Teichichnus Seilacher, 1955

DESCRIPTION: Vertical to oblique, singular to interpenetrated, elongated to arcuate spreiten burrows with individual spreite stacked concavely upward (retrusive) or convexly downward (protrusive), with or without passively filled terminal causative burrow preserved, oriented at various angles with respect to bedding (modified after Frey & Howard, 1985; Knaust, 2018).

BEHAVIOR(S): Fodinichnia, Feeding burrow of an infaunal vermiform feeder.

ENVIRONMENTAL SETTINGS: Marine lower shoreface, intertidal and estuarine settings, lagoons, deep-marine fans, and abyssal plains.

POSSIBLE TRACEMAKERS: Annelid or polychaete worms

GEOLOGIC RANGE: Cambrian-recent

ADDITIONAL REFERENCES: Häntzschel, 1975; Frey & Howard, 1985; Fillion and Pickerill, 1990; Mørk & Bromley, 2008; Knaust, 2018; Oligmueller & Hasiotis, 2024.

REMARKS: Composed of spreiten that might be confused with the spreiten seen in cross section produced by Diplocraterion and Rhizocorallium.