Chlorophyll a and b are found in members of Chlorophyceae.
Chlorophyll a,c and fucoxanthin are principal pigments found in Phaeophyceae.
The members of Rhodophyceae are commonly called red algae because of the predominance of the red pigment r-phycoerythrin in their bodies. Apart from this, other major pigments found in them are chlorophyll a and chlorophyll
d.