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<document id="F5F7B8E76A5962F3E20611DEC169FCD1" ID-DOI="10.11646/zootaxa.4999.3.1" ID-ISSN="1175-5326" ID-Zenodo-Dep="5118878" ID-ZooBank="051E68AE-6A5B-44AC-8F90-AEECB8997883" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1626867064460" checkinUser="plazi" docAuthor="Jensen, Kirsten, Pen, Isabel A. M. &amp; Caira, Janine N." docDate="2021" docId="2A0987A5FFC3FFFAFF7A39212008FE80" docLanguage="en" docName="zootaxa.4999.3.1.pdf" docOrigin="Zootaxa 4999 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Myzophyllobothrium nagasawai Jensen &amp; Pen &amp; Caira 2021, n. sp." docType="treatment" docUuid="930A6E47-571D-411F-9377-2DD6E8351AE1" docUuidSource="ZooBank" docVersion="3" lastPageNumber="213" masterDocId="D630FFDDFFC9FFF7FFED3C0B255FFFC2" masterDocTitle="A revision of the Rhoptrobothriidae (Cestoda: “ Tetraphyllidea ”)" masterLastPageNumber="218" masterPageNumber="201" pageNumber="211" updateTime="1699011783965" updateUser="plazi" zenodo-license-document="CLOSED">
<mods:mods id="162ACB0525B4DCE6F566100F1FC6B477" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="8B64DEA69EB439F50A2AC8EB0CBB3662">
<mods:title id="4B73F33539632294C3AB01D69F405E91">A revision of the Rhoptrobothriidae (Cestoda: “ Tetraphyllidea ”)</mods:title>
</mods:titleInfo>
<mods:name id="4A448769D58949677BC7BCDC481C57FF" type="personal">
<mods:role id="458C10D5CC90356713DE3DE25DC1B353">
<mods:roleTerm id="C953CC984A421E7BF4560AD5E2466BFE">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="F571D17E3064B38BF945D1325B5CD201">Jensen, Kirsten</mods:namePart>
<mods:nameIdentifier id="C34E5208DE8FB171763D45A2111922C9" type="ORCID">0000-0003-0294-8471</mods:nameIdentifier>
<mods:affiliation id="6A5A8B1E48EB0A4E0E514468EDEEB7D1">Department of Ecology &amp; Evolutionary Biology and the Biodiversity Institute, University of Kansas, 1200 Sunnyside Ave., Lawrence, KS 66045, USA. &amp; jensen @ ku. edu; https: // orcid. org / 0000 - 0003 - 0294 - 8471</mods:affiliation>
<mods:nameIdentifier id="091CF276C193FD16D8C9B3E5872B15FF" type="email">jensen@ku.edu</mods:nameIdentifier>
</mods:name>
<mods:name id="E7DAD5E7B9CEE56A2E2FEC848ADAD4EF" type="personal">
<mods:role id="811FC32D896CBC0C8497B3A6ECE94995">
<mods:roleTerm id="FBB1BDE5FBE63887F551298CB2D51BF9">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="E8BE7FC2FC1344D4617364462A5573F2">Pen, Isabel A. M.</mods:namePart>
<mods:nameIdentifier id="E84CBD32389FFC0FADDED412ACC8350B" type="ORCID">0000-0002-4409-8156</mods:nameIdentifier>
<mods:affiliation id="4D2AAF040485BD9D3AACF7DACE4BD61E">Department of Ecology &amp; Evolutionary Biology and the Biodiversity Institute, University of Kansas, 1200 Sunnyside Ave., Lawrence, KS 66045, USA. &amp; iampen @ ku. edu; https: // orcid. org / 0000 - 0002 - 4409 - 8156</mods:affiliation>
<mods:nameIdentifier id="F903EFCD0835F63A8D2B5A9BFCC7BD3F" type="email">iampen@ku.edu</mods:nameIdentifier>
</mods:name>
<mods:name id="70471202914620D91EDC4CEA2064ACEC" type="personal">
<mods:role id="9500321E6FBA296067134FF2C41ABBC5">
<mods:roleTerm id="8EDA2E3F593ECB8D8023B18EAA698426">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="25E31B13BBFDC09A3C4F6B5C775AB56C">Caira, Janine N.</mods:namePart>
<mods:nameIdentifier id="3CDE0402C3DB8E7419D4F0F6465DF4C3" type="ORCID">0000-0001-9597-6978</mods:nameIdentifier>
<mods:affiliation id="271502E8163A939648C43BAA97A507BE">Department of Ecology &amp; Evolutionary Biology, University of Connecticut, 75 N. Eagleville Rd., Storrs, CT 06269 - 3043, USA. janine. caira @ uconn. edu; https: // orcid. org / 0000 - 0001 - 9597 - 6978</mods:affiliation>
<mods:nameIdentifier id="4D1641D371987AD6E09C0C52FE169721" type="email">janine.caira@uconn.edu</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource id="F2CE8792EFA99ABC76B90E395BE27496">text</mods:typeOfResource>
<mods:relatedItem id="F8CF861221C8E4308218401F496D323C" type="host">
<mods:titleInfo id="21D63FCBA0D2EC925C0DCACF7719073F">
<mods:title id="BCD27FBDF2C54F9638DE36D9780470F0">Zootaxa</mods:title>
</mods:titleInfo>
<mods:part id="92F28DC7D9C71D65265CC55E68E8BC12">
<mods:date id="A094FF4E396449E4F9FF8A0E539EA63D">2021</mods:date>
<mods:detail id="6F09C286C0231A321B14C6AC04FB93A2" type="pubDate">
<mods:number id="DC9048C76CC85DA340FAF2D94805698D">2021-07-12</mods:number>
</mods:detail>
<mods:detail id="BEFD02D1D7E4D7DB908ACCDD1EAAFA61" type="volume">
<mods:number id="14DE37DCE383A1C7FF22CABF9D911400">4999</mods:number>
</mods:detail>
<mods:detail id="68359ED814196F9B84F344E2859EADCD" type="issue">
<mods:number id="9CF407445F0B9A1B737CBDEE933A67BD">3</mods:number>
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<mods:extent id="A4E1CD72AC6181BC3862BDCDC0918826" unit="page">
<mods:start id="79A2CC2DA28A6282F00ACFE6653DEA45">201</mods:start>
<mods:end id="4CEDFC079442F7966EA75707331FDBA0">218</mods:end>
</mods:extent>
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<mods:classification id="1643F6D591F85DF5D193137E8D59BAC8">journal article</mods:classification>
<mods:identifier id="84A62415B1507DCC3E366A6D9BAB461B" type="DOI">10.11646/zootaxa.4999.3.1</mods:identifier>
<mods:identifier id="E21E69439691E2422ED5B753C9A1ED84" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="A61CD7612D2B4FD790F4334D165C2665" type="Zenodo-Dep">5118878</mods:identifier>
<mods:identifier id="4AFAF52C4599999704384798B6DEB522" type="ZooBank">051E68AE-6A5B-44AC-8F90-AEECB8997883</mods:identifier>
</mods:mods>
<treatment id="2A0987A5FFC3FFFAFF7A39212008FE80" ID-DOI="http://doi.org/10.5281/zenodo.5118890" ID-Zenodo-Dep="5118890" LSID="urn:lsid:zoobank.org:act:930A6E47-571D-411F-9377-2DD6E8351AE1" httpUri="http://treatment.plazi.org/id/2A0987A5FFC3FFFAFF7A39212008FE80" lastPageId="13" lastPageNumber="213" pageId="10" pageNumber="211">
<subSubSection id="EABA6538FFC3FFFDFF7A39212739FA87" box="[151,614,1322,1349]" pageId="10" pageNumber="211" type="nomenclature">
<paragraph id="A21F36B3FFC3FFFDFF7A39212739FA87" blockId="10.[151,958,1322,1422]" box="[151,614,1322,1349]" pageId="10" pageNumber="211">
<heading id="F95781DFFFC3FFFDFF7A39212739FA87" bold="true" box="[151,614,1322,1349]" fontSize="11" level="1" pageId="10" pageNumber="211" reason="1">
<emphasis id="90D4EAA1FFC3FFFDFF7A39212739FA87" bold="true" box="[151,614,1322,1349]" pageId="10" pageNumber="211">
<taxonomicName id="65A04D30FFC3FFFDFF7A39212743FA87" authority="Jensen &amp; Pen &amp; Caira, 2021" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" box="[151,540,1322,1349]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="10" pageNumber="211" phylum="Platyhelminthes" rank="species" species="nagasawai" status="sp. nov.">
<emphasis id="90D4EAA1FFC3FFFDFF7A39212743FA87" bold="true" box="[151,540,1322,1349]" italics="true" pageId="10" pageNumber="211">Myzophyllobothrium nagasawai</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8BE757DAFFC3FFFDFDCE39202739FA87" box="[547,614,1323,1349]" pageId="10" pageNumber="211" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="EABA6538FFC3FFFDFF7A394426E1FA4C" pageId="10" pageNumber="211" type="description">
<paragraph id="A21F36B3FFC3FFFDFF7A394424C6FAA8" blockId="10.[151,958,1322,1422]" box="[151,409,1359,1386]" pageId="10" pageNumber="211">
(
<figureCitation id="3A9B2A36FFC3FFFDFF7239442440FAAB" box="[159,287,1359,1385]" captionStart="FIGURE 2" captionStartId="7.[151,250,1833,1857]" captionTargetBox="[204,1386,190,1799]" captionTargetId="figure-17@7.[192,1395,181,1809]" captionTargetPageId="7" captionText="FIGURE 2. Line drawings of Myzophyllobothrium narinari (Shipley and Hornell, 1906) n. comb. from Aetobatus ocellatus from Sri Lanka (A–C) and of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (D–F). A. Scolex (USNM no. 1655906, voucher) of M. narinari. B. Whole worm (USNM no. 1655905, voucher) of M. narinari. C. Terminal mature proglottid (USNM no. 1655903, voucher) of M. narinari. D. Scolex (USNM no. 1655912, paratype) of M. nagasawai. E. Whole worm (MPM no. 21757, holotype) of M. nagasawai. F. Terminal mature proglottid (USNM no. 1655911, paratype) of M. nagasawai." figureDoi="http://doi.org/10.5281/zenodo.5118884" httpUri="https://zenodo.org/record/5118884/files/figure.png" pageId="10" pageNumber="211">Figs. 2D–F</figureCitation>
,
<figureCitation id="3A9B2A36FFC3FFFDFEC739442429FAA8" box="[298,374,1359,1386]" captionStart="FIGURE 5" captionStartId="11.[151,250,1754,1778]" captionTargetBox="[209,1378,181,1731]" captionTargetId="figure-17@11.[209,1378,181,1731]" captionTargetPageId="11" captionText="FIGURE 5. Scanning electron micrographs of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (A–M) and of Myzophyllobothrium cf. nagasawai from Aetobatus narutobiei from Viet Nam (N). A. Scolex of M. nagasawai; small letters indicate locations of details in C–J; arrowhead points to primary areola. B. Surface of scolex proper of M. nagasawai. C. Distal surface of anterior loculus of M. nagasawai. D. Distal surface of posterior loculus of M. nagasawai. E. Proximal surface posterior loculus of M. nagasawai. F. Distal surface of remus of M. nagasawai. G. Proximal surface of remus of M. nagasawai. H. Proximal surface of primary areola of M. nagasawai. I. Rim of remus of M. nagasawai. J. Strobilar surface of M. nagasawai. K. Base of everted cirrus of M. nagasawai. L. Tip of everted cirrus of M. nagasawai. M. Eggs of M. nagasawai. N. Scolex of M. cf. nagasawai; arrowheads point to primary areolae." figureDoi="http://doi.org/10.5281/zenodo.5118896" httpUri="https://zenodo.org/record/5118896/files/figure.png" pageId="10" pageNumber="211">5A–M</figureCitation>
