Tag Archives | Chordate Characters

In this article we will discuss about the gradual appearance of chordate characters in protochordates . The chordates exhibit different gradations of structural organisation from simple to com­plex. The protochordates including the three subphyla—Hemichordata, Urochordata and Cephalochordata—are the primitive members of the Phylum Chordata. All of them lack verte­bral column and skull. They form an […]