Two subphylums of this phylum contain a groove in the pharynx which produces mucus to gather food known as the endostyle.
Two subphylums of this phylum contain a groove in the pharynx which produces mucus to gather food known as the endostyle. Those two subphylums are known as tunicates and lancelets. This largest phylum in the superphylum deuterostome includes a subgroup known as the craniates along with a class known as agnatha. Members of this phylum contain a post anal tail, although this feature often disappears during development of the fetus. Other characteristics of this phylum include pharyngeal clefts, a dorsal nerve chord and a notochord. For 10 points, name this phylum of animal that includes mammals.
Two subphylums of this phylum contain a groove in the pharynx which produces mucus to gather food known as the endostyle.
{chordate} or {chordata} (prompt on “vertebrates”)