,
<figureCitation id="3A9B2A36FFC3FFFDFE6C394424CFFAA8" box="[385,400,1359,1386]" captionStart="FIGURE 6" captionStartId="13.[151,250,1057,1081]" captionTargetBox="[151,1436,345,1033]" captionTargetId="figure-114@13.[151,1436,345,1033]" captionTargetPageId="13" captionText="FIGURE 6. Photomicrographs of histological sections of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan. A. Cross section through detached gravid proglottid between cirrus sac and ovary. B. Cross section through mature proglottid at level of ovarian bridge. C. Eggs. Abbreviations: O, ovary; T, testes; U, uterus; UD, uterine duct; V, vitelline follicles; VA, vagina; VE, ventral excretory vessel." figureDoi="http://doi.org/10.5281/zenodo.5118898" httpUri="https://zenodo.org/record/5118898/files/figure.png" pageId="10" pageNumber="211">6</figureCitation>
)
</paragraph>
<paragraph id="A21F36B3FFC3FFFDFF7A397826E1FA4C" blockId="10.[151,958,1322,1422]" box="[151,958,1395,1422]" pageId="10" pageNumber="211">
<uri id="D6313AB1FFC3FFFDFF7A397826E1FA4C" box="[151,958,1395,1422]" pageId="10" pageNumber="211">
urn:lsid:zoobank.org:act:
<uuid id="D6060C66FFC3FFFDFE47397826E1FA4C" box="[426,958,1395,1422]" pageId="10" pageNumber="211">930A6E47-571D-411F-9377-2DD6E8351AE1</uuid>
</uri>
</paragraph>
</subSubSection>
<subSubSection id="EABA6538FFC3FFFDFF7A39B02497F8A3" pageId="10" pageNumber="211" type="materials_examined">
<paragraph id="A21F36B3FFC3FFFDFF7A39B021B0FA17" blockId="10.[151,1437,1467,1961]" box="[151,1263,1467,1493]" pageId="10" pageNumber="211">
<emphasis id="90D4EAA1FFC3FFFDFF7A39B02485FA17" bold="true" box="[151,474,1467,1493]" pageId="10" pageNumber="211">
<typeStatus id="7D1B8811FFC3FFFDFF7A39B0258DFA17" box="[151,210,1467,1493]" pageId="10" pageNumber="211">Type</typeStatus>
and only known host:
</emphasis>
Naru eagle ray,
<taxonomicName id="65A04D30FFC3FFFDFD7F39B02621FA17" box="[658,894,1467,1493]" class="Elasmobranchii" family="Myliobatidae" genus="Aetobatus" kingdom="Animalia" order="Myliobatiformes" pageId="10" pageNumber="211" phylum="Chordata" rank="species" species="narutobiei">
<emphasis id="90D4EAA1FFC3FFFDFD7F39B02621FA17" box="[658,894,1467,1493]" italics="true" pageId="10" pageNumber="211">Aetobatus narutobiei</emphasis>
</taxonomicName>
(
<taxonomicName id="65A04D30FFC3FFFDFC6139B02110FA17" authorityName="Compagno" authorityYear="1973" box="[908,1103,1467,1493]" class="Elasmobranchii" kingdom="Animalia" order="Myliobatiformes" pageId="10" pageNumber="211" phylum="Chordata" rank="order">Myliobatiformes</taxonomicName>
:
<taxonomicName id="65A04D30FFC3FFFDFBB539B02180FA17" authorityName="Agassiz" authorityYear="1858" box="[1112,1247,1467,1493]" class="Elasmobranchii" family="Aetobatidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="10" pageNumber="211" phylum="Chordata" rank="family">Aetobatidae</taxonomicName>
).
</paragraph>
<paragraph id="A21F36B3FFC3FFFDFF2A39D4272AFA3B" blockId="10.[151,1437,1467,1961]" box="[199,629,1503,1529]" pageId="10" pageNumber="211">
<materialsCitation id="12C83CEEFFC3FFFDFF2A39D4272EFA3B" box="[199,625,1503,1529]" country="Japan" location="Seto Inland Sea" pageId="10" pageNumber="211" specimenCount="1" typeStatus="holotype">
<emphasis id="90D4EAA1FFC3FFFDFF2A39D42436FA3B" bold="true" box="[199,361,1503,1529]" pageId="10" pageNumber="211">
<typeStatus id="7D1B8811FFC3FFFDFF2A39D4245DFA3B" box="[199,258,1503,1529]" pageId="10" pageNumber="211">Type</typeStatus>
locality:
</emphasis>
<location id="A77F6068FFC3FFFDFE9D39D4277CFA3B" LSID="urn:lsid:plazi:treatment:2A0987A5FFC3FFFAFF7A39212008FE80:A77F6068FFC3FFFDFE9D39D4277CFA3B" box="[368,547,1503,1529]" country="Japan" name="Seto Inland Sea" pageId="10" pageNumber="211">Seto Inland Sea</location>
,
<collectingCountry id="DAB77623FFC3FFFDFDC339D4272EFA3B" box="[558,625,1503,1529]" name="Japan" pageId="10" pageNumber="211">Japan</collectingCountry>
</materialsCitation>
.
</paragraph>
<paragraph id="A21F36B3FFC3FFFDFF2A3A09271CF9DF" blockId="10.[151,1437,1467,1961]" box="[199,579,1538,1565]" pageId="10" pageNumber="211">
<emphasis id="90D4EAA1FFC3FFFDFF2A3A0924D4F9DF" bold="true" box="[199,395,1538,1565]" pageId="10" pageNumber="211">Site of infection:</emphasis>
Spiral intestine.
</paragraph>
<paragraph id="A21F36B3FFC3FFFDFF2A3A2C27CFF8FF" blockId="10.[151,1437,1467,1961]" pageId="10" pageNumber="211">
<emphasis id="90D4EAA1FFC3FFFDFF2A3A2C24D4F983" bold="true" box="[199,395,1575,1601]" pageId="10" pageNumber="211">Type specimens:</emphasis>
<materialsCitation id="12C83CEEFFC3FFFDFE7C3A2C27CFF8FF" collectionCode="MPM, USNM, LRP" location="University" pageId="10" pageNumber="211" specimenCount="4" specimenCount-egg="1" stateProvince="Kansas" typeStatus="holotype">
<typeStatus id="7D1B8811FFC3FFFDFE7C3A2C24A6F983" box="[401,505,1575,1601]" pageId="10" pageNumber="211" type="holotype">Holotype</typeStatus>
(complete mature worm;
<collectionCode id="C4B1AE76FFC3FFFDFCF73A2C2604F983" box="[794,859,1575,1601]" country="USA" httpUri="http://grbio.org/cool/7hds-psx6" name="Milwaukee Public Museum" pageId="10" pageNumber="211" type="Museum">MPM</collectionCode>
no. 21757) and
<specimenCount id="B4A6FD3AFFC3FFFDFBE23A2C21F0F983" box="[1039,1199,1575,1601]" pageId="10" pageNumber="211" type="generic" typeStatus="paratypes">four paratypes</specimenCount>
(one incomplete mature worm, one detached pre-gravid proglottid, and one detached gravid proglottid [
<collectionCode id="C4B1AE76FFC3FFFDFBAC3A4021DAF9A7" box="[1089,1157,1611,1637]" country="USA" httpUri="http://grbio.org/cool/7hds-psx6" name="Milwaukee Public Museum" pageId="10" pageNumber="211" type="Museum">MPM</collectionCode>
no. 21758], and
<specimenCount id="B4A6FD3AFFC3FFFDFAA93A4020C3F9A7" box="[1348,1436,1611,1637]" pageId="10" pageNumber="211" type="egg">one egg</specimenCount>
preparation [
<collectionCode id="C4B1AE76FFC3FFFDFECE3A642438F94B" box="[291,359,1647,1673]" country="USA" httpUri="http://grbio.org/cool/7hds-psx6" name="Milwaukee Public Museum" pageId="10" pageNumber="211" type="Museum">MPM</collectionCode>
no. 21759]);
<specimenCount id="B4A6FD3AFFC3FFFDFE123A6427CEF94B" box="[511,657,1647,1673]" pageId="10" pageNumber="211" type="generic" typeStatus="paratypes">six paratypes</specimenCount>
(three complete mature worms [
<collectionCode id="C4B1AE76FFC3FFFDFC173A642111F94B" box="[1018,1102,1647,1673]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="10" pageNumber="211" type="Museum">USNM</collectionCode>
nos. 1655910–1655912], two detached gravid proglottids [
<collectionCode id="C4B1AE76FFC3FFFDFE313A98276FF96F" box="[476,560,1683,1709]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="10" pageNumber="211" type="Museum">USNM</collectionCode>
nos. 1655913 and 1655914], and one proglottid cross-section series [
<collectionCode id="C4B1AE76FFC3FFFDFAA53A9820C3F96F" box="[1352,1436,1683,1709]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="10" pageNumber="211" type="Museum">USNM</collectionCode>
no. 1655915]);
<specimenCount id="B4A6FD3AFFC3FFFDFEA63ABC24B4F913" box="[331,491,1719,1745]" pageId="10" pageNumber="211" type="generic" typeStatus="paratypes">five paratypes</specimenCount>
(two complete mature worms [
<collectionCode id="C4B1AE76FFC3FFFDFCB53ABC26D2F913" box="[856,909,1719,1745]" pageId="10" pageNumber="211">LRP</collectionCode>
nos. 10351 and 10352], two detached gravid proglottids [
<collectionCode id="C4B1AE76FFC3FFFDFEF03AD0240DF937" box="[285,338,1755,1781]" pageId="10" pageNumber="211">LRP</collectionCode>
nos. 10353 and 10354], and one proglottid cross-section series [
<collectionCode id="C4B1AE76FFC3FFFDFBF23AD0210BF937" box="[1055,1108,1755,1781]" pageId="10" pageNumber="211">LRP</collectionCode>
nos. 10355–10358]) and two SEM strobilar vouchers (
<collectionCode id="C4B1AE76FFC3FFFDFE5C3AF424BAF8DB" box="[433,485,1791,1817]" pageId="10" pageNumber="211">LRP</collectionCode>
nos. 10359 and 10360); two scolices and one gravid proglottid examined with SEM retained with KJ at the
<location id="A77F6068FFC3FFFDFE713B28274DF8FF" LSID="urn:lsid:plazi:treatment:2A0987A5FFC3FFFAFF7A39212008FE80:A77F6068FFC3FFFDFE713B28274DF8FF" box="[412,530,1827,1853]" name="University" pageId="10" pageNumber="211" stateProvince="Kansas">University</location>
of
<collectingRegion id="6064F851FFC3FFFDFDDA3B2827D4F8FF" box="[567,651,1827,1853]" country="United States of America" name="Kansas" pageId="10" pageNumber="211">Kansas</collectingRegion>
.
</materialsCitation>
</paragraph>
<paragraph id="A21F36B3FFC3FFFDFF2A3B4D2497F8A3" blockId="10.[151,1437,1467,1961]" box="[199,456,1862,1889]" pageId="10" pageNumber="211">
<emphasis id="90D4EAA1FFC3FFFDFF2A3B4D2423F8A3" bold="true" box="[199,380,1862,1889]" pageId="10" pageNumber="211">Sequence data:</emphasis>
None.
</paragraph>
</subSubSection>
<subSubSection id="EABA6538FFC3FFFDFF2A3B602046F86B" pageId="10" pageNumber="211" type="etymology">
<paragraph id="A21F36B3FFC3FFFDFF2A3B602046F86B" blockId="10.[151,1437,1467,1961]" pageId="10" pageNumber="211">
<emphasis id="90D4EAA1FFC3FFFDFF2A3B60240DF847" bold="true" box="[199,338,1899,1925]" pageId="10" pageNumber="211">Etymology:</emphasis>
This species is named in honor of Kazuya Nagasawa of
<collectingRegion id="6064F851FFC3FFFDFC203B60211CF847" box="[973,1091,1899,1925]" country="Japan" name="Hiroshima" pageId="10" pageNumber="211">Hiroshima</collectingRegion>
University,
<collectingCountry id="DAB77623FFC3FFFDFB203B60204FF847" box="[1229,1296,1899,1925]" name="Japan" pageId="10" pageNumber="211">Japan</collectingCountry>
, for his contributions to marine parasitology and for collecting the specimens on which this description was based.
</paragraph>
</subSubSection>
<caption id="F6DF663BFFC2FFFCFF7A3AD1260EF82C" ID-DOI="http://doi.org/10.5281/zenodo.5118896" ID-Zenodo-Dep="5118896" httpUri="https://zenodo.org/record/5118896/files/figure.png" pageId="11" pageNumber="212" startId="11.[151,250,1754,1778]" targetBox="[209,1378,181,1731]" targetPageId="11">
<paragraph id="A21F36B3FFC2FFFCFF7A3AD1260EF82C" blockId="11.[151,1437,1754,2031]" pageId="11" pageNumber="212">
<emphasis id="90D4EAA1FFC2FFFCFF7A3AD1244BF931" bold="true" box="[151,276,1754,1779]" pageId="11" pageNumber="212">FIGURE 5.</emphasis>
Scanning electron micrographs of
<taxonomicName id="65A04D30FFC2FFFCFD923AD12697F930" authority="Jensen &amp; Pen &amp; Caira, 2021" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" box="[639,968,1754,1778]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="11" pageNumber="212" phylum="Platyhelminthes" rank="species" species="nagasawai" status="sp. nov.">
<emphasis id="90D4EAA1FFC2FFFCFD923AD12697F930" box="[639,968,1754,1778]" italics="true" pageId="11" pageNumber="212">Myzophyllobothrium nagasawai</emphasis>
</taxonomicName>
<emphasis id="90D4EAA1FFC2FFFCFC3D3AD02155F931" bold="true" box="[976,1034,1755,1779]" pageId="11" pageNumber="212">
<taxonomicNameLabel id="8BE757DAFFC2FFFCFC3D3AD02155F931" box="[976,1034,1755,1779]" pageId="11" pageNumber="212" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
from
<taxonomicName id="65A04D30FFC2FFFCFBA63AD1207DF930" box="[1099,1314,1754,1778]" class="Elasmobranchii" family="Myliobatidae" genus="Aetobatus" kingdom="Animalia" order="Myliobatiformes" pageId="11" pageNumber="212" phylum="Chordata" rank="species" species="narutobiei">
<emphasis id="90D4EAA1FFC2FFFCFBA63AD1207DF930" box="[1099,1314,1754,1778]" italics="true" pageId="11" pageNumber="212">Aetobatus narutobiei</emphasis>
</taxonomicName>
from Japan (
<emphasis id="90D4EAA1FFC2FFFCFF4D3AF52588F8D4" bold="true" box="[160,215,1790,1814]" pageId="11" pageNumber="212">A–M</emphasis>
) and of
<taxonomicName id="65A04D30FFC2FFFCFEC13AF527CAF8D4" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" box="[300,661,1790,1814]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="11" pageNumber="212" phylum="Platyhelminthes" rank="species" species="nagasawai">
<emphasis id="90D4EAA1FFC2FFFCFEC13AF524A0F8D4" box="[300,511,1790,1814]" italics="true" pageId="11" pageNumber="212">Myzophyllobothrium</emphasis>
cf.
<emphasis id="90D4EAA1FFC2FFFCFDCA3AF427CAF8D4" box="[551,661,1791,1814]" italics="true" pageId="11" pageNumber="212">nagasawai</emphasis>
</taxonomicName>
from
<taxonomicName id="65A04D30FFC2FFFCFD3E3AF526F6F8D4" box="[723,937,1790,1814]" class="Elasmobranchii" family="Myliobatidae" genus="Aetobatus" kingdom="Animalia" order="Myliobatiformes" pageId="11" pageNumber="212" phylum="Chordata" rank="species" species="narutobiei">
<emphasis id="90D4EAA1FFC2FFFCFD3E3AF526F6F8D4" box="[723,937,1790,1814]" italics="true" pageId="11" pageNumber="212">Aetobatus narutobiei</emphasis>
</taxonomicName>
from Viet Nam (
<emphasis id="90D4EAA1FFC2FFFCFBBA3AF42136F8D5" bold="true" box="[1111,1129,1791,1815]" pageId="11" pageNumber="212">N</emphasis>
).
<emphasis id="90D4EAA1FFC2FFFCFB923AF521C7F8D4" bold="true" box="[1151,1176,1790,1814]" pageId="11" pageNumber="212">A.</emphasis>
Scolex of
<taxonomicName id="65A04D30FFC2FFFCFAE83AF420CAF8D4" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" box="[1285,1429,1791,1814]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="11" pageNumber="212" phylum="Platyhelminthes" rank="species" species="nagasawai">
<emphasis id="90D4EAA1FFC2FFFCFAE83AF42045F8D4" box="[1285,1306,1791,1814]" italics="true" pageId="11" pageNumber="212">M</emphasis>
.
<emphasis id="90D4EAA1FFC2FFFCFACA3AF420CAF8D4" box="[1319,1429,1791,1814]" italics="true" pageId="11" pageNumber="212">nagasawai</emphasis>
</taxonomicName>
; small letters indicate locations of details in C–J; arrowhead points to primary areola.
<emphasis id="90D4EAA1FFC2FFFCFC1F3B282156F8F9" bold="true" box="[1010,1033,1827,1851]" pageId="11" pageNumber="212">B.</emphasis>
Surface of scolex proper of
<taxonomicName id="65A04D30FFC2FFFCFAC43B2825E3F89C" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="11" pageNumber="212" phylum="Platyhelminthes" rank="species" species="nagasawai">
<emphasis id="90D4EAA1FFC2FFFCFAC43B282061F8F8" box="[1321,1342,1827,1850]" italics="true" pageId="11" pageNumber="212">M</emphasis>
.
<emphasis id="90D4EAA1FFC2FFFCFAA63B2825E3F89C" italics="true" pageId="11" pageNumber="212">nagasawai</emphasis>
</taxonomicName>
.
<emphasis id="90D4EAA1FFC2FFFCFF253B4D25BEF89C" bold="true" box="[200,225,1862,1886]" pageId="11" pageNumber="212">C.</emphasis>
Distal surface of anterior loculus of
<taxonomicName id="65A04D30FFC2FFFCFDB93B4C27BCF89C" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" box="[596,739,1863,1886]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="11" pageNumber="212" phylum="Platyhelminthes" rank="species" species="nagasawai">
<emphasis id="90D4EAA1FFC2FFFCFDB93B4C2736F89C" box="[596,617,1863,1886]" italics="true" pageId="11" pageNumber="212">M</emphasis>
.
<emphasis id="90D4EAA1FFC2FFFCFD983B4C27BCF89C" box="[629,739,1863,1886]" italics="true" pageId="11" pageNumber="212">nagasawai</emphasis>
</taxonomicName>
.
<emphasis id="90D4EAA1FFC2FFFCFD023B4C2657F89D" bold="true" box="[751,776,1863,1887]" pageId="11" pageNumber="212">D.</emphasis>
Distal surface of posterior loculus of
<taxonomicName id="65A04D30FFC2FFFCFB6B3B4C2049F89C" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" box="[1158,1302,1863,1886]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="11" pageNumber="212" phylum="Platyhelminthes" rank="species" species="nagasawai">
<emphasis id="90D4EAA1FFC2FFFCFB6B3B4C21C4F89C" box="[1158,1179,1863,1886]" italics="true" pageId="11" pageNumber="212">M</emphasis>
.
<emphasis id="90D4EAA1FFC2FFFCFB453B4C2049F89C" box="[1192,1302,1863,1886]" italics="true" pageId="11" pageNumber="212">nagasawai</emphasis>
</taxonomicName>
.
<emphasis id="90D4EAA1FFC2FFFCFACF3B4C2066F89D" bold="true" box="[1314,1337,1863,1887]" pageId="11" pageNumber="212">E.</emphasis>
Proximal surface posterior loculus of
<taxonomicName id="65A04D30FFC2FFFCFE543B602715F840" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" box="[441,586,1899,1922]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="11" pageNumber="212" phylum="Platyhelminthes" rank="species" species="nagasawai">
<emphasis id="90D4EAA1FFC2FFFCFE543B602491F840" box="[441,462,1899,1922]" italics="true" pageId="11" pageNumber="212">M</emphasis>
.
<emphasis id="90D4EAA1FFC2FFFCFE313B602715F840" box="[476,586,1899,1922]" italics="true" pageId="11" pageNumber="212">nagasawai</emphasis>
</taxonomicName>
.
<emphasis id="90D4EAA1FFC2FFFCFDB53B602734F841" bold="true" box="[600,619,1899,1923]" pageId="11" pageNumber="212">F.</emphasis>
Distal surface of remus of
<taxonomicName id="65A04D30FFC2FFFCFC643B602144F840" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" box="[905,1051,1899,1922]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="11" pageNumber="212" phylum="Platyhelminthes" rank="species" species="nagasawai">
<emphasis id="90D4EAA1FFC2FFFCFC643B6026C1F840" box="[905,926,1899,1922]" italics="true" pageId="11" pageNumber="212">M</emphasis>
.
<emphasis id="90D4EAA1FFC2FFFCFC403B602144F840" box="[941,1051,1899,1922]" italics="true" pageId="11" pageNumber="212">nagasawai</emphasis>
</taxonomicName>
.
<emphasis id="90D4EAA1FFC2FFFCFBC43B61211CF840" bold="true" box="[1065,1091,1898,1922]" pageId="11" pageNumber="212">G.</emphasis>
Proximal surface of remus of
<taxonomicName id="65A04D30FFC2FFFCFA6C3B60245AF864" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="11" pageNumber="212" phylum="Platyhelminthes" rank="species" species="nagasawai">
<emphasis id="90D4EAA1FFC2FFFCFA6C3B6020C9F840" box="[1409,1430,1899,1922]" italics="true" pageId="11" pageNumber="212">M</emphasis>
.
