Methanobrevibacter woeseiMethanobrevibacter woesei is a species of methanogen archaeon, named after Carl R. Woese.DescriptionCoccobacillus with slightly tapered ends, about 0.6 micrometres in width and 1 micrometre in length, occurring in pairs or short chains. Gram-positive reaction. Its cell walls are composed of pseudomurein. It is a strict anaerobe and its type strain is GST. It was first isolated from goose faeces.