MolluscaBase name details
original description
(of Pleurotomaria spironema Meek & Worthen, 1866 †) Meek, F. B.; Worthen, A. H. (1866). Contribution to the paleontology of Illinois and other Western States. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 18: 251-275., available online at https://www.biodiversitylibrary.org/page/26374971
page(s): 272 [details]
basis of record
Yochelson E.L., Saunders B.W. (1967). A bibliographic index of North American Late Paleozoic Hyolitha, Amphineura, Scaphopoda, and Gastropoda. <em>Geological Survey Bulletin.</em> 1210: 1-271.
page(s): 92 [details]
status source
Mazaev A.V. (2006). Permian gastropods from the Kulogory Formation of the Northern Moscow Syneclise [= Пермские гастроподы Кулогорской свиты северной части Московской синеклизы]. <em>Paleontologicheskiy Zhurnal.</em> 4: 42-53. [details] Available for editors [request]