original description
Cox, L.R. & Arkell, W.J. (1948-1950). A survey of the Mollusca from the British Great Oolite Series: primarily a nomenclatorial revision of monographs by Morris & Lycett (1851–55), Lycett (1863) and Blake (1905–07). <em>Monographs of the Palaeontographical Society.</em> 102 (444), i-xiii + 1–48 [1948]; 103(449): xiv-xxiv, 49-105 [1950].
page(s): 68 [details] Available for editors
basis of record
Conti, M. A.; Monari, S.; Oliverio, M. (1993). Early rissoid gastropods from the Jurassic of Italy: the meaning of first appearances. <em>Scripta Geologica Special Issue.</em> 2: 67-74.
page(s): 69 [details]
additional source
Fischer, J.-C. (1969). Géologie, paléontologie et paléoécologie du Bathonien au Sud-Ouest du Massif ardennais. <em>Mémoires du Muséum National d'Histoire Naturelle, Série C, Sciences de la Terre.</em> 20: 1-319., available online at https://www.biodiversitylibrary.org/page/58241399
page(s): 155-156, pl. 16, figs 37, 38a, b [details] Available for editors
From editor or global species database