Sipuncula (Peanut Worms) is a group of segmented worms. There are 205 species of peanut worms, in 17 genera and 6 families. This group has been around since the Silurian Period. Peanut Worms are a biodiffusor. They have sexual reproduction. Reproduction is dioecious. Peanut Worms are a burrower.
EOL has data for 25 attributes, including: