450 lines
71 KiB
XML
450 lines
71 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zse.100.117956" ID-Pensoft-Pub="1860-0743-2-357" ID-Pensoft-UUID="2E99466826035DE19518BCE1FB6606CC" ID-ZooBank="9ED1E92303F74EA2906B76A828481099" ModsDocID="1860-0743-100-2-357" checkinTime="1712193101765" checkinUser="pensoft" docAuthor="Garcia Facal, Guillermina, Ivanov, Veronica A. & Menoret, Adriana" docDate="2024" docId="F650F97902C15170AD479D4CCE9330F6" docLanguage="en" docName="ZoosystEvol 100(2): 357-372" docOrigin="Zoosystematics and Evolution 100 (2)" docPubDate="2024-04-03" docSource="http://dx.doi.org/10.3897/zse.100.117956" docTitle="Rockacestus magellanicus García Facal & Ivanov & Menoret 2024, sp. nov." docType="treatment" docUuid="E935F2CC-AFED-490F-98B7-C426CC919F07" docUuidSource="ZooBank" docVersion="1" id="2E99466826035DE19518BCE1FB6606CC" lastPageNumber="357" masterDocId="2E99466826035DE19518BCE1FB6606CC" masterDocTitle="New species of Rockacestus (Cestoda, Phyllobothriidea) from skates of the genus Bathyraja (Rajiformes, Arhynchobatidae) in the Southwestern Atlantic Ocean with comments on the distribution of the genus" masterLastPageNumber="372" masterPageNumber="357" pageNumber="357" updateTime="1712193101765" updateUser="pensoft">
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<mods:title id="0DA2A1D650588B1CDA0E6E4548CF5D1B">New species of Rockacestus (Cestoda, Phyllobothriidea) from skates of the genus Bathyraja (Rajiformes, Arhynchobatidae) in the Southwestern Atlantic Ocean with comments on the distribution of the genus</mods:title>
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<mods:namePart id="38F8352F08BD8F68FF75A5EA7977E4A5">Garcia Facal, Guillermina</mods:namePart>
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<mods:nameIdentifier id="1DBE67F9D2B270CC7ABAF111A4614D2E" type="ORCID">https://orcid.org/0009-0001-3598-8464</mods:nameIdentifier>
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<mods:affiliation id="5CB040AA60B48FA1D599C62647F06942">Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biologia Experimental, Laboratorio de Sistematica y Biologia de Parasitos de Organismos Acuaticos (SIBIPOA), Buenos Aires, Argentina & CONICET-Universidad de Buenos Aires, Instituto de Biodiversidad y Biologia Experimental (IBBEA), Buenos Aires, Argentina</mods:affiliation>
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<mods:nameIdentifier id="7FF5F659E7ECCC7B1F8A923BAE594D12" type="email">guillefacal@gmail.com</mods:nameIdentifier>
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<mods:namePart id="A4343B8238274ECE37BD8E4382420C56">Ivanov, Veronica A.</mods:namePart>
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<mods:affiliation id="8B0B8151E05077403728E32E201F17A5">Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biologia Experimental, Laboratorio de Sistematica y Biologia de Parasitos de Organismos Acuaticos (SIBIPOA), Buenos Aires, Argentina & CONICET-Universidad de Buenos Aires, Instituto de Biodiversidad y Biologia Experimental (IBBEA), Buenos Aires, Argentina</mods:affiliation>
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<mods:namePart id="48195171D3334C98EE6BF3C2D7692F05">Menoret, Adriana</mods:namePart>
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<mods:nameIdentifier id="FF312224878D60F8D28E5975A6B0947B" type="ORCID">https://orcid.org/0009-0002-7977-6348</mods:nameIdentifier>
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<mods:affiliation id="CC5E6588C744AA25DC738C76583964F7">Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biologia Experimental, Laboratorio de Sistematica y Biologia de Parasitos de Organismos Acuaticos (SIBIPOA), Buenos Aires, Argentina & CONICET-Universidad de Buenos Aires, Instituto de Biodiversidad y Biologia Experimental (IBBEA), Buenos Aires, Argentina</mods:affiliation>
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<mods:nameIdentifier id="04198ECA5FE41B79A0856F659BCC23F2" type="email">menoret.a@gmail.com</mods:nameIdentifier>
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<mods:title id="C18D9A45C1041A6C8ED4A6AF0A3DAF46">Zoosystematics and Evolution</mods:title>
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<mods:date id="C4DBC576AA19FE3F41892625295780AC">2024</mods:date>
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<mods:number id="D7FD9909A3C4B53E74F2D3D67EC06FF2">2024-04-03</mods:number>
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<treatment id="F650F97902C15170AD479D4CCE9330F6" LSID="urn:lsid:zoobank.org:act:E935F2CC-AFED-490F-98B7-C426CC919F07" httpUri="http://treatment.plazi.org/id/F650F97902C15170AD479D4CCE9330F6" lastPageNumber="357" pageId="0" pageNumber="357">
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<subSubSection id="E0ABDBB61DAEAFB123D3CECE7A0CA940" pageId="0" pageNumber="357" type="nomenclature">
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<paragraph id="6A0571D893793A097F38355A09EF3485" pageId="0" pageNumber="357">
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<taxonomicName id="A95A56231A47ED9A581A11F3A9E78F9D" LSID="https://zoobank.org/E935F2CC-AFED-490F-98B7-C426CC919F07" authority="García Facal & Ivanov & Menoret, 2024" authorityName="García Facal & Ivanov & Menoret" authorityYear="2024" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus magellanicus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="magellanicus" status="sp. nov.">Rockacestus magellanicus</taxonomicName>
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<taxonomicNameLabel id="88EFE62B11CD534E5358B8A77D8E4E38" pageId="0" pageNumber="357">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection id="83CE64B9DDC2EE017B8DA3056D76C4D8" pageId="0" pageNumber="357" type="description">
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<paragraph id="C5AB8A613FE2647927858CD13AE05133" pageId="0" pageNumber="357">
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<figureCitation id="AEB13C320CD8203D066DD13E7971C4E0" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Light micrographs of whole worms of Rockacestus from the Southwestern Atlantic Ocean. A. Rockacestus blasi sp. nov. (holotype MACN-Pa No. 783) from Bathyraja macloviana; B. Rockacestus magellanicus sp. nov. (holotype MACN-Pa No. 789) from Bathyraja magellanica; C. Rockacestus ottavianoi sp. nov. (holotype MACN-Pa 793) from Bathyraja magellanica." figureDoi="10.3897/zse.100.117956.figure1" httpUri="https://binary.pensoft.net/fig/1014939" pageId="0" pageNumber="357">Figs 1B</figureCitation>
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<figureCitation id="3106EFDE06F52740DE95C4E132BEE97A" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">, 4A-C</figureCitation>
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<figureCitation id="2F1ADC1D68F23E17F7B299F24E173ABF" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Rockacestus magellanicus sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in Fig. 5 B, 5 E-I; B. Apical sucker, small letters indicate the location of details shown in Fig. 5 C-D; C. Surface of the external apical sucker rim, acicular filitriches and lanceolate spinitriches; D. Distal apical sucker surface, acicular filitriches and lingulate spinitriches; E-F. Distal bothridial surface, acicular filitriches and lingulate spinitriches; G. Proximal bothridial surface, acicular filitriches, and cilium (white arrow); H. Apex of scolex, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and coniform spinitriches; J. Scutes on surface of neck; K. Detail of scutes, capilliform filitriches; L. Detail of microtriches in marginal loculi and cilium (white arrow)." figureDoi="10.3897/zse.100.117956.figure5" httpUri="https://binary.pensoft.net/fig/1014943" pageId="0" pageNumber="357">, 5</figureCitation>
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<figureCitation id="4D6FFFE438195871B360CB032772919D" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Light micrographs of cross-sections of mature proglottids of species of Rockacestus off Argentina. A-C. Rockacestus blasi sp. nov.; A. At the level of the testes, anterior to the cirrus sac; B. At the level of the cirrus sac; C. At the level of ovarian isthmus; D-F. Rockacestus magellanicus sp. nov.; D. At the level of the testes, anterior to the cirrus sac; E. At the level of the cirrus sac; F. At the level of ovarian isthmus; G-I. Rockacestus ottavianoi sp. nov; G. At the level of the testes, anterior to the cirrus sac; H. At the level of the cirrus sac; I. At the level of ovarian isthmus; cs - cirrus sac; oc - ovicapt; ov - ovary; sr - seminal receptacle; t - testes; u - uterus; ut - uteroduct; vd - vas deferens; vf - vitelline follicle; vg - vagina; vod - ventral osmoregulatory duct." figureDoi="10.3897/zse.100.117956.figure7" httpUri="https://binary.pensoft.net/fig/1014945" pageId="0" pageNumber="357">, 7D-F</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="D21BA14549C83DAA28C8499CB400F4DC" pageId="0" pageNumber="357" type="type material">
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<paragraph id="4DA06B30BFB133F62533093D1085EC5A" pageId="0" pageNumber="357">Type material.</paragraph>
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<paragraph id="B7DA84B74E79B7DDB2B8E17DC35897CC" pageId="0" pageNumber="357">
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<emphasis id="18FC0C9541AA507E91ACFA069AB0EE90" bold="true" italics="true" pageId="0" pageNumber="357">Holotype</emphasis>
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whole mature worm; off
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<normalizedToken id="99CE0A213093ADD1F3008A1505353931" originalValue="Río">Rio</normalizedToken>
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Grande, Tierra del Fuego Province, Argentina (
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<geoCoordinate id="B3153628F83E7BAEBF8CF83408683C14" degrees="53" direction="south" minutes="51.36" orientation="latitude" precision="9" value="-53.856">53°51.36'S</geoCoordinate>
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,
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<geoCoordinate id="DCCB704A4253684408F84C9ABEB6AA27" degrees="67" direction="west" minutes="03.84" orientation="longitude" precision="9" value="-67.064">67°03.84'W</geoCoordinate>
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), 58 m, 31 Mar. 2014, A. Menoret leg., MACN-Pa No. 789.
