Animals of the subphylum named Urochordata under the phylum Chordata are called as Urochordates (singular- Urochorsate). They are also known as Tunicates (singular- Tunicate). This subphylum is also known as tunicata.
Following characteristics are found in Urochordates or Tunicates:
Larva is known as tadpole having gill-slits, hollow nerve-cord (found in dorsal side) and notochord (found in tail region). Adult Continue reading...