1998); some place this ichnotaxon in the Scolicia group.