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Freshwater and marine mollusks fauna from the archaeological site Chernyatino-2 in Primorye and its paleoecological and taphonomic features are studied, and its paleoeconomical significance is discussed. Two species of freshwater bivalves (Dahurinaia sp., Middendorffinaia sujfunensis Moskvicheva et Starobogatov, 1973) and three species of freshwate...
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The species composition, abundance and distribution of abundant species of living mollusks and thanatocoenosis in middle part of the Angrapa river (Kaliningrad district) were described based on samples that were collected in August 2015. 32 species were found (10 bivalves, 22 gastropods). Most abundant were Unio pictorum, Unio crassus, Pseudanodont...
The paper provides an overview of study of freshwater mollusks of Vishtynets (Vištytis) upland (Kaliningrad region, Russia) since 1966 to present time. Today are known 57 species of mollusks (20 bivalve and 37 gastropod species). The sampling was occurred out in 2013-2014. There were found 24 species of gastropods (6 Prosobranchia and 18 Pulmonata)...
There is a quantitative description of the fauna of freshwater gastropod and bivalvia mollusks of the Vishtynetsky Nature Park according to the results of periodic excursion observations in 2015−2017, and non-periodic sampling in 2017, mainly in vernal pools (periodic or drying-up water bodies). 45 species of mollusks were found, including 35 gastr...
Citations
На основе многолетних коллекционных сборов и литературных данных проведён обзор распространения редких и исчезающих пресноводных двустворчатых моллюсков – жемчужниц родов Dahurinaia и Kurilinaia с выявлением новых мест обитания. Морфометрический анализ раковин 6 видов Dahurianaia материковой части ареала (из бассейнов рек Амур, Уссури, Раздольная и оз. Ханка) подтвердил наличие аллометрического роста у жемчужниц; установлено, что такие признаки как высота створки у макушки и выпуклость раковины имеют наибольшую дискриминирующую силу. -- An overview of the distribution of the rare and endangered freshwater pearl mussels from genera Dahurinaia and Kurilinaia has been conducted on the basis of wide collection and literature data, with the identification of new habitats. Morphometric analysis of the shells of 6 Dahurianaia species inhabiting the mainland part of the range, notably the basins of the Amur, Ussuri, Razdolnaya rivers and the Khanka Lake, confirmed the presence of allometric growth in pearl mussel. It was shown such features as the height of the valve at the umbo and the convexity of the shell had the greatest discriminating significance.
