Bicrescomanducator Donovan, Paul, Andrew et Howe, 2010

Predation; substrate calcareous; tracemaker invertebrate

Category of architectural design: 2.66. Clavate-shaped borings.

Unvranched, irregular-subcrescentic.

Diagnosis. An irregular-shaped patch, commonly subcrescentic, missing from a substrate and extending onto both sides. Damage asymmetrical, commonly extending further on one side than on the other side. Almost invariably occurs singly.