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<document id="24F4B79E5B8854AAA23ABDF79505217F" ID-CLB-Dataset="303324" ID-DOI="10.1093/zoolinnean/zlae080" ID-GBIF-Dataset="86c88b64-7a1e-4cc0-bbd7-70c6df8440bc" ID-ISSN="0024-4082" ID-Zenodo-Dep="13769854" ID-ZooBank="28E25DD-AB1D-4DAD-888F-9534690EBD4C" IM.bibliography_approvedBy="valdenar" IM.illustrations_approvedBy="valdenar" IM.materialsCitations_approvedBy="valdenar" IM.metadata_approvedBy="valdenar" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="valdenar" checkinTime="1726224901327" checkinUser="plazi" docAuthor="Dols-Serrate, Daniel, Stocchino, Giacinta Angela, Nuin-Villabona, Paula, Sluys, Ronald &amp; Riutort, Marta" docDate="2024" docId="2E7B87D44D62A513FED9F8F4FEC972A1" docLanguage="en" docName="zlae080.pdf" docOrigin="Zoological Journal of the Linnean Society 201 (4)" docSource="http://dx.doi.org/10.1093/zoolinnean/zlae080" docStyle="DocumentStyle:4F230B9370E98E256D973D6DFB57F36C.6:ZoolJLinnSoc.2023-.journal_article" docStyleId="4F230B9370E98E256D973D6DFB57F36C" docStyleName="ZoolJLinnSoc.2023-.journal_article" docStyleVersion="6" docTitle="Dugesia Girard 1850" docType="treatment" docVersion="3" lastPageNumber="11" masterDocId="D242FFAC4D65A518FFFBFF87FF9C7246" masterDocTitle="New insights into the evolution and biogeography of freshwater planarians on islands in the Tyrrhenian Sea, Western Mediterranean Basin, with the integrative description of a new endemic species from Corsica (Platyhelminthes: Tricladida: Dugesia)" masterLastPageNumber="16" masterPageNumber="1" pageNumber="8" updateTime="1726516538537" updateUser="ExternalLinkService">
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<mods:title id="7C36F5B8F1A960D521AC0E8E7668A39B">New insights into the evolution and biogeography of freshwater planarians on islands in the Tyrrhenian Sea, Western Mediterranean Basin, with the integrative description of a new endemic species from Corsica (Platyhelminthes: Tricladida: Dugesia)</mods:title>
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<mods:namePart id="A332ACE34F88A9248A2D15292D0CED78">Dols-Serrate, Daniel</mods:namePart>
<mods:affiliation id="15F7B2D2D505C078397CF32A884FA6B5">Departament de Genètica, Microbiologia i Estadística, Facultat de Biologia, Universitat de Barcelona, Avinguda Diagonal 643, 08028, Barcelona, Catalonia, Spain &amp; Institut de Recerca de la Biodiversitat (IRBio), Universitat de Barcelona, Avinguda Diagonal 643, 08028, Barcelona, Catalonia, Spain</mods:affiliation>
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<mods:namePart id="D450FA85CF21E8EB00387895126BCE21">Stocchino, Giacinta Angela</mods:namePart>
<mods:affiliation id="0B18DEC941A6D45FC09FE98DAE6B363F">Dipartimento di Medicina Veterinaria, Via Vienna 2, University of Sassari, Sassari I- 07100, Italy</mods:affiliation>
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<mods:affiliation id="E2EF2541FC68F47E682B50691C2D18AB">Departament de Genètica, Microbiologia i Estadística, Facultat de Biologia, Universitat de Barcelona, Avinguda Diagonal 643, 08028, Barcelona, Catalonia, Spain</mods:affiliation>
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<mods:namePart id="32903A6408D330D03AA768218117E1C1">Sluys, Ronald</mods:namePart>
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<mods:namePart id="AA41ABEF62DA9DE320DBE395A63E75CC">Riutort, Marta</mods:namePart>
<mods:affiliation id="721E73E0F7582E41277BB632CBD9465B">Departament de Genètica, Microbiologia i Estadística, Facultat de Biologia, Universitat de Barcelona, Avinguda Diagonal 643, 08028, Barcelona, Catalonia, Spain &amp; Institut de Recerca de la Biodiversitat (IRBio), Universitat de Barcelona, Avinguda Diagonal 643, 08028, Barcelona, Catalonia, Spain</mods:affiliation>
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<paragraph id="A66D36C24D62A51FFED9F8F4FDD675CB" blockId="7.[290,586,1907,1933]" box="[290,586,1907,1933]" pageId="7" pageNumber="8">
<heading id="FD2581AE4D62A51FFED9F8F4FDD675CB" bold="true" box="[290,586,1907,1933]" centered="true" fontSize="11" level="2" pageId="7" pageNumber="8" reason="3">
<emphasis id="94A6EAD04D62A51FFED9F8F4FDD675CB" bold="true" box="[290,586,1907,1933]" pageId="7" pageNumber="8">
Genus
<taxonomicName id="61D24D414D62A51FFE97F8F4FDD675CB" ID-CoL="7NXPM" authority="Girard, 1850" authorityName="Girard" authorityYear="1850" box="[364,586,1907,1933]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="genus">
<emphasis id="94A6EAD04D62A51FFE97F8F4FE2175CB" bold="true" box="[364,445,1907,1933]" italics="true" pageId="7" pageNumber="8">Dugesia</emphasis>
Girard, 1850
</taxonomicName>
</emphasis>
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<paragraph id="A66D36C24D62A51FFF66F81AFD887591" blockId="7.[157,719,1949,2007]" pageId="7" pageNumber="8">
<emphasis id="94A6EAD04D62A51FFF66F81AFD887591" bold="true" pageId="7" pageNumber="8">
<taxonomicName id="61D24D414D62A51FFF66F81AFE2E7590" authority="Stocchino, Dols-Serrate &amp; Riutort" authorityName="Stocchino, Dols-Serrate &amp; Riutort" authorityYear="2024" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="xeropotamica" status="sp. nov.">
<emphasis id="94A6EAD04D62A51FFF66F81AFE0B75F1" bold="true" box="[157,407,1949,1975]" italics="true" pageId="7" pageNumber="8">Dugesia xeropotamica</emphasis>
Stocchino, Dols-Serrate &amp; Riutort
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,
<taxonomicNameLabel id="8F9557AB4D62A51FFE47F83AFD887591" box="[444,532,1981,2007]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
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</paragraph>
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<subSubSection id="EEC865494D62A51FFCD1FF17FCF67384" pageId="7" pageNumber="8" type="materials_examined">
<paragraph id="A66D36C24D62A51FFCD1FF17FCF67384" blockId="7.[810,1459,144,450]" pageId="7" pageNumber="8">
<emphasis id="94A6EAD04D62A51FFCD1FF17FC6072EE" box="[810,1020,144,168]" italics="true" pageId="7" pageNumber="8">Material examined:</emphasis>
<materialsCitation id="16BA3C9F4D62A51FFBEFFF17FCFA7384" collectingDate="2019-11-29" collectionCode="RMNH, CGAS" country="France" county="Montegrosso" latitude="42.538166" location="GenBank" longLatPrecision="1" longitude="8.8440275" municipality="Seccu River" pageId="7" pageNumber="8" specimenCode="CA1291-08, CA1291-09, CA1291-11, CA1291-13, MG1292- 08, MG1292-09, MG1292-13" specimenCount="2" typeStatus="holotype">
Individuals
<specimenCode id="F6749EB94D62A51FFB65FF17FA8472EE" box="[1182,1304,144,168]" collectionCode="CA" country="USA" name="Chicago Academy of Sciences" pageId="7" pageNumber="8" type="Museum">CA1291-08</specimenCode>
,
<specimenCode id="F6749EB94D62A51FFACFFF17FA3372EE" box="[1332,1455,144,168]" collectionCode="CA" country="USA" name="Chicago Academy of Sciences" pageId="7" pageNumber="8" type="Museum">CA1291-09</specimenCode>
,
<specimenCode id="F6749EB94D62A51FFCD1FF28FC397281" box="[810,933,175,199]" collectionCode="CA" country="USA" name="Chicago Academy of Sciences" pageId="7" pageNumber="8" type="Museum">CA1291-11</specimenCode>
, and
<specimenCode id="F6749EB94D62A51FFC18FF28FBC17281" box="[995,1117,175,199]" collectionCode="CA" country="USA" name="Chicago Academy of Sciences" pageId="7" pageNumber="8" type="Museum">CA1291-13</specimenCode>
from locality 19 and
<specimenCode id="F6749EB94D62A51FFAB6FF28FCD972A1" collectionCode="MG" country="China" name="Museum of Zoology" pageId="7" pageNumber="8">MG1292- 08</specimenCode>
,
<specimenCode id="F6749EB94D62A51FFCA8FF48FC4972A1" box="[851,981,207,231]" collectionCode="MG" country="China" name="Museum of Zoology" pageId="7" pageNumber="8">MG1292-09</specimenCode>
, and
<specimenCode id="F6749EB94D62A51FFBE9FF48FB0E72A1" box="[1042,1170,207,231]" collectionCode="MG" country="China" name="Museum of Zoology" pageId="7" pageNumber="8">MG1292-13</specimenCode>
from locality 20 were analysed molecularly; corresponding
<location id="A30D60194D62A51FFB72FF69FB767340" LSID="urn:lsid:plazi:treatment:2E7B87D44D62A513FED9F8F4FEC972A1:A30D60194D62A51FFB72FF69FB767340" box="[1161,1258,238,262]" country="France" county="Montegrosso" latitude="42.538166" longLatPrecision="1" longitude="8.8440275" municipality="Seccu River" name="GenBank" pageId="7" pageNumber="8">GenBank</location>
accession numbers are detailed in
<location id="A30D60194D62A51FFC2FFE8AFB4E7363" LSID="urn:lsid:plazi:treatment:2E7B87D44D62A513FED9F8F4FEC972A1:A30D60194D62A51FFC2FFE8AFB4E7363" box="[980,1234,269,293]" country="France" county="Montegrosso" latitude="42.538166" longLatPrecision="1" longitude="8.8440275" municipality="Seccu River" name="Supporting Information" pageId="7" pageNumber="8">Supporting Information</location>
,
<tableCitation id="EB5003794D62A51FFB19FE8AFADD7363" box="[1250,1345,269,293]" captionStart="Table 1" captionStartId="2.[130,185,1469,1493]" captionTargetPageId="2" captionText="Table 1.Final species identification, geographical locations and their acronyms, population number, geographical coordinates, and number of individuals (N) examined for each newly studied population from localities on Corsica, Molara, and Montecristo." httpUri="http://table.plazi.org/id/F2AD664A4D67A51AFF79FA3AFB3077B7" pageId="7" pageNumber="8" tableUuid="F2AD664A4D67A51AFF79FA3AFB3077B7">Table S1</tableCitation>
.
