281 lines
40 KiB
XML
281 lines
40 KiB
XML
<document id="983F1B50C76D7E1D7D145B7A2DF47297" ID-CLB-Dataset="24922" ID-DOI="10.11646/zootaxa.4695.4.3" ID-GBIF-Dataset="f9db7b4c-11e2-4abb-86a0-8217d52cb61c" ID-ISSN="1175-5326" ID-Zenodo-Dep="3534784" ID-ZooBank="1CF2E78F-8B1A-4E53-9BB7-FAD3D5F06FDD" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1573454291555" checkinUser="plazi" docAuthor="Hu, Xiao-Zhou, Chen, Yu-Si, Zhong, Lin-Hong, Xie, Yao-Hang, Feng, Wei-Tao, Zhang, Yu & Wang, An-Tai" docDate="2019" docId="03C787A1FFBDFF8BB9D0FDEFFAF14675" docLanguage="en" docName="zootaxa.4695.4.3.pdf" docOrigin="Zootaxa 4695 (4)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Alcha sinensis Hu & Chen & Zhong & Xie & Feng & Zhang & Wang 2019, n. sp." docType="treatment" docVersion="10" lastPageNumber="354" masterDocId="FFFEFFD9FFBEFF8FB947FFF0FFAF4736" masterDocTitle="Two new species of Rhabdocoela (Polycystididae and Trigonostomidae) from China" masterLastPageNumber="366" masterPageNumber="351" pageNumber="354" updateTime="1702002411268" updateUser="plazi">
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<mods:title id="BA63B5A7BF378DDEC1BAFCF25B66E9F1">Two new species of Rhabdocoela (Polycystididae and Trigonostomidae) from China</mods:title>
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<mods:namePart id="5B9AE5105970A51D0642B2FA50BFB31B">Hu, Xiao-Zhou</mods:namePart>
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<mods:namePart id="186D562A2A354FB4BC7AD889E4961253">Chen, Yu-Si</mods:namePart>
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<mods:namePart id="210E8A538095C6E34596DBDAF420B80B">Zhong, Lin-Hong</mods:namePart>
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<mods:namePart id="DB983BE050C8C4CADF533647A65D9A97">Xie, Yao-Hang</mods:namePart>
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<mods:namePart id="AE4894CF69FBE76797CF1C1BF484474F">Feng, Wei-Tao</mods:namePart>
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<mods:namePart id="6EB5A6785916BC9B36667D64AF6D6CAD">Zhang, Yu</mods:namePart>
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<mods:namePart id="F60BA241788AF72C998BD7C681FC1D73">Wang, An-Tai</mods:namePart>
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<mods:title id="5A47534DAD1A4CC509A1594A70864CCD">Zootaxa</mods:title>
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<mods:part id="69A3ACA1696608388A695761E1D67B00">
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<mods:date id="D619A3BF5668EB586D95274030786B83">2019</mods:date>
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<mods:number id="4C6F59334FA37CFB00D4D43555420370">2019-11-11</mods:number>
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<mods:number id="DB4A0BB894E905AE66886603F0A072B8">4695</mods:number>
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<mods:identifier id="71CD71E63914DD4A8C4CBC56ACD0D56B" type="DOI">10.11646/zootaxa.4695.4.3</mods:identifier>
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<treatment id="03C787A1FFBDFF8BB9D0FDEFFAF14675" ID-DOI="http://doi.org/10.5281/zenodo.5587737" ID-GBIF-Taxon="160238658" ID-Zenodo-Dep="5587737" LSID="urn:lsid:plazi:treatment:03C787A1FFBDFF8BB9D0FDEFFAF14675" httpUri="http://treatment.plazi.org/id/03C787A1FFBDFF8BB9D0FDEFFAF14675" lastPageId="4" lastPageNumber="354" pageId="3" pageNumber="354">
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<subSubSection id="C374653CFFBDFF8CB9D0FDEFFD80450C" box="[151,559,543,570]" pageId="3" pageNumber="354" type="nomenclature">
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<paragraph id="8BD136B7FFBDFF8CB9D0FDEFFD80450C" blockId="3.[151,559,543,606]" box="[151,559,543,570]" pageId="3" pageNumber="354">
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<heading id="D09981DBFFBDFF8CB9D0FDEFFD80450C" bold="true" box="[151,559,543,570]" fontSize="11" level="1" pageId="3" pageNumber="354" reason="1">
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<emphasis id="B91AEAA5FFBDFF8CB9D0FDEFFD80450C" bold="true" box="[151,559,543,570]" pageId="3" pageNumber="354">
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<taxonomicName id="4C6E4D34FFBDFF8CB9D0FDEFFE4A450C" authority="Wang & Hu" authorityName="Hu & Chen & Zhong & Xie & Feng & Zhang & Wang" authorityYear="2019" box="[151,485,543,570]" class="Rhabditophora" family="Polycystididae" genus="Alcha" kingdom="Animalia" order="Rhabdocoela" pageId="3" pageNumber="354" phylum="Platyhelminthes" rank="species" species="sinensis" status="sp. nov.">
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<emphasis id="B91AEAA5FFBDFF8CB9D0FDEFFEE9450C" bold="true" box="[151,326,543,570]" italics="true" pageId="3" pageNumber="354">Alcha sinensis</emphasis>
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Wang & Hu
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</taxonomicName>
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<taxonomicNameLabel id="A22957DEFFBDFF8CB8AAFDD0FD80450C" box="[493,559,544,570]" pageId="3" pageNumber="354" rank="species">n. sp.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C374653CFFBDFF8CB9D0FDB3FEBD4568" box="[151,274,579,606]" pageId="3" pageNumber="354" type="description">
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<paragraph id="8BD136B7FFBDFF8CB9D0FDB3FEBD4568" blockId="3.[151,559,543,606]" box="[151,274,579,606]" pageId="3" pageNumber="354">
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(
