Supralabial scale

The Supralabialen ( supralabials, singular Supralabiale, actually supralabiale Scutum, from Latin supra " above" and labium " lip "), often referred to as upper lip plates or scales, at Schuppenkriechtieren are the dandruff, which run along the upper jaw edge of the mouth opening. The rostral, which forms the front end of the two Supralabialreihen is not counted for this purpose. Lower jaw these scales are compared with the sublabial

As with all other head signs the number, shape, size and configuration of the Supralabialen is an important determining feature within the snake systematics.