241 lines
22 KiB
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241 lines
22 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.667.10680" ID-GBIF-Dataset="5e719e6b-89c2-4f3e-a4b2-088df96d07a5" ID-PMC="PMC5523385" ID-Pensoft-Pub="1313-2970-667-39" ID-PubMed="28769634" ID-ZBK="04E2A91800A14E76A30267918C90D673" ModsDocAuthor="" ModsDocDate="2017" ModsDocID="1313-2970-667-39" ModsDocOrigin="ZooKeys 667" ModsDocTitle="A new species of leech of the genus Placobdella (Hirudinida, Glossiphoniidae) from the American alligator (Alligatormississippiensis) in Mississippi, USA" checkinTime="1491908600242" checkinUser="pensoft" docAuthor="Richardson, Dennis J., Moser, William E., Hammond, Charlotte I., Lazo-Wasem, Eric A., McAllister, Chris T. & Pulis, Eric E." docDate="2017" docId="03ED77A9FC2C584B70E1EACCDAD8396C" docLanguage="en" docName="ZooKeys 667: 39-49" docOrigin="ZooKeys 667" docSource="http://dx.doi.org/10.3897/zookeys.667.10680" docTitle="Placobdella siddalli Richardson & Moser, sp. n." docType="treatment" docUuid="9170DAD3-1657-4000-BF99-474E6DCDCB91" docUuidSource="ZooBank" docVersion="5" lastPageNumber="44" masterDocId="FF92FF87FF92BE56FFE9DE2BFFBBFFDF" masterDocTitle="A new species of leech of the genus Placobdella (Hirudinida, Glossiphoniidae) from the American alligator (Alligatormississippiensis) in Mississippi, USA" masterLastPageNumber="49" masterPageNumber="39" pageNumber="40" updateTime="1668164384368" 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>A new species of leech of the genus Placobdella (Hirudinida, Glossiphoniidae) from the American alligator (Alligatormississippiensis) in Mississippi, USA</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>Richardson, Dennis J.</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>Moser, William E.</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>Hammond, Charlotte I.</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>Lazo-Wasem, Eric A.</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>McAllister, Chris T.</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>Pulis, Eric E.</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>2017</mods:date>
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<mods:detail type="volume">
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<mods:number>667</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>39</mods:start>
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<mods:end>49</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.667.10680</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.667.10680</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-667-39</mods:identifier>
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<mods:identifier type="ZBK">04E2A91800A14E76A30267918C90D673</mods:identifier>
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<mods:identifier type="ZooBank">04E2A91800A14E76A30267918C90D673</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="128344910" LSID="urn:lsid:zoobank.org:act:9170DAD3-1657-4000-BF99-474E6DCDCB91" httpUri="http://treatment.plazi.org/id/03ED77A9FC2C584B70E1EACCDAD8396C" lastPageId="5" lastPageNumber="44" pageId="1" pageNumber="40">
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<subSubSection pageId="1" pageNumber="40" type="nomenclature">
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<paragraph pageId="1" pageNumber="40">
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<taxonomicName LSID="http://zoobank.org/9170DAD3-1657-4000-BF99-474E6DCDCB91" authority="Richardson & Moser" class="Clitellata" family="Glossiphoniidae" genus="Placobdella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placobdella siddalli" order="Rhynchobdellida" pageId="1" pageNumber="40" phylum="Annelida" rank="species" species="siddalli">Placobdella siddalli Richardson & Moser</taxonomicName>
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<taxonomicNameLabel pageId="1" pageNumber="40">sp. n.</taxonomicNameLabel>
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Figures 1, 2, 3; 5, 6
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</paragraph>
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</subSubSection>
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<subSubSection pageId="1" pageNumber="40" type="materials_examined">
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<paragraph pageId="1" pageNumber="40">Material examined.</paragraph>
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<paragraph pageId="1" pageNumber="40">
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Holotype (YPM 083857) Davis Eddy, a cypress swam constituting an oxbow lake of the Pascagoula River in the Pascagoula River Wildlife Management Area, George County, Mississippi (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="30.903055">30°54'11"N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="15" value="-88.74305">088°44'35"W</geoCoordinate>
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).
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</paragraph>
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<paragraph pageId="1" pageNumber="40">
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Paratypes (YPM 083875-083876, YPM 090164-090165; USNM 1422202-1422203) Davis Eddy, a cypress swam constituting an oxbow lake of the Pascagoula River in the Pascagoula River Wildlife Management Area, George County, Mississippi (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="30.903055">30°54'11"N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="15" value="-88.74305">088°44'35"W</geoCoordinate>
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).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="4" lastPageNumber="43" pageId="2" pageNumber="41" type="description">
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<paragraph pageId="2" pageNumber="41">
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<pageBreakToken pageId="2" pageNumber="41" start="start">Morphological</pageBreakToken>
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description.
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</paragraph>
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<paragraph lastPageId="3" lastPageNumber="42" pageId="2" pageNumber="41">
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External morphology: (Fig. 1) Body elliptoid; length of preserved specimens 9.0-11.1 (9.8) mm, width at widest point (in center of body) 3.6-5.0 (4.5) mm. Dorsum base color beige with olive-green pigment spots. Dorsal papillae arranged in five rows (dorsomedial, two paramedial and two paralateral rows of unpigmented, stellate papillae) with repeating patterns of papillae size as follows: dorsomedial papillus of neural annulus large; paramedial papillae of neural annulus small; paralateral papillae of neural annulus large. Dorsomedial papillus of annulus posterior to neural annulus small; paramedial papillae of annulus posterior to neural annulus large; paralaterial papillae of annulus posterior to neural annulus small. Dorsomedial papillus of annulus anterior to neural annulus greatly reduced (sensillus); paramedial and paralateral papillae lacking on annulus anterior to neural annulus. Lateral papillae much less organized, not in distinct rows. Lateral region with alternating unpigmented and modestly pigmented sections (being characterized by small chromatophores). Anal opening located in furrow, one anteriad annulus from the caudal sucker. Beginning adjacent to the anus and commencing anteriad are two rows of
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<pageBreakToken pageId="3" pageNumber="42" start="start">three</pageBreakToken>
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papillae, followed by two pairs of prominent paramedial papillae. Two pair of near-coalesced eyespots, typical of the genus
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<taxonomicName class="Clitellata" family="Glossiphoniidae" genus="Placobdella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placobdella" order="Rhynchobdellida" pageId="3" pageNumber="42" phylum="Annelida" rank="genus">Placobdella</taxonomicName>
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, within lateral unpigmented mask that extends posteriad into interrupted dorsal-medial pigment line that extends posteriorly to anus. Most pronounced pigmentation of dorsal-medial pigment line from genital region to anterior pair of prominent paramedial papillae. Caudal sucker orbicular, diameter 2.0-2.2 (2.1) mm; 18.64-22.9 (21.1) % of the length leech; dorsal surface with approximately three rows of papillae, the anterior-most of which is most prominent. Ventral surface of the whole body with scattered chromatophores, most concentrated in genital region and without stripes.
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</paragraph>
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<paragraph pageId="3" pageNumber="42">Internal morphology: (Figs 2 and 3) Proboscis pore on rim/lip of anterior sucker. Blunt-tipped muscular proboscis nearly uniformly cylindrical, only very modest enlargement at base. Two pair of discrete salivary glands. Anterior pair very narrowly doliform to oblong and slightly enlarged anteriad; ductal medially inserted into narrowly elliotoid posterior salivary glands; ductal of anterior salivary gland anastomoses with ductual of posterior salivary gland half-way between the posterior salivary gland and proboscis forming common duct. Esophagus extends from the base of the proboscis with one pair sac-like mycetomes. Seven pairs of diverticulated crop ceca, last pair extending posteriorly and diverticulated into four sections. Four pairs of intestinal ceca.</paragraph>
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<paragraph pageId="4" pageNumber="43">
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<pageBreakToken pageId="4" pageNumber="43" start="start">Reproductive</pageBreakToken>
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system: Male and female gonopores in furrows and separated by two annuli. Six pair of testisacs.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="43" type="taxonomic summary">
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<paragraph pageId="4" pageNumber="43">Taxonomic summary.</paragraph>
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<paragraph pageId="4" pageNumber="43">
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Type host. American
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<taxonomicName class="Reptilia" family="Alligatoridae" genus="Alligator" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alligator" order="Crocodylia" pageId="4" pageNumber="43" phylum="Chordata" rank="genus">Alligator</taxonomicName>
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,
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<taxonomicName class="Reptilia" family="Alligatoridae" genus="Alligator" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alligator mississippiensis" order="Crocodylia" pageId="4" pageNumber="43" phylum="Chordata" rank="species" species="mississippiensis">Alligator mississippiensis</taxonomicName>
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(Daudin, 1802) Cuvier, 1807
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</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="43" type="type locality">
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<paragraph pageId="4" pageNumber="43">Type locality.</paragraph>
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<paragraph pageId="4" pageNumber="43">
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Davis Eddy, a cypress swamp constituting an oxbow lake of the Pascagoula River in the Pascagoula River Wildlife Management Area, George County, Mississippi (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="30.903055">30°54'11"N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="15" value="-88.74305">088°44'35"W</geoCoordinate>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="43" type="type material">
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<paragraph pageId="4" pageNumber="43">Type material.</paragraph>
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<paragraph pageId="4" pageNumber="43">YPM 083857 (Holotype), YPM 083875-083876, YPM 090164-090165 (Paratypes), USNM 1422202-1422203 (Paratypes).</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="43" type="etymology">
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<paragraph pageId="4" pageNumber="43">Etymology.</paragraph>
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<paragraph pageId="4" pageNumber="43">
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The specific epithet
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<taxonomicName lsidName="siddalli" pageId="4" pageNumber="43" rank="species" species="siddalli">siddalli</taxonomicName>
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is in honor of Dr. Mark Siddall in recognition of the profound advancements that he has contributed to our understanding of glossiphoniid leeches, particularly in regard to the taxonomic importance of preanal papillae.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="5" lastPageNumber="44" pageId="4" pageNumber="43" type="description">
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<paragraph pageId="4" pageNumber="43">Molecular description.</paragraph>
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<paragraph lastPageId="5" lastPageNumber="44" pageId="4" pageNumber="43">
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Molecular characterization is based on sequence of 626 nucleotides of the mitochondrial Cytochrome c oxidase subunit I (GenBank KY780962). Molecular comparison of 626 nucleotides of CO-I revealed 100% identify between two specimens of
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<taxonomicName class="Clitellata" family="Glossiphoniidae" genus="Placobdella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placobdella siddalli" order="Rhynchobdellida" pageId="4" pageNumber="43" phylum="Annelida" rank="species" species="siddalli">Placobdella siddalli</taxonomicName>
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Richardson & Moser collected from the same host in Davis Eddy, George County, Mississippi (type locality; YPM 083876, GenBank KY780962 and an interspecific difference of 14.0% to 15.7% (88 to 98 nucleotides) between
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<taxonomicName lsidName="P. siddalli" pageId="4" pageNumber="43" rank="species" species="siddalli">P. siddalli</taxonomicName>
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Richardson & Moser and four specimens of
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<taxonomicName lsidName="P. multilineata" pageId="4" pageNumber="43" rank="species" species="multilineata">P. multilineata</taxonomicName>
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from Louisiana, Mississippi, and Oklahoma. Additional intraspecific differences of 15.9% to 16.7% (99 to 105 nucleotides) were found between
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<taxonomicName lsidName="P. siddalli" pageId="4" pageNumber="43" rank="species" species="siddalli">P. siddalli</taxonomicName>
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Richardson & Moser and four specimens of
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<taxonomicName lsidName="P. rugosa" pageId="4" pageNumber="43" rank="species" species="rugosa">P. rugosa</taxonomicName>
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collected from the type locality (North Dakota; GenBank JX412986-JX412990); difference of 18.0% (113 nucleotides) between
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<taxonomicName lsidName="P. siddalli" pageId="4" pageNumber="43" rank="species" species="siddalli">P. siddalli</taxonomicName>
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Richardson & Moser and three specimens of
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<taxonomicName lsidName="P. ali" pageId="4" pageNumber="43" rank="species" species="ali">P. ali</taxonomicName>
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from the type locality (New York) and Connecticut (GenBank HM347040-HM347042);
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<pageBreakToken pageId="5" pageNumber="44" start="start">differences</pageBreakToken>
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of 16.9% to 17.3% (106 to 109 nucleotides) between
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<taxonomicName lsidName="P. siddalli" pageId="5" pageNumber="44" rank="species" species="siddalli">P. siddalli</taxonomicName>
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Richardson & Moser and five specimens of
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<taxonomicName lsidName="P. papillifera" pageId="5" pageNumber="44" rank="species" species="papillifera">P. papillifera</taxonomicName>
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(GenBank KC505241-KC505245) from its type locality (West River, New Haven, New Haven County, Connecticut); differences of 15.0% to 15.3% (94 to 96 nucleotides) between
