"Manguin, 1952" . . _:b76654007 . "Synedra dorsiventralis f. biconstricta" . . _:b76654007 . . . . "Synedra dorsiventralis f. biconstricta" . _:b76654007 "982587" . . . _:b76654007 "WoRMS id" . . "853135" . . "Synedra dorsiventralis f. biconstricta Manguin, 1952" . "Synedra dorsiventralis f. biconstricta" . "982587" . . _:b76654007 .