"Legionella antarctica" Shimada et al. 2021 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Gammaproteobacteria order Legionellales family Legionellaceae genus Legionella species Legionella antarctica Name Homonyms Legionella antarctica "Legionella antarctica" Shimada et al. 2021 Legionella antarctica Shimada et al. 2022