Traits taxon details
original description
Morris, J. & J. Lycett. (1851). A monograph of the Mollusca from the Great Oolite, chiefly from Minchinhampton and the coast of Yorkshire. Part I. Univalves. London: The Palaeontological Society. viii, 130 pp.; plates I-XV. , available online at https://biodiversitylibrary.org/page/13127871 page(s): 72; note: introduced as subgenus of Delphinula but treated as distinct genus [details]
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