Fig. 1. Convergent evolution of shell morphology in species that are not closely related is common among epitoniids. This diagram shows the position of Epifungium twilae and E. pseudotwilae in the Bayesian majority rule consensus tree with compatible groupings based on the marker CO-I, modified from Gittenberger (2006: 210, fig. 2). Abbreviations: ns, north Sulawesi, Indonesia; ko, Komodo, Indonesia; ma, Maldives; pa, Palau; ss, south Sulawesi, Indonesia; th, Thailand.
Ammonite
Mariaella dussumieri. © The Natural History Museum, London.
Beddomea trifasciatus (lowland form). © The Natural History Museum, London.