Falniowski (16 Ergebnisse)
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In den WarenkorbDuring a morphological/electrophoretic study on the European Viviparidae, a hybrid but fertile female specimen (Viviparus contectus (Millet, 1813) times V. viviparus (Linnaeus, 1758)) was found in the Niepolomice Forest, South Poland. The specimen showed intermediate characters in its shell, anatomy, and embryonic shell. Polyacr…ylamide gel electrophoresis of that specimen confirmed its hybrid origin, which was marked in eight enzyme systems: specific homozygotes in both species along with a typical heterozygote in the hybrid. Interspecific differences in allozyme pattern, with different alleles in at least one locus in most enzyme systems studied, seem to indicate that V. contectus and V. viviparus are very old species, and their isolating mechanisms preventing hybridization could have become not efficient enough after such a long time since the speciation event. This is all the more probable, now that they occur sympatrically very rarely. 4 pp., 4 figs, 4.
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In den WarenkorbNew taxon: Bythinella zyvionteki n. sp. 4 pp., 38 figs, gr. 8.
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In den WarenkorbIn normal conditions the snail P. jenkinsi breeds parthenogenetically; unfertilized eggs give rise to females only. Males are very rare. In western Europe, of 8528 specimens, only 101 were males. One male of 8000 specimens was found in Poland. The shell of this male had no keel, the penis was situated dorsally on the head. 3 pp.…, 1 fig.
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In den WarenkorbLymnaea (Radix) auricularia and L. (R.) peregra can be distinguished by the pigmentation of the mantle border. L. auricularia has a band with small pigment dots along the mantle border, which is not present in L. peregra. 6 pp., 19 figs., gr. 8.
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In den Warenkorb5 pp., 20 figs, gr. 8.
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In den WarenkorbIn the small lake located in the cave Melissotrypa in Thessalia, Greece, truncatelloidean gastropods representing two species were found, new to science. One of them, represented by two specimens only, has been described based on the shell characters only; with its cytochrome oxidase sequence it has been assigned to the genus Ig…lica, and to the family Moitessieriidae, Iglica hellenica sp. n. For the other species, represented by 30 collected specimens, the shell, protoconch, radula, head, penis and female reproductive organs have been described; all the morphological characters and cytochrome oxidase sequences have confirmed its assignment to the genus Daphniola (Hydrobiidae: Sadlerianinae), Daphniola magdalenae Falniowski, sp. n. New taxa: Iglica hellenica n. sp., Daphniola magdalenae n. sp. 14 pp., 13 figs, gr. 8.
New data on the valvatiform-shelled Hydrobiidae (Caenogastropoda, Truncatelloidea) from southern Greece
Hofman, S., Grego, J., Fehér, Z., Er?ss, Z. P., Rysiewska, A., Osikowski, A. & Falniowski, A.
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In den WarenkorbThe minute valvatiform-shelled Hydrobiidae are less studied than other hydrobiid gastropods. In this paper, new data on these snails are presented, which have been collected at twelve springs in southern Greece: one in Boeotia, one on Evvoia Island, and ten on the Peloponnese Peninsula. Mitochondrial cytochrome oxidase subunit I… (COI) and nuclear histone (H3) have been used to confirm the determinations and infer the relationships of the studied gastropods. They represent the genera Daphniola, Graecoarganiella and Isimerope. New localities, expanding the known geographic ranges, have been presented for Daphniola hadei and Daphniola louisi. A species of Daphniola found at two localities has been identified as a species new to science, and its description, including the shell, penis, and female reproductive organs is given. Possible relationships between Graecoarganiella and Isimerope are discussed; their representatives are possibly new species. At one locality a single specimen likely represents a new genus: it was found to be most closely related with Islamia, but genetically (p-distance) too distant to be congeneric with Islamia. 17 pp., 8 figs, gr. 8 [16.5 x 23.7 cm].
