A new freshwater snail genus (Hydrobiidae, Gastropoda) from Montenegro, with a discussion on gastropod diversity and endemism in Skadar Lake (original) (raw)
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Ecologica Montenegrina
During the field trips to Bosnia & Hercegovina and Montenegro in the years 2015 - 2018 we investigated the subterranean freshwater gastropod fauna in several karst springs. Five subterranean gastropod species new to science had been recorded within the collected material. Three of the new species are assigned to the family Moitessieriidae: Paladilhiopsis cattaroensis n. sp., Paladilhiopsis matejkoi n. sp., Bosnidilhia vitojaensis n. sp. and two to the family Hydrobiidae: Plagigeyeria feheri n. sp. and Stygobium hercegnoviensis n. sp., the latter in the new genus Stygobium.
FRESHWATER SNAILS (MOLLUSCA: GASTROPODA)OF BULGARIA: AN UPDATED ANNOTATED CHECKLIST
The list of freshwater gastropods of Bulgaria, with data on their distribution, ecology and conservation status, was based on a critical overview of all available sources and unpublished materials. The total number of freshwater snail species hitherto recorded from Bulgaria is 120. Three species are regarded as extinct, two species were found only as subfossil remains. The most diverse families are Hydrobiidae (67 species), Planorbidae (15), and Lymnaeidae (11). The remaining families are represented by 1 to 4 species. Zoogeographical, ecological and conservation data are discussed.
Subterranean biology, 2017
During a field trip to the western part of the Balkan Peninsula in 2016, investigations of several caves and karstic springs revealed six new gastropod species living in subterranean waters and resulted in some note-worthy faunistic records. Five of the new species are assigned to the genus Pavlović, 1913, namely , , , , and one to the genus Tomlin, 1930, namely New Albania and Kosovo distribution records are given for Schütt, 1975, Schütt, 1960, (Bole, 1961), and the first georeferenced record is given for Schütt, 1960. The most important environmental factors influencing habitat selection of these subterranean freshwater gastropods are briefly discussed.
Diversity
An updated checklist of freshwater gastropods of Bosnia and Herzegovina, including 144 species and subspecies from 59 genera and 17 families, is presented in this paper. Hydrobiidae is the most diverse family, representing ~50% of the species richness in the country. In total, ~38% of the recorded taxa are endemic. The highest number of species was recorded from underground waters and/or springs, followed by rivers and standing waters. This inventory includes 18 crenobiotic taxa, of which 9 are endemic to Bosnia and Herzegovina. The country is divided between the Dniester–Lower Danube and Dalmatia ecoregions. The Dalmatia ecoregion has the highest overall diversity, i.e., 82 species and subspecies. Three invasive species are recorded in Bosnia and Herzegovina. Our study reveals that most species still lack conservation assessments, and only five species are nationally protected.
New investigations of freshwater habi-tats in caves revealed five new species of the Ris-sooidea in Bulgaria. The new species: Belgrandiella maarensis n. sp., Pontobelgrandiella tanevi n. sp. (the second species from this genus ever known), Bythiospeum simovi n. sp., Bythiospeum kolevi n. sp., Bythiospeum stoyanovi n. sp. are described and types illustrated. A synopsis of all published data on this ecological gastropod group in the country was comp-liled and complemented by author's unpublished data to provide a catalogue of all known Bulgarian stygobi-otic and troglophilous freshwater snails with their lo-calities.
Ecologica Montenegrina, 2015
A short overview of subterranean Balkan hydrobid genera, with special focus on genus Bythiospeum Bourguignat, 1892 and Iglica A.J. Wagner, 1928 is given. In addition, based on recently collected material in Montenegro (Vitoja Spring) and Albania (Krumë), five new species are described, namely: Bracenica vitojaensis n. sp., Islamia montenegrina n. sp., Lanzaia pesici n. sp., Bythiospeum szarowskae n. sp. and Pseudamnicola krumensis n. sp. The holotypes and paratypes are depicted. In addition a re-description of Bythiospeum gittenbergeri (A. & P.L. Reischütz, 2008) is given and the types of the Iglica spp. deposited in the NHMW are depicted, some of them for the first time.
Dominant species of the gastropod fauna from the littoral region in Lake Ohrid of R. Macedonia
Prilozi / Makedonska akademija na naukite i umetnostite, Oddelenie za biološki i medicinski nauki = Contributions / Macedonian Academy of Sciences and Arts, Section of Biological and Medical Sciences, 2007
The class of Gastropoda is one of the Lake Ohrid' macrozoobenthic groups, which characterize highest level of endemism. Since the first published references until now, studying the Lake Ohrid's snail fauna represents huge scientific challenge for many malacologists from the world. The high percent of endemic as well as relic forms among the lake's gastropods could be explained by the processes of intralacustric speciation during the history and evolution of this aquatic ecosystem. These processes no doubt have been enabled by the complexity and stability of the Lake's basin. This work represents the results of the dominant species, from both qualitative and quantitative sense of the gastropod fauna from 19 investigated littoral localities of Lake Ohrid. The results from the investigations on gastropod fauna has shown that following species: Chilopyrgula sturanyi, Radix relicta and Valvata stenotrema quailtatively predominates in the samples from the littoral region o...