362 lines
29 KiB
XML
362 lines
29 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.584.8171" ID-GBIF-Dataset="dc74d276-1473-42a9-aaae-22eaec624e6d" ID-PMC="PMC4857020" ID-Pensoft-Pub="1313-2970-584-1" ID-PubMed="27199592" ID-ZBK="E381D5EF73A043C38630A017869F1473" ModsDocAuthor="" ModsDocDate="2016" ModsDocID="1313-2970-584-1" ModsDocOrigin="ZooKeys 584" ModsDocTitle="Description and life-cycle of Taenialynciscapreoli sp. n. (Cestoda, Cyclophyllidea)" checkinTime="1461684384941" checkinUser="pensoft" docAuthor="Haukisalmi, Voitto, Konyaev, Sergey, Lavikainen, Antti, Isomursu, Marja & Nakao, Minoru" docDate="2016" docId="61E4EAED98DB0CBCCD735D3EEBE96761" docLanguage="en" docName="ZooKeys 584: 1-23" docOrigin="ZooKeys 584" docSource="http://dx.doi.org/10.3897/zookeys.584.8171" docTitle="Taenia lynciscapreoli Haukisalmi, Konyaev, Lavikainen, Isomursu & Nakao, 2016, sp. n." docType="treatment" docUuid="559B4067-3FE2-4B35-86B6-03780ED73DDF" docUuidSource="ZooBank" docVersion="5" lastPageNumber="10" masterDocId="FFE3C168FFB1CB48FFCBF824C809FFD5" masterDocTitle="Description and life-cycle of Taenialynciscapreoli sp. n. (Cestoda, Cyclophyllidea)" masterLastPageNumber="23" masterPageNumber="1" pageNumber="3" updateTime="1668163032472" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Description and life-cycle of Taenialynciscapreoli sp. n. (Cestoda, Cyclophyllidea)</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Haukisalmi, Voitto</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Konyaev, Sergey</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Lavikainen, Antti</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Isomursu, Marja</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Nakao, Minoru</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2016</mods:date>
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<mods:detail type="volume">
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<mods:number>584</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>23</mods:end>
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</mods:extent>
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</mods:part>
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||
</mods:relatedItem>
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||
<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.584.8171</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.584.8171</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-584-1</mods:identifier>
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<mods:identifier type="ZBK">E381D5EF73A043C38630A017869F1473</mods:identifier>
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<mods:identifier type="ZooBank">E381D5EF73A043C38630A017869F1473</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="127886426" LSID="urn:lsid:zoobank.org:act:559B4067-3FE2-4B35-86B6-03780ED73DDF" httpUri="http://treatment.plazi.org/id/61E4EAED98DB0CBCCD735D3EEBE96761" lastPageId="9" lastPageNumber="10" pageId="2" pageNumber="3">
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<subSubSection pageId="2" pageNumber="3" type="multiple">
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<paragraph pageId="2" pageNumber="3">Taxon classification Animalia Cyclophyllidea Taeniidae</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="3" type="nomenclature">
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<paragraph pageId="2" pageNumber="3">
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<taxonomicName LSID="http://zoobank.org/559B4067-3FE2-4B35-86B6-03780ED73DDF" class="Cestoda" family="Taeniidae" genus="Taenia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Taenia lynciscapreoli" order="Cyclophyllidea" pageId="2" pageNumber="3" phylum="Platyhelminthes" rank="species" species="lynciscapreoli">Taenia lynciscapreoli</taxonomicName>
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<taxonomicNameLabel pageId="2" pageNumber="3">sp. n.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="3" lastPageNumber="4" pageId="2" pageNumber="3" type="material">
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<paragraph pageId="2" pageNumber="3">Material.</paragraph>
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<paragraph pageId="2" pageNumber="3">
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Adult.
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<normalizedToken originalValue="Type–material">Type-material</normalizedToken>
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: Holotype MZH 127098 (five slides, including
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<normalizedToken originalValue="hand–cut">hand-cut</normalizedToken>
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transverse sections, and fragments in ethanol). Paratype MZH 127099 (three slides and fragments in ethanol), from the same host individual as the holotype.