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<figureCitation id="13552A32FFBDFF8CB9D8FDB3FEA64568" box="[159,265,579,606]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStartId-0="4.[151,250,1964,1989]" captionStartId-1="5.[151,250,1964,1989]" captionStartId-2="6.[151,250,1611,1636]" captionTargetBox-0="[188,1399,330,1945]" captionTargetBox-1="[151,1435,221,1825]" captionTargetBox-2="[173,1420,196,1552]" captionTargetId-0="figure@4.[188,1399,330,1945]" captionTargetId-1="figure@5.[151,1435,221,1825]" captionTargetId-2="figure@6.[151,1435,174,1565]" captionTargetPageId-0="4" captionTargetPageId-1="5" captionTargetPageId-2="6" captionText-0="FIGURE 1. Alcha sinensis n. sp.: (A) live specimen; (B) squeezed live specimen; (C–F) reproductive organs (partim); (G–J) stylet." captionText-1="FIGURE 2. Alcha sinensis n. sp.: (A) whole-mounted specimen; (B) mounted specimen, reproductive organs (partim); (C–F) serially-sectioned (sagittal) specimens." captionText-2="FIGURE 3. Alcha sinensis n. sp.: (A) pigmentation; (B) whole body pattern; (C) sagittal reconstruction of atrial organs, showing reproductive organs (partim); (D–F) stylet." figureDoi-0="http://doi.org/10.5281/zenodo.3534786" figureDoi-1="http://doi.org/10.5281/zenodo.3534788" figureDoi-2="http://doi.org/10.5281/zenodo.3534790" httpUri-0="https://zenodo.org/record/3534786/files/figure.png" httpUri-1="https://zenodo.org/record/3534788/files/figure.png" httpUri-2="https://zenodo.org/record/3534790/files/figure.png" pageId="3" pageNumber="354">Figs. 1–3</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C374653CFFBDFF8CB9D0FD75FEEF4406" pageId="3" pageNumber="354" type="materials_examined">
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<materialsCitation id="3B063CEAFFBDFF8CB9D0FD75FEEF4406" ID-GBIF-Occurrence="2556160897" collectionCode="PLA-Po" country="China" location="Guangdong Province" pageId="3" pageNumber="354" specimenCode="PLA-Po091, PLA-Po094-095" specimenCount="2" stateProvince="Guangdong Province" typeStatus="holotype">
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<paragraph id="8BD136B7FFBDFF8CB9D0FD75FCB845F2" blockId="3.[151,1437,645,2041]" pageId="3" pageNumber="354">
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||
<emphasis id="B91AEAA5FFBDFF8CB9D0FD75FF504596" bold="true" box="[151,255,645,672]" pageId="3" pageNumber="354">Locality.</emphasis>
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||
Specimens were collected in the intertidal zone of Eastern Shenzhen City,
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<collectingRegion id="49AAF855FFBDFF8CBD1CFD76FAE34596" box="[1115,1356,646,672]" country="China" name="Guangdong" pageId="3" pageNumber="354">Guangdong Province</collectingRegion>
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,
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<collectingCountry id="F3797627FFBDFF8CBC1EFD76FA334596" box="[1369,1436,646,672]" name="China" pageId="3" pageNumber="354">China</collectingCountry>
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||
(
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<geoCoordinate id="EE5A5070FFBDFF8CB9D8FD59FEDA45F2" box="[159,373,681,708]" pageId="3" pageNumber="354">22°28′N, 114°32′E</geoCoordinate>
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) by LH Zhong in the March of 2018.
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</paragraph>
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<paragraph id="8BD136B7FFBDFF8CB980FD3DFEEF4406" blockId="3.[151,1437,645,2041]" pageId="3" pageNumber="354">
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||
<emphasis id="B91AEAA5FFBDFF8CB980FD3DFE1C45DE" bold="true" box="[199,435,717,744]" pageId="3" pageNumber="354">Material examined.</emphasis>
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<typeStatus id="54D58815FFBDFF8CB8FAFD3EFD8545DE" box="[445,554,718,744]" pageId="3" pageNumber="354" type="holotype">Holotype</typeStatus>
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:
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<specimenCode id="DBC89ECCFFBDFF8CBB70FD3EFD1045DE" box="[567,703,718,744]" collectionCode="PLA-Po" pageId="3" pageNumber="354">PLA-Po091</specimenCode>
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, whole-mounted specimen.
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<typeStatus id="54D58815FFBDFF8CBD46FD3FFBDD45DF" box="[1025,1138,719,745]" pageId="3" pageNumber="354" type="paratype">Paratypes</typeStatus>
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: PLA-Po092–093, wholemounted
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<specimenCount id="9D68FD3EFFBDFF8CB846FD02FED6443A" box="[257,377,754,780]" pageId="3" pageNumber="354" type="generic">specimens</specimenCount>
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||
;
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||
<specimenCode id="DBC89ECCFFBDFF8CB8C1FD01FDED443A" box="[390,578,753,780]" collectionCode="PLA-Po" pageId="3" pageNumber="354">PLA-Po094-095</specimenCode>
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||
, whole-mounted slides of stylet; PLA-Po096–102, serially sectioned (sagittal)
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<specimenCount id="9D68FD3EFFBDFF8CB983FCE6FE934406" box="[196,316,790,816]" pageId="3" pageNumber="354" type="generic">specimens</specimenCount>
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.
