an entertaining look at our family tree

Horrakapotchkin! It seems that hsi is no longer available – something t do with a ‘terms of use violation’. I do hope the problem – whatever it is – is cleared up as this really was rather cool.


and a useful introduction to some of the terminology used in phylogenetics. (Courtesy, as usual, of PZ – either he spends hours on YouTube, or some of his minions do!) I rather liked the comment that phylogenies often leave out the wholly extinct groups, & this can sometimes give a rather unrealistic impression of the true complexities of a group’s evolutionary history.


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