ProchlorococcusRANK: GenusTAXONOMY: Bacteria -> Terrabacteria group -> Cyanobacteria/Melainabacteria group -> Cyanobacteria -> Prochlorales -> Prochlorococcaceae -> Prochlorococcus OVERVIEW: Marine planktonic cyanobacteria that possess spherical to slightly rod-shaped cells (0.5–0.8 × 0.7–1.6 µm) and divide by binary fission in a single plane. They lack phycobilisomes and contain divinyl-chlorophyll a and b (a 2 and b 2).Type species: Prochlorococcus marinus |