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<typeStatus id="796988604D62A51FFAA9FE8AFA317363" box="[1362,1453,269,293]" pageId="7" pageNumber="8" type="holotype">Holotype</typeStatus>
:
</emphasis>
<collectionCode id="C0C3AE074D62A51FFCD1FEABFCE77302" box="[810,891,300,324]" country="Netherlands" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34992" lsid="urn:lsid:biocol.org:col:34992" name="National Museum of Natural History, Naturalis" pageId="7" pageNumber="8" type="Museum">RMNH</collectionCode>
.VER.21534.1,
<collectingMunicipality id="4609ACB84D62A51FFBDDFEAAFB2C7303" box="[1062,1200,301,325]" pageId="7" pageNumber="8">Seccu River</collectingMunicipality>
, locality
<collectingCounty id="4F0C4E4E4D62A51FFAD7FEAAFA2F7303" box="[1324,1459,301,325]" pageId="7" pageNumber="8">Montegrosso</collectingCounty>
(
<geoCoordinate id="C3E650054D62A51FFCC9FECBFC5A7325" box="[818,966,330,356]" degrees="42" direction="north" minutes="32" orientation="latitude" pageId="7" pageNumber="8" precision="1" seconds="17.4" value="42.538166">
42°32
<emphasis id="94A6EAD04D62A51FFC8AFECDFCEB7325" box="[881,887,330,355]" italics="true" pageId="7" pageNumber="8">ʹ</emphasis>
17.4″ N
</geoCoordinate>
,
<geoCoordinate id="C3E650054D62A51FFC23FECBFBC57322" box="[984,1113,330,356]" degrees="8" direction="east" minutes="50" orientation="longitude" pageId="7" pageNumber="8" precision="1" seconds="38.5" value="8.8440275">
8°50
<emphasis id="94A6EAD04D62A51FFBFCFECDFB917325" box="[1031,1037,330,355]" italics="true" pageId="7" pageNumber="8">ʹ</emphasis>
38.5″ E
</geoCoordinate>
),
<collectingCountry id="DEC576524D62A51FFB8FFECBFB587322" box="[1140,1220,332,356]" name="France" pageId="7" pageNumber="8">Corsica</collectingCountry>
,
<date id="D26C10024D62A51FFB2DFECBFA337322" box="[1238,1455,332,356]" pageId="7" pageNumber="8" value="2019-11-29">
<collectingDate id="C228E9EA4D62A51FFB2DFECBFA337322" box="[1238,1455,332,356]" pageId="7" pageNumber="8" value="2019-11-29">29 November 2019</collectingDate>
</date>
, coll.
<collectorName id="0B2753144D62A51FFCA1FEEBFC6573C5" box="[858,1017,363,387]" pageId="7" pageNumber="8">D. Dols-Serrate</collectorName>
, L. Leria, one set of sagittal sections on nine slides.
<emphasis id="94A6EAD04D62A51FFC95FE0CFC5073E4" box="[878,972,395,418]" italics="true" pageId="7" pageNumber="8">Paratype:</emphasis>
<collectionCode id="C0C3AE074D62A51FFC29FE0CFB8A73E5" box="[978,1046,395,419]" pageId="7" pageNumber="8">CGAS</collectionCode>
<collectorName id="0B2753144D62A51FFBE7FE0CFBA073E5" box="[1052,1084,395,419]" pageId="7" pageNumber="8">Pla</collectorName>
29.1, ibid., sagittal sections on seven slides
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="EEC865494D62A51FFCD1FE63FAE07656" pageId="7" pageNumber="8" type="diagnosis">
<paragraph id="A66D36C24D62A51FFCD1FE63FC2F70F1" blockId="7.[809,1461,483,1040]" pageId="7" pageNumber="8">
<emphasis id="94A6EAD04D62A51FFCD1FE63FC0C73BD" box="[810,912,484,507]" italics="true" pageId="7" pageNumber="8">Diagnosis:</emphasis>
Molecularly,
<taxonomicName id="61D24D414D62A51FFBD9FE63FB5A73BD" authorityName="Stocchino, Dols-Serrate &amp; Riutort" authorityYear="2024" box="[1058,1222,484,507]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="xeropotamica">
<emphasis id="94A6EAD04D62A51FFBD9FE63FB5A73BD" box="[1058,1222,484,507]" italics="true" pageId="7" pageNumber="8">D. xeropotamica</emphasis>
</taxonomicName>
comprises individuals that are identified as a single evolutionary unit alongside individuals from localities 19 and 20 of the present work when using a multispecies coalescent-based method, such as BPP, with the loci and settings detailed in the Materials and Methods section of the present paper, or equivalent molecular species delimitation analyses.
</paragraph>
<paragraph id="A66D36C24D62A51FFCBEFD38FAE07656" blockId="7.[809,1461,483,1040]" pageId="7" pageNumber="8">
Morphologically,
<taxonomicName id="61D24D414D62A51FFC02FD38FB047090" authorityName="Stocchino, Dols-Serrate &amp; Riutort" authorityYear="2024" box="[1017,1176,703,726]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="xeropotamica">
<emphasis id="94A6EAD04D62A51FFC02FD38FB047090" box="[1017,1176,703,726]" italics="true" pageId="7" pageNumber="8">D. xeropotamica</emphasis>
</taxonomicName>
is characterized by the presence of the following features: short, more or less barrel-shaped, and asymmetrical penis papilla; dorsal lip of the penis papilla bigger than the ventral one; ventrally displaced ejaculatory duct, opening terminally at tip of the penis papilla; short ejaculatory duct; large, conical diaphragm; symmetrical openings of the vasa deferentia into the posterior section of the seminal vesicle, i.e., close to the diaphragm; oviducts opening symmetrically into the vaginal portion of the bursal canal; ectal reinforcement musculature on bursal canal extending from vaginal region almost up to the copulatory bursa; numerous extrabulbar penial glands.
</paragraph>
</subSubSection>
<subSubSection id="EEC865494D62A51FFCD1FBB6FB9F76A3" pageId="7" pageNumber="8" type="etymology">
<paragraph id="A66D36C24D62A51FFCD1FBB6FB9F76A3" blockId="7.[809,1460,1073,1254]" pageId="7" pageNumber="8">
<emphasis id="94A6EAD04D62A51FFCD1FBB6FC05760F" box="[810,921,1073,1097]" italics="true" pageId="7" pageNumber="8">Etymology:</emphasis>
The specific epithet is derived from the Greek words ‘ξεΡός’(xeros), meaning arid, and ‘ποταμός’(potamos), meaning river. The epithet alludes to the name of the
<typeStatus id="796988604D62A51FFB09FBF7FABC76CE" box="[1266,1312,1136,1160]" pageId="7" pageNumber="8">type</typeStatus>
locality Seccu River, whose Corsican name translates to Arid River. This river runs dry during the summer season, and its course disappears as it approaches the sea.
</paragraph>
</subSubSection>
<subSubSection id="EEC865494D62A51FFCD1FA80FB94779A" pageId="7" pageNumber="8" type="distribution">
<paragraph id="A66D36C24D62A51FFCD1FA80FBE977DB" blockId="7.[810,1460,1287,1437]" pageId="7" pageNumber="8">
<emphasis id="94A6EAD04D62A51FFCD1FA80FBB77759" box="[810,1067,1287,1311]" italics="true" pageId="7" pageNumber="8">Geographical distribution:</emphasis>
<materialsCitation id="16BA3C9F4D62A51FFBC1FA80FB967718" country="France" location="Seccu River" municipality="Haute-Corse" pageId="7" pageNumber="8" specimenCount="1">
This species is known only from the
<typeStatus id="796988604D62A51FFCD1FAA0FCC47779" box="[810,856,1319,1343]" pageId="7" pageNumber="8">type</typeStatus>
locality,
<location id="A30D60194D62A51FFC4DFAA0FBAD7779" LSID="urn:lsid:plazi:treatment:2E7B87D44D62A513FED9F8F4FEC972A1:A30D60194D62A51FFC4DFAA0FBAD7779" box="[950,1073,1319,1343]" country="France" municipality="Haute-Corse" name="Seccu River" pageId="7" pageNumber="8">Seccu River</location>
(Montegrosso, locality
<quantity id="612A9B274D62A51FFAD1FAA0FAFC7779" box="[1322,1376,1319,1343]" metricMagnitude="-1" metricUnit="m" metricValue="5.08" pageId="7" pageNumber="8" unit="in" value="20.0">20 in</quantity>
<figureCitation id="3EE92A474D62A51FFA93FAA0FA3E7779" box="[1384,1442,1319,1343]" captionStart="Figure 1" captionStartId="1.[113,178,1900,1924]" captionTargetBox="[114,1458,900,1786]" captionTargetId="graphics-491@1.[166,1405,910,1782]" captionTargetPageId="1" captionText="Figure 1. A, sampling sites and geographical distribution of several species of Dugesia on Corsica and Sardinia, including records detailed in the present paper.The rectangular inset marked with C on Sardinia corresponds to panel C. BD, rectangular insets show: Montecristo Island, in the Tuscany Archipelago (B); confluence of the Bunnari and Mascari rivers, near Sassari, Sardinia (C); and islet of Molara, Sardinia (D)." figureDoi="http://doi.org/10.5281/zenodo.13769856" httpUri="https://zenodo.org/record/13769856/files/figure.png" pageId="7" pageNumber="8">Fig. 1</figureCitation>
),
<collectingMunicipality id="4609ACB84D62A51FFCD1FAC1FC2C7718" box="[810,944,1350,1374]" pageId="7" pageNumber="8">Haute-Corse</collectingMunicipality>
,
<collectingCountry id="DEC576524D62A51FFC41FAC1FB967718" box="[954,1034,1350,1374]" name="France" pageId="7" pageNumber="8">Corsica</collectingCountry>
</materialsCitation>
,
<materialsCitation id="16BA3C9F4D62A51FFBEFFAC1FBED77DB" country="France" location="Figarella River" pageId="7" pageNumber="8" specimenCount="1">
and from a small stream running parallel to the
<location id="A30D60194D62A51FFC95FAE2FB9F773B" LSID="urn:lsid:plazi:treatment:2E7B87D44D62A513FED9F8F4FEC972A1:A30D60194D62A51FFC95FAE2FB9F773B" box="[878,1027,1381,1405]" country="France" name="Figarella River" pageId="7" pageNumber="8">Figarella River</location>
, known as Lioli Rivulet (Calvi, locality
<quantity id="612A9B274D62A51FFA61FAE2FCA377DB" metricMagnitude="-1" metricUnit="m" metricValue="4.826" pageId="7" pageNumber="8" unit="in" value="19.0">19 in</quantity>
<figureCitation id="3EE92A474D62A51FFCBFFA02FCE077DB" box="[836,892,1413,1437]" captionStart="Figure 1" captionStartId="1.[113,178,1900,1924]" captionTargetBox="[114,1458,900,1786]" captionTargetId="graphics-491@1.[166,1405,910,1782]" captionTargetPageId="1" captionText="Figure 1. A, sampling sites and geographical distribution of several species of Dugesia on Corsica and Sardinia, including records detailed in the present paper.The rectangular inset marked with C on Sardinia corresponds to panel C. BD, rectangular insets show: Montecristo Island, in the Tuscany Archipelago (B); confluence of the Bunnari and Mascari rivers, near Sassari, Sardinia (C); and islet of Molara, Sardinia (D)." figureDoi="http://doi.org/10.5281/zenodo.13769856" httpUri="https://zenodo.org/record/13769856/files/figure.png" pageId="7" pageNumber="8">Fig. 1</figureCitation>
), Haute-Corse,
<collectingCountry id="DEC576524D62A51FFBDBFA02FBED77DB" box="[1056,1137,1413,1437]" name="France" pageId="7" pageNumber="8">Corsica</collectingCountry>
</materialsCitation>
.
