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<mods:title id="CDD367B09551A45B9E6F0EC5DC21B787">The polyclad fauna (Platyhelminthes, Rhabditophora) of the Sinop Peninsula (Black Sea, Turkey) with a description of a new species of Cryptocelis Lang, 1884 Abstract</mods:title>
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<mods:affiliation id="C5DF29B34526CD0CDEDA444CA377311C">University of Tunis El Manar, Faculty of Sciences of Tunis, LR 18 ES 41 Lab. of Ecology, Biology and Physiology of Aquatic Organisms, 2092, Tunis, Tunisia</mods:affiliation>
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<paragraph id="C12536DFFC25FF9D5D86F912AA34F958" blockId="11.[151,731,1667,1821]" box="[151,590,1763,1790]" pageId="11" pageNumber="151">
<heading id="9A6D81B3FC25FF9D5D86F912AA34F958" box="[151,590,1763,1790]" fontSize="11" level="2" pageId="11" pageNumber="151" reason="5">
<taxonomicName id="069A4D5CFC25FF9D5D86F912AA34F958" ID-CoL="38JTY" authority="Haswell, 1907" authorityName="Haswell" authorityYear="1907" box="[151,590,1763,1790]" family="Gnesiocerotidae" genus="Echinoplana" kingdom="Animalia" order="Polycladida" pageId="11" pageNumber="151" phylum="Platyhelminthes" rank="species" species="celerrima">
<emphasis id="F3EEEACDFC25FF9D5D86F912AA34F958" bold="true" box="[151,590,1763,1790]" pageId="11" pageNumber="151">
<emphasis id="F3EEEACDFC25FF9D5D86F912A9D8F95B" bold="true" box="[151,418,1763,1790]" italics="true" pageId="11" pageNumber="151">Echinoplana celerrima</emphasis>
<bibRefCitation id="A50B4B2EFC25FF9D5CB8F912AA34F958" author="Haswell, W. A." box="[425,590,1763,1789]" pageId="11" pageNumber="151" pagination="465 - 485" refId="ref9911" refString="Haswell, W. A., 1907. Observations on Australian polyclads. Transactions of the Linnean Society of London. 2 d ser.: Zoology, 9, 465 - 485. https: // www. biodiversitylibrary. org /" type="journal article" year="1907">Haswell, 1907</bibRefCitation>
</emphasis>
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</paragraph>
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<paragraph id="C12536DFFC25FF9D5D86F8F2A92FF8B8" blockId="11.[151,731,1667,1821]" box="[151,341,1795,1821]" pageId="11" pageNumber="151">
(
<figureCitation id="59A12A5AFC25FF9D5D8EF8F2A88EF8B8" box="[159,244,1795,1821]" captionStart="Fig" captionStartId="10.[129,168,1371,1395]" captionTargetBox="[289,1278,151,1353]" captionTargetId="figure-312@10.[279,1290,148,1357]" captionTargetPageId="10" captionText="Fig. 6: Sagittal sections of the reproductive system of A, Echinoplana celerrima; B, Leptoplana mediterranea; C, Leptoplana tremellaris. Abbreviations to the figures: cb, cirrus bulb; cg, cement glands; cr, cirrus; ed, ejaculatory duct; mp, male gonopore; ph, pharynx; pv, prostatic vesicle; sv, seminal vesicle; vd, vas deferens. Scale bars: A: 500 µm; B: 200 µm; C: 500 µm." figureDoi="http://doi.org/10.5281/zenodo.11988424" httpUri="https://zenodo.org/record/11988424/files/figure.png" pageId="11" pageNumber="151">Fig. 6A</figureCitation>
and
<figureCitation id="59A12A5AFC25FF9D5C3AF8F2A936F8B8" box="[299,332,1795,1821]" captionStart="Fig" captionStartId="12.[130,169,1134,1158]" captionTargetBox="[296,1269,166,1099]" captionTargetId="figure-387@12.[281,1286,151,1117]" captionTargetPageId="12" captionText="Fig. 8: Pleioplana okusi. A, sagittal section of the prostatic vesicle; B, sagittal section of the ovary; C-D, sagittal section of the vagina and female atrium. The arrows point the sperm mass. Abbreviations to the figures: ch, tubular chamber of the prostatic vesicle; ed, ejaculatory duct; fg, female gonopore; o, ovary; pi, epidermal pigment; pp, penis papilla; pv, prostatic vesicle. Scale bars: A: 100 µm; B: 50 µm; C: 30 µm; D: 50 µm." figureDoi="http://doi.org/10.5281/zenodo.11988445" httpUri="https://zenodo.org/record/11988445/files/figure.png" pageId="11" pageNumber="151">8B</figureCitation>
)
</paragraph>
<paragraph id="C12536DFFC25FF9D5DACF8B2A9D8F87B" blockId="11.[151,789,1859,2078]" pageId="11" pageNumber="151">
<emphasis id="F3EEEACDFC25FF9D5DACF8B2A9C9F8F8" box="[189,435,1859,1885]" italics="true" pageId="11" pageNumber="151">Material examined.</emphasis>
Nine mature specimens,
<date id="B524101FFC25FF9D5D86F892A962F8D8" box="[151,280,1891,1917]" pageId="11" pageNumber="151" value="2014-01-21">21.01.2014</date>
, station M2,
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deep. Three mature specimens,
<date id="B524101FFC25FF9D5DF0F872A918F838" box="[225,354,1923,1949]" pageId="11" pageNumber="151" value="2014-01-22">22.01.2014</date>
, station M3,
<quantity id="06629B3AFC25FF9D5CE7F872AA58F83B" box="[502,546,1923,1950]" metricMagnitude="0" metricUnit="m" metricValue="5.0" pageId="11" pageNumber="151" unit="m" value="5.0">5 m</quantity>
deep.
<specimenCount id="D79CFD56FC25FF9D5F7FF872AB6BF838" box="[622,785,1923,1949]" count="1" pageId="11" pageNumber="151" type="generic">One specimen</specimenCount>
,
<date id="B524101FFC25FF9D5D86F852A962F81B" box="[151,280,1955,1982]" pageId="11" pageNumber="151" value="2014-12-05">12.05.2014</date>
,
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deep, station M1.
<specimenCount id="D79CFD56FC25FF9D5F06F852AACFF818" box="[535,693,1955,1981]" count="1" pageId="11" pageNumber="151" type="generic">One specimen</specimenCount>
sagittally sectioned (16 slides).
</paragraph>
<paragraph id="C12536DFFC25FF9D5DACF815AB6FF7B8" blockId="11.[151,789,1859,2078]" pageId="11" pageNumber="151">
<emphasis id="F3EEEACDFC25FF9D5DACF815A933F858" box="[189,329,2020,2045]" italics="true" pageId="11" pageNumber="151">Description.</emphasis>
Body broadly oval. Preserved specimens between
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long and 37 width. Dorsal surface
</paragraph>
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<emphasis id="F3EEEACDFC25FF9D5D86F7BEA983F7C1" box="[151,505,2127,2148]" italics="true" pageId="11" pageNumber="151">
Medit. Mar. Sci.,
<date id="B524101FFC25FF9D5C2CF7BEA9DAF7C1" box="[317,416,2127,2148]" pageId="11" pageNumber="151" value="2021-01-22">22/1 2021</date>
, 141-156
</emphasis>
</paragraph>
<paragraph id="C12536DFFC25FF9D5E24FAF2AC35FAD8" blockId="11.[821,1459,1283,2078]" pageId="11" pageNumber="151">
background color brownish, ventrally colorless, and transparent. Tentacles wanting. Two elongated clusters of cerebral eyes, tentacular eyes basal, apparent only in a few specimens (
<figureCitation id="59A12A5AFC25FF9D5EFBFA92AC38FAD8" box="[1002,1090,1379,1405]" captionStart="Fig" captionStartId="12.[130,169,1134,1158]" captionTargetBox="[296,1269,166,1099]" captionTargetId="figure-387@12.[281,1286,151,1117]" captionTargetPageId="12" captionText="Fig. 8: Pleioplana okusi. A, sagittal section of the prostatic vesicle; B, sagittal section of the ovary; C-D, sagittal section of the vagina and female atrium. The arrows point the sperm mass. Abbreviations to the figures: ch, tubular chamber of the prostatic vesicle; ed, ejaculatory duct; fg, female gonopore; o, ovary; pi, epidermal pigment; pp, penis papilla; pv, prostatic vesicle. Scale bars: A: 100 µm; B: 50 µm; C: 30 µm; D: 50 µm." figureDoi="http://doi.org/10.5281/zenodo.11988445" httpUri="https://zenodo.org/record/11988445/files/figure.png" pageId="11" pageNumber="151">Fig. 8B</figureCitation>
).
</paragraph>
<paragraph id="C12536DFFC25FF9D5E4AFA75AC71FA58" blockId="11.[821,1459,1283,2078]" pageId="11" pageNumber="151">
<emphasis id="F3EEEACDFC25FF9D5E4AFA75AC5BFA38" box="[859,1057,1412,1437]" italics="true" pageId="11" pageNumber="151">Digestive system.</emphasis>
A ruffled pharynx lies in the midthird of the body and possesses 8 to 12 pairs of lateral folds. Mouth opening slightly posterior to the middle of pharyngeal pocket.
</paragraph>
<paragraph id="C12536DFFC25FF9D5E4AF9F2AB9FF97B" blockId="11.[821,1459,1283,2078]" pageId="11" pageNumber="151">
<emphasis id="F3EEEACDFC25FF9D5E4AF9F2AC30F9B8" box="[859,1098,1539,1565]" italics="true" pageId="11" pageNumber="151">Reproductive system.</emphasis>
Male gonopore behind the distal margin of the pharynx. Cirrus sac consisting of thick layers of musculature armed with sclerotized teeth. Prostatic vesicle interpolated, lined with glandular epithelium thrown into radial folds. Seminal vesicle four times smaller than prostatic vesicle and located ventrally to the latter (
<figureCitation id="59A12A5AFC25FF9D5E6FF932ABA2F97B" box="[894,984,1731,1758]" captionStart="Fig" captionStartId="10.[129,168,1371,1395]" captionTargetBox="[289,1278,151,1353]" captionTargetId="figure-312@10.[279,1290,148,1357]" captionTargetPageId="10" captionText="Fig. 6: Sagittal sections of the reproductive system of A, Echinoplana celerrima; B, Leptoplana mediterranea; C, Leptoplana tremellaris. Abbreviations to the figures: cb, cirrus bulb; cg, cement glands; cr, cirrus; ed, ejaculatory duct; mp, male gonopore; ph, pharynx; pv, prostatic vesicle; sv, seminal vesicle; vd, vas deferens. Scale bars: A: 500 µm; B: 200 µm; C: 500 µm." figureDoi="http://doi.org/10.5281/zenodo.11988424" httpUri="https://zenodo.org/record/11988424/files/figure.png" pageId="11" pageNumber="151">Fig. 6A</figureCitation>
).
</paragraph>
<paragraph id="C12536DFFC25FF9D5E4AF912AD14F8F8" blockId="11.[821,1459,1283,2078]" pageId="11" pageNumber="151">
Female gonopore
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behind the male one. Between them, there is a corrugated surface consisting of glandular epithelium. The vagina is oriented anteriorly, Langs vesicle and ductus vaginalis not developed.
</paragraph>
<paragraph id="C12536DFFC25FF9D5E4AF892ADC9F7B8" blockId="11.[821,1459,1283,2078]" pageId="11" pageNumber="151">
<emphasis id="F3EEEACDFC25FF9D5E4AF892ABBEF8D8" box="[859,964,1891,1917]" italics="true" pageId="11" pageNumber="151">Remarks.</emphasis>
The color pattern, the organization of the male system, and the presence of a corrugated ventral area between the gonopores (genital sucker) agree with the descriptions of
<taxonomicName id="069A4D5CFC25FF9D591CF832AD6AF878" authorityName="Haswell" authorityYear="1907" box="[1037,1296,1987,2013]" family="Gnesiocerotidae" genus="Echinoplana" kingdom="Animalia" order="Polycladida" pageId="11" pageNumber="151" phylum="Platyhelminthes" rank="species" species="celerrima">
<emphasis id="F3EEEACDFC25FF9D591CF832AD6AF878" box="[1037,1296,1987,2013]" italics="true" pageId="11" pageNumber="151">Echinoplana celerrima</emphasis>
</taxonomicName>
from the Indo Pacific and Mediterranean waters (
<bibRefCitation id="A50B4B2EFC25FF9D59D8F812AD08F85B" author="Haswell, W. A." box="[1225,1394,2019,2046]" pageId="11" pageNumber="151" pagination="465 - 485" refId="ref9911" refString="Haswell, W. A., 1907. Observations on Australian polyclads. Transactions of the Linnean Society of London. 2 d ser.: Zoology, 9, 465 - 485. https: // www. biodiversitylibrary. org /" type="journal article" year="1907">Haswell, 1907</bibRefCitation>
;
<bibRefCitation id="A50B4B2EFC25FF9D5890F812ABD0F7BB" author="Galleni, L." pageId="11" pageNumber="151" pagination="139 - 148" refId="ref9668" refString="Galleni, L., 1979. - Policladi delle coste toscane - III - Echinoplana celerrima Haswell planoceride nuovo per il Mediterraneo e note sul genere Echinoplana. Memorie della Societa Toscana die scienze Naturali, Serie B (85), 139 - 148." type="journal article" year="1979">Galleni, 1979</bibRefCitation>
;
<bibRefCitation id="A50B4B2EFC25FF9D5EA9F7F2AC1AF7BB" author="Prudhoe, S." box="[952,1120,2051,2078]" pageId="11" pageNumber="151" pagination="361 - 384" refId="ref10663" refString="Prudhoe, S., 1982. Polyclad turbellarians from the southern coasts of Australia. Records of the South Australian Museum, 18, 361 - 384. https: // www. biodiversitylibrary. org / item / 127010 # page / 380 / mode / 1 up" type="journal article" year="1982">Prudhoe, 1982</bibRefCitation>
;
<bibRefCitation id="A50B4B2EFC25FF9D597FF7F2AD5DF7BB" author="Holleman, J. J." box="[1134,1319,2051,2078]" pageId="11" pageNumber="151" pagination="1 - 17" refId="ref9959" refString="Holleman, J. J., 2007. Some New Zealand Polyclads (Platyhelminthes, Polycladida). Zootaxa, 1560, 1 - 17. https: // doi. org / 10.11646 / zootaxa. 1560.1.1" type="journal article" year="2007">Holleman, 2007</bibRefCitation>
; Gammoudi
</paragraph>
<paragraph id="C12536DFFC25FF9D5880F7BEADCFF7C0" blockId="11.[1425,1461,2127,2149]" box="[1425,1461,2127,2149]" pageId="11" pageNumber="151">151</paragraph>
<caption id="95E56657FC22FF9A5D93FB9FAC4CFB42" ID-DOI="http://doi.org/10.5281/zenodo.11988445" ID-Zenodo-Dep="11988445" httpUri="https://zenodo.org/record/11988445/files/figure.png" pageId="12" pageNumber="152" startId="12.[130,169,1134,1158]" targetBox="[296,1269,166,1099]" targetPageId="12" targetType="figure">
<paragraph id="C12536DFFC22FF9A5D93FB9FAC4CFB42" blockId="12.[130,1438,1132,1255]" pageId="12" pageNumber="152">
<emphasis id="F3EEEACDFC22FF9A5D93FB9FA8B1FB23" bold="true" box="[130,203,1134,1158]" italics="true" pageId="12" pageNumber="152">Fig. 8:</emphasis>
<taxonomicName id="069A4D5CFC22FF9A5DC5FB9DA9EEFB23" authorityName="Bulnes, Kalkan and Karahan" authorityYear="2009" box="[212,404,1132,1158]" family="Pleioplanidae" genus="Pleioplana" kingdom="Animalia" order="Polycladida" pageId="12" pageNumber="152" phylum="Platyhelminthes" rank="species" species="okusi">
<emphasis id="F3EEEACDFC22FF9A5DC5FB9DA9EEFB23" box="[212,404,1132,1158]" italics="true" pageId="12" pageNumber="152">Pleioplana okusi</emphasis>
</taxonomicName>
. A, sagittal section of the prostatic vesicle; B, sagittal section of the ovary; C-D, sagittal section of the vagina and female atrium. The arrows point the sperm mass. Abbreviations to the figures: ch, tubular chamber of the prostatic vesicle; ed, ejaculatory duct; fg, female gonopore; o, ovary; pi, epidermal pigment; pp, penis papilla; pv, prostatic vesicle. Scale bars: A: 100 µm; B: 50 µm; C: 30 µm; D: 50 µm.
</paragraph>
</caption>
<paragraph id="C12536DFFC22FF9A5D90FAD5AA85F99B" blockId="12.[129,767,1315,1598]" pageId="12" pageNumber="152">
<emphasis id="F3EEEACDFC22FF9A5D90FAD5A8C3FA98" box="[129,185,1315,1341]" italics="true" pageId="12" pageNumber="152">et al.</emphasis>
2009); nevertheless, some variability was detected. The specimens from the Black Sea lack the median dark band and, in some of the revised material, the tentacular eyes were wanting although present in all other described specimens. Regarding the reproductive system, the Lang´s vesicle varies from rudimentary (
<bibRefCitation id="A50B4B2EFC22FF9A5F5EFA32AA8CFA78" author="Prudhoe, S." box="[591,758,1475,1501]" pageId="12" pageNumber="152" pagination="361 - 384" refId="ref10663" refString="Prudhoe, S., 1982. Polyclad turbellarians from the southern coasts of Australia. Records of the South Australian Museum, 18, 361 - 384. https: // www. biodiversitylibrary. org / item / 127010 # page / 380 / mode / 1 up" type="journal article" year="1982">Prudhoe, 1982</bibRefCitation>
) to well developed, and with a ductus vaginalis (
<bibRefCitation id="A50B4B2EFC22FF9A5F9AFA12A95CF9B8" author="Gammoudi, M. &amp; Tekaya, S. &amp; Norena, C." pageId="12" pageNumber="152" pagination="43 - 60" refId="ref9763" refString="Gammoudi, M., Tekaya, S., Norena, C., 2009. Contribution to the knowledge of acotylean polyclads (Platyhelminthes, Polycladida) from Tunisian coasts. Zootaxa, 2195, 43 - 60. https: // doi. org / 10.11646 / zootaxa. 2195.1.3" type="journal article" year="2009">
Gammoudi
<emphasis id="F3EEEACDFC22FF9A5DB0F9F5A8A4F9B8" box="[161,222,1539,1565]" italics="true" pageId="12" pageNumber="152">et al.</emphasis>
2009
</bibRefCitation>
). The rudimentary Lang´s vesicle in our sectioned specimen could suggest it was not fully mature.
</paragraph>
</subSubSection>
</treatment>
</document>