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</paragraph>
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<paragraph id="0974EB538FC2E3A022F70F1AEA860259" pageId="0" pageNumber="357">
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<emphasis id="81AE79A53E23868C43D2DFCF84E0DAAA" bold="true" italics="true" pageId="0" pageNumber="357">Paratypes</emphasis>
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1 whole mature worm, 1 mature strobila, 2 detached mature proglottid, cross-section of 1 detached mature proglottid, off
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<normalizedToken id="8C93113F6A45DB8F742A68EE1A291E83" originalValue="Río">Rio</normalizedToken>
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Grande, Tierra del Fuego Province, Argentina (
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<geoCoordinate id="69A9BBABF703345E9FC3A89F9241D28D" degrees="54" direction="south" minutes="19.91" orientation="latitude" precision="9" value="-54.331833">54°19.91'S</geoCoordinate>
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,
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<geoCoordinate id="345F7ECC3A251A591A12213D3632F034" degrees="64" direction="west" minutes="14.26" orientation="longitude" precision="9" value="-64.23766">64°14.26'W</geoCoordinate>
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), 122 m, 22 Apr. 2016, A. Menoret leg., MACN-Pa Nos. 790/1-14. One strobila, 1 detached mature proglottid, same data as preceding, MLP-He No. 8098. One whole mature worm, off
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<normalizedToken id="C7F5FA2995590038D9D73FB6A12E40B2" originalValue="Río">Rio</normalizedToken>
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Grande, Tierra del Fuego Province, Argentina (
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<geoCoordinate id="ED820381A1C118B6E63BD902669D4524" degrees="53" direction="south" minutes="26.35" orientation="latitude" precision="9" value="-53.439167">53°26.35'S</geoCoordinate>
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,
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<geoCoordinate id="B88DB1C67D7C6BD669E90D25292C4B96" degrees="64" direction="west" minutes="58.56" orientation="longitude" precision="9" value="-64.976">64°58.56'W</geoCoordinate>
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), 130 m, 1 Apr. 2012, A. Menoret leg., MACN-Pa No. 792. One whole mature worm, off the Marine Protected Area
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<normalizedToken id="FD360B767076118786C534D4E864B833" originalValue="Namuncurá">Namuncura</normalizedToken>
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/Burdwood Bank (
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<geoCoordinate id="E61006781E6C789F0BE943EE91E10A08" degrees="54" direction="south" minutes="32.60" orientation="latitude" precision="9" value="-54.543335">54°32.60'S</geoCoordinate>
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,
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<geoCoordinate id="AFC15E708D00FC296DDA98F65B4C2F8F" degrees="60" direction="west" minutes="1.28" orientation="longitude" precision="9" value="-60.02133">60°1.28'W</geoCoordinate>
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), 98 m, 30 Mar. 2016, A. Menoret leg., MACN-Pa No. 791. One whole mature worm, same data as preceding, MLP-He No. 8099.
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</paragraph>
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</subSubSection>
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<subSubSection id="CE0ACB5874D7306648F801A5E365F1EC" pageId="0" pageNumber="357" type="description">
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<paragraph id="5F2D151447973D04596D7A88A91FBB07" pageId="0" pageNumber="357">Description.</paragraph>
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<paragraph id="F9A3FA7C4EFCAA772420290D4D2330AE" pageId="0" pageNumber="357">
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Based on 7 specimens (5 whole mature worms and 2 strobilae without scoleces), 5 detached mature proglottids, 3 detached gravid proglottids, cross-sections of 1 detached mature proglottid, and 3 scoleces examined with SEM. Worms euapolytic, 9.9-19.5 (14.4
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<normalizedToken id="8EAF3B3A9A9434E6CC063F216F9644B2" originalValue="±">+/-</normalizedToken>
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4.0, n = 5) mm long, 61-115 (90.3
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<normalizedToken id="478AB0C951DDCA5A83075AAE38ADFC8D" originalValue="±">+/-</normalizedToken>
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23, n = 7) craspedote proglottids per worm (Fig.
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<figureCitation id="37B08612B3990962BB4D69ED41155DC9" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Light micrographs of whole worms of Rockacestus from the Southwestern Atlantic Ocean. A. Rockacestus blasi sp. nov. (holotype MACN-Pa No. 783) from Bathyraja macloviana; B. Rockacestus magellanicus sp. nov. (holotype MACN-Pa No. 789) from Bathyraja magellanica; C. Rockacestus ottavianoi sp. nov. (holotype MACN-Pa 793) from Bathyraja magellanica." figureDoi="10.3897/zse.100.117956.figure1" httpUri="https://binary.pensoft.net/fig/1014939" pageId="0" pageNumber="357">1B</figureCitation>
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). Maximum width at level of scolex or immature proglottids. Scolex composed of 4 bothridia, 520-810 (631
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<normalizedToken id="14D94A54DA6EA0141C113999BF6907D3" originalValue="±">+/-</normalizedToken>
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113, n = 5) long, 779-1,050 (944
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<normalizedToken id="8C13D049EE2BD06B461596D79351118D" originalValue="±">+/-</normalizedToken>
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116, n = 5) wide (Figs
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<figureCitation id="FB4FE2BCE26D887D4C594CDD03264B7E" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4A</figureCitation>
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,
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<figureCitation id="0A95DA887004C6759FB5E82B8B959527" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Rockacestus magellanicus sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in Fig. 5 B, 5 E-I; B. Apical sucker, small letters indicate the location of details shown in Fig. 5 C-D; C. Surface of the external apical sucker rim, acicular filitriches and lanceolate spinitriches; D. Distal apical sucker surface, acicular filitriches and lingulate spinitriches; E-F. Distal bothridial surface, acicular filitriches and lingulate spinitriches; G. Proximal bothridial surface, acicular filitriches, and cilium (white arrow); H. Apex of scolex, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and coniform spinitriches; J. Scutes on surface of neck; K. Detail of scutes, capilliform filitriches; L. Detail of microtriches in marginal loculi and cilium (white arrow)." figureDoi="10.3897/zse.100.117956.figure5" httpUri="https://binary.pensoft.net/fig/1014943" pageId="0" pageNumber="357">5A</figureCitation>
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). Bothridia folded, 450-471 (n = 2) long, 411-550 (n = 2) wide when folded, sessile anteriorly, free posteriorly, with apical sucker and marginal loculi. Posterior part of each bothridium with weak depression surrounded by circular band of muscle (Figs
|
||
<figureCitation id="24CD071FEB817539CD901D904D72B6F6" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4A</figureCitation>
|
||
,
|
||
<figureCitation id="9C430291A8AA6331C7E22708075140CC" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Rockacestus magellanicus sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in Fig. 5 B, 5 E-I; B. Apical sucker, small letters indicate the location of details shown in Fig. 5 C-D; C. Surface of the external apical sucker rim, acicular filitriches and lanceolate spinitriches; D. Distal apical sucker surface, acicular filitriches and lingulate spinitriches; E-F. Distal bothridial surface, acicular filitriches and lingulate spinitriches; G. Proximal bothridial surface, acicular filitriches, and cilium (white arrow); H. Apex of scolex, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and coniform spinitriches; J. Scutes on surface of neck; K. Detail of scutes, capilliform filitriches; L. Detail of microtriches in marginal loculi and cilium (white arrow)." figureDoi="10.3897/zse.100.117956.figure5" httpUri="https://binary.pensoft.net/fig/1014943" pageId="0" pageNumber="357">5A</figureCitation>
|
||
). Apical sucker, 70-105 (84
|
||
<normalizedToken id="A68C1A8BC427901F63BF4F594FE0E272" originalValue="±">+/-</normalizedToken>
|
||
17, n = 4) long, 70-100 (85
|
||
<normalizedToken id="DC650DF1D3523F29B932EBF158542845" originalValue="±">+/-</normalizedToken>
|
||
17, n = 4) wide (Figs
|
||
<figureCitation id="53DA5951AD18DB0A218C98A1D9C1F717" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4A</figureCitation>
|
||
,
|
||
<figureCitation id="FAE1788B7A16EF0DE9AB62903A9F93D0" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Rockacestus magellanicus sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in Fig. 5 B, 5 E-I; B. Apical sucker, small letters indicate the location of details shown in Fig. 5 C-D; C. Surface of the external apical sucker rim, acicular filitriches and lanceolate spinitriches; D. Distal apical sucker surface, acicular filitriches and lingulate spinitriches; E-F. Distal bothridial surface, acicular filitriches and lingulate spinitriches; G. Proximal bothridial surface, acicular filitriches, and cilium (white arrow); H. Apex of scolex, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and coniform spinitriches; J. Scutes on surface of neck; K. Detail of scutes, capilliform filitriches; L. Detail of microtriches in marginal loculi and cilium (white arrow)." figureDoi="10.3897/zse.100.117956.figure5" httpUri="https://binary.pensoft.net/fig/1014943" pageId="0" pageNumber="357">5A, B</figureCitation>
|
||
). Cephalic peduncle, absent. Neck, 3.6-8.3 (5.4
|
||
<normalizedToken id="B50202AA717062799CDC54C14DB9C588" originalValue="±">+/-</normalizedToken>
|
||
2.0, n = 5) mm long.
|
||
</paragraph>
|
||
<caption id="25D11A7774438D7451631578DB9F6591" doi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357" start="Figure 4" startId="F4">
|
||
<paragraph id="84D1563461E231378958C502659D49E2" pageId="0" pageNumber="357">
|
||
<emphasis id="9042A456D3BF77C5CCDCABA95BC264B4" bold="true" pageId="0" pageNumber="357">Figure 4.</emphasis>
|
||
Line drawings of species of
|
||
<taxonomicName id="B8797543C62E8AC955ACDD4CE1E87D64" authorityName="Caira, Bueno & Jensen" authorityYear="2021" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="genus">
|
||
<emphasis id="CA9F5DBD71DC6434FC674A24822AA9CF" italics="true" pageId="0" pageNumber="357">Rockacestus</emphasis>
|
||
</taxonomicName>
|
||
from the Southwestern Atlantic.
|
||
<emphasis id="EBFE2AC120D73643DA09163F13CD1822" bold="true" pageId="0" pageNumber="357">A-C.</emphasis>
|
||
<taxonomicName id="E20200F20721337C0D19D170689D5322" authorityName="García Facal & Ivanov & Menoret" authorityYear="2024" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus magellanicus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="magellanicus">
|
||
<emphasis id="0A9A8A625B5859CF5B7CA762C08AD22B" italics="true" pageId="0" pageNumber="357">Rockacestus magellanicus</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. from
|
||
<taxonomicName id="E603AAAEE01985826A103748D1A2630B" baseAuthorityName="Philippi" baseAuthorityYear="1902" class="Chondrichthyes" family="Arhynchobatidae" genus="Bathyraja" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bathyraja magellanica" order="Rajiformes" pageId="0" pageNumber="357" phylum="Chordata" rank="species" species="magellanica">
|
||
<emphasis id="75864BBF073A3978CD45FA550CD04073" italics="true" pageId="0" pageNumber="357">Bathyraja magellanica</emphasis>
|
||
</taxonomicName>
|
||
;
|
||
<emphasis id="40AB507DCC9CD2AACC33F31F92282214" bold="true" pageId="0" pageNumber="357">A.</emphasis>
|
||
Bothridium (paratype MLP-He No. 8099);
|
||
<emphasis id="6758B7465014C827976C564BD314B4E4" bold="true" pageId="0" pageNumber="357">B.</emphasis>
|
||
Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790/4);
|
||
<emphasis id="1B32370078C238108BBFFF6A70B820C3" bold="true" pageId="0" pageNumber="357">C.</emphasis>
|
||
Terminal mature proglottid (paratype MLP-He No. 8098);
|
||
<emphasis id="3C604FFBBCB902CA7ED5B7A4EBF9BC96" bold="true" pageId="0" pageNumber="357">D-E.</emphasis>
|
||
<taxonomicName id="000F769515AB953FCE03374E02E4CADD" authorityName="García Facal & Ivanov & Menoret" authorityYear="2024" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus ottavianoi" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="ottavianoi">
|
||
<emphasis id="098E960FA7B88BF865119373A03270A8" italics="true" pageId="0" pageNumber="357">Rockacestus ottavianoi</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. from
|
||
<taxonomicName id="374E341CB005DF9D7F29BD46AD6E5D23" baseAuthorityName="Philippi" baseAuthorityYear="1902" class="Chondrichthyes" family="Arhynchobatidae" genus="Bathyraja" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bathyraja magellanica" order="Rajiformes" pageId="0" pageNumber="357" phylum="Chordata" rank="species" species="magellanica">
|
||
<emphasis id="E09BAF103DA6153B024F391EF05B5548" italics="true" pageId="0" pageNumber="357">Bathyraja magellanica</emphasis>
|
||
</taxonomicName>
|
||
;
|
||
<emphasis id="F0D0E2A445151AC8A4511187A0379CE1" bold="true" pageId="0" pageNumber="357">D.</emphasis>
|
||
Bothridium (paratype MACN-Pa No. 794/1);
|
||
<emphasis id="B44020A964DB1A818C3F470A01164671" bold="true" pageId="0" pageNumber="357">E.</emphasis>
|
||
Terminal mature proglottid (holotype MACN-Pa No. 793).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="C0F4AA002671F0BEECFE0CA1E5595CDF" doi="10.3897/zse.100.117956.figure5" httpUri="https://binary.pensoft.net/fig/1014943" pageId="0" pageNumber="357" start="Figure 5" startId="F5">
|
||
<paragraph id="5C4A27FD9361E871E3FB85E26C6BB666" pageId="0" pageNumber="357">
|
||
<emphasis id="4465A4E0D403799E06B3762E60DDBD83" bold="true" pageId="0" pageNumber="357">Figure 5.</emphasis>
|
||
<taxonomicName id="DB707FCF391234E5814F1A857954BDB1" authorityName="García Facal & Ivanov & Menoret" authorityYear="2024" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus magellanicus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="magellanicus">
|
||
<emphasis id="2DFCB4F8CB69020A0B385A130EDE21A5" italics="true" pageId="0" pageNumber="357">Rockacestus magellanicus</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. from
|
||
<taxonomicName id="63ED437E480C41858ECC449D83BEEF3A" baseAuthorityName="Philippi" baseAuthorityYear="1902" class="Chondrichthyes" family="Arhynchobatidae" genus="Bathyraja" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bathyraja magellanica" order="Rajiformes" pageId="0" pageNumber="357" phylum="Chordata" rank="species" species="magellanica">
|
||
<emphasis id="98720D555C6E84AB1829D6422002184B" italics="true" pageId="0" pageNumber="357">Bathyraja magellanica</emphasis>
|
||
</taxonomicName>
|
||
, scanning electron micrographs.
