Everyone has a past. That includes the millions of species of insects, arachnids, and nematode worms that make up a major animal group called the Ecdysozoa. Everyone has a past. That includes the millions of species of insects, arachnids, and nematode worms that make up a major animal group called the Ecdysozoa. Evolution Paleontology & Fossils Phys.org – latest science and technology news stories
Tiny worm makes for big evolutionary discovery: Scientists describe ‘Uncus,’ the oldest ecdysozoan
