Petroxestes Wilson et Palmer, 1988

Taxon description

Buatois et al., 2017

2.65. Pouch borings

Knaust, 2012a

Unbranched, groove.

Taylor & Wilson, 2003

Remark: Shallow to deep boring with elongate outline and rounded base.

Wilson & Palmer, 1988

Diagnosis. —Shallow to deep, elongate borings in lithic sub­strates; rounded ends and parallel, slightly convex, or slightly concave sides in plan view; rounded bottoms in longitudinal and transverse section; sides parallel or slightly divergent down­ wards in deeper specimens; length up to 30 mm; several times as long as wide.