Arthropods belong to an evolutionary branch – the ecdysozoa – that contains about half of all animal species, and now we have found the earliest fossil evidence of the group
Arthropods belong to an evolutionary branch – the ecdysozoa – that contains about half of all animal species, and now we have found the earliest fossil evidence of the group Arthropods belong to an evolutionary branch – the ecdysozoa – that contains about half of all animal species, and now we have found the earliest fossil evidence of the group