Phylum in the domain Eukarya, comprised of animals either with fully developed backbones (VERTEBRATES), or those with notochords only during some developmental stage (CHORDATA, NONVERTEBRATE).

DUI

D043344 MeSH Browser

CUI

M0328906

Previous indexing

Animals (1963-1999); Chordata, Nonvertebrate (2000-2003)

History note

2004, 1966-1999; use CHORDATA, NON-VERTEBRATE 2000-2003

Public note

2004, 1966-1999; see CHORDATA, NON-VERTEBRATE 2000-2003