Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The major taxonomic categories are cephalochordates (red), copepods (magenta), hydrozoan cnidarians (blue) and anthozoan cnidarians (purple). The phylogenetic position of GFP-encoding genes from representative species (one for each clade) of each clade was indicated.
