To which of the higher taxa listed below do humans (Homo sapiens) not belong?

K

Katie

Active member
To which of the higher taxa listed below do humans (Homo sapiens) not belong?
a. Osteichthyes.
b. Vertebrata.
c. Craniata.
d. Lissamphibia.
e. Synapsida (Mammalia)

I know the answer is A or D... but i'm not sure which one. Help?
 
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