166 lines
20 KiB
XML
166 lines
20 KiB
XML
<document id="F90475BD6E2914FECD62511EEF63F707" ID-CLB-Dataset="111181" ID-DOI="10.11646/zootaxa.5169.5.1" ID-GBIF-Dataset="d8cabaec-c613-4882-8a1c-e08d69a084e7" ID-ISSN="1175-5326" ID-Zenodo-Dep="6952712" ID-ZooBank="EB5A2C38-2D31-4F02-BEC1-2AA31761EFEA" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1659441294752" checkinUser="plazi" docAuthor="Atherton, Sarah & Jondelius, Ulf" docDate="2022" docId="CF6B87F3E62B8504FF6FFBE0FE48FE40" docLanguage="en" docName="zootaxa.5169.5.1.pdf" docOrigin="Zootaxa 5169 (5)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Pseudoposthia hanssoni Atherton & Jondelius 2022, sp. nov." docType="treatment" docVersion="7" lastPageNumber="419" masterDocId="3352FF8BE63B8516FFF8FFEEFF82FFC9" masterDocTitle="Diversity in the family Isodiametridae (Acoela): New species bring back old problems" masterLastPageNumber="424" masterPageNumber="401" pageNumber="417" updateTime="1699363415466" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:titleInfo id="511DBD6A889222D16BD1F3F645EA9D7C">
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<mods:title id="6F3A30E30A7F8E020C9EA16AAFE85A3E">Diversity in the family Isodiametridae (Acoela): New species bring back old problems</mods:title>
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</mods:titleInfo>
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<mods:name id="C32930DD028DF414181207DE29B65DD2" type="personal">
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<mods:role id="1CC2EEFB505EA23B743443B6CDEE5ABA">
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<mods:roleTerm id="79431B8B79BB456888AFEABB5B138749">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="A98615FA7A3DD169E7C21BDBE8EEF7EB">Atherton, Sarah</mods:namePart>
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<mods:nameIdentifier id="1D7CEE09E32D9479B113E86F27FFF0B1" type="ORCID">0000-0003-3024-472X</mods:nameIdentifier>
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<mods:affiliation id="F0D0EEA6DC62CC9B489D437DB6ED300E">Department of Zoology, Naturhistoriska riksmuseet, Stockholm, Sweden & sarah. atherton @ nrm. se; https: // orcid. org / 0000 - 0003 - 3024 - 472 X</mods:affiliation>
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<mods:nameIdentifier id="130DEC6A1F2F977C5E0CF8BCE62BAC2E" type="email">sarah.atherton@nrm.se</mods:nameIdentifier>
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<mods:name id="ABBCFB3954BDC0B1AB29EA4656485B55" type="personal">
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</mods:role>
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<mods:namePart id="F8B585CACDD7154B336D9066505DEB6B">Jondelius, Ulf</mods:namePart>
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<mods:affiliation id="65736796DF5B732F240456FF3F60D513">Department of Zoology, Naturhistoriska riksmuseet, Stockholm, Sweden & Department of Zoology, Systematics and Evolution, Stockholm Universitet, Stockholm Sweden & ulf. jondelius @ nrm. se; https: // orcid. ord / 0000 - 0003 - 2847 - 2192</mods:affiliation>
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<mods:nameIdentifier id="5CED4192CD1F55BD99AF26B37DC07690" type="email">ulf.jondelius@nrm.se</mods:nameIdentifier>
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<mods:title id="FE93D9C1E43EDD8281DBD5C1DE11AA30">Zootaxa</mods:title>
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<mods:part id="04F44D8E42707FB67716812B79FCDF9C">
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<mods:date id="992621583E1D3FD326DCC48BFDEABDAD">2022</mods:date>
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<mods:number id="C67D6A5671DD883752C03B4CE8EB0834">2022-08-02</mods:number>
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<mods:number id="F599B85DC4414A88656B57EDDB1F6F94">5169</mods:number>
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<mods:detail id="3F75BFF159B83614A370E8B3A8731AE5" type="issue">
