Poriferisphaera Kallscheuer et al. 2021 Poriferisphaera corsica Kallscheuer et al. 2021 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Planctomycetes (sic) Garrity and Holt 2021 Planctomycetota corrig. Garrity and Holt 2021 Phycisphaerae Fukunaga et al. 2010 Phycisphaerales Fukunaga et al. 2010 Phycisphaeraceae Fukunaga et al. 2010 Poriferisphaera Kallscheuer et al. 2021 Phycisphaeraceae Fukunaga et al. 2010 Algisphaera Yoon et al. 2014 Phycisphaera Fukunaga et al. 2010 Mucisphaera Kallscheuer et al. 2022 Poriferisphaera corsica Kallscheuer et al. 2021 Kallscheuer N. Wiegand S. Kohn T. Boedeker C. Jeske O. Rast P. Müller R.-W. Brümmer F. Heuer A. Jetten M.S.M. Rohde M. Jogler M. Jogler C. Cultivation-Independent Analysis of the Bacterial Community Associated With the Calcareous Sponge Clathrina clathrus and Isolation of Poriferisphaera corsica Gen. Nov., Sp. Nov., Belonging to the Barely Studied Class Phycisphaerae in the Phylum Planctomycetes. 2020 11 602250 602250 Frontiers in Microbiology Front. Microbio. 1664-302X 10.3389/fmicb.2020.602250 33414774