Ascidiella aspersa (Müller, 1776)
Ascidiidae

Locality:
Grevelingen, The Netherlands

Literature for identification (localities mentioned):
Hayward & Ryland, 1995; p. 705 (Norway to Mediterranean)
Nagabhushama & Krishnamoorthy, 1992; (India)

Oosterschelde

Oosterschelde

Britain / Ireland
from Ulster Museum webpage