- the phylum comprising the chordates.
Origin of Chordata
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for chordata
Perforating gills (of vertebrates and other chordata), 142, 144.Stories of the Universe: Animal Life
Is such an element to be recognized in the head of the Chordata?
All the vertebrates are included in a single phylum—Chordata.Zoology: The Science of Animal Life
It may be convenient to shew in a definite way the bearing of the above speculations on the phylogeny of the Chordata.
The epiblast in a large number of Chordata arises as a single row of more or less columnar cells.
Word Origin and History for chordata
1880, Modern Latin, from Latin chorda "cord, string" (see cord (n.)) + ending from Vertebrata.
Online Etymology Dictionary, © 2010 Douglas Harper
- The phylum of animals whose members have a single dorsal nerve cord and a notochord and gill slits during some stage in their development.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.