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</paragraph>
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||
</materialsCitation>
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||
</subSubSection>
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<subSubSection id="C374653CFFBDFF8CB980FCCAFCC14462" box="[199,878,826,852]" pageId="3" pageNumber="354" type="etymology">
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<paragraph id="8BD136B7FFBDFF8CB980FCCAFCC14462" blockId="3.[151,1437,645,2041]" box="[199,878,826,852]" pageId="3" pageNumber="354">
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<emphasis id="B91AEAA5FFBDFF8CB980FCCAFEE14462" bold="true" box="[199,334,826,852]" pageId="3" pageNumber="354">Etymology.</emphasis>
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The species is named for its discovery in
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<collectingCountry id="F3797627FFBDFF8CBA63FCCAFCC44462" box="[804,875,826,852]" name="China" pageId="3" pageNumber="354">China</collectingCountry>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C374653CFFBDFF8CB980FCADFC41415A" pageId="3" pageNumber="354" type="description">
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<paragraph id="8BD136B7FFBDFF8CB980FCADFBAA4366" blockId="3.[151,1437,645,2041]" pageId="3" pageNumber="354">
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<emphasis id="B91AEAA5FFBDFF8CB980FCADFEF6444E" bold="true" box="[199,345,861,888]" pageId="3" pageNumber="354">Description.</emphasis>
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Matured individuals are 557–794 μm in length, 100–140 μm in width (n=3). It is in fusiform while swimming. Between the parenchymal cells, the yellow perivisceral fluid makes its body yellowish-brown, while dark-blue pigment can be observed in the center of its body (
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<figureCitation id="13552A32FFBDFF8CBA04FC56FC3744F6" box="[835,920,934,960]" captionStart="FIGURE 1" captionStartId="4.[151,250,1964,1989]" captionTargetBox="[188,1399,330,1945]" captionTargetId="figure@4.[188,1399,330,1945]" captionTargetPageId="4" captionText="FIGURE 1. Alcha sinensis n. sp.: (A) live specimen; (B) squeezed live specimen; (C–F) reproductive organs (partim); (G–J) stylet." figureDoi="http://doi.org/10.5281/zenodo.3534786" httpUri="https://zenodo.org/record/3534786/files/figure.png" pageId="3" pageNumber="354">Fig. 1A</figureCitation>
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& C–D, 3A). Proboscis cone-shaped, 99–135 μm in length and 51–69 μm in diameter of the base (n=3,
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<figureCitation id="13552A32FFBDFF8CBA60FC3AFCCB44D2" box="[807,868,970,996]" captionStart="FIGURE 1" captionStartId="4.[151,250,1964,1989]" captionTargetBox="[188,1399,330,1945]" captionTargetId="figure@4.[188,1399,330,1945]" captionTargetPageId="4" captionText="FIGURE 1. Alcha sinensis n. sp.: (A) live specimen; (B) squeezed live specimen; (C–F) reproductive organs (partim); (G–J) stylet." figureDoi="http://doi.org/10.5281/zenodo.3534786" httpUri="https://zenodo.org/record/3534786/files/figure.png" pageId="3" pageNumber="354">Fig. 1</figureCitation>
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A–B, 2A, 3A–B). The paired circular eyes, 16–19 μm in diameter (n=3), are situated posterior to the pharynx. Distance between eyes is 40–55 μm (n=3,
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<figureCitation id="13552A32FFBDFF8CBC59FC1EFAF4433E" box="[1310,1371,1006,1032]" captionStart="FIGURE 1" captionStartId="4.[151,250,1964,1989]" captionTargetBox="[188,1399,330,1945]" captionTargetId="figure@4.[188,1399,330,1945]" captionTargetPageId="4" captionText="FIGURE 1. Alcha sinensis n. sp.: (A) live specimen; (B) squeezed live specimen; (C–F) reproductive organs (partim); (G–J) stylet." figureDoi="http://doi.org/10.5281/zenodo.3534786" httpUri="https://zenodo.org/record/3534786/files/figure.png" pageId="3" pageNumber="354">Fig. 1</figureCitation>
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A–B, 2A, 3A–B). The pharynx (38–43 μm in diameter, n=3) is located ventrally at 29% of the body (
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<figureCitation id="13552A32FFBDFF8CBD92FBE2FA83431A" box="[1237,1324,1042,1068]" captionStart="FIGURE 1" captionStartId="4.[151,250,1964,1989]" captionTargetBox="[188,1399,330,1945]" captionTargetId="figure@4.[188,1399,330,1945]" captionTargetPageId="4" captionText="FIGURE 1. Alcha sinensis n. sp.: (A) live specimen; (B) squeezed live specimen; (C–F) reproductive organs (partim); (G–J) stylet." figureDoi="http://doi.org/10.5281/zenodo.3534786" httpUri="https://zenodo.org/record/3534786/files/figure.png" pageId="3" pageNumber="354">Fig. 1B</figureCitation>
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,
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<figureCitation id="13552A32FFBDFF8CBC7DFBE2FAF1431A" box="[1338,1374,1042,1068]" captionStart="FIGURE 2" captionStartId="5.[151,250,1964,1989]" captionTargetBox="[151,1435,221,1825]" captionTargetId="figure@5.[151,1435,221,1825]" captionTargetPageId="5" captionText="FIGURE 2. Alcha sinensis n. sp.: (A) whole-mounted specimen; (B) mounted specimen, reproductive organs (partim); (C–F) serially-sectioned (sagittal) specimens." figureDoi="http://doi.org/10.5281/zenodo.3534788" httpUri="https://zenodo.org/record/3534788/files/figure.png" pageId="3" pageNumber="354">2A</figureCitation>
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,
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<figureCitation id="13552A32FFBDFF8CBC2CFBE2FA21431A" box="[1387,1422,1042,1068]" captionStart="FIGURE 3" captionStartId="6.[151,250,1611,1636]" captionTargetBox="[173,1420,196,1552]" captionTargetId="figure@6.[151,1435,174,1565]" captionTargetPageId="6" captionText="FIGURE 3. Alcha sinensis n. sp.: (A) pigmentation; (B) whole body pattern; (C) sagittal reconstruction of atrial organs, showing reproductive organs (partim); (D–F) stylet." figureDoi="http://doi.org/10.5281/zenodo.3534790" httpUri="https://zenodo.org/record/3534790/files/figure.png" pageId="3" pageNumber="354">3B</figureCitation>
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), while the pharyngeal pore has the four sclerotic knobs typical of
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<taxonomicName id="4C6E4D34FFBDFF8CBA29FBC6FBAE4366" box="[878,1025,1078,1104]" class="Rhabditophora" family="Polycystidae" kingdom="Animalia" order="Rhabdocoela" pageId="3" pageNumber="354" phylum="Platyhelminthes" rank="family">Polycystidae</taxonomicName>
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||
.
