Earthworms, leeches, and relatives is a group of segmented worms. There are 7789 species of earthworms, leeches, and relatives, in 723 genera and 57 families. This group has been around since the Moscovian Age. Clitellata (earthworms, leeches, and relatives) includes groups like Dorydrilidae, Tiguassuidae, and Alluroididae.
EOL has data for 9 attributes, including: