Photo credits. A, B, C, D, G – David Emerson; E, Wood’s Hole Oceanographic Institution; F, Clara Cha   cc-by-nc

Nitrosomonadales is a group of Bacteria. There are 73 species of Nitrosomonadales, in 27 genera and 6 families. Nitrosomonadales includes groups like Nitrosomonadaceae, Sterolibacteriaceae, and Spirillaceae.

Known occurrences, collected specimens and observations of Nitrosomonadales