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<mods:number id="AB61BB5EB767594DBBFDF8A90DAD03C4">5</mods:number>
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<mods:identifier id="738EA63FC0B379B8B8257F4D8DF933C7" type="DOI">10.11646/zootaxa.5169.5.1</mods:identifier>
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<mods:identifier id="E053B6CF4EF85C71B491FBA89D70A78C" type="Zenodo-Dep">6952712</mods:identifier>
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<treatment id="CF6B87F3E62B8504FF6FFBE0FE48FE40" ID-DOI="http://doi.org/10.5281/zenodo.6953865" ID-GBIF-Taxon="198491538" ID-Zenodo-Dep="6953865" LSID="urn:lsid:plazi:treatment:CF6B87F3E62B8504FF6FFBE0FE48FE40" httpUri="http://treatment.plazi.org/id/CF6B87F3E62B8504FF6FFBE0FE48FE40" lastPageId="18" lastPageNumber="419" pageId="16" pageNumber="417">
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<subSubSection id="0FD8656EE62B8506FF6FFBE0FDA3FBE0" box="[151,545,1038,1065]" pageId="16" pageNumber="417" type="nomenclature">
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<paragraph id="477D36E5E62B8506FF6FFBE0FDA3FBE0" blockId="16.[151,545,1038,1101]" box="[151,545,1038,1065]" pageId="16" pageNumber="417">
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<heading id="1C358189E62B8506FF6FFBE0FDA3FBE0" bold="true" box="[151,545,1038,1065]" fontSize="11" level="1" pageId="16" pageNumber="417" reason="1">
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<emphasis id="75B6EAF7E62B8506FF6FFBE0FDA3FBE0" bold="true" box="[151,545,1038,1065]" pageId="16" pageNumber="417">
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<taxonomicName id="80C24D66E62B8506FF6FFBE0FE3EFBE0" ID-CoL="a68fd300-b469-4e2d-b44f-23857ba5b295" authority="Atherton & Jondelius, 2022" authorityName="Atherton & Jondelius" authorityYear="2022" box="[151,444,1038,1065]" family="Isodiametridae" genus="Pseudoposthia" kingdom="Animalia" order="Acoela" pageId="16" pageNumber="417" phylum="Xenacoelomorpha" rank="species" species="hanssoni" status="sp. nov.">
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<emphasis id="75B6EAF7E62B8506FF6FFBE0FE3EFBE0" bold="true" box="[151,444,1038,1065]" italics="true" pageId="16" pageNumber="417">Pseudoposthia hanssoni</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="6E85578CE62B8506FE3BFBE1FDA3FBE0" box="[451,545,1039,1065]" pageId="16" pageNumber="417" rank="species">sp. nov.</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="0FD8656EE62B8506FF6FFBDDFB4BFB5C" pageId="16" pageNumber="417" type="description">
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<paragraph id="477D36E5E62B8506FF6FFBDDFE80FB84" blockId="16.[151,545,1038,1101]" box="[151,258,1075,1101]" pageId="16" pageNumber="417">
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<figureCitation id="DFF92A60E62B8506FF6FFBDDFE80FB84" box="[151,258,1075,1101]" captionStart="FIGURE 11" captionStartId="17.[151,250,1831,1855]" captionTargetBox="[336,1251,181,1807]" captionTargetId="figure-19@17.[336,1251,181,1807]" captionTargetPageId="17" captionText="FIGURE 11. Pseudoposthia hanssoni sp. nov. A. micropictograph of the whole body. B. drawing of the whole body C. micropictograph at the midbody focusing on the reproductive structures D. drawing at midbody focused on reproductive structures; dp digestive parenchyma, eg egg, f frontal organ, fsv false seminal vesicle, gp gonopore, p penis, r rhabdoid glands, sph muscular sphincter around gonopore, st statocyst, t testes, v vacuole." figureDoi="http://doi.org/10.5281/zenodo.6952736" httpUri="https://zenodo.org/record/6952736/files/figure.png" pageId="16" pageNumber="417">Figure 11</figureCitation>
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</paragraph>
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<paragraph id="477D36E5E62B8506FF6FFB95FB4BFB5C" blockId="16.[151,1437,1146,2037]" box="[151,1225,1146,1173]" pageId="16" pageNumber="417">
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<emphasis id="75B6EAF7E62B8506FF6FFB95FE1EFB5D" bold="true" box="[151,412,1146,1173]" pageId="16" pageNumber="417">Zoobank registration.</emphasis>
