robusta

	site	site # (info)	collection date	kind	depth	substrate	salin	comments	reference
A	sublittoral sample station #24 (Schweinebucht, West), Sylt	435 map	April 1983	type locality	5 m	fine sand			Noldt U (1989): 21
B	sublittoral sample station #25 (Schweinebucht, Bake innen), Sylt	436 map	April 1983		3 m	medium sand			Noldt U (1989): 21