217 lines
26 KiB
XML
217 lines
26 KiB
XML
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<mods:title id="3D4C39320894CBD17CA6D3F7B22407C6">Emerging global novelty in phyllobothriidean tapeworms (Cestoda: Phyllobothriidea) from sharks and skates (Elasmobranchii)</mods:title>
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<mods:namePart id="17F7AFE8D22E1E76D74864C9CB48D2D9">Caira, Janine N.</mods:namePart>
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<mods:namePart id="AFBDFC4508611E90ABF87ED6A2B5B884">Bueno, Veronica</mods:namePart>
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<mods:namePart id="233BF22B252750965F8E3BFF090A5B0A">Jensen, Kirsten</mods:namePart>
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<mods:date id="D26D0E0D034431E3E9AC3F61C180ECEA">2021</mods:date>
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<treatment id="03F92F0ABE40FFF8FC13FE78FEBE5FCB" ID-DOI="http://doi.org/10.5281/zenodo.5770086" ID-GBIF-Taxon="191139089" ID-Zenodo-Dep="5770086" LSID="urn:lsid:plazi:treatment:03F92F0ABE40FFF8FC13FE78FEBE5FCB" httpUri="http://treatment.plazi.org/id/03F92F0ABE40FFF8FC13FE78FEBE5FCB" lastPageId="15" lastPageNumber="1350" pageId="14" pageNumber="1350">
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<subSubSection id="C34ACD97BE40FFF9FC13FE78FB135F54" pageId="14" pageNumber="1350" type="nomenclature">
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<paragraph id="8BEF9E1CBE40FFF9FC13FE78FB135F54" blockId="14.[896,1374,481,536]" pageId="14" pageNumber="1350">
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<heading id="D0A72970BE40FFF9FC13FE78FB135F54" centered="true" fontSize="9" level="2" pageId="14" pageNumber="1350" reason="4">
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<taxonomicName id="4C50E59FBE40FFF9FC13FE78FB8D5F5B" ID-CoL="8T6TK" authority="(MOLIN, 1858)" kingdom="Animalia" pageId="14" pageNumber="1350" rank="species">
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<emphasis id="B924420EBE40FFF9FC13FE78FB305CB4" bold="true" box="[896,1275,481,504]" italics="true" pageId="14" pageNumber="1350">YAMAGUTICESTUS LONGICOLLIS</emphasis>
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(MOLIN, 1858)
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</taxonomicName>
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<emphasis id="B924420EBE40FFF9FBDEFD9AFB135F54" bold="true" box="[1101,1240,511,535]" pageId="14" pageNumber="1350">COMB. NOV.</emphasis>
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</heading>
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<subSubSection id="C34ACD97BE40FFF9FCDCFDB2FB255F20" pageId="14" pageNumber="1350" type="reference_group">
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<paragraph id="8BEF9E1CBE40FFF9FCDCFDB2FB255F20" blockId="14.[847,1422,555,611]" pageId="14" pageNumber="1350">
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BASIONYM:
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<taxonomicName id="4C50E59FBE40FFF9FC47FDB5FBE65F20" authorityName="Blainville" authorityYear="1828" class="Cestoda" family="Tetrabothriidae" genus="Tetrabothrium" kingdom="Animalia" order="Tetrabothriidea" pageId="14" pageNumber="1350" phylum="Platyhelminthes" rank="species" species="lewini">
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<emphasis id="B924420EBE40FFF9FC47FDB5FAF85F00" box="[980,1331,556,579]" italics="true" pageId="14" pageNumber="1350">TETRABOTHRIUM LONGICOLLIS</emphasis>
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MOLIN, 1858,
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</taxonomicName>
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<collectingCountry id="F347DE8CBE40FFF9FBA6FDD7FB9B5F21" box="[1077,1104,590,610]" name="American Samoa" pageId="14" pageNumber="1350">AS</collectingCountry>
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‘
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<taxonomicName id="4C50E59FBE40FFF9FBC8FDD7FB225F21" ID-CoL="6BHJ8" authorityName="Euzet" authorityYear="1959" baseAuthorityName="Molin" baseAuthorityYear="1858" box="[1115,1257,590,610]" class="Cestoda" family="Phyllobothriidae" genus="Crossobothrium" kingdom="Animalia" order="Phyllobothriidea" pageId="14" pageNumber="1350" phylum="Platyhelminthes" rank="species" species="longicolle">
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<emphasis id="B924420EBE40FFF9FBC8FDD7FB225F21" box="[1115,1257,590,610]" italics="true" pageId="14" pageNumber="1350">LONGICOLLE</emphasis>
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</taxonomicName>
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’
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</paragraph>
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</subSubSection>
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<subSubSection id="C34ACD97BE40FFF8FCA8FDEAFEBE5FCB" lastPageId="15" lastPageNumber="1351" pageId="14" pageNumber="1350" type="discussion">
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<paragraph id="8BEF9E1CBE40FFF9FCA8FDEAFBFD5868" blockId="14.[827,1443,626,1906]" pageId="14" pageNumber="1350">
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A detailed account of the taxonomic history of
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<taxonomicName id="4C50E59FBE40FFF9FCA8FD0BFC195FE5" authorityName="Caira & Bueno & Jensen" authorityYear="2021" baseAuthorityName="Molin" baseAuthorityYear="1858" box="[827,978,657,679]" class="Cestoda" family="Phyllobothriidae" genus="Yamaguticestus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllobothriidea" pageId="14" pageNumber="1350" phylum="Platyhelminthes" rank="species" species="longicollis">
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<emphasis id="B924420EBE40FFF9FCA8FD0BFC195FE5" box="[827,978,657,679]" italics="true" pageId="14" pageNumber="1350">Y. longicollis</emphasis>
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</taxonomicName>
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was provided by
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<bibRefCitation id="EFC1E3EDBE40FFF9FB35FD08FA9D5FE4" author="Ruhnke TR" box="[1190,1366,657,679]" pageId="14" pageNumber="1350" pagination="1 - 208" refId="ref19107" refString="Ruhnke TR. 2011. A monograph on the Phyllobothriidae (Platyhelminthes, Cestoda). Bulletin of the University of Nebraska State Museum 25: i - xii, 1 - 208." type="journal article" year="2011">Ruhnke (2011)</bibRefCitation>
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in his monograph on the
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<taxonomicName id="4C50E59FBE40FFF9FB8EFD29FB2C5F85" authorityName="Braun" authorityYear="1900" box="[1053,1255,688,710]" class="Cestoda" family="Phyllobothriidae" kingdom="Animalia" order="Phyllobothriidea" pageId="14" pageNumber="1350" phylum="Platyhelminthes" rank="family">Phyllobothriidae</taxonomicName>
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. Given the lack of figures and the brevity of the original description by Molin (1858),
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<bibRefCitation id="EFC1E3EDBE40FFF9FBB1FD74FB2F5E40" author="Ruhnke TR" box="[1058,1252,749,771]" pageId="14" pageNumber="1350" pagination="1 - 208" refId="ref19107" refString="Ruhnke TR. 2011. A monograph on the Phyllobothriidae (Platyhelminthes, Cestoda). Bulletin of the University of Nebraska State Museum 25: i - xii, 1 - 208." type="journal article" year="2011">Ruhnke (2011)</bibRefCitation>
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discussed the redescription and associated specimens of
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<bibRefCitation id="EFC1E3EDBE40FFF9FAC8FC95FC435E03" author="Euzet L" pageId="14" pageNumber="1350" refId="ref18112" refString="Euzet L. 1959. Recherches sur les cestodes tetraphyllides des selaciens des cotes de France. Unpublished Docteur des Sciences Naturelles Thesis, Universite de Montpellier." type="book" year="1959">Euzet (1959)</bibRefCitation>
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from the
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<typeStatus id="54EB20BEBE40FFF9FB9FFCB2FB8A5E03" box="[1036,1089,811,832]" pageId="14" pageNumber="1350">type</typeStatus>
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host,
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<taxonomicName id="4C50E59FBE40FFF9FB00FCB3FBC85E1C" authority="(Linnaeus, 1758)" baseAuthorityName="Linnaeus" baseAuthorityYear="1758" class="Elasmobranchii" family="Scyliorhinidae" genus="Scyliorhinus" kingdom="Animalia" order="Carcharhiniformes" pageId="14" pageNumber="1350" phylum="Chordata" rank="species" species="stellaris">
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<emphasis id="B924420EBE40FFF9FB00FCB3FA685E7C" box="[1171,1443,810,831]" italics="true" pageId="14" pageNumber="1350">Scyliorhinus stellaris</emphasis>
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(Linnaeus, 1758)
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</taxonomicName>
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, and included photomicrographs of one of Euzet’s specimens (
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<collectingRegion id="499450FEBE40FFF9FBFCFCF1FB0D5E3E" box="[1135,1222,872,893]" country="Ireland" name="Monaghan" pageId="14" pageNumber="1350">MNHN</collectingRegion>
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HEL 138). In that work,
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<bibRefCitation id="EFC1E3EDBE40FFF9FC10FC1FFBFB5EDE" author="Ruhnke TR" box="[899,1072,902,925]" pageId="14" pageNumber="1350" pagination="1 - 208" refId="ref19107" refString="Ruhnke TR. 2011. A monograph on the Phyllobothriidae (Platyhelminthes, Cestoda). Bulletin of the University of Nebraska State Museum 25: i - xii, 1 - 208." type="journal article" year="2011">Ruhnke (2011)</bibRefCitation>
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treated this species as
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<emphasis id="B924420EBE40FFF9FAD5FC1EFCB35EF9" italics="true" pageId="14" pageNumber="1350">incertae sedis</emphasis>
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under the name
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<taxonomicName id="4C50E59FBE40FFF9FBCAFC3CFBBE5E99" authority="(Molin, 1858) Euzet, 1959" authorityName="Euzet" authorityYear="1959" baseAuthorityName="Molin" baseAuthorityYear="1858" class="Cestoda" family="Phyllobothriidae" genus="Crossobothrium" kingdom="Animalia" order="Phyllobothriidea" pageId="14" pageNumber="1350" phylum="Platyhelminthes" rank="species" species="longicolle">
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<emphasis id="B924420EBE40FFF9FBCAFC3CFA685EF9" box="[1113,1443,933,954]" italics="true" pageId="14" pageNumber="1350">Crossobothrium longicolle</emphasis>
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(Molin, 1858)
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<bibRefCitation id="EFC1E3EDBE40FFF9FC77FC5DFBBE5E99" author="Euzet L" box="[996,1141,964,986]" pageId="14" pageNumber="1350" refId="ref18112" refString="Euzet L. 1959. Recherches sur les cestodes tetraphyllides des selaciens des cotes de France. Unpublished Docteur des Sciences Naturelles Thesis, Universite de Montpellier." type="book" year="1959">Euzet, 1959</bibRefCitation>
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</taxonomicName>
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, noting that, although it failed to conform to the diagnosis of
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<taxonomicName id="4C50E59FBE40FFF9FB7BFC7BFA695EB4" authorityName="Linton" authorityYear="1889" box="[1256,1442,994,1015]" class="Cestoda" family="Phyllobothriidae" genus="Crossobothrium" kingdom="Animalia" order="Phyllobothriidea" pageId="14" pageNumber="1350" phylum="Platyhelminthes" rank="genus">
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<emphasis id="B924420EBE40FFF9FB7BFC7BFA695EB4" box="[1256,1442,994,1015]" italics="true" pageId="14" pageNumber="1350">Crossobothrium</emphasis>
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</taxonomicName>
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and in fact resembled
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<taxonomicName id="4C50E59FBE40FFF9FBD4FB9BFB665955" authorityName="Williams" authorityYear="1968" baseAuthorityName="Yamaguti" baseAuthorityYear="1952" box="[1095,1197,1025,1047]" class="Cestoda" family="Phyllobothriidae" genus="Crossobothrium" kingdom="Animalia" order="Phyllobothriidea" pageId="14" pageNumber="1350" phylum="Platyhelminthes" rank="species" species="squali">
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<emphasis id="B924420EBE40FFF9FBD4FB9BFB665955" box="[1095,1197,1025,1047]" italics="true" pageId="14" pageNumber="1350">P. squali</emphasis>
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</taxonomicName>
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, a more appropriate generic home was unavailable at that time. This species as redescribed by
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<bibRefCitation id="EFC1E3EDBE40FFF9FB5AFBA6FAA25917" author="Euzet L" box="[1225,1385,1086,1108]" pageId="14" pageNumber="1350" refId="ref18112" refString="Euzet L. 1959. Recherches sur les cestodes tetraphyllides des selaciens des cotes de France. Unpublished Docteur des Sciences Naturelles Thesis, Universite de Montpellier." type="book" year="1959">Euzet (1959)</bibRefCitation>
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and characterized by
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<bibRefCitation id="EFC1E3EDBE40FFF9FB9EFBC4FB0B5930" author="Ruhnke TR" box="[1037,1216,1117,1139]" pageId="14" pageNumber="1350" pagination="1 - 208" refId="ref19107" refString="Ruhnke TR. 2011. A monograph on the Phyllobothriidae (Platyhelminthes, Cestoda). Bulletin of the University of Nebraska State Museum 25: i - xii, 1 - 208." type="journal article" year="2011">Ruhnke (2011)</bibRefCitation>
|
||
is fully consistent with the concept of
|
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<taxonomicName id="4C50E59FBE40FFF9FBB9FBE5FB2E59D2" authorityName="Caira & Bueno & Jensen" authorityYear="2021" box="[1066,1253,1148,1169]" class="Cestoda" family="Phyllobothriidae" genus="Yamaguticestus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllobothriidea" pageId="14" pageNumber="1350" phylum="Platyhelminthes" rank="genus">
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||
<emphasis id="B924420EBE40FFF9FBB9FBE5FB2E59D2" box="[1066,1253,1148,1169]" italics="true" pageId="14" pageNumber="1350">Yamaguticestus</emphasis>
|
||
</taxonomicName>
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||
advanced here. We hereby transfer this species to the new genus as
|
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<taxonomicName id="4C50E59FBE40FFF9FCA8FB23FBB2598D" authorityName="Caira & Bueno & Jensen" authorityYear="2021" baseAuthorityName="Molin" baseAuthorityYear="1858" box="[827,1145,1209,1231]" class="Cestoda" family="Phyllobothriidae" genus="Yamaguticestus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllobothriidea" pageId="14" pageNumber="1350" phylum="Platyhelminthes" rank="species" species="longicollis">
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<emphasis id="B924420EBE40FFF9FCA8FB23FBB2598D" box="[827,1145,1209,1231]" italics="true" pageId="14" pageNumber="1350">Yamaguticestus longicollis</emphasis>
|
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</taxonomicName>
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. It differs conspicuously from
|
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<taxonomicName id="4C50E59FBE40FFF9FCEFFB41FC2E59AE" authorityName="Williams" authorityYear="1968" baseAuthorityName="Yamaguti" baseAuthorityYear="1952" box="[892,997,1240,1261]" class="Cestoda" family="Phyllobothriidae" genus="Crossobothrium" kingdom="Animalia" order="Phyllobothriidea" pageId="14" pageNumber="1350" phylum="Platyhelminthes" rank="species" species="squali">
|
||
<emphasis id="B924420EBE40FFF9FCEFFB41FC2E59AE" box="[892,997,1240,1261]" italics="true" pageId="14" pageNumber="1350">Y. squali</emphasis>
|
||
</taxonomicName>
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in its possession of a smaller scolex that is much longer than wide (600–800 by 300–400 vs.
|
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<quantity id="4CA833F9BE40FFF9FCF2FA8CFC7D5868" box="[865,950,1301,1323]" metricMagnitude="1" metricUnit="m" metricValue="7.366" pageId="14" pageNumber="1350" unit="in" value="2900.0">2900 in</quantity>
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diameter).
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</paragraph>
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<paragraph id="8BEF9E1CBE40FFF8FCC0FAADFEBE5FCB" blockId="14.[827,1443,626,1906]" lastBlockId="15.[145,761,197,648]" lastPageId="15" lastPageNumber="1351" pageId="14" pageNumber="1350">
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Our results help to resolve a puzzling issue surrounding the identity of a specimen collected from the catshark
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<taxonomicName id="4C50E59FBE40FFF9FB84FAE8FAD358C5" baseAuthorityName="Linnaeus" baseAuthorityYear="1758" box="[1047,1304,1393,1414]" class="Elasmobranchii" family="Scyliorhinidae" genus="Scyliorhinus" kingdom="Animalia" order="Carcharhiniformes" pageId="14" pageNumber="1350" phylum="Chordata" rank="species" species="canicula">
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||
<emphasis id="B924420EBE40FFF9FB84FAE8FAD358C5" box="[1047,1304,1393,1414]" italics="true" pageId="14" pageNumber="1350">Scyliorhinus canicula</emphasis>
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</taxonomicName>
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||
off the
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<collectingCountry id="F347DE8CBE40FFF9FAE7FAE8FA5558C5" box="[1396,1438,1393,1414]" name="United Kingdom" pageId="14" pageNumber="1350">UK</collectingCountry>
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, for which sequence data for the D1–D3 region of the 28S rDNA gene (
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<accessionNumber id="940303FFBE40FFF9FBA1FA37FB665887" box="[1074,1197,1454,1476]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/AF286958" pageId="14" pageNumber="1350">AF286958</accessionNumber>
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||
; LRP no. 2113) were generated by
|
||
<bibRefCitation id="EFC1E3EDBE40FFF9FC7FFA54FB1158A0" author="Olson PD & Littlewood DTJ & Bray RA & Mariaux J" box="[1004,1242,1485,1507]" pageId="14" pageNumber="1350" pagination="443 - 467" refId="ref18865" refString="Olson PD, Littlewood DTJ, Bray RA, Mariaux J. 2001. Interrelationships and evolution of the tapeworms (Platyhelminthes: Cestoda). Molecular Phylogenetics and Evolution 19: 443 - 467." type="journal article" year="2001">
|
||
Olson
|
||
<emphasis id="B924420EBE40FFF9FBACFA57FB4B58A1" box="[1087,1152,1485,1507]" italics="true" pageId="14" pageNumber="1350">et al.</emphasis>
|
||
(2001)
|
||
</bibRefCitation>
|
||
. These authors referred to this specimen as
|
||
<taxonomicName id="4C50E59FBE40FFF9FB42FA75FC785B5C" authorityName="Euzet" authorityYear="1959" baseAuthorityName="Molin" baseAuthorityYear="1858" class="Cestoda" family="Phyllobothriidae" genus="Crossobothrium" kingdom="Animalia" order="Phyllobothriidea" pageId="14" pageNumber="1350" phylum="Platyhelminthes" rank="species" species="longicolle">
|
||
<emphasis id="B924420EBE40FFF9FB42FA75FC785B5C" italics="true" pageId="14" pageNumber="1350">Crossobothrium longicolle</emphasis>
|
||
</taxonomicName>
|
||
. However,
|
||
<bibRefCitation id="EFC1E3EDBE40FFF9FBD6F993FA685B63" author="Ruhnke TR & Workman RE" box="[1093,1443,1546,1568]" pageId="14" pageNumber="1350" pagination="37 - 48" refId="ref19261" refString="Ruhnke TR, Workman RE. 2013. Two new species and a new phyllobothriid cestode genus from sharks of the genus Negaprion Whitley (Carcharhiniformes). Systematic Parasitology 85: 37 - 48." type="journal article" year="2013">Ruhnke & Workman (2013)</bibRefCitation>
|
||
found this specimen to be morphologically consistent with, and identical in sequence to, a specimen they identified as
|
||
<taxonomicName id="4C50E59FBE40FFF9FC74F9FFFACF5B38" authorityName="Yamaguti" authorityYear="1952" box="[999,1284,1638,1659]" class="Cestoda" family="Phyllobothriidae" genus="Phyllobothrium" kingdom="Animalia" order="Phyllobothriidea" pageId="14" pageNumber="1350" phylum="Platyhelminthes" rank="species" species="squali">
|
||
<emphasis id="B924420EBE40FFF9FC74F9FFFACF5B38" box="[999,1284,1638,1659]" italics="true" pageId="14" pageNumber="1350">Phyllobothrium squali</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<accessionNumber id="940303FFBE40FFF9FA8AF9FFFA565B3F" box="[1305,1437,1638,1660]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/KC543441" pageId="14" pageNumber="1350">KC543441</accessionNumber>
|
||
; LRP no. 7967) collected from the dogfish
|
||
<taxonomicName id="4C50E59FBE40FFF9FAACF91CFC665BFA" authorityName="Linnaeus" authorityYear="1758" class="Elasmobranchii" family="Squalidae" genus="Squalus" kingdom="Animalia" order="Squaliformes" pageId="14" pageNumber="1350" phylum="Chordata" rank="species" species="acanthias">
|
||
<emphasis id="B924420EBE40FFF9FAACF91CFC665BFA" italics="true" pageId="14" pageNumber="1350">Squalus acanthias</emphasis>
|
||
</taxonomicName>
|
||
off Rhode Island. In the absence of reports of
|
||
<taxonomicName id="4C50E59FBE40FFF9FCC9F95AFC0E5B94" authorityName="Yamaguti" authorityYear="1952" box="[858,965,1730,1752]" class="Cestoda" family="Phyllobothriidae" genus="Phyllobothrium" kingdom="Animalia" order="Phyllobothriidea" pageId="14" pageNumber="1350" phylum="Platyhelminthes" rank="species" species="squali">
|
||
<emphasis id="B924420EBE40FFF9FCC9F95AFC0E5B94" box="[858,965,1730,1752]" italics="true" pageId="14" pageNumber="1350">Y. squali</emphasis>
|
||
</taxonomicName>
|
||
or any of its relatives from catsharks,
|
||
<bibRefCitation id="EFC1E3EDBE40FFF9FCA8F978FB505BB4" author="Ruhnke TR & Workman RE" box="[827,1179,1761,1783]" pageId="14" pageNumber="1350" pagination="37 - 48" refId="ref19261" refString="Ruhnke TR, Workman RE. 2013. Two new species and a new phyllobothriid cestode genus from sharks of the genus Negaprion Whitley (Carcharhiniformes). Systematic Parasitology 85: 37 - 48." type="journal article" year="2013">Ruhnke & Workman (2013)</bibRefCitation>
|
||
suggested that this cestode and the host from which it came might have been misidentified by
|
||
<bibRefCitation id="EFC1E3EDBE40FFF9FBD3F887FADC5A77" author="Olson PD & Littlewood DTJ & Bray RA & Mariaux J" box="[1088,1303,1822,1844]" pageId="14" pageNumber="1350" pagination="443 - 467" refId="ref18865" refString="Olson PD, Littlewood DTJ, Bray RA, Mariaux J. 2001. Interrelationships and evolution of the tapeworms (Platyhelminthes: Cestoda). Molecular Phylogenetics and Evolution 19: 443 - 467." type="journal article" year="2001">
|
||
Olson
|
||
<emphasis id="B924420EBE40FFF9FB18F886FB0E5A70" box="[1163,1221,1822,1844]" italics="true" pageId="14" pageNumber="1350">et al.</emphasis>
|
||
(2001)
|
||
</bibRefCitation>
|
||
. In the tree resulting from our analysis, Olson
|
||
<emphasis id="B924420EBE40FFF9FB6BF8A7FAF35A11" box="[1272,1336,1853,1875]" italics="true" pageId="14" pageNumber="1350">et al.</emphasis>
|
||
’s (2001) specimen of ‘
|
||
<taxonomicName id="4C50E59FBE40FFF9FC75F8C5FAF15A32" authorityName="Euzet" authorityYear="1959" baseAuthorityName="Molin" baseAuthorityYear="1858" box="[998,1338,1884,1905]" class="Cestoda" family="Phyllobothriidae" genus="Crossobothrium" kingdom="Animalia" order="Phyllobothriidea" pageId="14" pageNumber="1350" phylum="Platyhelminthes" rank="species" species="longicolle">
|
||
<emphasis id="B924420EBE40FFF9FC75F8C5FAF15A32" box="[998,1338,1884,1905]" italics="true" pageId="14" pageNumber="1350">Crossobothrium longicolle</emphasis>
|
||
</taxonomicName>
|
||
’ groups robustly among species of
|
||
<taxonomicName id="4C50E59FBE41FFF8FE5BFF5FFDB45D98" authorityName="Caira & Bueno & Jensen" authorityYear="2021" box="[456,639,198,219]" class="Cestoda" family="Phyllobothriidae" genus="Yamaguticestus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllobothriidea" pageId="15" pageNumber="1351" phylum="Platyhelminthes" rank="genus">
|
||
<emphasis id="B924420EBE41FFF8FE5BFF5FFDB45D98" box="[456,639,198,219]" italics="true" pageId="15" pageNumber="1351">Yamaguticestus</emphasis>
|
||
</taxonomicName>
|
||
, members of which we now know can be hosted by either squaliform sharks or catsharks. This suggests that the original identification of the host of this specimen as
|
||
<taxonomicName id="4C50E59FBE41FFF8FF02FED9FE475C16" baseAuthorityName="Linnaeus" baseAuthorityYear="1758" box="[145,396,320,341]" class="Elasmobranchii" family="Scyliorhinidae" genus="Scyliorhinus" kingdom="Animalia" order="Carcharhiniformes" pageId="15" pageNumber="1351" phylum="Chordata" rank="species" species="canicula">
|
||
<emphasis id="B924420EBE41FFF8FF02FED9FE475C16" box="[145,396,320,341]" italics="true" pageId="15" pageNumber="1351">Scyliorhinus canicula</emphasis>
|
||
</taxonomicName>
|
||
was probably correct. However, the specific identity of this specimen as ‘
|
||
<taxonomicName id="4C50E59FBE41FFF8FDF4FEC6FD3F5C30" authorityName="Euzet" authorityYear="1959" baseAuthorityName="Molin" baseAuthorityYear="1858" box="[615,756,350,372]" class="Cestoda" family="Phyllobothriidae" genus="Crossobothrium" kingdom="Animalia" order="Phyllobothriidea" pageId="15" pageNumber="1351" phylum="Platyhelminthes" rank="species" species="longicolle">
|
||
<emphasis id="B924420EBE41FFF8FDF4FEC6FD3F5C30" box="[615,756,350,372]" italics="true" pageId="15" pageNumber="1351">C. longicolle</emphasis>
|
||
</taxonomicName>
|
||
’ is doubtful given that the
|
||
<typeStatus id="54EB20BEBE41FFF8FE2CFEE7FE3A5CD0" box="[447,497,382,403]" pageId="15" pageNumber="1351">type</typeStatus>
|
||
host of
|
||
<taxonomicName id="4C50E59FBE41FFF8FDDFFEE7FD165CD1" authorityName="Caira & Bueno & Jensen" authorityYear="2021" baseAuthorityName="Molin" baseAuthorityYear="1858" box="[588,733,381,403]" class="Cestoda" family="Phyllobothriidae" genus="Yamaguticestus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllobothriidea" pageId="15" pageNumber="1351" phylum="Platyhelminthes" rank="species" species="longicollis">
|
||
<emphasis id="B924420EBE41FFF8FDDFFEE7FD165CD1" box="[588,733,381,403]" italics="true" pageId="15" pageNumber="1351">Y. longicollis</emphasis>
|
||
</taxonomicName>
|
||
is
|
||
<taxonomicName id="4C50E59FBE41FFF8FF02FE05FE4F5CF2" baseAuthorityName="Linnaeus" baseAuthorityYear="1758" box="[145,388,412,433]" class="Elasmobranchii" family="Scyliorhinidae" genus="Scyliorhinus" kingdom="Animalia" order="Carcharhiniformes" pageId="15" pageNumber="1351" phylum="Chordata" rank="species" species="stellaris">
|
||
<emphasis id="B924420EBE41FFF8FF02FE05FE4F5CF2" box="[145,388,412,433]" italics="true" pageId="15" pageNumber="1351">Scyliorhinus stellaris</emphasis>
|
||
</taxonomicName>
|
||
. The fact that the sequences are identical is insufficient to reject this hypothesis given the low amount of sequence divergence seen among members of this genus in this region of the 28S rDNA gene. As a consequence, we believe this species is likely to represent an undescribed member of the genus, the description of which will require examination of additional material.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |