Cyanophyceae n 1: photosynthetic bacteria found in fresh and salt water, having chlorophyll a and phycobilins; once thought to be algae: blue-green algae [syn: {class Cyanobacteria}, {Cyanophyceae}, {class Cyanophyceae}]
Myxophyceae \Myxophyceae\ prop. n. (Biol.) A former term for the natural family {{Cyanophyceae}}. Syn: family {Myxophyceae}, Schizophyceae, family {Schizophyceae}. [WordNet 1.5]