original description
(of Unio subtumidus A. d'Orbigny, 1850 †) Orbigny, A. D. d'. (1850). <i>Prodrome de paléontologie stratigraphique universelle des animaux mollusques et rayonnés, faisant suite au cours élémentaire de paléontologie et de géologie stratigraphiques. Vol. 2</i>. 427 pp. Paris: Masson [November 1850]., available online at https://www.biodiversitylibrary.org/page/41091877
page(s): 306 [details]
original description
(of Unio malcolmsoni Hislop, 1860 †) Hislop, S. (1860). On the Tertiary Deposits, associated with Trap-rock, in the East Indies. <em>The Quarterly Journal of the Geological Society of London.</em> 16: 154-182., available online at https://www.biodiversitylibrary.org/page/35427895
page(s): 174 [details]
original description
(of Unio tumida J. De C. Sowerby, 1840 †) Sowerby, J. De C. (1840). Organic remains collected by Mr. Malcolmson and described by Mr. James de Carle Sowerby. In: Malcolmson, J.G. On the Fossils of the Eastern Portion of the Great Basaltic District of India. <em>Transactions of the Geological Society of London, Series 2.</em> 5(3): 550-551, pl. 47., available online at https://www.biodiversitylibrary.org/page/36236116
page(s): pl. 47, figs 11, 12 [details]
original description
(of Unio cyreniformis Deshayes, 1858 †) Deshayes, G. P. (1839-1858). <i>Traité élémentaire de conchyliologie: avec les applications de cette science à la géologie</i>. Vol. 1(1): xii + 368 pp. [1839]; vol. 1(2), 824 pp., 6 fold-out tables [pp. 1-128, 1839; 129-824: 1850]; vol. 2: 384 pp. [pp. 1-194: 1857: 195-348: 1858; Atlas: 80 + xi pp., 132 pls. with various numbers; Explication des planches [pp. 1-24: 1839; pp. 25-48: 1850; pp. 49-80: 1853; appendice pp. i-iv: 1850, pp. v-xi: 1857]. Masson, Paris. , available online at https://www.biodiversitylibrary.org/item/218368
page(s): 215 [details]
From editor or global species database
New combination Combination established herein, for consistency with genus level synonymy. [details]