281 lines
53 KiB
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281 lines
53 KiB
XML
<document id="2C889169E1D4E2C40BCF967BD75130D9" ID-CLB-Dataset="30785" ID-DOI="10.11646/zootaxa.4378.3.2" ID-GBIF-Dataset="acdc458a-c62b-4fad-846b-a52fbd1d7474" ID-ISSN="1175-5326" ID-Zenodo-Dep="1169955" ID-ZooBank="0FC4A657-3F63-4766-8FD7-73CFE48A54B9" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1518181585621" checkinUser="plazi" docAuthor="León, Rodrigo Ponce De & Volonterio, Odile" docDate="2018" docId="03D14A1B4E43CA6105CEFABB2C4CFEEE" docLanguage="en" docName="zootaxa.4378.3.2.pdf" docOrigin="Zootaxa 4378 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Temnocephala gargantua León & Volonterio 2018, sp. nov." docType="treatment" docUuid="494CFC91-8D86-4DC7-96D0-AE799EC0C743" docUuidSource="ZooBank" docVersion="8" lastPageNumber="327" masterDocId="FFE832634E42CA640559FFF92839FFF3" masterDocTitle="A new species of Temnocephala (Platyhelminthes) with an unusual pharynx, including an amendment of the diagnosis of the genus" masterLastPageNumber="336" masterPageNumber="323" pageNumber="324" updateTime="1698520668608" updateUser="ExternalLinkService">
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<mods:title id="DE65C14C62FC95A2A61FDEAEAE169D38">A new species of Temnocephala (Platyhelminthes) with an unusual pharynx, including an amendment of the diagnosis of the genus</mods:title>
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<mods:namePart id="363F486CBD165B8673EA58FD2B2C4258">León, Rodrigo Ponce De</mods:namePart>
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<mods:namePart id="BC2867359C8D377229C5C363047C45B6">Volonterio, Odile</mods:namePart>
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<mods:typeOfResource id="99BAF84798AD09A1F4E0328879817A58">text</mods:typeOfResource>
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<mods:title id="C41C200C14333E8B9693960C9F01F8F8">Zootaxa</mods:title>
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<mods:part id="0E09057B5538A8E0B6565C01380C33FC">
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<mods:date id="B215B2722043BB6B22F57F4D0B4CFD98">2018</mods:date>
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<mods:number id="EB3C508B3AC0E823B192D25D19C6AF03">2018-02-09</mods:number>
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<mods:number id="4CD5B8035419BDDC53251E18F59B56D4">4378</mods:number>
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<mods:identifier id="8DA0D2207A34FF9976D71DFFE62D0CBC" type="DOI">10.11646/zootaxa.4378.3.2</mods:identifier>
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<treatment id="03D14A1B4E43CA6105CEFABB2C4CFEEE" ID-DOI="http://doi.org/10.5281/zenodo.5973313" ID-GBIF-Taxon="140569309" ID-Zenodo-Dep="5973313" LSID="urn:lsid:zoobank.org:act:494CFC91-8D86-4DC7-96D0-AE799EC0C743" httpUri="http://treatment.plazi.org/id/03D14A1B4E43CA6105CEFABB2C4CFEEE" lastPageId="5" lastPageNumber="327" pageId="1" pageNumber="324">
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<subSubSection id="C362A8864E43CA6505CEFABB292BFA8E" pageId="1" pageNumber="324" type="nomenclature">
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<paragraph id="8BC7FB0D4E43CA6505CEFABB2BA0FAAF" blockId="1.[151,921,1346,1405]" box="[151,921,1346,1372]" pageId="1" pageNumber="324">
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<heading id="D08F4C614E43CA6505CEFABB2BA0FAAF" bold="true" box="[151,921,1346,1372]" fontSize="11" level="1" pageId="1" pageNumber="324" reason="1">
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<emphasis id="B90C271F4E43CA6505CEFABB2BA0FAAF" bold="true" box="[151,921,1346,1372]" pageId="1" pageNumber="324">
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<taxonomicName id="4C78808E4E43CA6505CEFABB29F2FAAF" authority="León & Volonterio, 2018" authorityName="León & Volonterio" authorityYear="2018" box="[151,459,1346,1372]" class="Rhabditophora" family="Temnocephalidae" genus="Temnocephala" kingdom="Animalia" order="Rhabdocoela" pageId="1" pageNumber="324" phylum="Platyhelminthes" rank="species" species="gargantua" status="sp. nov.">
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<emphasis id="B90C271F4E43CA6505CEFABB29F2FAAF" bold="true" box="[151,459,1346,1372]" italics="true" pageId="1" pageNumber="324">Temnocephala gargantua</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A23F9A644E43CA65048AFABB2A08FAAF" box="[467,561,1346,1372]" pageId="1" pageNumber="324" rank="species">sp. nov.</taxonomicNameLabel>
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Ponce de León & Volonterio
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BC7FB0D4E43CA6505CEFA9D292BFA8E" blockId="1.[151,921,1346,1405]" box="[151,274,1380,1405]" pageId="1" pageNumber="324">
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(
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<figureCitation id="1343E7884E43CA6505C6FA9D2930FA8E" box="[159,265,1380,1405]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStart-3="FIGURE 4" captionStart-4="FIGURE 5" captionStart-5="FIGURE 6" captionStart-6="FIGURE 7" captionStartId-0="2.[151,249,1332,1354]" captionStartId-1="3.[151,249,1111,1133]" captionStartId-2="3.[151,249,1607,1629]" captionStartId-3="4.[151,249,1615,1637]" captionStartId-4="5.[151,249,1564,1586]" captionStartId-5="6.[151,250,1427,1449]" captionStartId-6="6.[151,250,1982,2004]" captionTargetBox-0="[196,1382,210,1295]" captionTargetBox-1="[463,1137,492,1076]" captionTargetBox-2="[181,1402,1223,1568]" captionTargetBox-3="[152,1435,370,1556]" captionTargetBox-4="[191,1401,331,1542]" captionTargetBox-5="[166,1414,213,1393]" captionTargetBox-6="[269,1303,1627,1945]" captionTargetId-0="figure@2.[179,1407,193,1310]" captionTargetId-1="figure@3.[432,1154,481,1091]" captionTargetId-2="figure@3.[170,1417,1213,1585]" captionTargetId-3="figure@4.[152,1435,337,1594]" captionTargetId-4="figure@5.[184,1408,325,1549]" captionTargetId-5="figure@6.[151,1436,193,1405]" captionTargetId-6="figure@6.[259,1327,1621,1961]" captionTargetPageId-0="2" captionTargetPageId-1="3" captionTargetPageId-2="3" captionTargetPageId-3="4" captionTargetPageId-4="5" captionTargetPageId-5="6" captionTargetPageId-6="6" captionText-0="FIGURE 1. Temnocephala gargantua sp. nov. in ventral view. (a) Holotype, showing Stratiodrilus’ hard parts in the intestine. Scale bar: 400 µm. (b) Diagram of the general organization of the body. Scale bar: 500 µm. Abbreviations: ev, excretory vesicle; hg, Haswell’s glands; ph, pharynx; sg, sucker glands; su, sucker; te, testes; tg, tentacular glands; vi, vitellaria." captionText-1="FIGURE 2. Excretory syncytia of Temnocephala gargantua sp. nov. Abbreviations: ep, excretory pore; es, excretory syncytium." captionText-2="FIGURE 3. Sagittal section of Temnocephala gargantua sp. nov. Scale bar: 300 µm. Abbreviations: at, atrium; gl, glands surrounding the distal portion of the female reproductive system; go, gonopore; in, intestine; mo, mouth; ov, ovary; ph, pharynx; rv, resorbiens vesicle; sp, sphincter; su, sucker; tn, tentacle; vi, vitellaria." captionText-3="FIGURE 4. Sagittal sectionof the pharynx of Temnocephala gargantuasp.nov. Scalebar:100 µm.Abbreviations:as, anterior sphincter; cm, circular musculature; ep, epidermis; lm, longitudinal musculature; mo, mouth; ps, posterior sphincter." captionText-4="FIGURE 5. Histological details of the pharynx and oesophagus of Temnocephala gargantua sp. nov. (a) Anterior sphincter. Scalebar:50 µm.(b) Posteriorsphincter.Scale bar:50 µm.(c) Inner circular musculature or the pharynx.Scalebar:50 µm.(d) Cell with clear cytoplasm among radial muscle fibers. Scale bar: 20 µm. (e) Cell with dark cytoplasm among radial muscle fibers.Scale bar: 20 µm. (f) Circular muscle fibers surrounding the oesophagus. Scale bar: 30 µm. Abbreviations: cm, circular musle fibers; ep, epidermis; in, intestine;oe, oesophagus." captionText-5="FIGURE 6. Reproductive complex of Temnocephala gargantua sp. nov. (a) Reconstruction of the whole complex from a dissection. Scale bar: 100 µm. (b) Reconstruction of the female reproductive complex based on serial sagittal sections. Scale bar:100 µm.(c) Detail ofthe sphincterin the femalereproductive complex.The asterisk marks thethinner sideof the sphincter. Scale bar: 30 µm. Abbreviations: at, atrium; cv, contractile vesicle; go, gonopore; ov, ovary; ps, penial stylet; rv, resorbiens vesicle; sp, sphincter; sr, seminal receptacle; sv, seminal vesicle; vd, vitelline duct; vg, vagina." captionText-6="FIGURE 7. Penial stylet of of Temnocephala gargantua sp. nov. (a) Whole stylet. Scale bar: 50 µm. (b) Introvert. Scale bar: 15 µm." httpUri-0="https://zenodo.org/record/1169957/files/figure.png" httpUri-1="https://zenodo.org/record/1169959/files/figure.png" httpUri-2="https://zenodo.org/record/1169961/files/figure.png" httpUri-3="https://zenodo.org/record/1169963/files/figure.png" httpUri-4="https://zenodo.org/record/1169965/files/figure.png" httpUri-5="https://zenodo.org/record/1169967/files/figure.png" httpUri-6="https://zenodo.org/record/1169969/files/figure.png" pageId="1" pageNumber="324">Figs. 1–7</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C362A8864E43CA6505CEFA552B23F98A" pageId="1" pageNumber="324" type="diagnosis">
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<paragraph id="8BC7FB0D4E43CA6505CEFA552B23F98A" blockId="1.[151,1437,1452,2017]" pageId="1" pageNumber="324">
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<emphasis id="B90C271F4E43CA6505CEFA552928FA36" bold="true" box="[151,273,1452,1477]" pageId="1" pageNumber="324">Diagnosis.</emphasis>
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<taxonomicName id="4C78808E4E43CA650441FA552A0FFA37" authority="León & Volonterio, 2018" authorityName="León & Volonterio" authorityYear="2018" box="[280,566,1452,1477]" class="Rhabditophora" family="Temnocephalidae" genus="Temnocephala" kingdom="Animalia" order="Rhabdocoela" pageId="1" pageNumber="324" phylum="Platyhelminthes" rank="species" species="gargantua" status="sp. nov.">
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<emphasis id="B90C271F4E43CA650441FA552A0FFA37" box="[280,566,1452,1477]" italics="true" pageId="1" pageNumber="324">Temnocephala gargantua</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A23F9A644E43CA650764FA552AAFFA37" box="[573,662,1452,1477]" pageId="1" pageNumber="324" rank="species">
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<emphasis id="B90C271F4E43CA650764FA552AA9FA36" bold="true" box="[573,656,1452,1477]" pageId="1" pageNumber="324">sp. nov</emphasis>
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.
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</taxonomicNameLabel>
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is characterized by having a slightly curved penial stylet (225 µm in length) with a symmetrical introvert (27 long by 18 µm in diameter) that has at least 44 spine-like projections, each bearing 7 rows of internal spines; a seminal vesicle that opens sub-polarly into the contractile vesicle; a muscular vagina with a strong asymmetrical sphincter; preequatorial nephridiopores close to the internal borders of the elongate-oval excretory syncytia; a large pharynx with anterior and posterior sphincters of about the same diameter and a narrow pharyngeal lumen, nearly uniform in width.
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</paragraph>
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</subSubSection>
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<subSubSection id="C362A8864E43CA61059EF97D2C4CFEEE" lastPageId="5" lastPageNumber="328" pageId="1" pageNumber="324" type="description">
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<paragraph id="8BC7FB0D4E43CA65059EF97D2961F812" blockId="1.[151,1437,1452,2017]" pageId="1" pageNumber="324">
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<emphasis id="B90C271F4E43CA65059EF97D2960F96E" bold="true" box="[199,345,1668,1693]" pageId="1" pageNumber="324">Description.</emphasis>
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Temnocephalan of large size; elliptic body, with maximum width at the level of the space between anterior and posterior testes (
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<figureCitation id="1343E7884E43CA65071EF9512AB3F932" box="[583,650,1704,1729]" captionStart="FIGURE 1" captionStartId="2.[151,249,1332,1354]" captionTargetBox="[196,1382,210,1295]" captionTargetId="figure@2.[179,1407,193,1310]" captionTargetPageId="2" captionText="FIGURE 1. Temnocephala gargantua sp. nov. in ventral view. (a) Holotype, showing Stratiodrilus’ hard parts in the intestine. Scale bar: 400 µm. (b) Diagram of the general organization of the body. Scale bar: 500 µm. Abbreviations: ev, excretory vesicle; hg, Haswell’s glands; ph, pharynx; sg, sucker glands; su, sucker; te, testes; tg, tentacular glands; vi, vitellaria." httpUri="https://zenodo.org/record/1169957/files/figure.png" pageId="1" pageNumber="324">Fig. 1</figureCitation>
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). Body without tentacles 2166.7 to 4074.1 (2925.9; 612.76; 10) long by 1148.1–1833.3 (1514.8; 259.81; 10) wide. Sucker subterminal, 518.5–907.4 (670.4; 117.70; 10) in diameter. Peduncle generally with an oblique, ventro-caudal orientation. Ratio body length without tentacles to sucker length 1:0.18–0.35 (mean 1:0.24). Sucker glands anterior to sucker peduncle, scattered between, and posterior to, posterior testes (
