Carpenter, P. P. (1864). Supplementary report on the present state of our knowledge with regard to the Mollusca of the West Coast of North America. <em>Reports of the British Association for the Advancement of Science.</em> (1863) 33: 517-686., available online athttps://www.biodiversitylibrary.org/page/29370651 page(s): 656 [details]
MolluscaBase eds. (2025). MolluscaBase. Amphithalamus P. P. Carpenter, 1864. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=397014 on 2025-05-08
Marine Species Traits editorial board (2025). Marine Species Traits. Amphithalamus P. P. Carpenter, 1864. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=397014 on 2025-05-08
original descriptionCarpenter, P. P. (1864). Supplementary report on the present state of our knowledge with regard to the Mollusca of the West Coast of North America. <em>Reports of the British Association for the Advancement of Science.</em> (1863) 33: 517-686., available online athttps://www.biodiversitylibrary.org/page/29370651 page(s): 656 [details]