Lepidenteron Frič, 1878

Eunicid polychaetes preying on fish have been suggested as the producers of this ichnotaxon (Bieńkowska-Wasiluk et al., 2015).

Diagnosis.—Unbranched tubular structure without a wall, partly lined with bioclasts. Orientation to bedding variable; terminations mostly diffuse, not associated with any discontinuity surface (Jurkowska and Uchman 2013).