Ecdysozoa (Ecdysozoans) is a class of animals. There are 1112011 species of Ecdysozoans, in 109207 genera and 4308 families. This class has been around since the ediacaran period. It includes groups like Nematodes and Horsehair Worms.
EOL has data for 4 attributes, including:
The environments in which many ecdysozoans species are known to live. Select an environment to see its ecdysozoans species checklist.