(Hamm) Douglas was first described under the name by A. Hamm in 1912. A study of Hamm's publication indicates that the original characterization of this organism was based primarily on published reports of anaerobic staphylococci isolated by other authors, even though Hamm did mention the isolation of an anaerobic coccus. The currently accepted descriptions of this organism were not taken from the original publication by Hamm but from the description of by A. R. Prévot in 1933. Modern data and insight strongly suggest that the original description of Hamm was based on a very small number of generally variable and nondifferentiating characteristics of strains which very probably represented several species of anaerobic cocci. Provision 3 of the International Code of Nomenclature of Bacteria states that “… names applied to a group made up of two or more discordant elements, especially if these elements were erroneously supposed to form part of the same individual () …” are to be placed on the list of nomina rejicienda. Therefore, it is requested that the Judicial Commission of the International Committee on Systematic Bacteriology issue an Opinion establishing the name (Hamm) Douglas as a nomen confusum according to Provision 3 of the International Code of Nomenclature of Bacteria and placing it on the list of rejected names.


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