MolluscaBase taxon details
original description
(of Helix (Hadra) derbyi J. C. Cox, 1892) Cox, J. C. (1892). Descriptions of some new species of pulmonate Mollusca from Australia and the Solomon Islands. <em>Proceedings of the Linnean Society of New South Wales.</em> 16: 565-570., available online at https://biodiversitylibrary.org/page/6561565
page(s): 566 [details]
original description
(of Helix (Trachia) derbyana E. A. Smith, 1894) Smith, E. A. (1894). On the land-shells of Western Australia. <em>Proceedings of the Malacological Society of London.</em> 1 (3): 84-99, pl. 7. London., available online at https://www.biodiversitylibrary.org/page/15167375
page(s): 92-93, pl. 7, fig. 19. [details]
original description
(of Trachia orthocheila Ancey, 1898) Ancey, C. F. (1898). Observations on Papuan land and freshwater shells, with descriptions of new species from New Guinea and Western Australia. <em>Proceedings of the Linnean Society of New South Wales.</em> 22: 771-778., available online at https://www.biodiversitylibrary.org/page/3345700#page/825/mode/1up
page(s): 774 [details]
basis of record
ABRS. (2009). Australian Faunal Directory (AFD). <em>Australian Biological Resources Study, Canberra.</em> , available online at http://www.environment.gov.au/science/abrs/online-resources/fauna [details]
basis of record
Solem, A. (1984). Camaenid land snails from Western and central Australia (Mollusca: Pulmonata: Camaenidae). IV. Taxa from the Kimberley, Westraltrachia Iredale, 1933 and related genera. Records of the Western Australian Museum, Supplement, 17: 427-705.
page(s): 540 [details]