treatments-xml/data/03/E0/87/03E0878B1852FFB562BE1C8BFA18CF0A.xml

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<mods:title id="E3D7E6AA14D2D29CD7F53BDDE6A8F173">A revision of the genus Cheliplana de Beauchamp, 1927 (Rhabdocoela: Schizorhynchia), with the description of six new species</mods:title>
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<mods:namePart id="CE3BE172BDE7098CA53FDD51C1415055">Gobert, Stefan</mods:namePart>
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<mods:namePart id="A62F9796EE3ACA7E6DBF824BDB6433CA">Diez, Yander L.</mods:namePart>
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<mods:affiliation id="5B938D9A59FD6D269BD3007CA67BACFA">Hasselt University, Centre for Environmental Sciences, Research Group Zoology: Biodiversity and Toxicology, Universitaire Campus Gebouw D, B- 3590 Diepenbeek, Belgium. &amp; University of Oriente, Departement of Biology and Geography, Avenida Patricio Lumumba s / n, CP 90500, Santiago de Cuba, Cuba. Beaty Biodiversity Research Centre, Departments of Botany and Zoology, University of British Columbia, 3529 - 6270 University Blvd, Vancouver, BC, V 6 T 1 Z 4 Canada. &amp; yander @ uo. edu. cu; https: // orcid. org / 0000 - 0001 - 8741 - 4799</mods:affiliation>
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<mods:namePart id="14BAB3EADBCA8490FA847411C55B701E">Reygel, Patrick</mods:namePart>
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<mods:namePart id="07B9A864DBB34B2D62544202386DCDDC">Van Steenkiste, Niels W. L.</mods:namePart>
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<mods:affiliation id="D3FD74B8DA47A2D0898C54D58F5C8489">niels. vansteenkiste @ botany. ubc. ca; https: // orcid. org / 0000 - 0002 - 2676 - 7862</mods:affiliation>
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<mods:namePart id="1F512AE41149AD8D14289540268771BC">Leander, Brian S.</mods:namePart>
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<mods:affiliation id="38F239D07E9E4918B8A516AB1D779813">bleander @ mail. ubc. ca; https: // orcid. org / 0000 - 0003 - 0798 - 0470</mods:affiliation>
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<treatment id="03E0878B1852FFB562BE1C8BFA18CF0A" ID-DOI="http://doi.org/10.5281/zenodo.4912361" ID-GBIF-Taxon="182632079" ID-Zenodo-Dep="4912361" LSID="urn:lsid:plazi:treatment:03E0878B1852FFB562BE1C8BFA18CF0A" httpUri="http://treatment.plazi.org/id/03E0878B1852FFB562BE1C8BFA18CF0A" lastPageId="39" lastPageNumber="492" pageId="37" pageNumber="490">
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<paragraph id="8BF6369D1852FFB762BE1C8BFD53CF01" blockId="37.[151,1436,691,825]" pageId="37" pageNumber="490">
<bibRefCitation id="EFD84B6C1852FFB762BE1C8BFEB0CEF6" author="Brunet, M." box="[151,309,691,718]" pageId="37" pageNumber="490" pagination="421 - 440" refId="ref36294" refString="Brunet, M. (1968) Turbellaries Karkinorhynchidae de la region de Marseille. Les genres Cheliplana et Cheliplanilla. Cahiers de Biologie Marine, 9, 421 - 440." type="journal article" year="1968">Brunet (1968)</bibRefCitation>
provided an identification key to the species of 
<taxonomicName id="4C494D1E1852FFB7617C1C8BFC54CEF5" authorityName="de Beauchamp" authorityYear="1927" box="[853,977,691,717]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="37" pageNumber="490" phylum="Platyhelminthes" rank="genus">
<emphasis id="B93DEA8F1852FFB7617C1C8BFC54CEF5" box="[853,977,691,717]" italics="true" pageId="37" pageNumber="490">Cheliplana</emphasis>
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. Here, we give an updated identification key that should enable the recognition of different species in the field. Hence, our key relies almost exclusively on characters that can be observed on live specimens using a simple microscope setup and it avoids characters only observable on histologically stained serial sections.
</paragraph>
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<keyLead id="30B895A81852FFB762BE1D5CFA19CF41" box="[151,1436,868,890]" pageId="37" pageNumber="490">1. Each proboscis hook consisting of a long proximal part and a branched tip........................................ 2</keyLead>
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<keyLead id="30B895A81852FFB762BE1DB9FA19CFAE" box="[151,1436,897,919]" pageId="37" pageNumber="490">- Each proboscis hook a simple, curved hook................................................................ 4</keyLead>
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2. Only one seminal vesicle. Epidermis covered by glands resembling warts................................ 
<taxonomicName id="4C494D1E1852FFB767091DA7FA19CF8C" authorityName="Diez, Reygel &amp; Artois" authorityYear="2019" box="[1312,1436,927,948]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="37" pageNumber="490" phylum="Platyhelminthes" rank="species" species="verrucosa">
<emphasis id="B93DEA8F1852FFB767091DA7FA19CF8C" box="[1312,1436,927,948]" italics="true" pageId="37" pageNumber="490">C. verrucosa</emphasis>
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<emphasis id="B93DEA8F1852FFB762BE1D84FF1ACFE9" box="[151,159,956,977]" italics="true" pageId="37" pageNumber="490">-</emphasis>
Two seminal vesicles. Epidermis not as such................................................................ 3
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3. Branched part of the proboscis hooks consisting of a pair of solid thorns................................. 
<taxonomicName id="4C494D1E1852FFB7670D1DE1FA19CFD6" authorityName="Noldt" authorityYear="1989" box="[1316,1436,985,1006]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="37" pageNumber="490" phylum="Platyhelminthes" rank="species" species="paradoxa">
<emphasis id="B93DEA8F1852FFB7670D1DE1FA19CFD6" box="[1316,1436,985,1006]" italics="true" pageId="37" pageNumber="490">C. paradoxa</emphasis>
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- Branched part of the proboscis hooks consisting of three slender spines................................. 
<taxonomicName id="4C494D1E1852FFB767361DCFFA19C833" authorityName="Armonies" authorityYear="2018" box="[1311,1436,1014,1036]" family="Cheliplanidae" genus="Dactyloplana" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rhabdocoela" pageId="37" pageNumber="490" phylum="Platyhelminthes" rank="species" species="tridigitata">
<emphasis id="B93DEA8F1852FFB767361DCFFA19C833" box="[1311,1436,1014,1036]" italics="true" pageId="37" pageNumber="490">C. tridigitata</emphasis>
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<keyLead id="30B895A81852FFB762BE1A2CFA19C811" box="[151,1436,1043,1066]" pageId="37" pageNumber="490">4. Copulatory organ with a stylet. A cirrus, armed or unarmed, may be present....................................... 5</keyLead>
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<keyLead id="30B895A81852FFB762BE1A09FA19C87E" box="[151,1436,1073,1095]" pageId="37" pageNumber="490">- Copulatory organ with an unarmed or armed cirrus, never with a stylet........................................... 8</keyLead>
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5. Copulatory organ with a complex, broad stylet combined with a cirrus. Cirrus with a striated appearance: striation running diagonally in the proximal part of the stylet and longitudinally over the medial and distal parts of the cirrus...... 
<taxonomicName id="4C494D1E1852FFB7671A1A54FA19C8B9" authorityName="Schilke" authorityYear="1970" box="[1331,1436,1132,1153]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="37" pageNumber="490" phylum="Platyhelminthes" rank="species" species="boadeni">
<emphasis id="B93DEA8F1852FFB7671A1A54FA19C8B9" box="[1331,1436,1132,1153]" italics="true" pageId="37" pageNumber="490">C. boadeni</emphasis>
</taxonomicName>
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<paragraph id="8BF6369D1852FFB762BE1AB1FA19C8A7" blockId="37.[151,1437,868,2034]" box="[151,1436,1161,1183]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE1AB1FA19C8A7" box="[151,1436,1161,1183]" pageId="37" pageNumber="490">- Copulatory organ not as such............................................................................ 6</keyLead>
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<keyLead id="30B895A81852FFB762BE1A9EFA18C883" box="[151,1437,1190,1212]" pageId="37" pageNumber="490">
6. Stylet a relatively long (~43 μm), simple, slightly curved needle, running centrally through the armed cirrus..... 
<taxonomicName id="4C494D1E1852FFB7671B1A9FFA18C883" authorityName="Karling" authorityYear="1949" box="[1330,1437,1190,1212]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="37" pageNumber="490" phylum="Platyhelminthes" rank="species" species="stylifera">
<emphasis id="B93DEA8F1852FFB7671B1A9FFA18C883" box="[1330,1437,1190,1212]" italics="true" pageId="37" pageNumber="490">C. stylifera</emphasis>
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- Stylet very short (~ 
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), wide and tube-like. No armed cirrus present.......................................... 7
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</paragraph>
</keyStep>
<keyStep id="30BD2E381852FFB762BE1AD9FA19C909" pageId="37" pageNumber="490">
<paragraph id="8BF6369D1852FFB762BE1AD9FA19C92C" blockId="37.[151,1437,868,2034]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE1AD9FA19C92C" pageId="37" pageNumber="490">
7. Two seminal vesicles present, one of which of normal build, the other elongate and surrounded by a thick layer of longitudinal muscle. No sclerotised spermatic ducts present.................................................. 
