Schaubcylindrichnus Frey and Howard, 1981

DESCRIPTION: Curved vertical to subhorizontal, oblong, ellipsoidal to circular, well-lined, sediment- filled tube. Both interior and exterior wall surface is smooth. Can be singular tubes or occur in closely spaced clusters. Tubes can be composed of carbonate.

BEHAVIOR(S): Dwelling (domichnia) or feeding (fodinichnia) burrow

ENVIRONMENTAL SETTINGS: Common in shoreface settings, slightly seaward of high-energy environments.

POSSIBLE TRACEMAKERS: Marine suspension feeders or tubicolous deposit feeders, such as maldanid polychaete worms.

GEOLOGIC RANGE: Cretaceous-recent.

ADDITIONAL REFERENCES:

REMARKS: Was previously referred to as Terebellina, now an inappropriate ichnogeneric name. The name belongs to a polychaete worm.

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