(ofHelix iloconensis G. B. Sowerby I, 1841)Sowerby, G. B. I. (1841). Descriptions of new species of the family Helicidae, collected by Mr. H. Cuming in the Philippine Islands. <em>Proceedings of the Zoological Society of London.</em> 1840: 87-91, 96-104, 116-118. [April 1841]., available online athttps://biodiversitylibrary.org/page/30571521 page(s): 116-118; note: with varieties a - s [details]
MolluscaBase eds. (2021). MolluscaBase. Helicostyla (Pachysphaera) ilocoensis (G. B. Sowerby I, 1841). Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1459845 on 2024-04-23
original description(ofHelix iloconensis G. B. Sowerby I, 1841)Sowerby, G. B. I. (1841). Descriptions of new species of the family Helicidae, collected by Mr. H. Cuming in the Philippine Islands. <em>Proceedings of the Zoological Society of London.</em> 1840: 87-91, 96-104, 116-118. [April 1841]., available online athttps://biodiversitylibrary.org/page/30571521 page(s): 116-118; note: with varieties a - s [details]