MolluscaBase taxon details
original description
(of Seymourosphaera subglobosa Oleinik & Zinsmeister, 1996 †) Oleinik, A. E. & Zinsmeister, W. J. (1996). Paleocene diversification of bucciniform gastropods on Seymour Island, Antarctica. <em>Journal of Paleontology.</em> 70: 923-934.
page(s): 930 [details]
new combination reference
Beu, A. G. (2009). Before the ice: biogeography of Antarctic Paleogene molluscan faunas. <em>Palaeogeography, Palaeoclimatology, Palaeoecology 284: 191-226.</em>
page(s): 209 [details]