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<figureCitation id="1343E7884E43CA650417F8C129B6F8A2" box="[334,399,1848,1873]" captionStart="FIGURE 1" captionStartId="2.[151,249,1332,1354]" captionTargetBox="[196,1382,210,1295]" captionTargetId="figure@2.[179,1407,193,1310]" captionTargetPageId="2" captionText="FIGURE 1. Temnocephala gargantua sp. nov. in ventral view. (a) Holotype, showing Stratiodrilus’ hard parts in the intestine. Scale bar: 400 µm. (b) Diagram of the general organization of the body. Scale bar: 500 µm. Abbreviations: ev, excretory vesicle; hg, Haswell’s glands; ph, pharynx; sg, sucker glands; su, sucker; te, testes; tg, tentacular glands; vi, vitellaria." httpUri="https://zenodo.org/record/1169957/files/figure.png" pageId="1" pageNumber="324">Fig. 1</figureCitation>
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). Epidermis with elongate-oval excretory syncytia, extending from the base of the outermost tentacles to the level of the anterior portion of the intestine (
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<figureCitation id="1343E7884E43CA650622F8A52BFFF886" box="[891,966,1884,1909]" captionStart="FIGURE 2" captionStartId="3.[151,249,1111,1133]" captionTargetBox="[463,1137,492,1076]" captionTargetId="figure@3.[432,1154,481,1091]" captionTargetPageId="3" captionText="FIGURE 2. Excretory syncytia of Temnocephala gargantua sp. nov. Abbreviations: ep, excretory pore; es, excretory syncytium." httpUri="https://zenodo.org/record/1169959/files/figure.png" pageId="1" pageNumber="324">Fig. 2</figureCitation>
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). Excretory vesicles lateral to pharynx; nephridiopores dorsal, close to internal border of excretory syncytia and preequatorial respect to them (
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<figureCitation id="1343E7884E43CA650078F8792D56F86A" box="[1313,1391,1920,1945]" captionStart="FIGURE 1" captionStartId="2.[151,249,1332,1354]" captionTargetBox="[196,1382,210,1295]" captionTargetId="figure@2.[179,1407,193,1310]" captionTargetPageId="2" captionText="FIGURE 1. Temnocephala gargantua sp. nov. in ventral view. (a) Holotype, showing Stratiodrilus’ hard parts in the intestine. Scale bar: 400 µm. (b) Diagram of the general organization of the body. Scale bar: 500 µm. Abbreviations: ev, excretory vesicle; hg, Haswell’s glands; ph, pharynx; sg, sucker glands; su, sucker; te, testes; tg, tentacular glands; vi, vitellaria." httpUri="https://zenodo.org/record/1169957/files/figure.png" pageId="1" pageNumber="324">Figs. 1</figureCitation>
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,
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<figureCitation id="1343E7884E43CA650027F8782DB6F86A" box="[1406,1423,1921,1945]" captionStart="FIGURE 2" captionStartId="3.[151,249,1111,1133]" captionTargetBox="[463,1137,492,1076]" captionTargetId="figure@3.[432,1154,481,1091]" captionTargetPageId="3" captionText="FIGURE 2. Excretory syncytia of Temnocephala gargantua sp. nov. Abbreviations: ep, excretory pore; es, excretory syncytium." httpUri="https://zenodo.org/record/1169959/files/figure.png" pageId="1" pageNumber="324">2</figureCitation>
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). Haswell glands conspicuous, anterior to pharynx (
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<figureCitation id="1343E7884E43CA6507B9F85D2B1FF84E" box="[736,806,1956,1981]" captionStart="FIGURE 1" captionStartId="2.[151,249,1332,1354]" captionTargetBox="[196,1382,210,1295]" captionTargetId="figure@2.[179,1407,193,1310]" captionTargetPageId="2" captionText="FIGURE 1. Temnocephala gargantua sp. nov. in ventral view. (a) Holotype, showing Stratiodrilus’ hard parts in the intestine. Scale bar: 400 µm. (b) Diagram of the general organization of the body. Scale bar: 500 µm. Abbreviations: ev, excretory vesicle; hg, Haswell’s glands; ph, pharynx; sg, sucker glands; su, sucker; te, testes; tg, tentacular glands; vi, vitellaria." httpUri="https://zenodo.org/record/1169957/files/figure.png" pageId="1" pageNumber="324">Fig. 1</figureCitation>
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). Abundant tentacular glands, situated laterally to the intestine (
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<figureCitation id="1343E7884E43CA65045CF831297FF812" box="[261,326,1992,2017]" captionStart="FIGURE 1" captionStartId="2.[151,249,1332,1354]" captionTargetBox="[196,1382,210,1295]" captionTargetId="figure@2.[179,1407,193,1310]" captionTargetPageId="2" captionText="FIGURE 1. Temnocephala gargantua sp. nov. in ventral view. (a) Holotype, showing Stratiodrilus’ hard parts in the intestine. Scale bar: 400 µm. (b) Diagram of the general organization of the body. Scale bar: 500 µm. Abbreviations: ev, excretory vesicle; hg, Haswell’s glands; ph, pharynx; sg, sucker glands; su, sucker; te, testes; tg, tentacular glands; vi, vitellaria." httpUri="https://zenodo.org/record/1169957/files/figure.png" pageId="1" pageNumber="324">Fig. 1</figureCitation>
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).
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</paragraph>
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<caption id="DF07AB854E40CA6605CEFACD2D7FFA74" httpUri="https://zenodo.org/record/1169957/files/figure.png" pageId="2" pageNumber="325" startId="2.[151,249,1332,1354]" targetBox="[196,1382,210,1295]" targetPageId="2">
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<paragraph id="8BC7FB0D4E40CA6605CEFACD2D7FFA74" blockId="2.[151,1437,1332,1415]" pageId="2" pageNumber="325">
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<emphasis id="B90C271F4E40CA6605CEFACD292BFAB9" bold="true" box="[151,274,1332,1354]" pageId="2" pageNumber="325">FIGURE 1.</emphasis>
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<taxonomicName id="4C78808E4E40CA660440FACD2A22FAB9" authority="León & Volonterio, 2018" authorityName="León & Volonterio" authorityYear="2018" box="[281,539,1332,1354]" class="Rhabditophora" family="Temnocephalidae" genus="Temnocephala" kingdom="Animalia" order="Rhabdocoela" pageId="2" pageNumber="325" phylum="Platyhelminthes" rank="species" species="gargantua" status="sp. nov.">
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<emphasis id="B90C271F4E40CA660440FACD2A22FAB9" box="[281,539,1332,1354]" italics="true" pageId="2" pageNumber="325">Temnocephala gargantua</emphasis>
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</taxonomicName>
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|
||
<emphasis id="B90C271F4E40CA660778FACD2A48FAB9" bold="true" box="[545,625,1332,1354]" pageId="2" pageNumber="325">sp. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
in ventral view. (
|
||
<emphasis id="B90C271F4E40CA66067DFACD2B09FAB9" bold="true" box="[804,816,1332,1354]" pageId="2" pageNumber="325">a</emphasis>
|
||
) Holotype, showing
|
||
<emphasis id="B90C271F4E40CA66015EFACD2CB7FAB9" box="[1031,1166,1332,1354]" italics="true" pageId="2" pageNumber="325">Stratiodrilus’</emphasis>
|
||
hard parts in the intestine. Scale bar: 400 µm. (
|
||
<emphasis id="B90C271F4E40CA66042BFAAA29B9FA9A" bold="true" box="[370,384,1363,1385]" pageId="2" pageNumber="325">b</emphasis>
|
||
