original description
(of Pisidium ferrugineum Prime, 1852) Prime, T. (1852). New species of Cycladidae, with descriptions. <em>Proceedings of the Boston Society of Natural History.</em> 4(10-11): 155-165., available online at http://biodiversitylibrary.org/page/8870865
page(s): 162 [details]
original description
(of Pisidium medianum Sterki, 1899) Sterki, V. (1899). Pisidia new to our country, and new species. <em>The Nautilus.</em> 13(1): 9-12., available online at http://biodiversitylibrary.org/page/3758217
page(s): 10-11 [details]
original description
(of Pisidium ohioense Sterki, 1903) Sterki, V. (1903). New Pisidia. <em>The Nautilus.</em> 17(2): 20-22., available online at http://biodiversitylibrary.org/page/1726439
page(s): 20 [details]
original description
(of Pisidium pilula Sterki, 1922) Sterki, V. (1922). Some notes on Sphaeriidae with descriptions of new species. <em>Annals of the Carnegie Museum.</em> 13: 425-439., available online at http://biodiversitylibrary.org/page/9958432
page(s): 437 [details]
original description
(of Pisidium vexum Sterki, 1916) Sterki, V. (1916). A preliminary catalog of the North American Sphaeriidae. <em>Annals of the Carnegie Museum.</em> 10(3-4): 429-477., available online at http://biodiversitylibrary.org/page/9967882
page(s): 461 [details]
original description
(of Pisidium medianum var. minutum Sterki, 1899) Sterki, V. (1899). Pisidia new to our country, and new species. <em>The Nautilus.</em> 13(1): 9-12., available online at http://biodiversitylibrary.org/page/3758217
page(s): 11 [details]
original description
(of Pisidium medianum var. clarum Sterki, 1916) Sterki, V. (1916). A preliminary catalog of the North American Sphaeriidae. <em>Annals of the Carnegie Museum.</em> 10(3-4): 429-477., available online at http://biodiversitylibrary.org/page/9967882
page(s): 466 [details]
taxonomy source
Graf, D.; Cummings, K. (2019). Musselp database: The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves). , available online at http://mussel-project.uwsp.edu/ [details]
From editor or global species database
Type locality USA, Massachusetts, without a precise locality [details]
From editor or global species database