MolluscaBase name details
original description
(of Amalda (Gracilispira) olsoni Beu, 1970 †) Beu, A. G. (1970). Descriptions of new species and notes on taxonomy of New Zealand Mollusca. <em>Transactions of the Royal Society of New Zealand, Earth Science.</em> 7: 113-136.
page(s): 132 [details]
basis of record
Beu, A.G. 2011 Marine Molluscs of oxygen isotope stages of the last 2 million years in New Zealand. Part 4. Gastropoda (Ptenoglossa, Neogastropoda, Heterobranchia). Journal of the Royal Society of New Zealand 41, 1–153., available online at https://doi.org/10.1080/03036758.2011.548763 [details]