original description
Adams, A. (1855). Monographs of <i>Actaeon</i> and <i>Solidula</i>, two genera or Gasteropodous Mollusca with Descriptions of several New Species from the Cumingian Collection. <em>Proceedings of the Zoological Society of London.</em> (1854) 22(1): 58-62., available online at https://www.biodiversitylibrary.org/page/30747439 [details]
original description
(of Actaeon mariae A. Adams, 1855) Adams, A. (1855). Monographs of <i>Actaeon</i> and <i>Solidula</i>, two genera or Gasteropodous Mollusca with Descriptions of several New Species from the Cumingian Collection. <em>Proceedings of the Zoological Society of London.</em> (1854) 22(1): 58-62., available online at https://www.biodiversitylibrary.org/page/30747439
page(s): 60. [details]
From editor or global species database
Authority ICZN art. 51.3.1. applies here "Parentheses are not used when the species-group name was originally combined with an incorrect spelling or an emendation of the generic name (this applies even though an unjustified emendation is an available name with its own authorship and date)". [details]