original description
(of Io nodosa I. Lea, 1862) Lea, I. (1862). Descriptions of seven new species of the genus <i>Io</i>. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 13: 393-394 [after 31 December 1861; before 31 March 1862]., available online at https://biodiversitylibrary.org/page/26313099
page(s): 393 [details]
original description
(of Io variabilis I. Lea, 1862) Lea, I. (1862). Descriptions of seven new species of the genus <i>Io</i>. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 13: 393-394 [after 31 December 1861; before 31 March 1862]., available online at https://biodiversitylibrary.org/page/26313099
page(s): 393 [details]
original description
(of Melania nobilis I. Lea, 1845) Lea, I. (1845). Descriptions of new fresh water and land shells. <em>Proceedings of the American Philosophical Society.</em> 4(33): 162-168 [5 December 1845]., available online at http://biodiversitylibrary.org/page/33100618
page(s): 165 [details]
basis of record
Johnson, P. D.; Bogan, A. E.; Brown, K. M.; Burkhead, N. M.; Cordeiro, J. R.; Garner, J. T.; Hartfield, P. D.; Lepitzki, D. A. W.; Mackie, G. L.; Tarpley, T. A.; Tiemann, J. S.; Whelan, N. V.; Strong, E. E. (2013). Conservation status of freshwater gastropods of Canada and the United States. <em>Fisheries.</em> 38(6): 247-282., available online at http://www.tandfonline.com/doi/abs/10.1080/03632415.2013.785396 [details] Available for editors [request]
From editor or global species database