Amphibians â the comeback kings of evolution

[Mike Taylor <mike@indexdata.com>]

Dann Pigdon writes:
 > ...The work revealed that today$,1ry(Bs amphibians have three common
 > ancestors [...]

_Three_ common ancestor?!

 > Another two booms happened around the Cretaceous-Tertiary
 > extinction, about 65 million years ago. In total, approximately 86%
 > of frog species alive today and more than 81% of salamander species
 > descend from just five amphibian species that survived this mass
 > extinction 65 million years ago...

OK, I am genuinely perplexed here: what did the _other_ 14% of extant
frogs evolve from, if not K/T-survivor frogs?

 _/|_    ___________________________________________________________________
/o ) \/  Mike Taylor    <mike@indexdata.com>    http://www.miketaylor.org.uk
)_v__/\  "You can't have free speech without responsibility, and anyone in
         such a high profile position has to know the difference between
         saying what you want and saying what you ought" -- Geoff Thompson,
         acting FA chairman, shows his ignorance.