This ventral view of the head shows the proboscis pore at the anterior end (left), and the slit for the large ventral mouth posterior to it, just behind the widening of the body
Cerebratulus herculeus var latus, about 18 cm long and 2.5 cm wide, found by diver Christopher Reeve in Burrows Bay at night resting on the bottom sediment at about 12 m depth. The head is to the left. (Photo by: Dave Cowles, August 2014)