</paragraph>
<paragraph id="A66D36C24D62A51FFCD1FA43FB94779A" blockId="7.[810,1032,1476,1500]" box="[810,1032,1476,1500]" pageId="7" pageNumber="8">
<emphasis id="94A6EAD04D62A51FFCD1FA43FC28779A" box="[810,948,1476,1500]" italics="true" pageId="7" pageNumber="8">Reproduction:</emphasis>
Sexual.
</paragraph>
</subSubSection>
<subSubSection id="EEC865494D62A513FCD1F980FEC972A1" lastPageId="11" lastPageNumber="12" pageId="7" pageNumber="8" type="description">
<paragraph id="A66D36C24D62A51FFCD1F980FA3974DD" blockId="7.[809,1460,1542,2005]" pageId="7" pageNumber="8">
<emphasis id="94A6EAD04D62A51FFCD1F980FC027458" box="[810,926,1543,1566]" italics="true" pageId="7" pageNumber="8">Description:</emphasis>
Two eyes are present in the centre of the low triangular head. Dorsal surface brown with two longitudinal dark brown stripes on either side of the body (
<figureCitation id="3EE92A474D62A51FFB6EF9C2FB53741B" box="[1173,1231,1605,1629]" captionStart="Figure 4" captionStartId="8.[129,194,809,833]" captionTargetBox="[280,627,145,787]" captionTargetId="figure-922@8.[279,627,144,788]" captionTargetPageId="8" captionText="Figure 4. Dugesia xeropotamica. Photomicrograph of a preserved sexual specimen (anterior to the top) from Seccu River (Montegrosso, locality 20, Corsica). Abbreviations: ca, copulatory apparatus; ph, pharynx." figureDoi="http://doi.org/10.5281/zenodo.13769862" httpUri="https://zenodo.org/record/13769862/files/figure.png" pageId="7" pageNumber="8">Fig. 4</figureCitation>
); ventral surface pale. Unfortunately, it was not possible to take photographs of live animals in the field, and the head was removed for DNA extraction.
</paragraph>
<paragraph id="A66D36C24D62A51FFCBEF924FB11755F" blockId="7.[809,1460,1542,2005]" pageId="7" pageNumber="8">Inner and outer pharyngeal musculature bilayered, i.e., without an extra, third, outer longitudinal muscle layer in the inner sheath of muscles. The mouth opening is situated at the hind end of the pharyngeal pocket.</paragraph>
<paragraph id="A66D36C24D62A51FFCBEF8A7FA3D7531" blockId="7.[809,1460,1542,2005]" pageId="7" pageNumber="8">The infranucleated oviducts run ventrally in a caudal direction to the level of the genital pore, whereafter they open separately and symmetrically into the vaginal portion of the bursal canal.</paragraph>
<paragraph id="A66D36C24D62A51FFCBEF8F9FAF07593" blockId="7.[809,1460,1542,2005]" pageId="7" pageNumber="8">The numerous testes are situated dorsally on either side of the body and extend to almost the posterior end of the body. Vitellaria are located between the testes and the intestinal branches.</paragraph>
<caption id="F2AD664A4D6DA510FF7AFCAEFEFC71D3" ID-DOI="http://doi.org/10.5281/zenodo.13769862" ID-Zenodo-Dep="13769862" httpUri="https://zenodo.org/record/13769862/files/figure.png" pageId="8" pageNumber="9" startId="8.[129,194,809,833]" targetBox="[280,627,145,787]" targetPageId="8" targetType="figure">
<paragraph id="A66D36C24D6DA510FF7AFCAEFEFC71D3" blockId="8.[129,752,809,917]" pageId="8" pageNumber="9">
<emphasis id="94A6EAD04D6DA510FF7AFCAEFF447107" bold="true" box="[129,216,809,833]" pageId="8" pageNumber="9">Figure 4.</emphasis>
<taxonomicName id="61D24D414D6DA510FF26FCADFE387107" authorityName="Stocchino, Dols-Serrate &amp; Riutort" authorityYear="2024" box="[221,420,810,833]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="species" species="xeropotamica">
<emphasis id="94A6EAD04D6DA510FF26FCADFE387107" box="[221,420,810,833]" italics="true" pageId="8" pageNumber="9">Dugesia xeropotamica</emphasis>
</taxonomicName>
. Photomicrograph of a preserved sexual specimen (anterior to the top) from Seccu River (Montegrosso, locality 20, Corsica). Abbreviations: ca, copulatory apparatus; ph, pharynx.
</paragraph>
</caption>
<paragraph id="A66D36C24D6DA510FF67FC52FDD977A5" blockId="8.[127,780,981,1976]" pageId="8" pageNumber="9">
The large, more or less cuboidal copulatory bursa occupies the entire dorsoventral space; it is lined by a columnar, vacuolated, and glandular epithelium with basal nuclei and is surrounded by a layer of muscles. From the posterodorsal wall of the bursa, the bursal canal runs in a caudal direction to the left side of the copulatory apparatus and then, at the level of the gonopore, exhibits a knee-shaped bend, whereafter it opens through the roof of the genital atrium. The bursal canal is lined with cylindrical, infranucleated, ciliated cells and is surrounded by a thin subepithelial layer of longitudinal muscles, followed by a layer of circular muscle. Ectal reinforcement musculature is present in the form of a well-developed layer of longitudinal muscles running ectally to the circular layer around the bursal canal, extending from the opening of the bursal canal into the atrium to the copulatory bursa (
<figureCitation id="3EE92A474D6DA510FE9FFA0BFE2E77E2" box="[356,434,1420,1444]" captionStart="Figure 5" captionStartId="9.[115,180,1620,1644]" captionTargetBox="[116,1453,146,1588]" captionTargetId="figure-106@9.[114,1458,143,1592]" captionTargetPageId="9" captionText="Figure 5. Dugesia xeropotamica, holotype RMNH.VER.21534.1. A, sagittal reconstruction of the copulatory apparatus (anterior to the left). B, photomicrograph showing, in a sagittal histological section, the penis bulb with seminal vesicle, penis papilla with the pointed diaphragm, ejaculatory duct, and extrabulbar glands. Abbreviations: bc, bursal canal; cb, copulatory bursa; d, diaphragm; ed, ejaculatory duct; epg, extra bulbar penial glands; er, ectal reinforcement; g, gonopore; ga, genital atrium; lod, left oviduct; lvd, left vas deferens; pb, penis bulb; pp, penis papilla; rod, right oviduct; sg, shell glands; sv, seminal vesicle." figureDoi="http://doi.org/10.5281/zenodo.13769864" httpUri="https://zenodo.org/record/13769864/files/figure.png" pageId="8" pageNumber="9">Figs 5A</figureCitation>
,
<figureCitation id="3EE92A474D6DA510FE45FA0BFE4777E2" box="[446,475,1420,1444]" captionStart="Figure 6" captionStartId="10.[130,195,1650,1674]" captionTargetBox="[134,1473,148,1618]" captionTargetId="figure-117@10.[129,1473,144,1622]" captionTargetPageId="10" captionText="Figure 6. Dugesia xeropotamica. Photomicrographs of sagittal histological sections. A, paratype GAS Pla 29.1, showing the bursal canal with the ectal reinforcement.B, holotype RMNH.VER.21534.1, showing the extrabulbar penial glands and the penis bulb. Abbreviations: bc, bursal canal; cb, copulatory bursa; cm, circular muscle; e, epithelium; epg, extra bulbar penial glands; er, ectal reinforcement; lm, longitudinal muscle; pb, penis bulb." figureDoi="http://doi.org/10.5281/zenodo.13769866" httpUri="https://zenodo.org/record/13769866/files/figure.png" pageId="8" pageNumber="9">6A</figureCitation>
). Shell glands discharge their erythrophil secretion into the vaginal region of the bursal canal, at the level of the oviducal openings (
<figureCitation id="3EE92A474D6DA510FE07FA4DFDA877A4" box="[508,564,1482,1506]" captionStart="Figure 5" captionStartId="9.[115,180,1620,1644]" captionTargetBox="[116,1453,146,1588]" captionTargetId="figure-106@9.[114,1458,143,1592]" captionTargetPageId="9" captionText="Figure 5. Dugesia xeropotamica, holotype RMNH.VER.21534.1. A, sagittal reconstruction of the copulatory apparatus (anterior to the left). B, photomicrograph showing, in a sagittal histological section, the penis bulb with seminal vesicle, penis papilla with the pointed diaphragm, ejaculatory duct, and extrabulbar glands. Abbreviations: bc, bursal canal; cb, copulatory bursa; d, diaphragm; ed, ejaculatory duct; epg, extra bulbar penial glands; er, ectal reinforcement; g, gonopore; ga, genital atrium; lod, left oviduct; lvd, left vas deferens; pb, penis bulb; pp, penis papilla; rod, right oviduct; sg, shell glands; sv, seminal vesicle." figureDoi="http://doi.org/10.5281/zenodo.13769864" httpUri="https://zenodo.org/record/13769864/files/figure.png" pageId="8" pageNumber="9">Fig. 5</figureCitation>
).