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</paragraph>
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<paragraph pageId="2" pageNumber="3">
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Voucher material from
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<taxonomicName class="Mammalia" family="Felidae" genus="Lynx" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lynx lynx" order="Carnivora" pageId="2" pageNumber="3" phylum="Chordata" rank="species" species="lynx">Lynx lynx</taxonomicName>
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: MZH 127100 (three slides and fragments in ethanol), MZH 127101 (five slides and fragments in ethanol) and MZH 127102 (six slides and fragments in ethanol), Lohja, southern Finland; MZH 127105 (two slides) and MZH 127106 (three slides), Mikhailovskiy raion, Altai Rai, Russia.
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</paragraph>
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<paragraph pageId="2" pageNumber="3">
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Voucher material from
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<taxonomicName class="Mammalia" family="Canidae" genus="Canis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Canis lupus" order="Carnivora" pageId="2" pageNumber="3" phylum="Chordata" rank="species" species="lupus">Canis lupus</taxonomicName>
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(wolf): SVK-2265 and SVK-2581, Mikhailovskiy raion, Altai Rai, Russia.
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</paragraph>
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<paragraph pageId="2" pageNumber="3">
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Other museum specimens from
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<taxonomicName class="Mammalia" family="Felidae" genus="Lynx" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lynx lynx" order="Carnivora" pageId="2" pageNumber="3" phylum="Chordata" rank="species" species="lynx">Lynx lynx</taxonomicName>
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from Finland (in ethanol): MZH 123001, from
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<normalizedToken originalValue="Hyvinkää">Hyvinkaeae</normalizedToken>
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; MZH 123002, from Sauvo; MZH 123003 and 123004, from Mustasaari; MZH 123005, locality unknown.
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</paragraph>
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<paragraph pageId="3" pageNumber="4">
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<pageBreakToken pageId="3" pageNumber="4" start="start">Other</pageBreakToken>
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records from
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<taxonomicName class="Mammalia" family="Felidae" genus="Lynx" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lynx lynx" order="Carnivora" pageId="3" pageNumber="4" phylum="Chordata" rank="species" species="lynx">Lynx lynx</taxonomicName>
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: Kolosovsky and Bolsheukovsky raions, Omskaya
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<normalizedToken originalValue="oblast’">oblast'</normalizedToken>
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, Western Siberia, Russia (morphological identification), coll. Bykova, 2006 [identified as
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<taxonomicName class="Cestoda" family="Taeniidae" genus="Taenia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Taenia pisiformis" order="Cyclophyllidea" pageId="3" pageNumber="4" phylum="Platyhelminthes" rank="species" species="pisiformis">Taenia pisiformis</taxonomicName>
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(Bloch, 1780)].
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</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="4" type="type host">
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<paragraph pageId="3" pageNumber="4">Type host.</paragraph>
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<paragraph pageId="3" pageNumber="4">
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<taxonomicName class="Mammalia" family="Felidae" genus="Lynx" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lynx lynx" order="Carnivora" pageId="3" pageNumber="4" phylum="Chordata" rank="species" species="lynx">Lynx lynx</taxonomicName>
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Linnaeus, 1758, the Eurasian lynx. Other hosts:
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<taxonomicName class="Mammalia" family="Canidae" genus="Canis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Canis lupus" order="Carnivora" pageId="3" pageNumber="4" phylum="Chordata" rank="species" species="lupus">Canis lupus</taxonomicName>
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Linnaeus, 1758, the wolf.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="4" type="type locality">
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<paragraph pageId="3" pageNumber="4">Type locality.</paragraph>
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<paragraph pageId="3" pageNumber="4">
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Salo,
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<normalizedToken originalValue="Perniön">Pernioen</normalizedToken>
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Ylikulma (WGS 84:
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<geoCoordinate direction="north" orientation="latitude" precision="1" value="60.282467">60°16.948'N</geoCoordinate>
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;
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<geoCoordinate direction="east" orientation="longitude" precision="1" value="23.221466">23°13.288'E</geoCoordinate>
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), southern Finland.
