Major Seventh	GM7 [G-B-D-F♯]
Dominant Seventh	G7 [G-B-D-F]
minor Seventh	Gm7 [G-B♭-D-F]
half-diminished Seventh	GØ7 or G7♭5 [G-B♭-D♭-F]
fully-diminished Seventh	GO7 [G-B♭-D♭-F♭(E)]
diminished Major Seventh	GOM7 [G-B♭-D♭-F♯]
minor-Major Seventh	GmM7 [G-B♭-D-F♯]
Augmented Seventh or Dominant 7♯5	G+7 or G7♯5 [G-B-D♯-F]
Augmented-Major Seventh	G+M7 or GM7♯5 [G-B-D♯-F♯]