Chordata Paleontology Wiki

chordata  Phylum Chordata Facts · All have a tubular nerve cord above the notochord, which is gelatin-like and encased in a Chordata are bilaterally symmetric, deuterostome coelomates, and the vertebrate

The phylum chordata and subphylum vertebrata: their history Multicellular animals are often divided into vertebrates and invertebrates  Phylum Chordata Facts · All have a tubular nerve cord above the notochord, which is gelatin-like and encased in a

An extensive vertebrate fossil record begins about 400 million years ago Embryological evidence places the phylum Chordata within the Chordata · Taxonavigation · Name · Classifications · References · Vernacular names