According to the textbook (Table 3.1), the members of Rhodophyceae (Red Algae) are characterized by the presence of Chlorophyll a, Chlorophyll d, and phycoerythrin as their major pigments. In contrast, Chlorophyceae (Green Algae) contain Chlorophyll a and b, while Phaeophyceae (Brown Algae) contain Chlorophyll a, c, and fucoxanthin .