Acanthosaura crucigera () is a species of lizard commonly known as the masked spiny lizard, Boulenger's pricklenape, or masked horned tree lizard. They are found in Myanmar, Thailand, Peninsular Malaysia, and Cambodia.
They have a distinct diamond-shaped black mark on the upper side of the neck and measure about in total, snout to tip of the tail.
References
External links Flickr photo by Dave, Kaeng Krachan National Park - Thailand