Dann Pigdon writes:
> ...The work revealed that todayï1rys 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?