290 lines
36 KiB
XML
290 lines
36 KiB
XML
<document id="2A75B7873E46E8EEF3845D4E6D27DBF0" ID-DOI="10.11646/zootaxa.3736.5.3" ID-GBIF-Dataset="1bb8424b-97f1-44b4-b33d-33a27a9b7ca9" ID-ISSN="1175-5326" ID-Zenodo-Dep="215890" ID-ZooBank="0D412548-2436-434E-93F7-7D2B4EAB53CB" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460698993824" checkinUser="plazi" docAuthor="Kånneby, Tobias & Jondelius, Ulf" docDate="2013" docId="EB2DA62F564FFFB537AF21CAA92DE781" docLanguage="en" docName="zt03736p485.pdf" docOrigin="Zootaxa 3736 (5)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Isodiametra finkei Kånneby & Jondelius, 2013, n. sp." docType="treatment" docVersion="8" lastPageNumber="474" masterDocId="1714DE57564DFFB63738234FAA6CE020" masterDocTitle="Four new species of Acoela from Chile" masterLastPageNumber="485" masterPageNumber="471" pageNumber="473" updateTime="1698354048082" updateUser="plazi">
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<mods:mods id="B03CFEE31D0B79653F3D392CB824D7D1" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="0174E6824F3796FE07A05EF23EA34A8C">
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<mods:title id="48D406880BC7F507F407E33A9094CFA9">Four new species of Acoela from Chile</mods:title>
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</mods:titleInfo>
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<mods:name id="7A9DAE7A93BEF2916C9F5479CB5E219D" type="personal">
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<mods:roleTerm id="DDAA243BEC2DA973939E3B7407E5D087">Author</mods:roleTerm>
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<mods:namePart id="E477A7CC3526741B42245ACB79CDB947">Kånneby, Tobias</mods:namePart>
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<mods:name id="BF3A4AE78CC5435266CB9876798C7746" type="personal">
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<mods:roleTerm id="7E224A66C00892A8343E008E6992C00B">Author</mods:roleTerm>
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<mods:namePart id="CE08951B6ED2A1E653C723EEDB495923">Jondelius, Ulf</mods:namePart>
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<mods:typeOfResource id="01D8534F223F78D05738247770BD9A3A">text</mods:typeOfResource>
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<mods:title id="5727A234B63320FE57F70120035644CE">Zootaxa</mods:title>
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<mods:part id="86B90D5F1B257FAAA005C4B5CE0FEE3F">
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<mods:date id="CB60647A61BAC956E28831AB07A511CB">2013</mods:date>
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<mods:number id="417074C2527A39B100AA56FFBB7F511E">3736</mods:number>
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<mods:number id="DDF782B301DDFCB379E530DCC971DE58">5</mods:number>
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<mods:start id="373407879CE79D868D1D709A0B6ECBD6">471</mods:start>
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<mods:identifier id="150ADF1E3A3105005BDBCD6E01D2C166" type="DOI">10.11646/zootaxa.3736.5.3</mods:identifier>
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<mods:identifier id="2936AE92B61513C0092E54C4B8DF2E47" type="GBIF-Dataset">1bb8424b-97f1-44b4-b33d-33a27a9b7ca9</mods:identifier>
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<mods:identifier id="C5E890135BD9325401CAA2D7A670D314" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="1D184993BFCB6A0C33D75FCD3BD71709" type="Zenodo-Dep">215890</mods:identifier>
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<mods:identifier id="EE06D02D3734179341BB3B84E2534A35" type="ZooBank">0D412548-2436-434E-93F7-7D2B4EAB53CB</mods:identifier>
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<treatment id="EB2DA62F564FFFB537AF21CAA92DE781" ID-DOI="http://doi.org/10.5281/zenodo.5658308" ID-GBIF-Taxon="119582491" ID-Zenodo-Dep="5658308" LSID="urn:lsid:plazi:treatment:EB2DA62F564FFFB537AF21CAA92DE781" httpUri="http://treatment.plazi.org/id/EB2DA62F564FFFB537AF21CAA92DE781" lastPageId="3" lastPageNumber="474" pageId="2" pageNumber="473">
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<subSubSection id="2B9E44B2564FFFB437AF21CAA824E2BF" box="[151,584,645,671]" pageId="2" pageNumber="473" type="nomenclature">
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<paragraph id="633B1739564FFFB437AF21CAA824E2BF" blockId="2.[151,584,645,671]" box="[151,584,645,671]" pageId="2" pageNumber="473">
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<heading id="3873A055564FFFB437AF21CAA824E2BF" bold="true" box="[151,584,645,671]" fontSize="11" level="1" pageId="2" pageNumber="473" reason="1">
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<emphasis id="51F0CB2B564FFFB437AF21CAA824E2BF" bold="true" box="[151,584,645,671]" pageId="2" pageNumber="473">
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<taxonomicName id="A4846CBA564FFFB437AF21CAAB19E2BF" ID-CoL="8V92C" box="[151,373,645,671]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="2" pageNumber="473" phylum="Xenacoelomorpha" rank="species" species="finkei" status="sp. nov.">
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<emphasis id="51F0CB2B564FFFB437AF21CAAB19E2BF" bold="true" box="[151,373,645,671]" italics="true" pageId="2" pageNumber="473">Isodiametra finkei</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="4AC37650564FFFB4364421CAABD3E2BF" box="[380,447,645,671]" pageId="2" pageNumber="473" rank="species">n. sp.</taxonomicNameLabel>
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||
