Traits taxon details
original description
Johansen, M.B. (1987). The Micromorphic Brachiopod Genus Rugia Steinich from the Middle Coniacian - Lower Maastrichtian Chalk of Lägerdorf and Kronsmoor, Northwest Germany. <em>Mitteilungen ans dem Geologish - Paläontologischen Institut der Universität Hamburg.</em> 63: 127-183. note: Taxonomic citation Johansen & Surlyk, 1987 in: Johansen, 1987. [details]
basis of record
Johansen, M. B.; Surlyk, F. (1990). Brachiopods and the stratigraphy of the Upper Campanian and Lower Maastrichtian Chalk of Norfolk, England. <em>Palaeontology.</em> 33(4): 823-872. [details] Available for editors
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