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In den Warenkorb18 pp., 7 figs, geh. gr. 8.
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In den WarenkorbBythinella is a minute dioecious caenogastropod that inhabits springs in central and southern Europe. In the Balkans, previous studies have addressed its morphological and genetic differentiation within Greece and Romania while the Bulgarian species have remained poorly known. The aim of the present paper has been to expand the…knowledge on the subject in Bulgaria. Shell morphology and anatomy of the reproductive organs were examined, and a fragment of the mitochondrial cytochrome oxidase subunit I (COI) gene and the nuclear ribosomal Internal Transcribed Spacer 1 (ITS-1) were sequenced from 15 populations. Additional sequences from eight previously studied populations were included in our analyses. Phylogenetic analyses revealed five main mitochondrial DNA clades, which were partly confirmed by analyses of the ITS-1 sequences. The genetic differentiation between the clades was found to be in the range p=2.4-11.8%. Most of the populations belonged to clade I, representing B. hansboetersi, and were distributed in SW Bulgaria. Clades II and III inhabit areas adjacent to clade I and were most closely related with the latter clade. Much more distinct were clade V, found at one locality in NW Bulgaria, and clade IV, found at one locality in SE Bulgaria, close to the sea. Four populations were found in caves, but only one of these represented a distinct clade. Considering the observed pattern of interpopulation differentiation of Bythinella in Bulgaria, we can suppose that isolation between clades I, II and III may have been caused by glaciations during the Pleistocene. The time of isolation between the above three clades and clade IV coincides with the Messinian Salinity Crisis, and the time of isolation between the clade V and the other four most probably reflects the isolation of the Rhodopes from western Balkan Mts by the seawater of the Dacic Basin. 20 pp., 6 figs, gr. 8.
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In den WarenkorbA new species of Kerkia, K. briani Rysiewska & Osikowski, sp. nov. is described from the spring Poli?ki Studenac Vrelo (Crkvina), adjacent to the Trebinjica River (Bosnia and Herzegovina) collected with Bou-Rouch technique, pumped from an interstitial habitat 50 cm below the bottom of the spring. The shell, female reproductive o…rgans, and the penis are described and illustrated. Mitochondrial cytochrome oxidase subunit I (COI) and nuclear histone H3 partial sequences confirm the distinctness of the new species, and molecularly based phylogenetic relationships of Kerkia are briefly presented. 17 pp., 8 figs, 3 tabs, gr. 8.
Weitere BilderVerlag: 1987 [reproduction], 1987
- Hardcover
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In den Warenkorb122 pp., 32 figs, hardback gr. 8 [17.5 x 25 cm].
Two new species of the Balkan genus Paladilhiopsis Pavlovi?, 1913 (Caenogastropoda, Moitessieriidae)
Hofman, S., Grego, J., Rysiewska, A., Osikowski, A. & Falniowski, A.
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In den WarenkorbThe Balkan Peninsula is inhabited by the worldwide most diverse subterranean gastropod fauna. This fauna is still poorly studied, since its habitats are not easily accessible, and its sampled populations are mostly not rich in specimens' numbers. Often only empty shells are known, but the shell is hardly useful, not only in phyl…ogeny reconstruction, but even in species determination. The exclusively obligatory subterranean family Moitessieriidae is especially poorly studied. Representatives of the genus Paladilhiopsis Pavlovi?, 1913 (Moitessieriidae) collected at three localities, distributed in Croatia and Bosnia & Herzegovina, were studied. The pigmentation of their shells and soft parts, as well as the female and male reproductive organs in one taxon, are presented. The partial sequences of the molecular markers mitochondrial cytochrome oxidase subunit I (COI) and nuclear histone 3 (H3) were used to infer their systematic status and phylogenetic relationships. Two species new to science are described. For one of them, also studied anatomically, 15 specimens were sequenced for COI, and all show the same haplotype. New taxa: Paladilhiopsis stellatus n. sp., Paladilhiopsis arion n. sp. 20 pp., 9 figs, 4 tabs, gr. 8 [16.5 x 23.7 cm].
