Didn't finish? It's less than a thousand words! But your TL;DR is essentially correct. I would like to hear more about why these plants didn't die out when the

Didn't finish? It's less than a thousand words! But your TL;DR is essentially correct. I would like to hear more about why these plants didn't die out when their only dispersal agents did. It would also be interesting to know approximately how numerous/widespread they were before and after the dispersers' extinction, but I guess tree fossils are hard to come by.