<emphasis id="90D4EAA1FFC2FFFCFF7A3B84245AF864" box="[151,261,1935,1958]" italics="true" pageId="11" pageNumber="212">nagasawai</emphasis>
</taxonomicName>
.
<emphasis id="90D4EAA1FFC2FFFCFEFF3B842473F865" bold="true" box="[274,300,1935,1959]" pageId="11" pageNumber="212">H.</emphasis>
Proximal surface of primary areola of
<taxonomicName id="65A04D30FFC2FFFCFD563B842613F864" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" box="[699,844,1935,1958]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="11" pageNumber="212" phylum="Platyhelminthes" rank="species" species="nagasawai">
<emphasis id="90D4EAA1FFC2FFFCFD563B84278FF864" box="[699,720,1935,1958]" italics="true" pageId="11" pageNumber="212">M</emphasis>
.
<emphasis id="90D4EAA1FFC2FFFCFD333B842613F864" box="[734,844,1935,1958]" italics="true" pageId="11" pageNumber="212">nagasawai</emphasis>
</taxonomicName>
.
<emphasis id="90D4EAA1FFC2FFFCFCB43B842636F865" bold="true" box="[857,873,1935,1959]" pageId="11" pageNumber="212">I.</emphasis>
Rim of remus of
<taxonomicName id="65A04D30FFC2FFFCFBCD3B8421EFF864" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" box="[1056,1200,1935,1958]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="11" pageNumber="212" phylum="Platyhelminthes" rank="species" species="nagasawai">
<emphasis id="90D4EAA1FFC2FFFCFBCD3B84216AF864" box="[1056,1077,1935,1958]" italics="true" pageId="11" pageNumber="212">M</emphasis>
.
<emphasis id="90D4EAA1FFC2FFFCFBAF3B8421EFF864" box="[1090,1200,1935,1958]" italics="true" pageId="11" pageNumber="212">nagasawai</emphasis>
</taxonomicName>
.
<emphasis id="90D4EAA1FFC2FFFCFB503B84218FF865" bold="true" box="[1213,1232,1935,1959]" pageId="11" pageNumber="212">J.</emphasis>
Strobilar surface of
<taxonomicName id="65A04D30FFC2FFFCFF7A3BB82479F808" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" box="[151,294,1971,1994]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="11" pageNumber="212" phylum="Platyhelminthes" rank="species" species="nagasawai">
<emphasis id="90D4EAA1FFC2FFFCFF7A3BB825F3F808" box="[151,172,1971,1994]" italics="true" pageId="11" pageNumber="212">M</emphasis>
.
<emphasis id="90D4EAA1FFC2FFFCFF553BB82479F808" box="[184,294,1971,1994]" italics="true" pageId="11" pageNumber="212">nagasawai</emphasis>
</taxonomicName>
.
<emphasis id="90D4EAA1FFC2FFFCFEDF3BB82412F809" bold="true" box="[306,333,1971,1995]" pageId="11" pageNumber="212">K.</emphasis>
Base of everted cirrus of
<taxonomicName id="65A04D30FFC2FFFCFDA23BB82781F808" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" box="[591,734,1971,1994]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="11" pageNumber="212" phylum="Platyhelminthes" rank="species" species="nagasawai">
<emphasis id="90D4EAA1FFC2FFFCFDA23BB8273BF808" box="[591,612,1971,1994]" italics="true" pageId="11" pageNumber="212">M</emphasis>
.
<emphasis id="90D4EAA1FFC2FFFCFD9D3BB82781F808" box="[624,734,1971,1994]" italics="true" pageId="11" pageNumber="212">nagasawai</emphasis>
</taxonomicName>
.
<emphasis id="90D4EAA1FFC2FFFCFD073BB8265EF809" bold="true" box="[746,769,1971,1995]" pageId="11" pageNumber="212">L.</emphasis>
Tip of everted cirrus of
<taxonomicName id="65A04D30FFC2FFFCFC193BB821DBF808" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" box="[1012,1156,1971,1994]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="11" pageNumber="212" phylum="Platyhelminthes" rank="species" species="nagasawai">
<emphasis id="90D4EAA1FFC2FFFCFC193BB82156F808" box="[1012,1033,1971,1994]" italics="true" pageId="11" pageNumber="212">M</emphasis>
.
<emphasis id="90D4EAA1FFC2FFFCFBFB3BB821DBF808" box="[1046,1156,1971,1994]" italics="true" pageId="11" pageNumber="212">nagasawai</emphasis>
</taxonomicName>
.
<emphasis id="90D4EAA1FFC2FFFCFB623BB821F1F809" bold="true" box="[1167,1198,1971,1995]" pageId="11" pageNumber="212">M.</emphasis>
Eggs of
<taxonomicName id="65A04D30FFC2FFFCFAEA3BB820C9F808" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" box="[1287,1430,1971,1994]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="11" pageNumber="212" phylum="Platyhelminthes" rank="species" species="nagasawai">
<emphasis id="90D4EAA1FFC2FFFCFAEA3BB82043F808" box="[1287,1308,1971,1994]" italics="true" pageId="11" pageNumber="212">M</emphasis>
.
<emphasis id="90D4EAA1FFC2FFFCFAC53BB820C9F808" box="[1320,1430,1971,1994]" italics="true" pageId="11" pageNumber="212">nagasawai</emphasis>
</taxonomicName>
.
<emphasis id="90D4EAA1FFC2FFFCFF7A3BDC25EFF82D" bold="true" box="[151,176,2007,2031]" pageId="11" pageNumber="212">N.</emphasis>
Scolex of
<taxonomicName id="65A04D30FFC2FFFCFEF03BDC2492F82C" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" box="[285,461,2006,2030]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="11" pageNumber="212" phylum="Platyhelminthes" rank="species" species="nagasawai">
<emphasis id="90D4EAA1FFC2FFFCFEF03BDC246DF82C" box="[285,306,2007,2030]" italics="true" pageId="11" pageNumber="212">M</emphasis>
. cf.
<emphasis id="90D4EAA1FFC2FFFCFEB23BDC2492F82C" box="[351,461,2007,2030]" italics="true" pageId="11" pageNumber="212">nagasawai</emphasis>
</taxonomicName>
; arrowheads point to primary areolae.
</paragraph>
</caption>
<subSubSection id="EABA6538FFC5FFFBFF2A3C9D2417F993" pageId="12" pageNumber="213" type="description">
<paragraph id="A21F36B3FFC5FFFBFF2A3C9D2690FF3B" blockId="12.[151,1443,150,2013]" pageId="12" pageNumber="213">
<emphasis id="90D4EAA1FFC5FFFBFF2A3C9D2406FF72" bold="true" box="[199,345,150,176]" pageId="12" pageNumber="213">Description.</emphasis>
Based on six complete mature worms, one incomplete mature worm, one detached pre-gravid proglottid, five detached gravid proglottids, two cross-section series of mature proglottids, two scolices and one detached gravid proglottid examined with SEM, and
<specimenCount id="B4A6FD3AFFC5FFFBFD043CD4261EFF3B" box="[745,833,223,249]" pageId="12" pageNumber="213" type="egg">one egg</specimenCount>
preparation.
</paragraph>
<paragraph id="A21F36B3FFC5FFFBFF2A3D08262FFD47" blockId="12.[151,1443,150,2013]" pageId="12" pageNumber="213">
Worms euapolytic, slightly craspedote, 16.6–24.3 (20.0 ± 2.8; 6) mm long; proglottids 90–118 (99 ± 11; 6) in total number; maximum width at level of scolex (
<figureCitation id="3A9B2A36FFC5FFFBFD483D2C27A3FE83" box="[677,764,295,321]" captionStart="FIGURE 2" captionStartId="7.[151,250,1833,1857]" captionTargetBox="[204,1386,190,1799]" captionTargetId="figure-17@7.[192,1395,181,1809]" captionTargetPageId="7" captionText="FIGURE 2. Line drawings of Myzophyllobothrium narinari (Shipley and Hornell, 1906) n. comb. from Aetobatus ocellatus from Sri Lanka (A–C) and of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (D–F). A. Scolex (USNM no. 1655906, voucher) of M. narinari. B. Whole worm (USNM no. 1655905, voucher) of M. narinari. C. Terminal mature proglottid (USNM no. 1655903, voucher) of M. narinari. D. Scolex (USNM no. 1655912, paratype) of M. nagasawai. E. Whole worm (MPM no. 21757, holotype) of M. nagasawai. F. Terminal mature proglottid (USNM no. 1655911, paratype) of M. nagasawai." figureDoi="http://doi.org/10.5281/zenodo.5118884" httpUri="https://zenodo.org/record/5118884/files/figure.png" pageId="12" pageNumber="213">Fig. 2E</figureCitation>
). Scolex 601–1,019 (762 ± 171.9; 7) long, 915–1,299 (1,092 ± 123.7; 7) wide, consisting of four acetabula and cephalic peduncle. Scolex proper 367–405 (390 ± 15.5; 5) wide. Acetabulum bothridiate in form, 255–374 (324 ± 41.7; 6; 12) long, biloculate, sessile anteriorly, free posteriorly; anterior loculus undivided, 98–163 (134 ± 18.3; 7; 14) long, 130–216 (164 ± 31.1; 7; 14) wide, without posterolateral extensions; posterior loculus undivided, 156–226 (196 ± 24.9; 6; 12) long, 135–201 (164 ± 19.6; 6; 11) wide. Cephalic peduncle bearing four stalked remi (
<figureCitation id="3A9B2A36FFC5FFFBFD623DD027ADFE37" box="[655,754,475,501]" captionStart="FIGURE 2" captionStartId="7.[151,250,1833,1857]" captionTargetBox="[204,1386,190,1799]" captionTargetId="figure-17@7.[192,1395,181,1809]" captionTargetPageId="7" captionText="FIGURE 2. Line drawings of Myzophyllobothrium narinari (Shipley and Hornell, 1906) n. comb. from Aetobatus ocellatus from Sri Lanka (A–C) and of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (D–F). A. Scolex (USNM no. 1655906, voucher) of M. narinari. B. Whole worm (USNM no. 1655905, voucher) of M. narinari. C. Terminal mature proglottid (USNM no. 1655903, voucher) of M. narinari. D. Scolex (USNM no. 1655912, paratype) of M. nagasawai. E. Whole worm (MPM no. 21757, holotype) of M. nagasawai. F. Terminal mature proglottid (USNM no. 1655911, paratype) of M. nagasawai." figureDoi="http://doi.org/10.5281/zenodo.5118884" httpUri="https://zenodo.org/record/5118884/files/figure.png" pageId="12" pageNumber="213">Figs. 2D</figureCitation>
,
<figureCitation id="3A9B2A36FFC5FFFBFD113DD1267DFE37" box="[764,802,474,501]" captionStart="FIGURE 5" captionStartId="11.[151,250,1754,1778]" captionTargetBox="[209,1378,181,1731]" captionTargetId="figure-17@11.[209,1378,181,1731]" captionTargetPageId="11" captionText="FIGURE 5. Scanning electron micrographs of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (A–M) and of Myzophyllobothrium cf. nagasawai from Aetobatus narutobiei from Viet Nam (N). A. Scolex of M. nagasawai; small letters indicate locations of details in C–J; arrowhead points to primary areola. B. Surface of scolex proper of M. nagasawai. C. Distal surface of anterior loculus of M. nagasawai. D. Distal surface of posterior loculus of M. nagasawai. E. Proximal surface posterior loculus of M. nagasawai. F. Distal surface of remus of M. nagasawai. G. Proximal surface of remus of M. nagasawai. H. Proximal surface of primary areola of M. nagasawai. I. Rim of remus of M. nagasawai. J. Strobilar surface of M. nagasawai. K. Base of everted cirrus of M. nagasawai. L. Tip of everted cirrus of M. nagasawai. M. Eggs of M. nagasawai. N. Scolex of M. cf. nagasawai; arrowheads point to primary areolae." figureDoi="http://doi.org/10.5281/zenodo.5118896" httpUri="https://zenodo.org/record/5118896/files/figure.png" pageId="12" pageNumber="213">5A</figureCitation>
); region between bothridia and remi, and region posterior or remi short; stalk 62–179 (116 ± 30.7; 6; 12) long, 144–234 (183 ± 28.5; 6; 11) wide; remus without stalk, weakly folded, slightly longer than wide, 455–880 (597 ± 185.6; 4; 6) long, 386–610 (494 ± 71.1; 6; 11) wide, tapering terminally, with terminal primary areola and inconspicuous subterminal secondary areola; primary areola 48–65 (56 ± 5.5; 6; 11) long, 84–125 (105 ± 14.3; 6; 11) wide. Neck absent.
</paragraph>
<paragraph id="A21F36B3FFC5FFFBFF2A3E8424ACFC9F" blockId="12.[151,1443,150,2013]" pageId="12" pageNumber="213">
Apex of scolex proper (
<figureCitation id="3A9B2A36FFC5FFFBFE353E84276DFD6B" box="[472,562,654,681]" captionStart="FIGURE 5" captionStartId="11.[151,250,1754,1778]" captionTargetBox="[209,1378,181,1731]" captionTargetId="figure-17@11.[209,1378,181,1731]" captionTargetPageId="11" captionText="FIGURE 5. Scanning electron micrographs of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (A–M) and of Myzophyllobothrium cf. nagasawai from Aetobatus narutobiei from Viet Nam (N). A. Scolex of M. nagasawai; small letters indicate locations of details in C–J; arrowhead points to primary areola. B. Surface of scolex proper of M. nagasawai. C. Distal surface of anterior loculus of M. nagasawai. D. Distal surface of posterior loculus of M. nagasawai. E. Proximal surface posterior loculus of M. nagasawai. F. Distal surface of remus of M. nagasawai. G. Proximal surface of remus of M. nagasawai. H. Proximal surface of primary areola of M. nagasawai. I. Rim of remus of M. nagasawai. J. Strobilar surface of M. nagasawai. K. Base of everted cirrus of M. nagasawai. L. Tip of everted cirrus of M. nagasawai. M. Eggs of M. nagasawai. N. Scolex of M. cf. nagasawai; arrowheads point to primary areolae." figureDoi="http://doi.org/10.5281/zenodo.5118896" httpUri="https://zenodo.org/record/5118896/files/figure.png" pageId="12" pageNumber="213">Fig. 5B</figureCitation>
), distal surface of anterior loculus (
<figureCitation id="3A9B2A36FFC5FFFBFC273E84217DFD6B" box="[970,1058,654,681]" captionStart="FIGURE 5" captionStartId="11.[151,250,1754,1778]" captionTargetBox="[209,1378,181,1731]" captionTargetId="figure-17@11.[209,1378,181,1731]" captionTargetPageId="11" captionText="FIGURE 5. Scanning electron micrographs of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (A–M) and of Myzophyllobothrium cf. nagasawai from Aetobatus narutobiei from Viet Nam (N). A. Scolex of M. nagasawai; small letters indicate locations of details in C–J; arrowhead points to primary areola. B. Surface of scolex proper of M. nagasawai. C. Distal surface of anterior loculus of M. nagasawai. D. Distal surface of posterior loculus of M. nagasawai. E. Proximal surface posterior loculus of M. nagasawai. F. Distal surface of remus of M. nagasawai. G. Proximal surface of remus of M. nagasawai. H. Proximal surface of primary areola of M. nagasawai. I. Rim of remus of M. nagasawai. J. Strobilar surface of M. nagasawai. K. Base of everted cirrus of M. nagasawai. L. Tip of everted cirrus of M. nagasawai. M. Eggs of M. nagasawai. N. Scolex of M. cf. nagasawai; arrowheads point to primary areolae." figureDoi="http://doi.org/10.5281/zenodo.5118896" httpUri="https://zenodo.org/record/5118896/files/figure.png" pageId="12" pageNumber="213">Fig. 5C</figureCitation>
) and posterior loculus (
<figureCitation id="3A9B2A36FFC5FFFBFADE3E8420D0FD6B" box="[1331,1423,654,681]" captionStart="FIGURE 5" captionStartId="11.[151,250,1754,1778]" captionTargetBox="[209,1378,181,1731]" captionTargetId="figure-17@11.[209,1378,181,1731]" captionTargetPageId="11" captionText="FIGURE 5. Scanning electron micrographs of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (A–M) and of Myzophyllobothrium cf. nagasawai from Aetobatus narutobiei from Viet Nam (N). A. Scolex of M. nagasawai; small letters indicate locations of details in C–J; arrowhead points to primary areola. B. Surface of scolex proper of M. nagasawai. C. Distal surface of anterior loculus of M. nagasawai. D. Distal surface of posterior loculus of M. nagasawai. E. Proximal surface posterior loculus of M. nagasawai. F. Distal surface of remus of M. nagasawai. G. Proximal surface of remus of M. nagasawai. H. Proximal surface of primary areola of M. nagasawai. I. Rim of remus of M. nagasawai. J. Strobilar surface of M. nagasawai. K. Base of everted cirrus of M. nagasawai. L. Tip of everted cirrus of M. nagasawai. M. Eggs of M. nagasawai. N. Scolex of M. cf. nagasawai; arrowheads point to primary areolae." figureDoi="http://doi.org/10.5281/zenodo.5118896" httpUri="https://zenodo.org/record/5118896/files/figure.png" pageId="12" pageNumber="213">Fig. 5D</figureCitation>
), proximal surface of anterior loculus and posterior loculus (
<figureCitation id="3A9B2A36FFC5FFFBFCC93EB82626FD0F" box="[804,889,690,717]" captionStart="FIGURE 5" captionStartId="11.[151,250,1754,1778]" captionTargetBox="[209,1378,181,1731]" captionTargetId="figure-17@11.[209,1378,181,1731]" captionTargetPageId="11" captionText="FIGURE 5. Scanning electron micrographs of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (A–M) and of Myzophyllobothrium cf. nagasawai from Aetobatus narutobiei from Viet Nam (N). A. Scolex of M. nagasawai; small letters indicate locations of details in C–J; arrowhead points to primary areola. B. Surface of scolex proper of M. nagasawai. C. Distal surface of anterior loculus of M. nagasawai. D. Distal surface of posterior loculus of M. nagasawai. E. Proximal surface posterior loculus of M. nagasawai. F. Distal surface of remus of M. nagasawai. G. Proximal surface of remus of M. nagasawai. H. Proximal surface of primary areola of M. nagasawai. I. Rim of remus of M. nagasawai. J. Strobilar surface of M. nagasawai. K. Base of everted cirrus of M. nagasawai. L. Tip of everted cirrus of M. nagasawai. M. Eggs of M. nagasawai. N. Scolex of M. cf. nagasawai; arrowheads point to primary areolae." figureDoi="http://doi.org/10.5281/zenodo.5118896" httpUri="https://zenodo.org/record/5118896/files/figure.png" pageId="12" pageNumber="213">Fig. 5E</figureCitation>
), distal (
<figureCitation id="3A9B2A36FFC5FFFBFC353EB82175FD0F" box="[984,1066,690,717]" captionStart="FIGURE 5" captionStartId="11.[151,250,1754,1778]" captionTargetBox="[209,1378,181,1731]" captionTargetId="figure-17@11.[209,1378,181,1731]" captionTargetPageId="11" captionText="FIGURE 5. Scanning electron micrographs of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (A–M) and of Myzophyllobothrium cf. nagasawai from Aetobatus narutobiei from Viet Nam (N). A. Scolex of M. nagasawai; small letters indicate locations of details in C–J; arrowhead points to primary areola. B. Surface of scolex proper of M. nagasawai. C. Distal surface of anterior loculus of M. nagasawai. D. Distal surface of posterior loculus of M. nagasawai. E. Proximal surface posterior loculus of M. nagasawai. F. Distal surface of remus of M. nagasawai. G. Proximal surface of remus of M. nagasawai. H. Proximal surface of primary areola of M. nagasawai. I. Rim of remus of M. nagasawai. J. Strobilar surface of M. nagasawai. K. Base of everted cirrus of M. nagasawai. L. Tip of everted cirrus of M. nagasawai. M. Eggs of M. nagasawai. N. Scolex of M. cf. nagasawai; arrowheads point to primary areolae." figureDoi="http://doi.org/10.5281/zenodo.5118896" httpUri="https://zenodo.org/record/5118896/files/figure.png" pageId="12" pageNumber="213">Fig. 5F</figureCitation>
) and proximal (
<figureCitation id="3A9B2A36FFC5FFFBFB363EB8206DFD0F" box="[1243,1330,690,717]" captionStart="FIGURE 5" captionStartId="11.[151,250,1754,1778]" captionTargetBox="[209,1378,181,1731]" captionTargetId="figure-17@11.[209,1378,181,1731]" captionTargetPageId="11" captionText="FIGURE 5. Scanning electron micrographs of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (A–M) and of Myzophyllobothrium cf. nagasawai from Aetobatus narutobiei from Viet Nam (N). A. Scolex of M. nagasawai; small letters indicate locations of details in C–J; arrowhead points to primary areola. B. Surface of scolex proper of M. nagasawai. C. Distal surface of anterior loculus of M. nagasawai. D. Distal surface of posterior loculus of M. nagasawai. E. Proximal surface posterior loculus of M. nagasawai. F. Distal surface of remus of M. nagasawai. G. Proximal surface of remus of M. nagasawai. H. Proximal surface of primary areola of M. nagasawai. I. Rim of remus of M. nagasawai. J. Strobilar surface of M. nagasawai. K. Base of everted cirrus of M. nagasawai. L. Tip of everted cirrus of M. nagasawai. M. Eggs of M. nagasawai. N. Scolex of M. cf. nagasawai; arrowheads point to primary areolae." figureDoi="http://doi.org/10.5281/zenodo.5118896" httpUri="https://zenodo.org/record/5118896/files/figure.png" pageId="12" pageNumber="213">Fig. 5G</figureCitation>
) surfaces of remus, and distal surface of primary areola covered with slender gladiate spinitriches and capilliform filitriches of varying densities; proximal surface of primary areola (