) Diagram of the general organization of the body. Scale bar: 500 µm. Abbreviations:
|
||
<emphasis id="B90C271F4E40CA66004FFAAA2D15FA9A" bold="true" box="[1302,1324,1363,1385]" pageId="2" pageNumber="325">ev</emphasis>
|
||
, excretory vesicle;
|
||
<emphasis id="B90C271F4E40CA6605B2FA88293FFA74" bold="true" box="[235,262,1393,1415]" pageId="2" pageNumber="325">hg</emphasis>
|
||
, Haswell’s glands;
|
||
<emphasis id="B90C271F4E40CA660495FA8829D1FA74" bold="true" box="[460,488,1393,1415]" pageId="2" pageNumber="325">ph</emphasis>
|
||
, pharynx;
|
||
<emphasis id="B90C271F4E40CA66070DFA882A53FA74" bold="true" box="[596,618,1393,1415]" pageId="2" pageNumber="325">sg</emphasis>
|
||
, sucker glands;
|
||
<emphasis id="B90C271F4E40CA660656FA882B1EFA74" bold="true" box="[783,807,1393,1415]" pageId="2" pageNumber="325">su</emphasis>
|
||
, sucker;
|
||
<emphasis id="B90C271F4E40CA6606DDFA882BA1FA74" bold="true" box="[900,920,1393,1415]" pageId="2" pageNumber="325">te</emphasis>
|
||
, testes;
|
||
<emphasis id="B90C271F4E40CA6606B0FA882BC7FA74" bold="true" box="[1001,1022,1393,1415]" pageId="2" pageNumber="325">tg</emphasis>
|
||
, tentacular glands;
|
||
<emphasis id="B90C271F4E40CA66019CFA882CE0FA74" bold="true" box="[1221,1241,1393,1415]" pageId="2" pageNumber="325">vi</emphasis>
|
||
, vitellaria.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BC7FB0D4E40CA67059EFA492B7FFE5E" blockId="2.[151,1437,1454,2019]" lastBlockId="3.[151,1436,151,429]" lastPageId="3" lastPageNumber="326" pageId="2" pageNumber="325">
|
||
Large, elliptical pharynx, of about the same size as the intestine (
|
||
<figureCitation id="1343E7884E40CA6606FEFA572BD5FA34" box="[935,1004,1454,1479]" captionStart="FIGURE 3" captionStartId="3.[151,249,1607,1629]" captionTargetBox="[181,1402,1223,1568]" captionTargetId="figure@3.[170,1417,1213,1585]" captionTargetPageId="3" captionText="FIGURE 3. Sagittal section of Temnocephala gargantua sp. nov. Scale bar: 300 µm. Abbreviations: at, atrium; gl, glands surrounding the distal portion of the female reproductive system; go, gonopore; in, intestine; mo, mouth; ov, ovary; ph, pharynx; rv, resorbiens vesicle; sp, sphincter; su, sucker; tn, tentacle; vi, vitellaria." httpUri="https://zenodo.org/record/1169961/files/figure.png" pageId="2" pageNumber="325">Fig. 3</figureCitation>
|
||
), 444.4–759.3 (606.3; 84.31; 10) long by 481.5–851.9 (690.7; 120.68; 10) wide. Pharynx wall 192.9–202.1 (197.5; 2) maximum width. Anterior sphincter of about the same diameter as, but more flattened than, the posterior one (
|
||
<figureCitation id="1343E7884E40CA660116FA0F2C98F9FC" box="[1103,1185,1526,1551]" captionStart="FIGURE 4" captionStartId="4.[151,249,1615,1637]" captionTargetBox="[152,1435,370,1556]" captionTargetId="figure@4.[152,1435,337,1594]" captionTargetPageId="4" captionText="FIGURE 4. Sagittal sectionof the pharynx of Temnocephala gargantuasp.nov. Scalebar:100 µm.Abbreviations:as, anterior sphincter; cm, circular musculature; ep, epidermis; lm, longitudinal musculature; mo, mouth; ps, posterior sphincter." httpUri="https://zenodo.org/record/1169963/files/figure.png" pageId="2" pageNumber="325">Figs. 4</figureCitation>
|
||
; 5A,B); section of the muscle bundle 107.1 measured radially and 44.3 measured anteroposteriorly. Section of the muscle bundle of the posterior sphincter 115.7 measured radially and 101.4 measured anteroposteriorly. The external circular musculature is a monolayer of fibers with a height of 0.7 at the level of the anterior sphincter. Posteriorly to this level the layer abruptly acquires a height of 5 and at the level of the posterior sphincter it decreases gradually to 1.8. This monolayer seems to be confluent with a small bundle of circular muscle fibers that is situated at the base of the pharynx, seemingly surrounding the entrance to the esophagus (
|
||
<figureCitation id="1343E7884E40CA6606C9F9372BD7F914" box="[912,1006,1742,1767]" captionStart="FIGURE 5" captionStartId="5.[151,249,1564,1586]" captionTargetBox="[191,1401,331,1542]" captionTargetId="figure@5.[184,1408,325,1549]" captionTargetPageId="5" captionText="FIGURE 5. Histological details of the pharynx and oesophagus of Temnocephala gargantua sp. nov. (a) Anterior sphincter. Scalebar:50 µm.(b) Posteriorsphincter.Scale bar:50 µm.(c) Inner circular musculature or the pharynx.Scalebar:50 µm.(d) Cell with clear cytoplasm among radial muscle fibers. Scale bar: 20 µm. (e) Cell with dark cytoplasm among radial muscle fibers.Scale bar: 20 µm. (f) Circular muscle fibers surrounding the oesophagus. Scale bar: 30 µm. Abbreviations: cm, circular musle fibers; ep, epidermis; in, intestine;oe, oesophagus." httpUri="https://zenodo.org/record/1169965/files/figure.png" pageId="2" pageNumber="325">Fig. 5B</figureCitation>
|
||
). External longitudinal muscle layer roughly homogeneous in height (14.3). The internal longitudinal fibers arise and end in the pharyngeal sphincters, giving a layer of about
|
||
<quantity id="4C8056E84E40CA6604F6F8EF2A38F8DC" box="[431,513,1814,1839]" metricMagnitude="-1" metricUnit="m" metricValue="7.2644" pageId="2" pageNumber="325" unit="in" value="28.6">28.6 in</quantity>
|
||
height. The internal layer of circular muscles extends between both sphincters without overlapping with them; it is composed by a monolayer of high fibers (
|
||
<figureCitation id="1343E7884E40CA66014FF8C32C54F8A0" box="[1046,1133,1850,1875]" captionStart="FIGURE 5" captionStartId="5.[151,249,1564,1586]" captionTargetBox="[191,1401,331,1542]" captionTargetId="figure@5.[184,1408,325,1549]" captionTargetPageId="5" captionText="FIGURE 5. Histological details of the pharynx and oesophagus of Temnocephala gargantua sp. nov. (a) Anterior sphincter. Scalebar:50 µm.(b) Posteriorsphincter.Scale bar:50 µm.(c) Inner circular musculature or the pharynx.Scalebar:50 µm.(d) Cell with clear cytoplasm among radial muscle fibers. Scale bar: 20 µm. (e) Cell with dark cytoplasm among radial muscle fibers.Scale bar: 20 µm. (f) Circular muscle fibers surrounding the oesophagus. Scale bar: 30 µm. Abbreviations: cm, circular musle fibers; ep, epidermis; in, intestine;oe, oesophagus." httpUri="https://zenodo.org/record/1169965/files/figure.png" pageId="2" pageNumber="325">Fig. 5C</figureCitation>
|
||
) whose sections measured radially are
|
||
<quantity id="4C8056E84E40CA66047BF8A6295DF884" box="[290,356,1886,1911]" metricMagnitude="-1" metricUnit="m" metricValue="2.3622" pageId="2" pageNumber="325" unit="in" value="9.3">9.3 in</quantity>
|
||
the anterior region,
|
||
<quantity id="4C8056E84E40CA66070BF8A72A9AF884" box="[594,675,1886,1911]" metricMagnitude="-1" metricUnit="m" metricValue="8.254999999999999" pageId="2" pageNumber="325" unit="in" value="32.5">32.5 in</quantity>
|
||
the median region and
|
||
<quantity id="4C8056E84E40CA6606EEF8A72BC0F884" box="[951,1017,1886,1911]" metricMagnitude="-1" metricUnit="m" metricValue="1.6256" pageId="2" pageNumber="325" unit="in" value="6.4">6.4 in</quantity>
|
||
the posterior region of the pharynx. Besides the circular and longitudinal muscle fibers, abundant radial fibers were seen (
|
||
<figureCitation id="1343E7884E40CA66012DF87B2C85F868" box="[1140,1212,1922,1947]" captionStart="FIGURE 4" captionStartId="4.[151,249,1615,1637]" captionTargetBox="[152,1435,370,1556]" captionTargetId="figure@4.[152,1435,337,1594]" captionTargetPageId="4" captionText="FIGURE 4. Sagittal sectionof the pharynx of Temnocephala gargantuasp.nov. Scalebar:100 µm.Abbreviations:as, anterior sphincter; cm, circular musculature; ep, epidermis; lm, longitudinal musculature; mo, mouth; ps, posterior sphincter." httpUri="https://zenodo.org/record/1169963/files/figure.png" pageId="2" pageNumber="325">Fig. 4</figureCitation>
|
||
). Among the radial muscle fibers between the sphincters, at least 2 different
|
||
<typeStatus id="54C345AF4E40CA660669F8512B52F833" box="[816,875,1960,1984]" pageId="2" pageNumber="325">types</typeStatus>
|
||
of cells were observed, the first
|
||
<typeStatus id="54C345AF4E40CA6601B6F8512D26F833" box="[1263,1311,1960,1984]" pageId="2" pageNumber="325">type</typeStatus>
|
||
with clear cytoplasm and abundant extensions toward the surrounding tissues, and the second
|
||
<typeStatus id="54C345AF4E40CA660125F8322C95F810" box="[1148,1196,1995,2019]" pageId="2" pageNumber="325">type</typeStatus>
|
||
with abundant dark granules in the more dense cytoplasm, and fewer extensions (
|
||
<figureCitation id="1343E7884E41CA670616FF6E2B99FF43" box="[847,928,151,176]" captionStart="FIGURE 4" captionStartId="4.[151,249,1615,1637]" captionTargetBox="[152,1435,370,1556]" captionTargetId="figure@4.[152,1435,337,1594]" captionTargetPageId="4" captionText="FIGURE 4. Sagittal sectionof the pharynx of Temnocephala gargantuasp.nov. Scalebar:100 µm.Abbreviations:as, anterior sphincter; cm, circular musculature; ep, epidermis; lm, longitudinal musculature; mo, mouth; ps, posterior sphincter." httpUri="https://zenodo.org/record/1169963/files/figure.png" pageId="3" pageNumber="326">Figs. 4</figureCitation>
|
||
,
|
||
<figureCitation id="1343E7884E41CA6706F4FF6E2BD3FF43" box="[941,1002,151,176]" captionStart="FIGURE 5" captionStartId="5.[151,249,1564,1586]" captionTargetBox="[191,1401,331,1542]" captionTargetId="figure@5.[184,1408,325,1549]" captionTargetPageId="5" captionText="FIGURE 5. Histological details of the pharynx and oesophagus of Temnocephala gargantua sp. nov. (a) Anterior sphincter. Scalebar:50 µm.(b) Posteriorsphincter.Scale bar:50 µm.(c) Inner circular musculature or the pharynx.Scalebar:50 µm.(d) Cell with clear cytoplasm among radial muscle fibers. Scale bar: 20 µm. (e) Cell with dark cytoplasm among radial muscle fibers.Scale bar: 20 µm. (f) Circular muscle fibers surrounding the oesophagus. Scale bar: 30 µm. Abbreviations: cm, circular musle fibers; ep, epidermis; in, intestine;oe, oesophagus." httpUri="https://zenodo.org/record/1169965/files/figure.png" pageId="3" pageNumber="326">5D,E</figureCitation>
|
||
). The pharyngeal epithelium is a wide layer of fibrous aspect, deeply staining dark-blue with Heidenhain’s haematoxylin (
|
||
<figureCitation id="1343E7884E41CA67010AFF452C9DFF27" box="[1107,1188,188,213]" captionStart="FIGURE 4" captionStartId="4.[151,249,1615,1637]" captionTargetBox="[152,1435,370,1556]" captionTargetId="figure@4.[152,1435,337,1594]" captionTargetPageId="4" captionText="FIGURE 4. Sagittal sectionof the pharynx of Temnocephala gargantuasp.nov. Scalebar:100 µm.Abbreviations:as, anterior sphincter; cm, circular musculature; ep, epidermis; lm, longitudinal musculature; mo, mouth; ps, posterior sphincter." httpUri="https://zenodo.org/record/1169963/files/figure.png" pageId="3" pageNumber="326">Figs. 4</figureCitation>
|
||
,
|
||
<figureCitation id="1343E7884E41CA6701EBFF452CEEFF26" box="[1202,1239,188,213]" captionStart="FIGURE 5" captionStartId="5.[151,249,1564,1586]" captionTargetBox="[191,1401,331,1542]" captionTargetId="figure@5.[184,1408,325,1549]" captionTargetPageId="5" captionText="FIGURE 5. Histological details of the pharynx and oesophagus of Temnocephala gargantua sp. nov. (a) Anterior sphincter. Scalebar:50 µm.(b) Posteriorsphincter.Scale bar:50 µm.(c) Inner circular musculature or the pharynx.Scalebar:50 µm.(d) Cell with clear cytoplasm among radial muscle fibers. Scale bar: 20 µm. (e) Cell with dark cytoplasm among radial muscle fibers.Scale bar: 20 µm. (f) Circular muscle fibers surrounding the oesophagus. Scale bar: 30 µm. Abbreviations: cm, circular musle fibers; ep, epidermis; in, intestine;oe, oesophagus." httpUri="https://zenodo.org/record/1169965/files/figure.png" pageId="3" pageNumber="326">5C</figureCitation>
|
||
). No nuclei were seen at this level; these are placed outside of the pharynx as cytons. The height of the epithelial layer is 2.4 anteriorly, 6.4–11.5 (8.3; 2) medially and 3.1 posteriorly. Pharyngeal lumen narrow and nearly uniform in width (
|
||
<figureCitation id="1343E7884E41CA6705C6FEDE28DDFEB3" box="[159,228,295,320]" captionStart="FIGURE 4" captionStartId="4.[151,249,1615,1637]" captionTargetBox="[152,1435,370,1556]" captionTargetId="figure@4.[152,1435,337,1594]" captionTargetPageId="4" captionText="FIGURE 4. Sagittal sectionof the pharynx of Temnocephala gargantuasp.nov. Scalebar:100 µm.Abbreviations:as, anterior sphincter; cm, circular musculature; ep, epidermis; lm, longitudinal musculature; mo, mouth; ps, posterior sphincter." httpUri="https://zenodo.org/record/1169963/files/figure.png" pageId="3" pageNumber="326">Fig. 4</figureCitation>
|
||
). Short esophagus surrounded by a layer of circular muscle fibers resembling a sphincter (
|
||
<figureCitation id="1343E7884E41CA67018AFEDE2D11FEB3" box="[1235,1320,295,320]" captionStart="FIGURE 5" captionStartId="5.[151,249,1564,1586]" captionTargetBox="[191,1401,331,1542]" captionTargetId="figure@5.[184,1408,325,1549]" captionTargetPageId="5" captionText="FIGURE 5. Histological details of the pharynx and oesophagus of Temnocephala gargantua sp. nov. (a) Anterior sphincter. Scalebar:50 µm.(b) Posteriorsphincter.Scale bar:50 µm.(c) Inner circular musculature or the pharynx.Scalebar:50 µm.(d) Cell with clear cytoplasm among radial muscle fibers. Scale bar: 20 µm. (e) Cell with dark cytoplasm among radial muscle fibers.Scale bar: 20 µm. (f) Circular muscle fibers surrounding the oesophagus. Scale bar: 30 µm. Abbreviations: cm, circular musle fibers; ep, epidermis; in, intestine;oe, oesophagus." httpUri="https://zenodo.org/record/1169965/files/figure.png" pageId="3" pageNumber="326">Fig. 5F</figureCitation>
|
||
). Intestine longer than wide, with a slight central constriction and conspicuous septa. The posterior end of the intestinal sac reaches the level of the posterior testes; ratio body length without tentacles to distance between the posterior end of the intestine and base of tentacles 1:0.58–0.72 (mean 1:0.65).
