Keywords: Clavatula imperialis 001.jpg en Clavatula imperialis Lamarck 1816; family Clavatulidae 2016-05-29 18 23 46 https //commons wikimedia org/wiki/File Naturalis_Biodiversity_Center_-_RMNH MOL 221836_-_Clavatula_imperialis_ Lamarck _1816 _-_Clavatulidae_-_Mollusc_shell jpeg Naturalis Biodiversity Center other versions Custom license marker 2016 05 29 Naturalis donation CC-0 Clavatula imperialis Media donated by Naturalis Biodiversity Center Molluscs at Naturalis from the Rijksmuseum van Natuurlijke Historie |