Keywords: Tylomelania centaurus shell 2.png Black and white photo of a lateral view of a shell of Tylomelania centaurus partly covered by a sponge Pachydictyum globosum Weltner This shell is a holotype NMB 1339a Naturhistorisches Museum Basel <ref name Rintelen 2005 >von Rintelen T Glaubrecht M 2005 Anatomy of an adaptive radiation a unique reproductive strategy in the endemic freshwater gastropod Tylomelania Cerithioidea Pachychilidae on Sulawesi Indonesia and its biogeographical implications Biological Journal of the Linnean Society 85 513 “542 doi 10 1111/j 1095-8312 2005 00515 x </ref> reflist de icon Sarasin P Sarasin F 1898 Die Süßwassermollusken von Celebes Band 1 In Sarasin P Sarasin F 1898 “1901 Materialien zur Naturgeschichte der Insel Celebes Kreidel's Verlag Wiesbaden https //archive org/stream/materialienzurna01sara page/n122/mode/1up table 2 figure 13 1898 Paul Sarasin 1856-1929 Fritz Sarasin 1859 “1942 PD-old-70-1923 Tylomelania Haplosclerida |