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</paragraph>
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<paragraph pageId="3" pageNumber="4">Site. Small intestine.</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="4" type="metacestode">
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<paragraph pageId="3" pageNumber="4">Metacestode.</paragraph>
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<paragraph pageId="3" pageNumber="4">
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Host: European roe deer
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<taxonomicName class="Mammalia" family="Cervidae" genus="Capreolus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Capreolus capreolus" order="Artiodactyla" pageId="3" pageNumber="4" phylum="Chordata" rank="species" species="capreolus">Capreolus capreolus</taxonomicName>
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(Finland), Siberian roe deer
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<taxonomicName class="Mammalia" family="Cervidae" genus="Capreolus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Capreolus pygargus" order="Artiodactyla" pageId="3" pageNumber="4" phylum="Chordata" rank="species" species="pygargus">Capreolus pygargus</taxonomicName>
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(Russia) and Eurasian elk/moose
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<taxonomicName class="Mammalia" family="Cervidae" genus="Alces" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alces alces" order="Artiodactyla" pageId="3" pageNumber="4" phylum="Chordata" rank="species" species="alces">Alces alces</taxonomicName>
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(Finland).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="4" type="materials_examined">
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<paragraph pageId="3" pageNumber="4">Voucher material.</paragraph>
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<paragraph pageId="3" pageNumber="4">
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MZH 127104 (two specimens in ethanol),
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<taxonomicName class="Mammalia" family="Cervidae" genus="Alces" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alces alces" order="Artiodactyla" pageId="3" pageNumber="4" phylum="Chordata" rank="species" species="alces">Alces alces</taxonomicName>
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(calf),
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<normalizedToken originalValue="Hausjärvi">Hausjaervi</normalizedToken>
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, southern Finland; SVK-2344, SVK-2402 (in ethanol), SVK-2458, SVK-2395 (slides),
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<taxonomicName class="Mammalia" family="Cervidae" genus="Capreolus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Capreolus pygargus" order="Artiodactyla" pageId="3" pageNumber="4" phylum="Chordata" rank="species" species="pygargus">Capreolus pygargus</taxonomicName>
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, Russian Far East.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="4" type="other museum specimens">
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<paragraph pageId="3" pageNumber="4">Other museum specimens.</paragraph>
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<paragraph pageId="3" pageNumber="4">
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N16553, Museum of
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<normalizedToken originalValue="All–Russian">All-Russian</normalizedToken>
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K. I. Skryabin Scientific Research Institute of Helminthology (Moscow),
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<taxonomicName class="Mammalia" family="Cervidae" genus="Capreolus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Capreolus pygargus" order="Artiodactyla" pageId="3" pageNumber="4" phylum="Chordata" rank="species" species="pygargus">Capreolus pygargus</taxonomicName>
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, Tuva Republic, Southern Siberia, Russia (identified as
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<taxonomicName class="Cestoda" family="Taeniidae" genus="Taenia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Taenia hydatigena" order="Cyclophyllidea" pageId="3" pageNumber="4" phylum="Platyhelminthes" rank="species" species="hydatigena">Taenia hydatigena</taxonomicName>
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).
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</paragraph>
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<paragraph pageId="3" pageNumber="4">Site. Liver and lungs.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="4" lastPageNumber="5" pageId="3" pageNumber="4" type="diagnosis">
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<paragraph pageId="3" pageNumber="4">Diagnosis.</paragraph>
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<paragraph lastPageId="4" lastPageNumber="5" pageId="3" pageNumber="4">
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Adults and metacestodes of
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<taxonomicName class="Cestoda" family="Taeniidae" genus="Taenia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Taenia lynciscapreoli" order="Cyclophyllidea" pageId="3" pageNumber="4" phylum="Platyhelminthes" rank="species" species="lynciscapreoli">Taenia lynciscapreoli</taxonomicName>
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sp. n. can be separated unambiguously from all other species of
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<taxonomicName class="Cestoda" family="Taeniidae" genus="Taenia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Taenia" order="Cyclophyllidea" pageId="3" pageNumber="4" phylum="Platyhelminthes" rank="genus">Taenia</taxonomicName>
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by the shape of their large rostellar hooks,
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<pageBreakToken pageId="4" pageNumber="5" start="start">particularly</pageBreakToken>
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the characteristically short, wide and strongly curved blade. If the large rostellar hooks are missing in adults,
