Plural of celoma; animals possessing a celom or body cavity lined with tissue.
From celom + -ata (plural suffix in biological taxonomy). Used to classify animals that have true body cavities.
Celomata includes most animals you've heard of—worms, insects, fish, dinosaurs, and humans all have celoms, while jellyfish and sponges don't, showing a major branch in the animal family tree!
Complete word intelligence in one call. Free tier — 50 lookups/day.