“…On the other hand, Saprospiraceae comprises four valid published genera: Aureispira, Membranihabitans, Rubidimonas, and Saprospira, and seven candidate genera: Candidatus Aquirestis, Candidatus Epiflobacter, Candidatus Brachybacter, Candidatus Opimibacter, Candidatus Parvibacillus, Candidatus Defluviibacterium, and Candidatus Vicinibacter [ 12 , 13 , 14 , 16 , 20 , 21 , 23 , 26 , 41 , 42 ]. As far as the classified species are concerned, the genus of Flavilitoribacter contains Flavilitoribacter nigricans, the genus of Lewinella contains Lewinella cohaerens, and Neolewinella contains twelve species: Neolewinella agarilytica, Neolewinella antarctica, Neolewinella aquimaris, Neolewinella aurantiaca, Neolewinella lacunae, Neolewinella litorea, Neolewinella lutea, Neolewinella marina, Neolewinella maritima, Neolewinella persica, and Neolewinella xylanilytica [ 3 , 6 , 7 , 8 , 9 , 10 , 11 , 38 , 39 , 40 , 43 ]. Portibacter contains Portibacter lacus and Portibacter marinus, Haliscomenobacter contains Candidatus Haliscomenobacter calcifugiens and Haliscomenobacter hydrossis, and Phaeodactylibacter contains Phaeodactylibacter luteus and Phaeodactylibacter xiamenensis [ 12 , 15 , 17 , 22 , 24 , 40 ].…”