<taxonomicName id="4C494D1E1852FFB767291AC7FA19C92C" authorityName="Van Steenkiste, Volonterio, Schockaert &amp; Artois" authorityYear="2008" box="[1280,1436,1279,1300]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="37" pageNumber="490" phylum="Platyhelminthes" rank="species" species="uruguayensis">
<emphasis id="B93DEA8F1852FFB767291AC7FA19C92C" box="[1280,1436,1279,1300]" italics="true" pageId="37" pageNumber="490">C. uruguayensis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1852FFB762BE1B24FA19C909" blockId="37.[151,1437,868,2034]" box="[151,1436,1308,1330]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE1B24FA19C909" box="[151,1436,1308,1330]" pageId="37" pageNumber="490">
- Only one seminal vesicle present. A sclerotised spermatic duct connects ovary and bursa........................ 
<taxonomicName id="4C494D1E1852FFB767641B24FA19C909" authorityName="Marcus" authorityYear="1952" box="[1357,1436,1308,1329]" class="Rhabditophora" family="Karkinorhynchidae" genus="Rhinepera" kingdom="Animalia" order="Rhabdocoela" pageId="37" pageNumber="490" phylum="Platyhelminthes" rank="species" species="targa">
<emphasis id="B93DEA8F1852FFB767641B24FA19C909" box="[1357,1436,1308,1329]" italics="true" pageId="37" pageNumber="490">C. targa</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381852FFB762BE1B01FA19C953" pageId="37" pageNumber="490">
<paragraph id="8BF6369D1852FFB762BE1B01FA19C976" blockId="37.[151,1437,868,2034]" box="[151,1436,1337,1359]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE1B01FA19C976" box="[151,1436,1337,1359]" pageId="37" pageNumber="490">8. Cirrus unarmed....................................................................................... 9</keyLead>
</paragraph>
<paragraph id="8BF6369D1852FFB762BE1B6FFA19C953" blockId="37.[151,1437,868,2034]" box="[151,1436,1366,1388]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE1B6FFA19C953" box="[151,1436,1366,1388]" pageId="37" pageNumber="490">- Cirrus armed with (small) spines........................................................................ 14</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381852FFB762BE1B4CFA19C99E" pageId="37" pageNumber="490">
<paragraph id="8BF6369D1852FFB762BE1B4CFA19C9B1" blockId="37.[151,1437,868,2034]" box="[151,1436,1396,1418]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE1B4CFA19C9B1" box="[151,1436,1396,1418]" pageId="37" pageNumber="490">
9. Cirrus very long (&gt; 
<quantity id="4CB19B781852FFB763B31B4CFE62C9B1" box="[410,487,1396,1417]" metricMagnitude="-1" metricUnit="m" metricValue="1.0" pageId="37" pageNumber="490" unit="mm" value="100.0">100 µm</quantity>
)............................................................................ 10
</keyLead>
</paragraph>
<paragraph id="8BF6369D1852FFB762BE1BA9FA19C99E" blockId="37.[151,1437,868,2034]" box="[151,1436,1425,1447]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE1BA9FA19C99E" box="[151,1436,1425,1447]" pageId="37" pageNumber="490">
- Cirrus much shorter (&lt;
<quantity id="4CB19B781852FFB763951BA9FE78C99E" box="[444,509,1425,1447]" metricMagnitude="-2" metricUnit="m" metricValue="5.0" pageId="37" pageNumber="490" unit="mm" value="50.0">50 µm</quantity>
).......................................................................... 12
</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381852FFB762BE1B96FA19C9D9" pageId="37" pageNumber="490">
<paragraph id="8BF6369D1852FFB762BE1B96FA19C9FB" blockId="37.[151,1437,868,2034]" box="[151,1436,1454,1476]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE1B96FA19C9FB" box="[151,1436,1454,1476]" pageId="37" pageNumber="490">10. Cirrus winding, without sclerotised longitudinal folds....................................................... 11</keyLead>
</paragraph>
<paragraph id="8BF6369D1852FFB762BE1BF4FA19C9D9" blockId="37.[151,1437,868,2034]" box="[151,1436,1484,1506]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE1BF4FA19C9D9" box="[151,1436,1484,1506]" pageId="37" pageNumber="490">
- Cirrus not winding. Long, sclerotised folds are present............................................... 
<taxonomicName id="4C494D1E1852FFB767011BF4FA19C9D9" authorityName="Meixner" authorityYear="1929" box="[1320,1436,1484,1505]" class="Rhabditophora" family="Karkinorhynchidae" genus="Rhinepera" kingdom="Animalia" order="Rhabdocoela" pageId="37" pageNumber="490" phylum="Platyhelminthes" rank="species" species="vaginalis">
<emphasis id="B93DEA8F1852FFB767011BF4FA19C9D9" box="[1320,1436,1484,1505]" italics="true" pageId="37" pageNumber="490">C. vaginalis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381852FFB762BE1BD1FA18CA24" pageId="37" pageNumber="490">
<paragraph id="8BF6369D1852FFB762BE1BD1FA19C9C6" blockId="37.[151,1437,868,2034]" box="[151,1436,1513,1535]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE1BD1FA19C9C6" box="[151,1436,1513,1535]" pageId="37" pageNumber="490">
11. Cirrus with a distal sclerotised cap or papilla....................................................... 
<taxonomicName id="4C494D1E1852FFB767361BD1FA19C9C6" authorityName="Brunet" authorityYear="1968" box="[1311,1436,1513,1534]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="37" pageNumber="490" phylum="Platyhelminthes" rank="species" species="terminalis">
<emphasis id="B93DEA8F1852FFB767361BD1FA19C9C6" box="[1311,1436,1513,1534]" italics="true" pageId="37" pageNumber="490">C. terminalis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1852FFB762BE183FFA18CA24" blockId="37.[151,1437,868,2034]" box="[151,1437,1542,1564]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE183FFA18CA24" box="[151,1437,1542,1564]" pageId="37" pageNumber="490">
- Cirrus without a distal sclerotised cap................................................................ 
<taxonomicName id="4C494D1E1852FFB76767183FFA18CA24" authorityName="Marcus" authorityYear="1952" box="[1358,1437,1543,1564]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="37" pageNumber="490" phylum="Platyhelminthes" rank="species" species="asica">
<emphasis id="B93DEA8F1852FFB76767183FFA18CA24" box="[1358,1437,1543,1564]" italics="true" pageId="37" pageNumber="490">C. asica</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381852FFB762BE181CFA19CA4B" pageId="37" pageNumber="490">
<paragraph id="8BF6369D1852FFB762BE181CFA19CA6E" blockId="37.[151,1437,868,2034]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE181CFA19CA6E" pageId="37" pageNumber="490">
12. One of the seminal vesicles atrophied, without any connection to the testis and not containing sperm, the other one functional..................................................................................... 
<taxonomicName id="4C494D1E1852FFB766C11879FA19CA6E" authorityName="Diez, Reygel &amp; Artois" authorityYear="2019" box="[1256,1436,1601,1622]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="37" pageNumber="490" phylum="Platyhelminthes" rank="species" species="spuriaseminalis">
<emphasis id="B93DEA8F1852FFB766C11879FA19CA6E" box="[1256,1436,1601,1622]" italics="true" pageId="37" pageNumber="490">C. spuriaseminalis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1852FFB762BE1867FA19CA4B" blockId="37.[151,1437,868,2034]" box="[151,1436,1630,1652]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE1867FA19CA4B" box="[151,1436,1630,1652]" pageId="37" pageNumber="490">- Both seminal vesicles identical or not, but always functional and containing sperm................................ 13</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381852FFB762BE1844FA19CAD1" pageId="37" pageNumber="490">
<paragraph id="8BF6369D1852FFB762BE1844FA19CA96" blockId="37.[151,1437,868,2034]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE1844FA19CA96" pageId="37" pageNumber="490">
13. Cirrus with longitudinal ridges, visible as small stripes. Cirrus slightly curved at the proximal end. Vagina externa elongated and not divided into several compartments........................................................ 
<taxonomicName id="4C494D1E1852FFB7670918A1FA19CA96" authorityName="Brunet" authorityYear="1966" box="[1312,1436,1689,1710]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="37" pageNumber="490" phylum="Platyhelminthes" rank="species" species="rubescens">
<emphasis id="B93DEA8F1852FFB7670918A1FA19CA96" box="[1312,1436,1689,1710]" italics="true" pageId="37" pageNumber="490">C. rubescens</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1852FFB762BE188FFA19CAD1" blockId="37.[151,1437,868,2034]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE188FFA19CAD1" pageId="37" pageNumber="490">
- Cirrus lacking longitudinal ridges. Cirrus curved slightly distally. Vagina externa long, with a strongly developed musculature and proximally subdivided into three compartments................................................ 
<taxonomicName id="4C494D1E1852FFB7673518ECFA19CAD1" authorityName="Boaden" authorityYear="1965" box="[1308,1436,1748,1769]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="37" pageNumber="490" phylum="Platyhelminthes" rank="species" species="hypergyna">
<emphasis id="B93DEA8F1852FFB7673518ECFA19CAD1" box="[1308,1436,1748,1769]" italics="true" pageId="37" pageNumber="490">C. hypergyna</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381852FFB762BE18C9FA19CB1B" pageId="37" pageNumber="490">
<paragraph id="8BF6369D1852FFB762BE18C9FA19CB3F" blockId="37.[151,1437,868,2034]" box="[151,1436,1777,1799]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE18C9FA19CB3F" box="[151,1436,1777,1799]" pageId="37" pageNumber="490">14. One or more accessory cirri present apart from the cirrus itself................................................ 15</keyLead>
</paragraph>
<paragraph id="8BF6369D1852FFB762BE1937FA19CB1B" blockId="37.[151,1437,868,2034]" box="[151,1436,1806,1828]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE1937FA19CB1B" box="[151,1436,1806,1828]" pageId="37" pageNumber="490">- No accessory cirri present............................................................................. 17</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381852FFB762BE1913FA19CB67" pageId="37" pageNumber="490">
<paragraph id="8BF6369D1852FFB762BE1913FA19CB79" blockId="37.[151,1437,868,2034]" box="[151,1436,1835,1858]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE1913FA19CB79" box="[151,1436,1835,1858]" pageId="37" pageNumber="490">
15. One accessory cirrus, entirely armed with small spines. Three sclerotic spermatic ducts present............. 
<taxonomicName id="4C494D1E1852FFB7673D1914FA19CB79" authorityName="Ax" authorityYear="2008" box="[1300,1436,1836,1857]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="37" pageNumber="490" phylum="Platyhelminthes" rank="species" species="deverticula">
<emphasis id="B93DEA8F1852FFB7673D1914FA19CB79" box="[1300,1436,1836,1857]" italics="true" pageId="37" pageNumber="490">C. deverticula</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1852FFB762BE1971FA19CB67" blockId="37.[151,1437,868,2034]" box="[151,1436,1865,1887]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE1971FA19CB67" box="[151,1436,1865,1887]" pageId="37" pageNumber="490">- More than one accessory cirrus......................................................................... 16</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381852FFB762BE195EFA19CB8F" pageId="37" pageNumber="490">
<paragraph id="8BF6369D1852FFB762BE195EFA19CB43" blockId="37.[151,1437,868,2034]" box="[151,1436,1894,1916]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE195EFA19CB43" box="[151,1436,1894,1916]" pageId="37" pageNumber="490">
16. Two elongate accessory cirri, each armed with small spines on one side only, the other side unarmed............ 
<taxonomicName id="4C494D1E1852FFB76769195FFA19CB43" authorityName="Jouk &amp; De Vocht" authorityYear="1989" box="[1344,1436,1894,1916]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="37" pageNumber="490" phylum="Platyhelminthes" rank="species" species="textilis">
<emphasis id="B93DEA8F1852FFB76769195FFA19CB43" box="[1344,1436,1894,1916]" italics="true" pageId="37" pageNumber="490">C. textilis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1852FFB762BE19BCFA19CB8F" blockId="37.[151,1437,868,2034]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE19BCFA19CB8F" pageId="37" pageNumber="490">
- Three relatively large accessory cirri present. All accessory cirri armed with fine spines covering the entire inner surface................................................................................................. 
<taxonomicName id="4C494D1E1852FFB7676E1999FA19CB8F" authorityName="Gobert, Reygel &amp; Artois" authorityYear="2017" box="[1351,1436,1953,1975]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="37" pageNumber="490" phylum="Platyhelminthes" rank="species" species="curini">
<emphasis id="B93DEA8F1852FFB7676E1999FA19CB8F" box="[1351,1436,1953,1975]" italics="true" pageId="37" pageNumber="490">C. curini</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381852FFB462BE1986FA19CC95" lastPageId="38" lastPageNumber="491" pageId="37" pageNumber="490">
<paragraph id="8BF6369D1852FFB762BE1986FA19CBC9" blockId="37.[151,1437,868,2034]" pageId="37" pageNumber="490">
<keyLead id="30B895A81852FFB762BE1986FA19CBC9" pageId="37" pageNumber="490">17. Ejaculatory duct (including the cirrus) long to very long, with a smooth, sclerotised wall. Spiny part restricted to the distal end, often only to a small distal portion that is widened.......................................................... 18</keyLead>
</paragraph>
<paragraph id="8BF6369D1851FFB462BE1EA0FA19CC95" blockId="38.[151,1437,151,2021]" box="[151,1436,151,173]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1EA0FA19CC95" box="[151,1436,151,173]" pageId="38" pageNumber="491">- Ejaculatory duct shorter and/or armed with spines over its entire length......................................... 23</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381851FFB462BE1E8DFA19CCDF" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE1E8DFA19CCF2" blockId="38.[151,1437,151,2021]" box="[151,1436,181,203]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1E8DFA19CCF2" box="[151,1436,181,203]" pageId="38" pageNumber="491">18. Only a single seminal vesicle present..................................................................... 19</keyLead>
</paragraph>
<paragraph id="8BF6369D1851FFB462BE1EEBFA19CCDF" blockId="38.[151,1437,151,2021]" box="[151,1436,210,232]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1EEBFA19CCDF" box="[151,1436,210,232]" pageId="38" pageNumber="491">- Two seminal vesicles present........................................................................... 20</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381851FFB462BE1EC8FA19CD1A" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE1EC8FA19CD3C" blockId="38.[151,1437,151,2021]" box="[151,1436,239,261]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1EC8FA19CD3C" box="[151,1436,239,261]" pageId="38" pageNumber="491">
19. Seminal vesicle completely caudal, with copulatory bulb oriented forwards.............................. 
<taxonomicName id="4C494D1E1851FFB467371EC8FA19CD3C" authorityName="Diez, Reygel &amp; Artois" authorityYear="2019" box="[1310,1436,239,261]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="gibarenha">
<emphasis id="B93DEA8F1851FFB467371EC8FA19CD3C" box="[1310,1436,239,261]" italics="true" pageId="38" pageNumber="491">C. gibarenha</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1851FFB462BE1F35FA19CD1A" blockId="38.[151,1437,151,2021]" box="[151,1436,269,291]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1F35FA19CD1A" box="[151,1436,269,291]" pageId="38" pageNumber="491">
- Combination of traits not as described above......................................................... 
