> > I often wish Zuckerlandl and Pauling never wrote that paper.
> > There is no clock. Independent lineages (post cladogenesis) are just that
> > independent.
> > "It's later than you think."
> > Mark E. Siddall "I don't mind a parasite...
> > mes at vims.edu I object to a cut-rate one"
> > Virginia Inst. Marine Sci. - Rick
> > Gloucester Point, VA, 23062
To add another dimension to this discussion, note that we've found
another kind of molecular clock:
Martin, C. C. & R. Gordon (1995). Differentiation trees, a junk DNA
molecular clock, and the evolution of neoteny in salamanders. J. Evol.
Biol. 8, in press.
-Dick Gordon, U.Manitoba[Apr26,95]