isolatus

	site	site # (info)	collection date	kind	depth	substrate	salin	comments	reference
A	sublittoral sample station #34 (rot 2), Sylt	445 map	September 1983		12 m	medium sand			Noldt U (1989): 16
B	eastern shore of Sylt Island, Germany	4552 map	1968-1970						Hoxhold S (1974): 26
C	eastern shore of Sylt Island, Germany	4552 map	1970 or earlier	default type				...besiedeln den Sandstrand am Ostufer von List/Sylt in horizontaler Abfolge vom Sublitoral bis in das Supralitoral.	Schilke K (1970): from Ax 2008 (citation)- p. 525
D	List, Sandbank im Wattenmeer östlich List (13), Sylt, Germany	6621 map	1966-1968	type locality				Sandwatt.	Schilke K (1970): 223
E	List, Litoralstation der Biologischen Anstalt Helgoland (12), Sylt, Germany	6620 map	1966-1968					Sandwatt. (leg. Hoxhold)	Schilke K (1970): 223