|
||
</paragraph>
|
||
<paragraph id="8BD136B7FFBDFF8CB980FBAAFEE242EA" blockId="3.[151,1437,645,2041]" pageId="3" pageNumber="354">
|
||
A pair of rod-shaped testes (245–373 μm in length, 35–50 μm in width, n=3) are situated at middle of body (
|
||
<figureCitation id="13552A32FFBDFF8CBC28FBAAFF1643AE" captionStart="FIGURE 1" captionStartId="4.[151,250,1964,1989]" captionTargetBox="[188,1399,330,1945]" captionTargetId="figure@4.[188,1399,330,1945]" captionTargetPageId="4" captionText="FIGURE 1. Alcha sinensis n. sp.: (A) live specimen; (B) squeezed live specimen; (C–F) reproductive organs (partim); (G–J) stylet." figureDoi="http://doi.org/10.5281/zenodo.3534786" httpUri="https://zenodo.org/record/3534786/files/figure.png" pageId="3" pageNumber="354">Fig. 1B</figureCitation>
|
||
,
|
||
<figureCitation id="13552A32FFBDFF8CB98FFB8EFF4343AE" box="[200,236,1150,1176]" captionStart="FIGURE 2" captionStartId="5.[151,250,1964,1989]" captionTargetBox="[151,1435,221,1825]" captionTargetId="figure@5.[151,1435,221,1825]" captionTargetPageId="5" captionText="FIGURE 2. Alcha sinensis n. sp.: (A) whole-mounted specimen; (B) mounted specimen, reproductive organs (partim); (C–F) serially-sectioned (sagittal) specimens." figureDoi="http://doi.org/10.5281/zenodo.3534788" httpUri="https://zenodo.org/record/3534788/files/figure.png" pageId="3" pageNumber="354">2A</figureCitation>
|
||
,
|
||
<figureCitation id="13552A32FFBDFF8CB9BEFB8EFEB243AE" box="[249,285,1150,1176]" captionStart="FIGURE 3" captionStartId="6.[151,250,1611,1636]" captionTargetBox="[173,1420,196,1552]" captionTargetId="figure@6.[151,1435,174,1565]" captionTargetPageId="6" captionText="FIGURE 3. Alcha sinensis n. sp.: (A) pigmentation; (B) whole body pattern; (C) sagittal reconstruction of atrial organs, showing reproductive organs (partim); (D–F) stylet." figureDoi="http://doi.org/10.5281/zenodo.3534790" httpUri="https://zenodo.org/record/3534790/files/figure.png" pageId="3" pageNumber="354">3B</figureCitation>
|
||
). A pair of long vesicular seminal vesicles (55–73 μm in length, n=3) in middle of body (
|
||
<figureCitation id="13552A32FFBDFF8CBC58FB8EFAF143AE" box="[1311,1374,1150,1176]" captionStart="FIGURE 1" captionStartId="4.[151,250,1964,1989]" captionTargetBox="[188,1399,330,1945]" captionTargetId="figure@4.[188,1399,330,1945]" captionTargetPageId="4" captionText="FIGURE 1. Alcha sinensis n. sp.: (A) live specimen; (B) squeezed live specimen; (C–F) reproductive organs (partim); (G–J) stylet." figureDoi="http://doi.org/10.5281/zenodo.3534786" httpUri="https://zenodo.org/record/3534786/files/figure.png" pageId="3" pageNumber="354">Fig. 1</figureCitation>
|
||
B–E, 2A & D–F, 3B–C). Seminal duct formed by the fusion of two posterior ends of the seminal vesicles. It enters male atrium along with the prostate vesicle
|
||
<typeStatus id="54D58815FFBDFF8CBB00FB37FDD843D7" box="[583,631,1223,1249]" pageId="3" pageNumber="354">type</typeStatus>
|
||
III (pv 3), which contains two kinds of glands with different secretions (
|
||
<figureCitation id="13552A32FFBDFF8CB9E7FB1AFF714232" box="[160,222,1258,1284]" captionStart="FIGURE 1" captionStartId="4.[151,250,1964,1989]" captionTargetBox="[188,1399,330,1945]" captionTargetId="figure@4.[188,1399,330,1945]" captionTargetPageId="4" captionText="FIGURE 1. Alcha sinensis n. sp.: (A) live specimen; (B) squeezed live specimen; (C–F) reproductive organs (partim); (G–J) stylet." figureDoi="http://doi.org/10.5281/zenodo.3534786" httpUri="https://zenodo.org/record/3534786/files/figure.png" pageId="3" pageNumber="354">Fig. 1</figureCitation>
|
||
B–E, 3B–C). Thus, the characters of the pv 3 are similar to those of
|
||
<taxonomicName id="4C6E4D34FFBDFF8CBAB5FB1AFB364232" authorityName="Marcus" authorityYear="1949" box="[1010,1177,1258,1284]" class="Rhabditophora" family="Polycystididae" genus="Alcha" kingdom="Animalia" order="Rhabdocoela" pageId="3" pageNumber="354" phylum="Platyhelminthes" rank="species" species="evelinae">
|
||
