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Stimpson, William. 1858. "Prodromus descriptionis animalium evertebratorum, quae in Expeditione ad Oceanum Pacificum Septentrionalem, a Republica Federata missa, Cadwaladaro Ringgold et Johanne Rodgers Ducibus, observavit et descripsit." Proceedings of the Academy of Natural Sciences of Philadelphia, 10 159–163.