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<uri id="33533AE7E62B8506FE5BFB94FB4BFB5C" box="[419,1225,1146,1173]" pageId="16" pageNumber="417">
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urn:lsid:zoobank.org:act:
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<uuid id="33640C30E62B8506FD57FB94FB4BFB5C" box="[687,1225,1146,1173]" pageId="16" pageNumber="417">0E41935C-E677-427A-BA6C-EB5683043453</uuid>
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</uri>
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</paragraph>
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</subSubSection>
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<subSubSection id="0FD8656EE62B8506FF3FFB70FC33FAEC" pageId="16" pageNumber="417" type="materials_examined">
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<paragraph id="477D36E5E62B8506FF3FFB70FDE1FB14" blockId="16.[151,1437,1146,2037]" pageId="16" pageNumber="417">
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<emphasis id="75B6EAF7E62B8506FF3FFB70FE3DFB71" bold="true" box="[199,447,1182,1208]" pageId="16" pageNumber="417">Materials examined.</emphasis>
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<materialsCitation id="F7AA3CB8E62B8506FE31FB71FDDDFB14" ID-GBIF-Occurrence="3874684308" collectionCode="SMNH" pageId="16" pageNumber="417" specimenCount="2" typeStatus="holotype">
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Digital video and photographs of original living specimens,
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<typeStatus id="98798847E62B8506FB7DFB71FB6FFB70" box="[1157,1261,1183,1209]" pageId="16" pageNumber="417" type="holotype">Holotype</typeStatus>
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(
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<collectionCode id="21D3AE20E62B8506FB07FB71FAD0FB70" box="[1279,1362,1183,1209]" country="Sweden" httpUri="http://grbio.org/cool/8z6v-f8is" name="Department of Paleozoology, Swedish Museum of Natural History" pageId="16" pageNumber="417">SMNH</collectionCode>
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Type-9481) and
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<typeStatus id="98798847E62B8506FEF7FB2DFEF3FB14" box="[271,369,1219,1245]" pageId="16" pageNumber="417" type="paratype">Paratype</typeStatus>
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(
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<collectionCode id="21D3AE20E62B8506FE87FB2DFE50FB14" box="[383,466,1219,1245]" country="Sweden" httpUri="http://grbio.org/cool/8z6v-f8is" name="Department of Paleozoology, Swedish Museum of Natural History" pageId="16" pageNumber="417">SMNH</collectionCode>
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Type-9482)
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</materialsCitation>
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||
.
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||
</paragraph>
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||
<paragraph id="477D36E5E62B8506FF3FFB09FBF1FAC8" blockId="16.[151,1437,1146,2037]" box="[199,1139,1254,1281]" pageId="16" pageNumber="417">
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<materialsCitation id="F7AA3CB8E62B8506FF3FFB09FBF1FAC8" ID-GBIF-Occurrence="3874684309" box="[199,1139,1254,1281]" country="Sweden" latitude="58.581112" location="Vaderoarna" longLatPrecision="17" longitude="11.064445" municipality="Skagerrak" pageId="16" pageNumber="417" specimenCount="1" typeStatus="holotype">
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||
<emphasis id="75B6EAF7E62B8506FF3FFB09FEE4FAC9" bold="true" box="[199,358,1254,1281]" pageId="16" pageNumber="417">
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<typeStatus id="98798847E62B8506FF3FFB09FE80FAC8" box="[199,258,1255,1281]" pageId="16" pageNumber="417">Type</typeStatus>
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locality.
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</emphasis>
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||
<location id="421D603EE62B8506FE94FB09FE6DFAC8" LSID="urn:lsid:plazi:treatment:CF6B87F3E62B8504FF6FFBE0FE48FE40:421D603EE62B8506FE94FB09FE6DFAC8" box="[364,495,1255,1281]" country="Sweden" latitude="58.581112" longLatPrecision="17" longitude="11.064445" municipality="Skagerrak" name="Vaderoarna" pageId="16" pageNumber="417">Väderöarna</location>
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naturhamn,
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<collectingMunicipality id="A719AC9FE62B8506FD84FB09FD72FAC8" box="[636,752,1255,1281]" pageId="16" pageNumber="417">Skagerrak</collectingMunicipality>
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,
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<collectingCountry id="3FD57675E62B8506FD03FB09FCD4FAC8" box="[763,854,1255,1281]" name="Sweden" pageId="16" pageNumber="417">Sweden</collectingCountry>
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,
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<geoCoordinate id="22F65022E62B8506FC9AFB08FC6AFAC8" box="[866,1000,1254,1281]" degrees="58" direction="north" minutes="34" orientation="latitude" pageId="16" pageNumber="417" precision="15" seconds="52" value="58.581112">58°34’52 N</geoCoordinate>
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,
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<geoCoordinate id="22F65022E62B8506FC0CFB08FBF1FAC8" box="[1012,1139,1254,1281]" degrees="11" direction="east" minutes="03" orientation="longitude" pageId="16" pageNumber="417" precision="15" seconds="52" value="11.064445">11°03’52 E</geoCoordinate>
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</materialsCitation>
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||
</paragraph>
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||
<paragraph id="477D36E5E62B8506FF3FFAE4FC33FAEC" blockId="16.[151,1437,1146,2037]" box="[199,945,1290,1317]" pageId="16" pageNumber="417">
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<emphasis id="75B6EAF7E62B8506FF3FFAE4FEA8FAED" bold="true" box="[199,298,1290,1316]" pageId="16" pageNumber="417">Habitat.</emphasis>
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<quantity id="803A9B00E62B8506FEC9FAE5FEFAFAEC" box="[305,376,1291,1317]" metricMagnitude="0" metricUnit="m" metricValue="5.0" metricValueMax="6.0" metricValueMin="4.0" pageId="16" pageNumber="417" unit="m" value="5.0" valueMax="6.0" valueMin="4.0">4–6 m</quantity>
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depth, coarse sand and rocks with some shell hash
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</paragraph>
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</subSubSection>
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<subSubSection id="0FD8656EE62B8506FF3FFAC0FCA5FA10" pageId="16" pageNumber="417" type="diagnosis">
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<paragraph id="477D36E5E62B8506FF3FFAC0FCA5FA10" blockId="16.[151,1437,1146,2037]" pageId="16" pageNumber="417">
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<emphasis id="75B6EAF7E62B8506FF3FFAC0FEC0FA81" bold="true" box="[199,322,1326,1352]" pageId="16" pageNumber="417">Diagnosis.</emphasis>
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Body length
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||
<quantity id="803A9B00E62B8506FE2FFAC0FDB9FA80" box="[471,571,1326,1353]" metricMagnitude="-4" metricUnit="m" metricValue="4.5" pageId="16" pageNumber="417" unit="mm" value="0.45">0.45 mm</quantity>
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||
long and to
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||
<quantity id="803A9B00E62B8506FD3CFAC0FCA5FA80" box="[708,807,1326,1353]" metricMagnitude="-4" metricUnit="m" metricValue="1.5" pageId="16" pageNumber="417" unit="mm" value="0.15">0.15 mm</quantity>
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wide in squeezed preparation. Frontal organ well-developed. Rhabdoid glands numerous and scattered. Several large vacuoles present in posterior half of the body. Ovaries and testes paired. Bursa absent. Unwalled false seminal vesicle located ventral to the ovaries and anterior to the largest egg, leading directly to the gonopore posterior to the penis. Glandular penis straight, 9–10 µm long. Gonopore large and distinct, surrounded by thick muscular sphincter.
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="0FD8656EE62B8506FF3FFA0DFCF6F9E8" pageId="16" pageNumber="417" type="etymology">
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<paragraph id="477D36E5E62B8506FF3FFA0DFCF6F9E8" blockId="16.[151,1437,1146,2037]" pageId="16" pageNumber="417">
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<emphasis id="75B6EAF7E62B8506FF3FFA0DFECCFA34" bold="true" box="[199,334,1507,1533]" pageId="16" pageNumber="417">Etymology.</emphasis>
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This species is named in honor of the late Dr. Hans G. Hansson, expert in North Atlantic marine fauna and long-time staff member at Tjärnö marina laboratorium.
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</paragraph>
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</subSubSection>
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||
<subSubSection id="0FD8656EE62B8504FF3FF9C4FE48FE40" lastPageId="18" lastPageNumber="419" pageId="16" pageNumber="417" type="description">
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||
<paragraph id="477D36E5E62B8506FF3FF9C4FB17F91C" blockId="16.[151,1437,1146,2037]" pageId="16" pageNumber="417">
|
||
<emphasis id="75B6EAF7E62B8506FF3FF9C4FEDBF98D" bold="true" box="[199,345,1578,1604]" pageId="16" pageNumber="417">Description.</emphasis>
|
||
Animal short and wide, body length
|
||
<quantity id="803A9B00E62B8506FCEAF9C4FCF8F98C" box="[786,890,1578,1605]" metricMagnitude="-4" metricUnit="m" metricValue="4.5" pageId="16" pageNumber="417" unit="mm" value="0.45">0.45 mm</quantity>
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and width to
|
||
<quantity id="803A9B00E62B8506FBDAF9C4FB0BF98C" box="[1058,1161,1578,1605]" metricMagnitude="-4" metricUnit="m" metricValue="1.5" pageId="16" pageNumber="417" unit="mm" value="0.15">0.15 mm</quantity>
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||
in squeeze-preparation. Specimens widest at midbody with broadly rounded anterior end and pointed rounded posterior end. Body colorless, transparent, except for parenchyma, which varies from bright green or yellowish-brown based on microalgae food. Digestive parenchyma extends from first ¼ body length to just anterior of posterior vacuoles. Mouth present just anterior to body’s midpoint. Several vacuoles present laterally in posterior half of the body.
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||
</paragraph>
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<paragraph id="477D36E5E62B8506FF3FF931FED3F8AC" blockId="16.[151,1437,1146,2037]" pageId="16" pageNumber="417">Frontal organ well-developed. Statocyst present 50 µm from anterior end, 11–12 µm in diameter with 7-8 µm in diameter statolith. Epidermis completely ciliated and ~5 µm wide in longitudinal sections. Cilia ~6–8 µm long. Rhabdoid glands numerous and scattered across the body. Rhabdoids partially subepidermal, 8–10 µm in length in living specimen.</paragraph>
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<paragraph id="477D36E5E62B8506FF3FF881FE28F864" blockId="16.[151,1437,1146,2037]" pageId="16" pageNumber="417">Paired ovaries with numerous eggs. Largest egg medial and slightly posterior to midpoint. Seminal bursa and female gonopore absent.</paragraph>
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<paragraph id="477D36E5E62B8506FF3FF859FBEDF83C" blockId="16.[151,1437,1146,2037]" pageId="16" pageNumber="417">Seminal vesicle present ventral to the ovaries and anterior of the largest egg. False seminal vesicle globular, 22–25 µm in width and to 40 µm long (25–40 µm), extending anterio-laterally to testes.</paragraph>
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<caption id="13BD666DE62A8507FF6FF8C9FD69F862" ID-DOI="http://doi.org/10.5281/zenodo.6952736" ID-Zenodo-Dep="6952736" httpUri="https://zenodo.org/record/6952736/files/figure.png" pageId="17" pageNumber="418" startId="17.[151,250,1831,1855]" targetBox="[336,1251,181,1807]" targetPageId="17">
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||
<paragraph id="477D36E5E62A8507FF6FF8C9FD69F862" blockId="17.[151,1436,1831,1964]" pageId="17" pageNumber="418">
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||
<emphasis id="75B6EAF7E62A8507FF6FF8C9FE9CF8F6" bold="true" box="[151,286,1831,1855]" pageId="17" pageNumber="418">FIGURE 11.</emphasis>
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<taxonomicName id="80C24D66E62A8507FEDDF8C9FD98F8F6" authority="Atherton & Jondelius, 2022" authorityName="Atherton & Jondelius" authorityYear="2022" box="[293,538,1831,1855]" family="Isodiametridae" genus="Pseudoposthia" kingdom="Animalia" order="Acoela" pageId="17" pageNumber="418" phylum="Xenacoelomorpha" rank="species" species="hanssoni" status="sp. nov.">
|
||
<emphasis id="75B6EAF7E62A8507FEDDF8C9FD98F8F6" box="[293,538,1831,1855]" italics="true" pageId="17" pageNumber="418">Pseudoposthia hanssoni</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="75B6EAF7E62A8507FDD9F8C9FDF3F8F6" bold="true" box="[545,625,1831,1855]" pageId="17" pageNumber="418">
|
||
<taxonomicNameLabel id="6E85578CE62A8507FDD9F8C9FDF3F8F6" box="[545,625,1831,1855]" pageId="17" pageNumber="418" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
A. micropictograph of the whole body. B. drawing of the whole body C. micropictograph at the midbody focusing on the reproductive structures D. drawing at midbody focused on reproductive structures; dp digestive parenchyma, eg egg, f frontal organ, fsv false seminal vesicle, gp gonopore, p penis, r rhabdoid glands, sph muscular sphincter around gonopore, st statocyst, t testes, v vacuole.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="477D36E5E6298504FF3FFF79FE48FE40" blockId="18.[151,1437,151,393]" pageId="18" pageNumber="419">
|
||
Testes located ~⅓ body length from the anterior end. Gonopore large and distinct, present at midbody, surrounded by a large muscular sphincter. Gonopore 25 µm wide and 12–14 µm long. Small, lightly muscular penis present, 9–10 µm long, straight, connecting directly to the gonopore. Penis highly glandular. Two lateral false seminal vesicles connect to a central false seminal vesicle. False seminal vesicles lack walls and are non-muscular, comprising of a mass of sperm or possibly spermatophore. As typical for the genus (
|
||
<bibRefCitation id="23534B14E6298504FB99FEC9FA92FE88" author="Westblad, E." box="[1121,1296,295,321]" pageId="18" pageNumber="419" pagination="1 - 56" refId="ref15876" refString="Westblad, E. (1946) Studien uber Skandinavische Turbellaria Acoela IV. Arkiv for Zoologi, 38, 1 - 56." type="journal article" year="1946">Westblad 1946</bibRefCitation>
|
||
), the central false seminal vesicle is unconnected to the penis, instead remaining posterior to the penis and directly opening into the gonopore (
|
||
<figureCitation id="DFF92A60E6298504FEC1FE81FE3FFE40" box="[313,445,367,393]" captionStart="FIGURE 11" captionStartId="17.[151,250,1831,1855]" captionTargetBox="[336,1251,181,1807]" captionTargetId="figure-19@17.[336,1251,181,1807]" captionTargetPageId="17" captionText="FIGURE 11. Pseudoposthia hanssoni sp. nov. A. micropictograph of the whole body. B. drawing of the whole body C. micropictograph at the midbody focusing on the reproductive structures D. drawing at midbody focused on reproductive structures; dp digestive parenchyma, eg egg, f frontal organ, fsv false seminal vesicle, gp gonopore, p penis, r rhabdoid glands, sph muscular sphincter around gonopore, st statocyst, t testes, v vacuole." figureDoi="http://doi.org/10.5281/zenodo.6952736" httpUri="https://zenodo.org/record/6952736/files/figure.png" pageId="18" pageNumber="419">Figure 11D</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |