Roxania sp. Figs 35 Z–AE, 36A–C Material. MGUH 33323, MGUH 33324 and two external and internal moulds found in sample SR.394 collected for this study. Occurrence. Cerithium Limestone Member at Rødvig, between Knøsen and first ladder at Harvig, Højerup and Barmhjertigheden, Stevns Klint. Description. Protoconch unknown. Teleoconch deeply involute, with inflated, rounded whorls and a spire completely hidden or at most visible through a very narrow opening. Width of penultimate whorl corresponding to nearly 75 % of shell width. Aperture higher than last whorl, nearly twice as wide abapically as on moderately narrow apical half. Inner lip with distinct callus and a relatively well defined columella with weak columellar fold. Teleoconch sculpture consisting of more than 50 fairly distinct spiral grooves on largest specimen. Grooves not pitted. Measurements. Largest specimen, MGUH 33323, 3.6 mm wide and about 5.1 mm high. Remarks. This taxon differs from the early Paleocene Roxania raristriata (Briart & Cornet, 1887) from Belgium and the early Paleocene Roxania clausa (von Koenen, 1885) from Denmark by the rather rounded outline, wider aperture and a denser spiral striation.

Published as part of Hansen, Thomas, 2019, Gastropods from the Cretaceous-Palaeogene boundary in Denmark, pp. 1-196 in Zootaxa 4654 (1) on pages 168-169, DOI: 10.11646/zootaxa.4654.1.1, http://zenodo.org/record/3365803