-chrysophyta-

n. a division of mostly freshwater eukaryotic algae having the chlorophyll masked by brown or yellow pigment; yellow-green and golden-brown algae and diatoms, including the Xanthophyceae, Chrysophyceae, Bacillariophyceae; some some classification systems superseded or subsumed by Heterokontophyta.
Syn. -- division Chrysophyta. [ WordNet 1.5 ]