MolluscaBase name details
original description
Lea, I. (1840). Description of nineteen new species of Colimacea. <em>Proceedings of the American Philosophical Society.</em> 1: 173-175., available online at https://biodiversitylibrary.org/page/34512892
page(s): 174 [details]
additional source
Pilsbry, H. A. (1901). <i>Helicostyla carinata</i> Lea, and <i>H. dactylus</i> Brod. <em>The Nautilus.</em> 15(1): 8., available online at https://www.biodiversitylibrary.org/page/1738387 [details]
additional source
Lea, I. (1841). Description of nineteen new species of Colimacea. <em>Transactions of the American Philosophical Society.</em> 7(3): 455–465, pls. 11, 12 [taxa herein originally described in 1840 - see article with same title]., available online at https://biodiversitylibrary.org/page/36318176
page(s): 458, pl. 11, fig. 7 [details]