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.
Cladogram depicting the phylogeny of bony vertebrates (Osteognathostomata). The cladogram is anthropocentric in that both the resolution of its branches and the ordering of taxon names are biased in favour of mammals. Note that the tree topology is identical to Fig. 1. See text for further details
