Isochrysis

Isochrysis is a genus of haptophytes. Until recently this genus was also thought to contain the 'T-iso' algae frequently used in aquaculture; that species has been reclassified as Tisochrysis lutea.

Species
There are six species:
 * Isochrysis galbana
 * Isochrysis litoralis
 * Isochrysis maritima
 * Isochrysis nuda
 * Isochrysis santou – uncertain taxonomic status
 * Isochrysis zhanjiangensis