Phylum Chordata
Phylum Chordata
graph TB
A[Phylum Chordata]
A --> B1[Subphylum Vertebrata]
A --> B2[Subphylum Urochordata]
A --> B3[Subphylum Cephalochordata]
B1 --> C1[Class Mammalia]
B1 --> C2[Class Aves]
B1 --> C3[Class Reptilia]
B1 --> C4[Class Amphibia]
B1 --> C5[Class Osteichthyes]
B2 --> D1[Class Ascidiacea]
B3 --> E1[Class Leptocardii]
