Gray, J. E. ["descriptions of the species" by L. Pfeiffer]. (1855). <i>Catalogue of Pulmonata or air-breathing Mollusca in the collection of the British Museum, Part I.</i> London: Taylor & Francis. 192 pp. , available online athttps://biodiversitylibrary.org/page/18487271 page(s): 147 [details]
MolluscaBase eds. (2025). MolluscaBase. Orpiella J. E. Gray, 1855. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=851340 on 2025-05-29
Marine Species Traits editorial board (2025). Marine Species Traits. Orpiella J. E. Gray, 1855. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=851340 on 2025-05-29
original descriptionGray, J. E. ["descriptions of the species" by L. Pfeiffer]. (1855). <i>Catalogue of Pulmonata or air-breathing Mollusca in the collection of the British Museum, Part I.</i> London: Taylor & Francis. 192 pp. , available online athttps://biodiversitylibrary.org/page/18487271 page(s): 147 [details]