An international team of scientists has uncovered a fascinating piece of the evolutionary puzzle: how the ventral nerve cord, a key component of the central nervous system, evolved in ecdysozoan ...
However, a close look at Cambrian-age (541 million years to 485 million years ago) fossils of Scalidophora, a subgroup of Ecdysozoa found in marine environments, has revealed the source of these ...
These fossils include representatives of the early-evolving Scalidophora, a subgroup of Ecdysozoa, offering a rare glimpse into the nervous system architecture of ancient animals. Ecdysozoans ...