Fig. 3From: Phylogeography of Bellamya (Mollusca: Gastropoda: Viviparidae) snails on different continents: contrasting patterns of diversification in China and East AfricaDated phylogeny using a) geological (number in squares, 1: 1.6 Ma [112]) and fossil calibration points (number in circles, 2: 13 Ma [27]; 3: 4.2 Ma [14]) to estimate the divergence between Asia and Africa; b) using a rate calibrationBack to article page