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<document id="26064086795AD608E5CAEF37B0D3980C" ID-CLB-Dataset="46182" ID-DOI="10.11646/zootaxa.3780.1.4" ID-GBIF-Dataset="575e1e54-5332-4e35-bcc3-dc9daa320948" ID-ISSN="1175-5326" ID-Zenodo-Dep="250025" ID-ZooBank="E1E25433-72CD-4592-B9C2-62F4D11F2D82" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460399537164" checkinUser="plazi" docAuthor="Marquina, Daniel, Osca, David, Rodríguez, Jorge, Fernández-Despiau, Estrella &amp; Noreña, Carolina" docDate="2014" docId="BD77527AFF993A6E1CBD45178A89FE12" docLanguage="en" docName="zt03780p134.pdf" docOrigin="Zootaxa 3780 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Planocera graffi Lang 1879" docType="treatment" docVersion="9" lastPageNumber="120" masterDocId="414E2A02FF923A631C2A40248971FFDD" masterDocTitle="State of knowledge of the Acotylea (Polycladida, Platyhelminthes) from the Mediterranean coasts of Spain: new records and new species" masterLastPageNumber="134" masterPageNumber="108" pageNumber="119" updateTime="1698299052494" updateUser="ExternalLinkService">
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<mods:title id="EDD0435ABED094AACEFFEDB2813E89F2">State of knowledge of the Acotylea (Polycladida, Platyhelminthes) from the Mediterranean coasts of Spain: new records and new species</mods:title>
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<mods:namePart id="52A91B22E6598D8F329CAE5778AC1DFE">Marquina, Daniel</mods:namePart>
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<mods:namePart id="4A0221FF16754E6755C74394A0C4A176">Osca, David</mods:namePart>
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<mods:namePart id="7AB1B19A61EE8DE2531266A7207190F4">Rodríguez, Jorge</mods:namePart>
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<mods:namePart id="EACF40A2E869CFF5A03025F570FF546D">Fernández-Despiau, Estrella</mods:namePart>
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<mods:namePart id="9B0C6425124F247AC4F369792EA805F0">Noreña, Carolina</mods:namePart>
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<treatment id="BD77527AFF993A6E1CBD45178A89FE12" ID-DOI="http://doi.org/10.5281/zenodo.6142172" ID-GBIF-Taxon="119419091" ID-Zenodo-Dep="6142172" LSID="urn:lsid:plazi:treatment:BD77527AFF993A6E1CBD45178A89FE12" httpUri="http://treatment.plazi.org/id/BD77527AFF993A6E1CBD45178A89FE12" lastPageId="13" lastPageNumber="120" pageId="11" pageNumber="119">
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<paragraph id="3561E36CFF993A681CBD45178881FA90" blockId="11.[151,496,1331,1390]" box="[151,496,1331,1357]" pageId="11" pageNumber="119">
<heading id="6E295400FF993A681CBD45178881FA90" bold="true" box="[151,496,1331,1357]" fontSize="11" level="1" pageId="11" pageNumber="119" reason="1">
<taxonomicName id="F2DE98EFFF993A681CBD45178881FA90" ID-CoL="4JK6Y" authority="Lang, 1879" authorityName="Lang" authorityYear="1879" box="[151,496,1331,1357]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="11" pageNumber="119" phylum="Platyhelminthes" rank="species" species="graffi">
<emphasis id="07AA3F7EFF993A681CBD45178881FA90" bold="true" box="[151,496,1331,1357]" pageId="11" pageNumber="119">
<emphasis id="07AA3F7EFF993A681CBD4517882FFA90" bold="true" box="[151,350,1331,1357]" italics="true" pageId="11" pageNumber="119">Planocera graffi</emphasis>
<bibRefCitation id="514F9E9DFF993A681D4F45178881FA90" author="Lang" box="[357,496,1331,1357]" pageId="11" pageNumber="119" refString="Lang, A. (1879) Untersuchungen vergleichenden Anatomie und Histologie des Nervensystems der Plathelminthen. I. Das Nervensystem der marinen Dendrocoelen. Mitteilungen aus der Zoologischen Station zu Neapel, 1, 459 - 488." type="journal article" year="1879">Lang, 1879</bibRefCitation>
</emphasis>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="3561E36CFF993A681CBD45718820FAB3" blockId="11.[151,496,1331,1390]" box="[151,337,1365,1390]" pageId="11" pageNumber="119">
<figureCitation id="ADE5FFE9FF993A681CBD45718992FAB3" box="[151,227,1365,1390]" captionStart="FIGURE 1" captionStartId="4.[151,250,1906,1928]" captionTargetBox="[275,1322,195,1873]" captionTargetId="figure@4.[269,1325,195,1878]" captionTargetPageId="4" captionText="FIGURE 1. Distribution map of examined specimens. General views of A the eastern coast of the Iberian Peninsula, B Mar Menor (Murcia). Numbers: Notoplanella inarmata (1), Notoplanella estelae sp. nov. (2), Trigonoporus cephalophtalmus (3), Leptoplana mediterranea (4), Planocera graffi (5), Imogine mediterranea (6), Imogine stellae sp. nov. (7), Stylochus neapolitanus (8), Stylochus pilidium (9)." httpUri="https://zenodo.org/record/250026/files/figure.png" pageId="11" pageNumber="119">Figs. 1</figureCitation>
(5), 9, 10
</paragraph>
</subSubSection>
<subSubSection id="7DC4B0E7FF993A681CBD45B98B88F8BB" pageId="11" pageNumber="119" type="materials_examined">
<paragraph id="3561E36CFF993A681CBD45B98BB0FA07" blockId="11.[151,1436,1437,2002]" pageId="11" pageNumber="119">
<emphasis id="07AA3F7EFF993A681CBD45B98848FA6B" bold="true" box="[151,313,1437,1462]" pageId="11" pageNumber="119">
<typeStatus id="EA655DCEFF993A681CBD45B989A3FA6B" box="[151,210,1437,1462]" pageId="11" pageNumber="119">Type</typeStatus>
locality.
</emphasis>
Gulf of Naples, associated with other invertebrates such as
<taxonomicName id="F2DE98EFFF993A681FD345B98C18FA6B" authority="Halichondria, Penares" authorityName="Halichondria, Penares" box="[1017,1385,1437,1462]" class="Maxillopoda" family="Balanidae" genus="Balanus" kingdom="Animalia" order="Sessilia" pageId="11" pageNumber="119" phylum="Arthropoda" rank="genus">
<emphasis id="07AA3F7EFF993A681FD345B98C18FA6B" box="[1017,1385,1437,1462]" italics="true" pageId="11" pageNumber="119">Balanus, Halichondria, Penares</emphasis>
</taxonomicName>
and
<taxonomicName id="F2DE98EFFF993A681CBD45E5886AFA07" box="[151,283,1473,1498]" class="Bivalvia" family="Mytilidae" genus="Lithodomus" higherTaxonomySource="CoL" kingdom="Animalia" order="Mytilida" pageId="11" pageNumber="119" phylum="Mollusca" rank="genus">
<emphasis id="07AA3F7EFF993A681CBD45E5886AFA07" box="[151,283,1473,1498]" italics="true" pageId="11" pageNumber="119">Lithodomus</emphasis>
</taxonomicName>
(
<bibRefCitation id="514F9E9DFF993A681D0045E688D6FA07" author="Lang" box="[298,423,1474,1498]" pageId="11" pageNumber="119" refString="Lang, A. (1879) Untersuchungen vergleichenden Anatomie und Histologie des Nervensystems der Plathelminthen. I. Das Nervensystem der marinen Dendrocoelen. Mitteilungen aus der Zoologischen Station zu Neapel, 1, 459 - 488." type="journal article" year="1879">Lang 1879</bibRefCitation>
,
<bibRefCitation id="514F9E9DFF993A681D9845E6889CFA07" author="Lang" box="[434,493,1474,1498]" pageId="11" pageNumber="119" refString="Lang, A. (1884) Die Polycladen (Seeplanarien) des Golfes von Neapel und der angrenzenden Meeresabschnitte. Eine Monographie. Fauna und Flora des Golfes von Neapel und der angrenzenden Meeresabschnitte, herausgegeben von der Zoologische Station in Neapel. W. Engelmann, Leipzig 1884, 688 pp." type="book" year="1884">1884</bibRefCitation>
, Tyler
<emphasis id="07AA3F7EFF993A681E1045E78B03FA07" box="[570,626,1473,1498]" italics="true" pageId="11" pageNumber="119">et al.</emphasis>
2012).
</paragraph>
<paragraph id="3561E36CFF993A681CED45C18B62FA23" blockId="11.[151,1436,1437,2002]" box="[199,531,1509,1534]" pageId="11" pageNumber="119">
<emphasis id="07AA3F7EFF993A681CED45C18804FA23" bold="true" box="[199,373,1509,1534]" pageId="11" pageNumber="119">
<typeStatus id="EA655DCEFF993A681CED45C18873FA23" box="[199,258,1509,1534]" pageId="11" pageNumber="119">Type</typeStatus>
material.
</emphasis>
not available.
</paragraph>
<paragraph id="3561E36CFF993A681CED462D8A34F953" blockId="11.[151,1436,1437,2002]" pageId="11" pageNumber="119">
<emphasis id="07AA3F7EFF993A681CED462D88C3F9FF" bold="true" box="[199,434,1545,1570]" pageId="11" pageNumber="119">Material examined.</emphasis>
One mature specimen from Cabo de Palos (Murcia,
<collectingCountry id="4DC9A3FCFF993A681832462D8D28F9FF" box="[1048,1113,1545,1570]" name="Spain" pageId="11" pageNumber="119">Spain</collectingCountry>
) and two mature specimens from littoral areas near Calpe (Alicante,
<collectingCountry id="4DC9A3FCFF993A681E5846098BC2F99B" box="[626,691,1581,1606]" name="Spain" pageId="11" pageNumber="119">Spain</collectingCountry>
) were studied. One mature specimen from Calpe was sectioned sagittally and mounted on 50 slides (
<collectionCode id="53CF7BA9FF993A681E1C46768BFDF9B7" LSID="urn:lsid:biocol.org:col:35275" box="[566,652,1618,1642]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35275" name="Museo Nacional de Ciencias Naturales" pageId="11" pageNumber="119">MNCN</collectionCode>
4.01/130 -
<collectionCode id="53CF7BA9FF993A681F3A46768A15F9B7" LSID="urn:lsid:biocol.org:col:35275" box="[784,868,1618,1642]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35275" name="Museo Nacional de Ciencias Naturales" pageId="11" pageNumber="119">MNCN</collectionCode>
4.01/180). The specimen from Cabo de Palos and the second specimen from Calpe were stored in alcohol 70%.
</paragraph>
<paragraph id="3561E36CFF993A681CED46BD8B41F90B" blockId="11.[151,1436,1437,2002]" pageId="11" pageNumber="119">
<emphasis id="07AA3F7EFF993A681CED46BD884BF96F" bold="true" box="[199,314,1689,1714]" pageId="11" pageNumber="119">Localities</emphasis>
: Cala Racó, Calpe, Alicante (
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,
<geoCoordinate id="50EA85ABFF993A681F4946BD8AA5F96F" box="[867,980,1689,1714]" direction="east" orientation="longitude" pageId="11" pageNumber="119" precision="9" value="0.07433333">0º04.46E</geoCoordinate>
)
<collectingCountry id="4DC9A3FCFF993A681FDA46BD8D42F96F" box="[1008,1075,1689,1714]" name="Spain" pageId="11" pageNumber="119">Spain</collectingCountry>
; Cabo Palos, Murcia,
<collectingCountry id="4DC9A3FCFF993A68197646BD8CEDF96F" box="[1372,1436,1689,1714]" name="Spain" pageId="11" pageNumber="119">Spain</collectingCountry>
(
<geoCoordinate id="50EA85ABFF993A681CB5469A8855F90B" box="[159,292,1726,1750]" direction="north" orientation="latitude" pageId="11" pageNumber="119" precision="9" value="37.623165">37º37.39N</geoCoordinate>
,
<geoCoordinate id="50EA85ABFF993A681D05469988DCF90B" box="[303,429,1725,1750]" direction="west" orientation="longitude" pageId="11" pageNumber="119" precision="9" value="-0.70416665">0º42.25W</geoCoordinate>
);
<figureCitation id="ADE5FFE9FF993A681DEB46998B73F90B" box="[449,514,1725,1750]" captionStart="FIGURE 1" captionStartId="4.[151,250,1906,1928]" captionTargetBox="[275,1322,195,1873]" captionTargetId="figure@4.[269,1325,195,1878]" captionTargetPageId="4" captionText="FIGURE 1. Distribution map of examined specimens. General views of A the eastern coast of the Iberian Peninsula, B Mar Menor (Murcia). Numbers: Notoplanella inarmata (1), Notoplanella estelae sp. nov. (2), Trigonoporus cephalophtalmus (3), Leptoplana mediterranea (4), Planocera graffi (5), Imogine mediterranea (6), Imogine stellae sp. nov. (7), Stylochus neapolitanus (8), Stylochus pilidium (9)." httpUri="https://zenodo.org/record/250026/files/figure.png" pageId="11" pageNumber="119">Fig. 1</figureCitation>
(5).
</paragraph>
<paragraph id="3561E36CFF993A681CED46C58B88F8BB" blockId="11.[151,1436,1437,2002]" pageId="11" pageNumber="119">
<emphasis id="07AA3F7EFF993A681CED46C588F2F927" bold="true" box="[199,387,1761,1786]" pageId="11" pageNumber="119">Other material.</emphasis>
<taxonomicName id="F2DE98EFFF993A681DA146C58DBAF927" authority="(Mertens, 1833) Oersted, 1844 Zoologisches Institut" authorityName="(Mertens, 1833) Oersted, 1844 Zoologisches Institut" box="[395,1227,1761,1786]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="11" pageNumber="119" phylum="Platyhelminthes" rank="species" species="pellucida">
<emphasis id="07AA3F7EFF993A681DA146C58B01F927" box="[395,624,1761,1786]" italics="true" pageId="11" pageNumber="119">Planocera pellucida</emphasis>
(Mertens, 1833) Oersted, 1844 Zoologisches Institut
</taxonomicName>
und Zoologisches Museum der Universität Hamburg, slides:
<accessionNumber id="2A8D7E8FFF993A681E5347238BAFF8C3" box="[633,734,1797,1822]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/V13167" pageId="11" pageNumber="119" type="EnaNcbi">V 13167</accessionNumber>
/
<date id="4160C5ACFF993A681ECD47218A7DF8C3" box="[743,780,1797,1822]" bridgedPair="-" pageId="11" pageNumber="119">
1-
<accessionNumber id="2A8D7E8FFF993A681EDD47218A7DF8C3" box="[759,780,1797,1822]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/V13167" pageId="11" pageNumber="119" type="EnaNcbi">V</accessionNumber>
</date>
13167/18 (Atlantic Ocean, pelagic); V
<date id="4160C5ACFF993A6818E247228C6FF8C3" box="[1224,1310,1798,1822]" pageId="11" pageNumber="119" value="71-11-13">131171</date>
/
<date id="4160C5ACFF993A68190D47228C3DF8C3" box="[1319,1356,1798,1822]" bridgedPair="-" pageId="11" pageNumber="119">
1-
<accessionNumber id="2A8D7E8FFF993A68191D47228C3DF8C3" box="[1335,1356,1798,1822]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/V13171" pageId="11" pageNumber="119" type="EnaNcbi">V</accessionNumber>
</date>
13171/ 15 (Atlantic Ocean, pelagic);
<accessionNumber id="2A8D7E8FFF993A681DCB470E8B35F89F" box="[481,580,1833,1858]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/V13169" pageId="11" pageNumber="119" type="EnaNcbi">V 13169</accessionNumber>
/
<date id="4160C5ACFF993A681E67470D8B03F89F" box="[589,626,1833,1858]" bridgedPair="-" pageId="11" pageNumber="119">
1-
<accessionNumber id="2A8D7E8FFF993A681E77470D8B03F89F" box="[605,626,1833,1858]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/V13169" pageId="11" pageNumber="119" type="EnaNcbi">V</accessionNumber>
</date>
13169/37 (Atlantic Ocean);
<accessionNumber id="2A8D7E8FFF993A681F85470E8D63F89F" box="[943,1042,1834,1858]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/V13177" pageId="11" pageNumber="119" type="EnaNcbi">V 13177</accessionNumber>
/
<date id="4160C5ACFF993A681831470E8D30F89F" box="[1051,1089,1834,1858]" bridgedPair="-" pageId="11" pageNumber="119">
1-
<accessionNumber id="2A8D7E8FFF993A681806470E8D30F89F" box="[1068,1089,1834,1858]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/V13177" pageId="11" pageNumber="119" type="EnaNcbi">V</accessionNumber>
</date>
13177/11 (Atlantic Ocean) and
<specimenCount id="23D828E5FF993A681CBD47698851F8BB" box="[151,288,1869,1894]" pageId="11" pageNumber="119" type="generic">5 specimens</specimenCount>
in alcohol:
<accessionNumber id="2A8D7E8FFF993A681D8F476A8B71F8BB" box="[421,512,1870,1894]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/V13131" pageId="11" pageNumber="119" type="EnaNcbi">V13131</accessionNumber>
(
<collectingCountry id="4DC9A3FCFF993A681E24476A8BE0F8BB" box="[526,657,1869,1894]" name="Cape Verde" pageId="11" pageNumber="119">Cape Verde</collectingCountry>
Islands).
</paragraph>
</subSubSection>
<subSubSection id="7DC4B0E7FF993A6F1CED47558A5EFCC8" lastPageId="12" lastPageNumber="120" pageId="11" pageNumber="119" type="description">
<paragraph id="3561E36CFF993A6F1CED47558BCCFE9D" blockId="11.[151,1436,1437,2002]" lastBlockId="12.[151,1436,151,2013]" lastPageId="12" lastPageNumber="120" pageId="11" pageNumber="119">
<emphasis id="07AA3F7EFF993A681CED47558828F857" bold="true" box="[199,345,1905,1930]" pageId="11" pageNumber="119">Description.</emphasis>
The specimen (
<figureCitation id="ADE5FFE9FF993A681E2647558B3FF857" box="[524,590,1905,1930]" captionStart="FIGURE 9" captionStartId="14.[151,250,1886,1908]" captionTargetBox="[228,1358,193,1828]" captionTargetId="figure@14.[228,1366,193,1832]" captionTargetPageId="14" captionText="FIGURE 9. Planocera graffi (Lang, 1879). A Dorsal and B ventral views of fixed specimen; C dorsal view of a cleared animal; D dorsal view of a live animal; E sagittal reconstruction of the whole animal (anterior to the left); F sagittal reconstruction of male and female genital systems (anterior to the left). Abbreviations: e, eyes; ed, ejaculatory duct; fp, female pore; m, mouth; mp, male pore; o, ovary; ph, pharynx; pv, prostatic vesicle; spb, spermiducal bulb; t, tentacle; ts, testes; tee, teeth; v, vagina; vb, vagina bulbosa; vd, vas deferens. Scale bars: A, B, C, D 7 mm, E 500 µm, F 500 µm." httpUri="https://zenodo.org/record/250034/files/figure.png" pageId="11" pageNumber="119">Fig. 9</figureCitation>
AD) has a broadly oval, almost round, form with slightly ruffled margins,
<quantity id="F2264E89FF993A681CBD47B28999F873" box="[151,232,1942,1966]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="11" pageNumber="119" unit="mm" value="20.0">20 mm</quantity>
long by
<quantity id="F2264E89FF993A681D7847B188D5F873" box="[338,420,1941,1966]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" pageId="11" pageNumber="119" unit="mm" value="15.0">15 mm</quantity>
wide (measurements from fixed specimen). The ground colour is yellow-orange, with a reddish net-like accumulation of pigment granules at the body midline along the intestine branches. The terminal ramifications on the dorsal side and the margin of the body sometimes reflect a white colour. The body appearance is fleshy, but very transparent and frail in appearance. Two conspicuous conical tentacles located near the brain, but far from the margins. Numerous tentacular eyes at the base of each tentacle. Several small cerebral eyes present anterior as well as posterior to the tentacles, being more abundant behind the tentacles. A broad ruffled pharynx occupies the central region of the body (
<figureCitation id="ADE5FFE9FF9E3A6F1E7041038BECFE9D" box="[602,669,295,320]" captionStart="FIGURE 9" captionStartId="14.[151,250,1886,1908]" captionTargetBox="[228,1358,193,1828]" captionTargetId="figure@14.[228,1366,193,1832]" captionTargetPageId="14" captionText="FIGURE 9. Planocera graffi (Lang, 1879). A Dorsal and B ventral views of fixed specimen; C dorsal view of a cleared animal; D dorsal view of a live animal; E sagittal reconstruction of the whole animal (anterior to the left); F sagittal reconstruction of male and female genital systems (anterior to the left). Abbreviations: e, eyes; ed, ejaculatory duct; fp, female pore; m, mouth; mp, male pore; o, ovary; ph, pharynx; pv, prostatic vesicle; spb, spermiducal bulb; t, tentacle; ts, testes; tee, teeth; v, vagina; vb, vagina bulbosa; vd, vas deferens. Scale bars: A, B, C, D 7 mm, E 500 µm, F 500 µm." httpUri="https://zenodo.org/record/250034/files/figure.png" pageId="12" pageNumber="120">Fig. 9</figureCitation>
E).
</paragraph>
<paragraph id="3561E36CFF9E3A6F1CED41698A5EFCC8" blockId="12.[151,1436,151,2013]" pageId="12" pageNumber="120">
In general, the organisation of the copulatory complex (
<figureCitation id="ADE5FFE9FF9E3A6F1F1641688AF1FEB9" box="[828,896,332,357]" captionStart="FIGURE 9" captionStartId="14.[151,250,1886,1908]" captionTargetBox="[228,1358,193,1828]" captionTargetId="figure@14.[228,1366,193,1832]" captionTargetPageId="14" captionText="FIGURE 9. Planocera graffi (Lang, 1879). A Dorsal and B ventral views of fixed specimen; C dorsal view of a cleared animal; D dorsal view of a live animal; E sagittal reconstruction of the whole animal (anterior to the left); F sagittal reconstruction of male and female genital systems (anterior to the left). Abbreviations: e, eyes; ed, ejaculatory duct; fp, female pore; m, mouth; mp, male pore; o, ovary; ph, pharynx; pv, prostatic vesicle; spb, spermiducal bulb; t, tentacle; ts, testes; tee, teeth; v, vagina; vb, vagina bulbosa; vd, vas deferens. Scale bars: A, B, C, D 7 mm, E 500 µm, F 500 µm." httpUri="https://zenodo.org/record/250034/files/figure.png" pageId="12" pageNumber="120">Fig. 9</figureCitation>
F) agrees with the detailed descriptions of
<bibRefCitation id="514F9E9DFF9E3A6F194841698995FE55" author="Lang" pageId="12" pageNumber="120" refString="Lang, A. (1884) Die Polycladen (Seeplanarien) des Golfes von Neapel und der angrenzenden Meeresabschnitte. Eine Monographie. Fauna und Flora des Golfes von Neapel und der angrenzenden Meeresabschnitte, herausgegeben von der Zoologische Station in Neapel. W. Engelmann, Leipzig 1884, 688 pp." type="book" year="1884">Lang (1884)</bibRefCitation>
. Nevertheless, some additional details can be discerned in our specimens. For example, the
<emphasis id="07AA3F7EFF9E3A6F18DA41558CEAFE55" box="[1264,1435,367,392]" italics="true" pageId="12" pageNumber="120">vasa deferentia</emphasis>
dilate and become the spermiducal bulbs before entering proximally into the muscular cirrus bulb. The prostatic vesicle opens together with the spermiducal bulbs at the distal end of the male bulb. The prostatic vesicle is lined with a glandular epithelium forming the characteristic tubular chambers. The ejaculatory duct is wide and short. The cirrus is composed of distal spines and teeth that progressively increase in size towards the genital atrium. The rather short male genital atrium is bottle-shaped. The entire male complex is surrounded by thick muscle layers. The female apparatus does not show remarkable differences from Lang's (1884) description of the species. Briefly, it consist of a muscular external vagina or
<emphasis id="07AA3F7EFF9E3A6F1EA142498A31FD58" box="[651,832,620,645]" italics="true" pageId="12" pageNumber="120">vagina bulbosa,</emphasis>
surrounded by muscle layers, which is lined with a delicate cuboidal, glandular epithelium at the distal end; in some sections, this epithelium shows fringe-like extensions. The internal vagina first runs anteriorly and then posteriorly. Numerous cement glands open in the distal section of the internal vagina. Proximally, the two oviducts join the internal vagina and Langs vesicle is either entirely lacking or only present as a vestigial vesicle.
</paragraph>
</subSubSection>
<subSubSection id="7DC4B0E7FF9E3A6F1CED433B8A51FC5D" pageId="12" pageNumber="120" type="discussion">
<paragraph id="3561E36CFF9E3A6F1CED433B8A51FC5D" blockId="12.[151,1436,151,2013]" pageId="12" pageNumber="120">
<emphasis id="07AA3F7EFF9E3A6F1CED433B883DFCE5" bold="true" box="[199,332,799,824]" pageId="12" pageNumber="120">Discussion.</emphasis>
The genus
<taxonomicName id="F2DE98EFFF9E3A6F1DF9433B8A76FCE5" authority="Blainville, 1828" authorityName="Blainville" authorityYear="1828" box="[467,775,799,824]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="genus">
<emphasis id="07AA3F7EFF9E3A6F1DF9433B8B39FCE5" box="[467,584,799,824]" italics="true" pageId="12" pageNumber="120">Planocera</emphasis>
Blainville, 1828
</taxonomicName>
shows a wide, almost cosmopolitan, distribution (
<figureCitation id="ADE5FFE9FF9E3A6F1962433B8CFFFCE5" box="[1352,1422,799,824]" captionStart="FIGURE 8" captionStartId="13.[151,250,1919,1941]" captionTargetBox="[282,1308,541,1865]" captionTargetId="figure@13.[229,1358,502,1915]" captionTargetPageId="13" captionText="FIGURE 8. Map of known localities of Planocera pellucida (black dots), Planocera ceratommata (white squares) and Planocera graffi (red dots)." httpUri="https://zenodo.org/record/250033/files/figure.png" pageId="12" pageNumber="120">Fig. 8</figureCitation>
). From the Mediterranean basin, three species have been reported:
<taxonomicName id="F2DE98EFFF9E3A6F1FAC43608DA3FC81" authority="Grube, 1840" authorityName="Grube" authorityYear="1840" box="[902,1234,836,861]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="folia">
<emphasis id="07AA3F7EFF9E3A6F1FAC43608D49FC80" box="[902,1080,836,861]" italics="true" pageId="12" pageNumber="120">Planocera folia</emphasis>
<bibRefCitation id="514F9E9DFF9E3A6F186B43608DA3FC81" author="Grube" box="[1089,1234,836,861]" pageId="12" pageNumber="120" refString="Grube, A. E. (1840) Actinien, Echinodermen und Wurmer des Adriatischen und Mittelmeeres nach eignen Sammlungen beschrieben. Konigsberg, 4, 51 - 56, 1 Tab, Fig. 9, 9 ª, 12, 12 ª." type="journal article" year="1840">Grube, 1840</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="F2DE98EFFF9E3A6F18CA43608867FC5D" authority="Lang, 1879" authorityName="Lang" authorityYear="1879" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="graffi">
<emphasis id="07AA3F7EFF9E3A6F18CA43608CEDFC81" box="[1248,1436,836,861]" italics="true" pageId="12" pageNumber="120">Planocera graffi</emphasis>
<bibRefCitation id="514F9E9DFF9E3A6F1CBD434C8867FC5D" author="Lang" box="[151,278,872,896]" pageId="12" pageNumber="120" refString="Lang, A. (1879) Untersuchungen vergleichenden Anatomie und Histologie des Nervensystems der Plathelminthen. I. Das Nervensystem der marinen Dendrocoelen. Mitteilungen aus der Zoologischen Station zu Neapel, 1, 459 - 488." type="journal article" year="1879">Lang, 1879</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="F2DE98EFFF9E3A6F1D6743438A6DFC5D" authority="Palombi, 1936" authorityName="Palombi" authorityYear="1936" box="[333,796,871,896]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="ceratommata">
<emphasis id="07AA3F7EFF9E3A6F1D6743438B2DFC5D" box="[333,604,871,896]" italics="true" pageId="12" pageNumber="120">Planocera ceratommata</emphasis>
(
<bibRefCitation id="514F9E9DFF9E3A6F1E4143438A65FC5D" author="Palombi" box="[619,788,871,896]" pageId="12" pageNumber="120" refString="Palombi, A. (1936) Policladi liberi e commensali raccolti sulle coste del Sud Africa, della Florida e del Golfe di Napoli. Archivio Zoologico Italiano, 23, 1 - 45, t. 1." type="journal article" year="1936">Palombi, 1936</bibRefCitation>
)
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="7DC4B0E7FF9E3A6E1CBD43A88A89FE12" lastPageId="13" lastPageNumber="121" pageId="12" pageNumber="120" type="reference_group">
<paragraph id="3561E36CFF9E3A6F1CBD43A88D7EFC15" blockId="12.[151,1436,151,2013]" pageId="12" pageNumber="120">
<taxonomicName id="F2DE98EFFF9E3A6F1CBD43A88820FC79" ID-CoL="4JK6Y" box="[151,337,908,933]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="graffi">
<emphasis id="07AA3F7EFF9E3A6F1CBD43A88820FC79" box="[151,337,908,933]" italics="true" pageId="12" pageNumber="120">Planocera graffi</emphasis>
</taxonomicName>
was first described for the Gulf of Naples (
<bibRefCitation id="514F9E9DFF9E3A6F1F1143A88AC9FC79" author="Lang" box="[827,952,908,932]" pageId="12" pageNumber="120" refString="Lang, A. (1879) Untersuchungen vergleichenden Anatomie und Histologie des Nervensystems der Plathelminthen. I. Das Nervensystem der marinen Dendrocoelen. Mitteilungen aus der Zoologischen Station zu Neapel, 1, 459 - 488." type="journal article" year="1879">Lang 1879</bibRefCitation>
,
<bibRefCitation id="514F9E9DFF9E3A6F1FEE43A88D71FC79" author="Lang" box="[964,1024,908,932]" pageId="12" pageNumber="120" refString="Lang, A. (1884) Die Polycladen (Seeplanarien) des Golfes von Neapel und der angrenzenden Meeresabschnitte. Eine Monographie. Fauna und Flora des Golfes von Neapel und der angrenzenden Meeresabschnitte, herausgegeben von der Zoologische Station in Neapel. W. Engelmann, Leipzig 1884, 688 pp." type="book" year="1884">1884</bibRefCitation>
), and also reported for the islands of
<collectingCountry id="4DC9A3FCFF9E3A6F1CBD4394886CFC15" box="[151,285,943,968]" name="Saint Vincent and the Grenadines" pageId="12" pageNumber="120">Sao Vicente</collectingCountry>
(
<collectingCountry id="4DC9A3FCFF9E3A6F1D06439488C0FC15" box="[300,433,943,968]" name="Cape Verde" pageId="12" pageNumber="120">Cape Verde</collectingCountry>
) (
<bibRefCitation id="514F9E9DFF9E3A6F1DED438B8B14FC15" author="Laidlaw" box="[455,613,943,968]" pageId="12" pageNumber="120" refString="Laidlaw, F. F. (1903) On the marine fauna of Zanzibar and British East Africa, from collections made by Cyril Crossland in the Years 1901 and 1902. Turbellaria Polycladida. I. The Acotylea. Proceedings of the Zoological Society of London, 73, 99 - 113 + 1 Pl." type="journal article" year="1903">Laidlaw 1903</bibRefCitation>
) and the Catalan coast (
<bibRefCitation id="514F9E9DFF9E3A6F1F5B438B8D72FC15" author="Novell" box="[881,1027,943,968]" pageId="12" pageNumber="120" refString="Novell, C. (2003) Tesis doctoral: Contribucio al coneixement dels turbellaris policladides del litoral catala. Available from: http: // hdl. handle. net / 10803 / 781 (accessed 25 February 2014)" type="journal article" year="2003">Novell 2003</bibRefCitation>
).
</paragraph>
<paragraph id="3561E36CFF9E3A6F1CED43F08AABFBA1" blockId="12.[151,1436,151,2013]" pageId="12" pageNumber="120">
<taxonomicName id="F2DE98EFFF9E3A6F1CED43F08806FC30" ID-CoL="6VP27" box="[199,375,980,1005]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="folia">
<emphasis id="07AA3F7EFF9E3A6F1CED43F08806FC30" box="[199,375,980,1005]" italics="true" pageId="12" pageNumber="120">Planocera folia</emphasis>
</taxonomicName>
was originally described for Palermo by
<bibRefCitation id="514F9E9DFF9E3A6F1F6143F08A94FC31" author="Grube" box="[843,997,980,1005]" pageId="12" pageNumber="120" refString="Grube, A. E. (1840) Actinien, Echinodermen und Wurmer des Adriatischen und Mittelmeeres nach eignen Sammlungen beschrieben. Konigsberg, 4, 51 - 56, 1 Tab, Fig. 9, 9 ª, 12, 12 ª." type="journal article" year="1840">Grube (1840)</bibRefCitation>
, and later cited for Barwick Bay,
<collectingCountry id="4DC9A3FCFF9E3A6F194943F08CEAFC31" box="[1379,1435,980,1004]" name="United States of America" pageId="12" pageNumber="120">USA</collectingCountry>
(Apalachee Bay?) by
<bibRefCitation id="514F9E9DFF9E3A6F1DA443D38B39FBCD" author="Johnston" box="[398,584,1015,1040]" pageId="12" pageNumber="120" refString="Johnston, G. (1865) A catalogue of the British non-parasitical worms in the collection of the British Museum. British Museum, London, 365 pp." type="book" year="1865">Johnston (1865)</bibRefCitation>
. Unfortunately, the internal anatomy of
<taxonomicName id="F2DE98EFFF9E3A6F182443DD8D2EFBCD" ID-CoL="6VP27" box="[1038,1119,1015,1040]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="folia">
<emphasis id="07AA3F7EFF9E3A6F182443DD8D2EFBCD" box="[1038,1119,1015,1040]" italics="true" pageId="12" pageNumber="120">P. folia</emphasis>
</taxonomicName>
is unknown, thus making it impossible to compare with other species of the genus. Ludwig von
<bibRefCitation id="514F9E9DFF9E3A6F1F8A44388D5EFBE9" author="Graff" box="[928,1071,1052,1077]" pageId="12" pageNumber="120" refString="Graff, L. von (1904) Turbellaria. In: Dr. H. G. Bronn's Klassen und Ordnungen des Thier-Reichs. Bd. IV. Vermes. Abt. 1 c, 1733 - 1984, tab 1 - 4 &amp; 1 textfig." type="journal article" year="1904">Graff (1904)</bibRefCitation>
last cited
<taxonomicName id="F2DE98EFFF9E3A6F188F44398D84FBE8" ID-CoL="6VP27" box="[1189,1269,1052,1077]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="folia">
<emphasis id="07AA3F7EFF9E3A6F188F44398D84FBE8" box="[1189,1269,1052,1077]" italics="true" pageId="12" pageNumber="120">P. folia</emphasis>
</taxonomicName>
, merely as the record of
<bibRefCitation id="514F9E9DFF9E3A6F1D29441B88EFFB85" author="Grube" box="[259,414,1087,1112]" pageId="12" pageNumber="120" refString="Grube, A. E. (1840) Actinien, Echinodermen und Wurmer des Adriatischen und Mittelmeeres nach eignen Sammlungen beschrieben. Konigsberg, 4, 51 - 56, 1 Tab, Fig. 9, 9 ª, 12, 12 ª." type="journal article" year="1840">Grube (1840)</bibRefCitation>
; therefore, the last real record of
<taxonomicName id="F2DE98EFFF9E3A6F1F3844658A10FB85" ID-CoL="6VP27" box="[786,865,1087,1112]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="folia">
<emphasis id="07AA3F7EFF9E3A6F1F3844658A10FB85" box="[786,865,1087,1112]" italics="true" pageId="12" pageNumber="120">P. folia</emphasis>
</taxonomicName>
appears to be in 1865 by George Johnston. For the Mediterranean, the only record is the original description of
<bibRefCitation id="514F9E9DFF9E3A6F1F1144408AA7FBA1" author="Grube" box="[827,982,1124,1149]" pageId="12" pageNumber="120" refString="Grube, A. E. (1840) Actinien, Echinodermen und Wurmer des Adriatischen und Mittelmeeres nach eignen Sammlungen beschrieben. Konigsberg, 4, 51 - 56, 1 Tab, Fig. 9, 9 ª, 12, 12 ª." type="journal article" year="1840">Grube (1840)</bibRefCitation>
.
</paragraph>
<paragraph id="3561E36CFF9E3A6F1CED44A38A25FB19" blockId="12.[151,1436,151,2013]" pageId="12" pageNumber="120">
<taxonomicName id="F2DE98EFFF9E3A6F1CED44A388A6FB7D" ID-CoL="4JK6F" box="[199,471,1159,1184]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="ceratommata">
<emphasis id="07AA3F7EFF9E3A6F1CED44A388A6FB7D" box="[199,471,1159,1184]" italics="true" pageId="12" pageNumber="120">Planocera ceratommata</emphasis>
</taxonomicName>
was originally described by
<bibRefCitation id="514F9E9DFF9E3A6F1F3744A38ABCFB7D" author="Palombi" box="[797,973,1159,1184]" pageId="12" pageNumber="120" refString="Palombi, A. (1936) Policladi liberi e commensali raccolti sulle coste del Sud Africa, della Florida e del Golfe di Napoli. Archivio Zoologico Italiano, 23, 1 - 45, t. 1." type="journal article" year="1936">Palombi (1936)</bibRefCitation>
for Cape Town (
<collectingCountry id="4DC9A3FCFF9E3A6F18A744A38C52FB7D" box="[1165,1315,1159,1184]" name="South Africa" pageId="12" pageNumber="120">South Africa</collectingCountry>
), but more recently has been cited by
<bibRefCitation id="514F9E9DFF9E3A6F1DEB44888B2FFB19" author="Novell" box="[449,606,1196,1221]" pageId="12" pageNumber="120" refString="Novell, C. (2003) Tesis doctoral: Contribucio al coneixement dels turbellaris policladides del litoral catala. Available from: http: // hdl. handle. net / 10803 / 781 (accessed 25 February 2014)" type="journal article" year="2003">Novell (2003)</bibRefCitation>
for the Catalan coast.
</paragraph>
<paragraph id="3561E36CFF9E3A6F1CED44EB8C7DFA89" blockId="12.[151,1436,151,2013]" pageId="12" pageNumber="120">
Although
<bibRefCitation id="514F9E9DFF9E3A6F1D1144F488B2FB35" author="Lang" box="[315,451,1232,1256]" pageId="12" pageNumber="120" refString="Lang, A. (1879) Untersuchungen vergleichenden Anatomie und Histologie des Nervensystems der Plathelminthen. I. Das Nervensystem der marinen Dendrocoelen. Mitteilungen aus der Zoologischen Station zu Neapel, 1, 459 - 488." type="journal article" year="1879">Lang (1879</bibRefCitation>
,
<bibRefCitation id="514F9E9DFF9E3A6F1DF844F48B7AFB35" author="Lang" box="[466,523,1232,1256]" pageId="12" pageNumber="120" refString="Lang, A. (1884) Die Polycladen (Seeplanarien) des Golfes von Neapel und der angrenzenden Meeresabschnitte. Eine Monographie. Fauna und Flora des Golfes von Neapel und der angrenzenden Meeresabschnitte, herausgegeben von der Zoologische Station in Neapel. W. Engelmann, Leipzig 1884, 688 pp." type="book" year="1884">1884</bibRefCitation>
) could not compare
<taxonomicName id="F2DE98EFFF9E3A6F1F2A44EB8ACCFB35" ID-CoL="4JK6Y" box="[768,957,1231,1256]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="graffi">
<emphasis id="07AA3F7EFF9E3A6F1F2A44EB8ACCFB35" box="[768,957,1231,1256]" italics="true" pageId="12" pageNumber="120">Planocera graffi</emphasis>
</taxonomicName>
with
<taxonomicName id="F2DE98EFFF9E3A6F182E44F58C3CFB35" ID-CoL="4JK7N" authority="Mertens, 1833" authorityName="Mertens" authorityYear="1833" box="[1028,1357,1231,1256]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="pellucida">
<emphasis id="07AA3F7EFF9E3A6F182E44F58DFAFB35" box="[1028,1163,1231,1256]" italics="true" pageId="12" pageNumber="120">P. pellucida</emphasis>
(Mertens, 1833)
</taxonomicName>
as the description of
<taxonomicName id="F2DE98EFFF9E3A6F1D1744D188B2FAD0" ID-CoL="4JK7N" box="[317,451,1268,1293]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="pellucida">
<emphasis id="07AA3F7EFF9E3A6F1D1744D188B2FAD0" box="[317,451,1268,1293]" italics="true" pageId="12" pageNumber="120">P. pellucida</emphasis>
</taxonomicName>
does not include internal anatomical features, he did comment on the great similarity between
<emphasis id="07AA3F7EFF9E3A6F1CD6453D8823FAED" box="[252,338,1304,1328]" italics="true" pageId="12" pageNumber="120">P. g r a f f i</emphasis>
and
<taxonomicName id="F2DE98EFFF9E3A6F1DA4453D8BBDFAED" ID-CoL="4JK7M" authority="Moseley, 1877" authorityName="Moseley" authorityYear="1877" box="[398,716,1303,1328]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="pelagica">
<emphasis id="07AA3F7EFF9E3A6F1DA4453D8B7AFAED" box="[398,523,1303,1328]" italics="true" pageId="12" pageNumber="120">P. pelagica</emphasis>
(Moseley, 1877)
</taxonomicName>
, which only differ in the shape of the ejaculatory duct (tortuous in
<taxonomicName id="F2DE98EFFF9E3A6F1C9E4519885EFA88" ID-CoL="4JK7M" box="[180,303,1340,1365]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="pelagica">
<emphasis id="07AA3F7EFF9E3A6F1C9E4519885EFA88" box="[180,303,1340,1365]" italics="true" pageId="12" pageNumber="120">P. pelagica</emphasis>
</taxonomicName>
). Years later,
<bibRefCitation id="514F9E9DFF9E3A6F1DE145188B19FA89" author="Faubel" box="[459,616,1340,1365]" pageId="12" pageNumber="120" refString="Faubel, A. (1983) The Polycladida, Turbellaria; Proposal and establishment of a new system. Part I. The Acotylea. Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut, 80, 17 - 121." type="journal article" year="1983">Faubel (1983)</bibRefCitation>
synonymised
<taxonomicName id="F2DE98EFFF9E3A6F1F2145198AF7FA88" ID-CoL="4JK7M" box="[779,902,1340,1365]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="pelagica">
<emphasis id="07AA3F7EFF9E3A6F1F2145198AF7FA88" box="[779,902,1340,1365]" italics="true" pageId="12" pageNumber="120">P. pelagica</emphasis>
</taxonomicName>
with
<taxonomicName id="F2DE98EFFF9E3A6F1FEC45198C79FA89" ID-CoL="4JK7N" authority="Mertens, 1833" authorityName="Mertens" authorityYear="1833" box="[966,1288,1340,1365]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="pellucida">
<emphasis id="07AA3F7EFF9E3A6F1FEC45198D3BFA88" box="[966,1098,1340,1365]" italics="true" pageId="12" pageNumber="120">P. pellucida</emphasis>
(Mertens, 1833)
</taxonomicName>
.
</paragraph>
<paragraph id="3561E36CFF9E3A6F1CE5457B8B29F8D9" blockId="12.[151,1436,151,2013]" pageId="12" pageNumber="120">
<bibRefCitation id="514F9E9DFF9E3A6F1CE5457B882CFAA5" author="Bock" box="[207,349,1375,1400]" pageId="12" pageNumber="120" refString="Bock, S. (1913) Studien ueber Polycladen. Zoologiska bidrag fran Uppsala, 2, 31 - 344." type="journal article" year="1913">Bock (1913)</bibRefCitation>
and
<bibRefCitation id="514F9E9DFF9E3A6F1DBD457B8B47FAA5" author="Faubel" box="[407,566,1375,1400]" pageId="12" pageNumber="120" refString="Faubel, A. (1983) The Polycladida, Turbellaria; Proposal and establishment of a new system. Part I. The Acotylea. Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut, 80, 17 - 121." type="journal article" year="1983">Faubel (1983)</bibRefCitation>
described
<taxonomicName id="F2DE98EFFF9E3A6F1E9845458A46FAA5" ID-CoL="4JK7N" box="[690,823,1375,1400]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="pellucida">
<emphasis id="07AA3F7EFF9E3A6F1E9845458A46FAA5" box="[690,823,1375,1400]" italics="true" pageId="12" pageNumber="120">P. pellucida</emphasis>
</taxonomicName>
as oval, tapering posteriorly and
<taxonomicName id="F2DE98EFFF9E3A6F189C45458C60FAA5" ID-CoL="4JK6Y" box="[1206,1297,1376,1400]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="graffi">
<emphasis id="07AA3F7EFF9E3A6F189C45458C60FAA5" box="[1206,1297,1376,1400]" italics="true" pageId="12" pageNumber="120">P. graffi</emphasis>
</taxonomicName>
as rounded, sometimes broader than long. However,
<bibRefCitation id="514F9E9DFF9E3A6F1E4F45A08A64FA40" author="Prudhoe" box="[613,789,1412,1437]" pageId="12" pageNumber="120" refString="Prudhoe, S. (1985) A monograph on polyclad Turbellaria. Oxford University Press, Oxford, New York, 259 pp." type="book" year="1985">Prudhoe (1985)</bibRefCitation>
reported that
<taxonomicName id="F2DE98EFFF9E3A6F1F9C45A18D4CFA40" ID-CoL="4JK7N" box="[950,1085,1412,1437]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="pellucida">
<emphasis id="07AA3F7EFF9E3A6F1F9C45A18D4CFA40" box="[950,1085,1412,1437]" italics="true" pageId="12" pageNumber="120">P. pellucida</emphasis>
</taxonomicName>
could show both body shapes, slightly elongated or rounded. This variation in body shape is, in our opinion and after a careful reading of the original description, the only reported difference between both species. An anatomical comparison between both species was necessary. Therefore, specimens of
<taxonomicName id="F2DE98EFFF9E3A6F1EE145D58A23F9D5" ID-CoL="4JK7N" box="[715,850,1519,1544]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="pellucida">
<emphasis id="07AA3F7EFF9E3A6F1EE145D58A23F9D5" box="[715,850,1519,1544]" italics="true" pageId="12" pageNumber="120">P. pellucida</emphasis>
</taxonomicName>
from the invertebrate collection if the Zoological Museum of Hamburg, captured in the Atlantic shores, were compared with our specimens from the Mediterranean coasts. The results of this comparative study (
<figureCitation id="ADE5FFE9FF9E3A6F1E8F46138B89F98D" box="[677,760,1591,1616]" captionStart="FIGURE 10" captionStartId="15.[151,250,1874,1896]" captionTargetBox="[194,1378,200,1851]" captionTargetId="figure@15.[188,1382,193,1856]" captionTargetPageId="15" captionText="FIGURE 10. Planocera pellucida (Mertens, 1833) of the Atlantic coast. A B specimen V 13167 / 1 - V 13167 / 18 (Ironhematoxylin-eosin stain), A male copulatory organ, B detail of cirrus and teeth; C D specimen V 13171 / 1 - V 13171 / 15 (Pasini staining), C male copulatory organ, D detail of cirrus; E F specimen V 13169 / 1 - V 13169 / 37 (Pasini staining), E male copulatory organ, F detail of cirrus; G H specimen of the Mediterranean coast (Azan staining), G male copulatory organ, H detail of cirrus. Anterior to the left in all figures. Scale bars: A, C, E, G 500 µm, B, D 200 µm, F, H 100 µm." httpUri="https://zenodo.org/record/250035/files/figure.png" pageId="12" pageNumber="120">Fig. 10</figureCitation>
) are the following: the cirrus of the male copulatory organ shows the same shape and
<typeStatus id="EA655DCEFF9E3A6F1DFE46798B75F9A8" box="[468,516,1629,1653]" pageId="12" pageNumber="120">type</typeStatus>
of spines in all specimens, the disposition and localisation of the prostatic and seminal vesicle is the same and the
<emphasis id="07AA3F7EFF9E3A6F1E6F46A58B84F945" box="[581,757,1663,1688]" italics="true" pageId="12" pageNumber="120">vasa deferentia</emphasis>
show identical trajectories. It is evident that there are no significant morphological differences between the two species and a synonymization is justified. Therefore, we propose that
<taxonomicName id="F2DE98EFFF9E3A6F1D0546ED88FDF93D" ID-CoL="4JK6Y" box="[303,396,1736,1760]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="graffi">
<emphasis id="07AA3F7EFF9E3A6F1D0546ED88FDF93D" box="[303,396,1736,1760]" italics="true" pageId="12" pageNumber="120">P. graffi</emphasis>
</taxonomicName>
is synonymous with
<taxonomicName id="F2DE98EFFF9E3A6F1EA046ED8A60F93D" ID-CoL="4JK7N" box="[650,785,1735,1760]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="pellucida">
<emphasis id="07AA3F7EFF9E3A6F1EA046ED8A60F93D" box="[650,785,1735,1760]" italics="true" pageId="12" pageNumber="120">P. pellucida</emphasis>
</taxonomicName>
with the consequent expansion of the distribution of
<taxonomicName id="F2DE98EFFF9E3A6F19AD46ED898EF8D8" ID-CoL="4JK7N" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="pellucida">
<emphasis id="07AA3F7EFF9E3A6F19AD46ED898EF8D8" italics="true" pageId="12" pageNumber="120">P. pellucida</emphasis>
</taxonomicName>
within the Mediterranean Sea.
</paragraph>
<paragraph id="3561E36CFF9E3A6F1CED472B8DDDF8AD" blockId="12.[151,1436,151,2013]" pageId="12" pageNumber="120">
With respect to the third
<taxonomicName id="F2DE98EFFF9E3A6F1DDB472B8B17F8F5" ID-CoL="7PSJC" box="[497,614,1807,1832]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="genus">
<emphasis id="07AA3F7EFF9E3A6F1DDB472B8B17F8F5" box="[497,614,1807,1832]" italics="true" pageId="12" pageNumber="120">Planocera</emphasis>
</taxonomicName>
species cited for the Mediterranean shores,
<taxonomicName id="F2DE98EFFF9E3A6F185A473589ABF890" ID-CoL="4JK6F" authority="Palombi, 1936" authorityName="Palombi" authorityYear="1936" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="ceratommata">
<emphasis id="07AA3F7EFF9E3A6F185A47358C52F8F5" box="[1136,1315,1809,1832]" italics="true" pageId="12" pageNumber="120">P. ceratommata</emphasis>
(
<bibRefCitation id="514F9E9DFF9E3A6F191C472B89A2F890" author="Palombi" pageId="12" pageNumber="120" refString="Palombi, A. (1936) Policladi liberi e commensali raccolti sulle coste del Sud Africa, della Florida e del Golfe di Napoli. Archivio Zoologico Italiano, 23, 1 - 45, t. 1." type="journal article" year="1936">Palombi, 1936</bibRefCitation>
)
</taxonomicName>
, this species is actually the most cited species of the genus
<taxonomicName id="F2DE98EFFF9E3A6F1F9247108D5CF890" ID-CoL="7PSJC" box="[952,1069,1844,1869]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="genus">
<emphasis id="07AA3F7EFF9E3A6F1F9247108D5CF890" box="[952,1069,1844,1869]" italics="true" pageId="12" pageNumber="120">Planocera</emphasis>
</taxonomicName>
within the Mediterranean Sea, although it was originally described for Still Bay, Cape Town (
<collectingCountry id="4DC9A3FCFF9E3A6F1F7E47738A96F8AD" box="[852,999,1879,1904]" name="South Africa" pageId="12" pageNumber="120">South Africa</collectingCountry>
) (
<bibRefCitation id="514F9E9DFF9E3A6F1FD747738DEEF8AD" author="Palombi" box="[1021,1183,1879,1904]" pageId="12" pageNumber="120" refString="Palombi, A. (1936) Policladi liberi e commensali raccolti sulle coste del Sud Africa, della Florida e del Golfe di Napoli. Archivio Zoologico Italiano, 23, 1 - 45, t. 1." type="journal article" year="1936">Palombi 1936</bibRefCitation>
).
</paragraph>
<paragraph id="3561E36CFF9E3A6E1CED47588A89FE12" blockId="12.[151,1436,151,2013]" lastBlockId="13.[151,1436,151,464]" lastPageId="13" lastPageNumber="121" pageId="12" pageNumber="120">
Unfortunately, the original material of
<taxonomicName id="F2DE98EFFF9E3A6F1EBA47598A34F849" ID-CoL="4JK6F" box="[656,837,1917,1940]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="ceratommata">
<emphasis id="07AA3F7EFF9E3A6F1EBA47598A34F849" box="[656,837,1917,1940]" italics="true" pageId="12" pageNumber="120">P. ceratommata</emphasis>
</taxonomicName>
is missing, but numerous similarities between this species and
<taxonomicName id="F2DE98EFFF9E3A6F1D34478588D3F864" ID-CoL="4JK7N" box="[286,418,1952,1977]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="pellucida">
<emphasis id="07AA3F7EFF9E3A6F1D34478588D3F864" box="[286,418,1952,1977]" italics="true" pageId="12" pageNumber="120">P. pellucida</emphasis>
</taxonomicName>
suggest a possible case of synonymy; although, some differences must also be considered, that not allow a synomization. The most significant variation between
<taxonomicName id="F2DE98EFFF9E3A6F1FE947E18D11F801" box="[963,1120,1989,2012]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="120" phylum="Platyhelminthes" rank="species" species="ceratomata">
<emphasis id="07AA3F7EFF9E3A6F1FE947E18D11F801" box="[963,1120,1989,2012]" italics="true" pageId="12" pageNumber="120">P. ceratomata</emphasis>
</taxonomicName>
from
<collectingCountry id="4DC9A3FCFF9E3A6F188347E08C4AF800" box="[1193,1339,1988,2013]" name="South Africa" pageId="12" pageNumber="120">South Africa</collectingCountry>
and our material lies in the arrangement of the eyes. In
<taxonomicName id="F2DE98EFFF9F3A6E1E8C40BD8A5BFF6D" ID-CoL="4JK7N" box="[678,810,151,176]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="13" pageNumber="121" phylum="Platyhelminthes" rank="species" species="pellucida">
<emphasis id="07AA3F7EFF9F3A6E1E8C40BD8A5BFF6D" box="[678,810,151,176]" italics="true" pageId="13" pageNumber="121">P. pellucida</emphasis>
</taxonomicName>
, the tentacular eyes surround the tentacles in an orderly (stereotypical) manner, whereas in
<taxonomicName id="F2DE98EFFF9F3A6E1E0040998BADFF09" ID-CoL="4JK6F" box="[554,732,189,212]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="13" pageNumber="121" phylum="Platyhelminthes" rank="species" species="ceratommata">
<emphasis id="07AA3F7EFF9F3A6E1E0040998BADFF09" box="[554,732,189,212]" italics="true" pageId="13" pageNumber="121">P. ceratommata</emphasis>
</taxonomicName>
the arrangement of the eyes is irregular (
<bibRefCitation id="514F9E9DFF9F3A6E1897409889C7FF25" author="Palombi" pageId="13" pageNumber="121" refString="Palombi, A. (1936) Policladi liberi e commensali raccolti sulle coste del Sud Africa, della Florida e del Golfe di Napoli. Archivio Zoologico Italiano, 23, 1 - 45, t. 1." type="journal article" year="1936">Palombi, 1936; fig. 17</bibRefCitation>
). A similar pattern is also observed for the cerebral eyes. Another difference concerns the organisation of the prostatic vesicle. According to
<bibRefCitation id="514F9E9DFF9F3A6E1E3E41208BBCFEC0" author="Palombi" box="[532,717,260,285]" pageId="13" pageNumber="121" refString="Palombi, A. (1936) Policladi liberi e commensali raccolti sulle coste del Sud Africa, della Florida e del Golfe di Napoli. Archivio Zoologico Italiano, 23, 1 - 45, t. 1." type="journal article" year="1936">Palombi (1936)</bibRefCitation>
, the copulatory organ “É formato de una grossa vescicola glandulare granulosa avvolta di una rica fascci muscolare costituita di fibri longitudinale e circolari” (“It is formed by a large glandular prostatic vesicle involved by well developed bundles of muscles formed by longitudinal and circular fibers&quot;); this description, together with the figure (
<bibRefCitation id="514F9E9DFF9F3A6E1F03414B8D53FE55" author="Palombi" box="[809,1058,367,392]" pageId="13" pageNumber="121" refString="Palombi, A. (1936) Policladi liberi e commensali raccolti sulle coste del Sud Africa, della Florida e del Golfe di Napoli. Archivio Zoologico Italiano, 23, 1 - 45, t. 1." type="journal article" year="1936">Palombi 1936, fig. 18</bibRefCitation>
), illustrate a prostatic vesicle that is different from the vesicle in
<taxonomicName id="F2DE98EFFF9F3A6E1DD341B18B0FFE70" ID-CoL="4JK7N" box="[505,638,404,429]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="13" pageNumber="121" phylum="Platyhelminthes" rank="species" species="pellucida">
<emphasis id="07AA3F7EFF9F3A6E1DD341B18B0FFE70" box="[505,638,404,429]" italics="true" pageId="13" pageNumber="121">P. pellucida</emphasis>
</taxonomicName>
described by
<bibRefCitation id="514F9E9DFF9F3A6E1F3541B08AC0FE71" author="Bock" box="[799,945,404,429]" pageId="13" pageNumber="121" refString="Bock, S. (1913) Studien ueber Polycladen. Zoologiska bidrag fran Uppsala, 2, 31 - 344." type="journal article" year="1913">Bock (1913)</bibRefCitation>
. Nevertheless, we assume that many of the records of
<taxonomicName id="F2DE98EFFF9F3A6E1D24419D88CFFE0D" ID-CoL="4JK6F" box="[270,446,441,464]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="13" pageNumber="121" phylum="Platyhelminthes" rank="species" species="ceratommata">
<emphasis id="07AA3F7EFF9F3A6E1D24419D88CFFE0D" box="[270,446,441,464]" italics="true" pageId="13" pageNumber="121">P. ceratommata</emphasis>
</taxonomicName>
for the Mediterranean in fact concern
<taxonomicName id="F2DE98EFFF9F3A6E1F47419D8A80FE0D" ID-CoL="4JK7N" box="[877,1009,439,464]" class="Rhabditophora" family="Planoceridae" genus="Planocera" kingdom="Animalia" order="Polycladida" pageId="13" pageNumber="121" phylum="Platyhelminthes" rank="species" species="pellucida">
<emphasis id="07AA3F7EFF9F3A6E1F47419D8A80FE0D" box="[877,1009,439,464]" italics="true" pageId="13" pageNumber="121">P. pellucida</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>