original descriptionLandau B.M., Van Dingenen F. & Ceulemans L. (2020). The upper Miocene gastropods of northwestern France, 5. Conoidea. <em>Cainozoic Research.</em> 20(1): 3-107., available online athttps://natuurtijdschriften.nl/pub/1011365/CR2020020001001.pdf page(s): 45, pl. 40 figs 1-3 [details]