variabilis

	site	site # (info)	collection date	kind	depth	substrate	salin	comments	reference
A	Gullmarfjord, Bokevik (Bökevik, Bökovik), Sweden	862 map	prior to 1946	default type	15-20 m	strongly mixed sand, clay (stark sandvermischtem Lehmboden)			Westblad E (1946): 44
B	Rovigno (Rovigno d'Istria, Rovinj), Croatia	1146 map	1956 or earlier		35 m				Riedl R (1956): 81