Traits taxon details
original description
Wright, W. B. (1934). The Fresh-Water Fauna of the Lower Coal Measures of Lancashire. <em>Summary of Progress of the Geological Survey.</em> 1933(2): 8-23. page(s): 15-16, textfig. 4 [details] Available for editors 
additional source
Trueman, A. E.; Weir, J. (1946-1968). A Monograph of British Carboniferous non-marine Lamellibranchia. 13 parts. Monograph of the Palaeontographical Society London. Palaeontographical Society London, London, 449 pp. [Part I (1946), Part II (1947, Part III (1947), Part IV (1948), Part V (1951), Part VI (1952), Part VII (1954), Part VIII (1955, Part IX (1956); by Weir only, Part X (1960), Part XI (1966), Part II (1967), Part XIII (1968)]. page(s): 83-86, pl. 12, figs 17-19, pl. 15, figs 6-9 [details]
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