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<taxonomicName lsidName="P. siddalli" pageId="5" pageNumber="44" rank="species" species="siddalli">P. siddalli</taxonomicName>
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Richardson & Moser and five specimens of
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<taxonomicName lsidName="P. ornata" pageId="5" pageNumber="44" rank="species" species="ornata">P. ornata</taxonomicName>
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(GenBank JQ812128-JQ812132) collected from the type locality (West River, New Haven County, Connecticut); and differences of 14.7% and 14.8% (92 to 93 nucleotides) between
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<taxonomicName lsidName="P. siddalli" pageId="5" pageNumber="44" rank="species" species="siddalli">P. siddalli</taxonomicName>
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Richardson & Moser and five specimens of
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<taxonomicName lsidName="P. parasitica" pageId="5" pageNumber="44" rank="species" species="parasitica">P. parasitica</taxonomicName>
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collected from the type locality (Minnesota; GenBank KF058895-KF058899).
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</paragraph>
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<caption pageId="5" pageNumber="44">
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<paragraph pageId="5" pageNumber="44">
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Figure 1. Holotype specimen of
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<taxonomicName class="Clitellata" family="Glossiphoniidae" genus="Placobdella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placobdella siddalli" order="Rhynchobdellida" pageId="5" pageNumber="44" phylum="Annelida" rank="species" species="siddalli">Placobdella siddalli</taxonomicName>
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Richardson & Moser, YPM 083857 A Dorsal surface B Ventral surface. Scale bar: 2 mm.
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</paragraph>
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</caption>
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<caption pageId="5" pageNumber="44">
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<paragraph pageId="5" pageNumber="44">
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Figure 2. Internal anatomy of
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<taxonomicName class="Clitellata" family="Glossiphoniidae" genus="Placobdella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placobdella siddalli" order="Rhynchobdellida" pageId="5" pageNumber="44" phylum="Annelida" rank="species" species="siddalli">Placobdella siddalli</taxonomicName>
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Richardson & Moser, YPM 083875. Dorsal view, anterior salivary gland (A), posterior salivary gland (P), proboscis (Pr). Scale bar: 1 mm.
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</paragraph>
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</caption>
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<caption pageId="5" pageNumber="44">
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<paragraph pageId="5" pageNumber="44">
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Figure 3. Paratype specimen of
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<taxonomicName class="Clitellata" family="Glossiphoniidae" genus="Placobdella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placobdella siddalli" order="Rhynchobdellida" pageId="5" pageNumber="44" phylum="Annelida" rank="species" species="siddalli">Placobdella siddalli</taxonomicName>
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Richardson & Moser, YPM 083876 mounted in Canada balsam, crop ceca (CC), anterior salivary gland (A), posterior salivary gland (P), proboscis (Pr). Scale bar: 2 mm.
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</paragraph>
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</caption>
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<caption pageId="5" pageNumber="44">
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<paragraph pageId="5" pageNumber="44">
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Figure 4. Dorsal surface, anal region. Medial row of small but distinct papillae (indicated by arrows) lying between the anus and commencement of prominent paramedial papillae, on A
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<taxonomicName class="Clitellata" family="Glossiphoniidae" genus="Placobdella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placobdella rugosa" order="Rhynchobdellida" pageId="5" pageNumber="44" phylum="Annelida" rank="species" species="rugosa">Placobdella rugosa</taxonomicName>
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(YPM 083787) B
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<taxonomicName class="Clitellata" family="Glossiphoniidae" genus="Placobdella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placobdella ornata" order="Rhynchobdellida" pageId="5" pageNumber="44" phylum="Annelida" rank="species" species="ornata">Placobdella ornata</taxonomicName>
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, syntype (YPM 000256) C
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<taxonomicName class="Clitellata" family="Glossiphoniidae" genus="Placobdella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placobdella ali" order="Rhynchobdellida" pageId="5" pageNumber="44" phylum="Annelida" rank="species" species="ali">Placobdella ali</taxonomicName>
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(YPM 058254) D
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<taxonomicName class="Clitellata" family="Glossiphoniidae" genus="Placobdella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placobdella multilineata" order="Rhynchobdellida" pageId="5" pageNumber="44" phylum="Annelida" rank="species" species="multilineata">Placobdella multilineata</taxonomicName>
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(YPM 083782). Scale bars: 3 mm (A), 1 mm (B), 4 mm (C), 2 mm (D).
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</paragraph>
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</caption>
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<caption pageId="5" pageNumber="44">
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<paragraph pageId="5" pageNumber="44">
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Figure 5. Dorsal surface, anal region, (note lack of papillae between anus and commencement of prominent paramedial papillae) of A
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<taxonomicName class="Clitellata" family="Glossiphoniidae" genus="Placobdella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placobdella papillifera" order="Rhynchobdellida" pageId="5" pageNumber="44" phylum="Annelida" rank="species" species="papillifera">Placobdella papillifera</taxonomicName>
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(YPM 083792) B
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<taxonomicName class="Clitellata" family="Glossiphoniidae" genus="Placobdella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placobdella siddalli" order="Rhynchobdellida" pageId="5" pageNumber="44" phylum="Annelida" rank="species" species="siddalli">Placobdella siddalli</taxonomicName>
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Richardson & Moser (YPM 083857). Scale bars: 1 mm.
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</paragraph>
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</caption>
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<caption pageId="5" pageNumber="44">
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<paragraph pageId="5" pageNumber="44">
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Figure 6. Ventral surface of various species of
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<taxonomicName class="Clitellata" family="Glossiphoniidae" genus="Placobdella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placobdella" order="Rhynchobdellida" pageId="5" pageNumber="44" phylum="Annelida" rank="genus">Placobdella</taxonomicName>
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. Note the diameter of the caudal sucker relative to body length and width of individuals. A
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<taxonomicName class="Clitellata" family="Glossiphoniidae" genus="Placobdella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placobdella ali" order="Rhynchobdellida" pageId="5" pageNumber="44" phylum="Annelida" rank="species" species="ali">Placobdella ali</taxonomicName>
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(YPM 058279) B
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<taxonomicName class="Clitellata" family="Glossiphoniidae" genus="Placobdella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placobdella ornata" order="Rhynchobdellida" pageId="5" pageNumber="44" phylum="Annelida" rank="species" species="ornata">Placobdella ornata</taxonomicName>
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(YPM 083847) C
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<taxonomicName class="Clitellata" family="Glossiphoniidae" genus="Placobdella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placobdella siddalli" order="Rhynchobdellida" pageId="5" pageNumber="44" phylum="Annelida" rank="species" species="siddalli">Placobdella siddalli</taxonomicName>
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Richardson & Moser (YPM 083857) D
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<taxonomicName class="Clitellata" family="Glossiphoniidae" genus="Placobdella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placobdella multilineata" order="Rhynchobdellida" pageId="5" pageNumber="44" phylum="Annelida" rank="species" species="multilineata">Placobdella multilineata</taxonomicName>
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(YPM 083850) E
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<taxonomicName class="Clitellata" family="Glossiphoniidae" genus="Placobdella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placobdella papillifera" order="Rhynchobdellida" pageId="5" pageNumber="44" phylum="Annelida" rank="species" species="papillifera">Placobdella papillifera</taxonomicName>
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(YPM 083856) F
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<taxonomicName class="Clitellata" family="Glossiphoniidae" genus="Placobdella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placobdella parasitica" order="Rhynchobdellida" pageId="5" pageNumber="44" phylum="Annelida" rank="species" species="parasitica">Placobdella parasitica</taxonomicName>
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(YPM 059092) G
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<taxonomicName class="Clitellata" family="Glossiphoniidae" genus="Placobdella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placobdella rugosa" order="Rhynchobdellida" pageId="5" pageNumber="44" phylum="Annelida" rank="species" species="rugosa">Placobdella rugosa</taxonomicName>
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(YPM 056680). Scale bars: 10 mm (A, F), 2 mm (B), 3 mm (C), 5 mm (D, G), 1 mm (E).
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</paragraph>
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</caption>
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</subSubSection>
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</treatment>
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</document> |