Homage to Felsenstein 1981, or why are there so few/many species?

Roger K Butlin^*, Maria R Servedio, Carole M Smadja, Claudia Bank, Nicholas H Barton, Samuel M Flaxman, Tatiana Giraud, Robin Hopkins, Erica L Larson, Martine E Maan, Joana Meier, Richard Merrill, Mohamed A F Noor, Daniel Ortiz-Barrientos, Anna Qvarnström