[graphviz-interest] Dendrograms/Cladograms

Hi

There's a dendrogram/cladogram [1] half-way down this page:
http://phenomena.nationalgeographic.com/2015/12/11/paleo-profile-the-smoke-hill-bird/

Can dot do anything like that or do I need to write a wrapper 
fabricating invisible nodes to generate the straight lines?

Normally, I'd search your site, but it's off-line from my POV here in 
Melbourne, Australia :-(.

[1] https://en.wikipedia.org/wiki/Cladogram

-- 
Ron Savage - savage.net.au
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