Vadopalas B., Pietsch T.W. & Friedman C.S. (2010) The proper name for the geoduck: Resurrection of Panopea generosa Gould, 1850, from the synonymy of Panopea abrupta (Conrad, 1849) (Bivalvia: Myoida: Hiatellidae). Malacologia 52(1): 169-173.
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Vadopalas, B.; Pietsch, T. W.; Friedman, C. S.
2010
The proper name for the geoduck: Resurrection of Panopea generosa Gould, 1850, from the synonymy of Panopea abrupta