mortenseni

	site	site # (info)	collection date	kind	depth	substrate	salin	comments	reference
A	Island of São Sebastião (Ilha de Sebastiao), Brazil	60 map	1949 or earlier in the 1940s	type locality	below low water line	coarse sand with tufts of Padina and other algae		40 specimens in various stages of development. / tufts of Padina and other algae, other fauna Gyratrix hermaphroditus Ehrbg. and Microstomum ulum.	Marcus Er (1950): 30, 106
B	Falkland Islands (Islas Malvinas, Iles Malouines)	2820 map	1903 or earlier						Westblad E (1952): 11; [location from Louise Bush notes on literature for this species, see card or notes]