Fisher, W. K. (1949). Additions to the echiuroid fauna of the North Pacific Ocean. <em>Proceedings of the United States National Museum.</em> 99(3248): 479�497, plates 28�34., available online athttps://www.biodiversitylibrary.org/page/7728303 page(s): 486. [details]
Land J. van der (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). Arhynchite californicus Fisher, 1949. Accessed at: https://www.marinespecies.org/urmo/aphia.php/aphia.php?p=taxdetails&id=266727 on 2025-05-31
original descriptionFisher, W. K. (1949). Additions to the echiuroid fauna of the North Pacific Ocean. <em>Proceedings of the United States National Museum.</em> 99(3248): 479�497, plates 28�34., available online athttps://www.biodiversitylibrary.org/page/7728303 page(s): 486. [details]