Major categories Groups Estimates of number of known species of marine algae in Malaysia Estimates of number of known species of marine algae in the world Seaweed and other algae Chlorophytes 78 800 Rhodophytes 69 4000 Phaeophytes 49 1500 Cyanophytes 13 1500 Phytoplankton Diatoms 70 4200 Dinoflagellates 30 1200

Table 1: Estimates of number of known species of marine algae in Malaysia and the world as reported by Mazlan et al [5].