(ofTriforis calculiferus Gould, 1861)Gould, A. A. (1861). Description of new shells collected by the United States North Pacific Exploring Expedition. <em>Proceedings of the Boston Society of Natural History.</em> 7: 385-389 [January 1861], 401-409 [February 1861]; 8: 14-32 [March 1861], 33-40 [April 1861]., available online athttps://www.biodiversitylibrary.org/page/9492428 page(s): 388. [details]
original description(ofTriforis calculiferus Gould, 1861)Gould, A. A. (1861). Description of new shells collected by the United States North Pacific Exploring Expedition. <em>Proceedings of the Boston Society of Natural History.</em> 7: 385-389 [January 1861], 401-409 [February 1861]; 8: 14-32 [March 1861], 33-40 [April 1861]., available online athttps://www.biodiversitylibrary.org/page/9492428 page(s): 388. [details]
Present Inaccurate Introduced: alien Containing type locality