Crenobiont, stygophile and stygobiont molluscs in the hydrographic area of the Trebisnjica River Basin
Falniowski, A., Lewarne, B., Rysiewska, A., Osikowski, A. & Hofman, S.
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In den WarenkorbIn the paper the crenobiont, stygophile and stygobiont malacofauna of the karst area of Popovo Polje around Trebinje (Eastern Herzegovina, BiH) is presented. The materials were collected from springs, caves and interstitial habitats (with a Bou-Rouch pump) at 23 localities. The following species were found: Pisidium cf. personat…um A.W. Malm, 1855, Theodoxus callosus (Deshayes, 1833), Sadleriana fluminensis (Küster, 1852), Radomaniola curta (Küster, 1852), Radomaniola cf. bosniaca (Radoman, 1973), Kerkia briani Rysiewska & Osikowski, 2020, Montenegrospeum bogici (Pei? & Glöer, 2012), Litthabitella chilodia (Westerlund, 1886), Travunijana vruljakensis Grego & Glöer, 2019, a new genus and species of the Sadlerianinae, Emmericia ventricosa Brusina, 1870, Iglica cf. absoloni (A.J. Wagner, 1914), Plagigeyeria tribunicae Schütt, 1963, Paladilhiopsis arion Rysiewska & Osikowski, 2021, Valvata montenegrina Glöer & Pei?, 2008, Radix labiata (Rossmässler, 1835), Galba truncatula (O. F. Müller, 1774), Ancylus recurvus Martens, 1783, Ancylus sp. and the amphibiotic Succinea cf. putris (Linnaeus, 1758). The redescription of the genus Travunijana Grego & Glöer, 2019, applying the characteristics of shell, female reproductive organs and penis, is also presented. The new genus and species are described, based on the shell, penis, radula and fragmentary data on the female reproductive organs. For all species, the mitochondrial cytochrome oxidase subunit I (COI) is applied to confirm the determination; in the case of Travunijana and the new genus, the nuclear histone H3 locus is also used, in order to infer both their distinctiveness and phylogenetic relationships. New taxon: Iglicopsis butoti n. sp. 29 pp., 14 figs, gr. 8 [16.5 x 23.7 cm].
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In den Warenkorb29 pp. + 17 b/w plates, gr. 8 [with extended Russian and German summary].
- Softcover
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In den Warenkorb148 pp., 156 figs, 20 pls, br. gr. 8 [17 x 24 cm] [in Polish with extended English summary].
Revealing the stygobiotic and crenobiotic molluscan biodiversity hotspot in Caucasus: Part I. The phylogeny of stygobiotic Sadlerianinae Szarowska, 2006 (Mollusca, Gastropoda, Hydrobiidae) from Georgia with descriptions of five new genera and twenty-one new species
Grego, J., Mumladze, L., Falniowski, A., Osikowski, A., Rysiewska, A., Palatov, D. M. & Hofman, S.
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In den WarenkorbThe position of the southwestern Caucasus as a stygobiotic Mollusca hotspot is confirmed. Molecular data of stygobiotic gastropods revealed the diversity of subfamily Sadlerianinae Szarowska, 2006, inhabiting the subterranean environment of Georgia. In addition to the well-known endemic genera Pontohoratia Vinarski, Palatov & Gl…öer, 2014 and Motsametia Vinarski, Palatov & Glöer, 2014, five more genera were identified in northwestern Georgia as new to the science: Kartvelobia gen. nov., Imeretiopsis gen. nov., Caucasopsis gen. nov., Caucasogeyeria gen. nov., and Hausdorfenia gen. nov. Additionally, 21 new species were found to inhabit the studied area (Samegrelo, Imereti, Racha regions in Georgia). 77 pp., 19 figs, 9 tabs, gr. 8.
