154 lines
16 KiB
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154 lines
16 KiB
XML
<document id="09966531BF0A284B941C2ACCC60A4B7D" ID-CLB-Dataset="31721" ID-DOI="http://dx.doi.org/10.3897/zookeys.712.13066" ID-GBIF-Dataset="ada2f371-3d81-474d-a71f-1e31d7ab4bc3" ID-PMC="PMC5674202" ID-Pensoft-Pub="1313-2970-712-1" ID-PubMed="29134034" ID-ZooBank="4B57033815494C6E9009F75ED683D946" ModsDocAuthor="" ModsDocDate="2017" ModsDocID="1313-2970-712-1" ModsDocOrigin="ZooKeys 712" ModsDocTitle="At home at least: the taxonomic position of some north African Xerocrassa species (Pulmonata, Geomitridae)" checkinTime="1509030619456" checkinUser="pensoft" docAuthor="Ezzine, Issaad Kawther, Pfarrer, Beat, Dimassi, Najet, Said, Khaled & Neubert, Eike" docDate="2017" docId="C80B8C74CB0B51CEBBF8610F9D722775" docLanguage="en" docName="ZooKeys 712: 1-27" docOrigin="ZooKeys 712" docSource="http://dx.doi.org/10.3897/zookeys.712.13066" docTitle="Xerocrassa latasteopsis Letourneux & Bourguignat 1887" docType="treatment" docVersion="7" lastPageNumber="6" masterDocId="5426FF9D956DA822FF84FFB4FFBBFFA0" masterDocTitle="At home at least: the taxonomic position of some north African Xerocrassa species (Pulmonata, Geomitridae)" masterLastPageNumber="27" masterPageNumber="1" pageNumber="4" updateTime="1732752650669" updateUser="ExternalLinkService">
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<mods:title id="C3D4B2C22525A5FAFCD5FEB938F34571">At home at least: the taxonomic position of some north African Xerocrassa species (Pulmonata, Geomitridae)</mods:title>
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<mods:namePart id="ADB1A0C63AB8BF7972E1DD62B02F1547">Ezzine, Issaad Kawther</mods:namePart>
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<mods:roleTerm id="83536C3721A956689BCA1CDC29EA3078">Author</mods:roleTerm>
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<mods:namePart id="99D76F10BDF1D5E993A9E162EBF5518E">Pfarrer, Beat</mods:namePart>
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</mods:name>
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<mods:namePart id="1C715E8F19317D60C6658AAD419B688D">Dimassi, Najet</mods:namePart>
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<mods:namePart id="6820E1DB9989135CF3DE199B8104B9BF">Said, Khaled</mods:namePart>
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<mods:name id="F55168B23718B0A4D67639F778E73439" type="personal">
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<mods:namePart id="8C0667FE39AAA0123C482713F012E646">Neubert, Eike</mods:namePart>
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<mods:typeOfResource id="2E5C5A96E7DCCB1CE269D736F2EE6AC1">text</mods:typeOfResource>
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<mods:title id="22C365154DA61FAD3A49C08F4ADFA0E5">ZooKeys</mods:title>
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<mods:part id="1F06FEC10E0FF060F20BFF8FAEBD24A7">
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<mods:date id="D934048787C4E886FFEDAA4FEDDB383B">2017</mods:date>
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<mods:detail id="2463D636E09E9E19992164D20E178C78" type="volume">
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<mods:number id="2EFECAC97EDF4D4E292E37191BD0A010">712</mods:number>
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<mods:start id="DF188EDC7ACF231E7469AF6274ECCB53">1</mods:start>
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<mods:end id="9382B5E45C40F789820BC02572295A3E">27</mods:end>
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<mods:url id="1BF9C4E7FCE83894800E01525D5D7310">http://dx.doi.org/10.3897/zookeys.712.13066</mods:url>
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<mods:classification id="89D267180691F2235D9AC59535B83FE8">journal article</mods:classification>
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<mods:identifier id="F8CC559CDA745E8B8968855F2F0379D3" type="DOI">http://dx.doi.org/10.3897/zookeys.712.13066</mods:identifier>
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<mods:identifier id="5415A2470A9A295A3F7837E58B7B4C35" type="Pensoft-Pub">1313-2970-712-1</mods:identifier>
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<mods:identifier id="670F60AFAEE0DECCA3A038A271B344BF" type="ZooBank">4B57033815494C6E9009F75ED683D946</mods:identifier>
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<treatment id="C80B8C74CB0B51CEBBF8610F9D722775" ID-GBIF-Taxon="135476459" LSID="urn:lsid:plazi:treatment:C80B8C74CB0B51CEBBF8610F9D722775" httpUri="http://treatment.plazi.org/id/C80B8C74CB0B51CEBBF8610F9D722775" lastPageId="5" lastPageNumber="6" pageId="3" pageNumber="4" scope_family="Geomitridae">
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<subSubSection id="2ECEE6F2CE81429B7D97B251E20A8806" pageId="3" pageNumber="4" type="nomenclature">
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<paragraph id="93C16AAE6C954A30F21319C226C96C3C" pageId="3" pageNumber="4">
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<taxonomicName id="1669981AA7E663388BB7CECCCA3E950A" authority="Letourneux & Bourguignat, 1887" authorityName="Letourneux & Bourguignat" authorityYear="1887" family="Geomitridae" genus="Xerocrassa" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Xerocrassa latasteopsis" order="Pulmonata" pageId="3" pageNumber="4" rank="species" species="latasteopsis">Xerocrassa latasteopsis (Letourneux & Bourguignat, 1887)</taxonomicName>
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Figs 2, 3, 5-6
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</paragraph>
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</subSubSection>
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<subSubSection id="8F147394F9C1FA560C3E09B6D19240C8" pageId="3" pageNumber="4" type="reference_group">
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<paragraph id="8A644BD75FFD7DE7A111C5E23B46C050" pageId="3" pageNumber="4">
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1887
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<taxonomicName id="C3C7ECD8E1D855AC73FE33E669875790" family="Geomitridae" genus="Helix" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Helix latasteopsis" order="Pulmonata" pageId="3" pageNumber="4" rank="species" species="latasteopsis">Helix latasteopsis</taxonomicName>
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Letourneux & Bourguignat, Prodrome de la malacologie terrestre et fluviatile de la Tunisie: 63 [Foum-Hallouf et
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<normalizedToken id="2A46A7EAE8314C524C7E17D48F0E33C5" originalValue="à">a</normalizedToken>
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Ras-ed-Djerf, vis-a-vis de Djerba].
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</paragraph>
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</subSubSection>
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<subSubSection id="AE103DC1B763E716BF485ACE4FFDC571" pageId="3" pageNumber="4" type="type specimens">
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<paragraph id="0534213108D97A9BA9F43AE6639FCADE" pageId="3" pageNumber="4">Type specimens.</paragraph>
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<paragraph id="DFD488DC7248B534E55EA86BE6607647" pageId="3" pageNumber="4">
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<taxonomicName id="C1377E45BE8555975C69C68FB9553E22" class="Polychaeta" family="Phyllodocidae" genus="Eulalia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Eulalia latasteopsis" order="Phyllodocida" pageId="3" pageNumber="4" phylum="Annelida" rank="species" species="latasteopsis">latasteopsis</taxonomicName>
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: Foum Hallouf MHNG-MOLL 115131/1 here selected as lectotype [hic!]. paralectotype: Ras-ed-Djerf MHNG-MOLL 115130/1.
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</paragraph>
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</subSubSection>
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<subSubSection id="5E7DB3E2882F01ECFF0CAF807C7EB53F" pageId="3" pageNumber="4" type="additional specimens">
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<paragraph id="5C2CE29D7C7FB177E7E881B55121B54C" pageId="3" pageNumber="4">Additional specimens.</paragraph>
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<paragraph id="0CFB2182A8368972C26B6C8AAFA18BE8" pageId="3" pageNumber="4">
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Oasis NE of Tozeur, 10.12.2015, leg. Ezzine,
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<geoCoordinate id="CF87068ACB8D846B41D889B06DD30278" direction="north" orientation="latitude" precision="5" value="33.9672">33.9672°N</geoCoordinate>
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<geoCoordinate id="9E3F1DB6087F2EAFB7EE4E5B9451C519" direction="east" orientation="longitude" precision="5" value="8.0421">8.0421°E</geoCoordinate>
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, NMBE 541953/1; Bou Hedma, 3.3.2006, leg. I. Abbes, NMBE 551321/X; Oued Medzesar MHNG-MOLL 115122/1; Ksar Sidi Aich 1, Gafsa, 29.4.2014, leg. Ezzine, NMBE 549849/1, 549848/1, 549847/1; Ksar Sidi Aich 2, Gafsa,
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<geoCoordinate id="91A082CFDEA06CA22B173170A853E23A" direction="north" orientation="latitude" precision="5" value="34.7061">34.7061°N</geoCoordinate>
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<geoCoordinate id="332B47049449F4B216057A21ED8B9B92" direction="east" orientation="longitude" precision="5" value="8.7972">8.7972°E</geoCoordinate>
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, 9.12.2015, leg. Ezzine, NMBE 549906/1, 549846/1, 547177/1, 541954/1; (Ksar Sidi Aich 1 is located ca. 200 m east of Ksar Sidi Aich 2); Henchir el Zitouna, Medenine, 10.2016, leg. Ezzine, NMBE 551301/9, 551293/6, 551291/1, 551290/1, 551289/1, 551288/1, 549854/1. - Additional specimens in coll. Ezzine/Monastir.
