Chroococcales
…ex Lewin 1977) Florenzano et al. 1986, by virtue of being published in Int. J. Syst. Bacteriol. with a description. They are an important component of photosynthetic picoplankton. These oligotrophic organisms are abundant in nutrient poor tropical waters and use a unique photosynthetic pigment, divinyl-chlorophyll, to absorb…