MolluscaBase name details
original description
Adams, A. (1855). A monograph of <i>Umbonium</i> (<i>Rotella</i>), a genus of Trochidae. <em>Proceedings of the Zoological Society of London.</em> 21 (1853): 187–189., available online at https://www.biodiversitylibrary.org/page/30747336
page(s): 188. [details]
additional source
Adams, H. & Adams, A. (1853-1858). <i>The genera of Recent Mollusca; arranged according to their organization</i>. London, van Voorst. Vol. 1: xl + 484 pp.; vol. 2: 661 pp.; vol. 3: 138 pls. [Published in parts: Vol. 1: i-xl (1858), 1-256 (1853), 257-484 (1854). Vol. 2: 1-92 (1854), 93-284 (1855), 285-412 (1856), 413-540 (1857), 541-661 (1858). Vol. 3: pl. 1-32 (1853), 33-72 (1954), 73-96 (1855), 97-112 (1856), 113-128 (1857), 129-138 (1858)]. , available online at https://www.biodiversitylibrary.org/page/3782650
page(s): Vol. 1: 408.; note: Nomen nudum. [details]