Single species isolated from mangrove soils, for example, that by Stolk (1955) on an Emericellopsis and Westerdykellaornata from East Africa and the paper by Swart (1970) on a Pencillium from Australia. The thraustochytrids comprise 7 genera and 31 species of marine fungoid protists has been found in estuarine, Littoral, and oceanic waters and sediments around the world. (Gaertner 1967a, 1968a,b; Bahnweg and Sparrow, 1974).