Definition of Chordates. Meaning of Chordates. Synonyms of Chordates

- CSIs provide molecular means to reliably distinguish chordates from all other animals. Chordates are divided into three subphyla: Vertebrata (fish, amphibians...
- found to be of chordates, several Cambrian chordates are known, with some fossils considered as ****tive chordates. The Cambrian chordates are characterised...
- the defining feature (synapomorphy) of chordates, and was present throughout life in many of the earliest chordates. Although the stomochord of hemichordates...
- the ancestral chordate karyotype. Synteny analysis indicates that there were 17 chromosomes in the last common ancestor to the Chordates. Multiple lines...
- hollow nerve cord of chordates. Both the hemichordates and the chordates have a thickening of the aorta, homologous to the chordate heart, which contracts...
- is also a difference from lower chordates. The difference between a mammalian embryo and an embryo of a lower chordate animal is evident starting from...
- comprising all that lack vertebral columns, which include non-vertebrate chordates such as lancelets. The vertebrates traditionally include the hagfish,...
- comparison with chordates, so many of the genetic markers identified in this group are also found in chordates or are homologous to chordates in some way...
- symmetry; The latter indicates that they belong to the Bilateria, along with chordates, arthropods, annelids and molluscs. Sea urchins are found in every ocean...
- of invertebrate chordates.[citation needed] Pharyngeal arches, pouches, and clefts are, at some stage of life, found in all chordates. One theory of their...