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</paragraph>
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</subSubSection>
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<subSubSection id="559764AA3C5ADB5A3D56712421855329" pageId="3" pageNumber="4" type="diagnosis">
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<paragraph id="38AF24F6B3B2C946458D46B6EADC894F" pageId="3" pageNumber="4">Diagnosis.</paragraph>
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<paragraph id="966E07898CEE5A6C44F7CA7672C1E703" pageId="3" pageNumber="4">Shell creamy white throughout, upper teleoconch whorls with fine axial riblets, last whorl almost smooth, umbilicus open, narrow.</paragraph>
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</subSubSection>
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<subSubSection id="7B0D012A4EA1F723CA2516F13C8607E9" pageId="3" pageNumber="4" type="description">
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<paragraph id="F3B7FFE163A3FB9518F70760980CB70F" pageId="3" pageNumber="4">Description.</paragraph>
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<paragraph id="2345E6963A73830539F8006E8B61EFFB" pageId="3" pageNumber="4">
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Shell medium sized, depressed, creamy white with irregularly dispersed opaque spots, shell walls thick; protoconch very small, brownish to blackish, smooth, consisting of
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<normalizedToken id="2E7524F77ECA6E224BEE2AC7973746A8" originalValue="1½">11/2</normalizedToken>
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whorls; teleoconch consisting of up to 6 whorls, upper teleoconch whorls with fine axial riblets and a regular pattern of brownish axial flames fading out as subsutural dots; riblets becoming obsolete on the median teleoconch whorls, last whorl almost smooth with irregular rugosities; suture deep; aperture sub-spherical, slightly descending; umbilicus open, narrow, conical.
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</paragraph>
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<paragraph id="4573DE37464FCDE3D2ABAD09A0928113" pageId="3" pageNumber="4">Genital anatomy. The genital anatomy of two adults specimens collected in Henchir el Zitouna and Sidi Aich 2 are illustrated.</paragraph>
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<paragraph id="2587897BB7009FC0EBCBDC520CB24C4C" pageId="3" pageNumber="4">Male part. penis club-shaped, thick, with a solid ring-like structure formed by the basis of the penial papilla; epiphallus longer than penis; penial retractor muscle inserting somewhat distal to the boundary between penis and epiphallus, muscle fascia weak; flagellum very short; penial papilla cone shaped, simple, with 2-3 small folds with a central pore at its tip.</paragraph>
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<paragraph id="CD6CE835FC5D32080A83ED95E513633C" pageId="3" pageNumber="4">Genital atrium. Expanded sac-like structure, with a strongly developed stimulator tissue. The stimulator consists of a thick and tightly upfolded part, connected to the internal tissue cone. The internal tissue cone is fleshy, solid, formed like a stick, and not fully separated from the stimulator.</paragraph>
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<paragraph id="7241F73D6A7B989C4194775D57B67B74" pageId="3" pageNumber="4">Female part. Dart sacs in opposite position, very small; glandulae mucosae simple, tubes randomly attached on the vaginal wall between dart sacs and pedunculus; vagina long, pedunculus not strongly developed.</paragraph>
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<paragraph id="E35D59E79399B5371F74169B1BEB7835" pageId="3" pageNumber="4">Measurements. Lectotype: H = 14.5 mm; D = 18.34 mm; PH = 9.93 mm; PD = 9.4 mm; W = 6.</paragraph>
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</subSubSection>
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<subSubSection id="00C79A1B2CBD16AD9E6092DF902A0677" lastPageId="5" lastPageNumber="6" pageId="3" pageNumber="4" type="distribution">
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<paragraph id="FE1ECBF091FE60FC7B60C4A63A1A8843" pageId="3" pageNumber="4">Distribution</paragraph>
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<paragraph id="76FDA1EB3F911B319941EAB99DD5CC60" lastPageId="5" lastPageNumber="6" pageId="3" pageNumber="4">
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(Fig. 2). This species is known from southeastern Tunisia in the areas north and south of the Chott el Jerid. It also occurs in the Bou Hedma National Park
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<pageBreakToken id="99CC3EC7D479001C54835BA8A1524F5C" pageId="4" pageNumber="5" start="start">in</pageBreakToken>
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central Tunisia, where it obviously comes close to
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<taxonomicName id="EE0551D473FB2EE5ED38C04FF11402DA" lsidName="H. latastei" pageId="4" pageNumber="5" rank="species" species="latastei">H. latastei</taxonomicName>
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. Our records from Bou Hedma National Park originate from two different sources, and the exact collecting sites are not known. A sympatric occurrence cannot be excluded. The type locality Foum Hallouf as given by Letourneux and Bourguignat is also imprecise, this term is used for a larger area east of the small hill chain between Dkhilet Toujane and Beharya;
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<pageBreakToken id="CEC0F6353FF2599348976F4A204C6CAA" pageId="5" pageNumber="6" start="start">the</pageBreakToken>
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locality Henchir el Zitouna is situated in the centre of this area, so these specimens can be considered as topotypes (Fig. 2).
