Pinguicoccus supinus Serra et al. 2020 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Verrucomicrobia (sic) Hedlund 2021 Verrucomicrobiota corrig. Hedlund 2021 Opitutae Choo et al. 2007 Puniceicoccales Choo et al. 2007 Puniceicoccaceae Choo et al. 2007 Pinguicoccus Serra et al. 2020 Pinguicoccus supinus Serra et al. 2020 Pinguicoccus Serra et al. 2020 Pinguicoccus supinus Serra et al. 2020 Serra V. Gammuto L. Nitla V. Castelli M. Lanzoni O. Sassera D. Bandi C. Sandeep B.V. Verni F. Modeo L. Petroni G. Morphology, ultrastructure, genomics, and phylogeny of Euplotes vanleeuwenhoeki sp. nov. and its ultra-reduced endosymbiont "Candidatus Pinguicoccus supinus" sp. nov. 2020 10 1 20311 20311 Scientific Reports Sci Rep 2045-2322 10.1038/s41598-020-76348-z 33219271 Serra V. Gammuto L. Nitla V. Castelli M. Lanzoni O. Sassera D. Bandi C. Sandeep B.V. Verni F. Modeo L. Petroni G. Morphology, ultrastructure, genomics, and phylogeny of Euplotes vanleeuwenhoeki sp. nov. and its ultra-reduced endosymbiont "Candidatus Pinguicoccus supinus" sp. nov. 2020 10 1 20311 20311 Scientific Reports Sci Rep 2045-2322 10.1038/s41598-020-76348-z 33219271