<figureCitation id="3A9B2A36FFC5FFFBFCC53EF026DEFCD7" box="[808,897,762,789]" captionStart="FIGURE 5" captionStartId="11.[151,250,1754,1778]" captionTargetBox="[209,1378,181,1731]" captionTargetId="figure-17@11.[209,1378,181,1731]" captionTargetPageId="11" captionText="FIGURE 5. Scanning electron micrographs of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (A–M) and of Myzophyllobothrium cf. nagasawai from Aetobatus narutobiei from Viet Nam (N). A. Scolex of M. nagasawai; small letters indicate locations of details in C–J; arrowhead points to primary areola. B. Surface of scolex proper of M. nagasawai. C. Distal surface of anterior loculus of M. nagasawai. D. Distal surface of posterior loculus of M. nagasawai. E. Proximal surface posterior loculus of M. nagasawai. F. Distal surface of remus of M. nagasawai. G. Proximal surface of remus of M. nagasawai. H. Proximal surface of primary areola of M. nagasawai. I. Rim of remus of M. nagasawai. J. Strobilar surface of M. nagasawai. K. Base of everted cirrus of M. nagasawai. L. Tip of everted cirrus of M. nagasawai. M. Eggs of M. nagasawai. N. Scolex of M. cf. nagasawai; arrowheads point to primary areolae." figureDoi="http://doi.org/10.5281/zenodo.5118896" httpUri="https://zenodo.org/record/5118896/files/figure.png" pageId="12" pageNumber="213">Fig. 5H</figureCitation>
) covered with slender gladiate spinitriches and shorter capilliform filitriches; filitriches on rims of bothridia and remi conspicuous (
<figureCitation id="3A9B2A36FFC5FFFBFBAA3F1421C9FCFB" box="[1095,1174,798,825]" captionStart="FIGURE 5" captionStartId="11.[151,250,1754,1778]" captionTargetBox="[209,1378,181,1731]" captionTargetId="figure-17@11.[209,1378,181,1731]" captionTargetPageId="11" captionText="FIGURE 5. Scanning electron micrographs of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (A–M) and of Myzophyllobothrium cf. nagasawai from Aetobatus narutobiei from Viet Nam (N). A. Scolex of M. nagasawai; small letters indicate locations of details in C–J; arrowhead points to primary areola. B. Surface of scolex proper of M. nagasawai. C. Distal surface of anterior loculus of M. nagasawai. D. Distal surface of posterior loculus of M. nagasawai. E. Proximal surface posterior loculus of M. nagasawai. F. Distal surface of remus of M. nagasawai. G. Proximal surface of remus of M. nagasawai. H. Proximal surface of primary areola of M. nagasawai. I. Rim of remus of M. nagasawai. J. Strobilar surface of M. nagasawai. K. Base of everted cirrus of M. nagasawai. L. Tip of everted cirrus of M. nagasawai. M. Eggs of M. nagasawai. N. Scolex of M. cf. nagasawai; arrowheads point to primary areolae." figureDoi="http://doi.org/10.5281/zenodo.5118896" httpUri="https://zenodo.org/record/5118896/files/figure.png" pageId="12" pageNumber="213">Fig. 5I</figureCitation>
). Strobila covered with capilliform filitriches (
<figureCitation id="3A9B2A36FFC5FFFBFE783F4824BAFC9F" box="[405,485,834,861]" captionStart="FIGURE 5" captionStartId="11.[151,250,1754,1778]" captionTargetBox="[209,1378,181,1731]" captionTargetId="figure-17@11.[209,1378,181,1731]" captionTargetPageId="11" captionText="FIGURE 5. Scanning electron micrographs of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (A–M) and of Myzophyllobothrium cf. nagasawai from Aetobatus narutobiei from Viet Nam (N). A. Scolex of M. nagasawai; small letters indicate locations of details in C–J; arrowhead points to primary areola. B. Surface of scolex proper of M. nagasawai. C. Distal surface of anterior loculus of M. nagasawai. D. Distal surface of posterior loculus of M. nagasawai. E. Proximal surface posterior loculus of M. nagasawai. F. Distal surface of remus of M. nagasawai. G. Proximal surface of remus of M. nagasawai. H. Proximal surface of primary areola of M. nagasawai. I. Rim of remus of M. nagasawai. J. Strobilar surface of M. nagasawai. K. Base of everted cirrus of M. nagasawai. L. Tip of everted cirrus of M. nagasawai. M. Eggs of M. nagasawai. N. Scolex of M. cf. nagasawai; arrowheads point to primary areolae." figureDoi="http://doi.org/10.5281/zenodo.5118896" httpUri="https://zenodo.org/record/5118896/files/figure.png" pageId="12" pageNumber="213">Fig. 5J</figureCitation>
).
</paragraph>
<paragraph id="A21F36B3FFC5FFFBFF2A3F6C2417F993" blockId="12.[151,1443,150,2013]" pageId="12" pageNumber="213">
Immature proglottids wider than long, becoming approx. as long as wide with maturity (
<figureCitation id="3A9B2A36FFC5FFFBFB5D3F6C2058FC43" box="[1200,1287,871,897]" captionStart="FIGURE 2" captionStartId="7.[151,250,1833,1857]" captionTargetBox="[204,1386,190,1799]" captionTargetId="figure-17@7.[192,1395,181,1809]" captionTargetPageId="7" captionText="FIGURE 2. Line drawings of Myzophyllobothrium narinari (Shipley and Hornell, 1906) n. comb. from Aetobatus ocellatus from Sri Lanka (A–C) and of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (D–F). A. Scolex (USNM no. 1655906, voucher) of M. narinari. B. Whole worm (USNM no. 1655905, voucher) of M. narinari. C. Terminal mature proglottid (USNM no. 1655903, voucher) of M. narinari. D. Scolex (USNM no. 1655912, paratype) of M. nagasawai. E. Whole worm (MPM no. 21757, holotype) of M. nagasawai. F. Terminal mature proglottid (USNM no. 1655911, paratype) of M. nagasawai." figureDoi="http://doi.org/10.5281/zenodo.5118884" httpUri="https://zenodo.org/record/5118884/files/figure.png" pageId="12" pageNumber="213">Fig. 2E</figureCitation>
), 76–111 (89 ± 14; 6) in number; terminal immature proglottid 552–628 (601 ± 27.2; 6) long, 482–670 (567 ± 74.6; 6) wide. Mature proglottids becoming longer than wide posteriorly (
<figureCitation id="3A9B2A36FFC5FFFBFCDD3FA426D9FC0B" box="[816,902,943,969]" captionStart="FIGURE 2" captionStartId="7.[151,250,1833,1857]" captionTargetBox="[204,1386,190,1799]" captionTargetId="figure-17@7.[192,1395,181,1809]" captionTargetPageId="7" captionText="FIGURE 2. Line drawings of Myzophyllobothrium narinari (Shipley and Hornell, 1906) n. comb. from Aetobatus ocellatus from Sri Lanka (A–C) and of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (D–F). A. Scolex (USNM no. 1655906, voucher) of M. narinari. B. Whole worm (USNM no. 1655905, voucher) of M. narinari. C. Terminal mature proglottid (USNM no. 1655903, voucher) of M. narinari. D. Scolex (USNM no. 1655912, paratype) of M. nagasawai. E. Whole worm (MPM no. 21757, holotype) of M. nagasawai. F. Terminal mature proglottid (USNM no. 1655911, paratype) of M. nagasawai." figureDoi="http://doi.org/10.5281/zenodo.5118884" httpUri="https://zenodo.org/record/5118884/files/figure.png" pageId="12" pageNumber="213">Fig. 2F</figureCitation>
), 5–12 (8 ± 2; 6) in number; terminal proglottid 966–1,707 (1,257 ± 279.3; 6) long, 477–682 (586 ± 85.5; 6) wide, length to width ratio 1.6–3.6 (2.2 ± 0.7; 6):1. Detached gravid proglottids
<geoCoordinate id="C7945074FFC5FFFBFE363FFC2745FBD3" box="[475,538,1015,1041]" degrees="2,406" direction="north" orientation="latitude" pageId="12" pageNumber="213" precision="55" value="2.406">2,406</geoCoordinate>
<geoCoordinate id="C7945074FFC5FFFBFDF73FFC2738FBD3" box="[538,615,1015,1041]" degrees="3,629" direction="west" orientation="longitude" pageId="12" pageNumber="213" precision="55" value="-3.629">–3,629</geoCoordinate>
(2,805 ± 483.6; 5) long,
<geoCoordinate id="C7945074FFC5FFFBFC643FFC2697FBD3" box="[905,968,1015,1041]" degrees="1,000" direction="north" orientation="latitude" pageId="12" pageNumber="213" precision="55" value="1.0">1,000</geoCoordinate>
<geoCoordinate id="C7945074FFC5FFFBFC2A3FFC214AFBD3" box="[967,1045,1015,1041]" degrees="1,242" direction="west" orientation="longitude" pageId="12" pageNumber="213" precision="55" value="-1.242">–1,242</geoCoordinate>
(1,110 ± 117.0; 5) wide. Testes in field extending from anterior margin of proglottid to ovarian bridge, arranged in multiple columns, one irregular layer deep in cross section (
<figureCitation id="3A9B2A36FFC5FFFBFE213834277AFB98" box="[460,549,1087,1114]" captionStart="FIGURE 6" captionStartId="13.[151,250,1057,1081]" captionTargetBox="[151,1436,345,1033]" captionTargetId="figure-114@13.[151,1436,345,1033]" captionTargetPageId="13" captionText="FIGURE 6. Photomicrographs of histological sections of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan. A. Cross section through detached gravid proglottid between cirrus sac and ovary. B. Cross section through mature proglottid at level of ovarian bridge. C. Eggs. Abbreviations: O, ovary; T, testes; U, uterus; UD, uterine duct; V, vitelline follicles; VA, vagina; VE, ventral excretory vessel." figureDoi="http://doi.org/10.5281/zenodo.5118898" httpUri="https://zenodo.org/record/5118898/files/figure.png" pageId="12" pageNumber="213">Fig. 6A</figureCitation>
), 131–224 (177 ± 28; 6; 18) in total number, 28–50 (38 ± 7; 6; 18) in number in post-poral field, 21–49 (34 ± 7.9; 6; 18) long, 38–90 (57 ± 15.1; 6; 8) wide. Vas deferens coiled, essentially medial to cirrus sac. Cirrus sac pyriform, 204–260 (228 ± 20.5; 6) long, 102–155 (117 ± 19.3; 6) wide, thin-walled, containing coiled cirrus; cirrus armed with coniform spinitriches and capilliform filitriches (
