Sowerby, G. B. II. (1870). Descriptions of forty-eight new species of shells. <em>Proceedings of the Zoological Society of London.</em> 1870: 249-259 [November]., available online athttps://www.biodiversitylibrary.org/page/28555089[details]
MolluscaBase eds. (2024). MolluscaBase. Clavatula gracilior G. B. Sowerby II, 1870. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=433256 on 2024-05-02
original descriptionSowerby, G. B. II. (1870). Descriptions of forty-eight new species of shells. <em>Proceedings of the Zoological Society of London.</em> 1870: 249-259 [November]., available online athttps://www.biodiversitylibrary.org/page/28555089[details]
basis of recordKilburn R.N. (1985). Turridae (Mollusca: Gastropoda) of southern Africa and Mozambique. Part 2. Subfamily Clavatulinae. <em>Annals of the Natal Museum.</em> 26(2): 417-470. (look up in IMIS) page(s): 467, figs 125-126, holotype NHMUK [details] Available for editors [request]