(
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<figureCitation id="FBBF0BBC564FFFB436F521CAA852E2BF" box="[461,574,645,671]" captionStart-0="FIGURE 1" captionStart-1="FIGURES 2 – 3. 2" captionStart-2="FIGURE 4" captionStartId-0="3.[151,255,1188,1211]" captionStartId-1="4.[151,269,1504,1527]" captionStartId-2="5.[151,255,976,999]" captionTargetBox-0="[415,1171,195,1163]" captionTargetBox-1="[150,1420,191,1479]" captionTargetBox-2="[175,1414,195,952]" captionTargetId-0="figure@3.[415,1171,195,1164]" captionTargetId-1="figure@4.[149,933,195,1480]" captionTargetId-2="figure@5.[175,1414,195,952]" captionTargetPageId-0="3" captionTargetPageId-1="4" captionTargetPageId-2="5" captionText-0="FIGURE 1. Isodiametra finkei n. sp. Photomicrographs of living specimens A – C. A. Dorsal view of whole specimen. Scale bar: 100 µm. B and C. Internal anatomy of posterior end showing the male and female copulatory organs. Note the thick anterior walls of the seminal bursa (arrow). Scale bars: 50 µm." captionText-1="FIGURES 2 – 3. 2. Isodiametra finkei n. sp. Photomicrograph of sagittal histological section stained with hematoxylineosin. Scale bar: 100 µm. 3. Isodiametra finkei n. sp. Schematic drawing of dorsal side of specimen. Scale bar: 100 µm." captionText-2="FIGURE 4. Isodiametra finkei n. sp. Details of the 50 % consensus tree after bootstrap analysis of the concatenated 18 S, 28 S and COI dataset showing the position of this species." httpUri-0="https://zenodo.org/record/215891/files/figure.png" httpUri-1="https://zenodo.org/record/215892/files/figure.png" httpUri-2="https://zenodo.org/record/215893/files/figure.png" pageId="2" pageNumber="473">Figs. 1–4</figureCitation>
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)
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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="2B9E44B2564FFFB437AF2183A9F0E3B8" pageId="2" pageNumber="473" type="materials_examined">
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<paragraph id="633B1739564FFFB437AF2183AB6EE30D" blockId="2.[151,1437,716,2001]" pageId="2" pageNumber="473">
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<emphasis id="51F0CB2B564FFFB437AF2183AB23E2C5" bold="true" box="[151,335,716,741]" pageId="2" pageNumber="473">
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<typeStatus id="BC3FA99B564FFFB437AF2183AABEE2C5" box="[151,210,716,741]" pageId="2" pageNumber="473">Type</typeStatus>
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Material:
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</emphasis>
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Holotype—SMNH Type-8460 (sagittal sections);
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<typeStatus id="BC3FA99B564FFFB434A72182AE6DE2C5" box="[927,1025,717,741]" pageId="2" pageNumber="473" type="paratype">Paratype</typeStatus>
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1—SMNH Type-8461 (transversal sections);
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<typeStatus id="BC3FA99B564FFFB4362B21BFAB19E328" box="[275,373,752,776]" pageId="2" pageNumber="473" type="paratype">Paratype</typeStatus>
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2—SMNH Type-8462 (longitudinal sections);
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<typeStatus id="BC3FA99B564FFFB4348121BFAE77E328" box="[953,1051,752,776]" pageId="2" pageNumber="473" type="paratype">Paratype</typeStatus>
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3—SMNH Type-8463 (sagittal sections).
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</paragraph>
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<paragraph id="633B1739564FFFB437FF2078A9EBE355" blockId="2.[151,1437,716,2001]" pageId="2" pageNumber="473">
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<emphasis id="51F0CB2B564FFFB437FF2078AB1AE370" bold="true" box="[199,374,823,848]" pageId="2" pageNumber="473">
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<typeStatus id="BC3FA99B564FFFB437FF2078AB6EE370" box="[199,258,823,848]" pageId="2" pageNumber="473">Type</typeStatus>
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Locality:
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</emphasis>
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Off Estación Costera de Investigaciones Marinas (ECIM) beach, Las Cruces,
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<collectingCountry id="1B9357A9564FFFB433C32078AF5BE370" box="[1275,1335,823,848]" name="Chile" pageId="2" pageNumber="473">Chile</collectingCountry>
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(
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<geoCoordinate id="06B071FE564FFFB432722077AB6BE354" direction="south" orientation="latitude" pageId="2" pageNumber="473" precision="1" value="-33.50293">33° 30' 10.548" S</geoCoordinate>
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,
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<geoCoordinate id="06B071FE564FFFB4362C2013AB8BE354" box="[276,487,860,885]" direction="west" orientation="longitude" pageId="2" pageNumber="473" precision="1" value="-71.631676">71° 37' 54.012" W</geoCoordinate>
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), at
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<quantity id="A47CBADC564FFFB4352E2013A823E354" box="[534,591,860,884]" metricMagnitude="1" metricUnit="m" metricValue="1.0" pageId="2" pageNumber="473" unit="m" value="10.0">10 m</quantity>
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water depth in shell gravel.
