MolluscaBase taxon details
original description
(of Cytharella (Agathotoma) penelope Dall, 1919) Dall, W. H. (1919). Descriptions of new species of mollusks of the family Turritidae from the west coast of America and adjacent regions. <em>Proceedings of the United States National Museum.</em> 56 (2288): 1-86, pls 1-24., available online at https://biodiversitylibrary.org/page/7765993 [details]
basis of record
Wiedrick, S.G. (2022). Revision of the eastern Pacific <i>Ithycythara</i> Woodring, 1928 (Gastropoda: Mangeliidae) with the descriptions of four new species. <em>Novapex.</em> 23(1): 27-40.
page(s): 31, figs 2A-O [details]