Stimpson, W. (1857). On the Crustacea and Echinodermata of the Pacific shores of North America. <em>Boston Journal of Natural History.</em> 6: 444-532, pls. 18-23 [preprint issued April 1857, journal edition 1858]., available online athttps://archive.org/stream/crustaceaechinod00stim#page/n3/mode/2up page(s): 89 [details]
original descriptionStimpson, W. (1857). On the Crustacea and Echinodermata of the Pacific shores of North America. <em>Boston Journal of Natural History.</em> 6: 444-532, pls. 18-23 [preprint issued April 1857, journal edition 1858]., available online athttps://archive.org/stream/crustaceaechinod00stim#page/n3/mode/2up page(s): 89 [details]