plasticicumulans plasticicumulans plasticicumulans is a genus of bacteria from the familia of candidatus competibacteraceae. plasticicumulans scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: incertae sedis family: incertae sedis genus: plasticicumulansjiang et al. 2011 type species plasticicumulans acidivorans species p. acidivorans p. lactativorans