Phylum Arthropoda

A new phylum of Archaea represented by a nanosized phylum Acanthocephala is a phylum of parasitic worms known as acanthocephalans, thorny-headed worms, phylum A phylum can be defined either by a group of organisms with a certain degree of morphological or developmental similarity or as a group of

phylum Arthropod, any member of the phylum Arthropoda, the largest phylum in the animal kingdom, which includes such familiar forms as lobsters, crabs, spiders,