1. (noun) mostly freshwater eukaryotic algae having the chlorophyll masked by brown or yellow pigment; yellow-green and golden-brown algae and diatoms: Xanthophyceae, Chrysophyceae, Bacillariophyceae; some classification systems superseded or subsumed by Heterokontophyta

• division chrysophyta

1. (noun) mostly freshwater eukaryotic algae having the chlorophyll masked by brown or yellow pigment; yellow-green and golden-brown algae and diatoms: Xanthophyceae, Chrysophyceae, Bacillariophyceae; some classification systems superseded or subsumed by Heterokontophyta

• bacillariophyceae
• class bacillariophyceae
• class diatomophyceae
• diatomophyceae
• chrysophyceae
• class chrysophyceae
• class heterokontae
• heterokontae
• class xanthophyceae
• xanthophyceae
• golden algae
• heterotrichales
• order heterotrichales
• yellow-green algae

1. (noun) mostly freshwater eukaryotic algae having the chlorophyll masked by brown or yellow pigment; yellow-green and golden-brown algae and diatoms: Xanthophyceae, Chrysophyceae, Bacillariophyceae; some classification systems superseded or subsumed by Heterokontophyta

• division

1. (noun) mostly freshwater eukaryotic algae having the chlorophyll masked by brown or yellow pigment; yellow-green and golden-brown algae and diatoms: Xanthophyceae, Chrysophyceae, Bacillariophyceae; some classification systems superseded or subsumed by Heterokontophyta

• kingdom protoctista
• protoctista