MolluscaBase taxon details
original description
(of Helix xanthotricha L. Pfeiffer, 1842) Pfeiffer, L. (1842). <i>Symbolae ad historiam Heliceorum</i>, Part II [<i>Sectio altera</i>.] Kassel (Th. Fischer). 147 pp. [< 21 December]. , available online at https://www.biodiversitylibrary.org/page/12254177
page(s): 21 [details]
original description
(of Helix velutina 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 (continuation). <em>Proceedings of the Zoological Society of London.</em> 9: 24–26. [October]., available online at https://biodiversitylibrary.org/page/30679646
page(s): 25 [details]
original description
(of Nanina tagalensis var. cinnamomea Hidalgo, 1890) Hidalgo, J. G. (1890–1901). Obras malacológicas. Parte I. Estudios preliminares sobre la fauna malacológica de las Islas Filipinas. <em>Memorias de la Real Academia de Ciencias Exactas, Físicas y Naturales de Madrid, Madrid, 632 pp.</em> , available online at https://www.biodiversitylibrary.org/page/40478319
page(s): 105 [details]