An order of highly pleomorphic, gram-negative bacteria including both pathogenic and saprophytic species. ... (12 Dec 1998) ... 
Type: Term Pronunciation: mī′kō-plaz′mă-tā′lēz Definitions: 1. An order of gram-negative bacteria containing cells that are bounded by a three-layered membrane but do not possess a true cell wall. The minimal reproductive units are 0.2-0.3 mcm in diameter. Pathogenic and saprophytic species occur. These or...
[n] - coextensive with the family Mycoplasmataceae
order Mycoplasmatales noun coextensive with the family Mycoplasmataceae