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</paragraph>
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</subSubSection>
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<subSubSection id="EA2F2C77AC86DB7B0A886AC54AE71FE7" pageId="5" pageNumber="6" type="remarks">
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<paragraph id="A81CADE620B1412070759B2BEF3A9A38" pageId="5" pageNumber="6">Remarks.</paragraph>
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<paragraph id="61B57F98646EBB8BC2BF86DB7BF8CE5A" pageId="5" pageNumber="6">
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Besides the genetic difference observed (see Figs 8, 9), there are also slight differences found in the morphology of both, shells, and genital organs. The shell of
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<taxonomicName id="59E2E6092D9EB3241D38E278EC9CCCB5" lsidName="X. latasteopsis" pageId="5" pageNumber="6" rank="species" species="latasteopsis">X. latasteopsis</taxonomicName>
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is always white (with up to five brown spiral bands in
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<taxonomicName id="D4C32C91F3EBFCFB4C7B3F11C059B79C" lsidName="X. latastei" pageId="5" pageNumber="6" rank="species" species="latastei">X. latastei</taxonomicName>
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), the riblets are fine (much stronger in
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<taxonomicName id="0EA09A3168518A069C3CD067A94BAB51" lsidName="X. latastei" pageId="5" pageNumber="6" rank="species" species="latastei">X. latastei</taxonomicName>
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), the lower whorls are smooth and a bit wrinkled (ribbed throughout in
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<taxonomicName id="E7404F836CF177F62C535C4C3E62FDCA" lsidName="X. latastei" pageId="5" pageNumber="6" rank="species" species="latastei">X. latastei</taxonomicName>
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), and the umbilicus is narrow (somewhat larger in
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<taxonomicName id="739DF55C5AFEBE1B75EB53275136DFED" lsidName="X. latastei" pageId="5" pageNumber="6" rank="species" species="latastei">X. latastei</taxonomicName>
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). The penial papilla is short conical in
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<taxonomicName id="0470EDF4FF2EED055CC22E8132000277" lsidName="X. latasteopsis" pageId="5" pageNumber="6" rank="species" species="latasteopsis">X. latasteopsis</taxonomicName>
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(elongate in
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<taxonomicName id="E115C489BBB51FE3AB33E883B7AD6F0E" lsidName="X. latastei" pageId="5" pageNumber="6" rank="species" species="latastei">X. latastei</taxonomicName>
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), and the flagellum is short if compared to the epiphallus (longer in
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<taxonomicName id="ADBC2A7936DC5E88D019BB6C52F9B494" lsidName="X. latastei" pageId="5" pageNumber="6" rank="species" species="latastei">X. latastei</taxonomicName>
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).
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</paragraph>
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<paragraph id="B3F410CA3D28EF36F58997F8B3A9C59C" pageId="5" pageNumber="6">
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When describing their
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<taxonomicName id="21A63C744C1D12AA6E9DA338B0AA9D99" class="Gastropoda" family="Helicidae" genus="Helix" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Helix latastei" order="Stylommatophora" pageId="5" pageNumber="6" phylum="Mollusca" rank="species" species="latastei">Helix latastei</taxonomicName>
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, Letourneux and Bourguignat mentioned several localities for this species from Algeria. However, it turned out that these localities had been mentioned earlier by Bourguignat in his description of
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<taxonomicName id="A88397BF97499401A22E3219920E80B3" class="Gastropoda" family="Helicidae" genus="Helix" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Helix lacertarum" order="Stylommatophora" pageId="5" pageNumber="6" phylum="Mollusca" rank="species" species="lacertarum">Helix lacertarum</taxonomicName>
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in 1863. Obviously, Letourneux and Bourguignat in 1887 considered both nominal species to be conspecific without clearly stating this opinion. After examination of all specimens in the collection of Bourguignat we come to the conclusion that, for the time being, the Algerian shells have to be considered as a separate species.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |