Descrição original: Oliveira, C. D. de C.; Absalão, R. S. (2009). The genera Myonera, Octoporia, and Protocuspidaria (Pelecypoda, Cuspidariidae) from deep waters of Campos Basin, Rio de Janeiro, Brazil with descriptions of two new species. American Malacological Bulletin. 27(1-2): 141-156.