|
||
<emphasis id="0E53BE3B87244D9B33CF329FE0946237" bold="true" pageId="0" pageNumber="357">A.</emphasis>
|
||
Scolex, small letters indicate the location of details shown in Fig.
|
||
<figureCitation id="47C3612BFE7242EB8195FCBA4F7D41C2" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Rockacestus magellanicus sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in Fig. 5 B, 5 E-I; B. Apical sucker, small letters indicate the location of details shown in Fig. 5 C-D; C. Surface of the external apical sucker rim, acicular filitriches and lanceolate spinitriches; D. Distal apical sucker surface, acicular filitriches and lingulate spinitriches; E-F. Distal bothridial surface, acicular filitriches and lingulate spinitriches; G. Proximal bothridial surface, acicular filitriches, and cilium (white arrow); H. Apex of scolex, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and coniform spinitriches; J. Scutes on surface of neck; K. Detail of scutes, capilliform filitriches; L. Detail of microtriches in marginal loculi and cilium (white arrow)." figureDoi="10.3897/zse.100.117956.figure5" httpUri="https://binary.pensoft.net/fig/1014943" pageId="0" pageNumber="357">5B</figureCitation>
|
||
,
|
||
<figureCitation id="2BC0121670427E03914944F36F0AB2E3" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Rockacestus magellanicus sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in Fig. 5 B, 5 E-I; B. Apical sucker, small letters indicate the location of details shown in Fig. 5 C-D; C. Surface of the external apical sucker rim, acicular filitriches and lanceolate spinitriches; D. Distal apical sucker surface, acicular filitriches and lingulate spinitriches; E-F. Distal bothridial surface, acicular filitriches and lingulate spinitriches; G. Proximal bothridial surface, acicular filitriches, and cilium (white arrow); H. Apex of scolex, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and coniform spinitriches; J. Scutes on surface of neck; K. Detail of scutes, capilliform filitriches; L. Detail of microtriches in marginal loculi and cilium (white arrow)." figureDoi="10.3897/zse.100.117956.figure5" httpUri="https://binary.pensoft.net/fig/1014943" pageId="0" pageNumber="357">5E-I</figureCitation>
|
||
;
|
||
<emphasis id="9C060A2C8BAB8DF6F7B814EC45600716" bold="true" pageId="0" pageNumber="357">B.</emphasis>
|
||
Apical sucker, small letters indicate the location of details shown in Fig.
|
||
<figureCitation id="F7FDA1FCCB377046AF18431DDF12F613" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Rockacestus magellanicus sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in Fig. 5 B, 5 E-I; B. Apical sucker, small letters indicate the location of details shown in Fig. 5 C-D; C. Surface of the external apical sucker rim, acicular filitriches and lanceolate spinitriches; D. Distal apical sucker surface, acicular filitriches and lingulate spinitriches; E-F. Distal bothridial surface, acicular filitriches and lingulate spinitriches; G. Proximal bothridial surface, acicular filitriches, and cilium (white arrow); H. Apex of scolex, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and coniform spinitriches; J. Scutes on surface of neck; K. Detail of scutes, capilliform filitriches; L. Detail of microtriches in marginal loculi and cilium (white arrow)." figureDoi="10.3897/zse.100.117956.figure5" httpUri="https://binary.pensoft.net/fig/1014943" pageId="0" pageNumber="357">5C-D</figureCitation>
|
||
;
|
||
<emphasis id="84E7EE1AED2464E88EE86E2C130095AD" bold="true" pageId="0" pageNumber="357">C.</emphasis>
|
||
Surface of the external apical sucker rim, acicular filitriches and lanceolate spinitriches;
|
||
<emphasis id="FFBD9D5677BF804544CA93AF22DFBD10" bold="true" pageId="0" pageNumber="357">D.</emphasis>
|
||
Distal apical sucker surface, acicular filitriches and lingulate spinitriches;
|
||
<emphasis id="0F2FFFB03F381C2941693985CB78D183" bold="true" pageId="0" pageNumber="357">E-F.</emphasis>
|
||
Distal bothridial surface, acicular filitriches and lingulate spinitriches;
|
||
<emphasis id="EF621F5D57C4B4C2A3B3075AE104EAF0" bold="true" pageId="0" pageNumber="357">G.</emphasis>
|
||
Proximal bothridial surface, acicular filitriches, and cilium (white arrow);
|
||
<emphasis id="7C62DF95BBF9733A6BEE1C0A0530F6D4" bold="true" pageId="0" pageNumber="357">H.</emphasis>
|
||
Apex of scolex, acicular filitriches;
|
||
<emphasis id="B36F26EE349BA38C277160EC5DBC0052" bold="true" pageId="0" pageNumber="357">I.</emphasis>
|
||
Distal surface of marginal loculi, acicular filitriches and coniform spinitriches;
|
||
<emphasis id="DE8A3585BC5E9788D5139B4373AF0C9B" bold="true" pageId="0" pageNumber="357">J.</emphasis>
|
||
Scutes on surface of neck;
|
||
<emphasis id="E0F5693EAF53053DF99302618C910ADB" bold="true" pageId="0" pageNumber="357">K.</emphasis>
|
||
Detail of scutes, capilliform filitriches;
|
||
<emphasis id="8681DCD192F6C340BA80AF2FE0442F56" bold="true" pageId="0" pageNumber="357">L.</emphasis>
|
||
Detail of microtriches in marginal loculi and cilium (white arrow).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="4AEE8076291EE16E5D7B50250745B17A" pageId="0" pageNumber="357">
|
||
Apex of scolex proper covered with acicular filitriches (Fig.
|
||
<figureCitation id="C9A48557CD3F8132B8C62AF6DE854D02" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Rockacestus magellanicus sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in Fig. 5 B, 5 E-I; B. Apical sucker, small letters indicate the location of details shown in Fig. 5 C-D; C. Surface of the external apical sucker rim, acicular filitriches and lanceolate spinitriches; D. Distal apical sucker surface, acicular filitriches and lingulate spinitriches; E-F. Distal bothridial surface, acicular filitriches and lingulate spinitriches; G. Proximal bothridial surface, acicular filitriches, and cilium (white arrow); H. Apex of scolex, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and coniform spinitriches; J. Scutes on surface of neck; K. Detail of scutes, capilliform filitriches; L. Detail of microtriches in marginal loculi and cilium (white arrow)." figureDoi="10.3897/zse.100.117956.figure5" httpUri="https://binary.pensoft.net/fig/1014943" pageId="0" pageNumber="357">5H</figureCitation>
|
||
). Proximal bothridial surface covered with acicular filitriches (Fig.
|
||
<figureCitation id="E9913734D0CA7C75F97B9B6EE720166D" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Rockacestus magellanicus sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in Fig. 5 B, 5 E-I; B. Apical sucker, small letters indicate the location of details shown in Fig. 5 C-D; C. Surface of the external apical sucker rim, acicular filitriches and lanceolate spinitriches; D. Distal apical sucker surface, acicular filitriches and lingulate spinitriches; E-F. Distal bothridial surface, acicular filitriches and lingulate spinitriches; G. Proximal bothridial surface, acicular filitriches, and cilium (white arrow); H. Apex of scolex, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and coniform spinitriches; J. Scutes on surface of neck; K. Detail of scutes, capilliform filitriches; L. Detail of microtriches in marginal loculi and cilium (white arrow)." figureDoi="10.3897/zse.100.117956.figure5" httpUri="https://binary.pensoft.net/fig/1014943" pageId="0" pageNumber="357">5G</figureCitation>
|
||
). Distal bothridial surface covered with acicular filitriches interspersed with lingulate spinitriches, lingulate spinitriches increasing in density posteriorly (Fig.
|
||
<figureCitation id="E3FFA9CAA888DEA9A2F2ED3ED99E2B6D" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Rockacestus magellanicus sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in Fig. 5 B, 5 E-I; B. Apical sucker, small letters indicate the location of details shown in Fig. 5 C-D; C. Surface of the external apical sucker rim, acicular filitriches and lanceolate spinitriches; D. Distal apical sucker surface, acicular filitriches and lingulate spinitriches; E-F. Distal bothridial surface, acicular filitriches and lingulate spinitriches; G. Proximal bothridial surface, acicular filitriches, and cilium (white arrow); H. Apex of scolex, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and coniform spinitriches; J. Scutes on surface of neck; K. Detail of scutes, capilliform filitriches; L. Detail of microtriches in marginal loculi and cilium (white arrow)." figureDoi="10.3897/zse.100.117956.figure5" httpUri="https://binary.pensoft.net/fig/1014943" pageId="0" pageNumber="357">5E, F</figureCitation>
|
||
). Distal surface of apical sucker covered with acicular filitriches interspersed with lingulate spinitriches; posterior half of external rim of apical sucker with lanceolate spinitriches (Fig.
|
||
<figureCitation id="7894F1ED424E6FA8D218A4C6BD87880E" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Rockacestus magellanicus sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in Fig. 5 B, 5 E-I; B. Apical sucker, small letters indicate the location of details shown in Fig. 5 C-D; C. Surface of the external apical sucker rim, acicular filitriches and lanceolate spinitriches; D. Distal apical sucker surface, acicular filitriches and lingulate spinitriches; E-F. Distal bothridial surface, acicular filitriches and lingulate spinitriches; G. Proximal bothridial surface, acicular filitriches, and cilium (white arrow); H. Apex of scolex, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and coniform spinitriches; J. Scutes on surface of neck; K. Detail of scutes, capilliform filitriches; L. Detail of microtriches in marginal loculi and cilium (white arrow)." figureDoi="10.3897/zse.100.117956.figure5" httpUri="https://binary.pensoft.net/fig/1014943" pageId="0" pageNumber="357">5B-D</figureCitation>
|
||
). Distal marginal loculi surface covered with papilliform to acicular filitriches interspersed with short coniform spinitriches (Fig.
|
||
<figureCitation id="FBECFC6DC76514539ECE09195775D1BB" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Rockacestus magellanicus sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in Fig. 5 B, 5 E-I; B. Apical sucker, small letters indicate the location of details shown in Fig. 5 C-D; C. Surface of the external apical sucker rim, acicular filitriches and lanceolate spinitriches; D. Distal apical sucker surface, acicular filitriches and lingulate spinitriches; E-F. Distal bothridial surface, acicular filitriches and lingulate spinitriches; G. Proximal bothridial surface, acicular filitriches, and cilium (white arrow); H. Apex of scolex, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and coniform spinitriches; J. Scutes on surface of neck; K. Detail of scutes, capilliform filitriches; L. Detail of microtriches in marginal loculi and cilium (white arrow)." figureDoi="10.3897/zse.100.117956.figure5" httpUri="https://binary.pensoft.net/fig/1014943" pageId="0" pageNumber="357">5I, L</figureCitation>
|
||
). Capilliform filitriches on neck and strobila arranged in scutes (Fig.
|
||
<figureCitation id="71677733656F9523EC8C07AF28EC395E" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Rockacestus magellanicus sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in Fig. 5 B, 5 E-I; B. Apical sucker, small letters indicate the location of details shown in Fig. 5 C-D; C. Surface of the external apical sucker rim, acicular filitriches and lanceolate spinitriches; D. Distal apical sucker surface, acicular filitriches and lingulate spinitriches; E-F. Distal bothridial surface, acicular filitriches and lingulate spinitriches; G. Proximal bothridial surface, acicular filitriches, and cilium (white arrow); H. Apex of scolex, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and coniform spinitriches; J. Scutes on surface of neck; K. Detail of scutes, capilliform filitriches; L. Detail of microtriches in marginal loculi and cilium (white arrow)." figureDoi="10.3897/zse.100.117956.figure5" httpUri="https://binary.pensoft.net/fig/1014943" pageId="0" pageNumber="357">5J, K</figureCitation>
|
||
). Cilia observed in proximal and distal bothridial surfaces, including apical sucker and marginal loculi (Fig.
|
||
<figureCitation id="8C29AB2A74C16F261ADD58A68EA4AE3C" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Rockacestus magellanicus sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in Fig. 5 B, 5 E-I; B. Apical sucker, small letters indicate the location of details shown in Fig. 5 C-D; C. Surface of the external apical sucker rim, acicular filitriches and lanceolate spinitriches; D. Distal apical sucker surface, acicular filitriches and lingulate spinitriches; E-F. Distal bothridial surface, acicular filitriches and lingulate spinitriches; G. Proximal bothridial surface, acicular filitriches, and cilium (white arrow); H. Apex of scolex, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and coniform spinitriches; J. Scutes on surface of neck; K. Detail of scutes, capilliform filitriches; L. Detail of microtriches in marginal loculi and cilium (white arrow)." figureDoi="10.3897/zse.100.117956.figure5" httpUri="https://binary.pensoft.net/fig/1014943" pageId="0" pageNumber="357">5G, L</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="466297E2786FB00ECD792070C3117B5B" pageId="0" pageNumber="357">
|
||
Immature proglottids wider than long, 59-109 (84
|
||
<normalizedToken id="F61ED661D48CC965FD41FD45AF04253B" originalValue="±">+/-</normalizedToken>
|
||
23, n = 7) in number. Mature proglottids wider than long, becoming longer than wide with maturity, 2-7 (4
|
||
<normalizedToken id="D5E9A749CA6005A93CBBF621745BF6D0" originalValue="±">+/-</normalizedToken>
|
||
2, n = 7) in number (Fig.
|
||
<figureCitation id="B95C1C0C0178824E73042A4EAC48117E" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Light micrographs of whole worms of Rockacestus from the Southwestern Atlantic Ocean. A. Rockacestus blasi sp. nov. (holotype MACN-Pa No. 783) from Bathyraja macloviana; B. Rockacestus magellanicus sp. nov. (holotype MACN-Pa No. 789) from Bathyraja magellanica; C. Rockacestus ottavianoi sp. nov. (holotype MACN-Pa 793) from Bathyraja magellanica." figureDoi="10.3897/zse.100.117956.figure1" httpUri="https://binary.pensoft.net/fig/1014939" pageId="0" pageNumber="357">1B</figureCitation>
|
||
). Terminal mature proglottid longer than wide, 925-1,430 (1,115
|
||
<normalizedToken id="F7DEF77CAE768936BB7CF844BFE46693" originalValue="±">+/-</normalizedToken>
|
||
201) long, 376-680 (502
|
||
<normalizedToken id="8734C236C4F231476763AB2AEFBC5F2C" originalValue="±">+/-</normalizedToken>
|
||
111) wide, length-to-width ratio, 1.4-2.7 (2.3
|
||
<normalizedToken id="7523DEEE253FC255505D1E2575DFA0F6" originalValue="±">+/-</normalizedToken>
|
||
0.4, n = 6): 1 (Fig.