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<taxonomicName class="Cestoda" family="Taeniidae" genus="Taenia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Taenia lynciscapreoli" order="Cyclophyllidea" pageId="4" pageNumber="5" phylum="Platyhelminthes" rank="species" species="lynciscapreoli">Taenia lynciscapreoli</taxonomicName>
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may be separated from related species by a combination of morphological features of mature proglottids (see Discussion).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="9" lastPageNumber="10" pageId="4" pageNumber="5" type="description">
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<paragraph pageId="4" pageNumber="5">Description.</paragraph>
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<paragraph pageId="4" pageNumber="5">Measurements are in micrometres if not otherwise stated.</paragraph>
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<paragraph pageId="4" pageNumber="5">Adult (Figs 2-7; Table 1). Measurements of mature proglottids and scolex are based on specimens from Finland, and other measurements (external features, rostellar hooks, uterine branches, eggs) on combined material from Finland and Russia.</paragraph>
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<caption pageId="4" pageNumber="5">
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<paragraph pageId="4" pageNumber="5">
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Figure 2. Mature proglottids of
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<taxonomicName class="Cestoda" family="Taeniidae" genus="Taenia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Taenia lynciscapreoli" order="Cyclophyllidea" pageId="4" pageNumber="5" phylum="Platyhelminthes" rank="species" species="lynciscapreoli">Taenia lynciscapreoli</taxonomicName>
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sp. n. from
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<taxonomicName class="Mammalia" family="Felidae" genus="Lynx" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lynx lynx" order="Carnivora" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="lynx">Lynx lynx</taxonomicName>
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. A holotype B paratype C voucher. Scale-bars: 500
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<normalizedToken originalValue="A–B">A-B</normalizedToken>
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); 300
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(C).
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</paragraph>
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</caption>
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<caption pageId="4" pageNumber="5">
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<paragraph pageId="4" pageNumber="5">
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Figure 3. Scolex (A, B) and a pregravid proglottid with uterus (C) of
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<taxonomicName class="Cestoda" family="Taeniidae" genus="Taenia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Taenia lynciscapreoli" order="Cyclophyllidea" pageId="4" pageNumber="5" phylum="Platyhelminthes" rank="species" species="lynciscapreoli">Taenia lynciscapreoli</taxonomicName>
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sp. n. from
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<taxonomicName class="Mammalia" family="Felidae" genus="Lynx" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lynx lynx" order="Carnivora" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="lynx">Lynx lynx</taxonomicName>
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. A, B paratypes C voucher. Scale-bars: 200
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<normalizedToken originalValue="A–B">A-B</normalizedToken>
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); 500
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(C).
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</paragraph>
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</caption>
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<caption pageId="4" pageNumber="5">
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<paragraph pageId="4" pageNumber="5">
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Figure 4. Terminal genital ducts of
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<taxonomicName class="Cestoda" family="Taeniidae" genus="Taenia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Taenia lynciscapreoli" order="Cyclophyllidea" pageId="4" pageNumber="5" phylum="Platyhelminthes" rank="species" species="lynciscapreoli">Taenia lynciscapreoli</taxonomicName>
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sp. n. (holotype) in whole mount (A) and in
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<normalizedToken originalValue="hand–cut">hand-cut</normalizedToken>
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transverse section (B). VC, ventral longitudinal osmoregulatory canal; DC, dorsal longitudinal osmoregulatory canal; NC, nerve cord; VA, vagina; CV, copulatory part of vagina; CS, cirrus sac; VD, vas deferens; TE, testes. Scale-bars: 100
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<normalizedToken originalValue="μm">μm</normalizedToken>
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.
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</paragraph>
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</caption>
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<caption pageId="4" pageNumber="5">
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<paragraph pageId="4" pageNumber="5">
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Figure 5. Outline drawings of large and small rostellar hooks of
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<taxonomicName class="Cestoda" family="Taeniidae" genus="Taenia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Taenia lynciscapreoli" order="Cyclophyllidea" pageId="4" pageNumber="5" phylum="Platyhelminthes" rank="species" species="lynciscapreoli">Taenia lynciscapreoli</taxonomicName>
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sp. n. from various host species.
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<normalizedToken originalValue="A–H">A-H</normalizedToken>
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side view
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<normalizedToken originalValue="I–J">I-J</normalizedToken>
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<normalizedToken originalValue="“ventral”">"ventral"</normalizedToken>
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view
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<normalizedToken originalValue="A–B">A-B</normalizedToken>
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<taxonomicName class="Mammalia" family="Felidae" genus="Lynx" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lynx lynx" order="Carnivora" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="lynx">Lynx lynx</taxonomicName>
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(holotype)
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<normalizedToken originalValue="C–D">C-D</normalizedToken>
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<taxonomicName class="Mammalia" family="Canidae" genus="Canis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Canis lupus" order="Carnivora" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="lupus">Canis lupus</taxonomicName>
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<normalizedToken originalValue="E–F">E-F</normalizedToken>
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<taxonomicName class="Mammalia" family="Cervidae" genus="Capreolus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Capreolus capreolus" order="Artiodactyla" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="capreolus">Capreolus capreolus</taxonomicName>
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<normalizedToken originalValue="G–J">G-J</normalizedToken>
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<taxonomicName class="Mammalia" family="Cervidae" genus="Alces" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alces alces" order="Artiodactyla" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="alces">Alces alces</taxonomicName>
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. Scale-bar: 50
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<normalizedToken originalValue="μm">μm</normalizedToken>
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.
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</paragraph>
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</caption>
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<caption pageId="4" pageNumber="5">
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<paragraph pageId="4" pageNumber="5">
|
||
Figure 6. Large and small rostellar hooks of
|
||
<taxonomicName class="Cestoda" family="Taeniidae" genus="Taenia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Taenia lynciscapreoli" order="Cyclophyllidea" pageId="4" pageNumber="5" phylum="Platyhelminthes" rank="species" species="lynciscapreoli">Taenia lynciscapreoli</taxonomicName>
|
||
sp. n. from
|
||
<taxonomicName class="Mammalia" family="Felidae" genus="Lynx" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lynx lynx" order="Carnivora" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="lynx">Lynx lynx</taxonomicName>
|
||
, the higher picture showing the characteristic ridge and pits of large hooks. Scale-bars: 50
|
||
<normalizedToken originalValue="μm">μm</normalizedToken>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
<caption pageId="4" pageNumber="5">
|
||
<paragraph pageId="4" pageNumber="5">
|
||
Figure 7. Hook crown of
|
||
<taxonomicName class="Cestoda" family="Taeniidae" genus="Taenia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Taenia lynciscapreoli" order="Cyclophyllidea" pageId="4" pageNumber="5" phylum="Platyhelminthes" rank="species" species="lynciscapreoli">Taenia lynciscapreoli</taxonomicName>
|
||
sp. n. from
|
||
<taxonomicName class="Mammalia" family="Felidae" genus="Lynx" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lynx lynx" order="Carnivora" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="lynx">Lynx lynx</taxonomicName>
|
||
. Scale-bar: 200
|
||
<normalizedToken originalValue="μm">μm</normalizedToken>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph pageId="4" pageNumber="5">
|
||
<normalizedToken originalValue="Medium–sized">Medium-sized</normalizedToken>
|
||
species of
|
||
<taxonomicName class="Cestoda" family="Taeniidae" genus="Taenia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Taenia" order="Cyclophyllidea" pageId="4" pageNumber="5" phylum="Platyhelminthes" rank="genus">Taenia</taxonomicName>
|
||
; length of fully gravid specimens 55-90 cm (n=4). Maximum width of strobila 5-7 mm (n=4). Scolex 1.1 mm (n=2) wide in specimens mounted in
|
||
<normalizedToken originalValue="Berlese’s">Berlese's</normalizedToken>
|
||
medium (BM), 0.85 mm (n=1) wide in specimens mounted in Canada balsam (CB). Maximum diameter of suckers 269-289 in BM (n=7), 213-255 in CB (n=4). Diameter of rostellum 375-425 in BM (n=2), 300-365 in CB (n=2); rostellum larger than suckers. Neck approximately as wide as scolex, of variable length.
