Beneath the eye is a prominent ridge, and behind it is a tiny spiracle. The mouth forms a short, wide arch, and bears somewhat long furrows at the corners. Tooth rows number 24–32 in the upper and 36–42 in the lower jaw.
Beneath the eye lies a prominent ridge, with a small opening behind it called a spiracle. The mouth is short and wide, featuring some long furrows at its corners.  The upper jaw has 24-32 teeth, while the lower jaw has 36-42.