Semper, O. (1862). Description d'une hélice nouvelle des Philippines. <em>Journal de Conchyliologie.</em> 10: 146-148, pl. 5, figs. 8-9., available online athttps://www.biodiversitylibrary.org/page/15134856#page/152/mode/1up page(s): 146-148, pl. 5, figs. 8-9; note: Misspelled as Helix anna on pl. 5 [details]
MolluscaBase eds. (2021). MolluscaBase. Helix (Callicochlias) annae O. Semper, 1862. Accessed at: http://www.molluscabase.org/aphia.php?p=taxdetails&id=1457561 on 2024-03-29
original descriptionSemper, O. (1862). Description d'une hélice nouvelle des Philippines. <em>Journal de Conchyliologie.</em> 10: 146-148, pl. 5, figs. 8-9., available online athttps://www.biodiversitylibrary.org/page/15134856#page/152/mode/1up page(s): 146-148, pl. 5, figs. 8-9; note: Misspelled as Helix anna on pl. 5 [details]
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