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</paragraph>
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<paragraph id="633B1739564FFFB437FF2030A9F0E3B8" blockId="2.[151,1437,716,2001]" box="[199,924,895,920]" pageId="2" pageNumber="473">
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<emphasis id="51F0CB2B564FFFB437FF2030A86BE3B8" bold="true" box="[199,519,895,920]" pageId="2" pageNumber="473">Other Material Examined:</emphasis>
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Whole mounts of living specimens.
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</paragraph>
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</subSubSection>
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<subSubSection id="2B9E44B2564FFFB437FF20EBA91FE425" pageId="2" pageNumber="473" type="description">
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<paragraph id="633B1739564FFFB437FF20EBA91FE425" blockId="2.[151,1437,716,2001]" pageId="2" pageNumber="473">
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<emphasis id="51F0CB2B564FFFB437FF20EBABF8E39D" bold="true" box="[199,404,932,957]" pageId="2" pageNumber="473">Other Localities:</emphasis>
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Matanzas, Navidad,
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<collectingCountry id="1B9357A9564FFFB435B020EBA8A9E39D" box="[648,709,932,957]" name="Chile" pageId="2" pageNumber="473">Chile</collectingCountry>
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(
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<geoCoordinate id="06B071FE564FFFB435EF20EBA9CAE39C" box="[727,934,932,957]" direction="south" orientation="latitude" pageId="2" pageNumber="473" precision="1" value="-33.96134">33° 57' 40.824" S</geoCoordinate>
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,
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<geoCoordinate id="06B071FE564FFFB4348D20EBAEECE39C" box="[949,1152,932,957]" direction="west" orientation="longitude" pageId="2" pageNumber="473" precision="1" value="-71.879906">71° 52' 47.64" W</geoCoordinate>
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) in the intertidal in dark volcanic silty sand; Estación Costera de Investigaciones Marinas (ECIM) beach, Las Cruces,
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<collectingCountry id="1B9357A9564FFFB433962088AE87E3C0" box="[1198,1259,967,992]" name="Chile" pageId="2" pageNumber="473">Chile</collectingCountry>
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(
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<geoCoordinate id="06B071FE564FFFB433C32087AAC4E424" direction="south" orientation="latitude" pageId="2" pageNumber="473" precision="1" value="-33.50178">33° 30' 6.408" S</geoCoordinate>
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,
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<geoCoordinate id="06B071FE564FFFB4378C20A3ABEAE424" box="[180,390,1004,1029]" direction="west" orientation="longitude" pageId="2" pageNumber="473" precision="1" value="-71.63233">71° 37' 56.388" W</geoCoordinate>
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) in an intertidal rock pool with shell gravel.
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</paragraph>
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</subSubSection>
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<subSubSection id="2B9E44B2564FFFB437FF2740ABE9E46D" pageId="2" pageNumber="473" type="etymology">
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<paragraph id="633B1739564FFFB437FF2740ABE9E46D" blockId="2.[151,1437,716,2001]" pageId="2" pageNumber="473">
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<emphasis id="51F0CB2B564FFFB437FF2740AB3DE408" bold="true" box="[199,337,1039,1064]" pageId="2" pageNumber="473">Etymology:</emphasis>
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This species is named in honor of Dr. Randy Finke who provided invaluable help collecting all of our Chilean material.
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</paragraph>
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</subSubSection>
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<subSubSection id="2B9E44B2564FFFB437FF2718AF73E7F1" pageId="2" pageNumber="473" type="description">
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<paragraph id="633B1739564FFFB437FF2718AB8DE505" blockId="2.[151,1437,716,2001]" pageId="2" pageNumber="473">
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<emphasis id="51F0CB2B564FFFB437FF2718AB37E450" bold="true" box="[199,347,1111,1136]" pageId="2" pageNumber="473">Description:</emphasis>
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Living specimens up to 700 µm in length, varying between 100–200 µm in width. Fixed specimens approximately 300 µm in length and 65–100 µm in width. Body cylindrical to weakly dorso-ventrally flattened and very fragile. Anterior end rounded, body tapers slightly to the rounded posterior end. Body colorless, more or less transparent. Central parenchyma, and sometimes content of vacuoles, of a weak brown-yellowish color. Rhabdoid glands present in distinct rows in anterior part of body (
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<figureCitation id="FBBF0BBC564FFFB434F127A8AE62E520" box="[969,1038,1255,1280]" captionStart="FIGURES 2 – 3. 2" captionStartId="4.[151,269,1504,1527]" captionTargetBox="[150,1420,191,1479]" captionTargetId="figure@4.[149,933,195,1480]" captionTargetPageId="4" captionText="FIGURES 2 – 3. 2. Isodiametra finkei n. sp. Photomicrograph of sagittal histological section stained with hematoxylineosin. Scale bar: 100 µm. 3. Isodiametra finkei n. sp. Schematic drawing of dorsal side of specimen. Scale bar: 100 µm." httpUri="https://zenodo.org/record/215892/files/figure.png" pageId="2" pageNumber="473">Fig. 3</figureCitation>
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). In the posterior part of body they are more scattered and larger.
