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<document id="19B8C33586D1111A523142D437BCEE22" ID-DOI="10.6620/ZS.2021.60-22" ID-ISSN="1810-522X" ID-PMC="PMC8598982" ID-PubMed="34853612" ID-Zenodo-Dep="12824095" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1721926310034" checkinUser="felipe" docAuthor="Reyes, Jhoe, Binow, Daniela, Vianna, Rogério T., Brusa, Francisco &amp; Martins, Samantha E." docDate="2021" docId="7B330457FFFC987CA37B7A5AC25DD666" docLanguage="en" docName="ZoolStud.60.22.1-33.pdf" docOrigin="Zoological Studies 60 (22)" docSource="http://dx.doi.org/10.5281/zenodo.12823688" docStyle="DocumentStyle:E2601EF9E8BBDC4537EE724C10FF512F.1:ZoolStud.2019-.journal_article" docStyleId="E2601EF9E8BBDC4537EE724C10FF512F" docStyleName="ZoolStud.2019-.journal_article" docStyleVersion="1" docTitle="Gieysztoria evelinae Luther 1955" docType="treatment" docVersion="2" lastPageNumber="18" masterDocId="870A7C2FFFF3986DA0567F66C355D570" masterDocTitle="Fig. 12. Majella pristis n in Periclimenaeus djiboutensis Bruce 1970" masterLastPageNumber="33" masterPageNumber="1" pageNumber="16" updateTime="1721928470021" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:title id="4CE8F2B3CFE028ECFF7BFF80B94F4488">Fig. 12. Majella pristis n in Periclimenaeus djiboutensis Bruce 1970</mods:title>
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<mods:namePart id="CAE82F449B018F27F60A4A836A4FFE7E">Reyes, Jhoe</mods:namePart>
<mods:affiliation id="45000C6F3F14171864D8334694815CB2">Programa de Pós-graduação em Biologia de Ambientes Aquáticos Continentais (PPGBAC / FURG), Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, RS, Brazil. * Correspondence: E-mail: rtvianna @ gmail. com (Vianna). &amp; Universidade Federal do Rio Grande, Instituto de Ciências Biológicas, Laboratório de Biologia de Parasitos de Organismos Aquáticos, Av.</mods:affiliation>
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<mods:namePart id="BC51BC1C76804B3B147E4EA164909379">Binow, Daniela</mods:namePart>
<mods:affiliation id="8E845EA1B8B4B52983A4F4C58938CEFA">Universidade Federal do Rio Grande, Instituto de Ciências Biológicas, Laboratório de Biologia de Parasitos de Organismos Aquáticos, Av.</mods:affiliation>
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<mods:namePart id="9C44DD8077C7772FA101787566103DB1">Vianna, Rogério T.</mods:namePart>
<mods:affiliation id="EC96590184407B684A3001FABF882F53">Programa de Pós-graduação em Biologia de Ambientes Aquáticos Continentais (PPGBAC / FURG), Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, RS, Brazil. * Correspondence: E-mail: rtvianna @ gmail. com (Vianna). &amp; Universidade Federal do Rio Grande, Instituto de Ciências Biológicas, Laboratório de Biologia de Parasitos de Organismos Aquáticos, Av.</mods:affiliation>
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<mods:namePart id="0FA76B5178C3031EC290A719330198DE">Brusa, Francisco</mods:namePart>
<mods:affiliation id="6939627E076096D59562FA3BF7019AC1">División Zoología Invertebrados, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Boulevard 120 &amp; 61, La Plata, Argentina. E-mail: fbrusa @ fcnym. unlp. edu. ar (Brusa) &amp; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina</mods:affiliation>
<mods:nameIdentifier id="8157BAE4A1AB501A4421359D524B100F" type="email">fbrusa@fcnym.unlp.edu.ar</mods:nameIdentifier>
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<mods:namePart id="E5FB536F0936CCD65B46EBA89685FABF">Martins, Samantha E.</mods:namePart>
<mods:affiliation id="5366BF53CE1B9D1ACC9E6AFF6DE5BEAB">Programa de Pós-graduação em Biologia de Ambientes Aquáticos Continentais (PPGBAC / FURG), Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, RS, Brazil. * Correspondence: E-mail: rtvianna @ gmail. com (Vianna). &amp; Norwegian Institute for Water Research (NIVA), Ecotoxicology and Risk Assessment Section, Gaustadalléen 21, 0349, Oslo, Norway.</mods:affiliation>
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<mods:title id="BB330BAB21042775838A3822D70DB63A">Zoological Studies</mods:title>
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<mods:date id="E0144FF6AAB4E66A016958877A4E07BB">2021</mods:date>
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<mods:number id="10B2CF70CD5AB86C6AA90FAD50390CCC">2021-05-27</mods:number>
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<mods:number id="6CCC6872D8EEEA1E247B1CF267CA4F78">60</mods:number>
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<mods:number id="05A3CC249CC4704EBC97B94195CE4507">22</mods:number>
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<mods:identifier id="F5608B9EA8F0B0EF6B4E8AFDBEC36046" type="DOI">10.6620/ZS.2021.60-22</mods:identifier>
<mods:identifier id="42B708344648891267A959CDEBFA68E8" type="ISSN">1810-522X</mods:identifier>
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<treatment id="7B330457FFFC987CA37B7A5AC25DD666" LSID="urn:lsid:plazi:treatment:7B330457FFFC987CA37B7A5AC25DD666" httpUri="http://treatment.plazi.org/id/7B330457FFFC987CA37B7A5AC25DD666" lastPageId="17" lastPageNumber="18" pageId="15" pageNumber="16">
<subSubSection id="BB80E6CAFFFC9862A37B7A5AC6D0D025" box="[813,1413,1340,1366]" pageId="15" pageNumber="16" type="nomenclature">
<paragraph id="F325B541FFFC9862A37B7A5AC6D0D025" blockId="15.[813,1413,1340,1366]" box="[813,1413,1340,1366]" pageId="15" pageNumber="16">
<heading id="A86D022DFFFC9862A37B7A5AC6D0D025" bold="true" box="[813,1413,1340,1366]" centered="true" fontSize="10" level="2" pageId="15" pageNumber="16" reason="3">
<taxonomicName id="349ACEC2FFFC9862A37B7A5AC6D0D025" ID-CoL="6KFKG" authority="(Marcus, 1946) Luther, 1955" authorityName="Luther" authorityYear="1955" baseAuthorityName="Marcus" baseAuthorityYear="1946" box="[813,1413,1340,1366]" family="Dalyelliidae" genus="Gieysztoria" kingdom="Animalia" order="Rhabdocoela" pageId="15" pageNumber="16" phylum="Platyhelminthes" rank="species" species="evelinae">
<emphasis id="C1EE6953FFFC9862A37B7A5AC6D0D025" bold="true" box="[813,1413,1340,1366]" pageId="15" pageNumber="16">
<emphasis id="C1EE6953FFFC9862A37B7A5AC77DD025" bold="true" box="[813,1064,1340,1366]" italics="true" pageId="15" pageNumber="16">Gieysztoria evelinae</emphasis>
(
<bibRefCitation id="970BC8B0FFFC9862A4617A5AC78BD025" author="Marcus E." box="[1079,1246,1340,1365]" pageId="15" pageNumber="16" pagination="5 - 254" refId="ref21917" refString="Marcus E. 1946. Sobre Tubellaria Brasileiros. Bol Fac Fil Cienc Letr Univ Sao Paulo Zool 11: 5 - 254." type="journal article" year="1946">Marcus, 1946</bibRefCitation>
)
