Evolution of the entire arthropod Hox gene set predated the origin and radiation of the onychophoran/arthropod clade Jennifer K. Grenier, Theodore L. Garber, Robert Warren, Paul M. Whitington, Sean Carroll Current Biology Volume 7, Issue 8, Pages (August 1997) DOI: /S (06)
Figure 1 Current Biology , DOI: ( /S (06) )
Figure 2 Current Biology , DOI: ( /S (06) )
Figure 3 Current Biology , DOI: ( /S (06) )
Figure 4 Current Biology , DOI: ( /S (06) )