|
||
</paragraph>
|
||
<paragraph pageId="4" pageNumber="5">Rostellum bearing two rows of hooks; rostellar armature usually incomplete in adult specimens. In combined material, length of large hooks 168-231 (mean=212.2, n=27) and length of small hooks 106-137 (mean=126.2, n=25). Total length and other dimensions of large hooks consistently smaller in specimens from Finland than in those from Siberia and Russian Far East. Large hooks characterized by long, thick and straight handle sometimes provided with apical bulge, relatively short, wide and strongly curved blade and prominent, usually slightly pointed guard. Border between hidden and exposed parts of large hooks marked with distinct oblique ridge. Margin of ridge provided with pits of various sizes at middle of handle; similar but less distinct pits sometimes present at guard portion of ridge.</paragraph>
|
||
<paragraph pageId="4" pageNumber="5">
|
||
Proglottids craspedote, but velum poorly developed. Mature proglottids 2.8-5.3 mm (mean=4.3 mm, n=15) wide and 2.0-3.4 mm (mean=2.6 mm, n=15) long, with length/width ratio of 1:1.2-2.6 (mean=1:1.7, n=15) in
|
||
<normalizedToken originalValue="well–relaxed">well-relaxed</normalizedToken>
|
||
specimens. Proglottids becoming more elongate posteriorly;
|
||
<normalizedToken originalValue="fully–gravid">fully-gravid</normalizedToken>
|
||
proglottids up to 14 mm long, with length/width ratio of 1:4.7.
|
||
</paragraph>
|
||
<paragraph pageId="4" pageNumber="5">
|
||
Genital pores irregularly alternating, positioned in middle of lateral margin of proglottids. Genital atrium weak, usually not protruding, 238-425 (mean=302, n=12) wide at base and 144-264 (mean=186, n=12) deep. Ventral longitudinal osmoregulatory canals 34-110 (mean=75, n=13) wide in mature proglottids, up to 200 in postmature/pregravid proglottids; connected by narrower transverse canals. Dorsal osmoregulatory canals narrow (seen only in transverse sections), running medially to ventral longitudinal canals. Terminal genital ducts positioned between dorsal and ventral longitudinal osmoregulatory canal and dorsal to
|
||
<normalizedToken originalValue="nerve–cord">nerve-cord</normalizedToken>
|
||
.
|
||
</paragraph>
|
||
<paragraph lastPageId="5" lastPageNumber="6" pageId="4" pageNumber="5">
|
||
Testes 591-725 (mean=653, n=5) in number, 80-130 in largest diameter, positioned primarily in one
|
||
<normalizedToken originalValue="dorso–ventral">dorso-ventral</normalizedToken>
|
||
layer. Testicular field widely confluent anteriorly and occupying all parts of median field lacking female organs, except small
|
||
<normalizedToken originalValue="well–defined">well-defined</normalizedToken>
|
||
region anterior to ovary. Continuous posterior testicular field absent, but sometimes individuals testes positioned posterior to or overlapping vitellarium.
|
||
<normalizedToken originalValue="Antero–poral">Antero-poral</normalizedToken>
|
||
testicular field longitudinally as long as
|
||
<normalizedToken originalValue="postero–poral">postero-poral</normalizedToken>
|
||
field (as separated by vas deferens). Testicular field separated from ventral osmoregulatory canals by distinct free
|
||
<pageBreakToken pageId="5" pageNumber="6" start="start">space</pageBreakToken>
|
||
laterally, anteriorly and posteriorly.
|
||
<normalizedToken originalValue="Cirrus–sac">Cirrus-sac</normalizedToken>
|
||
elongate, 340-425 (mean=382, n=11) long and 153-179 (mean=166, n=11) wide in mature proglottids, usually not extending to longitudinal ventral canal; muscle layers of
|
||
<normalizedToken originalValue="cirrus–sac">cirrus-sac</normalizedToken>
|
||
<normalizedToken originalValue="well–developed">well-developed</normalizedToken>
|
||
. Distal part of ductus cirri armed with delicate
|
||
<normalizedToken originalValue="hair–like">hair-like</normalizedToken>
|
||
structures. Vas deferens forming few irregular loops inside
|
||
<normalizedToken originalValue="cirrus–sac">cirrus-sac</normalizedToken>
|
||
, prominently convoluted outside
|
||
<normalizedToken originalValue="cirrus–sac">cirrus-sac</normalizedToken>
|
||
.
|
||
</paragraph>
|
||
<paragraph lastPageId="8" lastPageNumber="9" pageId="5" pageNumber="6">
|
||
Ovary bilobed, 98-172 (mean=150, n=15) wide and 57-103 (mean=84, n=15) long; lobes of roughly equal size, but antiporal lobe extending slightly more ante
|
||
<pageBreakToken pageId="6" pageNumber="7" start="start">riad</pageBreakToken>
|
||
than poral lobe; ovary does not reach midline of proglottid longitudinally. Vitellarium distinctly elongated transversely, 80-145 (mean=126, n=15) wide and 19-41 (mean=31, n=12) long, slightly narrower than ovary; lateral extremities usually pointed. Vagina opens posterior to male pore, provided by distinct sphincter ca. 5 from distal end of vagina; sphincter ca. 3 long and 6 wide; sphincter sometimes absent or incom
|
||
<pageBreakToken pageId="7" pageNumber="8" start="start">plete</pageBreakToken>
|
||
(present on one side of vagina only). Copulatory part of vagina shorter than cirrus sac,
|
||
<normalizedToken originalValue="thick–walled">thick-walled</normalizedToken>
|
||
, distinctly widened, curved posteriorly; maximum width of copulatory part 94-111 (mean=106, n=10). Proximal vagina narrow, of uniform width, runs posterior to vas deferens, usually slightly undulating, rarely looped. Lumen of vagina lined with delicate
|
||
<normalizedToken originalValue="hair–like">hair-like</normalizedToken>
|
||
structures almost throughout its length; hairs particularly long in widened copulatory part. Prior to joining seminal receptacle, vagina forms dif
|
||
<pageBreakToken pageId="8" pageNumber="9" start="start">ferentiated</pageBreakToken>
|
||
region, 10-12 long, with tapered lumen lacking hairs.
|
||
<normalizedToken originalValue="Sperm–filled">Sperm-filled</normalizedToken>
|
||
seminal receptacle elongate, 9-17 (mean=12.4, n=15) long.
|
||
<normalizedToken originalValue="Mehlis’">Mehlis'</normalizedToken>
|
||
gland spherical, 18-22 (mean=19.6, n=11) in diameter. Uterus in
|
||
<normalizedToken originalValue="pre–gravid">pre-gravid</normalizedToken>
|
||
and early gravid proglottids with 8-11 primary branches on each side, often with secondary and tertiary bifurcations; lateral branches not reaching ventral osmoregulatory canal; terminal branches usually with multiple anterior or posterior sacculations. Eggs spherical or subspherical, with maximum diameter of 34-39 (mean=36.8, n=26) in
|
||
<normalizedToken originalValue="whole–mounts">whole-mounts</normalizedToken>
|
||
. Outer egg shell thick (4.0-4.5), distinctly
|
||
<normalizedToken originalValue="two–layered">two-layered</normalizedToken>
|
||
.
|
||
</paragraph>
|
||
<paragraph pageId="8" pageNumber="9">Metacestode (Fig. 5, Table 1). External features of metacestodes are based on specimens from Finland, and measurements of rostellar hooks on combined material from Finland and Russia (Table 1).</paragraph>
|
||
<paragraph lastPageId="9" lastPageNumber="10" pageId="8" pageNumber="9">
|
||
Metacestode is cysticercus.
|
||
<normalizedToken originalValue="Ethanol–fixed">Ethanol-fixed</normalizedToken>
|
||
cysticerci with
|
||
<normalizedToken originalValue="fully–developed">fully-developed</normalizedToken>
|
||
rostellar hooks 3-14 mm long and 2-5 mm wide; larger cysticerci with elongate or
|
||
<normalizedToken originalValue="sac–like">sac-like</normalizedToken>
|
||
posterior bladder and, in one case, with short (8 mm) strobila between bladder and scolex
|
||
<pageBreakToken pageId="9" pageNumber="10" start="start">region</pageBreakToken>
|
||
. Rostellum armed with 30-34 (mean=32.0, n=7) hooks forming two rows. Large hooks 213-238 (mean=225.9, n=27) and small hooks 123-145 (mean=136.7, n=23) long. Average hook dimensions are consistently smaller in specimens from Finland than in specimens from Siberia and Russian Far East. Rostellar hooks of metacestodes are similar in shape to those of adult cestodes.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="9" pageNumber="10" type="distribution">
|
||
<paragraph pageId="9" pageNumber="10">Distribution.</paragraph>
|
||
<paragraph pageId="9" pageNumber="10">Eurasia, from Finland to Russian Far East.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="9" pageNumber="10" type="etymology">
|
||
<paragraph pageId="9" pageNumber="10">Etymology.</paragraph>
|
||
<paragraph pageId="9" pageNumber="10">The specific epithet refers to the main definitive and intermediate hosts of the new species.</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |