MolluscaBase name details
original description
(of Eumarcia (Opimarcia) Marwick, 1948 †) Marwick J. (1948). Lower Pliocene Mollusca from Otahuhu, Auckland. <em>New Zealand Geological Survey Palaeontological Bulletin.</em> 16: 38 pp., 8 pl.
page(s): 26 [details]