<taxonomicName id="4C494D1E1851FFB4671E1F35FA19CD1A" authorityName="Noldt" authorityYear="1989" box="[1335,1436,269,290]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="schilkei">
<emphasis id="B93DEA8F1851FFB4671E1F35FA19CD1A" box="[1335,1436,269,290]" italics="true" pageId="38" pageNumber="491">C. schilkei</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381851FFB462BE1F12FA19CD65" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE1F12FA19CD07" blockId="38.[151,1437,151,2021]" box="[151,1436,298,320]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1F12FA19CD07" box="[151,1436,298,320]" pageId="38" pageNumber="491">20. Ejaculatory duct relatively long, with a simple bend......................................................... 21</keyLead>
</paragraph>
<paragraph id="8BF6369D1851FFB462BE1F70FA19CD65" blockId="38.[151,1437,151,2021]" box="[151,1436,327,349]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1F70FA19CD65" box="[151,1436,327,349]" pageId="38" pageNumber="491">- Ejaculatory duct very long, with many bends or coiled....................................................... 22</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381851FFB462BE1F5DFA19CD8C" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE1F5DFA19CD42" blockId="38.[151,1437,151,2021]" box="[151,1436,357,379]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1F5DFA19CD42" box="[151,1436,357,379]" pageId="38" pageNumber="491">
21. Spiny part of the cirrus with strong spines, restricted to the most distal tip................................. 
<taxonomicName id="4C494D1E1851FFB467061F5DFA19CD42" authorityName="Brunet" authorityYear="1968" box="[1327,1436,357,378]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="hiemalis">
<emphasis id="B93DEA8F1851FFB467061F5DFA19CD42" box="[1327,1436,357,378]" italics="true" pageId="38" pageNumber="491">C. hiemalis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1851FFB462BE1FBBFA19CD8C" blockId="38.[151,1437,151,2021]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1FBBFA19CD8C" pageId="38" pageNumber="491">
- Spiny part of the cirrus longer and in two parts: a longer proximal part covered with small spines and a shorter distal part that is widened and covered by larger spines....................................................... 
<taxonomicName id="4C494D1E1851FFB466D01F98FA19CD8C" authorityName="Diez, Reygel &amp; Artois" authorityYear="2019" box="[1273,1436,415,437]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="subproximalis">
<emphasis id="B93DEA8F1851FFB466D01F98FA19CD8C" box="[1273,1436,415,437]" italics="true" pageId="38" pageNumber="491">C. subproximalis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381851FFB462BE1F85FA19CDC8" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE1F85FA19CDEA" blockId="38.[151,1437,151,2021]" box="[151,1436,445,467]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1F85FA19CDEA" box="[151,1436,445,467]" pageId="38" pageNumber="491">
22. Occurs around the 
<collectingRegion id="498DF87F1851FFB463B11F85FE78CDEB" box="[408,509,445,467]" country="Ecuador" name="Galapagos" pageId="38" pageNumber="491">Galápagos</collectingRegion>
archipelago.......................................................... 
<taxonomicName id="4C494D1E1851FFB4671A1F85FA19CDEA" authorityName="Noldt &amp; Hoxhold" authorityYear="1984" box="[1331,1436,445,466]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="pacifica">
<emphasis id="B93DEA8F1851FFB4671A1F85FA19CDEA" box="[1331,1436,445,466]" italics="true" pageId="38" pageNumber="491">C. pacifica</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1851FFB462BE1FE3FA19CDC8" blockId="38.[151,1437,151,2021]" box="[151,1436,474,496]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1FE3FA19CDC8" box="[151,1436,474,496]" pageId="38" pageNumber="491">
- Occurs in the Black Sea area.................................................................... 
<taxonomicName id="4C494D1E1851FFB467051FE2FA19CDC8" authorityName="Ax" authorityYear="1959" box="[1324,1436,474,496]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="euxeinos">
<emphasis id="B93DEA8F1851FFB467051FE2FA19CDC8" box="[1324,1436,474,496]" italics="true" pageId="38" pageNumber="491">C. euxeinos</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381851FFB462BE1FC0FA19CE5D" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE1FC0FA19CE7F" blockId="38.[151,1437,151,2021]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1FC0FA19CE7F" pageId="38" pageNumber="491">23. Ejaculatory duct widened in some places and distally forming a wound cirrus. Proximal part of the cirrus showing small spines; distal part armed with spines that increase in size towards the distal end. Distal point of the cirrus surrounded by a sclerotised cap................................................................................................ 24</keyLead>
</paragraph>
<paragraph id="8BF6369D1851FFB462BE1C68FA19CE5D" blockId="38.[151,1437,151,2021]" box="[151,1436,591,613]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1C68FA19CE5D" box="[151,1436,591,613]" pageId="38" pageNumber="491">- Female system without visible cap-shaped structure. Cirrus not as described above................................ 25</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381851FFB462BE1C55FA18CEE2" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE1C55FA19CE98" blockId="38.[151,1437,151,2021]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1C55FA19CE98" pageId="38" pageNumber="491">
24. Obvious, sperm-containing structure occurring alongside the ovary. Short sclerotised cap surrounding the cirrus.................................................................................................... 
<taxonomicName id="4C494D1E1851FFB467331CB2FA19CE98" authorityName="Schilke" authorityYear="1970" box="[1306,1436,650,672]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="curvocirro">
<emphasis id="B93DEA8F1851FFB467331CB2FA19CE98" box="[1306,1436,650,672]" italics="true" pageId="38" pageNumber="491">C. curvocirro</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1851FFB462BE1C90FA18CEE2" blockId="38.[151,1437,151,2021]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1C90FA18CEE2" pageId="38" pageNumber="491">
- Without such an obvious, sperm-containing structure. Long, urn-shaped sclerotised cap surrounding the cirrus.............................................................................................. 
<taxonomicName id="4C494D1E1851FFB466EF1CFDFAE4CEE2" authority="Gobert &amp; Diez &amp; Monnens &amp; Reygel &amp; Van Steenkiste &amp; Leander &amp; Artois, 2021" authorityName="Gobert &amp; Diez &amp; Monnens &amp; Reygel &amp; Van Steenkiste &amp; Leander &amp; Artois" authorityYear="2021" box="[1222,1377,709,730]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="curacaoensis" status="sp. nov.">
<emphasis id="B93DEA8F1851FFB466EF1CFDFAE4CEE2" box="[1222,1377,709,730]" italics="true" pageId="38" pageNumber="491">C. curacaoensis</emphasis>
</taxonomicName>
<emphasis id="B93DEA8F1851FFB4674F1CFDFA18CEE2" bold="true" box="[1382,1437,709,730]" pageId="38" pageNumber="491">
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</emphasis>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381851FFB462BE1CDAFA19CF0A" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE1CDAFA19CF2D" blockId="38.[151,1437,151,2021]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1CDAFA19CF2D" pageId="38" pageNumber="491">
25. Cirrus consisting of three distinct regions: a proximal part with very fine spines, a median region consisting of a ring of large hooks set in sclerotised ‘pockets’ and a relatively wide distal part with fine spines of up to 
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long.................. 26
</keyLead>
</paragraph>
<paragraph id="8BF6369D1851FFB462BE1D25FA19CF0A" blockId="38.[151,1437,151,2021]" box="[151,1436,797,819]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1D25FA19CF0A" box="[151,1436,797,819]" pageId="38" pageNumber="491">- Cirrus not as described above........................................................................... 28</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381851FFB462BE1D02FA19CF55" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE1D02FA19CF77" blockId="38.[151,1437,151,2021]" box="[151,1436,826,848]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1D02FA19CF77" box="[151,1436,826,848]" pageId="38" pageNumber="491">
26. Proximal cirrus region very short (~ 
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) and shorter than the distal part....................................... 27
</keyLead>
</paragraph>
<paragraph id="8BF6369D1851FFB462BE1D60FA19CF55" blockId="38.[151,1437,151,2021]" box="[151,1436,855,877]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1D60FA19CF55" box="[151,1436,855,877]" pageId="38" pageNumber="491">
- Cirrus with a long proximal part, ~ 
<quantity id="4CB19B781851FFB460191D6FFDEACF55" box="[560,623,855,877]" metricMagnitude="-2" metricUnit="m" metricValue="5.5" pageId="38" pageNumber="491" unit="mm" value="55.0">55 µm</quantity>
long. A pair of seminal vesicles present............................ 
<taxonomicName id="4C494D1E1851FFB4676D1D60FA19CF55" authorityName="Evdonin" authorityYear="1971" box="[1348,1436,856,877]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="setosa">
<emphasis id="B93DEA8F1851FFB4676D1D60FA19CF55" box="[1348,1436,856,877]" italics="true" pageId="38" pageNumber="491">C. setosa</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381851FFB462BE1D4DFA18CF9F" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE1D4DFA18CFB2" blockId="38.[151,1437,151,2021]" box="[151,1437,885,907]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1D4DFA18CFB2" box="[151,1437,885,907]" pageId="38" pageNumber="491">
27. Only a single seminal vesicle present.............................................................. 
<taxonomicName id="4C494D1E1851FFB467071D4DFA18CFB2" authorityName="Karling" authorityYear="1983" box="[1326,1437,885,906]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="evdonini">
<emphasis id="B93DEA8F1851FFB467071D4DFA18CFB2" box="[1326,1437,885,906]" italics="true" pageId="38" pageNumber="491">C. evdonini</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1851FFB462BE1DABFA18CF9F" blockId="38.[151,1437,151,2021]" box="[151,1437,914,936]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1DABFA18CF9F" box="[151,1437,914,936]" pageId="38" pageNumber="491">
- Two seminal vesicles present............................................................ 
<taxonomicName id="4C494D1E1851FFB466FA1DAAFAE5CF9F" authority="Gobert &amp; Diez &amp; Monnens &amp; Reygel &amp; Van Steenkiste &amp; Leander &amp; Artois, 2021" authorityName="Gobert &amp; Diez &amp; Monnens &amp; Reygel &amp; Van Steenkiste &amp; Leander &amp; Artois" authorityYear="2021" box="[1235,1376,914,935]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="hawaiiensis" status="sp. nov.">
<emphasis id="B93DEA8F1851FFB466FA1DAAFAE5CF9F" box="[1235,1376,914,935]" italics="true" pageId="38" pageNumber="491">C. hawaiiensis</emphasis>
</taxonomicName>
<emphasis id="B93DEA8F1851FFB4674F1DAAFA18CF9F" bold="true" box="[1382,1437,914,935]" pageId="38" pageNumber="491">
<taxonomicNameLabel id="A20E57F41851FFB4674F1DAAFA18CF9F" box="[1382,1437,914,935]" pageId="38" pageNumber="491" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381851FFB462BE1D88FA19CFDA" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE1D88FA19CFFD" blockId="38.[151,1437,151,2021]" box="[151,1436,943,965]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1D88FA19CFFD" box="[151,1436,943,965]" pageId="38" pageNumber="491">28. Only a single seminal vesicle present..................................................................... 29</keyLead>
</paragraph>
<paragraph id="8BF6369D1851FFB462BE1DF5FA19CFDA" blockId="38.[151,1437,151,2021]" box="[151,1436,973,995]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1DF5FA19CFDA" box="[151,1436,973,995]" pageId="38" pageNumber="491">- Two seminal vesicles present........................................................................... 31</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381851FFB462BE1DD2FA19C825" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE1DD2FA18CFC7" blockId="38.[151,1437,151,2021]" box="[151,1437,1002,1024]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1DD2FA18CFC7" box="[151,1437,1002,1024]" pageId="38" pageNumber="491">
29. Cirrus very short, ‘cup-shaped’. A thinly sclerotised penis papilla is present............................ 
<taxonomicName id="4C494D1E1851FFB467271DD2FAE4C838" authority="Gobert &amp; Diez &amp; Monnens &amp; Reygel &amp; Van Steenkiste &amp; Leander &amp; Artois, 2021" authorityName="Gobert &amp; Diez &amp; Monnens &amp; Reygel &amp; Van Steenkiste &amp; Leander &amp; Artois" authorityYear="2021" box="[1294,1377,1002,1024]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="mauii" status="sp. nov.">
<emphasis id="B93DEA8F1851FFB467271DD2FAE4C838" box="[1294,1377,1002,1024]" italics="true" pageId="38" pageNumber="491">C. mauii</emphasis>
</taxonomicName>
<emphasis id="B93DEA8F1851FFB4674F1DD2FA18CFC7" bold="true" box="[1382,1437,1002,1023]" pageId="38" pageNumber="491">
<taxonomicNameLabel id="A20E57F41851FFB4674F1DD2FA18CFC7" box="[1382,1437,1002,1023]" pageId="38" pageNumber="491" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1851FFB462BE1A30FA19C825" blockId="38.[151,1437,151,2021]" box="[151,1436,1031,1053]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1A30FA19C825" box="[151,1436,1031,1053]" pageId="38" pageNumber="491">- Cirrus not as described above........................................................................... 30</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381851FFB462BE1A1DFA19C8AA" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE1A1DFA19C860" blockId="38.[151,1437,151,2021]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1A1DFA19C860" pageId="38" pageNumber="491">
30. Cirrus consisting of three regions: a tubular part, armed with fine hooks; a distal part with larger spines; between these a girdle of spines set onto sclerotised plates with a cross-section of ~ 
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....................................... 
<taxonomicName id="4C494D1E1851FFB4671D1A7AFA19C860" authorityName="Karling" authorityYear="1956" box="[1332,1436,1090,1112]" class="Rhabditophora" family="Karkinorhynchidae" genus="Rhinepera" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="marcusi">
<emphasis id="B93DEA8F1851FFB4671D1A7AFA19C860" box="[1332,1436,1090,1112]" italics="true" pageId="38" pageNumber="491">C. marcusi</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1851FFB462BE1A58FA19C8AA" blockId="38.[151,1437,151,2021]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1A58FA19C8AA" pageId="38" pageNumber="491">
- Cirrus not with three clearly defined zones, slightly curved. The entire cirrus armed with slender, densely packed spines................................................................................................ 
<taxonomicName id="4C494D1E1851FFB4671B1A45FA19C8AA" authorityName="Karling" authorityYear="1983" baseAuthorityName="Meixner" baseAuthorityYear="1928" box="[1330,1436,1149,1170]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="remanei">
<emphasis id="B93DEA8F1851FFB4671B1A45FA19C8AA" box="[1330,1436,1149,1170]" italics="true" pageId="38" pageNumber="491">C. remanei</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381851FFB462BE1AA2FA19C8F5" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE1AA2FA19C897" blockId="38.[151,1437,151,2021]" box="[151,1436,1178,1200]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1AA2FA19C897" box="[151,1436,1178,1200]" pageId="38" pageNumber="491">31. Cirrus conspicuously wide and short, at most three times as long as it is wide..................................... 32</keyLead>
</paragraph>
<paragraph id="8BF6369D1851FFB462BE1A80FA19C8F5" blockId="38.[151,1437,151,2021]" box="[151,1436,1207,1229]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1A80FA19C8F5" box="[151,1436,1207,1229]" pageId="38" pageNumber="491">- Cirrus not conspicuously wide and/or short. Cirrus at least three times as long as wide.............................. 36</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381851FFB462BE1AEDFA19C93F" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE1AEDFA19C8D2" blockId="38.[151,1437,151,2021]" box="[151,1436,1237,1259]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1AEDFA19C8D2" box="[151,1436,1237,1259]" pageId="38" pageNumber="491">
32. Cirrus asymmetrically armed, with a crescent-shaped curve distally...................................... 
<taxonomicName id="4C494D1E1851FFB467161AEDFA19C8D2" authorityName="Brunet" authorityYear="1968" box="[1343,1436,1237,1258]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="pusilla">
<emphasis id="B93DEA8F1851FFB467161AEDFA19C8D2" box="[1343,1436,1237,1258]" italics="true" pageId="38" pageNumber="491">C. pusilla</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1851FFB462BE1ACBFA19C93F" blockId="38.[151,1437,151,2021]" box="[151,1436,1266,1288]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1ACBFA19C93F" box="[151,1436,1266,1288]" pageId="38" pageNumber="491">- Cirrus not as described above........................................................................... 33</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381851FFB462BE1B28FA19C97A" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE1B28FA19C91D" blockId="38.[151,1437,151,2021]" box="[151,1436,1295,1317]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1B28FA19C91D" box="[151,1436,1295,1317]" pageId="38" pageNumber="491">
33. Cirrus pear-shaped, with its widest part proximally.................................................. 
<taxonomicName id="4C494D1E1851FFB467091B28FA19C91D" authorityName="Brunet" authorityYear="1968" box="[1312,1436,1296,1317]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="piriformis">
<emphasis id="B93DEA8F1851FFB467091B28FA19C91D" box="[1312,1436,1296,1317]" italics="true" pageId="38" pageNumber="491">C. piriformis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1851FFB462BE1B15FA19C97A" blockId="38.[151,1437,151,2021]" box="[151,1436,1325,1347]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1B15FA19C97A" box="[151,1436,1325,1347]" pageId="38" pageNumber="491">- Cirrus not pear-shaped................................................................................ 34</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381851FFB462BE1B72FA19C980" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE1B72FA19C945" blockId="38.[151,1437,151,2021]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1B72FA19C945" pageId="38" pageNumber="491">34. Armed part of the cirrus with 5–7-µm-long spines distally. Distally, the cirrus transitions into an unarmed channel of roughly the same length as the cirrus, ending in a small, non-sclerotised penis papilla..................................... 35</keyLead>
</paragraph>
<paragraph id="8BF6369D1851FFB462BE1BBDFA19C980" blockId="38.[151,1437,151,2021]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1BBDFA19C980" pageId="38" pageNumber="491">
- Cirrus not as described above, but rather barrel-shaped, with spines of 
<quantity id="4CB19B781851FFB461811BBDFB82C9A2" box="[936,1031,1413,1435]" metricMagnitude="-3" metricUnit="m" metricValue="1.75" metricValueMax="2.0" metricValueMin="1.5" pageId="38" pageNumber="491" unit="mm" value="1.75" valueMax="2.0" valueMin="1.5">1.5–2 µm</quantity>
long. Ejaculatory duct slightly widened, directly proximal to the cirrus. Walls of this expansion possibly to some degree sclerotised................ 
<taxonomicName id="4C494D1E1851FFB467391B9AFA19C980" authorityName="Noldt" authorityYear="1989" box="[1296,1436,1442,1464]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="microcirrus">
<emphasis id="B93DEA8F1851FFB467391B9AFA19C980" box="[1296,1436,1442,1464]" italics="true" pageId="38" pageNumber="491">C. microcirrus</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
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<keyLead id="30B895A81851FFB462BE1B87FA18C9CA" pageId="38" pageNumber="491">
35. Entire copulatory bulb measuring ~ 
<quantity id="4CB19B781851FFB4601E1B87FD03C9ED" box="[567,646,1471,1493]" metricMagnitude="-1" metricUnit="m" metricValue="2.5" pageId="38" pageNumber="491" unit="mm" value="250.0">250 µm</quantity>
, with an internal seminal vesicle, consisting of a single part. Cirrus with spines of uniform length, organised in a large number of longitudinal rows..................................... 
<taxonomicName id="4C494D1E1851FFB467331BE5FA18C9CA" authorityName="Noldt" authorityYear="1989" box="[1306,1437,1501,1522]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="gemmifera">
<emphasis id="B93DEA8F1851FFB467331BE5FA18C9CA" box="[1306,1437,1501,1522]" italics="true" pageId="38" pageNumber="491">C. gemmifera</emphasis>
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</paragraph>
<paragraph id="8BF6369D1851FFB462BE1BC3FA19CA72" blockId="38.[151,1437,151,2021]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1BC3FA19CA72" pageId="38" pageNumber="491">
- Entire copulatory bulb ~ 
<quantity id="4CB19B781851FFB463FD1BC2FD93CA28" box="[468,534,1530,1552]" metricMagnitude="-2" metricUnit="m" metricValue="8.0" pageId="38" pageNumber="491" unit="mm" value="80.0">80 µm</quantity>
long. Internal seminal vesicle present and consisting of two separate lobes. Hard ring-like structures are present in the ejaculatory duct. Cirrus spines organised in 7–8 longitudinal rows. Spines 
<quantity id="4CB19B781851FFB466B61820FB7ACA15" box="[1183,1279,1560,1581]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" metricValueMax="1.4" metricValueMin="1.0" pageId="38" pageNumber="491" unit="mm" value="12.0" valueMax="14.0" valueMin="10.0">10–14 µm</quantity>
long proximally and 
<quantity id="4CB19B781851FFB46322180DFED0CA72" box="[267,341,1589,1611]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" metricValueMax="7.0" metricValueMin="5.0" pageId="38" pageNumber="491" unit="mm" value="6.0" valueMax="7.0" valueMin="5.0">5–7 µm</quantity>
distally.......................................................................... 
<taxonomicName id="4C494D1E1851FFB46736180DFA19CA72" authorityName="Evdonin" authorityYear="1977" box="[1311,1436,1589,1610]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="mamkaevi">
<emphasis id="B93DEA8F1851FFB46736180DFA19CA72" box="[1311,1436,1589,1610]" italics="true" pageId="38" pageNumber="491">C. mamkaevi</emphasis>
</taxonomicName>
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</keyStep>
<keyStep id="30BD2E381851FFB462BE186AFA19CA9A" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE186AFA18CABC" blockId="38.[151,1437,151,2021]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE186AFA18CABC" pageId="38" pageNumber="491">
36. Male atrium with a blindly ending diverticulum. Prostatic vesicle emptying virtually directly into the cirrus. Cirrus measuring 45–50 μm, with the distal end surrounded by a sclerotised papilla........................................ 
<taxonomicName id="4C494D1E1851FFB467171848FA18CABC" authorityName="Jouk &amp; De Vocht" authorityYear="1989" box="[1342,1437,1647,1669]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="pileola">
<emphasis id="B93DEA8F1851FFB467171848FA18CABC" box="[1342,1437,1647,1669]" italics="true" pageId="38" pageNumber="491">C. pileola</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1851FFB462BE18B5FA19CA9A" blockId="38.[151,1437,151,2021]" box="[151,1436,1677,1699]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE18B5FA19CA9A" box="[151,1436,1677,1699]" pageId="38" pageNumber="491">- Male atrium without diverticle. Cirrus not as described above................................................. 37</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381851FFB462BE1892FA19CAC2" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE1892FA18CAE5" blockId="38.[151,1437,151,2021]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1892FA18CAE5" pageId="38" pageNumber="491">
37. Cirrus consisting of a rigid, tubular proximal part and a shorter distal, crescent-shaped region, armed with both fine and larger, lamellar spines....................................................................... 
<taxonomicName id="4C494D1E1851FFB466E218F0FAE5CAE5" authority="Gobert &amp; Diez &amp; Monnens &amp; Reygel &amp; Van Steenkiste &amp; Leander &amp; Artois, 2021" authorityName="Gobert &amp; Diez &amp; Monnens &amp; Reygel &amp; Van Steenkiste &amp; Leander &amp; Artois" authorityYear="2021" box="[1227,1376,1736,1757]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="asinaraensis" status="sp. nov.">
<emphasis id="B93DEA8F1851FFB466E218F0FAE5CAE5" box="[1227,1376,1736,1757]" italics="true" pageId="38" pageNumber="491">C. asinaraensis</emphasis>
</taxonomicName>
<emphasis id="B93DEA8F1851FFB4674F18F0FA18CAE5" bold="true" box="[1382,1437,1736,1757]" pageId="38" pageNumber="491">
<taxonomicNameLabel id="A20E57F41851FFB4674F18F0FA18CAE5" box="[1382,1437,1736,1757]" pageId="38" pageNumber="491" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1851FFB462BE18DDFA19CAC2" blockId="38.[151,1437,151,2021]" box="[151,1436,1765,1787]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE18DDFA19CAC2" box="[151,1436,1765,1787]" pageId="38" pageNumber="491">- Cirrus not as described above........................................................................... 38</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381851FFB462BE193AFA19CB6A" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE193AFA18CB0D" blockId="38.[151,1437,151,2021]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE193AFA18CB0D" pageId="38" pageNumber="491">
38. Cirrus rod-shaped, ~30-µm-long and uniform in width. Proboscis with a sclerotised base proximal to the hook supports................................................................................................. 
<taxonomicName id="4C494D1E1851FFB467131918FA18CB0D" authorityName="Brunet" authorityYear="1968" box="[1338,1437,1824,1845]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="firmata">
<emphasis id="B93DEA8F1851FFB467131918FA18CB0D" box="[1338,1437,1824,1845]" italics="true" pageId="38" pageNumber="491">C. firmata</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1851FFB462BE1905FA19CB6A" blockId="38.[151,1437,151,2021]" box="[151,1436,1853,1875]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1905FA19CB6A" box="[151,1436,1853,1875]" pageId="38" pageNumber="491">- Cirrus not as described above........................................................................... 39</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381851FFB462BE1962FA19CBFF" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE1962FA19CB92" blockId="38.[151,1437,151,2021]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE1962FA19CB92" pageId="38" pageNumber="491">
39. Proximally to the armed cirrus, the ejaculatory duct is sclerotised to form a fine, sclerotised tube. Cirrus 
<quantity id="4CB19B781851FFB466F81962FAB1CB48" box="[1233,1332,1882,1904]" metricMagnitude="-2" metricUnit="m" metricValue="2.25" metricValueMax="2.5" metricValueMin="2.0" pageId="38" pageNumber="491" unit="mm" value="22.5" valueMax="25.0" valueMin="20.0">20–25 µm</quantity>
long, with spines measuring 
<quantity id="4CB19B781851FFB463A71940FE5ECBB5" box="[398,475,1912,1933]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" metricValueMax="3.0" metricValueMin="2.0" pageId="38" pageNumber="491" unit="mm" value="2.5" valueMax="3.0" valueMin="2.0">2–3 µm</quantity>
. Distal cirrus end consisting of a sclerotised tube of ~ 
<quantity id="4CB19B781851FFB461F71940FB9ACBB5" box="[990,1055,1912,1933]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" pageId="38" pageNumber="491" unit="mm" value="12.0">12 µm</quantity>
, surrounded by a cap or papilla........................................................................................... 
<taxonomicName id="4C494D1E1851FFB466C119ADFA19CB92" authorityName="Noldt &amp; Hoxhold" authorityYear="1984" box="[1256,1436,1941,1962]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="38" pageNumber="491" phylum="Platyhelminthes" rank="species" species="barringtonensis">
<emphasis id="B93DEA8F1851FFB466C119ADFA19CB92" box="[1256,1436,1941,1962]" italics="true" pageId="38" pageNumber="491">C. barringtonensis</emphasis>
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</paragraph>
<paragraph id="8BF6369D1851FFB462BE198BFA19CBFF" blockId="38.[151,1437,151,2021]" box="[151,1436,1970,1992]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE198BFA19CBFF" box="[151,1436,1970,1992]" pageId="38" pageNumber="491">- Cirrus and ejaculatory duct not as described above.......................................................... 40</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381851FFB562BE19E8FA19CC95" lastPageId="39" lastPageNumber="492" pageId="38" pageNumber="491">
<paragraph id="8BF6369D1851FFB462BE19E8FA19CBDD" blockId="38.[151,1437,151,2021]" box="[151,1436,1999,2021]" pageId="38" pageNumber="491">
<keyLead id="30B895A81851FFB462BE19E8FA19CBDD" box="[151,1436,1999,2021]" pageId="38" pageNumber="491">40. Cirrus curved or sinusoidal............................................................................. 41</keyLead>
</paragraph>
<paragraph id="8BF6369D1850FFB562BE1EA0FA19CC95" blockId="39.[151,1437,151,819]" box="[151,1436,151,173]" pageId="39" pageNumber="492">
<keyLead id="30B895A81850FFB562BE1EA0FA19CC95" box="[151,1436,151,173]" pageId="39" pageNumber="492">- Cirrus straight, without curves.......................................................................... 45</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381850FFB562BE1E8DFA19CD3D" pageId="39" pageNumber="492">
<paragraph id="8BF6369D1850FFB562BE1E8DFA19CCF2" blockId="39.[151,1437,151,819]" box="[151,1436,181,203]" pageId="39" pageNumber="492">
<keyLead id="30B895A81850FFB562BE1E8DFA19CCF2" box="[151,1436,181,203]" pageId="39" pageNumber="492">41. Vagina not obvious on live specimens. Tail never elongated................................................... 42</keyLead>
</paragraph>
<paragraph id="8BF6369D1850FFB562BE1EEBFA19CD3D" blockId="39.[151,1437,151,819]" pageId="39" pageNumber="492">
<keyLead id="30B895A81850FFB562BE1EEBFA19CD3D" pageId="39" pageNumber="492">
- Posterior third of the body sometimes elongated into a long tail. Vagina clearly visible on live specimens. 
<collectingRegion id="498DF87F1850FFB566CA1EEBFA9ECCD0" box="[1251,1307,211,232]" country="Turkey" name="Bursa" pageId="39" pageNumber="492">Bursa</collectingRegion>
connected to the ovary via three sclerotised spermatic ducts............................................................. 44
</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381850FFB562BE1F35FA19CD07" pageId="39" pageNumber="492">
<paragraph id="8BF6369D1850FFB562BE1F35FA19CD1A" blockId="39.[151,1437,151,819]" box="[151,1436,269,291]" pageId="39" pageNumber="492">
<keyLead id="30B895A81850FFB562BE1F35FA19CD1A" box="[151,1436,269,291]" pageId="39" pageNumber="492">42. Cirrus with a highly distinct curve or loop................................................................. 43</keyLead>
</paragraph>
<paragraph id="8BF6369D1850FFB562BE1F13FA19CD07" blockId="39.[151,1437,151,819]" box="[151,1436,298,320]" pageId="39" pageNumber="492">
<keyLead id="30B895A81850FFB562BE1F13FA19CD07" box="[151,1436,298,320]" pageId="39" pageNumber="492">
- Cirrus sinusoidal........................................................................... 
<taxonomicName id="4C494D1E1850FFB567391F12FA19CD07" authorityName="de Beauchamp" authorityYear="1927" box="[1296,1436,298,319]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="39" pageNumber="492" phylum="Platyhelminthes" rank="species" species="vestibularis">
<emphasis id="B93DEA8F1850FFB567391F12FA19CD07" box="[1296,1436,298,319]" italics="true" pageId="39" pageNumber="492">C. vestibularis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381850FFB562BE1F70FA18CDAF" pageId="39" pageNumber="492">
<paragraph id="8BF6369D1850FFB562BE1F70FA18CD42" blockId="39.[151,1437,151,819]" pageId="39" pageNumber="492">
<keyLead id="30B895A81850FFB562BE1F70FA18CD42" pageId="39" pageNumber="492">
43. Cirrus slender and very long, showing a distinct loop. Copulatory bulb showing transverse ridges or stripes................................................................................................... 
<taxonomicName id="4C494D1E1850FFB566F51F5DFAE5CD42" authority="Gobert &amp; Diez &amp; Monnens &amp; Reygel &amp; Van Steenkiste &amp; Leander &amp; Artois, 2021" authorityName="Gobert &amp; Diez &amp; Monnens &amp; Reygel &amp; Van Steenkiste &amp; Leander &amp; Artois" authorityYear="2021" box="[1244,1376,357,378]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="39" pageNumber="492" phylum="Platyhelminthes" rank="species" species="longissima" status="sp. nov.">
<emphasis id="B93DEA8F1850FFB566F51F5DFAE5CD42" box="[1244,1376,357,378]" italics="true" pageId="39" pageNumber="492">C. longissima</emphasis>
</taxonomicName>
<emphasis id="B93DEA8F1850FFB5674F1F5DFA18CD42" bold="true" box="[1382,1437,357,378]" pageId="39" pageNumber="492">
<taxonomicNameLabel id="A20E57F41850FFB5674F1F5DFA18CD42" box="[1382,1437,357,378]" pageId="39" pageNumber="492" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1850FFB562BE1FBBFA18CDAF" blockId="39.[151,1437,151,819]" box="[151,1437,386,408]" pageId="39" pageNumber="492">
<keyLead id="30B895A81850FFB562BE1FBBFA18CDAF" box="[151,1437,386,408]" pageId="39" pageNumber="492">
- Cirrus with a characteristic U-bend in the distal half. Distalmost part of the cirrus somewhat widened...... 
<taxonomicName id="4C494D1E1850FFB566D71FBAFAE4CDAF" authority="Gobert &amp; Diez &amp; Monnens &amp; Reygel &amp; Van Steenkiste &amp; Leander &amp; Artois, 2021" authorityName="Gobert &amp; Diez &amp; Monnens &amp; Reygel &amp; Van Steenkiste &amp; Leander &amp; Artois" authorityYear="2021" box="[1278,1377,386,407]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="39" pageNumber="492" phylum="Platyhelminthes" rank="species" species="cubana" status="sp. nov.">
<emphasis id="B93DEA8F1850FFB566D71FBAFAE4CDAF" box="[1278,1377,386,407]" italics="true" pageId="39" pageNumber="492">C. cubana</emphasis>
</taxonomicName>
<emphasis id="B93DEA8F1850FFB5674F1FBAFA18CDAF" bold="true" box="[1382,1437,386,407]" pageId="39" pageNumber="492">
<taxonomicNameLabel id="A20E57F41850FFB5674F1FBAFA18CDAF" box="[1382,1437,386,407]" pageId="39" pageNumber="492" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381850FFB562BE1F98FA18CDEA" pageId="39" pageNumber="492">
<paragraph id="8BF6369D1850FFB562BE1F98FA19CD8C" blockId="39.[151,1437,151,819]" box="[151,1436,415,437]" pageId="39" pageNumber="492">
<keyLead id="30B895A81850FFB562BE1F98FA19CD8C" box="[151,1436,415,437]" pageId="39" pageNumber="492">
44. Two functional seminal vesicles................................................................. 
<taxonomicName id="4C494D1E1850FFB567361F98FA19CD8C" authorityName="Brunet" authorityYear="1971" box="[1311,1436,415,437]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="39" pageNumber="492" phylum="Platyhelminthes" rank="species" species="varicauda">
<emphasis id="B93DEA8F1850FFB567361F98FA19CD8C" box="[1311,1436,415,437]" italics="true" pageId="39" pageNumber="492">C. varicauda</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1850FFB562BE1F85FA18CDEA" blockId="39.[151,1437,151,819]" box="[151,1437,445,467]" pageId="39" pageNumber="492">
<keyLead id="30B895A81850FFB562BE1F85FA18CDEA" box="[151,1437,445,467]" pageId="39" pageNumber="492">
- One functional seminal vesicle, sometimes a second, smaller, blindly ending seminal vesicle present.......... 