<figureCitation id="3A9B2A36FFC5FFFBFBFE38A02137FB07" box="[1043,1128,1194,1221]" captionStart="FIGURE 5" captionStartId="11.[151,250,1754,1778]" captionTargetBox="[209,1378,181,1731]" captionTargetId="figure-17@11.[209,1378,181,1731]" captionTargetPageId="11" captionText="FIGURE 5. Scanning electron micrographs of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (A–M) and of Myzophyllobothrium cf. nagasawai from Aetobatus narutobiei from Viet Nam (N). A. Scolex of M. nagasawai; small letters indicate locations of details in C–J; arrowhead points to primary areola. B. Surface of scolex proper of M. nagasawai. C. Distal surface of anterior loculus of M. nagasawai. D. Distal surface of posterior loculus of M. nagasawai. E. Proximal surface posterior loculus of M. nagasawai. F. Distal surface of remus of M. nagasawai. G. Proximal surface of remus of M. nagasawai. H. Proximal surface of primary areola of M. nagasawai. I. Rim of remus of M. nagasawai. J. Strobilar surface of M. nagasawai. K. Base of everted cirrus of M. nagasawai. L. Tip of everted cirrus of M. nagasawai. M. Eggs of M. nagasawai. N. Scolex of M. cf. nagasawai; arrowheads point to primary areolae." figureDoi="http://doi.org/10.5281/zenodo.5118896" httpUri="https://zenodo.org/record/5118896/files/figure.png" pageId="12" pageNumber="213">Fig. 5L</figureCitation>
), spinitriches denser at base (
<figureCitation id="3A9B2A36FFC5FFFBFF4D38C425A8FB2B" box="[160,247,1230,1257]" captionStart="FIGURE 5" captionStartId="11.[151,250,1754,1778]" captionTargetBox="[209,1378,181,1731]" captionTargetId="figure-17@11.[209,1378,181,1731]" captionTargetPageId="11" captionText="FIGURE 5. Scanning electron micrographs of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (A–M) and of Myzophyllobothrium cf. nagasawai from Aetobatus narutobiei from Viet Nam (N). A. Scolex of M. nagasawai; small letters indicate locations of details in C–J; arrowhead points to primary areola. B. Surface of scolex proper of M. nagasawai. C. Distal surface of anterior loculus of M. nagasawai. D. Distal surface of posterior loculus of M. nagasawai. E. Proximal surface posterior loculus of M. nagasawai. F. Distal surface of remus of M. nagasawai. G. Proximal surface of remus of M. nagasawai. H. Proximal surface of primary areola of M. nagasawai. I. Rim of remus of M. nagasawai. J. Strobilar surface of M. nagasawai. K. Base of everted cirrus of M. nagasawai. L. Tip of everted cirrus of M. nagasawai. M. Eggs of M. nagasawai. N. Scolex of M. cf. nagasawai; arrowheads point to primary areolae." figureDoi="http://doi.org/10.5281/zenodo.5118896" httpUri="https://zenodo.org/record/5118896/files/figure.png" pageId="12" pageNumber="213">Fig. 5K</figureCitation>
), 77–88 (n=2) wide at base, at least 158 long (n=1). Genital pores irregularly alternating, 57–62% (59 ± 2.1; 6) of proglottid length from posterior end; genital atrium shallow. Vagina weakly sinuous, extending from ootype along midline of proglottid, opening into common genital atrium anterior to cirrus sac. Ovary at posterior margin of proglottid, H-shaped in frontal view, 173–337 (221 ± 65.8; 6) long, 186–405 (324 ± 73.5; 6) wide, tetralobed in cross section (
<figureCitation id="3A9B2A36FFC5FFFBFEBA395424EEFAB8" box="[343,433,1375,1402]" captionStart="FIGURE 6" captionStartId="13.[151,250,1057,1081]" captionTargetBox="[151,1436,345,1033]" captionTargetId="figure-114@13.[151,1436,345,1033]" captionTargetPageId="13" captionText="FIGURE 6. Photomicrographs of histological sections of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan. A. Cross section through detached gravid proglottid between cirrus sac and ovary. B. Cross section through mature proglottid at level of ovarian bridge. C. Eggs. Abbreviations: O, ovary; T, testes; U, uterus; UD, uterine duct; V, vitelline follicles; VA, vagina; VE, ventral excretory vessel." figureDoi="http://doi.org/10.5281/zenodo.5118898" httpUri="https://zenodo.org/record/5118898/files/figure.png" pageId="12" pageNumber="213">Fig. 6B</figureCitation>
); ovarian margins lobulated. Vitellarium follicular; follicles 7–20 (12 ± 3.7; 6; 18) long, 16–53 (31 ± 10.1; 6; 18) wide, arranged in two lateral bands; each band consisting of multiple irregular columns of follicles, encroaching in midline of proglottid, extending throughout length of proglottid, interrupted by terminal genitalia, uninterrupted by ovary. Uterus ventral (
<figureCitation id="3A9B2A36FFC5FFFBFD2E39C02641FA24" box="[707,798,1483,1510]" captionStart="FIGURE 6" captionStartId="13.[151,250,1057,1081]" captionTargetBox="[151,1436,345,1033]" captionTargetId="figure-114@13.[151,1436,345,1033]" captionTargetPageId="13" captionText="FIGURE 6. Photomicrographs of histological sections of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan. A. Cross section through detached gravid proglottid between cirrus sac and ovary. B. Cross section through mature proglottid at level of ovarian bridge. C. Eggs. Abbreviations: O, ovary; T, testes; U, uterus; UD, uterine duct; V, vitelline follicles; VA, vagina; VE, ventral excretory vessel." figureDoi="http://doi.org/10.5281/zenodo.5118898" httpUri="https://zenodo.org/record/5118898/files/figure.png" pageId="12" pageNumber="213">Fig. 6A</figureCitation>
), medial, extending from ootype region to level of cirrus sac; uterine duct sinuous, entering uterus approximately at midpoint. Excretory vessels four, arranged in one dorsal and one ventral pair on each lateral margin of proglottid. Eggs spherical (
<figureCitation id="3A9B2A36FFC5FFFBFC363A18211AF9EF" box="[987,1093,1554,1581]" captionStart="FIGURE 5" captionStartId="11.[151,250,1754,1778]" captionTargetBox="[209,1378,181,1731]" captionTargetId="figure-17@11.[209,1378,181,1731]" captionTargetPageId="11" captionText="FIGURE 5. Scanning electron micrographs of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (A–M) and of Myzophyllobothrium cf. nagasawai from Aetobatus narutobiei from Viet Nam (N). A. Scolex of M. nagasawai; small letters indicate locations of details in C–J; arrowhead points to primary areola. B. Surface of scolex proper of M. nagasawai. C. Distal surface of anterior loculus of M. nagasawai. D. Distal surface of posterior loculus of M. nagasawai. E. Proximal surface posterior loculus of M. nagasawai. F. Distal surface of remus of M. nagasawai. G. Proximal surface of remus of M. nagasawai. H. Proximal surface of primary areola of M. nagasawai. I. Rim of remus of M. nagasawai. J. Strobilar surface of M. nagasawai. K. Base of everted cirrus of M. nagasawai. L. Tip of everted cirrus of M. nagasawai. M. Eggs of M. nagasawai. N. Scolex of M. cf. nagasawai; arrowheads point to primary areolae." figureDoi="http://doi.org/10.5281/zenodo.5118896" httpUri="https://zenodo.org/record/5118896/files/figure.png" pageId="12" pageNumber="213">Figs. 5M</figureCitation>
,
<figureCitation id="3A9B2A36FFC5FFFBFBBF3A182129F9EC" box="[1106,1142,1555,1582]" captionStart="FIGURE 6" captionStartId="13.[151,250,1057,1081]" captionTargetBox="[151,1436,345,1033]" captionTargetId="figure-114@13.[151,1436,345,1033]" captionTargetPageId="13" captionText="FIGURE 6. Photomicrographs of histological sections of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan. A. Cross section through detached gravid proglottid between cirrus sac and ovary. B. Cross section through mature proglottid at level of ovarian bridge. C. Eggs. Abbreviations: O, ovary; T, testes; U, uterus; UD, uterine duct; V, vitelline follicles; VA, vagina; VE, ventral excretory vessel." figureDoi="http://doi.org/10.5281/zenodo.5118898" httpUri="https://zenodo.org/record/5118898/files/figure.png" pageId="12" pageNumber="213">6C</figureCitation>
), single, 18–23 (21 ± 1.4; 18) in diameter.
</paragraph>
</subSubSection>
<subSubSection id="EABA6538FFC5FFFAFF2A3A502008FE80" lastPageId="13" lastPageNumber="214" pageId="12" pageNumber="213" type="discussion">
<paragraph id="A21F36B3FFC5FFFBFF2A3A5024CFF8B3" blockId="12.[151,1443,150,2013]" pageId="12" pageNumber="213">
<emphasis id="90D4EAA1FFC5FFFBFF2A3A502464F9B7" bold="true" box="[199,315,1627,1653]" pageId="12" pageNumber="213">Remarks.</emphasis>
This new species differs from
<taxonomicName id="65A04D30FFC5FFFBFD4F3A502649F9B7" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" baseAuthorityName="Jensen and Caira" baseAuthorityYear="2006" box="[674,790,1627,1653]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="12" pageNumber="213" phylum="Platyhelminthes" rank="species" species="chongi">
<emphasis id="90D4EAA1FFC5FFFBFD4F3A5027E6F9B6" box="[674,697,1627,1652]" italics="true" pageId="12" pageNumber="213">M</emphasis>
.
<emphasis id="90D4EAA1FFC5FFFBFD273A502649F9B7" box="[714,790,1627,1653]" italics="true" pageId="12" pageNumber="213">chongi</emphasis>
</taxonomicName>
,
<taxonomicName id="65A04D30FFC5FFFBFCCB3A5026E2F9B7" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" baseAuthorityName="Jensen and Caira" baseAuthorityYear="2006" box="[806,957,1627,1653]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="12" pageNumber="213" phylum="Platyhelminthes" rank="species" species="gambangi">
<emphasis id="90D4EAA1FFC5FFFBFCCB3A5026E2F9B7" box="[806,957,1627,1653]" italics="true" pageId="12" pageNumber="213">M. gambangi</emphasis>
</taxonomicName>
,
<taxonomicName id="65A04D30FFC5FFFBFC203A50216CF9B7" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" baseAuthorityName="Jensen and Caira" baseAuthorityYear="2006" box="[973,1075,1627,1653]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="12" pageNumber="213" phylum="Platyhelminthes" rank="species" species="limae">
<emphasis id="90D4EAA1FFC5FFFBFC203A5026BBF9B6" box="[973,996,1627,1652]" italics="true" pageId="12" pageNumber="213">M</emphasis>
.
