Poriferisphaera Kallscheuer et al. 2021 Dataset NCBI Taxonomy Classification phylum Planctomycetota class Phycisphaerae order Phycisphaerales family Phycisphaeraceae genus Poriferisphaera Name Homonyms Poriferisphaera "Poriferisphaera" Kallscheuer et al. 2020 Poriferisphaera Kallscheuer et al. 2021