Bell Shade Pendants:
Bell shades typically will be narrow where they attach to the fixture tapering to a wider opening for the bulb.
Cone Shade Pendants:
Cone or Pyramid shades will have a narrow top or bottom with a straight edge opening to a wider area for the bulb.
Cylinder Shade Pendants:
Cylinder shades are round straight shades that predominantly project light in one direction.
Oval Shade Pendants:
The oval shape of these shades is in reference to the opening itself and are generally more narrow than typical shades.
Rectangular Shade Pendants:
Rectangular or square shades are classically associated with contemporary, art deco and asian styling.
Drum Shade Pendants:
Drum shades are becoming more and more popular, generally used to accent traditionally classy rooms.