[1] Chordata [2] Bilaterally symmetric animals with notochord, dorsal hollow neural tube, and gill clefts in the pharynx [0] 
Phylum
K i n g d o m
P h y l u m
S u b - P h y l u m
C l a s s
O r d e r
F a m i l y
G e n u s
S p e c i e s
S u b - S p e c i e s