A chordate (/ˈkɔːrdeɪt/ KOR-dayt) is a deuterostomic bilaterial animal belonging to the phylum Chordata (/kɔːrˈdeɪtə/ kor-DAY-tə). All chordates possess...

The Cambrian chordates are an extinct group of animals belonging to the phylum Chordata that lived during the Cambrian, between 538 and 485 million years...

Chordate genomics is the study of the evolution of the chordate clade based on a comparison of the genomes of several species within the clade. The field...

This article contains a list of all of the classes and orders that are located in the Phylum Chordata. Order Amphioxiformes Order Enterogona Order Pleurogona...

notochord. It is a paraphyletic grouping including all animals excluding the chordate subphylum Vertebrata, i.e. vertebrates. Well-known phyla of invertebrates...

PMC 11267725. "Cambrian Primitive Chordate Fossil". www.fossilmuseum.net. Retrieved 29 May 2018. "Duffy: Chordate Origins". www.biology.ualberta.ca....

urochordates is still sometimes used for these animals. They are the only chordates that have lost their myomeric segmentation, with the possible exception...

hollow nerve cord of chordates. Both the hemichordates and the chordates have a thickening of the aorta, homologous to the chordate heart, which contracts...

comprising all that lack vertebral columns, which include non-vertebrate chordates such as lancelets. The vertebrates traditionally include the hagfish,...

their development are considered to be chordates. Lampreys contain these characteristics that define them as chordates. Lamprey anatomy is very different...