Cubiculum Roberts, Rogers et Foreman, 2007

Diagnosis.Discrete ovoid borings in bone. Hollow, oval chambers with concave flanks bored into inner spongy and outer cortical bone surfaces. Chamber length three to four times greater than diameter. May be isolated, but observed more commonly in dense, sometimes overlapping concentrations. Walls roughened commonly, composed of shallow, arcuate (apparently paired) grooves.

Macroboring; substrate osteic; tracemaker invertebrate.

Diagnosis (revised): Elongate, straight, or arcuate chambers in bone with steep margins and concave flanks throughout, long axis parallel to substrate surface.

Category of architectural design: 2.65. Pouch borings.

Unbranched, ovoid.