1. Runcina coronata. Pitchy brown with a whitish collar and yellowish periphery when seen on shore. White faeces, from grazing on Lithothamnion, excreted from anus under mantle onto foot. Lleyn Peninsula, Wales. April 2010. Found by Debbie Evans.
2. Runcina coronata. Pitchy brown with a whitish collar and yellowish periphery when seen on shore. White faeces, from grazing on Lithothamnion, excreted from anus under mantle onto foot. Lleyn Peninsula, Wales. April 2010. Found by Debbie Evans.

Runcina coronata. Pitchy brown with a whitish collar and yellowish periphery when seen on shore. White faeces, from grazing on Lithothamnion, excreted from anus under mantle onto foot. Lleyn Peninsula, Wales. April 2010. Found by Debbie Evans.