original description
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): 64 [details]
additional source
Möllendorff, O. F. von. (1898). Verzeichnis der auf den Philippinen lebenden Landmollusken. <em>Abhandlungen der Naturforschenden Gesellschaft zu Görlitz.</em> 22: 26-208., available online at https://biodiversitylibrary.org/page/58468236
page(s): 35 [details]
additional source
Semper, C. (1870-1885). <i>Reisen im Archipel der Philippinen, Theil 2. Wissenschaftliche Resultate. Band 3, Landmollusken</i>. Wiesbaden: Kreidel. [1-80, pls 1-7 (1870); 81-128 (1873); 129-168 (1874); 169-224 (1877); 225-264, pls 19–20, 22–23 (1880); 265–290, pl. 21 (1882); 291-327, pls 24–27 (1885)] (publication dates after Zool. Record)., available online at https://biodiversitylibrary.org/page/32630046
page(s): pl. 2, figs. 7a-c [details]
From editor or global species database
Taxonomic remark Name erected for the figure of Mariella arayatensis C. Semper, 1870 (now assigned as a subspecies of Vitrinopsis planulata (L. Pfeiffer, 1849)) in C. Semper, 1870, Reisen im Archipel Philippinen, pl. 2, fig. 7. [details]