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Type materials of freshwater gastropod species described by C.A. Westerlund and accepted in current malacological taxonomy: a taxonomic and nomenclatorial study
Information is provided on type materials of 41 species of freshwater snails introduced by Westerlund and accepted in the current Russian taxonomy based on examination of materials from original Westerlund's collection dispersed now among three large scientific institutions.
Endemics or strangers? The integrative re-appraisal of taxonomy and phylogeny of the Greenland Lymnaeidae (Mollusca: Gastropoda).
A new species of Menestho Møller, 1842 from the Arctic with remarks on Menestho albula (Fabricius, 1780)(Gastropoda: Heterobranchia: Pyramidellidae).
- I. Nekhaev
- 10 November 2017
North Atlantic and Arctic representatives of the family Pyramidellidae had been intensively studied during the last decades, but in the Eurasian Arctic Seas only five species had been recorded.
A tale of two soft-shell clams: an integrative taxonomic analysis confirms Mya japonica as a valid species distinct from Mya arenaria (Bivalvia: Myidae)
The results from tree topologies, pairwise uncorrected p-distances, Automatic Barcode Gap Discovery (ABGD) and spermatozoan ultramorphological data confirm the validity of M. japonica in both its endemic region in the northwest Pacific, and as here newly reported introduced populations in British Columbia in the northeast Pacific.
Marine shell-bearing Gastropoda of Murman (Barents Sea): an annotated check-list
- I. Nekhaev
- Environmental Science
Annotated check-list of shell-bearing Gastropoda of Murman Coast (Barents Sea Coast of Kola Peninsula) is presented and a majority of species found in Murman waters have a boreal distribution and are typical for northern European fauna.
Freshwater Mollusca of the Circumpolar Arctic: a review on their taxonomy, diversity and biogeography
Since the end of the 19th century, the circumpolar fauna of freshwater Mollusca has not been reviewed despite the substantial increase of knowledge on this subject. A review of the freshwater…
Hermania indistincta comb. nov. (Gastropoda: Opisthobranchia: Cephalaspidea) from the Barents Sea – new species and genus for the fauna of the Russian Seas
Redescription of Leptogyra bujnitzkii (Gorbunov, 1946) comb. nov., the first representative of the gastropod subclass Neomphaliones from the high Arctic.
Ganesa bujnitzkii Gorbunov, 1946 was described from the bathyal of the Arctic Ocean north to the Laptev Sea based on only two specimens, which were the only representatives of this species mentioned…
Two species of parasitic molluscs new for Russian seas
- I. Nekhaev
Two parasitic gastropod species – Eulima bilineata Alder, 1848 and Odostomia turrita Hanley, 1844 – are recorded for the first time from the Murman coast of the Barents Sea. Brief species…