● Moore RL,Weiner RM,Gebers R (1984). Notes: Genus Hyphomonas Pongratz 1957 nom. rev. emend., Hyphomonas polymorpha Pongratz 1957 nom. rev. emend., and Hyphomonas neptunium (Leifson 1964) comb. nov. emend. (Hyphomicrobium neptunium). Int. J. Syst. Bacteriol. 34, 71-73.
● Leifson E (1964). Hyphomicrobium neptunium sp. n. Antonie Van Leeuwenhoek 30, 249-256.
