Marinilabiliaceae  The Marinilabiliaceae are a family of bacteria. The cells are thin, flexible rods. Mostly species are motile by gliding. They are saccharolytic and need NaCl for growing. All species of Marinilabiliaceae are heterotrophic, they do not perform photosynthesis. The genera "Alkaliflexus" and "Anaerophaga" as well as some other genera have a strictly fermentative metabolism. "Marinilabilia" is facultatively anaerobic. It has respiratory and fermentative types of metabolism. The Marinilabiliaceae consists of the following genera: