TurkJZool 30(2006)197-204 ©TÜB‹TAK

SupplementtotheProsobranchia(:) FaunaofFreshandBrackishWatersofTurkey

M.ZekiYILDIRIM1,SevalBahad›rKOCA2,ÜmitKEBAPÇI3 1SüleymanDemirelUniversity,BurdurFacultyofEducation,15100Burdur-TURKEY 2SüleymanDemirelUniversity,E¤irdirFacultyofFisheries,32500E¤irdir,Isparta-TURKEY 3SüleymanDemirelUniversity,FacultyofArtsandSciences,BiologyDepartment,32260Isparta-TURKEY

Received:03.08.2005

Abstract: Thisstudyre-evaluatedthebrackishandfreshwaterProsobranchfaunalistofTurkey.Furthermore,recentsystematic changesandfuturestudiestobeperformedwerediscussed.

Theodoxus(Theodoxus)danubialis (C.PFEIFFER1828), Th.(Th.)subthermalis (ISSEL1865), Bythinellaopaca (FRAUENFELD 1857),Pseudamnicolamacrostoma (KÜSTER1852),P.kotschyi FRAUENFELD1856andP.elbursensis STARMÜHLER&EDLAUER 1957wereremovedfromthelist,whilethefollowingtaxawereadded: Viviparusmamillatus (KÜSTER1852), Bithyniapentheri STURANY1905, Hydrobiaventrosa (MONTAGU1803), Hydrobia(Peringia)ulvae (PENNANT1777), Belgrandiellaadsharica (LINDHOLM1913),SadlerianabyzanthinademirsoyiiYILDIRIMandMORKOYUNLU1997,Sadlerianafluminensis (KÜSTER1852), Tefenniatefennica SCHÜTTandYILDIRIM2003, Falsipyrgulaschuetti YILDIRIM1999, Bythinellaoccasiuncula BOETERSand FALKNER2001andPaludinellalittorina (DELLECHIAJE1825).Thenumberofcurrentlyrecognisedtaxareaches80.

KeyWords: Prosobranchia,Gastropoda,Turkey

TürkiyeTatl›veAc›suProsobranchia(Mollusca:Gastropoda)Faunas›'naKatk›lar

Özet: Buçal›flmada,Türkiye’ninac›vetatl›sular›ndayay›l›flgösterenProsobranfltürlerilistesindeyenibirde¤erlendirmeyap›larak , sonsistematikde¤iflikliklerveilerideyap›lmas›gerekenlertart›fl›lm›flt›r.

Theodoxus(Theodoxus)danubialis (C.PFEIFFER1828), Th.(Th.)subthermalis (ISSEL1865), Bythinellaopaca (FRAUENFELD 1857),Pseudamnicolamacrostoma (KÜSTER1852),P.kotschyi FRAUENFELD1856veP.elbursensis STARMÜHLER&EDLAUER 1957türlerilistedenç›kar›l›rken; Viviparusmamillatus (KÜSTER1852), Bithyniapentheri STURANY1905, Hydrobiaventrosa (MONTAGU1803),Hydrobia(Peringia)ulvae (PENNANT1777),Belgrandiellaadsharica (LINDHOLM1913),Sadlerianabyzanthina demirsoyiiYILDIRIMveMORKOYUNLU1997, Sadlerianafluminensis (KÜSTER1852), Tefenniatefennica SCHÜTTveYILDIRIM 2003,Falsipyrgulaschuetti YILDIRIM1999, Bythinellaoccasiuncula BOETERSveFALKNER2001ve Paludinellalittorina (DELLE CHIAJE1825)türlerilisteyeeklenilmifltir.Budüzenlemeileülkemizdekiiçsulardayay›l›flgösterenProsobranchiatürsay›s›8 0’e ulaflm›flt›r.

AnahtarSözcükler: Prosobranchia,Gastropoda,Türkiye

Introduction whilstintheLakesRegion32prosobranchtaxafrom18 Taxonomicalstudiesdealingwiththefreshand generaand10familieswererecorded,25ofthelatter brackishwatergastropodsofTurkey,particularly beingalsoendemics(Y›ld›r›m,1999b).Inaddition,22 concentratedonspringsnails(Hydrobioidea),arerather speciesand6subspeciesoffossilprosobranchswerealso scarceandhavebeendonemainlyinsecondhalfofthe listed,whichhavebeenreportedfromQuaternary lastcentury.Thus,itcanstillbesaidthataquatic sedimentsinvariouspartsofAnatolia,whereallbutone gastropodsofTurkeyarepoorlyknown. speciesoriginallydescribedfromAnatolia(Y›ld›r›m, 1999a).Amongtheliteraturenotpreviouslymentioned, Inthepreviouslistofthefreshandbrackishwatersof Boettger(1857)describedseveralProsobranchspecies Turkey(Y›ld›r›m,1999a),73recentprosobranchtaxa,of fromdifferentpartsofTurkey, Pseudamnicolalindbergi which40beingAnatolianendemics,wererecorded, (P›narbafl›,Elbistan)and Belgrandiellacavernica (‹ns›rt›

197 SupplementtotheProsobranchia(Mollusca:Gastropoda)FaunaofFreshandBrackishWatersofTurkey

Cave,Ere¤li,Zonguldak),andreported Theodoxus ItisrecordedfromcoastalbrackishwatersofTurkey. anatolicus fromAntakya.Forcart(1961)recorded Localities: Sar›kumLake,DerbentDamLake Theodoxusanatolicus (Denizli), Viviparusmamillatus (Öktener,2004),(Demir,2003),Aegeanand (BelgradForest,‹stanbul;AbantLake),and Melanopsis Mediterraneancoasts(Demir,2003). praemorsa (Karakaya,Bal›kesir;Denizli). Hydrobia(Peringia)ulvae (PENNANT1777) 1777Turboulvae PENNANT,TH.,p.132,Taf.86, Results Fig.129. Additionstothelist: 1933Hydrobiaulvae ERMAN,P.188 Viviparusmamillatus (KÜSTER1852) 2002Hydrobiaulvae GLÖER,P.101 1961Viviparusmamillatus –FORCART,L.,p.176. ThisspecieswasrecordedfromtheAegeancoastof 1990Viviparusmamillatus –FECHTERandFALKNER, Turkey(Demir,2003). p.118. ThisspecieswasrecordedonlyfromlakeAbantand Belgrandiellaadsharica (LINDHOLM1913) Belgradforestsofar(Forcart,1961).General 1913Bythinellaadsharica LINDHOLM,67. distributionofthespecieswasgivenaswesternBalkan Emptyshellsassignedtothisspecieswerecollected PeninsulafromCroatiatoEpirus(FechterandFalkner, fromaspring5kmNofBorçka(Artvin)(Schüttand 1990). fieflen,1993).

Bithyniapentheri STURANY1905 Sadlerianabyzanthinademirsoyii YILDIRIMand 1905 Bithyniapentheri STURANY,Ann.Naturhist. MORKOYUNLU1997 Hofmus.Wien,20:307,fig.10. 1997SadlerianabyzanthinademirsoyiiYILDIRIMand Translationfromtheoriginaldescription:“…Shell MORKOYUNLU,III.Ulusa1EkolojiveÇevreKongresiCilt compact,ovaltocompressedcylindrical,dull,rough, 2:156-159 greenishyellowtobrown,withclosedorslit-like Theshellsofthesesnailsdifferfromthenominalform umbilicus;31/2-4rapidlyincreasing,fairlyincreasing bytheincurvedpalataledge.Ithasbeenrecordedsofar turnswithquitedeepsutures.Growthlinesirregularand fromtheprovincesofAntalya(Yar›kp›narSpring,Gömbe ±clearspirallinestowardsmouth.Lastwhorlmore Spring;Y›ld›r›mandKaraflahin,2000),andBurdur developed,mouthoblong-oval,edgessharp,connected (Kümbetlip›narSpring,Yar›fll›VillageSpring,and anddark-brownrimmed.Operculumoval,upperedge Yeflilova;Y›ld›r›metal.,2002).Thenominalsubspeciesis angular,concentric.Height8-9.5,width6-7.5mm, knownaround‹zmir,ManisaandKütahya(Schütt,1965; apertureheight5,width31/2mm..”(Sturany,1905). Soylu,1990),while demirsoyii seemstobeisolatedin Itisknownfromtheoriginaldescription,fromSousali south-westernAnatolia. (=Soysall›)andafewrecentlycollectedsamplesfrom Kayseri. Sadlerianafluminensis (KÜSTER1852) RecentMaterial:KarpuzSekisi,Kayseri;AmbarPark ItwasrecordedoncefromLakeSapanca(Schütt, Brook,Kayseri. 1988).Thisrecordisdubiousasithasneverrecorded sincethenandthedistributionof fluminensis isinthe Hydrobia(Hydrobia)ventrosa (MONTAGU1803) westernBalkans(Radoman,1983). 1803Turboventrosus,p.317 GenusTefennia SCHÜTTandYILDIRIM,2003 2002Hydrobia(Hydrobia)ventrosa GLÖER,p.99 Thisgenusisconchologicallycharacterisedbya sinuateapertureonthestronglydevelopedaperture.This 2003Ventrosiaventrosa DEM‹R,Tr.J.ofZoology, monotypicgenusiscurrentlyendemictothetypelocality 27:108 ofT.tefennica.Thisnewgenuspossiblyhasarelictary

198 M.Z.YILDIRIM,S.B.KOCA,Ü. KEBAPÇI

originintheoldTefennibasin(Bering,1971;Steininger Deletedtaxa andRögl,1985). Theodoxus(Theodoxus)danubialis (C.PFEIFFER 1828) Tefenniatefennica SCHÜTTandYILDIRIM2003 ThisspecieslivesintheDanuberiveranddrainage 2003Tefenniatefennica SCHÜTTandYILDIRIMArch. systemsflowingintothenorth-westernpartsoftheBlack 1 Molluskende132: /2:1-7.FrankfurtamMain. Sea(Zhadin,1965;FechterandFalkner,1990;Glöer, Shellminute,thin,lightcorneous,withabluntapex 2002),andisrecordedfromtheshoresofLakeSapanca and4whorls;shellovoidconicalwithastrongly (Schütt,1988).However,wehavenotbeenabletosort developedlastwhorlandabroadovalaperturehaving2 thisspeciesduringsurveyssofar.Thusweconcludethat smalldepressionsaboveandbelowitslip;umbilicus therecordprobablybelongsto Th.fluviatilis euxinus almostclosed.Itisknownfromasinglelocality. (CLESSIN1885)confusablewith Th.danubialis dueto thecommonzigzagpatternonthelightershell Material: Baflp›narSpring(Tefenni,Burdur). background.

Falsipyrgulaschuetti YILDIRIM1999 Theodoxus(Theodoxus)subthermalis (ISSEL 1999 Falsipyrgulaschuetti ,SCHÜTTandYILDIRIM, 1865) Malakol.Abh.Mus.Tierkd.Dresden,19:243,F.4. Allrecordsof Theodoxussubthermalis (ISSEL1865) Shellverysmall,conical,spireshort;theembryonic arefromwesternandsouth-westernAnatolia(Bilgin, whorlssmooth,thefollowingwhorlswith2distinct 1980),andthosefurtherwest(e.g.,Lesbos)are keels.ItisknownonlyfromasinglelocalityinLake misidentificationsof Th.fluviatilisfluviatilis (LINNAEUS Beyflehir(SchüttandY›ld›r›m,1999). 1758),becauserecentstudiesshowthatonly4 Material: LakeBeyflehir Theodoxusspecies(fluviatilis,altenai,anatolicus ,and heldreichi) occurinthearea.Thespeciesisapparently Bythinellaoccasiuncula BOETERS&FALKNER, endemictoIranandCaucasia(Zhadin,1965),andthus 2001 thepossibilityofitsoccurrencewithinthebordersof Turkeyisstillquestionable,asithasbeenrecordedfrom 2001 Bythinellaoccasiuncula BOETERS&FALKNER, Erivan,Poti,KutaisiandSokhumi(Zhadin,1865)quite HeldiaBand3,Heft2/3:S.51-52. neartotheNEbordersofTurkey. Itisarelativelysmall Bythinella species(height1.9- 1 2.3mm,width1.3-1.5mm)with3/2 whorls.Shelloval, suturesdeep.Mouthobliqueoval,edgeswithaslight Bythinellaopaca (FRAUENFELD1857) thickeningontheumbilicalside;umbilicusslit-like.Itwas Thegenus Bythinella ingeneralincludesstenoecious describedfrom“KirkOluk”springinBozDa¤lar,between specieswithlimiteddistributions(Zhadin,1965).From BirgiandBozda¤,SEofÖdemifl,‹zmir(Boetersand Turkey,theendemic B.turca (Radoman,1976)and Falkner,2001). CentralEuropean B.opaca (Schütt,1965)havebeen recorded,bothfromsinglelocalities,butwethinkthat Paludinellalittorina (DELLECHIAJE1825) thelatterspeciesisnot opaca,butanewspecies. 1828Helixlittorina DELLECHIAJE,p.225. Thisisaminutesnailspecies(shellheight2-3mm) Pseudamnicolamacrostoma (KÜSTER1852) livinginlagoonsandrockyshores.Shellscollectedfrom ThisspecieslivesincontinentalGreeceandEuboa AegeanandMediterraneancoastsofTurkeywere (Schütt,1980)anddoesnotseemtoreachtheAnatolian identifiedas P.littorina (Demir,2003).Another mainland.Thustherecordfrom‹zmirprobablydoesnot Mediterraneanspecies, Paludinellasicana (BRUGNONE belongtothisspecies. 1876),wasrecordedfromIsrael,butnotlittorina (Henk Mienis,inlitt.).

199 SupplementtotheProsobranchia(Mollusca:Gastropoda)FaunaofFreshandBrackishWatersofTurkey

Pseudamnicolakotschyi FRAUENFELD1856and ClassisGASTROPODA CUVIER1795 P.elbursensis STARMÜHLER&EDLAUER1957 SubclassisOrthogastropoda PONDERandLINDBERG Accordingtomaterialgatheredfromsitesinwhich 1995 thetaxaaresaidtobecollected,bothare (=Prosobranchia MILNE-EDWARDS1848) misidentificationsofP.bilgini andtheyarenotpresentin OrdoNeritopsina COXandKNIGHT1960 Turkey,butarepresentinIran(fieflen,1992;Schüttand fieflen,1993). SuperfamiliaNeritoidea LAMARCK1809 FamiliaNeritidae LAMARCK,1809 RemarksandCorrigenda Genus Theodoxus MONTFORT1810 Hydrobiaacuta (DRAPARNAUD1805) Theodoxusfluviatilisfluviatilis (L.1789) TherecordfromtheNeogeneofK›lbasanDistrict Theodoxusfluviatiliseuxinus (CLESSIN1885) (Karaman,Turkey)(YeflilyurtandTaner,2002)belongs Theodoxusheldreichiheldreichi (MARTENS1879) morelikelytoanothergenus,asthewhorlsareless Theodoxusheldreichifluvicola SCHÜTTandSEfiEN swollenandnumerous,whiletheapexisbluntor 1992 corroded.However,wethinkthatthespeciesis overlookedanddoesoccuronTurkishcoasts. Theodoxusanatolicus (RECLUZ1841) Theodoxussyriacus (BOURGUIGNAT1852)

Theodoxuspallasi (LINDHOLM1924)and Theodoxusaltenai SCHÜTT1965 Assimineagrayana (FLEM‹NG1828) Theodoxusjordani (SOWERBY1832) BothwererecordedfromYamansazlakeinAntalya Theodoxuscinctellus (MARTENS1874) (Falakali-Mutafetal.,2004). Th.pallasi isfoundin Caspianlake(Zhadin,1965),whileA.grayana isfoundon OrdoArchitaenioglossa HALLER1890 theAtlanticcoastsofnorth-westernEurope(Glöer, 2002).Thefiguresshouldactuallybelongto Th. SuperfamiliaAmpullarioidea J.E.GRAY1824 anatolicus andpossiblyajuvenileEnidsp.;butanexact FamiliaViviparidae J.E.GRAY1847 separationcouldn’tbemade. SubfamiliaViviparinae J.E.GRAY1847 GenusViviparus MONTFORT1810 Semisalsalongiscata (BOURGUIGNAT1856) Viviparusmamillatus (KÜSTER1852) Thisspecieswaserroneouslyreportedintheprevious Viviparuscontectus (MILLET1813) listasendemictoTurkey(Y›ld›r›m,1999a),andis actuallyfoundinHatay,Syria,Lebanon,Jordan,and Viviparusviviparuscostae (MOUSSON1863) Israel(Schütt,1982;Mienis,2004). OrdoNeotaenioglossa HALLER1892 Valvatamacrostoma (MORCH1864) SuperfamiliaCerithioidea A.FERUSSAC1822 Valvatapulchella STUDER1820wassynonymised FamiliaThiaridaeTROSCHEL1857 with V.macrostoma onlyrecently(Glöer,2002),and SubfamiliaThiarinae TROSCHEL1857 thereforeprevious pulchella recordsaretobemovedto GenusMelanoides OLIVIER1804 macrostoma. Melanoidestuberculatus (O.F.MÜLLER1774) Withthelastadditions,thecurrentlistofrecent ProsobranchsofthefreshandbrackishwatersofTurkey isasfollows(higherlevelsystematicsisbasedonGlöer, FamiliaMelanopsidae H.andA.ADAMS1854 2002): SubfamiliaMelanopsinae H.andA.ADAMS1854

200 M.Z.YILDIRIM,S.B.KOCA,Ü. KEBAPÇI

GenusMelanopsis A.FERUSSAC1807 Hydrobiaventrosa (MONTAGU1803) Melanopsispraemorsapraemorsa (L.1789) Hydrobiastagnorum (GMELIN1790) Melanopsispraemorsaferussaci ROTH1839 SubgenusPeringia PALADILHE1874 Melanopsispraemorsamaximalis SCHÜTT1974 Hydrobia(Peringia)ulvae (PENNANT1777) Melanopsisbuccinoidea (OLIVIER1801) SubgenusIncertaesedis Melanopsiscostatacostata (OLIVIER1804) Hydrobiasoosi (WAGNER1928) Melanopsiscostatachantrei LOCARD1921 Hydrobiaanatolica SCHÜTT1965 Melanopsisnodosa FERUSSAC1823 GenusPseudamnicola PAULUCCI1878 GenusEsperiana BOURGUIGNAT1877 Pseudamnicolageldiayana SCHÜTT1970 Esperiana(Esperiana)esperi (A.FERUSSAC1823) Pseudamnicolaintranodosa SCHÜTT1993 Esperiana(Microcolpia?)sangarica SCHÜTT1974 Pseudamnicolabilgini SCHÜTT1993 Esperiana(Microcolpia?)acicularisstussineri SCHÜTT 1974 SubfamiliaPyrgorientalia RADOMAN1973 GenusPyrgorientalia RADOMAN1973 SuperfamiliaRissooidea J.E.GRAY1847 Pyrgorientaliazilchi(SCHÜTT1964) FamiliaBithyniidae TROSCHEL1857

GenusBithynia LEACH1818 GenusKirelia RADOMAN1973 SubgenusBithynia LEACH1818 Kireliacarinata RADOMAN1973 Bithyniatentaculata (LINNAEUS1758) KireliamurticiRADOMAN1973 Subgenus Codiella LOCARD1894

