Stipitichnus Genise, 1995,

Macroboring; substrate xylic; tracemaker invertebrate

Diagnosis: Longitudinal borings, mostly parallel,without branching, and with circular cross-sections. Someborings exhibit rounded terminations, and most of themdo not have any outer layer and are empty. Borings are in apermineralized stem of a palm, which exhibits well pre-served cellular structure.

Category of architectural design: 2.59. Cylindrical vertical to oblique borings.

Unbranched, cylindrical.