<taxonomicName id="4C494D1E1850FFB5670F1F85FA18CDEA" authorityName="Gobert, Reygel &amp; Artois" authorityYear="2017" box="[1318,1437,445,466]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="39" pageNumber="492" phylum="Platyhelminthes" rank="species" species="sarnensis">
<emphasis id="B93DEA8F1850FFB5670F1F85FA18CDEA" box="[1318,1437,445,466]" italics="true" pageId="39" pageNumber="492">C. sarnensis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381850FFB562BE1FE2FA19CE13" pageId="39" pageNumber="492">
<paragraph id="8BF6369D1850FFB562BE1FE2FA19CE34" blockId="39.[151,1437,151,819]" pageId="39" pageNumber="492">
<keyLead id="30B895A81850FFB562BE1FE2FA19CE34" pageId="39" pageNumber="492">
45. Cirrus ~ 
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long and completely armed. Spines’ size decreasing towards the distal end. A pair of incompletely fused testes present alongside the pharynx................................................................. 
<taxonomicName id="4C494D1E1850FFB567351FC0FA19CE34" authorityName="Ax" authorityYear="1959" box="[1308,1436,503,525]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="39" pageNumber="492" phylum="Platyhelminthes" rank="species" species="orthocirra">
<emphasis id="B93DEA8F1850FFB567351FC0FA19CE34" box="[1308,1436,503,525]" italics="true" pageId="39" pageNumber="492">C. orthocirra</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1850FFB562BE1C2DFA19CE13" blockId="39.[151,1437,151,819]" box="[151,1436,533,555]" pageId="39" pageNumber="492">
<keyLead id="30B895A81850FFB562BE1C2DFA19CE13" box="[151,1436,533,555]" pageId="39" pageNumber="492">
- Cirrus 
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long, not as described above............................................................. 46
</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381850FFB562BE1C0AFA19CEBA" pageId="39" pageNumber="492">
<paragraph id="8BF6369D1850FFB562BE1C0AFA18CE5D" blockId="39.[151,1437,151,819]" pageId="39" pageNumber="492">
<keyLead id="30B895A81850FFB562BE1C0AFA18CE5D" pageId="39" pageNumber="492">
46. Cirrus with spines of varying thickness and length: proximal spines very short, medial spines long, distal spines short again. Extreme distal end of the cirrus thinly sclerotised and folded over to form a short penis papilla.............. 
<taxonomicName id="4C494D1E1850FFB5673B1C68FA18CE5D" authorityName="Gobert, Reygel &amp; Artois" authorityYear="2017" box="[1298,1437,592,613]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="39" pageNumber="492" phylum="Platyhelminthes" rank="species" species="canariensis">
<emphasis id="B93DEA8F1850FFB5673B1C68FA18CE5D" box="[1298,1437,592,613]" italics="true" pageId="39" pageNumber="492">C. canariensis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1850FFB562BE1C55FA19CEBA" blockId="39.[151,1437,151,819]" box="[151,1436,621,643]" pageId="39" pageNumber="492">
<keyLead id="30B895A81850FFB562BE1C55FA19CEBA" box="[151,1436,621,643]" pageId="39" pageNumber="492">- Cirrus not as described above, cirrus spines all equal in size................................................... 47</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381850FFB562BE1CB2FA19CECF" pageId="39" pageNumber="492">
<paragraph id="8BF6369D1850FFB562BE1CB2FA19CEE2" blockId="39.[151,1437,151,819]" pageId="39" pageNumber="492">
<keyLead id="30B895A81850FFB562BE1CB2FA19CEE2" pageId="39" pageNumber="492">
47. Testes clearly paired, on opposite sides of the pharynx and with a connection anterior to the pharynx. Cirrus ~ 
<quantity id="4CB19B781850FFB5672A1CB2FAC7CE98" box="[1283,1346,650,672]" metricMagnitude="-2" metricUnit="m" metricValue="4.5" pageId="39" pageNumber="492" unit="mm" value="45.0">45 µm</quantity>
long and asymmetrically armed: spines increasing in length toward the distal end on one side, spines decreasing in length toward the distal end on the other side.................................................................... 
<taxonomicName id="4C494D1E1850FFB5673E1CFDFA19CEE2" authorityName="Karling" authorityYear="1989" box="[1303,1436,709,730]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="39" pageNumber="492" phylum="Platyhelminthes" rank="species" species="californica">
<emphasis id="B93DEA8F1850FFB5673E1CFDFA19CEE2" box="[1303,1436,709,730]" italics="true" pageId="39" pageNumber="492">C. californica</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8BF6369D1850FFB562BE1CDBFA19CECF" blockId="39.[151,1437,151,819]" box="[151,1436,738,760]" pageId="39" pageNumber="492">
<keyLead id="30B895A81850FFB562BE1CDBFA19CECF" box="[151,1436,738,760]" pageId="39" pageNumber="492">- Only one testis present. Cirrus not as described above........................................................ 48</keyLead>
</paragraph>
</keyStep>
<keyStep id="30BD2E381850FFB562BE1D38FA18CF0A" pageId="39" pageNumber="492">
<paragraph id="8BF6369D1850FFB562BE1D38FA18CF2C" blockId="39.[151,1437,151,819]" box="[151,1437,767,789]" pageId="39" pageNumber="492">
<keyLead id="30B895A81850FFB562BE1D38FA18CF2C" box="[151,1437,767,789]" pageId="39" pageNumber="492">
48. Cirrus ~ 
<quantity id="4CB19B781850FFB563191CC7FEEACF2D" box="[304,367,767,789]" metricMagnitude="-2" metricUnit="m" metricValue="7.5" pageId="39" pageNumber="492" unit="mm" value="75.0">75 µm</quantity>
long. Distal part of the cirrus unarmed and evertable to form a small penis papilla............ 
<taxonomicName id="4C494D1E1850FFB567331D38FA18CF2C" authorityName="Karling" authorityYear="1989" box="[1306,1437,767,789]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="39" pageNumber="492" phylum="Platyhelminthes" rank="species" species="elkhornica">
<emphasis id="B93DEA8F1850FFB567331D38FA18CF2C" box="[1306,1437,767,789]" italics="true" pageId="39" pageNumber="492">C. elkhornica</emphasis>
</taxonomicName>
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</paragraph>
<paragraph id="8BF6369D1850FFB562BE1D25FA18CF0A" blockId="39.[151,1437,151,819]" box="[151,1437,797,819]" pageId="39" pageNumber="492">
<keyLead id="30B895A81850FFB562BE1D25FA18CF0A" box="[151,1437,797,819]" pageId="39" pageNumber="492">
- Cirrus ~ 
<quantity id="4CB19B781850FFB563191D25FEEACF0A" box="[304,367,797,819]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" pageId="39" pageNumber="492" unit="mm" value="25.0">25 µm</quantity>
long........................................................................ 
<taxonomicName id="4C494D1E1850FFB567271D25FA18CF0A" authorityName="Diez, Reygel &amp; Artois" authorityYear="2019" box="[1294,1437,797,818]" class="Rhabditophora" family="Karkinorhynchidae" genus="Cheliplana" kingdom="Animalia" order="Rhabdocoela" pageId="39" pageNumber="492" phylum="Platyhelminthes" rank="species" species="santiaguera">
<emphasis id="B93DEA8F1850FFB567271D25FA18CF0A" box="[1294,1437,797,818]" italics="true" pageId="39" pageNumber="492">C. santiaguera</emphasis>
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</key>
</subSubSection>
</treatment>
</document>