</paragraph>
<paragraph id="A66D36C24D6DA510FF67FA6DFD3D74D9" blockId="8.[127,780,981,1976]" pageId="8" pageNumber="9">
The moderately developed penis bulb consists of intermingled longitudinal and circular muscle fibres. The penis bulb houses a spacious seminal vesicle, which is lined with a pleated epithelium. Numerous extrabulbar penial glands penetrate the anterior wall of the penis bulb to discharge their secretion into the proximal tract of the ejaculatory duct (
<figureCitation id="3EE92A474D6DA510FDD4F901FDF774D8" box="[559,619,1670,1694]" captionStart="Figure 5" captionStartId="9.[115,180,1620,1644]" captionTargetBox="[116,1453,146,1588]" captionTargetId="figure-106@9.[114,1458,143,1592]" captionTargetPageId="9" captionText="Figure 5. Dugesia xeropotamica, holotype RMNH.VER.21534.1. A, sagittal reconstruction of the copulatory apparatus (anterior to the left). B, photomicrograph showing, in a sagittal histological section, the penis bulb with seminal vesicle, penis papilla with the pointed diaphragm, ejaculatory duct, and extrabulbar glands. Abbreviations: bc, bursal canal; cb, copulatory bursa; d, diaphragm; ed, ejaculatory duct; epg, extra bulbar penial glands; er, ectal reinforcement; g, gonopore; ga, genital atrium; lod, left oviduct; lvd, left vas deferens; pb, penis bulb; pp, penis papilla; rod, right oviduct; sg, shell glands; sv, seminal vesicle." figureDoi="http://doi.org/10.5281/zenodo.13769864" httpUri="https://zenodo.org/record/13769864/files/figure.png" pageId="8" pageNumber="9">Figs 5</figureCitation>
,
<figureCitation id="3EE92A474D6DA510FD8EF901FD0D74D8" box="[629,657,1670,1694]" captionStart="Figure 6" captionStartId="10.[130,195,1650,1674]" captionTargetBox="[134,1473,148,1618]" captionTargetId="figure-117@10.[129,1473,144,1622]" captionTargetPageId="10" captionText="Figure 6. Dugesia xeropotamica. Photomicrographs of sagittal histological sections. A, paratype GAS Pla 29.1, showing the bursal canal with the ectal reinforcement.B, holotype RMNH.VER.21534.1, showing the extrabulbar penial glands and the penis bulb. Abbreviations: bc, bursal canal; cb, copulatory bursa; cm, circular muscle; e, epithelium; epg, extra bulbar penial glands; er, ectal reinforcement; lm, longitudinal muscle; pb, penis bulb." figureDoi="http://doi.org/10.5281/zenodo.13769866" httpUri="https://zenodo.org/record/13769866/files/figure.png" pageId="8" pageNumber="9">6B</figureCitation>
).
</paragraph>
<paragraph id="A66D36C24D6DA510FF67F921FE0C751C" blockId="8.[127,780,981,1976]" pageId="8" pageNumber="9">
At the level of the penis bulb, the vasa deferentia curve dorsomedially and then penetrate the latero-anterior wall of the bulb to open separately and symmetrically into the posterior portion of the seminal vesicle, close to the diaphragm. In specimen
<collectionCode id="C0C3AE074D6DA510FF3CF8A4FE84757D" box="[199,280,1827,1851]" country="Netherlands" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34992" lsid="urn:lsid:biocol.org:col:34992" name="National Museum of Natural History, Naturalis" pageId="8" pageNumber="9" type="Museum">RMNH</collectionCode>
.VER.21534.1, the vasa deferentia are swollen to form spermiducal vesicles.
</paragraph>
<paragraph id="A66D36C24D6DA510FF67F8E5FB8273A7" blockId="8.[127,780,981,1976]" lastBlockId="8.[824,1475,144,638]" pageId="8" pageNumber="9">
The stubby and asymmetrical penis papilla is characterized by a dorsal lip that is bigger than the ventral one. In specimen
<collectionCode id="C0C3AE074D6DA510FF79F827FF4875FE" box="[130,212,1952,1976]" country="Netherlands" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34992" lsid="urn:lsid:biocol.org:col:34992" name="National Museum of Natural History, Naturalis" pageId="8" pageNumber="9" type="Museum">RMNH</collectionCode>
.VER.21534.1, the dorsal lip is also much longer than the ventral one (
<figureCitation id="3EE92A474D6DA510FC09FF17FBAC72EE" box="[1010,1072,144,168]" captionStart="Figure 5" captionStartId="9.[115,180,1620,1644]" captionTargetBox="[116,1453,146,1588]" captionTargetId="figure-106@9.[114,1458,143,1592]" captionTargetPageId="9" captionText="Figure 5. Dugesia xeropotamica, holotype RMNH.VER.21534.1. A, sagittal reconstruction of the copulatory apparatus (anterior to the left). B, photomicrograph showing, in a sagittal histological section, the penis bulb with seminal vesicle, penis papilla with the pointed diaphragm, ejaculatory duct, and extrabulbar glands. Abbreviations: bc, bursal canal; cb, copulatory bursa; d, diaphragm; ed, ejaculatory duct; epg, extra bulbar penial glands; er, ectal reinforcement; g, gonopore; ga, genital atrium; lod, left oviduct; lvd, left vas deferens; pb, penis bulb; pp, penis papilla; rod, right oviduct; sg, shell glands; sv, seminal vesicle." figureDoi="http://doi.org/10.5281/zenodo.13769864" httpUri="https://zenodo.org/record/13769864/files/figure.png" pageId="8" pageNumber="9">Fig. 5</figureCitation>
). The seminal vesicle opens into the ejaculatory duct via a well-developed conical diaphragm. The penis papilla is covered by an infranucleated epithelium, which is underlain by a subepithelial layer of circular muscles. The ejaculatory duct is rather short, measuring about one-half of the length of the penis papilla; it follows a ventral course through the papilla and has a terminal opening at its blunt tip. The ejaculatory duct contained an empty spermatophore in the
<specimenCount id="B0D4FD4B4D6DA510FA91FEEBFC1E73E5" count="2" pageId="8" pageNumber="9" type="generic">two specimens</specimenCount>
examined and is lined by a cuboidal, infranucleated epithelium and surrounded by a subepithelial layer of longitudinal muscles (
<figureCitation id="3EE92A474D6DA510FC2EFE4EFB9173A7" box="[981,1037,457,481]" captionStart="Figure 5" captionStartId="9.[115,180,1620,1644]" captionTargetBox="[116,1453,146,1588]" captionTargetId="figure-106@9.[114,1458,143,1592]" captionTargetPageId="9" captionText="Figure 5. Dugesia xeropotamica, holotype RMNH.VER.21534.1. A, sagittal reconstruction of the copulatory apparatus (anterior to the left). B, photomicrograph showing, in a sagittal histological section, the penis bulb with seminal vesicle, penis papilla with the pointed diaphragm, ejaculatory duct, and extrabulbar glands. Abbreviations: bc, bursal canal; cb, copulatory bursa; d, diaphragm; ed, ejaculatory duct; epg, extra bulbar penial glands; er, ectal reinforcement; g, gonopore; ga, genital atrium; lod, left oviduct; lvd, left vas deferens; pb, penis bulb; pp, penis papilla; rod, right oviduct; sg, shell glands; sv, seminal vesicle." figureDoi="http://doi.org/10.5281/zenodo.13769864" httpUri="https://zenodo.org/record/13769864/files/figure.png" pageId="8" pageNumber="9">Fig. 5</figureCitation>
).
</paragraph>
<paragraph id="A66D36C24D6DA510FCAEFE6EFA1A7038" blockId="8.[824,1475,144,638]" pageId="8" pageNumber="9">
The genital atrium is lined by an infranucleated, columnar epithelium, which is underlain by a subepithelial layer of circular muscle, followed by a layer of longitudinal muscle fibres. The genital atrium opens to the exterior via the ventral gonopore. No cement glands were discerned in either of the specimens examined (
<figureCitation id="3EE92A474D6DA510FABBFDE1FAEA7038" box="[1344,1398,614,638]" captionStart="Figure 5" captionStartId="9.[115,180,1620,1644]" captionTargetBox="[116,1453,146,1588]" captionTargetId="figure-106@9.[114,1458,143,1592]" captionTargetPageId="9" captionText="Figure 5. Dugesia xeropotamica, holotype RMNH.VER.21534.1. A, sagittal reconstruction of the copulatory apparatus (anterior to the left). B, photomicrograph showing, in a sagittal histological section, the penis bulb with seminal vesicle, penis papilla with the pointed diaphragm, ejaculatory duct, and extrabulbar glands. Abbreviations: bc, bursal canal; cb, copulatory bursa; d, diaphragm; ed, ejaculatory duct; epg, extra bulbar penial glands; er, ectal reinforcement; g, gonopore; ga, genital atrium; lod, left oviduct; lvd, left vas deferens; pb, penis bulb; pp, penis papilla; rod, right oviduct; sg, shell glands; sv, seminal vesicle." figureDoi="http://doi.org/10.5281/zenodo.13769864" httpUri="https://zenodo.org/record/13769864/files/figure.png" pageId="8" pageNumber="9">Fig. 5</figureCitation>
).
</paragraph>
<paragraph id="A66D36C24D6DA510FCC2FD27FBA37669" blockId="8.[823,1476,671,1980]" pageId="8" pageNumber="9">
<emphasis id="94A6EAD04D6DA510FCC2FD27FBB070F1" box="[825,1068,671,695]" italics="true" pageId="8" pageNumber="9">Comparative discussion:</emphasis>
In addition to its genetic differentiation from the rest of the species analysed in the present work,
<taxonomicName id="61D24D414D6DA510FCC0FD58FC4170B0" authorityName="Stocchino, Dols-Serrate &amp; Riutort" authorityYear="2024" box="[827,989,735,758]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="species" species="xeropotamica">
<emphasis id="94A6EAD04D6DA510FCC0FD58FC4170B0" box="[827,989,735,758]" italics="true" pageId="8" pageNumber="9">D. xeropotamica</emphasis>
</taxonomicName>
differs from its congeners in a unique combination of morphological characters concerning the copulatory apparatus. Notably, this concerns the following characters: short and asymmetrical penis papilla, with its dorsal lip being bigger than the ventral one; a ventrally displaced ejaculatory duct with its terminal opening; a large, conical diaphragm; symmetrical openings of the vasa deferentia into the seminal vesicle close to the diaphragm; presence of ectal reinforcement along the entire length of the bursal canal; symmetrical openings of the oviducts into the vaginal portion of the bursal canal; and numerous extrabulbar penial glands.
</paragraph>
<paragraph id="A66D36C24D6DA510FCAEFBB0FAA877CE" blockId="8.[823,1476,671,1980]" pageId="8" pageNumber="9">
From the island of
<collectingCountry id="DEC576524D6DA510FBD5FBB0FBE27609" box="[1070,1150,1079,1103]" name="France" pageId="8" pageNumber="9">Corsica</collectingCountry>
, thus far only two species of the genus
<taxonomicName id="61D24D414D6DA510FC5CFBD0FC697628" authorityName="Girard" authorityYear="1850" box="[935,1013,1111,1134]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="genus">
<emphasis id="94A6EAD04D6DA510FC5CFBD0FC697628" box="[935,1013,1111,1134]" italics="true" pageId="8" pageNumber="9">Dugesia</emphasis>
</taxonomicName>
have been reported, i.e.,
<taxonomicName id="61D24D414D6DA510FAFAFBD0FAE87628" authorityName="Lepori" authorityYear="1951" box="[1281,1396,1110,1134]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="species" species="benazzii">
<emphasis id="94A6EAD04D6DA510FAFAFBD0FA887628" box="[1281,1300,1111,1134]" italics="true" pageId="8" pageNumber="9">D</emphasis>
.
<emphasis id="94A6EAD04D6DA510FAD9FBD1FAE87628" box="[1314,1396,1110,1134]" italics="true" pageId="8" pageNumber="9">benazzii</emphasis>
</taxonomicName>
and
<taxonomicName id="61D24D414D6DA510FA50FBD0FCE176CB" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="species" species="mariae">
<emphasis id="94A6EAD04D6DA510FA50FBD0FCE176CB" italics="true" pageId="8" pageNumber="9">D. mariae</emphasis>
</taxonomicName>
, although the presence of
<taxonomicName id="61D24D414D6DA510FB6AFBF1FA9D76CB" authorityName="Lepori" authorityYear="1951" box="[1169,1281,1141,1165]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="species" species="benazzii">
<emphasis id="94A6EAD04D6DA510FB6AFBF1FB3E76CB" box="[1169,1186,1142,1165]" italics="true" pageId="8" pageNumber="9">D</emphasis>
.
<emphasis id="94A6EAD04D6DA510FB54FBF2FA9D76CB" box="[1199,1281,1141,1165]" italics="true" pageId="8" pageNumber="9">benazzii</emphasis>
</taxonomicName>
must be evaluated as doubtful, according to a recent study (cf.
<bibRefCitation id="C2434B334D6DA510FAF2FB12FCF1768A" author="Dols-Serrate D &amp; Stocchino GA &amp; Sluys R" pageId="8" pageNumber="9" refId="ref13120" refString="Dols-Serrate D, Stocchino GA, Sluys R et al. Fantastic beasts and how to delimit them: an integrative approach using multispecies coalescent methods reveals two new, endemic Dugesia species (Platyhelminthes: Tricladida) from Corsica and Sardinia. Zoological Journal of the Linnean Society 2024. in press. https: // doi. org / 10.1093 / zoolinnean / zlad 135." type="book" year="2024">
Dols-Serrate
<emphasis id="94A6EAD04D6DA510FA69FB12FA5F76EB" box="[1426,1475,1173,1197]" italics="true" pageId="8" pageNumber="9">et al.</emphasis>
2024
</bibRefCitation>
).
<taxonomicName id="61D24D414D6DA510FC71FB32FBFB768A" authorityName="Stocchino, Dols-Serrate &amp; Riutort" authorityYear="2024" box="[906,1127,1205,1228]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="species" species="xeropotamica">
<emphasis id="94A6EAD04D6DA510FC71FB32FBFB768A" box="[906,1127,1205,1228]" italics="true" pageId="8" pageNumber="9">Dugesia xeropotamica</emphasis>
</taxonomicName>
shares with
<taxonomicName id="61D24D414D6DA510FB03FB32FAF1768A" authorityName="Lepori" authorityYear="1951" box="[1272,1389,1204,1228]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="species" species="benazzii">
<emphasis id="94A6EAD04D6DA510FB03FB32FA97768A" box="[1272,1291,1205,1228]" italics="true" pageId="8" pageNumber="9">D</emphasis>
.
<emphasis id="94A6EAD04D6DA510FAE0FB33FAF1768A" box="[1307,1389,1204,1228]" italics="true" pageId="8" pageNumber="9">benazzii</emphasis>
</taxonomicName>
and
<taxonomicName id="61D24D414D6DA510FA50FB32FCE176AD" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="species" species="mariae">
<emphasis id="94A6EAD04D6DA510FA50FB32FCE176AD" italics="true" pageId="8" pageNumber="9">D. mariae</emphasis>
</taxonomicName>
only the presence of a large, conical diaphragm, whereas it differs from these two species in the absence of a penial fold and the presence of numerous extrabulbar glands.
<taxonomicName id="61D24D414D6DA510FA8FFA94FC21770F" authorityName="Stocchino, Dols-Serrate &amp; Riutort" authorityYear="2024" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="species" species="xeropotamica">
<emphasis id="94A6EAD04D6DA510FA8FFA94FC21770F" italics="true" pageId="8" pageNumber="9">Dugesia xeropotamica</emphasis>
</taxonomicName>
shares with
<taxonomicName id="61D24D414D6DA510FBB2FAB5FB32770F" box="[1097,1198,1330,1353]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="species" species="mariae">
<emphasis id="94A6EAD04D6DA510FBB2FAB5FB32770F" box="[1097,1198,1330,1353]" italics="true" pageId="8" pageNumber="9">D. mariae</emphasis>
</taxonomicName>
the ventral course of the ejaculatory duct and the extension of the ectal reinforcement up to the copulatory bursa (
<bibRefCitation id="C2434B334D6DA510FBCDFAF7FABF77CE" author="Dols-Serrate D &amp; Stocchino GA &amp; Sluys R" box="[1078,1315,1392,1416]" pageId="8" pageNumber="9" refId="ref13120" refString="Dols-Serrate D, Stocchino GA, Sluys R et al. Fantastic beasts and how to delimit them: an integrative approach using multispecies coalescent methods reveals two new, endemic Dugesia species (Platyhelminthes: Tricladida) from Corsica and Sardinia. Zoological Journal of the Linnean Society 2024. in press. https: // doi. org / 10.1093 / zoolinnean / zlad 135." type="book" year="2024">
Dols-Serrate
<emphasis id="94A6EAD04D6DA510FB47FAF6FB7777CE" box="[1212,1259,1392,1416]" italics="true" pageId="8" pageNumber="9">et al.</emphasis>
2024
</bibRefCitation>
).
</paragraph>
<paragraph id="A66D36C24D6DA510FCAEFA08FB787463" blockId="8.[823,1476,671,1980]" pageId="8" pageNumber="9">
The stubby, more or less barrel-shaped penis papilla of
<taxonomicName id="61D24D414D6DA510FA50FA17FC217780" authorityName="Stocchino, Dols-Serrate &amp; Riutort" authorityYear="2024" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="species" species="xeropotamica">
<emphasis id="94A6EAD04D6DA510FA50FA17FC217780" italics="true" pageId="8" pageNumber="9">D. xeropotamica</emphasis>
</taxonomicName>
resembles that of
<taxonomicName id="61D24D414D6DA510FB84FA28FB467781" authorityName="Pala, Stocchino, Corso &amp; Casu" authorityYear="2000" box="[1151,1242,1455,1479]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="species" species="leporii">
<emphasis id="94A6EAD04D6DA510FB84FA28FB467781" box="[1151,1242,1455,1479]" italics="true" pageId="8" pageNumber="9">D. leporii</emphasis>
</taxonomicName>
from
<collectingRegion id="6416F8204D6DA510FAE2FA28FAF17781" box="[1305,1389,1455,1479]" country="Italy" name="Sardegna" pageId="8" pageNumber="9">Sardinia</collectingRegion>
(
<bibRefCitation id="C2434B334D6DA510FA84FA28FC1177A0" author="Pala M &amp; Stocchino GA &amp; Corso G" pageId="8" pageNumber="9" pagination="379 - 83" refId="ref15345" refString="Pala M, Stocchino GA, Corso G et al. A new species of freshwater planarian belonging to the genus Dugesia (Platyhelminthes, Tricladida) from Sardinia. Italian Journal of Zoology 2000; 67: 379 - 83. https: // doi. org / 10.1080 / 11250000009356343" type="journal article" year="2000">
Pala
<emphasis id="94A6EAD04D6DA510FA4AFA28FCCE77A0" italics="true" pageId="8" pageNumber="9">et al.</emphasis>
2000
</bibRefCitation>
). However, it differs from the latter species in the absence of a penial valve, the presence of a short ejaculatory duct, and presence of extrabulbar penial glands.
</paragraph>
<paragraph id="A66D36C24D6DA510FCAEF9ABFA31753B" blockId="8.[823,1476,671,1980]" pageId="8" pageNumber="9">
In its peculiar shape of the penis papilla, with its dorsal lip being longer than the ventral one, specimen
<collectionCode id="C0C3AE074D6DA510FB1BF9CCFAAC7425" box="[1248,1328,1611,1635]" country="Netherlands" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34992" lsid="urn:lsid:biocol.org:col:34992" name="National Museum of Natural History, Naturalis" pageId="8" pageNumber="9" type="Museum">RMNH</collectionCode>
.VER.21534.1 of
<taxonomicName id="61D24D414D6DA510FCA7F9ECFB9A74C4" authorityName="Stocchino, Dols-Serrate &amp; Riutort" authorityYear="2024" box="[860,1030,1643,1666]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="species" species="xeropotamica">
<emphasis id="94A6EAD04D6DA510FCA7F9ECFB9A74C4" box="[860,1030,1643,1666]" italics="true" pageId="8" pageNumber="9">D. xeropotamica</emphasis>
</taxonomicName>
resembles
<taxonomicName id="61D24D414D6DA510FB73F9ECFC7774E4" authority="Ichikawa &amp; Kawakatsu, 1964" authorityName="Ichikawa &amp; Kawakatsu" authorityYear="1964" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="species" species="japonica">
<emphasis id="94A6EAD04D6DA510FB73F9ECFAAA74C4" box="[1160,1334,1643,1666]" italics="true" pageId="8" pageNumber="9">Dugesia japonica</emphasis>
<bibRefCitation id="C2434B334D6DA510FABEF9ECFC7774E4" author="Ichikawa A &amp; Kawakatsu M" pageId="8" pageNumber="9" pagination="185 - 94" refId="ref13884" refString="Ichikawa A, Kawakatsu M. A new freshwater planarian, Dugesia japonica, commonly but erroneously known as Dugesia gonocephala (Duges). Annotationes Zoologicae Japonenses 1964; 37: 185 - 94." type="journal article" year="1964">Ichikawa &amp; Kawakatsu, 1964</bibRefCitation>
</taxonomicName>
from Matsumoto City (Honshû,
<collectingCountry id="DEC576524D6DA510FAAAF90DFA1074E4" box="[1361,1420,1674,1698]" name="Japan" pageId="8" pageNumber="9">Japan</collectingCountry>
) and
<taxonomicName id="61D24D414D6DA510FCC2F92DFB287487" authority="Kawakatsu, 1976" authorityName="Kawakatsu" authorityYear="1976" box="[825,1204,1705,1729]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="species" species="ryukyuensis">
<emphasis id="94A6EAD04D6DA510FCC2F92DFC637487" box="[825,1023,1705,1729]" italics="true" pageId="8" pageNumber="9">Dugesia ryukyuensis</emphasis>
<bibRefCitation id="C2434B334D6DA510FBFEF92EFB287487" author="Kawakatsu M &amp; Oki I &amp; Tamura S" box="[1029,1204,1705,1729]" pageId="8" pageNumber="9" pagination="81 - 126" refId="ref14351" refString="Kawakatsu M, Oki I, Tamura S et al. Studies on the morphology, karyology and taxonomy of the Japanese freshwater planarian Dugesia japonica Ichikawa et Kawakatsu, with a description of a new subspecies, Dugesia japonica ryukyensis subspec. nov. Bulletin of Fuji Women's College 1976; 14: 81 - 126." type="journal article" year="1976">Kawakatsu, 1976</bibRefCitation>
