Clavelina lepadiformis. Site: W of Colin Rock, Strangford Lough
 Clavelina lepadiformis. Event number: 19830602/02. Site: W of Colin Rock, Strangford Lough. 1983-06-02. Photograph © Bernard Picton. (6/18) 
 Bernard Picton (2026). Photograph of Clavelina lepadiformis. Site: W of Colin Rock, Strangford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_1978.jpg. Accessed on 2026-11-04