A glimpse in the dark? A first phylogenetic approach in a widespread freshwater snail from tropical Asia and northern Australia (Cerithioidea, Thiaridae)

Shells of “Thiara” aspera (Lesson, 1831). A. Holotype of Melania aspera Lesson, 1831, MNHN 21098, ‘La Nouvelle-Guinée’ [more specifically Manokwari on New Guinea Island, West Papua, Indonesia, see Glaubrecht and Podlacha 2010]; B. Syntype of Melania rudis Lea & Lea, 1851, USNM 119778, Amboyna; C. Syntype of Melania microstoma Lea & Lea, 1851, USNM 119722, mountain streams, isle of Negros, Philippines; D. ZMB 107002, Calcutta, India; E. ZMB 107003, Ceylon, Sri Lanka; F. ZMB 127534, Don Ko Canal, Nakhon Pathom, Thailand; G. ZMB 127535, Don Ko Canal, Nakhon Pathom, Thailand; H. ZMB 127535, Don Ko Canal, Nakhon Pathom, Thailand; I. ZMB 191279, Yehembang River, Bali, Indonesia; J. ZMB 191279, Yehembang River, Bali, Indonesia; K. ZMB 106472, Yehembang, Bali, Indonesia; L. East of Mendaya, stream southwest of Gumicik, Bali, Indonesia; M. ZMB 191278, stream at Tembeeha, road Tirobus-Kendari, Southwest Sulawesi, Indonesia; N. ZMB 107378, Banggai Islands, Peleng Island, West of Peninsula, Tataban river, Central Sulawesi, Indonesia; O. ZMB 107377, Banggai Islands, Peleng Island, West of Peninsula, Tataban river, Central Sulawesi, Indonesia.river; P, Q. ZMB 107617, Wabalarr, Roper River, Northern Territory, Australia; R. ZMB 106599, Berry Springs, Northern Territory, Australia. Scale bar: 1 cm.