Change of the names Haloanaerobiales, Haloanaerobiaceae and Haloanaerobium to Halanaerobiales, Halanaerobiaceae and Halanaerobium, respectively, and further nomenclatural changes within the order Halanaerobiales.

A formal proposal is made to rename the order Haloanaerobiales as Halanaerobiales, the family Haloanaerobiaceae as Halanaerobiaceae, the genera Haloanaerobium and Haloanaerobacter as Halanaerobium and Halanaerobacter, respectively, and to change the specific epithets of Halanaerobium acetoethylicum, Halanaerobacter lacunaris, Halocella cellulolytica and Halanaerobium chitinovorans to acetethylicum, lacunarum, cellulosilytica and chitinivorans, respectively. These changes are required in view of Rule 61, Appendix 9, of the Bacteriological Code.