<emphasis id="B91AEAA5FFBDFF8CBAB5FB1AFB364232" box="[1010,1177,1258,1284]" italics="true" pageId="3" pageNumber="354">Alcha evelinae</emphasis>
|
||
</taxonomicName>
|
||
described by
|
||
<bibRefCitation id="EFFF4B46FFBDFF8CBC7FFB1AFEF8421E" author="Artois, T. J. & Schockaert, E. R." pageId="3" pageNumber="354" pagination="179 - 190" refId="ref6612" refString="Artois, T. J. & Schockaert, E. R. (2003) Primary Homology Assessment in the Male Atrial System of the Polycystididae (Platyhelminthes: Eukalyptorhynchia). Zoologischer Anzeiger, 242 (2), 179 - 190. https: // doi. org / 10.1078 / 0044 - 5231 - 00095" type="journal article" year="2003">Artois & Schockaert 2003</bibRefCitation>
|
||
. Stylet located at male atrium and consists of two symmetrical triangular plates and one lamellar plate. All three parts of the stylet jagged at their posterior ends. The triangular plates (25–30 μm in length and 24–28 μm in width, n=3,
|
||
<figureCitation id="13552A32FFBDFF8CB820FAA6FE0C4246" box="[359,419,1366,1392]" captionStart="FIGURE 1" captionStartId="4.[151,250,1964,1989]" captionTargetBox="[188,1399,330,1945]" captionTargetId="figure@4.[188,1399,330,1945]" captionTargetPageId="4" captionText="FIGURE 1. Alcha sinensis n. sp.: (A) live specimen; (B) squeezed live specimen; (C–F) reproductive organs (partim); (G–J) stylet." figureDoi="http://doi.org/10.5281/zenodo.3534786" httpUri="https://zenodo.org/record/3534786/files/figure.png" pageId="3" pageNumber="354">Fig. 1</figureCitation>
|
||
B–E & F–I, 2B & D–E, 3B & D–F) covered by a thick muscular layer at their anterior end (
|
||
<figureCitation id="13552A32FFBDFF8CB9E7FA8AFF5A42A2" box="[160,245,1402,1428]" captionStart="FIGURE 1" captionStartId="4.[151,250,1964,1989]" captionTargetBox="[188,1399,330,1945]" captionTargetId="figure@4.[188,1399,330,1945]" captionTargetPageId="4" captionText="FIGURE 1. Alcha sinensis n. sp.: (A) live specimen; (B) squeezed live specimen; (C–F) reproductive organs (partim); (G–J) stylet." figureDoi="http://doi.org/10.5281/zenodo.3534786" httpUri="https://zenodo.org/record/3534786/files/figure.png" pageId="3" pageNumber="354">Fig. 1E</figureCitation>
|
||
,
|
||
<figureCitation id="13552A32FFBDFF8CB845FA8AFEA042A2" box="[258,271,1402,1428]" captionStart="FIGURE 2" captionStartId="5.[151,250,1964,1989]" captionTargetBox="[151,1435,221,1825]" captionTargetId="figure@5.[151,1435,221,1825]" captionTargetPageId="5" captionText="FIGURE 2. Alcha sinensis n. sp.: (A) whole-mounted specimen; (B) mounted specimen, reproductive organs (partim); (C–F) serially-sectioned (sagittal) specimens." figureDoi="http://doi.org/10.5281/zenodo.3534788" httpUri="https://zenodo.org/record/3534788/files/figure.png" pageId="3" pageNumber="354">2</figureCitation>
|
||
B–F, 3B–C). The lamellar plate (33–36 μm in length, n=3) is a mantle above the triangular plates. Male atrium connected to the common atrium, which has a thick muscular layer. Genital pore at 60% of the body (
|
||
<figureCitation id="13552A32FFBDFF8CBC1DFA6EFF0842EB" captionStart="FIGURE 1" captionStartId="4.[151,250,1964,1989]" captionTargetBox="[188,1399,330,1945]" captionTargetId="figure@4.[188,1399,330,1945]" captionTargetPageId="4" captionText="FIGURE 1. Alcha sinensis n. sp.: (A) live specimen; (B) squeezed live specimen; (C–F) reproductive organs (partim); (G–J) stylet." figureDoi="http://doi.org/10.5281/zenodo.3534786" httpUri="https://zenodo.org/record/3534786/files/figure.png" pageId="3" pageNumber="354">Fig. 1 F</figureCitation>
|
||
,
|
||
<figureCitation id="13552A32FFBDFF8CB9F4FA32FF6F42EA" box="[179,192,1474,1500]" captionStart="FIGURE 2" captionStartId="5.[151,250,1964,1989]" captionTargetBox="[151,1435,221,1825]" captionTargetId="figure@5.[151,1435,221,1825]" captionTargetPageId="5" captionText="FIGURE 2. Alcha sinensis n. sp.: (A) whole-mounted specimen; (B) mounted specimen, reproductive organs (partim); (C–F) serially-sectioned (sagittal) specimens." figureDoi="http://doi.org/10.5281/zenodo.3534788" httpUri="https://zenodo.org/record/3534788/files/figure.png" pageId="3" pageNumber="354">2</figureCitation>
|
||
E–F, 3B–C).
|
||
</paragraph>
|
||
<paragraph id="8BD136B7FFBDFF8CB980FA16FC41415A" blockId="3.[151,1437,645,2041]" pageId="3" pageNumber="354">
|
||
The two rod-shaped vitellaria situated dorsally at both sides of the body, extending from the pharynx to the posterior end (
|
||
<figureCitation id="13552A32FFBDFF8CB854F9FAFEC44112" box="[275,363,1546,1572]" captionStart="FIGURE 3" captionStartId="6.[151,250,1611,1636]" captionTargetBox="[173,1420,196,1552]" captionTargetId="figure@6.[151,1435,174,1565]" captionTargetPageId="6" captionText="FIGURE 3. Alcha sinensis n. sp.: (A) pigmentation; (B) whole body pattern; (C) sagittal reconstruction of atrial organs, showing reproductive organs (partim); (D–F) stylet." figureDoi="http://doi.org/10.5281/zenodo.3534790" httpUri="https://zenodo.org/record/3534790/files/figure.png" pageId="3" pageNumber="354">Fig. 3B</figureCitation>
|
||
). Ovaries paired and spherical, 22–27 μm in diameter (n=3,
|
||
<figureCitation id="13552A32FFBDFF8CBD56F9FAFBE24112" box="[1041,1101,1546,1572]" captionStart="FIGURE 1" captionStartId="4.[151,250,1964,1989]" captionTargetBox="[188,1399,330,1945]" captionTargetId="figure@4.[188,1399,330,1945]" captionTargetPageId="4" captionText="FIGURE 1. Alcha sinensis n. sp.: (A) live specimen; (B) squeezed live specimen; (C–F) reproductive organs (partim); (G–J) stylet." figureDoi="http://doi.org/10.5281/zenodo.3534786" httpUri="https://zenodo.org/record/3534786/files/figure.png" pageId="3" pageNumber="354">Fig. 1</figureCitation>
|
||
B–D & F, 2A–F, 3B–C). Two oviducts fuse to form female duct, which is surrounded by glands and enters the common atrium. Uterus connects to common atrium via a duct, with glands at its opening (
|
||
<figureCitation id="13552A32FFBDFF8CBA50F9A2FCF6415A" box="[791,857,1618,1644]" captionStart="FIGURE 2" captionStartId="5.[151,250,1964,1989]" captionTargetBox="[151,1435,221,1825]" captionTargetId="figure@5.[151,1435,221,1825]" captionTargetPageId="5" captionText="FIGURE 2. Alcha sinensis n. sp.: (A) whole-mounted specimen; (B) mounted specimen, reproductive organs (partim); (C–F) serially-sectioned (sagittal) specimens." figureDoi="http://doi.org/10.5281/zenodo.3534788" httpUri="https://zenodo.org/record/3534788/files/figure.png" pageId="3" pageNumber="354">Fig. 2</figureCitation>
|
||
C–D, 3B–C).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C374653CFFBDFF8BB980F986FAF14675" lastPageId="4" lastPageNumber="355" pageId="3" pageNumber="354" type="discussion">
|
||
<paragraph id="8BD136B7FFBDFF8CB980F986FF134182" blockId="3.[151,1437,645,2041]" pageId="3" pageNumber="354">
|
||
<emphasis id="B91AEAA5FFBDFF8CB980F986FE9441A6" bold="true" box="[199,315,1654,1680]" pageId="3" pageNumber="354">Remarks.</emphasis>
|
||
To our knowledge, only one
|
||
<taxonomicName id="4C6E4D34FFBDFF8CBBC3F986FD6A41A6" authorityName="Marcus" authorityYear="1949" box="[644,709,1654,1680]" class="Rhabditophora" family="Polycystididae" genus="Alcha" kingdom="Animalia" order="Rhabdocoela" pageId="3" pageNumber="354" phylum="Platyhelminthes" rank="genus">
|
||
<emphasis id="B91AEAA5FFBDFF8CBBC3F986FD6A41A6" box="[644,709,1654,1680]" italics="true" pageId="3" pageNumber="354">Alcha</emphasis>
|
||
</taxonomicName>
|
||
species, namely
|
||
<taxonomicName id="4C6E4D34FFBDFF8CBAC2F987FB0941A6" authority="Marcus, 1949" authorityName="Marcus" authorityYear="1949" box="[901,1190,1654,1681]" class="Rhabditophora" family="Polycystididae" genus="Alcha" kingdom="Animalia" order="Rhabdocoela" pageId="3" pageNumber="354" phylum="Platyhelminthes" rank="species" species="evelinae">
|
||
<emphasis id="B91AEAA5FFBDFF8CBAC2F987FBAD41A6" box="[901,1026,1654,1681]" italics="true" pageId="3" pageNumber="354">A. evelinae</emphasis>
|
||
<bibRefCitation id="EFFF4B46FFBDFF8CBD4EF987FB0941A6" author="Marcus, E." box="[1033,1190,1654,1681]" pageId="3" pageNumber="354" pagination="124 - 125" refId="ref7521" refString="Marcus, E. (1949) Turbellaria Brasileiros (7). Boletins da Faculdade de Philosophia, Sciencias e Letras, Universidade de Sao Paulo, Zoologia, 14, 32 - 33, 124 - 125. https: // doi. org / 10.11606 / issn. 2526 - 4877. bsffclzoologia. 1949.129106" type="journal article" year="1949">Marcus, 1949</bibRefCitation>
|
||
</taxonomicName>
|
||
, has been recorded so far.
|
||
</paragraph>
|
||
<paragraph id="8BD136B7FFBDFF8CB980F94EFE87405F" blockId="3.[151,1437,645,2041]" pageId="3" pageNumber="354">
|
||
The genus
|
||
<taxonomicName id="4C6E4D34FFBDFF8CB805F94EFE2C41EE" authorityName="Marcus" authorityYear="1949" box="[322,387,1726,1752]" class="Rhabditophora" family="Polycystididae" genus="Alcha" kingdom="Animalia" order="Rhabdocoela" pageId="3" pageNumber="354" phylum="Platyhelminthes" rank="genus">
|
||
<emphasis id="B91AEAA5FFBDFF8CB805F94EFE2C41EE" box="[322,387,1726,1752]" italics="true" pageId="3" pageNumber="354">Alcha</emphasis>
|
||
</taxonomicName>
|
||
is characterized by paired gonads, seminal vesicles and ovaries. The species in this genus has a ventral common genital pore, and the male copulatory apparatus has a cuticular organ consisting of three distal plates. The seminal duct and a bundle of glands open into the male atrium close to the cuticular organ (
|
||
<bibRefCitation id="EFFF4B46FFBDFF8CBC07F8F6FF7C4072" author="Marcus, E." pageId="3" pageNumber="354" pagination="124 - 125" refId="ref7521" refString="Marcus, E. (1949) Turbellaria Brasileiros (7). Boletins da Faculdade de Philosophia, Sciencias e Letras, Universidade de Sao Paulo, Zoologia, 14, 32 - 33, 124 - 125. https: // doi. org / 10.11606 / issn. 2526 - 4877. bsffclzoologia. 1949.129106" type="journal article" year="1949">Marcus, 1949</bibRefCitation>
|
||
). Based on the characteristics mentioned in
|
||
<taxonomicName id="4C6E4D34FFBDFF8CBB86F8DAFCCC4072" authority="Hu & Chen & Zhong & Xie & Feng & Zhang & Wang, 2019" authorityName="Hu & Chen & Zhong & Xie & Feng & Zhang & Wang" authorityYear="2019" box="[705,867,1834,1860]" class="Rhabditophora" family="Polycystididae" genus="Alcha" kingdom="Animalia" order="Rhabdocoela" pageId="3" pageNumber="354" phylum="Platyhelminthes" rank="species" species="sinensis" status="sp. nov.">
|
||
<emphasis id="B91AEAA5FFBDFF8CBB86F8DAFCCC4072" box="[705,867,1834,1860]" italics="true" pageId="3" pageNumber="354">Alcha sinensis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A22957DEFFBDFF8CBA2DF8DBFC0E4073" box="[874,929,1835,1861]" pageId="3" pageNumber="354" rank="species">n.sp.</taxonomicNameLabel>
|
||
, it is apparent that this species belongs to the genus
|
||
<taxonomicName id="4C6E4D34FFBDFF8CB9A7F8BEFE8E405E" authorityName="Marcus" authorityYear="1949" box="[224,289,1870,1896]" class="Rhabditophora" family="Polycystididae" genus="Alcha" kingdom="Animalia" order="Rhabdocoela" pageId="3" pageNumber="354" phylum="Platyhelminthes" rank="genus">
|
||
<emphasis id="B91AEAA5FFBDFF8CB9A7F8BEFE8E405E" box="[224,289,1870,1896]" italics="true" pageId="3" pageNumber="354">Alcha</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BD136B7FFBDFF8BB980F883FAF14675" blockId="3.[151,1437,645,2041]" lastBlockId="4.[151,1436,153,323]" lastPageId="4" lastPageNumber="355" pageId="3" pageNumber="354">
|
||
<bibRefCitation id="EFFF4B46FFBDFF8CB980F883FEC240BA" author="Marcus, E." box="[199,365,1906,1933]" pageId="3" pageNumber="354" pagination="124 - 125" refId="ref7521" refString="Marcus, E. (1949) Turbellaria Brasileiros (7). Boletins da Faculdade de Philosophia, Sciencias e Letras, Universidade de Sao Paulo, Zoologia, 14, 32 - 33, 124 - 125. https: // doi. org / 10.11606 / issn. 2526 - 4877. bsffclzoologia. 1949.129106" type="journal article" year="1949">Marcus (1949)</bibRefCitation>
|
||
described the stylet of
|
||
<taxonomicName id="4C6E4D34FFBDFF8CBB36F883FD4340BA" authorityName="Marcus" authorityYear="1949" box="[625,748,1906,1933]" class="Rhabditophora" family="Polycystididae" genus="Alcha" kingdom="Animalia" order="Rhabdocoela" pageId="3" pageNumber="354" phylum="Platyhelminthes" rank="species" species="evelinae">
|
||
<emphasis id="B91AEAA5FFBDFF8CBB36F883FD4340BA" box="[625,748,1906,1933]" italics="true" pageId="3" pageNumber="354">A. evelinae</emphasis>
|
||
</taxonomicName>
|
||
as three curved pointed blades. According Karling's observation (
|
||
<bibRefCitation id="EFFF4B46FFBDFF8CB996F866FDA34086" author="Karling, T. G. & Schockaert, E. R." box="[209,524,1942,1968]" pageId="3" pageNumber="354" pagination="5 - 19" refId="ref7103" refString="Karling, T. G. & Schockaert, E. R. (1977) Anatomy and systematics of some Polycystididae (Turbellaria, Kalyptorhynchia) from the Pacific and S. Atlantic. Zoologica Scripta, 6 (1), 5 - 19. https: // doi. org / 10.1111 / j. 1463 - 6409.1977. tb 00755. x" type="journal article" year="1977">Karling & Schockaert 1977</bibRefCitation>
|
||
), the overall structure of the stylet is triangular. It is a single membrane structure, which was called the skirt based on an irregularly triangular frame. The skirt consists of three different and irregularly folded plates with some ridges resembling hooks (
|
||
<bibRefCitation id="EFFF4B46FFBDFF8CBB9CF82EFBBE40CE" author="Karling, T. G. & Schockaert, E. R." box="[731,1041,2014,2040]" pageId="3" pageNumber="354" pagination="5 - 19" refId="ref7103" refString="Karling, T. G. & Schockaert, E. R. (1977) Anatomy and systematics of some Polycystididae (Turbellaria, Kalyptorhynchia) from the Pacific and S. Atlantic. Zoologica Scripta, 6 (1), 5 - 19. https: // doi. org / 10.1111 / j. 1463 - 6409.1977. tb 00755. x" type="journal article" year="1977">Karling & Schockaert 1977</bibRefCitation>
|
||
). However, the three-plate structure of
|
||
<taxonomicName id="4C6E4D34FFBAFF8BB9F2FF69FEF94785" authority="Hu & Chen & Zhong & Xie & Feng & Zhang & Wang, 2019" authorityName="Hu & Chen & Zhong & Xie & Feng & Zhang & Wang" authorityYear="2019" box="[181,342,153,179]" class="Rhabditophora" family="Polycystididae" genus="Alcha" kingdom="Animalia" order="Rhabdocoela" pageId="4" pageNumber="355" phylum="Platyhelminthes" rank="species" species="sinensis" status="sp. nov.">
|
||
<emphasis id="B91AEAA5FFBAFF8BB9F2FF69FEF94785" box="[181,342,153,179]" italics="true" pageId="4" pageNumber="355">Alcha sinensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B91AEAA5FFBAFF8BB81AFF69FE344785" bold="true" box="[349,411,153,179]" pageId="4" pageNumber="355">
|
||
<taxonomicNameLabel id="A22957DEFFBAFF8BB81AFF69FE344785" box="[349,411,153,179]" pageId="4" pageNumber="355" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
obviously differs from that of
|
||
<taxonomicName id="4C6E4D34FFBAFF8BBBB4FF69FCC14785" authorityName="Marcus" authorityYear="1949" box="[755,878,153,179]" class="Rhabditophora" family="Polycystididae" genus="Alcha" kingdom="Animalia" order="Rhabdocoela" pageId="4" pageNumber="355" phylum="Platyhelminthes" rank="species" species="evelinae">
|
||
<emphasis id="B91AEAA5FFBAFF8BBBB4FF69FCC14785" box="[755,878,153,179]" italics="true" pageId="4" pageNumber="355">A. evelinae</emphasis>
|
||
</taxonomicName>
|
||
, in that its lamellar plate covers two equally symmetrical triangular plates and the distal hooks of these three plates are smaller than those of
|
||
<taxonomicName id="4C6E4D34FFBAFF8BBDCAFF4DFAA647E1" authorityName="Marcus" authorityYear="1949" box="[1165,1289,189,215]" class="Rhabditophora" family="Polycystididae" genus="Alcha" kingdom="Animalia" order="Rhabdocoela" pageId="4" pageNumber="355" phylum="Platyhelminthes" rank="species" species="evelinae">
|
||
<emphasis id="B91AEAA5FFBAFF8BBDCAFF4DFAA647E1" box="[1165,1289,189,215]" italics="true" pageId="4" pageNumber="355">A. evelinae</emphasis>
|
||
</taxonomicName>
|
||
. Besides, the "hem" of
|
||
<taxonomicName id="4C6E4D34FFBAFF8BB843FF11FE2F47CD" authorityName="Marcus" authorityYear="1949" box="[260,384,225,251]" class="Rhabditophora" family="Polycystididae" genus="Alcha" kingdom="Animalia" order="Rhabdocoela" pageId="4" pageNumber="355" phylum="Platyhelminthes" rank="species" species="evelinae">
|
||
<emphasis id="B91AEAA5FFBAFF8BB843FF11FE2F47CD" box="[260,384,225,251]" italics="true" pageId="4" pageNumber="355">A. evelinae</emphasis>
|
||
</taxonomicName>
|
||
’s skirt is laterally drawn out to a "tongue" and there is a slit in its skirt (
|
||
<bibRefCitation id="EFFF4B46FFBAFF8BBDE2FF11FF7C4629" author="Karling, T. G. & Schockaert, E. R." pageId="4" pageNumber="355" pagination="5 - 19" refId="ref7103" refString="Karling, T. G. & Schockaert, E. R. (1977) Anatomy and systematics of some Polycystididae (Turbellaria, Kalyptorhynchia) from the Pacific and S. Atlantic. Zoologica Scripta, 6 (1), 5 - 19. https: // doi. org / 10.1111 / j. 1463 - 6409.1977. tb 00755. x" type="journal article" year="1977">Karling & Schockaert 1977</bibRefCitation>
|
||
), which is absent in this new species. To sum up, the stylet structure of
|
||
<taxonomicName id="4C6E4D34FFBAFF8BBAB9FEF5FBD84629" authority="Hu & Chen & Zhong & Xie & Feng & Zhang & Wang, 2019" authorityName="Hu & Chen & Zhong & Xie & Feng & Zhang & Wang" authorityYear="2019" box="[1022,1143,261,287]" class="Rhabditophora" family="Polycystididae" genus="Alcha" kingdom="Animalia" order="Rhabdocoela" pageId="4" pageNumber="355" phylum="Platyhelminthes" rank="species" species="sinensis" status="sp. nov.">
|
||
<emphasis id="B91AEAA5FFBAFF8BBAB9FEF5FBD84629" box="[1022,1143,261,287]" italics="true" pageId="4" pageNumber="355">A. sinensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B91AEAA5FFBAFF8BBD39FEF5FB124629" bold="true" box="[1150,1213,261,287]" pageId="4" pageNumber="355">
|
||
<taxonomicNameLabel id="A22957DEFFBAFF8BBD39FEF5FB124629" box="[1150,1213,261,287]" pageId="4" pageNumber="355" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
in this study is less complicated and differs from that of
|
||
<taxonomicName id="4C6E4D34FFBAFF8BBB74FED9FD004675" authorityName="Marcus" authorityYear="1949" box="[563,687,297,323]" class="Rhabditophora" family="Polycystididae" genus="Alcha" kingdom="Animalia" order="Rhabdocoela" pageId="4" pageNumber="355" phylum="Platyhelminthes" rank="species" species="evelinae">
|
||
<emphasis id="B91AEAA5FFBAFF8BBB74FED9FD004675" box="[563,687,297,323]" italics="true" pageId="4" pageNumber="355">A. evelinae</emphasis>
|
||
</taxonomicName>
|
||
. As such, it is evident that
|
||
<taxonomicName id="4C6E4D34FFBAFF8BBA99FED9FBF94675" authority="Hu & Chen & Zhong & Xie & Feng & Zhang & Wang, 2019" authorityName="Hu & Chen & Zhong & Xie & Feng & Zhang & Wang" authorityYear="2019" box="[990,1110,297,323]" class="Rhabditophora" family="Polycystididae" genus="Alcha" kingdom="Animalia" order="Rhabdocoela" pageId="4" pageNumber="355" phylum="Platyhelminthes" rank="species" species="sinensis" status="sp. nov.">
|
||
<emphasis id="B91AEAA5FFBAFF8BBA99FED9FBF94675" box="[990,1110,297,323]" italics="true" pageId="4" pageNumber="355">A. sinensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B91AEAA5FFBAFF8BBD1BFED9FB344675" bold="true" box="[1116,1179,297,323]" pageId="4" pageNumber="355">
|
||
<taxonomicNameLabel id="A22957DEFFBAFF8BBD1BFED9FB344675" box="[1116,1179,297,323]" pageId="4" pageNumber="355" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is a new species.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |