See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/323748481 THE SPECIES QUESTION IN FRESHWATER MALACOLOGY: FROM LINNAEUS TO THE PRESENT DAY Article · March 2018 DOI: 10.12657/folmal.026.005 CITATIONS READS 0 126 1 author: Maxim Vinarski Saint Petersburg State University 134 PUBLICATIONS 664 CITATIONS SEE PROFILE Some of the authors of this publication are also working on these related projects: Biological diversity and taxonomy of freshwater snails of Central Asia View project Origin of freshwater fauna in Iceland: Cryptic glacial refugia or postglacial founder events? View project All content following this page was uploaded by Maxim Vinarski on 14 March 2018. The user has requested enhancement of the downloaded file. Folia Malacol. 26(1): 39–52 https://doi.org/10.12657/folmal.026.005 THE SPECIES QUESTION IN FRESHWATER MALACOLOGY: FROM LINNAEUS TO THE PRESENT DAY1 MAXIM V. VINARSKI Saint-Petersburg State University, Universitetskaya Naberezhnaya, 7/9, 199034 Saint-Petersburg/Omsk State Pedagogical University, 14 Tukhachevskogo Emb., 644099 Omsk, Russian Federation (e-mail:
[email protected]) ABSTRACT: The history of the species problem as applied to freshwater molluscs, from the beginning of scientific taxonomy to the present day, is outlined. Three main approaches to delineation of species boundaries (intuitive, conceptual, and operational) are discussed, with remarks on their practical usage in freshwater malacology. The central topic of the article is how malacologists changed their views on the essence of species category and the impact of these changes on the taxonomic practice. The opinions of some prominent and prolific workers in the field (Bourguignat, Kobelt, Hubendick, Starobogatov) are analysed as well as the debates around the theoretical foundations and practical results of the ‘Nouvelle École’ of the 19th century and the ‘comparatory’ systematics of the 20th century.