Keywords: Clavosurcula sibogae 001.jpg nl Clavosurcula sibogae Schepman 1913; family Cochlespiridae 1913 http //ia700405 us archive org/16/items/prosobranchiaofs46sche/prosobranchiaofs46sche pdf Schepman 1913 The prosobranchia of the Siboga expedition Part IV -V - VI Toxoglossa pl XXVIII 7 M M Schepman 1847-1919 other versions PD-old-70-1923 Clavosurcula sibogae |