<emphasis id="90D4EAA1FFC5FFFBFC183A50216CF9B7" box="[1013,1075,1627,1653]" italics="true" pageId="12" pageNumber="213">limae</emphasis>
</taxonomicName>
, and
<taxonomicName id="65A04D30FFC5FFFBFB983A502079F9B7" authorityName="Southwell" authorityYear="1925" baseAuthorityName="Shipley and Hornell" baseAuthorityYear="1906" box="[1141,1318,1627,1653]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="12" pageNumber="213" phylum="Platyhelminthes" rank="species" species="myliobatidis">
<emphasis id="90D4EAA1FFC5FFFBFB983A502079F9B7" box="[1141,1318,1627,1653]" italics="true" pageId="12" pageNumber="213">M. myliobatidis</emphasis>
</taxonomicName>
in that its remi are wider than long, rather than longer than wide. It is also a much larger worm than all four of these species (16.6–24.3 vs. 1.4–1.8, 1.1–2.1, 2.4–5,
<quantity id="65589B56FFC5FFFBFD793AA82641F97F" box="[660,798,1699,1725]" metricMagnitude="-3" metricUnit="m" metricValue="2.4" metricValueMax="3.4" metricValueMin="1.4" pageId="12" pageNumber="213" unit="mm" value="2.4" valueMax="3.4" valueMin="1.4">1.4–3.4 mm</quantity>
in TL, respectively). The remi of
<taxonomicName id="65A04D30FFC5FFFBFB423AA8200FF97E" authority="Jensen &amp; Pen &amp; Caira, 2021" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" box="[1199,1360,1699,1724]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="12" pageNumber="213" phylum="Platyhelminthes" rank="species" species="nagasawai" status="sp. nov.">
<emphasis id="90D4EAA1FFC5FFFBFB423AA8200FF97E" box="[1199,1360,1699,1724]" italics="true" pageId="12" pageNumber="213">M. nagasawai</emphasis>
</taxonomicName>
<emphasis id="90D4EAA1FFC5FFFBFAB73AA820C3F97F" bold="true" box="[1370,1436,1699,1725]" pageId="12" pageNumber="213">
<taxonomicNameLabel id="8BE757DAFFC5FFFBFAB73AA820C3F97F" box="[1370,1436,1699,1725]" pageId="12" pageNumber="213" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
are weakly folded, rather than highly folded and voluminous, as seen in
<taxonomicName id="65A04D30FFC5FFFBFC3D3ACC210BF922" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" baseAuthorityName="Shipley and Hornell" baseAuthorityYear="1906" box="[976,1108,1735,1760]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="12" pageNumber="213" phylum="Platyhelminthes" rank="species" species="narinari">
<emphasis id="90D4EAA1FFC5FFFBFC3D3ACC210BF922" box="[976,1108,1735,1760]" italics="true" pageId="12" pageNumber="213">M. narinari</emphasis>
</taxonomicName>
and, whereas the remi of
<taxonomicName id="65A04D30FFC5FFFBFA933ACC25ABF8C6" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" baseAuthorityName="Shipley and Hornell" baseAuthorityYear="1906" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="12" pageNumber="213" phylum="Platyhelminthes" rank="species" species="narinari">
<emphasis id="90D4EAA1FFC5FFFBFA933ACC25ABF8C6" italics="true" pageId="12" pageNumber="213">M. narinari</emphasis>
</taxonomicName>
taper conspicuously posteriorly, those of
<taxonomicName id="65A04D30FFC5FFFBFD253AE02638F8C6" authority="Jensen &amp; Pen &amp; Caira, 2021" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" box="[712,871,1771,1796]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="12" pageNumber="213" phylum="Platyhelminthes" rank="species" species="nagasawai" status="sp. nov.">
<emphasis id="90D4EAA1FFC5FFFBFD253AE02638F8C6" box="[712,871,1771,1796]" italics="true" pageId="12" pageNumber="213">M. nagasawai</emphasis>
</taxonomicName>
<emphasis id="90D4EAA1FFC5FFFBFC833AE026F2F8C7" bold="true" box="[878,941,1771,1797]" pageId="12" pageNumber="213">
<taxonomicNameLabel id="8BE757DAFFC5FFFBFC833AE026F2F8C7" box="[878,941,1771,1797]" pageId="12" pageNumber="213" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
are wider and more bluntly rounded at their posterior-most point. This new species most closely resembles
<taxonomicName id="65A04D30FFC5FFFBFCB03B042689F8EB" authorityName=", Shipley and Hornell" authorityYear="1906" box="[861,982,1807,1833]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="12" pageNumber="213" phylum="Platyhelminthes" rank="species" species="rubrum">
<emphasis id="90D4EAA1FFC5FFFBFCB03B042689F8EB" box="[861,982,1807,1833]" italics="true" pageId="12" pageNumber="213">M. rubrum</emphasis>
</taxonomicName>
in that its remi are both wider than long and weakly folded. It conspicuously differs from the latter species in that it is substantially shorter in total length (4.6–24.3 vs.
<quantity id="65589B56FFC5FFFBFEDD3B5C24DCF8B3" box="[304,387,1879,1905]" metricMagnitude="-2" metricUnit="m" metricValue="8.0" pageId="12" pageNumber="213" unit="mm" value="80.0">80 mm</quantity>
).
</paragraph>
<paragraph id="A21F36B3FFC5FFFAFF2A3B702008FE80" blockId="12.[151,1443,150,2013]" lastBlockId="13.[151,1437,150,322]" lastPageId="13" lastPageNumber="214" pageId="12" pageNumber="213">
Specimens of
<taxonomicName id="65A04D30FFC5FFFBFE883B70275CF856" authority="Jensen &amp; Pen &amp; Caira, 2021" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" box="[357,515,1915,1940]" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="12" pageNumber="213" phylum="Platyhelminthes" rank="species" species="nagasawai" status="sp. nov.">
<emphasis id="90D4EAA1FFC5FFFBFE883B70275CF856" box="[357,515,1915,1940]" italics="true" pageId="12" pageNumber="213">M. nagasawai</emphasis>
</taxonomicName>
<emphasis id="90D4EAA1FFC5FFFBFDE43B702717F857" bold="true" box="[521,584,1915,1941]" pageId="12" pageNumber="213">
<taxonomicNameLabel id="8BE757DAFFC5FFFBFDE43B702717F857" box="[521,584,1915,1941]" pageId="12" pageNumber="213" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
from its
<typeStatus id="7D1B8811FFC5FFFBFD413B702783F857" box="[684,732,1915,1941]" pageId="12" pageNumber="213">type</typeStatus>
host,
<emphasis id="90D4EAA1FFC5FFFBFCF23B7026BCF857" box="[799,995,1915,1941]" italics="true" pageId="12" pageNumber="213">
Aetob.
<taxonomicName id="65A04D30FFC5FFFBFC833B7026BCF857" box="[878,995,1915,1941]" class="Elasmobranchii" family="Myliobatidae" genus="Aetobatus" kingdom="Animalia" order="Myliobatiformes" pageId="12" pageNumber="213" phylum="Chordata" rank="species" species="narutobiei">narutobiei</taxonomicName>
</emphasis>
, off
<collectingCountry id="DAB77623FFC5FFFBFBFA3B702105F857" box="[1047,1114,1915,1941]" name="Japan" pageId="12" pageNumber="213">Japan</collectingCountry>
, fixed in ethanol for molecular work were not available for study. Two specimens taken from the
<typeStatus id="7D1B8811FFC5FFFBFC493B94268BF87B" box="[932,980,1951,1977]" pageId="12" pageNumber="213">type</typeStatus>
host in the Gulf of
<collectingCountry id="DAB77623FFC5FFFBFB5F3B94205EF87B" box="[1202,1281,1951,1977]" name="Vietnam" pageId="12" pageNumber="213">Tonkin</collectingCountry>
off
<collectingCountry id="DAB77623FFC5FFFBFADD3B9420C3F87B" box="[1328,1436,1951,1977]" name="Vietnam" pageId="12" pageNumber="213">Viet Nam</collectingCountry>
were included in our phylogenetic analysis. Although the scolex morphology of the more than
<specimenCount id="B4A6FD3AFFC5FFFBFB2B3BC92001F81F" box="[1222,1374,1986,2013]" pageId="12" pageNumber="213" type="generic">25 specimens</specimenCount>
from two host specimens from
<collectingCountry id="DAB77623FFC4FFFAFE543C9C277AFF73" box="[441,549,151,177]" name="Vietnam" pageId="13" pageNumber="214">Viet Nam</collectingCountry>
was highly consistent with that of specimens from
<collectingCountry id="DAB77623FFC4FFFAFB873C9C21F5FF73" box="[1130,1194,151,177]" name="Japan" pageId="13" pageNumber="214">Japan</collectingCountry>
(
<figureCitation id="3A9B2A36FFC4FFFAFB573C9C204EFF73" box="[1210,1297,150,177]" captionStart="FIGURE 5" captionStartId="11.[151,250,1754,1778]" captionTargetBox="[209,1378,181,1731]" captionTargetId="figure-17@11.[209,1378,181,1731]" captionTargetPageId="11" captionText="FIGURE 5. Scanning electron micrographs of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (A–M) and of Myzophyllobothrium cf. nagasawai from Aetobatus narutobiei from Viet Nam (N). A. Scolex of M. nagasawai; small letters indicate locations of details in C–J; arrowhead points to primary areola. B. Surface of scolex proper of M. nagasawai. C. Distal surface of anterior loculus of M. nagasawai. D. Distal surface of posterior loculus of M. nagasawai. E. Proximal surface posterior loculus of M. nagasawai. F. Distal surface of remus of M. nagasawai. G. Proximal surface of remus of M. nagasawai. H. Proximal surface of primary areola of M. nagasawai. I. Rim of remus of M. nagasawai. J. Strobilar surface of M. nagasawai. K. Base of everted cirrus of M. nagasawai. L. Tip of everted cirrus of M. nagasawai. M. Eggs of M. nagasawai. N. Scolex of M. cf. nagasawai; arrowheads point to primary areolae." figureDoi="http://doi.org/10.5281/zenodo.5118896" httpUri="https://zenodo.org/record/5118896/files/figure.png" pageId="13" pageNumber="214">Fig. 5N</figureCitation>
vs. 5A), the strobila of specimens from
<collectingCountry id="DAB77623FFC4FFFAFE203CB02766FF17" box="[461,569,187,213]" name="Vietnam" pageId="13" pageNumber="214">Viet Nam</collectingCountry>
was much more delicate and smaller than that of the specimens from
<collectingCountry id="DAB77623FFC4FFFAFAB83CB020C7FF17" box="[1365,1432,187,213]" name="Japan" pageId="13" pageNumber="214">Japan</collectingCountry>
. However, the specimens from
<collectingCountry id="DAB77623FFC4FFFAFE003CD42706FF3B" box="[493,601,223,249]" name="Vietnam" pageId="13" pageNumber="214">Viet Nam</collectingCountry>
were also all immature. We have referred to these specimens as
<taxonomicName id="65A04D30FFC4FFFAFAC33CD425ABFEDE" authorityName="Jensen &amp; Pen &amp; Caira" authorityYear="2021" class="Cestoda" family="Phyllobothriidae" genus="Myzophyllobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="13" pageNumber="214" phylum="Platyhelminthes" rank="species" species="nagasawai">
<emphasis id="90D4EAA1FFC4FFFAFAC33CD42013FF3A" box="[1326,1356,223,248]" italics="true" pageId="13" pageNumber="214">M.</emphasis>
cf.
<emphasis id="90D4EAA1FFC4FFFAFA9A3CD425ABFEDE" italics="true" pageId="13" pageNumber="214">nagasawai</emphasis>
</taxonomicName>
until mature worms from
<collectingCountry id="DAB77623FFC4FFFAFDF73D0827D9FEDF" box="[538,646,259,285]" name="Vietnam" pageId="13" pageNumber="214">Viet Nam</collectingCountry>
can be examined and their identity confirmed. The strobila voucher of the scolex of the specimens from
<collectingCountry id="DAB77623FFC4FFFAFDE23D2C2724FE83" box="[527,635,295,321]" name="Vietnam" pageId="13" pageNumber="214">Viet Nam</collectingCountry>
examined with SEM was deposited in the LRP (LRP no. 10367).
</paragraph>
</subSubSection>
</treatment>
</document>
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