Although the name Chordata is attributed to William Bateson (1885), it was already in prevalent use by 1880. Ernst Haeckel described a taxon comprising tunicates, cephalochordates, … കൂടുതൽ കാണുക

The following schema is from the 2015 edition of Vertebrate Palaeontology. The invertebrate chordate classes are from Fishes of the World. While it is structured so as to reflect evolutionary relationships (similar to a cladogram കൂടുതൽ കാണുക

Overview
There is still much ongoing differential (DNA sequence based) comparison research that is trying to separate out the simplest … കൂടുതൽ കാണുക

Chordates form a phylum
• കൂടുതൽ കാണുക

Cephalochordata: Lancelets
Cephalochordates, one of the three subdivisions of chordates, are small, "vaguely … കൂടുതൽ കാണുക

The closest relatives of the Chordates are believed to be the Hemichordates and Echinodermata, which together form the
Hemichordates കൂടുതൽ കാണുക

• Chordate genomics
• List of chordate orders – All the classes and orders of phylum Chordata കൂടുതൽ കാണുക