chordata

chordata   Dan chordata

Chordata , phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their

Chordata · Subphylum Cephalochordata · Subphylum Tunicata · Subphylum Vertebrata · Subphylum Urochordata accepted as Tunicata Environment  Chordata refers to a large phylum of animals that includes vertebrates as well as lancelets and sea squirts Several well-known

รีวิวเสริมจมูก Animals in the phylum Chordata share four key features that appear at some stage during their development: a notochord, a dorsal hollow nerve cord, pharyngeal Chordata- This comprising animals having notochord or chorda the Chordata has a notochord at some stage during the life, it is not known