Phycology (Algae)

Source: http://www.buzzle.com/articles/phaeophyta-brown-algae.html

Phaeophyta (Brown Algae)
Multicellular
Chlorophyll a + c, fucoxanthin
Store mannitol
Produce algin

Source: http://www.ucmp.berkeley.edu/protista/rhodophyta.html

Rhodophyta (Red Algae)
Multicellular
Cellulose cell wall
Chlorophyll a + d, Phycocyanin, Phycoerythrin.
Store glucose polymers
Produce agar

Source: http://microbewiki.kenyon.edu/index.php/Chlorophyta

Chlorophyta (Green Algae)
Unicellular or multicellular
Cellulose cell wall
Chlorophyll a + b, Beta-Carotene

Source: http://www.ucmp.berkeley.edu/chromista/diatoms/diatommm.html

Bacillariophyta

Unicellular
Diatoms
Pectin and glass cell wall
Chlorophyll a + c, fucoxanthin

Source: http://www.mnh.si.edu/highlight/sem/dinoflagellates.html

Dinoflagellates 
Unicellular
Cellulose is plasma membrane
Chlorophyll a + c, dinoxanthin
Store: Starch