Division | Chlorophyta |
Class | Chlorophyceae |
Order | Sphaeropleales |
Family | Scenedesmaceae |
Basionym | Scenedesmus protuberans Fritsch et Rich |
Colony consists of 2-4-(8) cells, mostly arranged side by sides linearly or slightly alternately. Cells smooth and spindle to elliptical or crescent shaped with tapering conical or capitate apex. Cells measure 20-32 μm long and 5-9 μm broad. The small teeth present or absent on inner cells and the marginal cells with elongated apex shows the presence of long spine at the poles which is straight or slightly curved. The marginal cells with straight or slightly convex outer side.
Ecology
Thalli collected as plankton from Pathinettampadi lake, of Agastheeswaram Taluk:and pond at Nattalam,Vilavancode Taluk.