Perhaps the most important fossils from Chengjiang are eight possible members of phylum Chordata, the phylum to which all vertebrates belong.
12.
One challenge studying sleep evolution is that adequate sleep information is known only for two phyla of animals-chordata and arthropoda.
13.
After a short section on Chordata and non-fish taxa, the work lists all known fish families in a systematic fashion.
14.
Human beings, for example, fall under the phylum Chordata, which includes all vertebrates, warm-and cold-blooded alike.
15.
There is still much ongoing differential ( DNA sequence based ) comparison research that is trying to separate out the simplest forms of Chordata.
16.
This article focuses on the segmentation of animal body plans, specifically using the examples of the taxa Arthropoda, Chordata, and Annelida.
17.
For example, dogs are usually assigned to the phylum Chordata ( animals with notochords ); in the class Mammalia; in the order Carnivora.
18.
The majority of animals use arginine as phosphagen; however, the phylum Chordata ( i . e ., animals with spinal cords ) use creatine.
19.
""'Turritella chordata " "'is a species of sea snail, a marine gastropod mollusk in the family Turritellidae.
20.
If the interpretation is correct, this would be one of the first members of the phylum Chordata _ the branch of the animal kingdom that includes us vertebrates.
