Leptanillinae Subfamily AntWorld.org PPE fused with the gaster MN and PP are relatively fused into a single structure Profile view, ventral part of PPE not much developed and distinct Node of PPE higher and larger than PE in profile and dorsal view Japan Anomalomyrma sp. AntWorld.org PE and PPE distinct from gaster and never fused with it MN and PP are relatively fused into a single structure in profile. In dorsal view, thorax in only two distinct parts Profile view, PPE with a well developed but indistinct ventral part PE as height and large as PPE in profile and dorsal view (PPE ventral part not excluded) Japan and France Leptanilla japonica,kubotai morimotoi,oceanica revelierei,okinawensis tanakai AntWorld.org PE and PPE distinct from gaster and never fused with it MN and PP are two distinct structures, in both dorsal and profile view Profile view, PPE with a well developed and distinct ventral part PE higher but as large as PPE in profile and dorsal view (PPE ventral part included) Japan