脊椎动物门 jǐzhuīdòngwùmén vertebrates Origin Definitions Defs Strokes Stroke Words Sentences Sents 脊椎动物 脊椎動物 jǐzhuīdòngwù vertebrate Any animal of the subphylum Vertebrata, characterized by having a backbone and a highly developed nervous system; includes fish, amphibians, reptiles, birds, and mammals.门 門 mén phylum phylum or division in biological taxonomy