original description
Ruebush, T. K. (1937). The genus Dalyellia in America. <em>Zoologischer Anzeiger.</em> 119: 237–256.
page(s): 246-248, Figs. 9-11 [details] Available for editors
additional source
Ruebush, T.K. (1938). A comparative study of the turbellarian chromosomes. <em>Zoologischer Anzeiger.</em> 122: 321–329.
page(s): 323 [details] Available for editors
From editor or global species database