|Researched by||Marie Skewes||Refereed by||Admin|
|Other common names||-||Synonyms||Balanus perforatus|
Up to 3 cm in diameter and 3 cm tall, Perforatus perforatus is recognised by its tapered, volcano-like shape. The shell wall consists of 6 purplish plates that are often vertically ridged, and sometimes separated at the apex leaving a jagged lip. Inside the operculum aperture, the tissue is marked with bright colours of pink, purple and blue. The tergoscutal flaps are brown to purple in colour, with blue and white spots.
Aperture usually very small but quite large in sublittoral specimens.
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South East Wales Biodiversity Records Centre, 2018. Dr Mary Gillham Archive Project. Occurance dataset: http://www.sewbrec.org.uk/ accessed via NBNAtlas.org on 2018-10-02
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Last Updated: 08/05/2008