<bibRefCitation id="970BC8B0FFFC9862A4BA7A5AC6D0D025" author="Luther A." box="[1260,1413,1340,1365]" pageId="15" pageNumber="16" pagination="1 - 337" refId="ref21696" refString="Luther A. 1955. Die Dalyelliiden (Turbellaria Neorhabdocoela) Eine Monographie. Acta Zool Fennica 87: 1 - 337." type="journal article" year="1955">Luther, 1955</bibRefCitation>
</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="BB80E6CAFFFC987CA44E7A3BC25DD666" lastPageId="17" lastPageNumber="18" pageId="15" pageNumber="16" type="description">
<paragraph id="F325B541FFFC9862A44E7A3BC7CFD005" blockId="15.[1048,1178,1373,1397]" box="[1048,1178,1373,1397]" pageId="15" pageNumber="16">
(
<figureCitation id="6BA1A9C4FFFC9862A4767A3BC7C6D005" box="[1056,1171,1373,1397]" captionStart="Fig" captionStartId="16.[174,205,1869,1888]" captionTargetBox="[174,1451,679,1840]" captionTargetId="figure-298@16.[174,1451,679,1840]" captionTargetPageId="16" captionText="Fig. 7. Live specimens of Gieysztoria. (A–C) Gieysztoria evelinae: (A) lateral view of a free-swimming individual, (B) detail of the posterior body region with details of the copulatory organs and (C1–4) detail of the penis stylet in different focal planes. (D–F) Gieysztoria hymanae: (D) dorsal view of a mature individual, (E) posterior body region with details of the copulatory organs and (F1–4) detail of the penis stylet in different focal planes." figureDoi="http://doi.org/10.5281/zenodo.12824109" httpUri="https://zenodo.org/record/12824109/files/figure.png" pageId="15" pageNumber="16">Fig. 7A–C</figureCitation>
)
</paragraph>
<paragraph id="F325B541FFFC9862A37B7AFEC780D0DB" blockId="15.[813,1237,1432,1451]" box="[813,1237,1432,1451]" pageId="15" pageNumber="16">
Synonym:
<taxonomicName id="349ACEC2FFFC9862A3DC7AFEC784D0DB" authority="Marcus, 1946" authorityName="Marcus" authorityYear="1946" box="[906,1233,1432,1451]" family="Dalyelliidae" genus="Microdalyellia" kingdom="Animalia" order="Rhabdocoela" pageId="15" pageNumber="16" phylum="Platyhelminthes" rank="species" species="evelinae">
<emphasis id="C1EE6953FFFC9862A3DC7AFEC701D0DB" box="[906,1108,1432,1451]" italics="true" pageId="15" pageNumber="16">Microdalyellia evelinae</emphasis>
<bibRefCitation id="970BC8B0FFFC9862A40F7AFEC784D0DB" author="Marcus E." box="[1113,1233,1432,1451]" pageId="15" pageNumber="16" pagination="5 - 254" refId="ref21917" refString="Marcus E. 1946. Sobre Tubellaria Brasileiros. Bol Fac Fil Cienc Letr Univ Sao Paulo Zool 11: 5 - 254." type="journal article" year="1946">Marcus, 1946</bibRefCitation>
</taxonomicName>
.
</paragraph>
<paragraph id="F325B541FFFC9862A33F7AB5C0C2D35B" blockId="15.[813,1414,1491,1964]" pageId="15" pageNumber="16">
<emphasis id="C1EE6953FFFC9862A33F7AB5C74FD09B" box="[873,1050,1491,1515]" italics="true" pageId="15" pageNumber="16">Studied material</emphasis>
: A single individual studied alive, afterwards whole mounted in Hoyer’s medium (MZUSP PL 2236).
</paragraph>
<paragraph id="F325B541FFFC9862A33F7955C751D31B" blockId="15.[813,1414,1491,1964]" pageId="15" pageNumber="16">
<emphasis id="C1EE6953FFFC9862A33F7955C080D33B" box="[873,981,1587,1611]" italics="true" pageId="15" pageNumber="16">Localities</emphasis>
: Sites 3 (
<date id="87249381FFFC9862A4127955C790D33B" box="[1092,1221,1587,1611]" pageId="15" pageNumber="16" value="2019-02-18">18/02/2019</date>
), associated with phytal microhabitat.
</paragraph>
<paragraph id="F325B541FFFC987DA33F7912C735D485" blockId="15.[813,1414,1491,1964]" lastBlockId="16.[850,1452,253,630]" lastPageId="16" lastPageNumber="17" pageId="15" pageNumber="16">
<emphasis id="C1EE6953FFFC9862A33F7912C0B6D3FB" box="[873,995,1652,1675]" italics="true" pageId="15" pageNumber="16">Description</emphasis>
: The body is
<quantity id="346218A4FFFC9862A4217915C79CD3FB" box="[1143,1225,1651,1675]" metricMagnitude="-4" metricUnit="m" metricValue="9.0" pageId="15" pageNumber="16" unit="mm" value="0.9">0.9 mm</quantity>
long and
<quantity id="346218A4FFFC9862A5627915C6D3D3FB" box="[1332,1414,1651,1675]" metricMagnitude="-4" metricUnit="m" metricValue="2.0" pageId="15" pageNumber="16" unit="mm" value="0.2">0.2 mm</quantity>
wide; anterior end bluntly rounded, caudal end pointed, tail-like shape; brownish-orange pigmentation concentrated especially behind the pharynx. Two black bean-like eyes located at the anterior region of the body. The pharynx is 137.2 μm long and 111.2 μm wide. Two dorsal feathery vitellaria (357.9 μm long) with finger-like prolongations (
<figureCitation id="6BA1A9C4FFFC9862A4587835C739D21C" box="[1038,1132,1875,1900]" captionStart="Fig" captionStartId="16.[174,205,1869,1888]" captionTargetBox="[174,1451,679,1840]" captionTargetId="figure-298@16.[174,1451,679,1840]" captionTargetPageId="16" captionText="Fig. 7. Live specimens of Gieysztoria. (A–C) Gieysztoria evelinae: (A) lateral view of a free-swimming individual, (B) detail of the posterior body region with details of the copulatory organs and (C1–4) detail of the penis stylet in different focal planes. (D–F) Gieysztoria hymanae: (D) dorsal view of a mature individual, (E) posterior body region with details of the copulatory organs and (F1–4) detail of the penis stylet in different focal planes." figureDoi="http://doi.org/10.5281/zenodo.12824109" httpUri="https://zenodo.org/record/12824109/files/figure.png" pageId="15" pageNumber="16">Fig. 7A</figureCitation>
). The male reproductive system comprised by two rear lateral testes, seminal vesicle (60.7 μm long, 95.4 μm wide), prostatic vesicle (60.4 μm long, 88.3 μm wide) and a penis stylet (
<figureCitation id="6BA1A9C4FFE3987DA28D7F9BC384D446" captionStart="Fig" captionStartId="16.[174,205,1869,1888]" captionTargetBox="[174,1451,679,1840]" captionTargetId="figure-298@16.[174,1451,679,1840]" captionTargetPageId="16" captionText="Fig. 7. Live specimens of Gieysztoria. (A–C) Gieysztoria evelinae: (A) lateral view of a free-swimming individual, (B) detail of the posterior body region with details of the copulatory organs and (C1–4) detail of the penis stylet in different focal planes. (D–F) Gieysztoria hymanae: (D) dorsal view of a mature individual, (E) posterior body region with details of the copulatory organs and (F1–4) detail of the penis stylet in different focal planes." figureDoi="http://doi.org/10.5281/zenodo.12824109" httpUri="https://zenodo.org/record/12824109/files/figure.png" pageId="16" pageNumber="17">Fig. 7B</figureCitation>
). The penis stylet is 72.9 µm in total length, with a dorsal opened girdle and distal spines. The girdle is composed by a proximal ring (24.77 μm in height and 47.61 μm in width) united by bridges (5.4 μm in height) to a distal ring (
<figureCitation id="6BA1A9C4FFE3987DA1E67EFBC15CD4C6" box="[432,521,413,438]" captionStart="Fig" captionStartId="16.[174,205,1869,1888]" captionTargetBox="[174,1451,679,1840]" captionTargetId="figure-298@16.[174,1451,679,1840]" captionTargetPageId="16" captionText="Fig. 7. Live specimens of Gieysztoria. (A–C) Gieysztoria evelinae: (A) lateral view of a free-swimming individual, (B) detail of the posterior body region with details of the copulatory organs and (C1–4) detail of the penis stylet in different focal planes. (D–F) Gieysztoria hymanae: (D) dorsal view of a mature individual, (E) posterior body region with details of the copulatory organs and (F1–4) detail of the penis stylet in different focal planes." figureDoi="http://doi.org/10.5281/zenodo.12824109" httpUri="https://zenodo.org/record/12824109/files/figure.png" pageId="16" pageNumber="17">Fig. 7C</figureCitation>
<figureCitation id="6BA1A9C4FFE3987DA25E7EF8C147D4C6" box="[520,530,414,438]" captionStart="Fig" captionStartId="1.[136,167,1954,1973]" captionTargetBox="[140,1398,1180,1926]" captionTargetId="figure-5@1.[136,1413,1172,1939]" captionTargetPageId="1" captionText="Fig. 1. Maps showing the collection sites in the Taim nature reserve (ESEC Taim), Rio Grande do Sul, Brazil." figureDoi="http://doi.org/10.5281/zenodo.12824097" httpUri="https://zenodo.org/record/12824097/files/figure.png" pageId="16" pageNumber="17">1</figureCitation>
). The distal ring bears spines that are composed of two different groups. The first group is composed of four hollow well-developed spines (41.7 μm,
<emphasis id="C1EE6953FFE3987DA13B7E98C22FD765" box="[365,378,510,533]" italics="true" pageId="16" pageNumber="17">n</emphasis>
= 4, length) with a broad triangular slightly outward-curved base (18.4 μm,
<emphasis id="C1EE6953FFE3987DA2247D78C12AD745" box="[626,639,542,565]" italics="true" pageId="16" pageNumber="17">n</emphasis>
= 1, width) (
<figureCitation id="6BA1A9C4FFE3987DA0E07D5BC244D726" box="[182,273,573,598]" captionStart="Fig" captionStartId="16.[174,205,1869,1888]" captionTargetBox="[174,1451,679,1840]" captionTargetId="figure-298@16.[174,1451,679,1840]" captionTargetPageId="16" captionText="Fig. 7. Live specimens of Gieysztoria. (A–C) Gieysztoria evelinae: (A) lateral view of a free-swimming individual, (B) detail of the posterior body region with details of the copulatory organs and (C1–4) detail of the penis stylet in different focal planes. (D–F) Gieysztoria hymanae: (D) dorsal view of a mature individual, (E) posterior body region with details of the copulatory organs and (F1–4) detail of the penis stylet in different focal planes." figureDoi="http://doi.org/10.5281/zenodo.12824109" httpUri="https://zenodo.org/record/12824109/files/figure.png" pageId="16" pageNumber="17">Fig. 7C</figureCitation>
<figureCitation id="6BA1A9C4FFE3987DA1477D58C24ED726" box="[273,283,574,598]" captionStart="Fig" captionStartId="1.[136,167,1954,1973]" captionTargetBox="[140,1398,1180,1926]" captionTargetId="figure-5@1.[136,1413,1172,1939]" captionTargetPageId="1" captionText="Fig. 1. Maps showing the collection sites in the Taim nature reserve (ESEC Taim), Rio Grande do Sul, Brazil." figureDoi="http://doi.org/10.5281/zenodo.12824097" httpUri="https://zenodo.org/record/12824097/files/figure.png" pageId="16" pageNumber="17">1</figureCitation>
, C
<figureCitation id="6BA1A9C4FFE3987DA16B7D58C219D726" box="[317,332,574,598]" captionStart="Fig" captionStartId="11.[136,167,1897,1916]" captionTargetBox="[141,1409,249,1872]" captionTargetId="figure-5@11.[141,1409,240,1880]" captionTargetPageId="11" captionText="Fig. 4. Live specimen of Macrostomum itai Reyes and Brusa n. sp. (A) Dorsal view of a mature individual. (B) Detail of the anterior body region. (C) Detail of the testes and ovary. (D) A free-swimming specimen. (E) Posterior body region with details of the copulatory organs. (F1–2) Detail of the penis stylet in two different focal planes (black arrowhead indicating the penis stylet opening)." figureDoi="http://doi.org/10.5281/zenodo.12824103" httpUri="https://zenodo.org/record/12824103/files/figure.png" pageId="16" pageNumber="17">4</figureCitation>
). The second group bears five to seven thin fine spines (39.7 μm,
<emphasis id="C1EE6953FFE3987DA1877D38C28BD705" box="[465,478,606,629]" italics="true" pageId="16" pageNumber="17">n</emphasis>
= 7, length) with its distal tip slightly curved outward, located interspersed with the first group of spines and are connected by its base to the distal ring (
<figureCitation id="6BA1A9C4FFE3987DA4457E5BC73DD426" box="[1043,1128,317,342]" captionStart="Fig" captionStartId="16.[174,205,1869,1888]" captionTargetBox="[174,1451,679,1840]" captionTargetId="figure-298@16.[174,1451,679,1840]" captionTargetPageId="16" captionText="Fig. 7. Live specimens of Gieysztoria. (A–C) Gieysztoria evelinae: (A) lateral view of a free-swimming individual, (B) detail of the posterior body region with details of the copulatory organs and (C1–4) detail of the penis stylet in different focal planes. (D–F) Gieysztoria hymanae: (D) dorsal view of a mature individual, (E) posterior body region with details of the copulatory organs and (F1–4) detail of the penis stylet in different focal planes." figureDoi="http://doi.org/10.5281/zenodo.12824109" httpUri="https://zenodo.org/record/12824109/files/figure.png" pageId="16" pageNumber="17">Fig. 7C</figureCitation>
<figureCitation id="6BA1A9C4FFE3987DA43E7E58C7C5D426" box="[1128,1168,318,342]" captionStart-0="Fig" captionStart-1="Fig" captionStartId-0="1.[136,167,1954,1973]" captionStartId-1="4.[174,205,1870,1889]" captionTargetBox-0="[140,1398,1180,1926]" captionTargetBox-1="[174,1451,268,1840]" captionTargetId-0="figure-5@1.[136,1413,1172,1939]" captionTargetId-1="figure-76@4.[174,1451,268,1840]" captionTargetPageId-0="1" captionTargetPageId-1="4" captionText-0="Fig. 1. Maps showing the collection sites in the Taim nature reserve (ESEC Taim), Rio Grande do Sul, Brazil." captionText-1="Fig. 2. Live specimens of Catenulida. (A) Catenula lemnae, chain two zooids. (B–D) Myostenostomum vanderlandi: (B) habitus of whole-mounted individual, (C) detail of the anterior brain lobe and (D) detail of the posterior brain lobe. (E–F) Stenostomum glandulosum: (E) live individual, (F) free-hand schematic representation. (G) Stenostomum grande, a single zooid. (H) Stenostomum paraguayense, intestine with some food items. (I) Stenostomum hemisphericum, free-hand schematic representation." figureDoi-0="http://doi.org/10.5281/zenodo.12824097" figureDoi-1="http://doi.org/10.5281/zenodo.12824099" httpUri-0="https://zenodo.org/record/12824097/files/figure.png" httpUri-1="https://zenodo.org/record/12824099/files/figure.png" pageId="16" pageNumber="17">1–2</figureCitation>
). The female reproductive system is composed of a saccular ovary (113.7 µm long), a seminal receptacle, uterus and a copulatory bursa. Male and female reproductive systems discharge into the common genital pore which is located at the posterior 1/3 of the body.
</paragraph>
<paragraph id="F325B541FFE3987CA3D97E98C21CD705" blockId="16.[850,1452,253,630]" lastBlockId="17.[136,737,253,790]" lastPageId="17" lastPageNumber="18" pageId="16" pageNumber="17">
<emphasis id="C1EE6953FFE3987DA3D97E98C7D1D765" box="[911,1156,509,533]" italics="true" pageId="16" pageNumber="17">Taxonomic remarks</emphasis>
: The above-mentioned features follow descriptions given by
<bibRefCitation id="970BC8B0FFE3987DA5537D78C6FED745" author="Marcus E." box="[1285,1451,541,565]" pageId="16" pageNumber="17" pagination="5 - 254" refId="ref21917" refString="Marcus E. 1946. Sobre Tubellaria Brasileiros. Bol Fac Fil Cienc Letr Univ Sao Paulo Zool 11: 5 - 254." type="journal article" year="1946">Marcus (1946)</bibRefCitation>
and
<bibRefCitation id="970BC8B0FFE3987DA3D47D58C707D726" author="Brusa F &amp; Damborenea C &amp; Norena C." box="[898,1106,573,598]" pageId="16" pageNumber="17" pagination="1 - 16" refId="ref20318" refString="Brusa F, Damborenea C, Norena C. 2008. &quot; Dalyellioida &quot; (Platyhelminthes, Rhabdocoela) from the Rio de la Plata estuary in Argentina, with the description of two new species of Gieysztoria. Zootaxa 1861: 1 - 16. doi: 10.11646 / zootaxa. 1861.1.1." type="journal article" year="2008">Brusa et al. (2008)</bibRefCitation>
. The body length (1700 µm) of the original description (
<bibRefCitation id="970BC8B0FFE3987DA43F7D38C7AAD705" author="Marcus E." box="[1129,1279,605,630]" pageId="16" pageNumber="17" pagination="5 - 254" refId="ref21917" refString="Marcus E. 1946. Sobre Tubellaria Brasileiros. Bol Fac Fil Cienc Letr Univ Sao Paulo Zool 11: 5 - 254." type="journal article" year="1946">Marcus 1946</bibRefCitation>
) is bigger than specimens from the ESEC Taim. Our specimens are bigger than those found in
<collectingCountry id="8B8DF5D1FFE2987CA1957E7BC166D445" box="[451,563,285,309]" name="Argentina" pageId="17" pageNumber="18">Argentina</collectingCountry>
(483–583 µm) (
<bibRefCitation id="970BC8B0FFE2987CA0C67E58C20ED426" author="Brusa F &amp; Damborenea C &amp; Norena C." box="[144,347,317,342]" pageId="17" pageNumber="18" pagination="1 - 16" refId="ref20318" refString="Brusa F, Damborenea C, Norena C. 2008. &quot; Dalyellioida &quot; (Platyhelminthes, Rhabdocoela) from the Rio de la Plata estuary in Argentina, with the description of two new species of Gieysztoria. Zootaxa 1861: 1 - 16. doi: 10.11646 / zootaxa. 1861.1.1." type="journal article" year="2008">Brusa et al. 2008</bibRefCitation>
). However, the total length of the stylet of our findings (72.9 µm) is smaller than those from
<collectingCountry id="8B8DF5D1FFE2987CA0907E1BC261D4E5" box="[198,308,381,405]" name="Argentina" pageId="17" pageNumber="18">Argentina</collectingCountry>
(90–100 µm) (
<bibRefCitation id="970BC8B0FFE2987CA1B47E18C1FDD4E6" author="Brusa F &amp; Damborenea C &amp; Norena C." box="[482,680,381,406]" pageId="17" pageNumber="18" pagination="1 - 16" refId="ref20318" refString="Brusa F, Damborenea C, Norena C. 2008. &quot; Dalyellioida &quot; (Platyhelminthes, Rhabdocoela) from the Rio de la Plata estuary in Argentina, with the description of two new species of Gieysztoria. Zootaxa 1861: 1 - 16. doi: 10.11646 / zootaxa. 1861.1.1." type="journal article" year="2008">Brusa et al. 2008</bibRefCitation>
) and São Paulo (90–100 µm) (
<bibRefCitation id="970BC8B0FFE2987CA1CB7EF8C164D4C5" author="Marcus E." box="[413,561,413,438]" pageId="17" pageNumber="18" pagination="5 - 254" refId="ref21917" refString="Marcus E. 1946. Sobre Tubellaria Brasileiros. Bol Fac Fil Cienc Letr Univ Sao Paulo Zool 11: 5 - 254." type="journal article" year="1946">Marcus 1946</bibRefCitation>
). The same trait is observed when comparing the length of distal spines, which are 50-60 μm and 60 μm for Argentinian and Brazilian specimens, respectively (
<bibRefCitation id="970BC8B0FFE2987CA2427E98C189D766" author="Brusa F &amp; Damborenea C &amp; Norena C." box="[532,732,509,534]" pageId="17" pageNumber="18" pagination="1 - 16" refId="ref20318" refString="Brusa F, Damborenea C, Norena C. 2008. &quot; Dalyellioida &quot; (Platyhelminthes, Rhabdocoela) from the Rio de la Plata estuary in Argentina, with the description of two new species of Gieysztoria. Zootaxa 1861: 1 - 16. doi: 10.11646 / zootaxa. 1861.1.1." type="journal article" year="2008">Brusa et al. 2008</bibRefCitation>
;
<bibRefCitation id="970BC8B0FFE2987CA0DE7D78C249D745" author="Marcus E." box="[136,284,541,565]" pageId="17" pageNumber="18" pagination="5 - 254" refId="ref21917" refString="Marcus E. 1946. Sobre Tubellaria Brasileiros. Bol Fac Fil Cienc Letr Univ Sao Paulo Zool 11: 5 - 254." type="journal article" year="1946">Marcus 1946</bibRefCitation>
). Although stylet dimensions are smaller than those previously described, the stylet configuration remains the same.
</paragraph>
<caption id="A7E5E5C9FFE3987DA0F8782BC3BED2C4" ID-DOI="http://doi.org/10.5281/zenodo.12824109" ID-Zenodo-Dep="12824109" httpUri="https://zenodo.org/record/12824109/files/figure.png" pageId="16" pageNumber="17" startId="16.[174,205,1869,1888]" targetBox="[174,1451,679,1840]" targetPageId="16" targetType="figure">
<paragraph id="F325B541FFE3987DA0F8782BC3BED2C4" blockId="16.[174,1452,1869,1972]" pageId="16" pageNumber="17">
<emphasis id="C1EE6953FFE3987DA0F8782BC3B2D210" bold="true" box="[174,231,1869,1888]" pageId="16" pageNumber="17">Fig. 7.</emphasis>
Live specimens of
<taxonomicName id="349ACEC2FFE3987DA1C1782BC2ACD210" authorityName="Ruebush and Hayes" authorityYear="1939" box="[407,505,1869,1888]" family="Dalyelliidae" genus="Gieysztoria" kingdom="Animalia" order="Rhabdocoela" pageId="16" pageNumber="17" phylum="Platyhelminthes" rank="genus">
<emphasis id="C1EE6953FFE3987DA1C1782BC2ACD210" box="[407,505,1869,1888]" italics="true" pageId="16" pageNumber="17">Gieysztoria</emphasis>
</taxonomicName>
. (A–C)
<taxonomicName id="349ACEC2FFE3987DA214782BC1A4D210" authorityName="Luther" authorityYear="1955" baseAuthorityName="Marcus" baseAuthorityYear="1946" box="[578,753,1869,1888]" family="Dalyelliidae" genus="Gieysztoria" kingdom="Animalia" order="Rhabdocoela" pageId="16" pageNumber="17" phylum="Platyhelminthes" rank="species" species="evelinae">
<emphasis id="C1EE6953FFE3987DA214782BC1A4D210" box="[578,753,1869,1888]" italics="true" pageId="16" pageNumber="17">Gieysztoria evelinae</emphasis>
</taxonomicName>
: (A) lateral view of a free-swimming individual, (B) detail of the posterior body region with details of the copulatory organs and (C1–4) detail of the penis stylet in different focal planes. (D–F)
<taxonomicName id="349ACEC2FFE3987DA4D9780FC610D20C" authorityName="Luther" authorityYear="1955" baseAuthorityName="Marcus" baseAuthorityYear="1946" box="[1167,1349,1897,1916]" family="Dalyelliidae" genus="Gieysztoria" kingdom="Animalia" order="Rhabdocoela" pageId="16" pageNumber="17" phylum="Platyhelminthes" rank="species" species="hymanae">
<emphasis id="C1EE6953FFE3987DA4D9780FC610D20C" box="[1167,1349,1897,1916]" italics="true" pageId="16" pageNumber="17">Gieysztoria hymanae</emphasis>
</taxonomicName>
: (D) dorsal view of a mature individual, (E) posterior body region with details of the copulatory organs and (F1–4) detail of the penis stylet in different focal planes.
</paragraph>
</caption>
<paragraph id="F325B541FFE2987CA0937D1BC25DD666" blockId="17.[136,737,253,790]" pageId="17" pageNumber="18">
<emphasis id="C1EE6953FFE2987CA0937D1BC212D7E5" box="[197,327,637,661]" italics="true" pageId="17" pageNumber="18">Distribution</emphasis>
: The species was previously recorded from
<collectingCountry id="8B8DF5D1FFE2987CA0907DFBC25DD7C5" box="[198,264,669,693]" name="Brazil" pageId="17" pageNumber="18">Brazil</collectingCountry>
(
<collectingRegion id="315E7BA3FFE2987CA14E7DF8C2DED7C5" box="[280,395,669,694]" country="Brazil" name="Sao Paulo" pageId="17" pageNumber="18">São Paulo</collectingRegion>
, Corôa lagoon) (
<bibRefCitation id="970BC8B0FFE2987CA2107DF8C18CD7C5" author="Marcus E." box="[582,729,669,694]" pageId="17" pageNumber="18" pagination="5 - 254" refId="ref21917" refString="Marcus E. 1946. Sobre Tubellaria Brasileiros. Bol Fac Fil Cienc Letr Univ Sao Paulo Zool 11: 5 - 254." type="journal article" year="1946">Marcus 1946</bibRefCitation>
) and
<collectingCountry id="8B8DF5D1FFE2987CA0EE7DDBC273D7A5" box="[184,294,701,725]" name="Argentina" pageId="17" pageNumber="18">Argentina</collectingCountry>
(
<collectingRegion id="315E7BA3FFE2987CA1617DD8C168D7A5" box="[311,573,701,726]" country="Argentina" name="Buenos Aires" pageId="17" pageNumber="18">Buenos Aires province</collectingRegion>
, littoral of the Río de la Plata: Atalaya and La Matilde stream) (
<bibRefCitation id="970BC8B0FFE2987CA2F77DB8C3A8D666" author="Brusa F &amp; Damborenea C &amp; Norena C." pageId="17" pageNumber="18" pagination="1 - 16" refId="ref20318" refString="Brusa F, Damborenea C, Norena C. 2008. &quot; Dalyellioida &quot; (Platyhelminthes, Rhabdocoela) from the Rio de la Plata estuary in Argentina, with the description of two new species of Gieysztoria. Zootaxa 1861: 1 - 16. doi: 10.11646 / zootaxa. 1861.1.1." type="journal article" year="2008">Brusa et al. 2008</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>
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