Chordates have a notochord and a dorsal, hollow nerve cord Vertebrates are a subphylum of phylum Chordata Chordates are bilaterian animals that belong.
Lecture #14 Phylum Chordata. only 45,000 species characteristics: – 1. bilaterally symmetrical – 2. notochord – 3. pharyngeal gill slits – 4. dorsal,
