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'''The Group Names''' are: Green algae: division Chlorophyta; Euglenids: division Euglenophyta; Dinoflagellates and related forms: division Pyrrophyta; Chrysophytes and diatoms: division Chrysophyta; Brown algae: division Phaeophyta; and Red algae: division Rhodophyta.
'''The Group Names''' are: Green algae: division Chlorophyta; Euglenids: division Euglenophyta; Dinoflagellates and related forms: division Pyrrophyta; Chrysophytes and diatoms: division Chrysophyta; Brown algae: division Phaeophyta; and Red algae: division Rhodophyta.
The main distinctions are based upon the Pigment systems - the inclusion or not of three chlorophylls, special carotenoids and phycobilins; the composition of the Cell wall, or iii) the nature of reserve materials;
The main distinctions are based upon the Pigment systems - the inclusion or not of three chlorophylls, special carotenoids and phycobilins; the composition of the cellulosic Cell wall (Nay, Yay, or double - and with or without algin); and the nature of reserve materials (be they starch, paramylum and fats, starch and oils, leucosin and oils, or laminarin and fats);