Organisms in this class are the hagfishes. Hagfishes live in temperate, deep, marine water. They feed on carrion and polychaete worms using sensitve tentacles around their mouths to locate their pray. They have a single nostril which opens into a pharynx.
Pacific hagfish (Eptatretus Stouti)
Diversity of vertebrates. (2010). Retrieved from http://www.shsu.edu/~bio_mlt/Chapter3.html
