original description
(of Lithasia showalterii I. Lea, 1860) Lea, I. (1860). Descriptions of fourteen new species of Schizostomae, Anculosae and Lithasiae. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 12: 186-188 [after 22 May 1860]., available online at https://www.biodiversitylibrary.org/page/26297333
page(s): 188 [details]
original description
(of Melania purpurea I. Lea, 1861) Lea, I. (1861). Descriptions of forty-nine new species of the genus <i>Melania</i>. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 13: 117-123 [after 28 May 1861; before 30 September 1861]., available online at https://biodiversitylibrary.org/page/26312823
page(s): 120 [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]
status source
Whelan, N. V.; Johnson, P. D.; Garner, J. T.; Garrison, N. L.; Strong, E. E. (2022). Prodigious polyphyly in Pleuroceridae (Gastropoda: Cerithioidea). <em>Bulletin of the Society of Systematic Biologists.</em> 1(2): 8419: 1-27., available online at https://doi.org/10.18061/bssb.v1i2.8419 [details]
From editor or global species database