Palaeonemertea is a class of ribbon worms. There are 119 species of Palaeonemertea, in 15 genera and 4 families. It includes groups like Tubulanidae, Carinomidae, and Hubrechtidae. Individuals can grow to 5000 mm. They rely on ciliary gliding to move around.
EOL has data for 12 attributes, including: