Synonymy

• Cyprogenia irrorata (I. Lea, 1827)
• Cyprogenia irrorata irrorata (I. Lea, 1827)
• Cyprogenia irrorata pusilla Simpson, 1900

Type locality: Green River, Mammoth Cave, Kentucky

Holotype: USNM 152004

• Cyprogenia stegaria pusilla (Simpson, 1900)
• Margarita (Unio) irroratus (I. Lea, 1827)
• Margarita (Unio) irroratus stegaria (I. Lea, 1830)
• Margaron (Unio) irroratus (I. Lea, 1827)
• Obovaria stegaria Rafinesque, 1820
• Obovaria stegaria fasciolata Rafinesque, 1820
• Obovaria stegaria tuberculata Rafinesque, 1820

Type locality: Ohio River

Lectotype: ANSP 20241

• Unio irroratus I. Lea, 1827

Type locality: Cincinnati, in canal, Ohio

Holotype: USNM 84299

• Unio verrucosus albus Hildreth, 1828

Primary references

• Agassiz, L. 1852. Ueber die Gattungen unter den nordamerikanischen Najaden. Archiv für Naturgeschichte. 18(1): 41-52. BHL Reference page.  [see page 48, recombination reference]
• Lea, I. 1827. Description of six new species of the genus Unio, embracing the anatomy of the oviduct of one of them, together with some anatomical observations on the genus. Transactions of the American Philosophical Society. New series, 3: 259-273, pls 3-6. BHL Reference page.  [see page 269, original description of Unio irroratus]
• Rafinesque, C.S. 1820. Monographie des coquilles bivalves et fluviatiles de la Rivière Ohio, contenant douze genres et soixante-huit espéces. Annales Générales des Sciences Physiques. 5(5): 287-322, pls 80-82. Google Books Gallica Reference page.  [see page 312, original description of Obovaria stegaria]

Additional references

• Albano, P.G., Bongiovanni, B., D'Occhio, P., Sabelli, B. 2014. Natural history museums as repositories of endangered diversity: the case of the United States Unionida in the Museo di Zoologia dell’Università di Bologna. Zoosystematics and evolution. 90(2): 105-111. DOI: 10.3897/zse.90.8231 Reference page. 

Links

• MolluscaBase eds. (2020). MolluscaBase. Cyprogenia stegaria (Rafinesque, 1820). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=857258 on 2020-10-03
• Graf, D.L. & K.S. Cummings. 2019. The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves). MUSSEL Project Web Site, http://www.mussel-project.net/. Accessed 2020-10-03
• BHL bibliography
• Hassler, M. {{{1}}}. Cyprogenia stegaria. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. {{{1}}}. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: {{{1}}} {{{2}}} {{{3}}}. Reference page. 
• Cyprogenia stegaria – Taxon details on Encyclopedia of Life (EOL).
• Global Biodiversity Information Facility. 2019. GBIF Backbone Taxonomy. Checklist dataset. Taxon: Cyprogenia stegaria.
• ION

For more multimedia, look at Cyprogenia stegaria on Wikimedia Commons.