|
||
<figureCitation id="03E4782D73DEFA7148CB3D06659F3015" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4C</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="580F03280990EB1D58ECF9A3669DD7A5" pageId="0" pageNumber="357">
|
||
Testes oblong, 67-89 (76
|
||
<normalizedToken id="BC54E84FCD22DD018F73AB0BDC2F8455" originalValue="±">+/-</normalizedToken>
|
||
8, n = 6) in total number, 51-67 (62
|
||
<normalizedToken id="8E2DBF9049E54003C5BB3EB443E10C45" originalValue="±">+/-</normalizedToken>
|
||
6, n = 6) long, 44-57 (49
|
||
<normalizedToken id="79F0AEB7A295BFA517BE522180FA86CB" originalValue="±">+/-</normalizedToken>
|
||
5, n = 6) wide, extending from anterior margin of proglottid to anterior quarter of ovary; arranged in 5-6 columns anteroposteriorly and 2 layers deep in cross-section observed in anterior portion of proglottid (Figs
|
||
<figureCitation id="BC6C7A913474017D57D82A3602117089" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4C</figureCitation>
|
||
,
|
||
<figureCitation id="A823F2D7ADFC2FF9551564E8B976590A" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Light micrographs of cross-sections of mature proglottids of species of Rockacestus off Argentina. A-C. Rockacestus blasi sp. nov.; A. At the level of the testes, anterior to the cirrus sac; B. At the level of the cirrus sac; C. At the level of ovarian isthmus; D-F. Rockacestus magellanicus sp. nov.; D. At the level of the testes, anterior to the cirrus sac; E. At the level of the cirrus sac; F. At the level of ovarian isthmus; G-I. Rockacestus ottavianoi sp. nov; G. At the level of the testes, anterior to the cirrus sac; H. At the level of the cirrus sac; I. At the level of ovarian isthmus; cs - cirrus sac; oc - ovicapt; ov - ovary; sr - seminal receptacle; t - testes; u - uterus; ut - uteroduct; vd - vas deferens; vf - vitelline follicle; vg - vagina; vod - ventral osmoregulatory duct." figureDoi="10.3897/zse.100.117956.figure7" httpUri="https://binary.pensoft.net/fig/1014945" pageId="0" pageNumber="357">7D</figureCitation>
|
||
). Cirrus sac oval, curved anteriorly, 200-340 (269
|
||
<normalizedToken id="F0C01EB5D3903777D121B537ABB05907" originalValue="±">+/-</normalizedToken>
|
||
58, n = 6) long, 95-140 (118
|
||
<normalizedToken id="050BD07838DADF29CB93AA5EA2C0BD07" originalValue="±">+/-</normalizedToken>
|
||
18, n = 6) wide. Cirrus coiled, armed with minute spinitriches. Vas deferens highly coiled, extending anteriorly to vagina bend, overlapping medial margin of cirrus sac, entering cirrus sac through ventral margin (Figs
|
||
<figureCitation id="649E0DB01804796BEAAA6DCA89F09E3D" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4C</figureCitation>
|
||
,
|
||
<figureCitation id="0AADC76B0FFB835AF5A1D03DE986FB18" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Light micrographs of cross-sections of mature proglottids of species of Rockacestus off Argentina. A-C. Rockacestus blasi sp. nov.; A. At the level of the testes, anterior to the cirrus sac; B. At the level of the cirrus sac; C. At the level of ovarian isthmus; D-F. Rockacestus magellanicus sp. nov.; D. At the level of the testes, anterior to the cirrus sac; E. At the level of the cirrus sac; F. At the level of ovarian isthmus; G-I. Rockacestus ottavianoi sp. nov; G. At the level of the testes, anterior to the cirrus sac; H. At the level of the cirrus sac; I. At the level of ovarian isthmus; cs - cirrus sac; oc - ovicapt; ov - ovary; sr - seminal receptacle; t - testes; u - uterus; ut - uteroduct; vd - vas deferens; vf - vitelline follicle; vg - vagina; vod - ventral osmoregulatory duct." figureDoi="10.3897/zse.100.117956.figure7" httpUri="https://binary.pensoft.net/fig/1014945" pageId="0" pageNumber="357">7E</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="0444DE07FA81F1CEE984BEE4A46B59A9" pageId="0" pageNumber="357">
|
||
Ovary lobulated, H-shaped in frontal view, X-shaped in cross-section at level of isthmus, 255-615 (418
|
||
<normalizedToken id="E6EF8A59B9F7D7C74B4FB885832827A3" originalValue="±">+/-</normalizedToken>
|
||
135, n = 6) long, 163-375 (246
|
||
<normalizedToken id="6A9E3581673D7ABC42BE07468AC6C4F7" originalValue="±">+/-</normalizedToken>
|
||
75, n = 6) wide (Figs
|
||
<figureCitation id="37518F329B0773C47FCC67682B7AFA75" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4B, C</figureCitation>
|
||
,
|
||
<figureCitation id="613C2C90C0199373DB968D8A2E381656" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Light micrographs of cross-sections of mature proglottids of species of Rockacestus off Argentina. A-C. Rockacestus blasi sp. nov.; A. At the level of the testes, anterior to the cirrus sac; B. At the level of the cirrus sac; C. At the level of ovarian isthmus; D-F. Rockacestus magellanicus sp. nov.; D. At the level of the testes, anterior to the cirrus sac; E. At the level of the cirrus sac; F. At the level of ovarian isthmus; G-I. Rockacestus ottavianoi sp. nov; G. At the level of the testes, anterior to the cirrus sac; H. At the level of the cirrus sac; I. At the level of ovarian isthmus; cs - cirrus sac; oc - ovicapt; ov - ovary; sr - seminal receptacle; t - testes; u - uterus; ut - uteroduct; vd - vas deferens; vf - vitelline follicle; vg - vagina; vod - ventral osmoregulatory duct." figureDoi="10.3897/zse.100.117956.figure7" httpUri="https://binary.pensoft.net/fig/1014945" pageId="0" pageNumber="357">7F</figureCitation>
|
||
). Vagina thick-walled, extending anteriorly from ootype region forming a seminal receptacle to bulk of vas deferens, then descending laterally along anterior margin of cirrus sac to enter genital atrium anterior to cirrus (Figs
|
||
<figureCitation id="B60ECFEEEA5AD1C439216F4E8BEF4766" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4C</figureCitation>
|
||
,
|
||
<figureCitation id="89604B44D96250C5E7E9AA3EC0D445CD" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Light micrographs of cross-sections of mature proglottids of species of Rockacestus off Argentina. A-C. Rockacestus blasi sp. nov.; A. At the level of the testes, anterior to the cirrus sac; B. At the level of the cirrus sac; C. At the level of ovarian isthmus; D-F. Rockacestus magellanicus sp. nov.; D. At the level of the testes, anterior to the cirrus sac; E. At the level of the cirrus sac; F. At the level of ovarian isthmus; G-I. Rockacestus ottavianoi sp. nov; G. At the level of the testes, anterior to the cirrus sac; H. At the level of the cirrus sac; I. At the level of ovarian isthmus; cs - cirrus sac; oc - ovicapt; ov - ovary; sr - seminal receptacle; t - testes; u - uterus; ut - uteroduct; vd - vas deferens; vf - vitelline follicle; vg - vagina; vod - ventral osmoregulatory duct." figureDoi="10.3897/zse.100.117956.figure7" httpUri="https://binary.pensoft.net/fig/1014945" pageId="0" pageNumber="357">7F</figureCitation>
|
||
). Vagina and cirrus sac join into genital atrium, 40-60 (53
|
||
<normalizedToken id="D8CC79337DE2F05BD5F90F3634C8FA57" originalValue="±">+/-</normalizedToken>
|
||
12, n = 3) deep. Genital pores alternate irregularly, 62-75% (68
|
||
<normalizedToken id="64ACFC0B7533D7D98641E698A00324B9" originalValue="±">+/-</normalizedToken>
|
||
5, n = 6) of proglottid length from posterior margin of proglottid.
|
||
</paragraph>
|
||
<paragraph id="A27C4AA5570154F69D5C1801F5318D7F" pageId="0" pageNumber="357">
|
||
Vitellarium follicular, follicles irregular in shape, 15-34 (26
|
||
<normalizedToken id="E61395ABCCBC56E5A4B178FD7889DAFD" originalValue="±">+/-</normalizedToken>
|
||
7, n = 6) long, 38-55 (47
|
||
<normalizedToken id="E1BCE562D050BB5F8AB58693AF10D39B" originalValue="±">+/-</normalizedToken>
|
||
6, n = 6) wide, arranged in 2 lateral bands almost reaching midline in anterior third of proglottid, each band consisting of multiple columns (4 columns of follicles anterior to cirrus sac), extending throughout proglottid length, uninterrupted by ovary, partially interrupted by genital atrium (Figs
|
||
<figureCitation id="E05F80826E9A31AF257E5ECFBE0E5244" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4C</figureCitation>
|
||
,
|
||
<figureCitation id="FD809EDE7B8FC90B160140826FD6BF92" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Light micrographs of cross-sections of mature proglottids of species of Rockacestus off Argentina. A-C. Rockacestus blasi sp. nov.; A. At the level of the testes, anterior to the cirrus sac; B. At the level of the cirrus sac; C. At the level of ovarian isthmus; D-F. Rockacestus magellanicus sp. nov.; D. At the level of the testes, anterior to the cirrus sac; E. At the level of the cirrus sac; F. At the level of ovarian isthmus; G-I. Rockacestus ottavianoi sp. nov; G. At the level of the testes, anterior to the cirrus sac; H. At the level of the cirrus sac; I. At the level of ovarian isthmus; cs - cirrus sac; oc - ovicapt; ov - ovary; sr - seminal receptacle; t - testes; u - uterus; ut - uteroduct; vd - vas deferens; vf - vitelline follicle; vg - vagina; vod - ventral osmoregulatory duct." figureDoi="10.3897/zse.100.117956.figure7" httpUri="https://binary.pensoft.net/fig/1014945" pageId="0" pageNumber="357">7D-F</figureCitation>
|
||
). Uterus saccate, restricted to region between ovary and cirrus sac, running anteriorly up to genital pore level; uterine duct observed (Figs
|
||
<figureCitation id="9689D25B1F01A4086F9D89429CECE213" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4C</figureCitation>
|
||
,
|
||
<figureCitation id="12716E3C3A57CBD608ACDD19FB2EC0E4" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Light micrographs of cross-sections of mature proglottids of species of Rockacestus off Argentina. A-C. Rockacestus blasi sp. nov.; A. At the level of the testes, anterior to the cirrus sac; B. At the level of the cirrus sac; C. At the level of ovarian isthmus; D-F. Rockacestus magellanicus sp. nov.; D. At the level of the testes, anterior to the cirrus sac; E. At the level of the cirrus sac; F. At the level of ovarian isthmus; G-I. Rockacestus ottavianoi sp. nov; G. At the level of the testes, anterior to the cirrus sac; H. At the level of the cirrus sac; I. At the level of ovarian isthmus; cs - cirrus sac; oc - ovicapt; ov - ovary; sr - seminal receptacle; t - testes; u - uterus; ut - uteroduct; vd - vas deferens; vf - vitelline follicle; vg - vagina; vod - ventral osmoregulatory duct." figureDoi="10.3897/zse.100.117956.figure7" httpUri="https://binary.pensoft.net/fig/1014945" pageId="0" pageNumber="357">7F</figureCitation>
|
||
).
|
||
<normalizedToken id="7CC5F4BB6C33F5D49E0D5E2042192D85" originalValue="Mehlis´">Mehlis'</normalizedToken>
|
||
gland, 55-110 (77
|
||
<normalizedToken id="B3DBC71578D997AF556CE2EB3DDB445F" originalValue="±">+/-</normalizedToken>
|
||
20, n = 5) long, 55-75 (71
|
||
<normalizedToken id="11BEF9A59AF9AC5B49FA961EE15C6843" originalValue="±">+/-</normalizedToken>
|
||
9, n = 5) wide, posterior to ovarian isthmus (Fig.
|
||
<figureCitation id="AD917AC18141F97F335F89E074E11CE6" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4B, C</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="B4B6E17F1343655C510CF1599A7F04A6" pageId="0" pageNumber="357">
|
||
Detached mature proglottids, 1,650-2,075 (1,875
|
||
<normalizedToken id="2C00E181F1EAB8C5E13F09568843C9C7" originalValue="±">+/-</normalizedToken>
|
||
207, n = 5) long, 550-770 (654
|
||
<normalizedToken id="6035E79D538D68E942495670924DAAF4" originalValue="±">+/-</normalizedToken>
|
||
99, n = 5) wide, length-to-width ratio, 2.7-3.2 (2.9
|
||
<normalizedToken id="A6EF3CCFC22BF7641812F6C502736E5D" originalValue="±">+/-</normalizedToken>
|
||
0.2, n = 5): 1. Detached gravid proglottids, 2,300-2,525 (2,392
|
||
<normalizedToken id="D53B624E1E1E27371A6D9A6FF9256D91" originalValue="±">+/-</normalizedToken>
|
||
118, n = 3) long, 725-775 (758
|
||
<normalizedToken id="50896D42D21EBC36760E6E3B7E219888" originalValue="±">+/-</normalizedToken>
|
||
29, n = 3) wide, length-to-width ratio, 3.0-3.3 (3.2
|
||
<normalizedToken id="0C215E455E84BACAF36C956647E3BFDE" originalValue="±">+/-</normalizedToken>
|
||
0.1): 1.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="F0420598D1EA7C0EEB66156C0459EBBD" pageId="0" pageNumber="357" type="host">
|
||
<paragraph id="5AD6AFEBD63A02E47B9E4ECA741C3CB0" pageId="0" pageNumber="357">Host.</paragraph>
|
||
<paragraph id="822A59B07D04C1ED3ECC3C7EAF946CA5" pageId="0" pageNumber="357">
|
||
<taxonomicName id="EC332D9E6FB82A0FF84538F834DF133F" baseAuthorityName="Philippi" baseAuthorityYear="1902" class="Chondrichthyes" family="Arhynchobatidae" genus="Bathyraja" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bathyraja magellanica" order="Rajiformes" pageId="0" pageNumber="357" phylum="Chordata" rank="species" species="magellanica">
|
||
<emphasis id="5BF80A0EFF1D9E13560F892B1F4D7082" italics="true" pageId="0" pageNumber="357">Bathyraja magellanica</emphasis>
|
||
</taxonomicName>
|
||
(Philippi, 1902), Magellan skate (
|
||
<taxonomicName id="F94882A140FE186D39A0A827BFA001AF" class="Chondrichthyes" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="" order="Rajiformes" pageId="0" pageNumber="357" phylum="Chordata" rank="order">Rajiformes</taxonomicName>
|
||
,
|
||
<taxonomicName id="D6E46531F390E4B94B9D990068E65113" class="Elasmobranchii" family="Arhynchobatidae" kingdom="Animalia" lsidName="" order="Rajiformes" pageId="0" pageNumber="357" phylum="Chordata" rank="family">Arhynchobatidae</taxonomicName>
|
||
) (type host). Prevalence of infection, 40% in
|
||
<taxonomicName id="EE8ED61B0FCCFB66A7BCDB65BE80A70E" lsidName="B. magellanica" pageId="0" pageNumber="357" rank="species" species="magellanica">
|
||
<emphasis id="CE8FF90AEA3A1B3A67EF6F567FAA9830" italics="true" pageId="0" pageNumber="357">B. magellanica</emphasis>
|
||
</taxonomicName>
|
||
(4 hosts infected out of 10 examined).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="6CC743B99BD3438C8087919EB04F0358" pageId="0" pageNumber="357" type="etymology">
|
||
<paragraph id="1EB96AC6D9063881B9DED6C740AA5DE6" pageId="0" pageNumber="357">Etymology.</paragraph>
|
||
<paragraph id="D76B9FB2F2542707FA24C9F5CABB4C3F" pageId="0" pageNumber="357">The specific name refers to the species distribution along the Magellanic Province in the Argentine Sea, SWA.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="14050FE589A605BF4C4A0C645306F6CA" pageId="0" pageNumber="357" type="distribution">
|
||
<paragraph id="A4225FA1ABB27A71DF1F0DC3EDF86097" pageId="0" pageNumber="357">Distribution.</paragraph>
|
||
<paragraph id="DE7113E77B0292071F410A13C93DA4D5" pageId="0" pageNumber="357">
|
||
This species is known from southern waters off Tierra del Fuego Province, Argentina including the Marine Protected Area
|
||
<normalizedToken id="A2975FFF34FB5BFD2B8C7A4F4F9813DD" originalValue="Namuncurá">Namuncura</normalizedToken>
|
||
/Burdwood Bank, Argentina (Fig.
|
||
<figureCitation id="3F9C1B8A6A3DCB63C248879C5D8360B9" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Geographic distribution of the valid species of Rockacestus from the Southern Hemisphere. Symbols: red dot: new records; blue dot: previous records; Rar - Rockacestus arctowskii; Rbl - Rockacestus blasi sp. nov.; Rca - Rockacestus carvajali; Rco - Rockacestus conchai; Rge - Rockacestus georgiensis; Rma - Rockacestus magellanicus sp. nov.; Rot - Rockacestus ottavianoi sp. nov.; Rra - Rockacestus rakusai; Rsi - Rockacestus siedleckii." figureDoi="10.3897/zse.100.117956.figure9" httpUri="https://binary.pensoft.net/fig/1014947" pageId="0" pageNumber="357">9</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="E32ABEC976619042437270774B04A615" pageId="0" pageNumber="357" type="remarks">
|
||
<paragraph id="D13907126EE0AB9B5161116B94724B4C" pageId="0" pageNumber="357">Remarks.</paragraph>
|
||
<paragraph id="CF4C82DA5EF2092F53A8FE1B0520AD5F" pageId="0" pageNumber="357">
|
||
<taxonomicName id="8CFFD65FB6492784E02CC26E6238213D" authorityName="García Facal & Ivanov & Menoret" authorityYear="2024" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus magellanicus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="magellanicus">
|
||
<emphasis id="3D85239798780E3C7E4318D2907B012D" italics="true" pageId="0" pageNumber="357">Rockacestus magellanicus</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. is shorter than
|
||
<taxonomicName id="4923BAD8D43AAAAE414243B5B0788B6D" class="Cestoda" kingdom="Animalia" lsidName="R. blasi" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="blasi">
|
||
<emphasis id="937252D8DBDEEEFF54F64FE1C6ABFBBF" italics="true" pageId="0" pageNumber="357">R. blasi</emphasis>
|
||
</taxonomicName>
|
||
sp. nov.,
|
||
<taxonomicName id="1854DE9C96157A239469FD47EFE1EBE9" class="Cestoda" kingdom="Animalia" lsidName="R. brittanicus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="brittanicus">
|
||
<emphasis id="AFDE204175D9CCE2929180D82C028E71" italics="true" pageId="0" pageNumber="357">R. brittanicus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="72590AEC75C095F478C5B06C4B6881A2" class="Cestoda" kingdom="Animalia" lsidName="R. georgiensis" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="georgiensis">
|
||
<emphasis id="70197D2006203110ABD8640BF2AB6278" italics="true" pageId="0" pageNumber="357">R. georgiensis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="30EDA1861F1FDD4F6E725082827947C9" class="Cestoda" kingdom="Animalia" lsidName="R. piriei" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="piriei">
|
||
<emphasis id="7FF54C7E6B7399E0AE70619B45679886" italics="true" pageId="0" pageNumber="357">R. piriei</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="37A85745730AEEF2D31785B8E1912B5D" class="Cestoda" kingdom="Animalia" lsidName="R. radioductus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="radioductus">
|
||
<emphasis id="D6703383894FC7039E28C5F16EEB6624" italics="true" pageId="0" pageNumber="357">R. radioductus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="58EDE7C48F4C2A9EEB64B8D38FD771C1" class="Cestoda" kingdom="Animalia" lsidName="R. rakusai" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="rakusai">
|
||
<emphasis id="CF5D42D272AD06B93F445F47B636C401" italics="true" pageId="0" pageNumber="357">R. rakusai</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="F7CC41FE5B99538879A727F2B1B5D04D" class="Cestoda" kingdom="Animalia" lsidName="R. siedleckii" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="siedleckii">
|
||
<emphasis id="620EF8F479B90401CDC804236FEEAD44" italics="true" pageId="0" pageNumber="357">R. siedleckii</emphasis>
|
||
</taxonomicName>
|
||
, and
|
||
<taxonomicName id="E6F3ADF41B8C53CC614C844CE074B4DF" class="Cestoda" kingdom="Animalia" lsidName="R. williamsi" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="williamsi">
|
||
<emphasis id="F4FD1DB2A48E95CD21BD82DFC4B86FDC" italics="true" pageId="0" pageNumber="357">R. williamsi</emphasis>
|
||
</taxonomicName>
|
||
(9.9-19.5 vs. 22.3-250 mm in total length, respectively). Specimens of
|
||
<taxonomicName id="04976B4B859CA0DCD77198F476D53F6C" class="Cestoda" kingdom="Animalia" lsidName="R. magellanicus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="magellanicus">
|
||
<emphasis id="4E79F67B06F10F30C0817A26AC928DD7" italics="true" pageId="0" pageNumber="357">R. magellanicus</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. have fewer testes than those of
|
||
<taxonomicName id="135A48F1DF1CC0F8A0677A9C32AB6C97" class="Cestoda" kingdom="Animalia" lsidName="R. carvajali" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="carvajali">
|
||
<emphasis id="224D53C4810790965B0F9A7B9F2DAFAF" italics="true" pageId="0" pageNumber="357">R. carvajali</emphasis>
|
||
</taxonomicName>
|
||
(67-89 vs. 46-55, respectively). Moreover,
|
||
<taxonomicName id="503AB5BC9D307198DA43C054AB75F13B" class="Cestoda" kingdom="Animalia" lsidName="R. magellanicus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="magellanicus">
|
||
<emphasis id="BC6DF76E6312D9F03946D0B5794A279E" italics="true" pageId="0" pageNumber="357">R. magellanicus</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. has lingulate spinitriches and acicular filitriches on the distal surface of the bothridia whereas
|
||
<taxonomicName id="4577CA0F0AC9EEE6D46145511DF84706" class="Cestoda" kingdom="Animalia" lsidName="R. carvajali" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="carvajali">
|
||
<emphasis id="489BD422762B1DEC1237D989171085F2" italics="true" pageId="0" pageNumber="357">R. carvajali</emphasis>
|
||
</taxonomicName>
|
||
has only papilliform filitriches.
|
||
<taxonomicName id="5A80CA79739FDC2973F6F3A80CD86A03" authorityName="García Facal & Ivanov & Menoret" authorityYear="2024" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus magellanicus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="magellanicus">
|
||
<emphasis id="3717A5B9E9FA5620D16DBE032366BE5A" italics="true" pageId="0" pageNumber="357">Rockacestus magellanicus</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. differs from
|
||
<taxonomicName id="A0DBA35C542B4D3EA59518173637C731" class="Cestoda" kingdom="Animalia" lsidName="R. conchai" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="conchai">
|
||
<emphasis id="3E466298A7749844C937B90E9C535E3E" italics="true" pageId="0" pageNumber="357">R. conchai</emphasis>
|
||
</taxonomicName>
|
||
in the scolex width (779-1,050 vs. 1,122-1,775, respectively), size of bothridia (450-471 long by 411-550 wide vs. 478-624 long by 600-830 wide, respectively). Additionally,
|
||
<taxonomicName id="5E10DD870EA171025BB7BEC25E45DC15" class="Cestoda" kingdom="Animalia" lsidName="R. magellanicus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="magellanicus">
|
||
<emphasis id="795A0617888EEC5BD1F505F68C4E540B" italics="true" pageId="0" pageNumber="357">R. magellanicus</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. has acicular filitriches and small lingulate spinitriches on the distal surface of apical sucker whereas
|
||
<taxonomicName id="D2928BE1A4E85CCC9A4C98F96EE60747" class="Cestoda" kingdom="Animalia" lsidName="R. conchai" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="conchai">
|
||
<emphasis id="240033E3F4FF23EDD65D17E678A3C78C" italics="true" pageId="0" pageNumber="357">R. conchai</emphasis>
|
||
</taxonomicName>
|
||
only has acicular filitriches.
|
||
<taxonomicName id="BDABB203F79878D90F3FEBF56C430A0B" authorityName="García Facal & Ivanov & Menoret" authorityYear="2024" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus magellanicus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="magellanicus">
|
||
<emphasis id="7309345963F632354CC6BA6E04C38333" italics="true" pageId="0" pageNumber="357">Rockacestus magellanicus</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. is different from
|
||
<taxonomicName id="1E63A3E009F10DC1B801089FBE66BADE" class="Cestoda" kingdom="Animalia" lsidName="R. arctowskii" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="arctowskii">
|
||
<emphasis id="0A11C9F342D285541D789B024AA66E75" italics="true" pageId="0" pageNumber="357">R. arctowskii</emphasis>
|
||
</taxonomicName>
|
||
in the size of the cirrus sac (200-340 long by 95-140 wide vs. 370-480 long by 154-215 wide, respectively) and in the size of the apical sucker (70-105 long by 70-100 wide vs. 212-250 in diameter, respectively).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |