phycicoccus elongatus phycicoccus elongatus phycicoccus elongatus is a polyphosphate-accumulating bacterium. it is meso-diaminopimelic acid-containing, gram-positive, asporogenous oval- to rod-shaped and an aerobic chemoheterotroph. phycicoccus elongatus scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: intrasporangiaceae genus: phycicoccus species: p. elongatus binomial name phycicoccus elongatus(hanada et al. 2002) nouioui et al. 2018 type strain lp2tjcm 11141tdsm 14184t synonyms tetrasphaera elongata hanada et al. 2002