</taxonomicName>
(
<bibRefCitation id="C2434B334D6DA510FB3EF92EFCF174A7" author="Ichikawa A &amp; Kawakatsu M" pageId="8" pageNumber="9" pagination="185 - 94" refId="ref13884" refString="Ichikawa A, Kawakatsu M. A new freshwater planarian, Dugesia japonica, commonly but erroneously known as Dugesia gonocephala (Duges). Annotationes Zoologicae Japonenses 1964; 37: 185 - 94." type="journal article" year="1964">Ichikawa and Kawakatsu 1964</bibRefCitation>
,
<bibRefCitation id="C2434B334D6DA510FC80F94EFBC374A7" author="Kawakatsu M &amp; Oki I &amp; Tamura S" box="[891,1119,1737,1761]" pageId="8" pageNumber="9" pagination="81 - 126" refId="ref14351" refString="Kawakatsu M, Oki I, Tamura S et al. Studies on the morphology, karyology and taxonomy of the Japanese freshwater planarian Dugesia japonica Ichikawa et Kawakatsu, with a description of a new subspecies, Dugesia japonica ryukyensis subspec. nov. Bulletin of Fuji Women's College 1976; 14: 81 - 126." type="journal article" year="1976">
Kawakatsu
<emphasis id="94A6EAD04D6DA510FC09F94EFBB874A7" box="[1010,1060,1737,1761]" italics="true" pageId="8" pageNumber="9">et al.</emphasis>
1976
</bibRefCitation>
). However,
<taxonomicName id="61D24D414D6DA510FB19F94EFA1974A6" authorityName="Stocchino, Dols-Serrate &amp; Riutort" authorityYear="2024" box="[1250,1413,1737,1760]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="species" species="xeropotamica">
<emphasis id="94A6EAD04D6DA510FB19F94EFA1974A6" box="[1250,1413,1737,1760]" italics="true" pageId="8" pageNumber="9">D. xeropotamica</emphasis>
</taxonomicName>
has a large, pointed diaphragm, in contrast to the small diaphragm present in the two above-mentioned Oriental species. Moreover,
<taxonomicName id="61D24D414D6DA510FA50F88FFC177578" authorityName="Ichikawa &amp; Kawakatsu" authorityYear="1964" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="species" species="japonica">
<emphasis id="94A6EAD04D6DA510FA50F88FFC177578" italics="true" pageId="8" pageNumber="9">D. japonica</emphasis>
</taxonomicName>
and
<taxonomicName id="61D24D414D6DA510FC42F8A0FBD97579" authorityName="Kawakatsu" authorityYear="1976" box="[953,1093,1831,1855]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="species" species="ryukyuensis">
<emphasis id="94A6EAD04D6DA510FC42F8A0FBD97579" box="[953,1093,1831,1855]" italics="true" pageId="8" pageNumber="9">D. ryukyuensis</emphasis>
</taxonomicName>
have their openings of vasa deferentia located at the anterior section of the seminal vesicle, whereas in
<taxonomicName id="61D24D414D6DA510FCC1F8E1FC46753B" authorityName="Stocchino, Dols-Serrate &amp; Riutort" authorityYear="2024" box="[826,986,1894,1917]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="species" species="xeropotamica">
<emphasis id="94A6EAD04D6DA510FCC1F8E1FC46753B" box="[826,986,1894,1917]" italics="true" pageId="8" pageNumber="9">D. xeropotamica</emphasis>
</taxonomicName>
the sperm ducts open close to the diaphragm.
</paragraph>
<paragraph id="A66D36C24D6DA512FCAEF802FB5D753C" blockId="8.[823,1476,671,1980]" lastBlockId="10.[825,1474,1828,1978]" lastPageId="10" lastPageNumber="11" pageId="8" pageNumber="9">
Extrabulbar penial glands are not rare in
<taxonomicName id="61D24D414D6DA510FB19F802FAAC75DA" authorityName="Girard" authorityYear="1850" box="[1250,1328,1925,1948]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="genus">
<emphasis id="94A6EAD04D6DA510FB19F802FAAC75DA" box="[1250,1328,1925,1948]" italics="true" pageId="8" pageNumber="9">Dugesia</emphasis>
</taxonomicName>
and have been reported for a number of species, such as:
<taxonomicName id="61D24D414D6DA511FB04F822FEB37571" authority="(Kaburaki, 1918)" baseAuthorityName="Kaburaki" baseAuthorityYear="1918" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" lastPageId="9" lastPageNumber="10" order="Tricladida" pageId="8" pageNumber="9" phylum="Platyhelminthes" rank="species" species="annandalei">
<emphasis id="94A6EAD04D6DA510FB04F822FA5E75FA" box="[1279,1474,1956,1980]" italics="true" pageId="8" pageNumber="9">Dugesia annandalei</emphasis>
(
<bibRefCitation id="C2434B334D6CA511FF83F898FEB47571" author="Kaburaki T" box="[120,296,1823,1847]" pageId="9" pageNumber="10" pagination="187 - 94" refId="ref14051" refString="Kaburaki T. Freshwater triclads from the Basin of the Inle Lake. Records of the Indian Museum 1918; 14: 187 - 94." type="journal article" year="1918">Kaburaki, 1918</bibRefCitation>
)
</taxonomicName>
,
<taxonomicName id="61D24D414D6CA511FEB9F8A7FD6A7571" authority="(Kaburaki, 1925)" baseAuthorityName="Kaburaki" baseAuthorityYear="1925" box="[322,758,1823,1847]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="9" pageNumber="10" phylum="Platyhelminthes" rank="species" species="andamanensis">
<emphasis id="94A6EAD04D6CA511FEB9F8A7FDB57571" box="[322,553,1823,1847]" italics="true" pageId="9" pageNumber="10">Dugesia andamanensis</emphasis>
(
<bibRefCitation id="C2434B334D6CA511FDC4F898FD717571" author="Kaburaki T" box="[575,749,1823,1847]" pageId="9" pageNumber="10" pagination="29 - 32" refId="ref14077" refString="Kaburaki T. Planarians from the Andamans. Records of the Zoological Survey of India 1925; 27: 29 - 32. https: // doi. org / 10.26515 / rzsi / v 27 / i 2 / 1925 / 163456" type="journal article" year="1925">Kaburaki, 1925</bibRefCitation>
)
</taxonomicName>
,
<taxonomicName id="61D24D414D6CA511FF8AF8B8FE2E7510" authority="de Vries, 1988" authorityName="de Vries" authorityYear="1988" box="[113,434,1854,1878]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="9" pageNumber="10" phylum="Platyhelminthes" rank="species" species="mirabilis">
<emphasis id="94A6EAD04D6CA511FF8AF8B8FE867510" box="[113,282,1854,1878]" italics="true" pageId="9" pageNumber="10">Dugesia mirabilis</emphasis>
<bibRefCitation id="C2434B334D6CA511FEDBF8B9FE2E7510" author="de Vries EJ" box="[288,434,1854,1878]" pageId="9" pageNumber="10" pagination="345 - 82" refId="ref13022" refString="de Vries EJ. A synopsis of the nominal species of the subgenus Dugesia (Platyhelminthes, Tricladida, Paludicola) from Africa and Madagascar. Zoological Journal of the Linnean Society 1988; 92: 345 - 82." type="journal article" year="1988">de Vries, 1988</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="61D24D414D6CA511FE46F8B8FF3A7530" authority="de Vries, 1988" authorityName="de Vries" authorityYear="1988" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="9" pageNumber="10" phylum="Platyhelminthes" rank="species" species="debeauchampi">
<emphasis id="94A6EAD04D6CA511FE46F8B8FD007510" box="[445,668,1854,1878]" italics="true" pageId="9" pageNumber="10">Dugesia debeauchampi</emphasis>
<bibRefCitation id="C2434B334D6CA511FD59F8B9FF3A7530" author="de Vries EJ" pageId="9" pageNumber="10" pagination="345 - 82" refId="ref13022" refString="de Vries EJ. A synopsis of the nominal species of the subgenus Dugesia (Platyhelminthes, Tricladida, Paludicola) from Africa and Madagascar. Zoological Journal of the Linnean Society 1988; 92: 345 - 82." type="journal article" year="1988">de Vries, 1988</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="61D24D414D6CA511FF49F8D9FE7D7530" authority="de Vries, 1988" authorityName="de Vries" authorityYear="1988" box="[178,481,1886,1910]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="9" pageNumber="10" phylum="Platyhelminthes" rank="species" species="myopa">
<emphasis id="94A6EAD04D6CA511FF49F8D9FEDB7533" box="[178,327,1886,1909]" italics="true" pageId="9" pageNumber="10">Dugesia myopa</emphasis>
<bibRefCitation id="C2434B334D6CA511FEB5F8D9FE7D7530" author="de Vries EJ" box="[334,481,1886,1910]" pageId="9" pageNumber="10" pagination="345 - 82" refId="ref13022" refString="de Vries EJ. A synopsis of the nominal species of the subgenus Dugesia (Platyhelminthes, Tricladida, Paludicola) from Africa and Madagascar. Zoological Journal of the Linnean Society 1988; 92: 345 - 82." type="journal article" year="1988">de Vries, 1988</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="61D24D414D6CA511FE15F8D9FF2F75D3" authority="(Neppi, 1904)" baseAuthorityName="Neppi" baseAuthorityYear="1904" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="9" pageNumber="10" phylum="Platyhelminthes" rank="species" species="neumanni">
<emphasis id="94A6EAD04D6CA511FE15F8D9FD3F7533" box="[494,675,1886,1909]" italics="true" pageId="9" pageNumber="10">Dugesia neumanni</emphasis>
(Neppi, 1904)
</taxonomicName>
,
<taxonomicName id="61D24D414D6CA511FF40F8F9FDBB75D3" authority="de Beauchamp, 1952" authorityName="de Beauchamp" authorityYear="1952" box="[187,551,1917,1941]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="9" pageNumber="10" phylum="Platyhelminthes" rank="species" species="milloti">
<emphasis id="94A6EAD04D6CA511FF40F8F9FED175D3" box="[187,333,1917,1941]" italics="true" pageId="9" pageNumber="10">Dugesia milloti</emphasis>
de Beauchamp, 1952
</taxonomicName>
,
<taxonomicName id="61D24D414D6CA511FDD4F8F9FF6375F2" authority="Marcus, 1953" authorityName="Marcus" authorityYear="1953" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="9" pageNumber="10" phylum="Platyhelminthes" rank="species" species="monomyoda">
