Incertae sedis 268 Schmidt et al. 2000 Entotheonella Schmidt et al. 2000 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Proteobacteria (sic) Garrity et al. 2021 Pseudomonadota corrig. Garrity et al. 2021 Alphaproteobacteriota (sic) Garrity et al. 2021 Deltaproteobacteria Kuever et al. 2006 emend. Hahn et al. 2017 Incertae sedis 267 Schmidt et al. 2000 Incertae sedis 268 Schmidt et al. 2000 Incertae sedis 267 Schmidt et al. 2000 Entotheonella Schmidt et al. 2000 Schmidt E.W. Obraztsova A.Y. Davidson S.K. Faulkner D.J. Haygood M.G. Identification of the antifungal peptide-containing symbiont of the marine sponge Theonella swinhoei as a novel δ-proteobacterium, “Candidatus Entotheonella palauensis” 2000 136 6 969 977 Marine Biology Mar Biol 0025-3162 10.1007/s002270000273