(ofHelix (Rhagada) bordaensis Angas, 1880)Angas, G. F. (1880). Descriptions of three species of marine shells from Port Darwin, Torres Straits discovered by Mr W. T. Bednall; and of a new <i>Helix</i> from Kangaroo Island, South Australia. <em>Proceedings of the Zoological Society of London.</em> 1880: 418-420 [1 Oct 1880]., available online athttps://www.biodiversitylibrary.org/page/28522590 page(s): 419, pl. 40, fig. 3 [details]
original description(ofHelix (Rhagada) bordaensis Angas, 1880)Angas, G. F. (1880). Descriptions of three species of marine shells from Port Darwin, Torres Straits discovered by Mr W. T. Bednall; and of a new <i>Helix</i> from Kangaroo Island, South Australia. <em>Proceedings of the Zoological Society of London.</em> 1880: 418-420 [1 Oct 1880]., available online athttps://www.biodiversitylibrary.org/page/28522590 page(s): 419, pl. 40, fig. 3 [details]