<emphasis id="94A6EAD04D6CA511FDD4F8F9FD6675D3" box="[559,762,1917,1941]" italics="true" pageId="9" pageNumber="10">Dugesia monomyoda</emphasis>
Marcus, 1953
</taxonomicName>
,
<taxonomicName id="61D24D414D6CA511FEF0F81AFD3D75F2" authority="Stocchino &amp; Sluys, 2014" authorityName="Stocchino &amp; Sluys" authorityYear="2014" box="[267,673,1948,1972]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="9" pageNumber="10" phylum="Platyhelminthes" rank="species" species="bifida">
<emphasis id="94A6EAD04D6CA511FEF0F81AFE0575F2" box="[267,409,1948,1972]" italics="true" pageId="9" pageNumber="10">Dugesia bifida</emphasis>
<bibRefCitation id="C2434B334D6CA511FE5BF81BFD3D75F2" author="Stocchino GA &amp; Sluys R &amp; Manconi R" box="[416,673,1948,1972]" pageId="9" pageNumber="10" pagination="71 - 88" refId="ref16017" refString="Stocchino GA, Sluys R, Manconi R. A new and aberrant species of Dugesia (Platyhelminthes, Tricladida, Dugesiidae) from Madagascar. ZooKeys 2014; 425: 71 - 88. https: // doi. org / 10.3897 / zookeys. 425.7811" type="journal article" year="2014">Stocchino &amp; Sluys, 2014</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="61D24D414D6CA511FD55F81AFBCB7571" authority="(Kaburaki, 1925)" baseAuthorityName="Kaburaki" baseAuthorityYear="1925" box="[686,1111,1823,1972]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="9" pageNumber="10" phylum="Platyhelminthes" rank="species" species="burmaensis">
<emphasis id="94A6EAD04D6CA511FD55F81AFC047571" box="[686,920,1823,1972]" italics="true" pageId="9" pageNumber="10">Dugesia burmaensis</emphasis>
(
<bibRefCitation id="C2434B334D6CA511FC5CF898FBD37571" author="Kaburaki T" box="[935,1103,1823,1847]" pageId="9" pageNumber="10" pagination="29 - 32" refId="ref14077" refString="Kaburaki T. Planarians from the Andamans. Records of the Zoological Survey of India 1925; 27: 29 - 32. https: // doi. org / 10.26515 / rzsi / v 27 / i 2 / 1925 / 163456" type="journal article" year="1925">Kaburaki, 1925</bibRefCitation>
)
</taxonomicName>
, and
<taxonomicName id="61D24D414D6CA511FB6AF8A7FC207510" authority="Stocchino &amp; Sluys, 2017" authorityName="Stocchino &amp; Sluys" authorityYear="2017" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="9" pageNumber="10" phylum="Platyhelminthes" rank="species" species="sigmoides">
<emphasis id="94A6EAD04D6CA511FB6AF8A7FAD87571" box="[1169,1348,1823,1847]" italics="true" pageId="9" pageNumber="10">Dugesia sigmoides</emphasis>
<bibRefCitation id="C2434B334D6CA511FAB7F898FC207510" author="Stocchino GA &amp; Sluys R &amp; Riutort M" pageId="9" pageNumber="10" pagination="727 - 56" refId="ref16064" refString="Stocchino GA, Sluys R, Riutort M et al. Freshwater planarian diversity (Platyhelminthes, Tricladida, Dugesiidae) in Madagascar: new species, cryptic species, with a redefinition of character states. Zoological Journal of the Linnean Society 2017; 181: 727 - 56. https: // doi. org / 10.1093 / zoolinnean / zlx 017" type="journal article" year="2017">Stocchino &amp; Sluys, 2017</bibRefCitation>
</taxonomicName>
(
<bibRefCitation id="C2434B334D6CA511FC35F8B9FBF17510" author="Kaburaki T" box="[974,1133,1854,1878]" pageId="9" pageNumber="10" pagination="187 - 94" refId="ref14051" refString="Kaburaki T. Freshwater triclads from the Basin of the Inle Lake. Records of the Indian Museum 1918; 14: 187 - 94." type="journal article" year="1918">Kaburaki, 1918</bibRefCitation>
,
<bibRefCitation id="C2434B334D6CA511FB81F8B9FB327510" author="Kaburaki T" box="[1146,1198,1854,1878]" pageId="9" pageNumber="10" pagination="29 - 32" refId="ref14077" refString="Kaburaki T. Planarians from the Andamans. Records of the Zoological Survey of India 1925; 27: 29 - 32. https: // doi. org / 10.26515 / rzsi / v 27 / i 2 / 1925 / 163456" type="journal article" year="1925">1925</bibRefCitation>
; Marcus, 1953;
<bibRefCitation id="C2434B334D6CA511FAA2F8B9FCC27530" author="de Vries EJ" pageId="9" pageNumber="10" pagination="345 - 82" refId="ref13022" refString="de Vries EJ. A synopsis of the nominal species of the subgenus Dugesia (Platyhelminthes, Tricladida, Paludicola) from Africa and Madagascar. Zoological Journal of the Linnean Society 1988; 92: 345 - 82." type="journal article" year="1988">de Vries, 1988</bibRefCitation>
;
<bibRefCitation id="C2434B334D6CA511FC90F8D9FBA17530" author="Stocchino GA &amp; Sluys R &amp; Manconi R" box="[875,1085,1886,1910]" pageId="9" pageNumber="10" pagination="71 - 88" refId="ref16017" refString="Stocchino GA, Sluys R, Manconi R. A new and aberrant species of Dugesia (Platyhelminthes, Tricladida, Dugesiidae) from Madagascar. ZooKeys 2014; 425: 71 - 88. https: // doi. org / 10.3897 / zookeys. 425.7811" type="journal article" year="2014">
Stocchino
<emphasis id="94A6EAD04D6CA511FC2CF8D9FB997530" box="[983,1029,1886,1910]" italics="true" pageId="9" pageNumber="10">et al.</emphasis>
2014
</bibRefCitation>
,
<bibRefCitation id="C2434B334D6CA511FBB3F8D9FBE07530" author="Stocchino GA &amp; Sluys R &amp; Riutort M" box="[1096,1148,1886,1910]" pageId="9" pageNumber="10" pagination="727 - 56" refId="ref16064" refString="Stocchino GA, Sluys R, Riutort M et al. Freshwater planarian diversity (Platyhelminthes, Tricladida, Dugesiidae) in Madagascar: new species, cryptic species, with a redefinition of character states. Zoological Journal of the Linnean Society 2017; 181: 727 - 56. https: // doi. org / 10.1093 / zoolinnean / zlx 017" type="journal article" year="2017">2017</bibRefCitation>
). Although extrabulbar glands are not explicitly reported in the literature on several other species, some of the drawings in the related descriptions, however, do suggest the presence of such glands. This is the case, for example, in accounts on
<taxonomicName id="61D24D414D6FA512FE9BF8C3FF28753C" authority="Kawakatsu &amp; Mitchell, 1989" authorityName="Kawakatsu &amp; Mitchell" authorityYear="1989" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="10" pageNumber="11" phylum="Platyhelminthes" rank="species" species="deharvengi">
<emphasis id="94A6EAD04D6FA512FE9BF8C3FD81751D" box="[352,541,1859,1883]" italics="true" pageId="10" pageNumber="11">Dugesia deharvengi</emphasis>
<bibRefCitation id="C2434B334D6FA512FDD9F8C4FF28753C" author="Kawakatsu M &amp; Mitchell RW" pageId="10" pageNumber="11" pagination="175 - 82" refId="ref14263" refString="Kawakatsu M, Mitchell RW. Dugesia deharvengi sp. nov., new troglobitic freshwater planarians from Tham Kubio Cave, Thailand (Turbellaria, Tricladida, Paludicola). Bulletin of the Biogeographical Society of Japan 1989; 44: 175 - 82." type="journal article" year="1989">Kawakatsu &amp; Mitchell, 1989</bibRefCitation>
</taxonomicName>
(
<bibRefCitation id="C2434B334D6FA512FF32F8E5FD99753C" author="Kawakatsu M &amp; Mitchell RW" box="[201,517,1890,1914]" pageId="10" pageNumber="11" pagination="175 - 82" refId="ref14263" refString="Kawakatsu M, Mitchell RW. Dugesia deharvengi sp. nov., new troglobitic freshwater planarians from Tham Kubio Cave, Thailand (Turbellaria, Tricladida, Paludicola). Bulletin of the Biogeographical Society of Japan 1989; 44: 175 - 82." type="journal article" year="1989">Kawakatsu and Mitchell 1989</bibRefCitation>
: fig. 3A),
<taxonomicName id="61D24D414D6FA512FD8CF8E4FEAB75DC" authority="Kawakatsu, 1969" authorityName="Kawakatsu" authorityYear="1969" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="10" pageNumber="11" phylum="Platyhelminthes" rank="species" species="indica">
<emphasis id="94A6EAD04D6FA512FD8CF8E4FC95753C" box="[631,777,1890,1914]" italics="true" pageId="10" pageNumber="11">Dugesia indica</emphasis>
<bibRefCitation id="C2434B334D6FA512FF7AF805FEAB75DC" author="Kawakatsu M" box="[129,311,1922,1946]" pageId="10" pageNumber="11" pagination="210 - 5" refId="ref14242" refString="Kawakatsu M. Report on freshwater planaria from India. Annotationes Zoologicae Japonenses 1969; 42: 210 - 5." type="journal article" year="1969">Kawakatsu, 1969</bibRefCitation>
</taxonomicName>
(
<bibRefCitation id="C2434B334D6FA512FEABF805FD9E75DC" author="Kawakatsu M" box="[336,514,1922,1946]" pageId="10" pageNumber="11" pagination="210 - 5" refId="ref14242" refString="Kawakatsu M. Report on freshwater planaria from India. Annotationes Zoologicae Japonenses 1969; 42: 210 - 5." type="journal article" year="1969">Kawakatsu 1969</bibRefCitation>
: fig. 2),
<taxonomicName id="61D24D414D6FA512FD8BF805FE3C75FF" authority="Banchetti &amp; Del Papa, 1971" authorityName="Banchetti &amp; Del Papa" authorityYear="1971" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="10" pageNumber="11" phylum="Platyhelminthes" rank="species" species="lanzai">
<emphasis id="94A6EAD04D6FA512FD8BF805FC9575DC" box="[624,777,1922,1946]" italics="true" pageId="10" pageNumber="11">Dugesia lanzai</emphasis>
Banchetti &amp; Del Papa, 1971
</taxonomicName>
(
<bibRefCitation id="C2434B334D6FA512FE49F826FDBE75FF" author="Sluys R" box="[434,546,1953,1977]" pageId="10" pageNumber="11" pagination="229 - 57" refId="ref15600" refString="Sluys R. Annotations on freshwater planarians (Platyhelminthes, Tricladida, Dugesiidae) from the Afrotropical Region. Tropical Zoology 2007; 20: 229 - 57." type="journal article" year="2007">Sluys 2007</bibRefCitation>
