PHYLUM HEMICHORDATA (lmni, half + chorda, cord)

saadia August 13, 2014 1 Comments

PHYLUM HEMICHORDATA (hemi,  half + chorda, cord) The phylum Hemichordata includes the acorn worms (class Enteropneusta) and the pterobranchs (class Pterobranchia. Members of both classes live in or on marine…