The Sleestak are a species of reptilian/insectoid humanoid beings from the classic seventies Saturday morning TV show
Land of the Lost.
Land of the Lost involves the adventures of a family of three modern-day (that is, seventies modern-day) human beings trapped in a loop of space-time also occupied by various beings from diverse locations and eras. The Sleestak are brutal and primitive although they are descended from a civilized and highly evolved race.
I like the visceral effect of leaving the back open.
An image of a Sleestak from
Land of the Lost.