Chapman, F. (1926). Geological notes on Neumerella and the Section from Baisnedale to Osbost. <em>Proceedings of the Royal Society of Victoria, New Series.</em> 38: 126-142. page(s): 133 [details]
MolluscaBase eds. (2024). MolluscaBase. Calliostoma semiornata Chapman, 1926 †. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://www.marinespecies.org/traits./aphia.php?p=taxdetails&id=1653240 on 2024-05-01
Marine Species Traits editorial board (2024). Marine Species Traits. Calliostoma semiornata Chapman, 1926 †. Accessed at: https://marinespecies.org/traits./aphia.php?p=taxdetails&id=1653240 on 2024-05-01
original descriptionChapman, F. (1926). Geological notes on Neumerella and the Section from Baisnedale to Osbost. <em>Proceedings of the Royal Society of Victoria, New Series.</em> 38: 126-142. page(s): 133 [details]
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