original description
(of Vitrinella (Vitrinellops) degrevei C. P. Nuttall, 1990 †) Nuttall, C. P. (1990). A review of the Tertiary non-marine molluscan faunas of the Pebasian and other inland basins of north-western South America. <em>Bulletin of The British Museum (Natural History), Geology Series.</em> 45(2): 165-371., available online at https://www.biodiversitylibrary.org/page/45474563
page(s): 226-227, fig. 198 [details]
original description
(of Planorbis bourguyi Roxo, 1924 †) Roxo, M. de Oliveira. (1924). Breve noticea sobre os fosseis terciario do Alto Amazonas. <em>Boletim Serviço Geologico e Mineralogico do Brasil.</em> 11: 41-52.
page(s): 50, fig. E [details]
basis of record
Wesselingh, F.P. (2006). Molluscs from the Miocene Pebas Formation of Peruvian and Colombian Amazonia. <em>Scripta Geologica.</em> 133: 19-290., available online at http://www.repository.naturalis.nl/document/41346
page(s): 181, figs 16f, 227 [details]
From editor or global species database
Classification The species was attributed tentatively to Cochliopina by Wesselingh (2006). [details]