Chordata is a phylum, vertabrate (vertabrata) is a sub-phylum. Although this is not well-known, the phylum chordata contains some (very few) invertabrates (animals without a backbone) such as sea squirts. So the phylum chordata is futher classified into 2 sub-phyla, vertabrata (vertabrates) and invertabrata (invertabrates).
Vertebrates are animals within the phylum Chordata, that have a backbones (also called vertebrae).
Dogs are in the Chordata phylum, therefore Pit Bulls are in the Chordata phylum.
Birds belong to the phylum Chordata, specifically the subphylum Vertebrata. This means that birds are vertebrate animals with a backbone.
Chordata phylum
Phylum Chordata.
The phylum of a stingray is Chordata.
The phylum of a dove is Chordata.
chordata/chordates
Cows belong to the phylum Chordata.
The eagle belongs to the phylum Chordata.
A llama belongs to the phylum Chordata.
Apes belong to the phylum Chordata.