: fig 9),
<taxonomicName id="61D24D414D6FA512FD8DF825FBF5757A" authority="Kawakatsu &amp; Mitchell, 1995" authorityName="Kawakatsu &amp; Mitchell" authorityYear="1995" box="[630,1129,1828,1977]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="10" pageNumber="11" phylum="Platyhelminthes" rank="species" species="leclerci">
<emphasis id="94A6EAD04D6FA512FD8DF825FC9675FF" box="[630,778,1953,1977]" italics="true" pageId="10" pageNumber="11">Dugesia leclerci</emphasis>
<bibRefCitation id="C2434B334D6FA512FCC2F8A3FBF5757A" author="Kawakatsu M &amp; Mitchell RW" box="[825,1129,1828,1852]" pageId="10" pageNumber="11" pagination="81 - 103" refId="ref14309" refString="Kawakatsu M, Mitchell RW. Two new freshwater cavernicolous planarians (Turbellaria, Tricladida, Paludicola) from Sulawesi (Celebes), Indonesia. Special Bulletin of the Japanese Society of Coleopterology 1995; 4: 81 - 103." type="journal article" year="1995">Kawakatsu &amp; Mitchell, 1995</bibRefCitation>
</taxonomicName>
(
<bibRefCitation id="C2434B334D6FA512FB85F8A3FA27757A" author="Kawakatsu M &amp; Mitchell RW" box="[1150,1467,1828,1852]" pageId="10" pageNumber="11" pagination="81 - 103" refId="ref14309" refString="Kawakatsu M, Mitchell RW. Two new freshwater cavernicolous planarians (Turbellaria, Tricladida, Paludicola) from Sulawesi (Celebes), Indonesia. Special Bulletin of the Japanese Society of Coleopterology 1995; 4: 81 - 103." type="journal article" year="1995">Kawakatsu and Mitchell 1995</bibRefCitation>
: fig. 10A), and
<taxonomicName id="61D24D414D6FA512FC23F8C3FA5E751D" authority="Kawakatsu &amp; Mitchell, 1995" authorityName="Kawakatsu &amp; Mitchell" authorityYear="1995" box="[984,1474,1859,1883]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="10" pageNumber="11" phylum="Platyhelminthes" rank="species" species="uenorum">
<emphasis id="94A6EAD04D6FA512FC23F8C3FB1B751D" box="[984,1159,1860,1883]" italics="true" pageId="10" pageNumber="11">Dugesia uenorum</emphasis>
<bibRefCitation id="C2434B334D6FA512FB6AF8C4FA5E751D" author="Kawakatsu M &amp; Mitchell RW" box="[1169,1474,1859,1883]" pageId="10" pageNumber="11" pagination="81 - 103" refId="ref14309" refString="Kawakatsu M, Mitchell RW. Two new freshwater cavernicolous planarians (Turbellaria, Tricladida, Paludicola) from Sulawesi (Celebes), Indonesia. Special Bulletin of the Japanese Society of Coleopterology 1995; 4: 81 - 103." type="journal article" year="1995">Kawakatsu &amp; Mitchell, 1995</bibRefCitation>
</taxonomicName>
(
<bibRefCitation id="C2434B334D6FA512FCBFF8E5FBEF753C" author="Kawakatsu M &amp; Mitchell RW" box="[836,1139,1890,1914]" pageId="10" pageNumber="11" pagination="81 - 103" refId="ref14309" refString="Kawakatsu M, Mitchell RW. Two new freshwater cavernicolous planarians (Turbellaria, Tricladida, Paludicola) from Sulawesi (Celebes), Indonesia. Special Bulletin of the Japanese Society of Coleopterology 1995; 4: 81 - 103." type="journal article" year="1995">Kawakatsu and Mitchell 1995</bibRefCitation>
: fig. 6).
</paragraph>
<caption id="F2AD664A4D6CA511FF88F9D3FD28749A" ID-DOI="http://doi.org/10.5281/zenodo.13769864" ID-Zenodo-Dep="13769864" httpUri="https://zenodo.org/record/13769864/files/figure.png" pageId="9" pageNumber="10" startId="9.[115,180,1620,1644]" targetBox="[116,1453,146,1588]" targetPageId="9" targetType="figure">
<paragraph id="A66D36C24D6CA511FF88F9D3FD28749A" blockId="9.[113,1430,1620,1757]" pageId="9" pageNumber="10">
<emphasis id="94A6EAD04D6CA511FF88F9D3FF56742B" bold="true" box="[115,202,1620,1645]" pageId="9" pageNumber="10">Figure 5.</emphasis>
<taxonomicName id="61D24D414D6CA511FF35F9D2FE09742A" authorityName="Stocchino, Dols-Serrate &amp; Riutort" authorityYear="2024" box="[206,405,1621,1644]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="9" pageNumber="10" phylum="Platyhelminthes" rank="species" species="xeropotamica">
<emphasis id="94A6EAD04D6CA511FF35F9D2FE09742A" box="[206,405,1621,1644]" italics="true" pageId="9" pageNumber="10">Dugesia xeropotamica</emphasis>
</taxonomicName>
, holotype RMNH.VER.21534.1. A, sagittal reconstruction of the copulatory apparatus (anterior to the left). B, photomicrograph showing, in a sagittal histological section, the penis bulb with seminal vesicle, penis papilla with the pointed diaphragm, ejaculatory duct, and extrabulbar glands. Abbreviations: bc, bursal canal; cb, copulatory bursa; d, diaphragm; ed, ejaculatory duct; epg, extra bulbar penial glands; er, ectal reinforcement; g, gonopore; ga, genital atrium; lod, left oviduct; lvd, left vas deferens; pb, penis bulb; pp, penis papilla; rod, right oviduct; sg, shell glands; sv, seminal vesicle.
</paragraph>
</caption>
<caption id="F2AD664A4D6FA512FF79F9F5FE967498" ID-DOI="http://doi.org/10.5281/zenodo.13769866" ID-Zenodo-Dep="13769866" httpUri="https://zenodo.org/record/13769866/files/figure.png" pageId="10" pageNumber="11" startId="10.[130,195,1650,1674]" targetBox="[134,1473,148,1618]" targetPageId="10" targetType="figure">
<paragraph id="A66D36C24D6FA512FF79F9F5FE967498" blockId="10.[129,1471,1650,1758]" pageId="10" pageNumber="11">
<emphasis id="94A6EAD04D6FA512FF79F9F5FF4574CC" bold="true" box="[130,217,1650,1674]" pageId="10" pageNumber="11">Figure 6.</emphasis>
<taxonomicName id="61D24D414D6FA512FF26F9F4FE3874CC" authorityName="Stocchino, Dols-Serrate &amp; Riutort" authorityYear="2024" box="[221,420,1651,1674]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="10" pageNumber="11" phylum="Platyhelminthes" rank="species" species="xeropotamica">
<emphasis id="94A6EAD04D6FA512FF26F9F4FE3874CC" box="[221,420,1651,1674]" italics="true" pageId="10" pageNumber="11">Dugesia xeropotamica</emphasis>
</taxonomicName>
. Photomicrographs of sagittal histological sections. A, paratype GAS Pla 29.1, showing the bursal canal with the ectal reinforcement. B, holotype
<emphasis id="94A6EAD04D6FA512FE23F909FD3E74E0" box="[472,674,1678,1702]" italics="true" pageId="10" pageNumber="11">RMNH.VER.21534.1</emphasis>
, showing the extrabulbar penial glands and the penis bulb. Abbreviations: bc, bursal canal; cb, copulatory bursa; cm, circular muscle; e, epithelium; epg, extra bulbar penial glands; er, ectal reinforcement; lm, longitudinal muscle; pb, penis bulb.
</paragraph>
</caption>
<paragraph id="A66D36C24D6FA513FCAEF805FEC972A1" blockId="10.[825,1474,1828,1978]" lastBlockId="11.[113,763,144,231]" lastPageId="11" lastPageNumber="12" pageId="10" pageNumber="11">
Absence of cement glands in
<taxonomicName id="61D24D414D6FA512FB8EF805FA8875DF" authorityName="Stocchino, Dols-Serrate &amp; Riutort" authorityYear="2024" box="[1141,1300,1922,1945]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="10" pageNumber="11" phylum="Platyhelminthes" rank="species" species="xeropotamica">
<emphasis id="94A6EAD04D6FA512FB8EF805FA8875DF" box="[1141,1300,1922,1945]" italics="true" pageId="10" pageNumber="11">D. xeropotamica</emphasis>
</taxonomicName>
appears to be peculiar among species of
<taxonomicName id="61D24D414D6FA512FBCAF825FBE275FF" authorityName="Girard" authorityYear="1850" box="[1073,1150,1954,1977]" family="Dugesiidae" genus="Dugesia" kingdom="Animalia" order="Tricladida" pageId="10" pageNumber="11" phylum="Platyhelminthes" rank="genus">
<emphasis id="94A6EAD04D6FA512FBCAF825FBE275FF" box="[1073,1150,1954,1977]" italics="true" pageId="10" pageNumber="11">Dugesia</emphasis>
</taxonomicName>
, and even in triclads in general, because it is the secretion of these glands that allows cocoons to be fastened to the substratum (
<bibRefCitation id="C2434B334D6EA513FE49FF37FDA67281" author="Hyman LH" box="[434,570,175,200]" pageId="11" pageNumber="12" refId="ref13857" refString="Hyman LH. The Invertebrates: Platyhelminthes and Rhynchocoela - The Acoelomate Bilateria, Vol. II. New York: McGraw-Hill Book Company, 1951." type="book" year="1951">Hyman 1951</bibRefCitation>
,
<bibRefCitation id="C2434B334D6EA513FDBDFF28FD697281" author="Corso G &amp; Manconi R &amp; Stocchino GA" box="[582,757,175,199]" pageId="11" pageNumber="12" pagination="91 - 105" refId="ref12787" refString="Corso G, Manconi R, Stocchino GA. A histochemical study of the reproductive structures in the flatworm Dugesia leporii (Platyhelminthes, Tricladida). Invertebrate Biology 2006; 125: 91 - 105. https: // doi. org / 10.1111 / j. 1744 - 7410.2006.00044. x" type="journal article" year="2006">
Corso
<emphasis id="94A6EAD04D6EA513FD70FF37FD277281" box="[651,699,175,199]" italics="true" pageId="11" pageNumber="12">et al.</emphasis>
2006
</bibRefCitation>
,
<bibRefCitation id="C2434B334D6EA513FF8AFF48FED972A1" author="Stocchino GA &amp; Sluys R &amp; Manconi R" box="[113,325,207,231]" pageId="11" pageNumber="12" pagination="71 - 88" refId="ref16017" refString="Stocchino GA, Sluys R, Manconi R. A new and aberrant species of Dugesia (Platyhelminthes, Tricladida, Dugesiidae) from Madagascar. ZooKeys 2014; 425: 71 - 88. https: // doi. org / 10.3897 / zookeys. 425.7811" type="journal article" year="2014">
Stocchino
<emphasis id="94A6EAD04D6EA513FF25FF48FE9072A1" box="[222,268,207,231]" italics="true" pageId="11" pageNumber="12">et al.</emphasis>
2014
</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>