|
||
</paragraph>
|
||
<caption id="DF07AB854E41CA6705CEFBAE2931FB7F" httpUri="https://zenodo.org/record/1169959/files/figure.png" pageId="3" pageNumber="326" startId="3.[151,249,1111,1133]" targetBox="[463,1137,492,1076]" targetPageId="3">
|
||
<paragraph id="8BC7FB0D4E41CA6705CEFBAE2931FB7F" blockId="3.[151,1436,1111,1164]" pageId="3" pageNumber="326">
|
||
<emphasis id="B90C271F4E41CA6705CEFBAE2920FB9E" bold="true" box="[151,281,1111,1133]" pageId="3" pageNumber="326">FIGURE 2.</emphasis>
|
||
Excretory syncytia of
|
||
<taxonomicName id="4C78808E4E41CA670742FBAE2B1DFB9E" authority="León & Volonterio, 2018" authorityName="León & Volonterio" authorityYear="2018" box="[539,804,1111,1133]" class="Rhabditophora" family="Temnocephalidae" genus="Temnocephala" kingdom="Animalia" order="Rhabdocoela" pageId="3" pageNumber="326" phylum="Platyhelminthes" rank="species" species="gargantua" status="sp. nov.">
|
||
<emphasis id="B90C271F4E41CA670742FBAE2B1DFB9E" box="[539,804,1111,1133]" italics="true" pageId="3" pageNumber="326">Temnocephala gargantua</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23F9A644E41CA670668FBAE2BB1FB9E" box="[817,904,1111,1133]" pageId="3" pageNumber="326" rank="species">
|
||
<emphasis id="B90C271F4E41CA670668FBAE2BB1FB9E" bold="true" box="[817,904,1111,1133]" pageId="3" pageNumber="326">sp. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
Abbreviations: ep, excretory pore; es, excretory syncytium.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF07AB854E41CA6705CEF9BE2BD9F969" httpUri="https://zenodo.org/record/1169961/files/figure.png" pageId="3" pageNumber="326" startId="3.[151,249,1607,1629]" targetBox="[181,1402,1223,1568]" targetPageId="3">
|
||
<paragraph id="8BC7FB0D4E41CA6705CEF9BE2BD9F969" blockId="3.[151,1436,1607,1690]" pageId="3" pageNumber="326">
|
||
<emphasis id="B90C271F4E41CA6705CEF9BE292CF9AE" bold="true" box="[151,277,1607,1629]" pageId="3" pageNumber="326">FIGURE 3.</emphasis>
|
||
Sagittal section of
|
||
<taxonomicName id="4C78808E4E41CA6704BDF9BE2AD0F9AE" authority="León & Volonterio, 2018" authorityName="León & Volonterio" authorityYear="2018" box="[484,745,1607,1629]" class="Rhabditophora" family="Temnocephalidae" genus="Temnocephala" kingdom="Animalia" order="Rhabdocoela" pageId="3" pageNumber="326" phylum="Platyhelminthes" rank="species" species="gargantua" status="sp. nov.">
|
||
<emphasis id="B90C271F4E41CA6704BDF9BE2AD0F9AE" box="[484,745,1607,1629]" italics="true" pageId="3" pageNumber="326">Temnocephala gargantua</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23F9A644E41CA6707ABF9BE2B7CF9AE" box="[754,837,1607,1629]" pageId="3" pageNumber="326" rank="species">
|
||
<emphasis id="B90C271F4E41CA6707ABF9BE2B7CF9AE" bold="true" box="[754,837,1607,1629]" pageId="3" pageNumber="326">sp. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
Scale bar: 300 µm. Abbreviations:
|
||
<emphasis id="B90C271F4E41CA6701E6F9BE2CEDF9AE" bold="true" box="[1215,1236,1607,1629]" pageId="3" pageNumber="326">at</emphasis>
|
||
, atrium;
|
||
<emphasis id="B90C271F4E41CA67006FF9BE2D73F9AE" bold="true" box="[1334,1354,1607,1629]" pageId="3" pageNumber="326">gl</emphasis>
|
||
, glands surrounding the distal portion of the female reproductive system;
|
||
<emphasis id="B90C271F4E41CA67060EF99F2B49F98F" bold="true" box="[855,880,1638,1660]" pageId="3" pageNumber="326">go</emphasis>
|
||
, gonopore;
|
||
<emphasis id="B90C271F4E41CA6706ABF99F2C3EF98F" bold="true" box="[1010,1031,1638,1660]" pageId="3" pageNumber="326">in</emphasis>
|
||
, intestine;
|
||
<emphasis id="B90C271F4E41CA6701D9F99F2C9BF98F" bold="true" box="[1152,1186,1638,1660]" pageId="3" pageNumber="326">mo</emphasis>
|
||
, mouth;
|
||
<emphasis id="B90C271F4E41CA67005CF99F2D24F98F" bold="true" box="[1285,1309,1638,1660]" pageId="3" pageNumber="326">ov</emphasis>
|
||
, ovary;
|
||
<emphasis id="B90C271F4E41CA670020F99F2DACF98F" bold="true" box="[1401,1429,1638,1660]" pageId="3" pageNumber="326">ph</emphasis>
|
||
, pharynx;
|
||
<emphasis id="B90C271F4E41CA6705AEF97D2934F969" bold="true" box="[247,269,1668,1690]" pageId="3" pageNumber="326">rv</emphasis>
|
||
, resorbiens vesicle;
|
||
<emphasis id="B90C271F4E41CA670485F97D29CDF969" bold="true" box="[476,500,1668,1690]" pageId="3" pageNumber="326">sp</emphasis>
|
||
, sphincter;
|
||
<emphasis id="B90C271F4E41CA670732F97D2ABBF969" bold="true" box="[619,642,1668,1690]" pageId="3" pageNumber="326">su</emphasis>
|
||
, sucker;
|
||
<emphasis id="B90C271F4E41CA670786F97D2ACCF969" bold="true" box="[735,757,1668,1690]" pageId="3" pageNumber="326">tn</emphasis>
|
||
, tentacle;
|
||
<emphasis id="B90C271F4E41CA670607F97D2B4BF969" bold="true" box="[862,882,1668,1690]" pageId="3" pageNumber="326">vi</emphasis>
|
||
, vitellaria.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BC7FB0D4E41CA60059EF9192957FEEE" blockId="3.[151,1436,1760,2037]" lastBlockId="4.[151,1437,151,285]" lastPageId="4" lastPageNumber="327" pageId="3" pageNumber="326">
|
||
Ovoid ovary, 91.0–145.5 (119.5; 17.96; 9) long by 78.2–134.5 (103.6; 17.70; 9) wide. The short oviduct opens into the ootype just opposite the entrance of the seminal receptacle (
|
||
<figureCitation id="1343E7884E41CA6706C8F8FD2C3CF8EE" box="[913,1029,1796,1821]" captionStart="FIGURE 6" captionStartId="6.[151,250,1427,1449]" captionTargetBox="[166,1414,213,1393]" captionTargetId="figure@6.[151,1436,193,1405]" captionTargetPageId="6" captionText="FIGURE 6. Reproductive complex of Temnocephala gargantua sp. nov. (a) Reconstruction of the whole complex from a dissection. Scale bar: 100 µm. (b) Reconstruction of the female reproductive complex based on serial sagittal sections. Scale bar:100 µm.(c) Detail ofthe sphincterin the femalereproductive complex.The asterisk marks thethinner sideof the sphincter. Scale bar: 30 µm. Abbreviations: at, atrium; cv, contractile vesicle; go, gonopore; ov, ovary; ps, penial stylet; rv, resorbiens vesicle; sp, sphincter; sr, seminal receptacle; sv, seminal vesicle; vd, vitelline duct; vg, vagina." httpUri="https://zenodo.org/record/1169967/files/figure.png" pageId="3" pageNumber="326">Fig. 6A,B</figureCitation>
|
||
). Abundant glandular cells surround the ootype, with ducts that open into it. Resorbiens vesicle in the space left by the posterior constriction of the intestine and generally posterior to the level of the gonopore (
|
||
<figureCitation id="1343E7884E41CA670637F8B52B86F896" box="[878,959,1868,1893]" captionStart="FIGURE 1" captionStartId="2.[151,249,1332,1354]" captionTargetBox="[196,1382,210,1295]" captionTargetId="figure@2.[179,1407,193,1310]" captionTargetPageId="2" captionText="FIGURE 1. Temnocephala gargantua sp. nov. in ventral view. (a) Holotype, showing Stratiodrilus’ hard parts in the intestine. Scale bar: 400 µm. (b) Diagram of the general organization of the body. Scale bar: 500 µm. Abbreviations: ev, excretory vesicle; hg, Haswell’s glands; ph, pharynx; sg, sucker glands; su, sucker; te, testes; tg, tentacular glands; vi, vitellaria." httpUri="https://zenodo.org/record/1169957/files/figure.png" pageId="3" pageNumber="326">Figs. 1</figureCitation>
|
||
,
|
||
<figureCitation id="1343E7884E41CA670688F8B42BD9F896" box="[977,992,1869,1893]" captionStart="FIGURE 3" captionStartId="3.[151,249,1607,1629]" captionTargetBox="[181,1402,1223,1568]" captionTargetId="figure@3.[170,1417,1213,1585]" captionTargetPageId="3" captionText="FIGURE 3. Sagittal section of Temnocephala gargantua sp. nov. Scale bar: 300 µm. Abbreviations: at, atrium; gl, glands surrounding the distal portion of the female reproductive system; go, gonopore; in, intestine; mo, mouth; ov, ovary; ph, pharynx; rv, resorbiens vesicle; sp, sphincter; su, sucker; tn, tentacle; vi, vitellaria." httpUri="https://zenodo.org/record/1169961/files/figure.png" pageId="3" pageNumber="326">3</figureCitation>
|
||
), ovoid in shape, 149.1–236.4 (186.2; 35.76; 5) long by 118.2–207.3 (162.6; 36.07; 5) wide. The posterior part of the resorbiens vesicle is more flattened and has a thicker wall than the anterior one; this thick-walled portion gives rise to the short duct that leads to the seminal receptacle, which is surrounded by a sphincter (
|
||
<figureCitation id="1343E7884E41CA670654F8412BBEF822" box="[781,903,1976,2001]" captionStart="FIGURE 6" captionStartId="6.[151,250,1427,1449]" captionTargetBox="[166,1414,213,1393]" captionTargetId="figure@6.[151,1436,193,1405]" captionTargetPageId="6" captionText="FIGURE 6. Reproductive complex of Temnocephala gargantua sp. nov. (a) Reconstruction of the whole complex from a dissection. Scale bar: 100 µm. (b) Reconstruction of the female reproductive complex based on serial sagittal sections. Scale bar:100 µm.(c) Detail ofthe sphincterin the femalereproductive complex.The asterisk marks thethinner sideof the sphincter. Scale bar: 30 µm. Abbreviations: at, atrium; cv, contractile vesicle; go, gonopore; ov, ovary; ps, penial stylet; rv, resorbiens vesicle; sp, sphincter; sr, seminal receptacle; sv, seminal vesicle; vd, vitelline duct; vg, vagina." httpUri="https://zenodo.org/record/1169967/files/figure.png" pageId="3" pageNumber="326">Fig. 6A, B</figureCitation>
|
||
). The seminal receptacle is an expansion of the wall of the duct that connects the ootype with the resorbiens vesicle (
|
||
<figureCitation id="1343E7884E41CA670694F8252C7CF806" box="[973,1093,2012,2037]" captionStart="FIGURE 6" captionStartId="6.[151,250,1427,1449]" captionTargetBox="[166,1414,213,1393]" captionTargetId="figure@6.[151,1436,193,1405]" captionTargetPageId="6" captionText="FIGURE 6. Reproductive complex of Temnocephala gargantua sp. nov. (a) Reconstruction of the whole complex from a dissection. Scale bar: 100 µm. (b) Reconstruction of the female reproductive complex based on serial sagittal sections. Scale bar:100 µm.(c) Detail ofthe sphincterin the femalereproductive complex.The asterisk marks thethinner sideof the sphincter. Scale bar: 30 µm. Abbreviations: at, atrium; cv, contractile vesicle; go, gonopore; ov, ovary; ps, penial stylet; rv, resorbiens vesicle; sp, sphincter; sr, seminal receptacle; sv, seminal vesicle; vd, vitelline duct; vg, vagina." httpUri="https://zenodo.org/record/1169967/files/figure.png" pageId="3" pageNumber="326">Fig. 6A,B</figureCitation>
|
||
). Vagina 109.9–147.2 (128.6; 26.38; 2) long by 81.1–108.1 (94.6; 19.09; 2) maximum width; distal portion with an asymmetrical sphincter, 68.5– 108.1 (87.1; 19.91; 3) in diameter (
|
||
<figureCitation id="1343E7884E46CA600746FF452A41FF26" box="[543,632,188,213]" captionStart="FIGURE 6" captionStartId="6.[151,250,1427,1449]" captionTargetBox="[166,1414,213,1393]" captionTargetId="figure@6.[151,1436,193,1405]" captionTargetPageId="6" captionText="FIGURE 6. Reproductive complex of Temnocephala gargantua sp. nov. (a) Reconstruction of the whole complex from a dissection. Scale bar: 100 µm. (b) Reconstruction of the female reproductive complex based on serial sagittal sections. Scale bar:100 µm.(c) Detail ofthe sphincterin the femalereproductive complex.The asterisk marks thethinner sideof the sphincter. Scale bar: 30 µm. Abbreviations: at, atrium; cv, contractile vesicle; go, gonopore; ov, ovary; ps, penial stylet; rv, resorbiens vesicle; sp, sphincter; sr, seminal receptacle; sv, seminal vesicle; vd, vitelline duct; vg, vagina." httpUri="https://zenodo.org/record/1169967/files/figure.png" pageId="4" pageNumber="327">Fig. 6C</figureCitation>
|
||
). Female portion of atrium surrounded by several gland cells with ducts that open into its lumen (
|
||
<figureCitation id="1343E7884E46CA6004ECFF262A37FF0B" box="[437,526,223,248]" captionStart="FIGURE 6" captionStartId="6.[151,250,1427,1449]" captionTargetBox="[166,1414,213,1393]" captionTargetId="figure@6.[151,1436,193,1405]" captionTargetPageId="6" captionText="FIGURE 6. Reproductive complex of Temnocephala gargantua sp. nov. (a) Reconstruction of the whole complex from a dissection. Scale bar: 100 µm. (b) Reconstruction of the female reproductive complex based on serial sagittal sections. Scale bar:100 µm.(c) Detail ofthe sphincterin the femalereproductive complex.The asterisk marks thethinner sideof the sphincter. Scale bar: 30 µm. Abbreviations: at, atrium; cv, contractile vesicle; go, gonopore; ov, ovary; ps, penial stylet; rv, resorbiens vesicle; sp, sphincter; sr, seminal receptacle; sv, seminal vesicle; vd, vitelline duct; vg, vagina." httpUri="https://zenodo.org/record/1169967/files/figure.png" pageId="4" pageNumber="327">Fig. 6B</figureCitation>
|
||
). Vitelline glands branched (
|
||
<figureCitation id="1343E7884E46CA60060CFF262B95FF0B" box="[853,940,223,248]" captionStart="FIGURE 1" captionStartId="2.[151,249,1332,1354]" captionTargetBox="[196,1382,210,1295]" captionTargetId="figure@2.[179,1407,193,1310]" captionTargetPageId="2" captionText="FIGURE 1. Temnocephala gargantua sp. nov. in ventral view. (a) Holotype, showing Stratiodrilus’ hard parts in the intestine. Scale bar: 400 µm. (b) Diagram of the general organization of the body. Scale bar: 500 µm. Abbreviations: ev, excretory vesicle; hg, Haswell’s glands; ph, pharynx; sg, sucker glands; su, sucker; te, testes; tg, tentacular glands; vi, vitellaria." httpUri="https://zenodo.org/record/1169957/files/figure.png" pageId="4" pageNumber="327">Fig. 1B</figureCitation>
|
||
), surrounding intestine completely (
|
||
<figureCitation id="1343E7884E46CA600011FF262DB7FF0B" box="[1352,1422,223,248]" captionStart="FIGURE 3" captionStartId="3.[151,249,1607,1629]" captionTargetBox="[181,1402,1223,1568]" captionTargetId="figure@3.[170,1417,1213,1585]" captionTargetPageId="3" captionText="FIGURE 3. Sagittal section of Temnocephala gargantua sp. nov. Scale bar: 300 µm. Abbreviations: at, atrium; gl, glands surrounding the distal portion of the female reproductive system; go, gonopore; in, intestine; mo, mouth; ov, ovary; ph, pharynx; rv, resorbiens vesicle; sp, sphincter; su, sucker; tn, tentacle; vi, vitellaria." httpUri="https://zenodo.org/record/1169961/files/figure.png" pageId="4" pageNumber="327">Fig. 3</figureCitation>
|
||
). Eggs not observed.
|
||
</paragraph>
|
||
<caption id="DF07AB854E46CA6005CEF9B62D01F97B" httpUri="https://zenodo.org/record/1169963/files/figure.png" pageId="4" pageNumber="327" startId="4.[151,249,1615,1637]" targetBox="[152,1435,370,1556]" targetPageId="4">
|
||
<paragraph id="8BC7FB0D4E46CA6005CEF9B62D01F97B" blockId="4.[151,1436,1615,1672]" pageId="4" pageNumber="327">
|
||
<emphasis id="B90C271F4E46CA6005CEF9B62928F996" bold="true" box="[151,273,1615,1637]" pageId="4" pageNumber="327">FIGURE 4.</emphasis>
|
||
Sagittal section of the pharynx of
|
||
<taxonomicName id="4C78808E4E46CA600735F9B62B57F995" authority="León & Volonterio, 2018" authorityName="León & Volonterio" authorityYear="2018" box="[620,878,1615,1638]" class="Rhabditophora" family="Temnocephalidae" genus="Temnocephala" kingdom="Animalia" order="Rhabdocoela" pageId="4" pageNumber="327" phylum="Platyhelminthes" rank="species" species="gargantua" status="sp. nov.">
|
||
<emphasis id="B90C271F4E46CA600735F9B62B57F995" box="[620,878,1615,1638]" italics="true" pageId="4" pageNumber="327">Temnocephala gargantua</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23F9A644E46CA60062AF9B62BFAF996" box="[883,963,1615,1637]" pageId="4" pageNumber="327" rank="species">
|
||
<emphasis id="B90C271F4E46CA60062AF9B62BFAF996" bold="true" box="[883,963,1615,1637]" pageId="4" pageNumber="327">sp. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
Scale bar: 100 µm. Abbreviations:
|
||
<emphasis id="B90C271F4E46CA600073F9B62D79F996" bold="true" box="[1322,1344,1615,1637]" pageId="4" pageNumber="327">as</emphasis>
|
||
, anterior sphincter;
|
||
<emphasis id="B90C271F4E46CA600458F98B2918F97B" bold="true" box="[257,289,1650,1672]" pageId="4" pageNumber="327">cm</emphasis>
|
||
, circular musculature;
|
||
<emphasis id="B90C271F4E46CA600752F98B2A1DF97B" bold="true" box="[523,548,1650,1672]" pageId="4" pageNumber="327">ep</emphasis>
|
||
, epidermis;
|
||
<emphasis id="B90C271F4E46CA6007FBF98B2A87F97B" bold="true" box="[674,702,1650,1672]" pageId="4" pageNumber="327">lm</emphasis>
|
||
, longitudinal musculature;
|
||
<emphasis id="B90C271F4E46CA60068DF98B2BCFF97B" bold="true" box="[980,1014,1650,1672]" pageId="4" pageNumber="327">mo</emphasis>
|
||
, mouth;
|
||
<emphasis id="B90C271F4E46CA600108F98B2C50F97B" bold="true" box="[1105,1129,1650,1672]" pageId="4" pageNumber="327">ps</emphasis>
|
||
, posterior sphincter.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BC7FB0D4E46CA61059EF9272C4CFEEE" blockId="4.[151,1437,1756,2034]" lastBlockId="5.[151,1436,151,285]" lastPageId="5" lastPageNumber="328" pageId="4" pageNumber="327">
|
||
Testes ovoid; two lateral to the posterior portion of the intestine and two larger, posterior to the same organ and more central (
|
||
<figureCitation id="1343E7884E46CA60046CF8F9294EF8EA" box="[309,375,1792,1817]" captionStart="FIGURE 1" captionStartId="2.[151,249,1332,1354]" captionTargetBox="[196,1382,210,1295]" captionTargetId="figure@2.[179,1407,193,1310]" captionTargetPageId="2" captionText="FIGURE 1. Temnocephala gargantua sp. nov. in ventral view. (a) Holotype, showing Stratiodrilus’ hard parts in the intestine. Scale bar: 400 µm. (b) Diagram of the general organization of the body. Scale bar: 500 µm. Abbreviations: ev, excretory vesicle; hg, Haswell’s glands; ph, pharynx; sg, sucker glands; su, sucker; te, testes; tg, tentacular glands; vi, vitellaria." httpUri="https://zenodo.org/record/1169957/files/figure.png" pageId="4" pageNumber="327">Fig. 1</figureCitation>
|
||
). Anterior testes 166.7–296.3 (224.1; 39.47; 10) long by 74.1–185.2 (138.9; 34.10; 10) wide. Posterior testes 203.7–351.9 (290.7; 50.18; 10) long by 129.6–240.7 (198.1; 32.71; 10) wide. The thick vasa efferentia enter the seminal vesicle adjacent to each other (
|
||
<figureCitation id="1343E7884E46CA600674F8B12BB1F892" box="[813,904,1864,1889]" captionStart="FIGURE 6" captionStartId="6.[151,250,1427,1449]" captionTargetBox="[166,1414,213,1393]" captionTargetId="figure@6.[151,1436,193,1405]" captionTargetPageId="6" captionText="FIGURE 6. Reproductive complex of Temnocephala gargantua sp. nov. (a) Reconstruction of the whole complex from a dissection. Scale bar: 100 µm. (b) Reconstruction of the female reproductive complex based on serial sagittal sections. Scale bar:100 µm.(c) Detail ofthe sphincterin the femalereproductive complex.The asterisk marks thethinner sideof the sphincter. Scale bar: 30 µm. Abbreviations: at, atrium; cv, contractile vesicle; go, gonopore; ov, ovary; ps, penial stylet; rv, resorbiens vesicle; sp, sphincter; sr, seminal receptacle; sv, seminal vesicle; vd, vitelline duct; vg, vagina." httpUri="https://zenodo.org/record/1169967/files/figure.png" pageId="4" pageNumber="327">Fig. 6A</figureCitation>
|
||
). The seminal vesicle is pyriform, 191.0–298.2 (257.9; 33.59; 9) long by 95.0–173.0 (128.5; 29.22; 8) maximum width; wall 5.4–11.7 (7.8; 1.88; 11) thick; it opens into the contractile vesicle in a sub-polar position. Contractile vesicle 109.1–163.6 (143.7; 17.39; 10) long by 64.0–109.1 (92.5; 13.38; 10) maximum width; wall 2.7–7.2 (5.6; 1.75; 11) thick. No prostatic glands were seen externally to the contractile vesicle. Penial stylet slightly curved (
|
||
<figureCitation id="1343E7884E46CA600625F8202BEEF802" box="[892,983,2009,2034]" captionStart="FIGURE 7" captionStartId="6.[151,250,1982,2004]" captionTargetBox="[269,1303,1627,1945]" captionTargetId="figure@6.[259,1327,1621,1961]" captionTargetPageId="6" captionText="FIGURE 7. Penial stylet of of Temnocephala gargantua sp. nov. (a) Whole stylet. Scale bar: 50 µm. (b) Introvert. Scale bar: 15 µm." httpUri="https://zenodo.org/record/1169969/files/figure.png" pageId="4" pageNumber="327">Fig. 7A</figureCitation>
|
||
); 200.0–258.2 (225.4; 18.59; 9) long by 45.5–63.6 (52.3; 6.64; 9) proximal width. Symmetrical introvert 27.3 long by 14.5–22.0 (17.8; 2.42; 9) maximum width, bearing at least 44 spine-like projections, each bearing 7 rows of internal spines (
|
||
<figureCitation id="1343E7884E47CA610120FF452CEBFF27" box="[1145,1234,188,213]" captionStart="FIGURE 7" captionStartId="6.[151,250,1982,2004]" captionTargetBox="[269,1303,1627,1945]" captionTargetId="figure@6.[259,1327,1621,1961]" captionTargetPageId="6" captionText="FIGURE 7. Penial stylet of of Temnocephala gargantua sp. nov. (a) Whole stylet. Scale bar: 50 µm. (b) Introvert. Scale bar: 15 µm." httpUri="https://zenodo.org/record/1169969/files/figure.png" pageId="5" pageNumber="328">Fig. 7B</figureCitation>
|
||
). Gonopore at the level of the space between the anterior and posterior testes, surrounded by glands; ratio body length without tentacles to distance between gonopore and base of tentacles 1:0.54–0.65 (mean 1:0.57).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |