chordata

chordata   Dan chordata

Chordata are bilaterally symmetric, deuterostome coelomates, and the vertebrate

Chordata AphiaID 1821 Classification Biota; Animalia ; Chordata Authority  Animals in the phylum Chordata share four key features: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail

หญ้านางนวล Chordata · Taxonavigation · Name · Classifications · References · Vernacular names  The Phylum Chordata is named for the stiffened rod that extends down the back, called a notochord Chordates have segmented external muscles, a an aorta below