Bithynialeachi (SHEPPARD1823) SubfamiliaFalsipyrgulinae RADOMAN,1983 SubgenusIncertaesedis GenusFalsipyrgula RADOMAN,1973 Bithyniapseudemmericia SCHÜTT1964 Falsipyrgulapfeiferi(WEBER1927) Bithyniaphialensis (CONRAD1852) Falsipyrgulabeysehirana (SCHÜTT1965) Bithyniabadiella (KÜSTER1852) Falsipyrgulaschuetti YILDIRIM1999 Bithyniapentheri STURANY1905

SubfamiliaOrientalininae RADOMAN1983 FamiliaHydrobiidae TROSCHEL1857 GenusHoratia BOURGUIGNAT1887 SubfamiliaTateinae THIELE1925 Horatiaparvula (NAEGELE1894) GenusPotamopyrgus STIMPSON1865 GenusPseudorientalia RADOMAN1973 Potamopyrgusantipodarum (J.E.GRAY1843) Pseudorientalianatolicanatolica (KÜSTER1852) (=Hydrobiajenkinsi SMITH1889) Pseudorientalianatolicasmyrnensis SCHÜTT1970

SubfamiliaHydrobiinae TROSCHEL1857 GenusFalsibelgrandiella RADOMAN1973 GenusHydrobia W.HARTMANN1821 Falsibelgrandiellabunarica RADOMAN1973 SubgenusHydrobia W.HARTMANN1821

201 SupplementtotheProsobranchia(Mollusca:Gastropoda)FaunaofFreshandBrackishWatersofTurkey

GenusTefennia SCHÜTTandYILDIRIM2003 Sadlerianabyzanthinademirsoyii YILDIRIMand Tefenniatefennica SCHÜTTandYILDIRIM2003 MORKOYUNLU1997 Sadlerianafluminensis (KÜSTER1852) Sadlerianaminuta (NAEGELE1903) GenusOrientalina RADOMAN1978 Orientalinacaputlacus SCHÜTT1993 GenusIslamia RADOMAN1973 Islamiapseudorientalica RADOMAN1973 GenusTurkorintalia RADOMAN1973 Islamiaanatolica RADOMAN1973 Turkorientaliaanatolica RADOMAN1973 Islamiabunarbasa (SCHÜTT1964)

GenusSheitanok SCHÜTTandfiEfiEN1991 SubfamiliaLithoglyphinae TROSCHEL1857 Sheitanokamidicus SCHÜTTandfiEfiEN1991 GenusLithoglyphus C.PFEIFFER1828 Lithoglyphusnaticoides (C.PFEIFFER,1828) SubfamiliaGraecoanatolicinae RADOMAN1973 Genus Graecoanatolica RADOMAN1973 SubfamiliaAmnicolinae TRYON1862 Graecoanatolicalacustristurca RADOMAN1973 GenusBythinella MOQUIN-TANDON1856 Graecoanatolicatenuis RADOMAN1973 Bythinellaturca RADOMAN1976 Graecoanatolicakocapinarica RADOMAN1973 Bythinellaoccasiuncula BOETERSandFALKNER2001 Graecoanatolicaconica RADOMAN1973 Bythinella sp.A* Graecoanatolicabrevis RADOMAN1973

Graecoanatolicapamphylica (SCHÜTT1964) FamiliaAssimineidae H.andA.ADAMS1856 GenusPaludinella L.PFEIFFER1841 SubfamiliaCochliopinae TRYON1866 Subgenus Paludinella L.PFEIFFER1841 GenusHeleobia STIMPSON1865 Paludinellalittorina (DELLECHIAJE1828) SubgenusSemisalsa RADOMAN1974

Heleobia(Semisalsa)longiscata (BOURGUIGNAT Superordo J.E.GRAY1840 1856) OrdoEctobranchia P.FISCHER1884 Superfamilia J.E.GRAY1840 SubfamiliaBelgrandiinae DESTEFANI1877 Familia J.E.GRAY1840 GenusBelgrandiella A.J.WAGNER1928 GenusValvata O.F.MÜLLER1773 Belgrandiellaedessana SCHÜTT1993 SubgenusValvata O.F.MÜLLER1773 Belgrandiellacavernica BOETTGER1957 Valvatacristata O.F.MÜLLER1774 Belgrandiellaadsharica (LINDHOLM1913) Valvatasaulcyi BOURGUIGNAT1853 SubgenusTropidina H.&A.ADAMS1854 GenusSadleriana CLESSIN1890 Valvatamacrostoma (MORCH1864) Sadlerianaaffinis(FRAUENFELD1863) SubgenusCincinna HÜBNER1810 Sadlerianabyzanthinabyzanthina (KÜSTER1852) Valvata(Cincinna)piscinalis (O.F.MÜLLER1774)

202 M.Z.YILDIRIM,S.B.KOCA,Ü. KEBAPÇI

Genus LlNDHOLM1913 Hydrobia s.l.populationsinTurkeyisstillunder Borysthenianaticina (MENKE1845) discussion. TherecordsofV.mamillatus andS.fluminensis from Turkey,togetherwiththoseofothercongeners,arealso *TheBythinellaspeciesfrom‹stanbulbelongstoan dubiousduetothesplitwiththeirmaindistribution unidentifiedspeciesandisshownasBythinella sp.Ainthe centres,inthewesternBalkanPeninsulaandcentral list. Europe. Inthedeterminationoftheaquaticmalacofaunaof Discussion Turkey,thereseemtobe3majorpitfalls.Thefirstisthe Withthelastadditionsthefreshandbrackishwater smallnumberofresearchersonthesubject,andthe gastropodfaunaofTurkeyreaches80taxa.Additionsto secondisthedeterminationofspeciesonlywith thelistare Bithyniapentheri STURANY1905, Hydrobia conchologicalparameters,whichleadstoconfusionand ventrosa (MONTAGU1803), Hydrobia(Peringia)ulvae misidentifications.Thelastmajorproblemisthecomplex (PENNANT1777), Belgrandiellaadsharica (LINDHOLM hydrogeographicconnectionsandactivepaleogeography 1913), Sadlerianabyzanthinademirsoyii YILDIRIMand ofAnatolia. MORKOYUNLU1997, Sadlerianafluminensis (KÜSTER Ageneraldelineationoftheoriginsoftheinland 1852),Tefenniatefennica SCHÜTTandYILDIRIM2003, speciesisverydifficult,becauseterrestrialevolutionby Falsipyrgulaschuetti YILDIRIM1999, Bythinella lateMiocene,andthepresenceofSarmatianSea, occasiuncula BOETERS&FALKNER2001, Paludinella AegeopotamusRiver,andthelonglastingSuperiorLake littorina (DELLECHIAJE1825),and Valvata(Tropidina) ofAnatoliaenabledconnectionswithvariousfaunasbut macrostoma (MORCH1864). alsothedevelopmentofauniqueandisolatedfauna.For instance, Tefenniatefennica (Tefennispringsnail)is Generally,identificationswithoutanatomicalevidence foundonlyinaspringinTefennibasin(Burdur)isarelict leadtomisidentifications,particularlyinolderstudiesin withnocloserelativescloserelatives.However,practises whichonlytheconchologicalfeatureswereused. ofirrigation,tourismetc.severelythreateninlandwater Thusthepresentdatamustbere-evaluated, resourcesandaquaticbiota.Springsnails(Hydrobiidae particularlyinbrackishwaterspecies.Accordingto s.l.)maybethemostaffectedgroupastheyarequite FalniowskiandSzarowska(2002),separationbetween intoleranttophysicalchangesintheenvironment,andin Hydrobiaacuta,H.ulvae and H.ventrosa isimpossible suchcasesbecomeextinctastheirdistributiongenerally withoutastudyofgenitalanatomyorpigmentation.Itis restrictedtoafewsprings.Forthisreason,faunisticand evidentthatmostidentificationshavebeenbasedsolely conservationstudiesonaquaticmolluscsareneededona ontheconchologicalfeatures.Therefore,theidentityof widebasis.

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