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</paragraph>
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<paragraph id="633B1739564FFFB437FF267FA902E54D" blockId="2.[151,1437,716,2001]" pageId="2" pageNumber="473">Statocyst 15 µm in diameter with statolith only slightly smaller, approximately 12 µm in diameter. Statocyst located from 60 to 100 µm from anterior end of body at U10–16.</paragraph>
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<paragraph id="633B1739564FFFB437FF2638AAABE5F8" blockId="2.[151,1437,716,2001]" pageId="2" pageNumber="473">
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Epidermis completely ciliated, 2–3 µm in sagittal sections (
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<figureCitation id="FBBF0BBC564FFFB4345E2638A9C0E5B0" box="[870,940,1399,1424]" captionStart="FIGURES 2 – 3. 2" captionStartId="4.[151,269,1504,1527]" captionTargetBox="[150,1420,191,1479]" captionTargetId="figure@4.[149,933,195,1480]" captionTargetPageId="4" captionText="FIGURES 2 – 3. 2. Isodiametra finkei n. sp. Photomicrograph of sagittal histological section stained with hematoxylineosin. Scale bar: 100 µm. 3. Isodiametra finkei n. sp. Schematic drawing of dorsal side of specimen. Scale bar: 100 µm." httpUri="https://zenodo.org/record/215892/files/figure.png" pageId="2" pageNumber="473">Fig. 2</figureCitation>
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). Numerous intra-epidermal to slightly subepidermal cyanophilic mucoid glands, in distinct rows in anterior end and larger and more scattered in posterior end.
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</paragraph>
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<paragraph id="633B1739564FFFB437FF26ABAF3FE665" blockId="2.[151,1437,716,2001]" pageId="2" pageNumber="473">
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Body wall with thin, poorly developed musculature, outer circular fibers and inner, scattered bundles of longitudinal muscle fibers. Large vacuoles, 30–60 µm across confined to posterior quarter of body (
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<figureCitation id="FBBF0BBC564FFFB432212548AF31E600" box="[1305,1373,1543,1568]" captionStart="FIGURE 1" captionStartId="3.[151,255,1188,1211]" captionTargetBox="[415,1171,195,1163]" captionTargetId="figure@3.[415,1171,195,1164]" captionTargetPageId="3" captionText="FIGURE 1. Isodiametra finkei n. sp. Photomicrographs of living specimens A – C. A. Dorsal view of whole specimen. Scale bar: 100 µm. B and C. Internal anatomy of posterior end showing the male and female copulatory organs. Note the thick anterior walls of the seminal bursa (arrow). Scale bars: 50 µm." httpUri="https://zenodo.org/record/215891/files/figure.png" pageId="2" pageNumber="473">Fig. 1</figureCitation>
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), but smaller vacuolar pouches may also be present anterior to mature eggs. The larger vacuoles contain granules.
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</paragraph>
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<paragraph id="633B1739564FFFB437FF2500A9BBE6AC" blockId="2.[151,1437,716,2001]" pageId="2" pageNumber="473">Mouth ventral, positioned anterior to middle of body at U38. Digestive parenchyma extends from just behind the statocyst at U10–16 and ends at the posteriormost mature eggs at U74.</paragraph>
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<paragraph id="633B1739564FFFB437FF25D7ABFFE6F5" blockId="2.[151,1437,716,2001]" pageId="2" pageNumber="473">
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Ovary unpaired, extends from U43 to U74. Mature eggs approximately 100 µm in diameter in living specimens (
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<figureCitation id="FBBF0BBC564FFFB437A725F3AA8DE6F4" box="[159,225,1724,1749]" captionStart="FIGURE 1" captionStartId="3.[151,255,1188,1211]" captionTargetBox="[415,1171,195,1163]" captionTargetId="figure@3.[415,1171,195,1164]" captionTargetPageId="3" captionText="FIGURE 1. Isodiametra finkei n. sp. Photomicrographs of living specimens A – C. A. Dorsal view of whole specimen. Scale bar: 100 µm. B and C. Internal anatomy of posterior end showing the male and female copulatory organs. Note the thick anterior walls of the seminal bursa (arrow). Scale bars: 50 µm." httpUri="https://zenodo.org/record/215891/files/figure.png" pageId="2" pageNumber="473">Fig. 1</figureCitation>
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). Testes paired.
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</paragraph>
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<paragraph id="633B1739564FFFB437FF25AFAF73E7F1" blockId="2.[151,1437,716,2001]" pageId="2" pageNumber="473">
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Common gonopore at U81 leads to a ciliated atrium, 15-20 µm in length. Seminal vesicle, approximately 45 µm in diameter in living specimens, positioned just anterior to the large posterior vacuoles and extends from U87 to U93. The vesicle is filled with sperm and a granular mass that surrounds the penis (
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<figureCitation id="FBBF0BBC564FFFB433032468AEE9E760" box="[1083,1157,1831,1856]" captionStart="FIGURE 1" captionStartId="3.[151,255,1188,1211]" captionTargetBox="[415,1171,195,1163]" captionTargetId="figure@3.[415,1171,195,1164]" captionTargetPageId="3" captionText="FIGURE 1. Isodiametra finkei n. sp. Photomicrographs of living specimens A – C. A. Dorsal view of whole specimen. Scale bar: 100 µm. B and C. Internal anatomy of posterior end showing the male and female copulatory organs. Note the thick anterior walls of the seminal bursa (arrow). Scale bars: 50 µm." httpUri="https://zenodo.org/record/215891/files/figure.png" pageId="2" pageNumber="473">Figs. 1</figureCitation>
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B; 3). The penis consists of an invaginated dorsally curved isodiametric tube, 90 µm in length and 20 µm in width in living specimens (
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<figureCitation id="FBBF0BBC564FFFB432572403AACBE7A8" captionStart="FIGURES 2 – 3. 2" captionStartId="4.[151,269,1504,1527]" captionTargetBox="[150,1420,191,1479]" captionTargetId="figure@4.[149,933,195,1480]" captionTargetPageId="4" captionText="FIGURES 2 – 3. 2. Isodiametra finkei n. sp. Photomicrograph of sagittal histological section stained with hematoxylineosin. Scale bar: 100 µm. 3. Isodiametra finkei n. sp. Schematic drawing of dorsal side of specimen. Scale bar: 100 µm." httpUri="https://zenodo.org/record/215892/files/figure.png" pageId="2" pageNumber="473">Fig. 3</figureCitation>
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). The seminal bursa, 60 µm in length (including bursal nozzle) is situated anterior to the male copulatory organ and extends from U76 to U85 (
|
||
<figureCitation id="FBBF0BBC564FFFB436CC24DBA852E78C" box="[500,574,1940,1965]" captionStart="FIGURE 1" captionStartId="3.[151,255,1188,1211]" captionTargetBox="[415,1171,195,1163]" captionTargetId="figure@3.[415,1171,195,1164]" captionTargetPageId="3" captionText="FIGURE 1. Isodiametra finkei n. sp. Photomicrographs of living specimens A – C. A. Dorsal view of whole specimen. Scale bar: 100 µm. B and C. Internal anatomy of posterior end showing the male and female copulatory organs. Note the thick anterior walls of the seminal bursa (arrow). Scale bars: 50 µm." httpUri="https://zenodo.org/record/215891/files/figure.png" pageId="2" pageNumber="473">Figs. 1</figureCitation>
|
||
C; 3). Bursa fibrous with thin posterior walls that distinctly thickens towards the bursal nozzle (
|
||
<figureCitation id="FBBF0BBC564FFFB4365C24F7ABC2E7F0" box="[356,430,1976,2001]" captionStart="FIGURE 1" captionStartId="3.[151,255,1188,1211]" captionTargetBox="[415,1171,195,1163]" captionTargetId="figure@3.[415,1171,195,1164]" captionTargetPageId="3" captionText="FIGURE 1. Isodiametra finkei n. sp. Photomicrographs of living specimens A – C. A. Dorsal view of whole specimen. Scale bar: 100 µm. B and C. Internal anatomy of posterior end showing the male and female copulatory organs. Note the thick anterior walls of the seminal bursa (arrow). Scale bars: 50 µm." httpUri="https://zenodo.org/record/215891/files/figure.png" pageId="2" pageNumber="473">Figs. 1</figureCitation>
|
||
C; 3). The bursa nozzle is conical, 15-20 µm in length, with lateral extensions.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="37FB47B1564EFFB537AF27EBA902E4DC" httpUri="https://zenodo.org/record/215891/files/figure.png" pageId="3" pageNumber="474" targetBox="[415,1171,195,1163]" targetPageId="3">
|
||
<paragraph id="633B1739564EFFB537AF27EBA902E4DC" blockId="3.[151,1437,1187,1276]" pageId="3" pageNumber="474">
|
||
<emphasis id="51F0CB2B564EFFB537AF27EBAB76E49B" bold="true" box="[151,282,1188,1211]" pageId="3" pageNumber="474">FIGURE 1.</emphasis>
|
||
<taxonomicName id="A4846CBA564EFFB5361B27ECAB84E49B" box="[291,488,1187,1211]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="finkei" status="sp. nov.">
|
||
<emphasis id="51F0CB2B564EFFB5361B27ECAB84E49B" box="[291,488,1187,1211]" italics="true" pageId="3" pageNumber="474">Isodiametra finkei</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="4AC37650564EFFB536D727EBA846E49B" box="[495,554,1188,1211]" pageId="3" pageNumber="474" rank="species">n. sp.</taxonomicNameLabel>
|
||
Photomicrographs of living specimens A–C. A. Dorsal view of whole specimen. Scale bar: 100 µm. B and C. Internal anatomy of posterior end showing the male and female copulatory organs. Note the thick anterior walls of the seminal bursa (arrow). Scale bars: 50 µm.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="2B9E44B2564EFFB537FF266BA92DE781" pageId="3" pageNumber="474" type="diagnosis">
|
||
<paragraph id="633B1739564EFFB537FF266BAB52E5D1" blockId="3.[151,1437,1316,1953]" pageId="3" pageNumber="474">
|
||
<emphasis id="51F0CB2B564EFFB537FF266BA81DE51D" bold="true" box="[199,625,1316,1341]" pageId="3" pageNumber="474">Diagnosis and Taxonomic remarks:</emphasis>
|
||
<taxonomicName id="A4846CBA564EFFB53541266AA8BCE51C" box="[633,720,1316,1340]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="finkei" status="sp. nov.">
|
||
<emphasis id="51F0CB2B564EFFB53541266AA8BCE51C" box="[633,720,1316,1340]" italics="true" pageId="3" pageNumber="474">I. finkei</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="4AC37650564EFFB535E1266AA97AE51C" box="[729,790,1317,1340]" pageId="3" pageNumber="474" rank="species">n. sp.</taxonomicNameLabel>
|
||
can be separated from all other species within the genus based on its fibrous bursa with anterior lateral extensions, thick anterior and thin posterior wall and a conical bursal nozzle. In the maximum likelihood tree based on the concatenated 18S, 28S and COI dataset, the new species groups with other species of
|
||
<taxonomicName id="A4846CBA564EFFB536E326DFA80FE588" box="[475,611,1424,1448]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="genus">
|
||
<emphasis id="51F0CB2B564EFFB536E326DFA80FE588" box="[475,611,1424,1448]" italics="true" pageId="3" pageNumber="474">Isodiametra</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="FBBF0BBC564EFFB5354A26DFA8DBE588" box="[626,695,1424,1449]" captionStart="FIGURE 4" captionStartId="5.[151,255,976,999]" captionTargetBox="[175,1414,195,952]" captionTargetId="figure@5.[175,1414,195,952]" captionTargetPageId="5" captionText="FIGURE 4. Isodiametra finkei n. sp. Details of the 50 % consensus tree after bootstrap analysis of the concatenated 18 S, 28 S and COI dataset showing the position of this species." httpUri="https://zenodo.org/record/215893/files/figure.png" pageId="3" pageNumber="474">Fig. 4</figureCitation>
|
||
). The genus
|
||
<taxonomicName id="A4846CBA564EFFB5347026DFA9BCE588" box="[840,976,1424,1448]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="genus">
|
||
<emphasis id="51F0CB2B564EFFB5347026DFA9BCE588" box="[840,976,1424,1448]" italics="true" pageId="3" pageNumber="474">Isodiametra</emphasis>
|
||
</taxonomicName>
|
||
is characterized by a muscular glandular isodiametric penis invaginated into the seminal vesicle and a seminal bursa with only a single bursal nozzle (Hooge & Tyler 2005).
|
||
</paragraph>
|
||
<paragraph id="633B1739564EFFB537FF26B2AEE5E6CD" blockId="3.[151,1437,1316,1953]" pageId="3" pageNumber="474">
|
||
A similar seminal bursa with anteriorly thickened walls occurs also in
|
||
<taxonomicName id="A4846CBA564EFFB5331A26B3AB22E619" authority="Hooge & Eppinger, 2005" authorityName="Hooge & Eppinger" authorityYear="2005" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="bajaensis">
|
||
<emphasis id="51F0CB2B564EFFB5331A26B3AF4DE634" box="[1058,1313,1532,1556]" italics="true" pageId="3" pageNumber="474">Isodiametra bajaensis</emphasis>
|
||
Hooge & Eppinger, 2005
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="A4846CBA564EFFB5365A256FA907E618" authority="Hooge & Tyler, 2008" authorityName="Hooge & Tyler" authorityYear="2008" box="[354,875,1568,1593]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="cuernos">
|
||
<emphasis id="51F0CB2B564EFFB5365A256FA83DE618" box="[354,593,1568,1592]" italics="true" pageId="3" pageNumber="474">Isodiametra cuernos</emphasis>
|
||
Hooge & Tyler, 2008
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="A4846CBA564EFFB53447256FAF08E618" authority="Hooge & Tyler, 2008" authorityName="Hooge & Tyler" authorityYear="2008" box="[895,1380,1568,1593]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="nicki">
|
||
<emphasis id="51F0CB2B564EFFB53447256FAE20E618" box="[895,1100,1568,1592]" italics="true" pageId="3" pageNumber="474">Isodiametra nicki</emphasis>
|
||
Hooge & Tyler, 2008
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="A4846CBA564EFFB537AF250BA807E67D" authority="Westblad, 1946" authorityName="Westblad" authorityYear="1946" box="[151,619,1604,1629]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="norvegica">
|
||
<emphasis id="51F0CB2B564EFFB537AF250BABF5E67C" box="[151,409,1604,1628]" italics="true" pageId="3" pageNumber="474">Isodiametra norvegica</emphasis>
|
||
(Westblad, 1946)
|
||
</taxonomicName>
|
||
. However, all these species have paired ovaries compared to a single ovary in
|
||
<taxonomicName id="A4846CBA564EFFB537C42526AB3EE6A0" box="[252,338,1640,1664]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="finkei" status="sp. nov.">
|
||
<emphasis id="51F0CB2B564EFFB537C42526AB3EE6A0" box="[252,338,1640,1664]" italics="true" pageId="3" pageNumber="474">I. finkei</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="4AC37650564EFFB536622526ABFAE6A0" box="[346,406,1641,1664]" pageId="3" pageNumber="474" rank="species">n. sp.</taxonomicNameLabel>
|
||
Moreover,
|
||
<taxonomicName id="A4846CBA564EFFB535222526A8F0E6A0" box="[538,668,1640,1664]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="bajaensis">
|
||
<emphasis id="51F0CB2B564EFFB535222526A8F0E6A0" box="[538,668,1640,1664]" italics="true" pageId="3" pageNumber="474">I. bajaensis</emphasis>
|
||
</taxonomicName>
|
||
possesses a long and thin bursal nozzle compared to a short conical bursal nozzle in
|
||
<taxonomicName id="A4846CBA564EFFB5366B25C2ABC6E684" box="[339,426,1676,1700]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="finkei" status="sp. nov.">
|
||
<emphasis id="51F0CB2B564EFFB5366B25C2ABC6E684" box="[339,426,1676,1700]" italics="true" pageId="3" pageNumber="474">I. finkei</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="4AC37650564EFFB5368A25C2AB83E684" box="[434,495,1677,1700]" pageId="3" pageNumber="474" rank="species">n. sp.</taxonomicNameLabel>
|
||
In
|
||
<taxonomicName id="A4846CBA564EFFB5352F25C2A80AE684" box="[535,614,1676,1700]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="nicki">
|
||
<emphasis id="51F0CB2B564EFFB5352F25C2A80AE684" box="[535,614,1676,1700]" italics="true" pageId="3" pageNumber="474">I. nicki</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="A4846CBA564EFFB535A725C2A944E684" box="[671,808,1677,1700]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="norvegica">
|
||
<emphasis id="51F0CB2B564EFFB535A725C2A944E684" box="[671,808,1677,1700]" italics="true" pageId="3" pageNumber="474">I. norvegica</emphasis>
|
||
</taxonomicName>
|
||
the bursal nozzle is spherical and tubular, respectively. The bursa with lateral extensions of
|
||
<taxonomicName id="A4846CBA564EFFB5350525FEA8C3E6E8" box="[573,687,1713,1736]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="cuernos">
|
||
<emphasis id="51F0CB2B564EFFB5350525FEA8C3E6E8" box="[573,687,1713,1736]" italics="true" pageId="3" pageNumber="474">I. cuernos</emphasis>
|
||
</taxonomicName>
|
||
is very similar to the bursa of
|
||
<taxonomicName id="A4846CBA564EFFB5332025FEAE1CE6E8" box="[1048,1136,1712,1736]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="finkei" status="sp. nov.">
|
||
<emphasis id="51F0CB2B564EFFB5332025FEAE1CE6E8" box="[1048,1136,1712,1736]" italics="true" pageId="3" pageNumber="474">I. finkei</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="4AC37650564EFFB5334225FEAED6E6E8" box="[1146,1210,1713,1736]" pageId="3" pageNumber="474" rank="species">n. sp.</taxonomicNameLabel>
|
||
, however, the short description of the former does not allow a detailed comparison (see Hooge & Tyler 2008).
|
||
</paragraph>
|
||
<paragraph id="633B1739564EFFB537FF25B7A92DE781" blockId="3.[151,1437,1316,1953]" pageId="3" pageNumber="474">
|
||
According to the phylogenetic analysis
|
||
<taxonomicName id="A4846CBA564EFFB535B125B6A88CE730" box="[649,736,1784,1808]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="finkei" status="sp. nov.">
|
||
<emphasis id="51F0CB2B564EFFB535B125B6A88CE730" box="[649,736,1784,1808]" italics="true" pageId="3" pageNumber="474">I. finkei</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="4AC37650564EFFB535D025B6A949E730" box="[744,805,1785,1808]" pageId="3" pageNumber="474" rank="species">n. sp.</taxonomicNameLabel>
|
||
is most closely related to
|
||
<taxonomicName id="A4846CBA564EFFB5336925B6AEAEE730" box="[1105,1218,1785,1808]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="cuernos">
|
||
<emphasis id="51F0CB2B564EFFB5336925B6AEAEE730" box="[1105,1218,1785,1808]" italics="true" pageId="3" pageNumber="474">I. cuernos</emphasis>
|
||
</taxonomicName>
|
||
in a clade together with
|
||
<taxonomicName id="A4846CBA564EFFB537E92453AB34E714" box="[209,344,1820,1844]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="genus">
|
||
<emphasis id="51F0CB2B564EFFB537E92453AB34E714" box="[209,344,1820,1844]" italics="true" pageId="3" pageNumber="474">Isodiametra</emphasis>
|
||
</taxonomicName>
|
||
sp. 11 (a yet undescribed species in our collection) and
|
||
<taxonomicName id="A4846CBA564EFFB534EE2452AE35E714" box="[982,1113,1820,1844]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="bajaensis">
|
||
<emphasis id="51F0CB2B564EFFB534EE2452AE35E714" box="[982,1113,1820,1844]" italics="true" pageId="3" pageNumber="474">I. bajaensis</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="FBBF0BBC564EFFB533512453AEC3E715" box="[1129,1199,1820,1845]" captionStart="FIGURE 4" captionStartId="5.[151,255,976,999]" captionTargetBox="[175,1414,195,952]" captionTargetId="figure@5.[175,1414,195,952]" captionTargetPageId="5" captionText="FIGURE 4. Isodiametra finkei n. sp. Details of the 50 % consensus tree after bootstrap analysis of the concatenated 18 S, 28 S and COI dataset showing the position of this species." httpUri="https://zenodo.org/record/215893/files/figure.png" pageId="3" pageNumber="474">Fig. 4</figureCitation>
|
||
). The sister group of this clade contains
|
||
<taxonomicName id="A4846CBA564EFFB5364A240FA94AE778" authority="Marcus, 1948" authorityName="Marcus" authorityYear="1948" box="[370,806,1856,1880]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="vexillaria">
|
||
<emphasis id="51F0CB2B564EFFB5364A240FA801E778" box="[370,621,1856,1880]" italics="true" pageId="3" pageNumber="474">Isodiametra vexillaria</emphasis>
|
||
(Marcus, 1948)
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="A4846CBA564EFFB5340B240EA9EEE778" box="[819,898,1856,1880]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="nicki">
|
||
<emphasis id="51F0CB2B564EFFB5340B240EA9EEE778" box="[819,898,1856,1880]" italics="true" pageId="3" pageNumber="474">I. nicki</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="A4846CBA564EFFB53484240EAF59E778" authority="Smith & Bush, 1991" authorityName="Smith & Bush" authorityYear="1991" box="[956,1333,1856,1881]" class="Acoelomorpha" family="Isodiametridae" genus="Isodiametra" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="pulchra">
|
||
<emphasis id="51F0CB2B564EFFB53484240EAE40E778" box="[956,1068,1856,1880]" italics="true" pageId="3" pageNumber="474">I. pulchra</emphasis>
|
||
(Smith & Bush, 1991)
|
||
</taxonomicName>
|
||
, but also
|
||
<taxonomicName id="A4846CBA564EFFB537AF242BA835E75D" authority="Orsted, 1845" authorityName="Orsted" authorityYear="1845" box="[151,601,1892,1917]" class="Acoelomorpha" family="Isodiametridae" genus="Aphanostoma" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="virescens">
|
||
<emphasis id="51F0CB2B564EFFB537AF242BABCFE75C" box="[151,419,1892,1916]" italics="true" pageId="3" pageNumber="474">Aphanostoma virescens</emphasis>
|
||
(Ørsted, 1845)
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="A4846CBA564EFFB53551242BAE58E75D" authority="Kozloff, 1965" authorityName="Kozloff" authorityYear="1965" box="[617,1076,1892,1917]" class="Acoelomorpha" family="Isodiametridae" genus="Raphidophallus" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="actuosus">
|
||
<emphasis id="51F0CB2B564EFFB53551242BA9E4E75C" box="[617,904,1892,1916]" italics="true" pageId="3" pageNumber="474">Raphidophallus actuosus</emphasis>
|
||
Kozloff, 1965
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="A4846CBA564EFFB5334C242BAB4BE781" authority="Hooge & Rocha, 2006" authorityName="Hooge & Rocha" authorityYear="2006" class="Acoelomorpha" family="Isodiametridae" genus="Otocelis" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="474" phylum="Xenacoelomorpha" rank="species" species="erinae">
|
||
<emphasis id="51F0CB2B564EFFB5334C242BAF49E75C" box="[1140,1317,1892,1916]" italics="true" pageId="3" pageNumber="474">Otocelis erinae</emphasis>
|
||
Hooge & Rocha, 2006
|
||
</taxonomicName>
|
||
, highlighting the need for revision of the group.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |