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<document id="557200C2D53AC4501D02642B64D7870D" ID-DOI="10.1080/00222930600828859" ID-ISSN="1464-5262" ID-Zenodo-Dep="10092125" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629440045507" checkinUser="felipe" docAuthor="Tomikawa, Ko, Morino, Hiroshi, Toft, Jason &amp; Mawatari, Shunsuke F." docDate="2006" docId="BF741C1DB2015723FE3E80AAFEE5AAEF" docLanguage="en" docName="JNatHist.40.17-18.1083-1148.pdf" docOrigin="Journal of Natural History (J. Nat. Hist.) 40 (17 - 18)" docSource="http://dx.doi.org/10.1080/00222930600828859" docStyle="DocumentStyle:7E99CF6C63B49250F2A87C3AEDC82D8C.2:JNatHist.2005-2007.journal_article.2cover" docStyleId="7E99CF6C63B49250F2A87C3AEDC82D8C" docStyleName="JNatHist.2005-2007.journal_article.2cover" docStyleVersion="2" docTitle="Eogammarus itotomikoae Tomikawa &amp; Morino &amp; Toft &amp; Mawatari 2006, sp. nov." docType="treatment" docVersion="2" lastPageNumber="1108" masterDocId="434D6465B2125738FF958520FF97AA3E" masterDocTitle="A revision of Eogammarus Birstein, 1933 (Crustacea, Amphipoda, Anisogammaridae), with a description of a new species" masterLastPageNumber="1148" masterPageNumber="1083" pageNumber="1100" updateTime="1699553554209" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
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<mods:title id="E20BF62E41275513B4180E8E0FB3A241">A revision of Eogammarus Birstein, 1933 (Crustacea, Amphipoda, Anisogammaridae), with a description of a new species</mods:title>
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<mods:namePart id="C40F19F8BFD3ED9057FA56BC50D7666D">Tomikawa, Ko</mods:namePart>
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<mods:namePart id="D8498D599B8F556BE77150EDCF052E9F">Toft, Jason</mods:namePart>
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<mods:namePart id="6A7621C8D52EC30836E0FE63D24697FB">Mawatari, Shunsuke F.</mods:namePart>
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<mods:title id="B83670CB2061AE92DB73F8C5878E3CF7">Journal of Natural History</mods:title>
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<mods:date id="7D62043257F49970CCCA04EB2FDE0781">2006</mods:date>
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<mods:title id="CBA0221EB37AE9FF2D30FBDAAD49FBE6">J. Nat. Hist.</mods:title>
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<mods:number id="0B0BAEA32D007ADE00831DB041FA5FD3">2006-08-28</mods:number>
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<paragraph id="3762AD0BB201572BFE3E80AAFCF0AF9C" blockId="19.[410,888,1418,1507]" box="[427,871,1418,1442]" pageId="19" pageNumber="1100">
<heading id="6C2A1A67B201572BFE3E80AAFCF0AF9C" box="[427,871,1418,1442]" centered="true" fontSize="10" level="2" pageId="19" pageNumber="1100" reason="2">
<taxonomicName id="F0DDD688B201572BFE3E80AAFC96AF9C" ID-CoL="6FJSW" authority="Tomikawa &amp; Morino &amp; Toft &amp; Mawatari, 2006" authorityName="Tomikawa &amp; Morino &amp; Toft &amp; Mawatari" authorityYear="2006" box="[427,769,1418,1442]" class="Malacostraca" family="Anisogammaridae" genus="Eogammarus" kingdom="Animalia" order="Amphipoda" pageId="19" pageNumber="1100" phylum="Arthropoda" rank="species" species="itotomikoae" status="sp. nov.">
<emphasis id="05A97119B201572BFE3E80AAFC96AF9C" bold="true" box="[427,769,1418,1442]" italics="true" pageId="19" pageNumber="1100">Eogammarus itotomikoae</emphasis>
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<taxonomicNameLabel id="1E9ACC62B201572BFC9F80AAFCF0AF9C" box="[778,871,1418,1442]" pageId="19" pageNumber="1100" rank="species">sp. nov.</taxonomicNameLabel>
</heading>
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<paragraph id="3762AD0BB201572BFE0F808AFCEFAFFC" blockId="19.[410,888,1418,1507]" box="[410,888,1450,1474]" pageId="19" pageNumber="1100">[Japanese name: Ito togeo yokoebi, new]</paragraph>
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<paragraph id="3762AD0BB201572BFDA080EBFD4AAFDD" blockId="19.[410,888,1418,1507]" box="[565,733,1483,1507]" pageId="19" pageNumber="1100">
(
<figureCitation id="AFE6B18EB201572BFDA980EBFD42AFDD" box="[572,725,1483,1507]" captionStart-0="Figure 9" captionStart-1="Figure 10" captionStart-2="Figure 11" captionStart-3="Figure 12" captionStart-4="Figure 13" captionStartId-0="20.[138,198,1528,1547]" captionStartId-1="21.[125,185,1581,1600]" captionStartId-2="22.[138,198,1557,1576]" captionStartId-3="23.[125,185,881,900]" captionStartId-4="24.[138,198,1575,1594]" captionTargetBox-0="[201,1128,142,1486]" captionTargetBox-1="[165,1136,139,1545]" captionTargetBox-2="[138,1181,119,1519]" captionTargetBox-3="[125,1172,133,845]" captionTargetBox-4="[169,1152,132,1534]" captionTargetId-0="figure-1@20.[195,1128,141,1492]" captionTargetId-1="figure-0@21.[162,1136,138,1545]" captionTargetId-2="figure-1@22.[138,1185,119,1522]" captionTargetId-3="figure-271@23.[125,1172,133,845]" captionTargetId-4="figure-0@24.[169,1153,132,1538]" captionTargetPageId-0="20" captionTargetPageId-1="21" captionTargetPageId-2="22" captionTargetPageId-3="23" captionTargetPageId-4="24" captionText-0="Figure 9. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT- Cr. 16678. (A) Habitus (lateral view); (B) antenna 1; (C) flagellar article of antenna 1 (some setae are omitted); (D) antenna 2; (E) flagellar article of antenna 2 (some setae are omitted); (F) upper lip; (G) lower lip; (H) right mandible; (I) incisor and lacinia mobilis of left mandible; (J) maxilla 1 (robust apical setae on outer plate are shown enlarged); (K) maxilla 2; (L) palp of maxilliped; (M) inner plate of maxilliped; (N) outer plate of maxilliped. Scale bars: 0.1 mm unless indicated otherwise." captionText-1="Figure 10. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A) Gnathopod 1; (B) dactylus of gnathopod 1; (C) palm of gnathopod 1 (slender setae are omitted); (D) gnathopod 2; (E) dactylus of gnathopod 2; (F) palm of gnathopod 2 (slender setae are omitted); (G) pereopod 3; (H) pereopod 4; (I) coxa–ischium of pereopod 5. Scale bars: 0.1 mm." captionText-2="Figure 11. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A, B) Coxa–ischium of pereopods 6 and 7; (C–H) coxal gills of pereopods 2–7; (I–K) dorsal margins of pleonites 1–3; (L–N) dorsal margins of urosomites 1–3; (O) pleopod 1 (plumose setae on rami are omitted); (P) retinacula (coupling spines) of pleopod 1; (Q) clothespin seta; (R–T) epimeral plates 1–3. Scale bars: 0.1 mm unless indicated otherwise." captionText-3="Figure 12. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A–C) Uropods 1–3; (D) telson (dorsal view). Scale bars: 0.1 mm." captionText-4="Figure 13. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, paratype, female, 14.1 mm, NSMT-Cr. 16679. (A) Antenna 1; (B) antenna 2; (C) gnathopod 1; (D) dactylus of gnathopod 1; (E) palm of gnathopod 1 (slender setae are omitted); (F) gnathopod 2; (G) dactylus of gnathopod 2; (H) palm of gnathopod 2 (slender setae are omitted); (I–K) coxa–ischium of pereopods 5–7; (L) uropod 3. Scale bars: 0.1 mm." figureDoi-0="http://doi.org/10.5281/zenodo.10092143" figureDoi-1="http://doi.org/10.5281/zenodo.10092145" figureDoi-2="http://doi.org/10.5281/zenodo.10092147" figureDoi-3="http://doi.org/10.5281/zenodo.10092149" figureDoi-4="http://doi.org/10.5281/zenodo.10092151" httpUri-0="https://zenodo.org/record/10092143/files/figure.png" httpUri-1="https://zenodo.org/record/10092145/files/figure.png" httpUri-2="https://zenodo.org/record/10092147/files/figure.png" httpUri-3="https://zenodo.org/record/10092149/files/figure.png" httpUri-4="https://zenodo.org/record/10092151/files/figure.png" pageId="19" pageNumber="1100">Figures 9–13</figureCitation>
)
</paragraph>
<paragraph id="3762AD0BB201572BFFE88309FF79AC7F" blockId="19.[125,238,1577,1601]" box="[125,238,1577,1601]" pageId="19" pageNumber="1100">
<emphasis id="05A97119B201572BFFE88309FF79AC7F" box="[125,238,1577,1601]" italics="true" pageId="19" pageNumber="1100">Etymology</emphasis>
</paragraph>
<paragraph id="3762AD0BB201572BFFE8837AFEE7ACAC" blockId="19.[125,1172,1626,1682]" pageId="19" pageNumber="1100">The new species is named in honour of Dr Tomiko Ito who has contributed much to the study of this species.</paragraph>
<caption id="63A2FD83B206572CFF1F80D8FD91ACAE" ID-DOI="http://doi.org/10.5281/zenodo.10092143" ID-Zenodo-Dep="10092143" httpUri="https://zenodo.org/record/10092143/files/figure.png" pageId="20" pageNumber="1101" startId="20.[138,198,1528,1547]" targetBox="[201,1128,142,1486]" targetPageId="20">
<paragraph id="3762AD0BB206572CFF1F80D8FD91ACAE" blockId="20.[138,1185,1528,1680]" pageId="20" pageNumber="1101">
Figure 9. 
<taxonomicName id="F0DDD688B206572CFF7C80D8FE55AC35" authority="Tomikawa &amp; Morino &amp; Toft &amp; Mawatari, 2006" authorityName="Tomikawa &amp; Morino &amp; Toft &amp; Mawatari" authorityYear="2006" box="[233,450,1528,1547]" class="Malacostraca" family="Anisogammaridae" genus="Eogammarus" kingdom="Animalia" order="Amphipoda" pageId="20" pageNumber="1101" phylum="Arthropoda" rank="species" species="itotomikoae" status="sp. nov.">
<emphasis id="05A97119B206572CFF7C80D8FE55AC35" box="[233,450,1528,1547]" italics="true" pageId="20" pageNumber="1101">Eogammarus itotomikoae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1E9ACC62B206572CFE5D80D8FD83AC35" box="[456,532,1528,1547]" pageId="20" pageNumber="1101" rank="species">sp. nov.</taxonomicNameLabel>
, Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT- Cr. 16678. (A) Habitus (lateral view); (B) antenna 1; (C) flagellar article of antenna 1 (some setae are omitted); (D) antenna 2; (E) flagellar article of antenna 2 (some setae are omitted); (F) upper lip; (G) lower lip; (H) right mandible; (I) incisor and lacinia mobilis of left mandible; (J) maxilla 1 (robust apical setae on outer plate are shown enlarged); (K) maxilla 2; (L) palp of maxilliped; (M) inner plate of maxilliped; (N) outer plate of maxilliped. Scale bars: 0.1 mm unless indicated otherwise.
</paragraph>
</caption>
<caption id="63A2FD83B207572DFFE8830DFC17ACAE" ID-DOI="http://doi.org/10.5281/zenodo.10092145" ID-Zenodo-Dep="10092145" httpUri="https://zenodo.org/record/10092145/files/figure.png" pageId="21" pageNumber="1102" startId="21.[125,185,1581,1600]" targetBox="[165,1136,139,1545]" targetPageId="21">
<paragraph id="3762AD0BB207572DFFE8830DFC17ACAE" blockId="21.[125,1173,1581,1680]" pageId="21" pageNumber="1102">
Figure 10. 
<taxonomicName id="F0DDD688B207572DFF7B830DFE59AC7E" authority="Tomikawa &amp; Morino &amp; Toft &amp; Mawatari, 2006" authorityName="Tomikawa &amp; Morino &amp; Toft &amp; Mawatari" authorityYear="2006" box="[238,462,1581,1600]" class="Malacostraca" family="Anisogammaridae" genus="Eogammarus" kingdom="Animalia" order="Amphipoda" pageId="21" pageNumber="1102" phylum="Arthropoda" rank="species" species="itotomikoae" status="sp. nov.">
<emphasis id="05A97119B207572DFF7B830DFE59AC7E" box="[238,462,1581,1600]" italics="true" pageId="21" pageNumber="1102">Eogammarus itotomikoae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1E9ACC62B207572DFE4F830DFDBBAC7E" box="[474,556,1581,1600]" pageId="21" pageNumber="1102" rank="species">sp. nov.</taxonomicNameLabel>
, Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A) Gnathopod 1; (B) dactylus of gnathopod 1; (C) palm of gnathopod 1 (slender setae are omitted); (D) gnathopod 2; (E) dactylus of gnathopod 2; (F) palm of gnathopod 2 (slender setae are omitted); (G) pereopod 3; (H) pereopod 4; (I) coxa–ischium of pereopod 5. Scale bars: 0.1 mm.
</paragraph>
</caption>
<caption id="63A2FD83B204572EFF1F8335FE45ACAC" ID-DOI="http://doi.org/10.5281/zenodo.10092147" ID-Zenodo-Dep="10092147" httpUri="https://zenodo.org/record/10092147/files/figure.png" pageId="22" pageNumber="1103" startId="22.[138,198,1557,1576]" targetBox="[138,1181,119,1519]" targetPageId="22">
<paragraph id="3762AD0BB204572EFF1F8335FE45ACAC" blockId="22.[138,1186,1557,1682]" pageId="22" pageNumber="1103">
Figure 11. 
<taxonomicName id="F0DDD688B204572EFF6E8335FE4CAC16" authority="Tomikawa &amp; Morino &amp; Toft &amp; Mawatari, 2006" authorityName="Tomikawa &amp; Morino &amp; Toft &amp; Mawatari" authorityYear="2006" box="[251,475,1557,1576]" class="Malacostraca" family="Anisogammaridae" genus="Eogammarus" kingdom="Animalia" order="Amphipoda" pageId="22" pageNumber="1103" phylum="Arthropoda" rank="species" species="itotomikoae" status="sp. nov.">
<emphasis id="05A97119B204572EFF6E8335FE4CAC16" box="[251,475,1557,1576]" italics="true" pageId="22" pageNumber="1103">Eogammarus itotomikoae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1E9ACC62B204572EFE728335FDAEAC16" box="[487,569,1557,1576]" pageId="22" pageNumber="1103" rank="species">sp. nov.</taxonomicNameLabel>
, Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A, B) Coxa–ischium of pereopods 6 and 7; (C–H) coxal gills of pereopods 2–7; (I–K) dorsal margins of pleonites 1–3; (L–N) dorsal margins of urosomites 1–3; (O) pleopod 1 (plumose setae on rami are omitted); (P) retinacula (coupling spines) of pleopod 1; (Q) clothespin seta; (R–T) epimeral plates 1–3. Scale bars: 0.1 mm unless indicated otherwise.
</paragraph>
</caption>
<caption id="63A2FD83B205572FFFE88651FC32A9A1" ID-DOI="http://doi.org/10.5281/zenodo.10092149" ID-Zenodo-Dep="10092149" httpUri="https://zenodo.org/record/10092149/files/figure.png" pageId="23" pageNumber="1104" startId="23.[125,185,881,900]" targetBox="[125,1172,133,845]" targetPageId="23">
<paragraph id="3762AD0BB205572FFFE88651FC32A9A1" blockId="23.[125,1173,881,927]" pageId="23" pageNumber="1104">
Figure 12. 
<taxonomicName id="F0DDD688B205572FFF7B8651FE59A9BA" authority="Tomikawa &amp; Morino &amp; Toft &amp; Mawatari, 2006" authorityName="Tomikawa &amp; Morino &amp; Toft &amp; Mawatari" authorityYear="2006" box="[238,462,881,900]" class="Malacostraca" family="Anisogammaridae" genus="Eogammarus" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="1104" phylum="Arthropoda" rank="species" species="itotomikoae" status="sp. nov.">
<emphasis id="05A97119B205572FFF7B8651FE59A9BA" box="[238,462,881,900]" italics="true" pageId="23" pageNumber="1104">Eogammarus itotomikoae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1E9ACC62B205572FFE4F8651FDBBA9BA" box="[474,556,881,900]" pageId="23" pageNumber="1104" rank="species">sp. nov.</taxonomicNameLabel>
, Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A–C) Uropods 1–3; (D) telson (dorsal view). Scale bars: 0.1 mm.
</paragraph>
</caption>
<paragraph id="3762AD0BB205572FFFE886ECFEDBA9DA" blockId="23.[125,332,972,996]" box="[125,332,972,996]" pageId="23" pageNumber="1104">
<emphasis id="05A97119B205572FFFE886ECFEDBA9DA" box="[125,332,972,996]" italics="true" pageId="23" pageNumber="1104">Material examined</emphasis>
</paragraph>
<paragraph id="3762AD0BB205572FFFE886DCFC36AF0D" blockId="23.[125,1173,1020,1331]" pageId="23" pageNumber="1104">
<materialsCitation id="87B5A756B205572FFFE886DCFB02AEEA" collectingDate="2000-10-16" collectingDateMax="2002-07-06" collectingDateMin="2000-10-16" collectionCode="T" collectorName="M. Nakajima &amp; K. Tomikawa." location="Masuhoro River" pageId="23" pageNumber="1104" specimenCount="2" specimenCount-female="2" stateProvince="Hokkaido" typeStatus="holotype">
<typeStatus id="E86613A9B205572FFFE886DCFF7AAE2A" box="[125,237,1020,1044]" pageId="23" pageNumber="1104" type="holotype">Holotype</typeStatus>
: mature 
<emphasis id="05A97119B205572FFECF86DDFEFBAE2A" box="[346,364,1021,1044]" italics="true" pageId="23" pageNumber="1104">„</emphasis>
, 
<quantity id="F02500EEB205572FFEEB86DCFE7FAE2A" box="[382,488,1020,1044]" metricMagnitude="-2" metricUnit="m" metricValue="1.89" pageId="23" pageNumber="1104" unit="mm" value="18.9">18.9 mm</quantity>
, slide mount, NSMT-Cr 16678, Masuhoro River mouth (45 
<emphasis id="05A97119B205572FFF30813CFF38AE0A" bold="true" box="[165,175,1052,1076]" italics="true" pageId="23" pageNumber="1104">°</emphasis>
259590N, 141 
<emphasis id="05A97119B205572FFEDB813CFECFAE0A" bold="true" box="[334,344,1052,1076]" italics="true" pageId="23" pageNumber="1104">°</emphasis>
519540E), Wakkanai City, 
<collectingRegion id="F51963E9B205572FFD1F813CFD68AE0A" box="[650,767,1052,1076]" country="Japan" name="Hokkaido" pageId="23" pageNumber="1104">Hokkaido</collectingRegion>
, 
<date id="43638BCBB205572FFC9E813CFC43AE0A" box="[779,980,1052,1076]" pageId="23" pageNumber="1104" value="2000-10-16">
<collectingDate id="53277223B205572FFC9E813CFC43AE0A" box="[779,980,1052,1076]" pageId="23" pageNumber="1104" value="2000-10-16">16 October 2000</collectingDate>
</date>
, collected by 
<collectorName id="9A28C8DDB205572FFBE4813CFF7BAE6A" pageId="23" pageNumber="1104">M. Nakajima</collectorName>
and 
<collectionCode id="51CC35CEB205572FFEB2811CFEA9AE6A" box="[295,318,1084,1108]" name="Tavera, Department of Geology and Geophysics" pageId="23" pageNumber="1104">T</collectionCode>
. Ito. 
<typeStatus id="E86613A9B205572FFEEE811CFE78AE6A" box="[379,495,1084,1108]" pageId="23" pageNumber="1104" type="paratype">Paratypes</typeStatus>
: immature 
<specimenCount id="21DB6682B205572FFDE7811FFD17AE6D" box="[626,640,1087,1107]" pageId="23" pageNumber="1104" type="female">♀</specimenCount>
, 
<quantity id="F02500EEB205572FFD1A811CFD6FAE6A" box="[655,760,1084,1108]" metricMagnitude="-2" metricUnit="m" metricValue="1.41" pageId="23" pageNumber="1104" unit="mm" value="14.1">14.1 mm</quantity>
, slide mount, NSMT-Cr 16679; 
<emphasis id="05A97119B205572FFBEE811DFB1AAE6A" box="[1147,1165,1085,1108]" italics="true" pageId="23" pageNumber="1104">„</emphasis>
, 
<quantity id="F02500EEB205572FFFE8817CFF70AE4A" box="[125,231,1116,1140]" metricMagnitude="-2" metricUnit="m" metricValue="1.98" pageId="23" pageNumber="1104" unit="mm" value="19.8">19.8 mm</quantity>
, slide mount, NSMT-Cr 16680; 
<emphasis id="05A97119B205572FFD16817DFD02AE4A" box="[643,661,1117,1140]" italics="true" pageId="23" pageNumber="1104">„</emphasis>
, 
<quantity id="F02500EEB205572FFD3C817CFC85AE4A" box="[681,786,1116,1140]" metricMagnitude="-2" metricUnit="m" metricValue="1.85" pageId="23" pageNumber="1104" unit="mm" value="18.5">18.5 mm</quantity>
, ethanol, NSMT-Cr. 16681; 
<specimenCount id="21DB6682B205572FFBEB817FFB1BAE4D" box="[1150,1164,1119,1139]" pageId="23" pageNumber="1104" type="female">♀</specimenCount>
, 
<quantity id="F02500EEB205572FFFE8815CFF70AEAA" box="[125,231,1148,1172]" metricMagnitude="-2" metricUnit="m" metricValue="1.51" pageId="23" pageNumber="1104" unit="mm" value="15.1">15.1 mm</quantity>
, slide mount, NSMT-Cr 16682; collection data same as holotype. 
<typeStatus id="E86613A9B205572FFB91815CFBF9AEAA" box="[1028,1134,1148,1172]" pageId="23" pageNumber="1104" type="paratype">Paratype</typeStatus>
: 
<emphasis id="05A97119B205572FFBEE815CFB1AAEAD" box="[1147,1165,1148,1171]" italics="true" pageId="23" pageNumber="1104">„</emphasis>
, 
<quantity id="F02500EEB205572FFFE881BCFF70AE8A" box="[125,231,1180,1204]" metricMagnitude="-2" metricUnit="m" metricValue="1.6199999999999999" pageId="23" pageNumber="1104" unit="mm" value="16.2">16.2 mm</quantity>
, slide mount, NSMT-Cr 16683, middle reaches of 
<location id="3202FBD0B205572FFCA381BCFC67AE8A" LSID="urn:lsid:plazi:treatment:BF741C1DB2015723FE3E80AAFEE5AAEF:3202FBD0B205572FFCA381BCFC67AE8A" box="[822,1008,1180,1204]" name="Masuhoro River" pageId="23" pageNumber="1104" stateProvince="Hokkaido">Masuhoro River</location>
(45 
<emphasis id="05A97119B205572FFB8A81BCFBBEAE8A" bold="true" box="[1055,1065,1180,1204]" italics="true" pageId="23" pageNumber="1104">°</emphasis>
209400N, 141 
<emphasis id="05A97119B205572FFF3C819BFF24AEED" bold="true" box="[169,179,1211,1235]" italics="true" pageId="23" pageNumber="1104">°</emphasis>
509440E), Wakkanai City, 
<collectingRegion id="F51963E9B205572FFD96819CFDEFAEEA" box="[515,632,1212,1236]" country="Japan" name="Hokkaido" pageId="23" pageNumber="1104">Hokkaido</collectingRegion>
, 
<date id="43638BCBB205572FFD1B819CFCBEAEEA" box="[654,809,1212,1236]" pageId="23" pageNumber="1104" value="2002-07-06">
<collectingDate id="53277223B205572FFD1B819CFCBEAEEA" box="[654,809,1212,1236]" pageId="23" pageNumber="1104" value="2002-07-06">6 July 2002</collectingDate>
</date>
, collected by 
<collectorName id="9A28C8DDB205572FFC76819CFB02AEEA" box="[995,1173,1212,1236]" pageId="23" pageNumber="1104">K. Tomikawa.</collectorName>
</materialsCitation>
<materialsCitation id="87B5A756B205572FFFE881FBFC0AAF0D" collectingDate="2001-11-01" collectionCode="T" collectorName="Ito &amp; M. Nakajima" county="Atsuta County" location="Atsuta River" municipality="Cr" pageId="23" pageNumber="1104" specimenCount="1" stateProvince="Hokkaido" typeStatus="paratype">
<typeStatus id="E86613A9B205572FFFE881FBFF66AECD" box="[125,241,1243,1267]" pageId="23" pageNumber="1104" type="paratype">Paratypes</typeStatus>
: 
<emphasis id="05A97119B205572FFF6981FCFE99AECD" box="[252,270,1244,1267]" italics="true" pageId="23" pageNumber="1104">„</emphasis>
, 
<quantity id="F02500EEB205572FFE8881FBFE11AECD" box="[285,390,1243,1267]" metricMagnitude="-2" metricUnit="m" metricValue="2.04" pageId="23" pageNumber="1104" unit="mm" value="20.4">20.4 mm</quantity>
, slide mount, NSMT-Cr 16684; 
<emphasis id="05A97119B205572FFC9281FCFC8EAECD" box="[775,793,1244,1267]" italics="true" pageId="23" pageNumber="1104">„</emphasis>
, 20.0 mm, slide mount, NSMT- 
<collectingMunicipality id="D7063771B205572FFFE881DBFF0BAF2D" box="[125,156,1275,1299]" pageId="23" pageNumber="1104">Cr</collectingMunicipality>
16685; 
<location id="3202FBD0B205572FFE9881DBFE32AF2D" LSID="urn:lsid:plazi:treatment:BF741C1DB2015723FE3E80AAFEE5AAEF:3202FBD0B205572FFE9881DBFE32AF2D" box="[269,421,1275,1299]" county="Atsuta County" municipality="Cr" name="Atsuta River" pageId="23" pageNumber="1104" stateProvince="Hokkaido">Atsuta River</location>
(43 
<emphasis id="05A97119B205572FFE4881DBFE70AF2D" bold="true" box="[477,487,1275,1299]" italics="true" pageId="23" pageNumber="1104">°</emphasis>
239400N, 141 
<emphasis id="05A97119B205572FFD1B81DBFD0FAF2D" bold="true" box="[654,664,1275,1299]" italics="true" pageId="23" pageNumber="1104">°</emphasis>
269210E), 
<location id="3202FBD0B205572FFC8D81DBFC51AF2D" LSID="urn:lsid:plazi:treatment:BF741C1DB2015723FE3E80AAFEE5AAEF:3202FBD0B205572FFC8D81DBFC51AF2D" box="[792,966,1275,1299]" county="Atsuta County" municipality="Cr" name="Atsuta Village" pageId="23" pageNumber="1104" stateProvince="Hokkaido">Atsuta Village</location>
, 
<collectingCounty id="DE03D587B205572FFC4F81DBFB07AF2D" box="[986,1168,1275,1299]" pageId="23" pageNumber="1104">Atsuta County</collectingCounty>
, 
<collectingRegion id="F51963E9B205572FFFE8803BFF65AF0D" box="[125,242,1307,1331]" country="Japan" name="Hokkaido" pageId="23" pageNumber="1104">Hokkaido</collectingRegion>
, 
<date id="43638BCBB205572FFE95803BFE4EAF0D" box="[256,473,1307,1331]" pageId="23" pageNumber="1104" value="2001-11-01">
<collectingDate id="53277223B205572FFE95803BFE4EAF0D" box="[256,473,1307,1331]" pageId="23" pageNumber="1104" value="2001-11-01">1 November 2001</collectingDate>
</date>
, collected by 
<collectionCode id="51CC35CEB205572FFDEE803BFD05AF0D" box="[635,658,1307,1331]" name="Tavera, Department of Geology and Geophysics" pageId="23" pageNumber="1104">T</collectionCode>
. 
<collectorName id="9A28C8DDB205572FFD35803BFD56AF0D" box="[672,705,1307,1331]" pageId="23" pageNumber="1104">Ito</collectorName>
and 
<collectorName id="9A28C8DDB205572FFD6B803BFC0AAF0D" box="[766,925,1307,1331]" pageId="23" pageNumber="1104">M. Nakajima</collectorName>
</materialsCitation>
.
</paragraph>
<paragraph id="3762AD0BB205572FFFE8804CFED9AFBA" blockId="23.[125,334,1388,1412]" box="[125,334,1388,1412]" pageId="23" pageNumber="1104">
<emphasis id="05A97119B205572FFFE8804CFED9AFBA" box="[125,334,1388,1412]" italics="true" pageId="23" pageNumber="1104">Description of male</emphasis>
</paragraph>
<paragraph id="3762AD0BB205572FFFE880BDFE45AF8B" blockId="23.[125,1172,1437,1685]" box="[125,466,1437,1461]" pageId="23" pageNumber="1104">
<typeStatus id="E86613A9B205572FFFE880BDFF7BAF8B" box="[125,236,1437,1461]" pageId="23" pageNumber="1104" type="holotype">Holotype</typeStatus>
, NSMT-Cr 16678.
</paragraph>
<paragraph id="3762AD0BB2055721FF0D809EFCFEAAFF" blockId="23.[125,1172,1437,1685]" lastBlockId="25.[125,1173,137,1685]" lastPageId="25" lastPageNumber="1106" pageId="23" pageNumber="1104">
<emphasis id="05A97119B205572FFF0D809EFF44AFE8" box="[152,211,1470,1494]" italics="true" pageId="23" pageNumber="1104">Head</emphasis>
(
<figureCitation id="AFE6B18EB205572FFF78809EFEF1AFE8" box="[237,358,1470,1494]" captionStart="Figure 9" captionStartId="20.[138,198,1528,1547]" captionTargetBox="[201,1128,142,1486]" captionTargetId="figure-1@20.[195,1128,141,1492]" captionTargetPageId="20" captionText="Figure 9. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT- Cr. 16678. (A) Habitus (lateral view); (B) antenna 1; (C) flagellar article of antenna 1 (some setae are omitted); (D) antenna 2; (E) flagellar article of antenna 2 (some setae are omitted); (F) upper lip; (G) lower lip; (H) right mandible; (I) incisor and lacinia mobilis of left mandible; (J) maxilla 1 (robust apical setae on outer plate are shown enlarged); (K) maxilla 2; (L) palp of maxilliped; (M) inner plate of maxilliped; (N) outer plate of maxilliped. Scale bars: 0.1 mm unless indicated otherwise." figureDoi="http://doi.org/10.5281/zenodo.10092143" httpUri="https://zenodo.org/record/10092143/files/figure.png" pageId="23" pageNumber="1104">Figure 9A</figureCitation>
): about as long as deep; eye medium, subreniform. 
<emphasis id="05A97119B205572FFB82809EFB03AFE8" box="[1047,1172,1470,1494]" italics="true" pageId="23" pageNumber="1104">Antenna 1</emphasis>
(
<figureCitation id="AFE6B18EB205572FFF1080FEFF6AAFC8" box="[133,253,1502,1526]" captionStart="Figure 9" captionStartId="20.[138,198,1528,1547]" captionTargetBox="[201,1128,142,1486]" captionTargetId="figure-1@20.[195,1128,141,1492]" captionTargetPageId="20" captionText="Figure 9. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT- Cr. 16678. (A) Habitus (lateral view); (B) antenna 1; (C) flagellar article of antenna 1 (some setae are omitted); (D) antenna 2; (E) flagellar article of antenna 2 (some setae are omitted); (F) upper lip; (G) lower lip; (H) right mandible; (I) incisor and lacinia mobilis of left mandible; (J) maxilla 1 (robust apical setae on outer plate are shown enlarged); (K) maxilla 2; (L) palp of maxilliped; (M) inner plate of maxilliped; (N) outer plate of maxilliped. Scale bars: 0.1 mm unless indicated otherwise." figureDoi="http://doi.org/10.5281/zenodo.10092143" httpUri="https://zenodo.org/record/10092143/files/figure.png" pageId="23" pageNumber="1104">Figure 9B</figureCitation>
): peduncular articles 1:2:3 with length ratio of 1.0:0.8:0.3; article 1 with robust seta posterodistally, posterior margin with two pairs and four clusters of setae and a single seta; article 2 posterior margin with five clusters of setae; article 3 posterior margin with pair of setae; accessory flagellum eight-articulate; primary flagellum 22-articulate, each article with two short aesthetascs (
<figureCitation id="AFE6B18EB205572FFD9C837DFD14AC4B" box="[521,643,1629,1653]" captionStart="Figure 9" captionStartId="20.[138,198,1528,1547]" captionTargetBox="[201,1128,142,1486]" captionTargetId="figure-1@20.[195,1128,141,1492]" captionTargetPageId="20" captionText="Figure 9. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT- Cr. 16678. (A) Habitus (lateral view); (B) antenna 1; (C) flagellar article of antenna 1 (some setae are omitted); (D) antenna 2; (E) flagellar article of antenna 2 (some setae are omitted); (F) upper lip; (G) lower lip; (H) right mandible; (I) incisor and lacinia mobilis of left mandible; (J) maxilla 1 (robust apical setae on outer plate are shown enlarged); (K) maxilla 2; (L) palp of maxilliped; (M) inner plate of maxilliped; (N) outer plate of maxilliped. Scale bars: 0.1 mm unless indicated otherwise." figureDoi="http://doi.org/10.5281/zenodo.10092143" httpUri="https://zenodo.org/record/10092143/files/figure.png" pageId="23" pageNumber="1104">Figure 9C</figureCitation>
). 
<emphasis id="05A97119B205572FFD0C837DFC9BAC4B" box="[665,780,1629,1653]" italics="true" pageId="23" pageNumber="1104">Antenna 2</emphasis>
(
<figureCitation id="AFE6B18EB205572FFC8E837DFC00AC4B" box="[795,919,1629,1653]" captionStart="Figure 9" captionStartId="20.[138,198,1528,1547]" captionTargetBox="[201,1128,142,1486]" captionTargetId="figure-1@20.[195,1128,141,1492]" captionTargetPageId="20" captionText="Figure 9. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT- Cr. 16678. (A) Habitus (lateral view); (B) antenna 1; (C) flagellar article of antenna 1 (some setae are omitted); (D) antenna 2; (E) flagellar article of antenna 2 (some setae are omitted); (F) upper lip; (G) lower lip; (H) right mandible; (I) incisor and lacinia mobilis of left mandible; (J) maxilla 1 (robust apical setae on outer plate are shown enlarged); (K) maxilla 2; (L) palp of maxilliped; (M) inner plate of maxilliped; (N) outer plate of maxilliped. Scale bars: 0.1 mm unless indicated otherwise." figureDoi="http://doi.org/10.5281/zenodo.10092143" httpUri="https://zenodo.org/record/10092143/files/figure.png" pageId="23" pageNumber="1104">Figure 9D</figureCitation>
): peduncular article 1 with apical setae; articles 4 and 5 about equal in length; article 4 posterior margin with four clusters of setae and a single seta, article 5 posterior margin with five clusters of setae and a single seta; flagellum 20-articlate, with cup-calceoli (
<figureCitation id="AFE6B18EB20B5721FD718589FCCCAAFF" box="[740,859,169,193]" captionStart="Figure 9" captionStartId="20.[138,198,1528,1547]" captionTargetBox="[201,1128,142,1486]" captionTargetId="figure-1@20.[195,1128,141,1492]" captionTargetPageId="20" captionText="Figure 9. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT- Cr. 16678. (A) Habitus (lateral view); (B) antenna 1; (C) flagellar article of antenna 1 (some setae are omitted); (D) antenna 2; (E) flagellar article of antenna 2 (some setae are omitted); (F) upper lip; (G) lower lip; (H) right mandible; (I) incisor and lacinia mobilis of left mandible; (J) maxilla 1 (robust apical setae on outer plate are shown enlarged); (K) maxilla 2; (L) palp of maxilliped; (M) inner plate of maxilliped; (N) outer plate of maxilliped. Scale bars: 0.1 mm unless indicated otherwise." figureDoi="http://doi.org/10.5281/zenodo.10092143" httpUri="https://zenodo.org/record/10092143/files/figure.png" pageId="25" pageNumber="1106">Figure 9E</figureCitation>
).
</paragraph>
<caption id="63A2FD83B20A5720FF1F8307FBA8ACB7" ID-DOI="http://doi.org/10.5281/zenodo.10092151" ID-Zenodo-Dep="10092151" httpUri="https://zenodo.org/record/10092151/files/figure.png" pageId="24" pageNumber="1105" startId="24.[138,198,1575,1594]" targetBox="[169,1152,132,1534]" targetPageId="24">
<paragraph id="3762AD0BB20A5720FF1F8307FBA8ACB7" blockId="24.[138,1185,1575,1673]" pageId="24" pageNumber="1105">
Figure 13. 
<taxonomicName id="F0DDD688B20A5720FF6C8307FE4FAC04" authority="Tomikawa &amp; Morino &amp; Toft &amp; Mawatari, 2006" authorityName="Tomikawa &amp; Morino &amp; Toft &amp; Mawatari" authorityYear="2006" box="[249,472,1575,1594]" class="Malacostraca" family="Anisogammaridae" genus="Eogammarus" kingdom="Animalia" order="Amphipoda" pageId="24" pageNumber="1105" phylum="Arthropoda" rank="species" species="itotomikoae" status="sp. nov.">
<emphasis id="05A97119B20A5720FF6C8307FE4FAC04" box="[249,472,1575,1594]" italics="true" pageId="24" pageNumber="1105">Eogammarus itotomikoae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1E9ACC62B20A5720FE778307FDA4AC04" box="[482,563,1575,1594]" pageId="24" pageNumber="1105" rank="species">sp. nov.</taxonomicNameLabel>
, Masuhoro River, Wakkanai, Japan, paratype, female, 14.1 mm, NSMT-Cr. 16679. (A) Antenna 1; (B) antenna 2; (C) gnathopod 1; (D) dactylus of gnathopod 1; (E) palm of gnathopod 1 (slender setae are omitted); (F) gnathopod 2; (G) dactylus of gnathopod 2; (H) palm of gnathopod 2 (slender setae are omitted); (I–K) coxa–ischium of pereopods 5–7; (L) uropod 3. Scale bars: 0.1 mm.
</paragraph>
</caption>
<paragraph id="3762AD0BB20B5721FF0D85EAFF5CABBA" blockId="25.[125,1173,137,1685]" pageId="25" pageNumber="1106">
<emphasis id="05A97119B20B5721FF0D85EAFF44AADC" box="[152,211,202,226]" italics="true" pageId="25" pageNumber="1106">Pleon</emphasis>
: smooth. 
<emphasis id="05A97119B20B5721FEDC85EAFE1AAADC" box="[329,397,202,226]" italics="true" pageId="25" pageNumber="1106">Coxae</emphasis>
: lower and posteroproximal margins of coxae 1–3 (
<figureCitation id="AFE6B18EB20B5721FC7685EAFF03AB3C" captionStart="Figure 10" captionStartId="21.[125,185,1581,1600]" captionTargetBox="[165,1136,139,1545]" captionTargetId="figure-0@21.[162,1136,138,1545]" captionTargetPageId="21" captionText="Figure 10. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A) Gnathopod 1; (B) dactylus of gnathopod 1; (C) palm of gnathopod 1 (slender setae are omitted); (D) gnathopod 2; (E) dactylus of gnathopod 2; (F) palm of gnathopod 2 (slender setae are omitted); (G) pereopod 3; (H) pereopod 4; (I) coxa–ischium of pereopod 5. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092145" httpUri="https://zenodo.org/record/10092145/files/figure.png" pageId="25" pageNumber="1106">Figure 10A, D, G</figureCitation>
) with short setae, inner face weakly setose; posterodistal corner of coxa 3 with stout seta; lower margin of coxa 4 (
<figureCitation id="AFE6B18EB20B5721FE37842BFDBCAB1D" box="[418,555,267,291]" captionStart="Figure 10" captionStartId="21.[125,185,1581,1600]" captionTargetBox="[165,1136,139,1545]" captionTargetId="figure-0@21.[162,1136,138,1545]" captionTargetPageId="21" captionText="Figure 10. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A) Gnathopod 1; (B) dactylus of gnathopod 1; (C) palm of gnathopod 1 (slender setae are omitted); (D) gnathopod 2; (E) dactylus of gnathopod 2; (F) palm of gnathopod 2 (slender setae are omitted); (G) pereopod 3; (H) pereopod 4; (I) coxa–ischium of pereopod 5. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092145" httpUri="https://zenodo.org/record/10092145/files/figure.png" pageId="25" pageNumber="1106">Figure 10H</figureCitation>
) with short setae, posterior margin excavated, inner face weakly setose; coxae 5 and 6 (
<figureCitation id="AFE6B18EB20B5721FD80840BFD0BAB7D" box="[533,668,299,323]" captionStart="Figure 10" captionStartId="21.[125,185,1581,1600]" captionTargetBox="[165,1136,139,1545]" captionTargetId="figure-0@21.[162,1136,138,1545]" captionTargetPageId="21" captionText="Figure 10. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A) Gnathopod 1; (B) dactylus of gnathopod 1; (C) palm of gnathopod 1 (slender setae are omitted); (D) gnathopod 2; (E) dactylus of gnathopod 2; (F) palm of gnathopod 2 (slender setae are omitted); (G) pereopod 3; (H) pereopod 4; (I) coxa–ischium of pereopod 5. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092145" httpUri="https://zenodo.org/record/10092145/files/figure.png" pageId="25" pageNumber="1106">Figures 10I</figureCitation>
, 
<figureCitation id="AFE6B18EB20B5721FD3F840BFD4CAB7D" box="[682,731,299,323]" captionStart="Figure 11" captionStartId="22.[138,198,1557,1576]" captionTargetBox="[138,1181,119,1519]" captionTargetId="figure-1@22.[138,1185,119,1522]" captionTargetPageId="22" captionText="Figure 11. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A, B) Coxa–ischium of pereopods 6 and 7; (C–H) coxal gills of pereopods 2–7; (I–K) dorsal margins of pleonites 1–3; (L–N) dorsal margins of urosomites 1–3; (O) pleopod 1 (plumose setae on rami are omitted); (P) retinacula (coupling spines) of pleopod 1; (Q) clothespin seta; (R–T) epimeral plates 1–3. Scale bars: 0.1 mm unless indicated otherwise." figureDoi="http://doi.org/10.5281/zenodo.10092147" httpUri="https://zenodo.org/record/10092147/files/figure.png" pageId="25" pageNumber="1106">11A</figureCitation>
) equilobate, posterior lobe with long, stiff setae; ventral margin of coxa 7 (
<figureCitation id="AFE6B18EB20B5721FDDE846BFD59AB5D" box="[587,718,331,355]" captionStart="Figure 11" captionStartId="22.[138,198,1557,1576]" captionTargetBox="[138,1181,119,1519]" captionTargetId="figure-1@22.[138,1185,119,1522]" captionTargetPageId="22" captionText="Figure 11. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A, B) Coxa–ischium of pereopods 6 and 7; (C–H) coxal gills of pereopods 2–7; (I–K) dorsal margins of pleonites 1–3; (L–N) dorsal margins of urosomites 1–3; (O) pleopod 1 (plumose setae on rami are omitted); (P) retinacula (coupling spines) of pleopod 1; (Q) clothespin seta; (R–T) epimeral plates 1–3. Scale bars: 0.1 mm unless indicated otherwise." figureDoi="http://doi.org/10.5281/zenodo.10092147" httpUri="https://zenodo.org/record/10092147/files/figure.png" pageId="25" pageNumber="1106">Figure 11B</figureCitation>
) shallowly concave, posterior margin setose.
</paragraph>
<paragraph id="3762AD0BB20B5721FF0D84ADFF49A8B9" blockId="25.[125,1173,137,1685]" pageId="25" pageNumber="1106">
<emphasis id="05A97119B20B5721FF0D84ADFE97AB9B" box="[152,256,397,421]" italics="true" pageId="25" pageNumber="1106">Mandible</emphasis>
(
<figureCitation id="AFE6B18EB20B5721FE8584ADFE33AB9B" box="[272,420,397,421]" captionStart="Figure 9" captionStartId="20.[138,198,1528,1547]" captionTargetBox="[201,1128,142,1486]" captionTargetId="figure-1@20.[195,1128,141,1492]" captionTargetPageId="20" captionText="Figure 9. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT- Cr. 16678. (A) Habitus (lateral view); (B) antenna 1; (C) flagellar article of antenna 1 (some setae are omitted); (D) antenna 2; (E) flagellar article of antenna 2 (some setae are omitted); (F) upper lip; (G) lower lip; (H) right mandible; (I) incisor and lacinia mobilis of left mandible; (J) maxilla 1 (robust apical setae on outer plate are shown enlarged); (K) maxilla 2; (L) palp of maxilliped; (M) inner plate of maxilliped; (N) outer plate of maxilliped. Scale bars: 0.1 mm unless indicated otherwise." figureDoi="http://doi.org/10.5281/zenodo.10092143" httpUri="https://zenodo.org/record/10092143/files/figure.png" pageId="25" pageNumber="1106">Figure 9H, I</figureCitation>
): palp article 2 with 21 marginal and 30 submarginal setae; palp article 3 length 0.9× article 2 length, with four clusters of A-setae, cluster of B-setae, and a single B-seta. 
<emphasis id="05A97119B20B5721FE8B84EDFE1EABDB" box="[286,393,461,485]" italics="true" pageId="25" pageNumber="1106">Maxilla 1</emphasis>
(
<figureCitation id="AFE6B18EB20B5721FE0D84EDFD90ABDB" box="[408,519,461,485]" captionStart="Figure 9" captionStartId="20.[138,198,1528,1547]" captionTargetBox="[201,1128,142,1486]" captionTargetId="figure-1@20.[195,1128,141,1492]" captionTargetPageId="20" captionText="Figure 9. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT- Cr. 16678. (A) Habitus (lateral view); (B) antenna 1; (C) flagellar article of antenna 1 (some setae are omitted); (D) antenna 2; (E) flagellar article of antenna 2 (some setae are omitted); (F) upper lip; (G) lower lip; (H) right mandible; (I) incisor and lacinia mobilis of left mandible; (J) maxilla 1 (robust apical setae on outer plate are shown enlarged); (K) maxilla 2; (L) palp of maxilliped; (M) inner plate of maxilliped; (N) outer plate of maxilliped. Scale bars: 0.1 mm unless indicated otherwise." figureDoi="http://doi.org/10.5281/zenodo.10092143" httpUri="https://zenodo.org/record/10092143/files/figure.png" pageId="25" pageNumber="1106">Figure 9J</figureCitation>
): inner plate with 22 plumose setae medially; palp article 1 with three setae on outer margin, article 2 with six setae on outer margin and seven stout and 11 slender setae apically. 
<emphasis id="05A97119B20B5721FE61872EFDF2A818" box="[500,613,526,550]" italics="true" pageId="25" pageNumber="1106">Maxilla 2</emphasis>
(
<figureCitation id="AFE6B18EB20B5721FDEF872EFD61A818" box="[634,758,526,550]" captionStart="Figure 9" captionStartId="20.[138,198,1528,1547]" captionTargetBox="[201,1128,142,1486]" captionTargetId="figure-1@20.[195,1128,141,1492]" captionTargetPageId="20" captionText="Figure 9. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT- Cr. 16678. (A) Habitus (lateral view); (B) antenna 1; (C) flagellar article of antenna 1 (some setae are omitted); (D) antenna 2; (E) flagellar article of antenna 2 (some setae are omitted); (F) upper lip; (G) lower lip; (H) right mandible; (I) incisor and lacinia mobilis of left mandible; (J) maxilla 1 (robust apical setae on outer plate are shown enlarged); (K) maxilla 2; (L) palp of maxilliped; (M) inner plate of maxilliped; (N) outer plate of maxilliped. Scale bars: 0.1 mm unless indicated otherwise." figureDoi="http://doi.org/10.5281/zenodo.10092143" httpUri="https://zenodo.org/record/10092143/files/figure.png" pageId="25" pageNumber="1106">Figure 9K</figureCitation>
): inner plate with 22 facial setae. 
<emphasis id="05A97119B20B5721FFE8870EFF65A878" box="[125,242,558,582]" italics="true" pageId="25" pageNumber="1106">Maxilliped</emphasis>
(
<figureCitation id="AFE6B18EB20B5721FE97870EFE09A878" box="[258,414,558,582]" captionStart="Figure 9" captionStartId="20.[138,198,1528,1547]" captionTargetBox="[201,1128,142,1486]" captionTargetId="figure-1@20.[195,1128,141,1492]" captionTargetPageId="20" captionText="Figure 9. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT- Cr. 16678. (A) Habitus (lateral view); (B) antenna 1; (C) flagellar article of antenna 1 (some setae are omitted); (D) antenna 2; (E) flagellar article of antenna 2 (some setae are omitted); (F) upper lip; (G) lower lip; (H) right mandible; (I) incisor and lacinia mobilis of left mandible; (J) maxilla 1 (robust apical setae on outer plate are shown enlarged); (K) maxilla 2; (L) palp of maxilliped; (M) inner plate of maxilliped; (N) outer plate of maxilliped. Scale bars: 0.1 mm unless indicated otherwise." figureDoi="http://doi.org/10.5281/zenodo.10092143" httpUri="https://zenodo.org/record/10092143/files/figure.png" pageId="25" pageNumber="1106">Figure 9L–N</figureCitation>
): inner plate with three apical and three medial bent, stout setae; outer plate beyond middle of palp article 2; outer distal corner of palp article 2 with cluster of setae.
</paragraph>
<paragraph id="3762AD0BB20B5721FF0D87B0FC3CA9B4" blockId="25.[125,1173,137,1685]" pageId="25" pageNumber="1106">
<emphasis id="05A97119B20B5721FF0D87B0FEB0A896" box="[152,295,656,680]" italics="true" pageId="25" pageNumber="1106">Gnathopod 1</emphasis>
(
<figureCitation id="AFE6B18EB20B5721FEA387B0FE28A896" box="[310,447,656,680]" captionStart="Figure 10" captionStartId="21.[125,185,1581,1600]" captionTargetBox="[165,1136,139,1545]" captionTargetId="figure-0@21.[162,1136,138,1545]" captionTargetPageId="21" captionText="Figure 10. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A) Gnathopod 1; (B) dactylus of gnathopod 1; (C) palm of gnathopod 1 (slender setae are omitted); (D) gnathopod 2; (E) dactylus of gnathopod 2; (F) palm of gnathopod 2 (slender setae are omitted); (G) pereopod 3; (H) pereopod 4; (I) coxa–ischium of pereopod 5. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092145" httpUri="https://zenodo.org/record/10092145/files/figure.png" pageId="25" pageNumber="1106">Figure 10A</figureCitation>
): basis with setose anterior and posterior margins, with medial setae; anterior margin of propodus with four clusters of setae and a single seta, palmar margin (
<figureCitation id="AFE6B18EB20B5721FF4B87F1FEF3A8D7" box="[222,356,721,745]" captionStart="Figure 10" captionStartId="21.[125,185,1581,1600]" captionTargetBox="[165,1136,139,1545]" captionTargetId="figure-0@21.[162,1136,138,1545]" captionTargetPageId="21" captionText="Figure 10. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A) Gnathopod 1; (B) dactylus of gnathopod 1; (C) palm of gnathopod 1 (slender setae are omitted); (D) gnathopod 2; (E) dactylus of gnathopod 2; (F) palm of gnathopod 2 (slender setae are omitted); (G) pereopod 3; (H) pereopod 4; (I) coxa–ischium of pereopod 5. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092145" httpUri="https://zenodo.org/record/10092145/files/figure.png" pageId="25" pageNumber="1106">Figure 10C</figureCitation>
) lined with 13 inner and nine outer robust, striated peg setae; dactylus (
<figureCitation id="AFE6B18EB20B5721FF1087D1FE9EA937" box="[133,265,753,777]" captionStart="Figure 10" captionStartId="21.[125,185,1581,1600]" captionTargetBox="[165,1136,139,1545]" captionTargetId="figure-0@21.[162,1136,138,1545]" captionTargetPageId="21" captionText="Figure 10. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A) Gnathopod 1; (B) dactylus of gnathopod 1; (C) palm of gnathopod 1 (slender setae are omitted); (D) gnathopod 2; (E) dactylus of gnathopod 2; (F) palm of gnathopod 2 (slender setae are omitted); (G) pereopod 3; (H) pereopod 4; (I) coxa–ischium of pereopod 5. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092145" httpUri="https://zenodo.org/record/10092145/files/figure.png" pageId="25" pageNumber="1106">Figure 10B</figureCitation>
) with posterior accessory blade longer than nail. 
<emphasis id="05A97119B20B5721FCCD87D1FC7DA937" box="[856,1002,753,777]" italics="true" pageId="25" pageNumber="1106">Gnathopod 2</emphasis>
(
<figureCitation id="AFE6B18EB20B5721FC6987D1FB10A937" box="[1020,1159,753,777]" captionStart="Figure 10" captionStartId="21.[125,185,1581,1600]" captionTargetBox="[165,1136,139,1545]" captionTargetId="figure-0@21.[162,1136,138,1545]" captionTargetPageId="21" captionText="Figure 10. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A) Gnathopod 1; (B) dactylus of gnathopod 1; (C) palm of gnathopod 1 (slender setae are omitted); (D) gnathopod 2; (E) dactylus of gnathopod 2; (F) palm of gnathopod 2 (slender setae are omitted); (G) pereopod 3; (H) pereopod 4; (I) coxa–ischium of pereopod 5. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092145" httpUri="https://zenodo.org/record/10092145/files/figure.png" pageId="25" pageNumber="1106">Figure 10D</figureCitation>
): basis with setose anterior and posterior margins, with medial setae; propodus, anterior margin with four clusters of setae, palmar margin (
<figureCitation id="AFE6B18EB20B5721FD458612FCC4A974" box="[720,851,818,842]" captionStart="Figure 10" captionStartId="21.[125,185,1581,1600]" captionTargetBox="[165,1136,139,1545]" captionTargetId="figure-0@21.[162,1136,138,1545]" captionTargetPageId="21" captionText="Figure 10. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A) Gnathopod 1; (B) dactylus of gnathopod 1; (C) palm of gnathopod 1 (slender setae are omitted); (D) gnathopod 2; (E) dactylus of gnathopod 2; (F) palm of gnathopod 2 (slender setae are omitted); (G) pereopod 3; (H) pereopod 4; (I) coxa–ischium of pereopod 5. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092145" httpUri="https://zenodo.org/record/10092145/files/figure.png" pageId="25" pageNumber="1106">Figure 10F</figureCitation>
) lined with eight inner and seven outer robust, striated peg setae and two inner and two outer stiff pectinate setae; dactylus (
<figureCitation id="AFE6B18EB20B5721FF788652FEE6A9B4" box="[237,369,882,906]" captionStart="Figure 10" captionStartId="21.[125,185,1581,1600]" captionTargetBox="[165,1136,139,1545]" captionTargetId="figure-0@21.[162,1136,138,1545]" captionTargetPageId="21" captionText="Figure 10. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A) Gnathopod 1; (B) dactylus of gnathopod 1; (C) palm of gnathopod 1 (slender setae are omitted); (D) gnathopod 2; (E) dactylus of gnathopod 2; (F) palm of gnathopod 2 (slender setae are omitted); (G) pereopod 3; (H) pereopod 4; (I) coxa–ischium of pereopod 5. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092145" httpUri="https://zenodo.org/record/10092145/files/figure.png" pageId="25" pageNumber="1106">Figure 10E</figureCitation>
) with posterior accessory blade longer than nail.
</paragraph>
<paragraph id="3762AD0BB20B5721FF0D86B3FD7FAE90" blockId="25.[125,1173,137,1685]" pageId="25" pageNumber="1106">
<emphasis id="05A97119B20B5721FF0D86B3FEA4A995" box="[152,307,915,939]" italics="true" pageId="25" pageNumber="1106">Pereopods 3–4</emphasis>
(
<figureCitation id="AFE6B18EB20B5721FED686B3FE64A995" box="[323,499,915,939]" captionStart="Figure 10" captionStartId="21.[125,185,1581,1600]" captionTargetBox="[165,1136,139,1545]" captionTargetId="figure-0@21.[162,1136,138,1545]" captionTargetPageId="21" captionText="Figure 10. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A) Gnathopod 1; (B) dactylus of gnathopod 1; (C) palm of gnathopod 1 (slender setae are omitted); (D) gnathopod 2; (E) dactylus of gnathopod 2; (F) palm of gnathopod 2 (slender setae are omitted); (G) pereopod 3; (H) pereopod 4; (I) coxa–ischium of pereopod 5. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092145" httpUri="https://zenodo.org/record/10092145/files/figure.png" pageId="25" pageNumber="1106">Figure 10G, H</figureCitation>
): basis with setose anterior and posterior margins; merus, carpus, and propodus length ratio 1.0:0.9:0.9 for pereopod 3, 1.0:0.9:1.0 for pereopod 4. 
<emphasis id="05A97119B20B5721FFE886F4FF64A9D2" box="[125,243,980,1004]" italics="true" pageId="25" pageNumber="1106">Pereopod 5</emphasis>
(
<figureCitation id="AFE6B18EB20B5721FE9786F4FE17A9D2" box="[258,384,980,1004]" captionStart="Figure 10" captionStartId="21.[125,185,1581,1600]" captionTargetBox="[165,1136,139,1545]" captionTargetId="figure-0@21.[162,1136,138,1545]" captionTargetPageId="21" captionText="Figure 10. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A) Gnathopod 1; (B) dactylus of gnathopod 1; (C) palm of gnathopod 1 (slender setae are omitted); (D) gnathopod 2; (E) dactylus of gnathopod 2; (F) palm of gnathopod 2 (slender setae are omitted); (G) pereopod 3; (H) pereopod 4; (I) coxa–ischium of pereopod 5. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092145" httpUri="https://zenodo.org/record/10092145/files/figure.png" pageId="25" pageNumber="1106">Figure 10I</figureCitation>
): basis posteroproximally expanded, with setose anteroproximal and posterior margins, stiff setose anterodistal margin, inner face with setae. 
<emphasis id="05A97119B20B5721FB8386D4FB03AE32" box="[1046,1172,1012,1036]" italics="true" pageId="25" pageNumber="1106">Pereopod 6</emphasis>
(
<figureCitation id="AFE6B18EB20B5721FF108135FE9AAE13" box="[133,269,1045,1069]" captionStart="Figure 11" captionStartId="22.[138,198,1557,1576]" captionTargetBox="[138,1181,119,1519]" captionTargetId="figure-1@22.[138,1185,119,1522]" captionTargetPageId="22" captionText="Figure 11. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A, B) Coxa–ischium of pereopods 6 and 7; (C–H) coxal gills of pereopods 2–7; (I–K) dorsal margins of pleonites 1–3; (L–N) dorsal margins of urosomites 1–3; (O) pleopod 1 (plumose setae on rami are omitted); (P) retinacula (coupling spines) of pleopod 1; (Q) clothespin seta; (R–T) epimeral plates 1–3. Scale bars: 0.1 mm unless indicated otherwise." figureDoi="http://doi.org/10.5281/zenodo.10092147" httpUri="https://zenodo.org/record/10092147/files/figure.png" pageId="25" pageNumber="1106">Figure 11A</figureCitation>
): basis with setose anteroproximal and posterior margins, stiff setose anterodistal margin, inner face with setae, longest posteromarginal seta 0.4× width of ischium. 
<emphasis id="05A97119B20B5721FF7F8176FEF6AE50" box="[234,353,1110,1134]" italics="true" pageId="25" pageNumber="1106">Pereopod 7</emphasis>
(
<figureCitation id="AFE6B18EB20B5721FEE68176FE6EAE50" box="[371,505,1110,1134]" captionStart="Figure 11" captionStartId="22.[138,198,1557,1576]" captionTargetBox="[138,1181,119,1519]" captionTargetId="figure-1@22.[138,1185,119,1522]" captionTargetPageId="22" captionText="Figure 11. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A, B) Coxa–ischium of pereopods 6 and 7; (C–H) coxal gills of pereopods 2–7; (I–K) dorsal margins of pleonites 1–3; (L–N) dorsal margins of urosomites 1–3; (O) pleopod 1 (plumose setae on rami are omitted); (P) retinacula (coupling spines) of pleopod 1; (Q) clothespin seta; (R–T) epimeral plates 1–3. Scale bars: 0.1 mm unless indicated otherwise." figureDoi="http://doi.org/10.5281/zenodo.10092147" httpUri="https://zenodo.org/record/10092147/files/figure.png" pageId="25" pageNumber="1106">Figure 11B</figureCitation>
): basis posteriorly expanded, with setose anteroproximal and posterior margins, stiff setose anterodistal margin, inner face with numerous setae, longest posteromarginal seta 1.3× width of ischium.
</paragraph>
<paragraph id="3762AD0BB20B5721FF0D8197FB89AF4F" blockId="25.[125,1173,137,1685]" pageId="25" pageNumber="1106">
<emphasis id="05A97119B20B5721FF0D8197FF63AEF1" box="[152,244,1207,1231]" italics="true" pageId="25" pageNumber="1106">Pleopods</emphasis>
(
<figureCitation id="AFE6B18EB20B5721FE9C8197FE05AEF1" box="[265,402,1207,1231]" captionStart="Figure 11" captionStartId="22.[138,198,1557,1576]" captionTargetBox="[138,1181,119,1519]" captionTargetId="figure-1@22.[138,1185,119,1522]" captionTargetPageId="22" captionText="Figure 11. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A, B) Coxa–ischium of pereopods 6 and 7; (C–H) coxal gills of pereopods 2–7; (I–K) dorsal margins of pleonites 1–3; (L–N) dorsal margins of urosomites 1–3; (O) pleopod 1 (plumose setae on rami are omitted); (P) retinacula (coupling spines) of pleopod 1; (Q) clothespin seta; (R–T) epimeral plates 1–3. Scale bars: 0.1 mm unless indicated otherwise." figureDoi="http://doi.org/10.5281/zenodo.10092147" httpUri="https://zenodo.org/record/10092147/files/figure.png" pageId="25" pageNumber="1106">Figure 11O</figureCitation>
): retinacula paired (
<figureCitation id="AFE6B18EB20B5721FD1C8197FC99AEF1" box="[649,782,1207,1231]" captionStart="Figure 11" captionStartId="22.[138,198,1557,1576]" captionTargetBox="[138,1181,119,1519]" captionTargetId="figure-1@22.[138,1185,119,1522]" captionTargetPageId="22" captionText="Figure 11. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A, B) Coxa–ischium of pereopods 6 and 7; (C–H) coxal gills of pereopods 2–7; (I–K) dorsal margins of pleonites 1–3; (L–N) dorsal margins of urosomites 1–3; (O) pleopod 1 (plumose setae on rami are omitted); (P) retinacula (coupling spines) of pleopod 1; (Q) clothespin seta; (R–T) epimeral plates 1–3. Scale bars: 0.1 mm unless indicated otherwise." figureDoi="http://doi.org/10.5281/zenodo.10092147" httpUri="https://zenodo.org/record/10092147/files/figure.png" pageId="25" pageNumber="1106">Figure 11P</figureCitation>
). 
<emphasis id="05A97119B20B5721FCBC8197FC3CAEF1" box="[809,939,1207,1231]" italics="true" pageId="25" pageNumber="1106">Epimeron 1</emphasis>
(
<figureCitation id="AFE6B18EB20B5721FC558197FBD0AEF1" box="[960,1095,1207,1231]" captionStart="Figure 11" captionStartId="22.[138,198,1557,1576]" captionTargetBox="[138,1181,119,1519]" captionTargetId="figure-1@22.[138,1185,119,1522]" captionTargetPageId="22" captionText="Figure 11. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A, B) Coxa–ischium of pereopods 6 and 7; (C–H) coxal gills of pereopods 2–7; (I–K) dorsal margins of pleonites 1–3; (L–N) dorsal margins of urosomites 1–3; (O) pleopod 1 (plumose setae on rami are omitted); (P) retinacula (coupling spines) of pleopod 1; (Q) clothespin seta; (R–T) epimeral plates 1–3. Scale bars: 0.1 mm unless indicated otherwise." figureDoi="http://doi.org/10.5281/zenodo.10092147" httpUri="https://zenodo.org/record/10092147/files/figure.png" pageId="25" pageNumber="1106">Figure 11R</figureCitation>
): with setose anteroventral margin, posterior margin with three setae, posterodistal corner with seta. 
<emphasis id="05A97119B20B5721FF2D81D8FEA3AF2E" box="[184,308,1272,1296]" italics="true" pageId="25" pageNumber="1106">Epimeron 2</emphasis>
(
<figureCitation id="AFE6B18EB20B5721FED781D8FE52AF2E" box="[322,453,1272,1296]" captionStart="Figure 11" captionStartId="22.[138,198,1557,1576]" captionTargetBox="[138,1181,119,1519]" captionTargetId="figure-1@22.[138,1185,119,1522]" captionTargetPageId="22" captionText="Figure 11. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A, B) Coxa–ischium of pereopods 6 and 7; (C–H) coxal gills of pereopods 2–7; (I–K) dorsal margins of pleonites 1–3; (L–N) dorsal margins of urosomites 1–3; (O) pleopod 1 (plumose setae on rami are omitted); (P) retinacula (coupling spines) of pleopod 1; (Q) clothespin seta; (R–T) epimeral plates 1–3. Scale bars: 0.1 mm unless indicated otherwise." figureDoi="http://doi.org/10.5281/zenodo.10092147" httpUri="https://zenodo.org/record/10092147/files/figure.png" pageId="25" pageNumber="1106">Figure 11S</figureCitation>
): with setose anteroventral margin, ventral submargin with five slender and three spine-like setae, posterior margin with four setae, posterodistal corner with seta. 
<emphasis id="05A97119B20B5721FF638019FEE3AF6F" box="[246,372,1337,1361]" italics="true" pageId="25" pageNumber="1106">Epimeron 3</emphasis>
(
<figureCitation id="AFE6B18EB20B5721FE118019FD9CAF6F" box="[388,523,1337,1361]" captionStart="Figure 11" captionStartId="22.[138,198,1557,1576]" captionTargetBox="[138,1181,119,1519]" captionTargetId="figure-1@22.[138,1185,119,1522]" captionTargetPageId="22" captionText="Figure 11. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A, B) Coxa–ischium of pereopods 6 and 7; (C–H) coxal gills of pereopods 2–7; (I–K) dorsal margins of pleonites 1–3; (L–N) dorsal margins of urosomites 1–3; (O) pleopod 1 (plumose setae on rami are omitted); (P) retinacula (coupling spines) of pleopod 1; (Q) clothespin seta; (R–T) epimeral plates 1–3. Scale bars: 0.1 mm unless indicated otherwise." figureDoi="http://doi.org/10.5281/zenodo.10092147" httpUri="https://zenodo.org/record/10092147/files/figure.png" pageId="25" pageNumber="1106">Figure 11T</figureCitation>
): with setose anteroventral margin, ventral margin with three spine-like setae, posterior margin and posterodistal corner each with seta.
</paragraph>
<paragraph id="3762AD0BB20B5722FF0D805AFD53AB3C" blockId="25.[125,1173,137,1685]" lastBlockId="26.[138,1185,137,258]" lastPageId="26" lastPageNumber="1107" pageId="25" pageNumber="1106">
<emphasis id="05A97119B20B5721FF0D805AFE96AFAC" box="[152,257,1402,1426]" italics="true" pageId="25" pageNumber="1106">Uropod 1</emphasis>
(
<figureCitation id="AFE6B18EB20B5721FE86805AFE0BAFAC" box="[275,412,1402,1426]" captionStart="Figure 12" captionStartId="23.[125,185,881,900]" captionTargetBox="[125,1172,133,845]" captionTargetId="figure-271@23.[125,1172,133,845]" captionTargetPageId="23" captionText="Figure 12. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A–C) Uropods 1–3; (D) telson (dorsal view). Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092149" httpUri="https://zenodo.org/record/10092149/files/figure.png" pageId="25" pageNumber="1106">Figure 12A</figureCitation>
): inner ramus length 0.8×, outer ramus length 0.7× peduncle length; peduncle with robust marginal setae and robust basofacial seta; inner ramus with two robust inner marginal setae; outer ramus with one inner and one outer robust marginal setae. 
<emphasis id="05A97119B20B5721FF5080FBFEBDAFCD" box="[197,298,1499,1523]" italics="true" pageId="25" pageNumber="1106">Uropod 2</emphasis>
(
<figureCitation id="AFE6B18EB20B5721FEAC80FBFE57AFCD" box="[313,448,1499,1523]" captionStart="Figure 12" captionStartId="23.[125,185,881,900]" captionTargetBox="[125,1172,133,845]" captionTargetId="figure-271@23.[125,1172,133,845]" captionTargetPageId="23" captionText="Figure 12. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A–C) Uropods 1–3; (D) telson (dorsal view). Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092149" httpUri="https://zenodo.org/record/10092149/files/figure.png" pageId="25" pageNumber="1106">Figure 12B</figureCitation>
): inner ramus length 0.9×, outer ramus length 0.7× peduncle length; peduncle with robust marginal setae; inner ramus with two robust inner marginal setae and a slender outer marginal seta; outer ramus with a robust outer marginal seta. 
<emphasis id="05A97119B20B5721FFE8831CFF74AC6A" box="[125,227,1596,1620]" italics="true" pageId="25" pageNumber="1106">Uropod 3</emphasis>
(
<figureCitation id="AFE6B18EB20B5721FF66831CFEECAC6A" box="[243,379,1596,1620]" captionStart="Figure 12" captionStartId="23.[125,185,881,900]" captionTargetBox="[125,1172,133,845]" captionTargetId="figure-271@23.[125,1172,133,845]" captionTargetPageId="23" captionText="Figure 12. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A–C) Uropods 1–3; (D) telson (dorsal view). Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092149" httpUri="https://zenodo.org/record/10092149/files/figure.png" pageId="25" pageNumber="1106">Figure 12C</figureCitation>
): inner ramus length 0.2× outer ramus length, with lateral plumose setae and stiff lateral setae; outer margin of outer ramus with six clusters of robust setae, a short robust seta, a few simple and plumose setae; inner margin with four clusters of robust setae, a few simple setae and numerous plumose setae; terminal article length 0.1× proximal article length. 
<emphasis id="05A97119B2085722FE3D8589FE7AAAFF" box="[424,493,169,193]" italics="true" pageId="26" pageNumber="1107">Telson</emphasis>
(
<figureCitation id="AFE6B18EB2085722FD958589FD1BAAFF" box="[512,652,169,193]" captionStart="Figure 12" captionStartId="23.[125,185,881,900]" captionTargetBox="[125,1172,133,845]" captionTargetId="figure-271@23.[125,1172,133,845]" captionTargetPageId="23" captionText="Figure 12. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, holotype, male, 18.9 mm, NSMT-Cr. 16678. (A–C) Uropods 1–3; (D) telson (dorsal view). Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092149" httpUri="https://zenodo.org/record/10092149/files/figure.png" pageId="26" pageNumber="1107">Figure 12D</figureCitation>
): length 0.9× width, with robust apical and distolateral setae, slender apical setae, and apical and distolateral penicillate setae; robust apical setae longer than slender setae; cleft 68%.
</paragraph>
<paragraph id="3762AD0BB2085722FF1F841AFE63AB6C" blockId="26.[138,500,314,338]" box="[138,500,314,338]" pageId="26" pageNumber="1107">
<emphasis id="05A97119B2085722FF1F841AFE63AB6C" box="[138,500,314,338]" italics="true" pageId="26" pageNumber="1107">Description of female (immature)</emphasis>
</paragraph>
<paragraph id="3762AD0BB2085722FF1F844BFE4FABBD" blockId="26.[138,1185,363,1037]" box="[138,472,363,387]" pageId="26" pageNumber="1107">
<typeStatus id="E86613A9B2085722FF1F844BFF64ABBD" box="[138,243,363,387]" pageId="26" pageNumber="1107" type="paratype">Paratype</typeStatus>
, NSMT-Cr 16679.
</paragraph>
<paragraph id="3762AD0BB2085722FF3084ACFE8AA858" blockId="26.[138,1185,363,1037]" pageId="26" pageNumber="1107">
<emphasis id="05A97119B2085722FF3084ACFE80AB9A" box="[165,279,396,420]" italics="true" pageId="26" pageNumber="1107">Antenna 1</emphasis>
(
<figureCitation id="AFE6B18EB2085722FEB384ACFE39AB9A" box="[294,430,396,420]" captionStart="Figure 13" captionStartId="24.[138,198,1575,1594]" captionTargetBox="[169,1152,132,1534]" captionTargetId="figure-0@24.[169,1153,132,1538]" captionTargetPageId="24" captionText="Figure 13. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, paratype, female, 14.1 mm, NSMT-Cr. 16679. (A) Antenna 1; (B) antenna 2; (C) gnathopod 1; (D) dactylus of gnathopod 1; (E) palm of gnathopod 1 (slender setae are omitted); (F) gnathopod 2; (G) dactylus of gnathopod 2; (H) palm of gnathopod 2 (slender setae are omitted); (I–K) coxa–ischium of pereopods 5–7; (L) uropod 3. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092151" httpUri="https://zenodo.org/record/10092151/files/figure.png" pageId="26" pageNumber="1107">Figure 13A</figureCitation>
): peduncular articles 1:2: 
<quantity id="F02500EEB2085722FD5A84ACFD6AAB9A" box="[719,765,396,420]" metricMagnitude="-2" metricUnit="m" metricValue="7.62" pageId="26" pageNumber="1107" unit="in" value="3.0">3 in</quantity>
ratio of 1:0.8:0.4; article 1 posterior margin with four pairs and cluster of setae and a single seta; article 2 posterior margin with two pairs and two clusters of setae; article 3 posterior margin with pair of setae; accessory flagellum seven-articulate; primary flagellum 33-articulate, each article with two short aesthetascs. 
<emphasis id="05A97119B2085722FE88872EFE03A818" box="[285,404,526,550]" italics="true" pageId="26" pageNumber="1107">Antenna 2</emphasis>
(
<figureCitation id="AFE6B18EB2085722FE3D872EFDB9A818" box="[424,558,526,550]" captionStart="Figure 13" captionStartId="24.[138,198,1575,1594]" captionTargetBox="[169,1152,132,1534]" captionTargetId="figure-0@24.[169,1153,132,1538]" captionTargetPageId="24" captionText="Figure 13. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, paratype, female, 14.1 mm, NSMT-Cr. 16679. (A) Antenna 1; (B) antenna 2; (C) gnathopod 1; (D) dactylus of gnathopod 1; (E) palm of gnathopod 1 (slender setae are omitted); (F) gnathopod 2; (G) dactylus of gnathopod 2; (H) palm of gnathopod 2 (slender setae are omitted); (I–K) coxa–ischium of pereopods 5–7; (L) uropod 3. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092151" httpUri="https://zenodo.org/record/10092151/files/figure.png" pageId="26" pageNumber="1107">Figure 13B</figureCitation>
): peduncular articles 4: 
<quantity id="F02500EEB2085722FCDF872EFCECA818" box="[842,891,526,550]" metricMagnitude="-1" metricUnit="m" metricValue="1.27" pageId="26" pageNumber="1107" unit="in" value="5.0">5 in</quantity>
ratio of 1:0.9, posterior margins of articles 4 and 5 each with four clusters of setae; flagellum 15-articulate, with cup-calceoli.
</paragraph>
<paragraph id="3762AD0BB2085722FF30874FFEC3A917" blockId="26.[138,1185,363,1037]" pageId="26" pageNumber="1107">
<emphasis id="05A97119B2085722FF30874FFEAEA8B9" box="[165,313,623,647]" italics="true" pageId="26" pageNumber="1107">Gnathopod 1</emphasis>
(
<figureCitation id="AFE6B18EB2085722FED8874FFE41A8B9" box="[333,470,623,647]" captionStart="Figure 13" captionStartId="24.[138,198,1575,1594]" captionTargetBox="[169,1152,132,1534]" captionTargetId="figure-0@24.[169,1153,132,1538]" captionTargetPageId="24" captionText="Figure 13. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, paratype, female, 14.1 mm, NSMT-Cr. 16679. (A) Antenna 1; (B) antenna 2; (C) gnathopod 1; (D) dactylus of gnathopod 1; (E) palm of gnathopod 1 (slender setae are omitted); (F) gnathopod 2; (G) dactylus of gnathopod 2; (H) palm of gnathopod 2 (slender setae are omitted); (I–K) coxa–ischium of pereopods 5–7; (L) uropod 3. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092151" httpUri="https://zenodo.org/record/10092151/files/figure.png" pageId="26" pageNumber="1107">Figure 13C</figureCitation>
): palmar margin of propodus (
<figureCitation id="AFE6B18EB2085722FCC6874FFC41A8B9" box="[851,982,623,647]" captionStart="Figure 13" captionStartId="24.[138,198,1575,1594]" captionTargetBox="[169,1152,132,1534]" captionTargetId="figure-0@24.[169,1153,132,1538]" captionTargetPageId="24" captionText="Figure 13. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, paratype, female, 14.1 mm, NSMT-Cr. 16679. (A) Antenna 1; (B) antenna 2; (C) gnathopod 1; (D) dactylus of gnathopod 1; (E) palm of gnathopod 1 (slender setae are omitted); (F) gnathopod 2; (G) dactylus of gnathopod 2; (H) palm of gnathopod 2 (slender setae are omitted); (I–K) coxa–ischium of pereopods 5–7; (L) uropod 3. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092151" httpUri="https://zenodo.org/record/10092151/files/figure.png" pageId="26" pageNumber="1107">Figure 13E</figureCitation>
) with 13 simple robust setae on inner distal part; dactylus (
<figureCitation id="AFE6B18EB2085722FD0F87B0FCB6A896" box="[666,801,656,680]" captionStart="Figure 13" captionStartId="24.[138,198,1575,1594]" captionTargetBox="[169,1152,132,1534]" captionTargetId="figure-0@24.[169,1153,132,1538]" captionTargetPageId="24" captionText="Figure 13. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, paratype, female, 14.1 mm, NSMT-Cr. 16679. (A) Antenna 1; (B) antenna 2; (C) gnathopod 1; (D) dactylus of gnathopod 1; (E) palm of gnathopod 1 (slender setae are omitted); (F) gnathopod 2; (G) dactylus of gnathopod 2; (H) palm of gnathopod 2 (slender setae are omitted); (I–K) coxa–ischium of pereopods 5–7; (L) uropod 3. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092151" httpUri="https://zenodo.org/record/10092151/files/figure.png" pageId="26" pageNumber="1107">Figure 13D</figureCitation>
) with posterior accessory blade shorter than nail. 
<emphasis id="05A97119B2085722FEC38790FE73A8F6" box="[342,484,688,712]" italics="true" pageId="26" pageNumber="1107">Gnathopod 2</emphasis>
(
<figureCitation id="AFE6B18EB2085722FE678790FDEFA8F6" box="[498,632,688,712]" captionStart="Figure 13" captionStartId="24.[138,198,1575,1594]" captionTargetBox="[169,1152,132,1534]" captionTargetId="figure-0@24.[169,1153,132,1538]" captionTargetPageId="24" captionText="Figure 13. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, paratype, female, 14.1 mm, NSMT-Cr. 16679. (A) Antenna 1; (B) antenna 2; (C) gnathopod 1; (D) dactylus of gnathopod 1; (E) palm of gnathopod 1 (slender setae are omitted); (F) gnathopod 2; (G) dactylus of gnathopod 2; (H) palm of gnathopod 2 (slender setae are omitted); (I–K) coxa–ischium of pereopods 5–7; (L) uropod 3. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092151" httpUri="https://zenodo.org/record/10092151/files/figure.png" pageId="26" pageNumber="1107">Figure 13F</figureCitation>
): palmar margin of propodus (
<figureCitation id="AFE6B18EB2085722FC428790FBC9A8F6" box="[983,1118,688,712]" captionStart="Figure 13" captionStartId="24.[138,198,1575,1594]" captionTargetBox="[169,1152,132,1534]" captionTargetId="figure-0@24.[169,1153,132,1538]" captionTargetPageId="24" captionText="Figure 13. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, paratype, female, 14.1 mm, NSMT-Cr. 16679. (A) Antenna 1; (B) antenna 2; (C) gnathopod 1; (D) dactylus of gnathopod 1; (E) palm of gnathopod 1 (slender setae are omitted); (F) gnathopod 2; (G) dactylus of gnathopod 2; (H) palm of gnathopod 2 (slender setae are omitted); (I–K) coxa–ischium of pereopods 5–7; (L) uropod 3. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092151" httpUri="https://zenodo.org/record/10092151/files/figure.png" pageId="26" pageNumber="1107">Figure 13H</figureCitation>
) with four simple and four robust pectinate setae on inner distal part, one simple and four robust pectinate setae on outer margin; dactylus (
<figureCitation id="AFE6B18EB2085722FD0287D1FC89A937" box="[663,798,753,777]" captionStart="Figure 13" captionStartId="24.[138,198,1575,1594]" captionTargetBox="[169,1152,132,1534]" captionTargetId="figure-0@24.[169,1153,132,1538]" captionTargetPageId="24" captionText="Figure 13. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, paratype, female, 14.1 mm, NSMT-Cr. 16679. (A) Antenna 1; (B) antenna 2; (C) gnathopod 1; (D) dactylus of gnathopod 1; (E) palm of gnathopod 1 (slender setae are omitted); (F) gnathopod 2; (G) dactylus of gnathopod 2; (H) palm of gnathopod 2 (slender setae are omitted); (I–K) coxa–ischium of pereopods 5–7; (L) uropod 3. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092151" httpUri="https://zenodo.org/record/10092151/files/figure.png" pageId="26" pageNumber="1107">Figure 13G</figureCitation>
) with posterior accessory blade shorter than nail.
</paragraph>
<paragraph id="3762AD0BB2085722FF308612FBEAA9B5" blockId="26.[138,1185,363,1037]" pageId="26" pageNumber="1107">
<emphasis id="05A97119B2085722FF308612FED2A974" box="[165,325,818,842]" italics="true" pageId="26" pageNumber="1107">Pereopods 5–7</emphasis>
(
<figureCitation id="AFE6B18EB2085722FECE8612FE6AA974" box="[347,509,818,842]" captionStart="Figure 13" captionStartId="24.[138,198,1575,1594]" captionTargetBox="[169,1152,132,1534]" captionTargetId="figure-0@24.[169,1153,132,1538]" captionTargetPageId="24" captionText="Figure 13. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, paratype, female, 14.1 mm, NSMT-Cr. 16679. (A) Antenna 1; (B) antenna 2; (C) gnathopod 1; (D) dactylus of gnathopod 1; (E) palm of gnathopod 1 (slender setae are omitted); (F) gnathopod 2; (G) dactylus of gnathopod 2; (H) palm of gnathopod 2 (slender setae are omitted); (I–K) coxa–ischium of pereopods 5–7; (L) uropod 3. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092151" httpUri="https://zenodo.org/record/10092151/files/figure.png" pageId="26" pageNumber="1107">Figure 13I–K</figureCitation>
): basis more expanded posteriorly than those of male. 
<emphasis id="05A97119B2085722FF1F8673FE91A955" box="[138,262,851,875]" italics="true" pageId="26" pageNumber="1107">Pereopod 6</emphasis>
(
<figureCitation id="AFE6B18EB2085722FE8E8673FE0FA955" box="[283,408,851,875]" captionStart="Figure 13" captionStartId="24.[138,198,1575,1594]" captionTargetBox="[169,1152,132,1534]" captionTargetId="figure-0@24.[169,1153,132,1538]" captionTargetPageId="24" captionText="Figure 13. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, paratype, female, 14.1 mm, NSMT-Cr. 16679. (A) Antenna 1; (B) antenna 2; (C) gnathopod 1; (D) dactylus of gnathopod 1; (E) palm of gnathopod 1 (slender setae are omitted); (F) gnathopod 2; (G) dactylus of gnathopod 2; (H) palm of gnathopod 2 (slender setae are omitted); (I–K) coxa–ischium of pereopods 5–7; (L) uropod 3. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092151" httpUri="https://zenodo.org/record/10092151/files/figure.png" pageId="26" pageNumber="1107">Figure 13J</figureCitation>
): longest posteromarginal seta of basis 0.3× width of ischium. 
<emphasis id="05A97119B2085722FF1F8653FE96A9B5" box="[138,257,883,907]" italics="true" pageId="26" pageNumber="1107">Pereopod 7</emphasis>
(
<figureCitation id="AFE6B18EB2085722FE878653FE0CA9B5" box="[274,411,883,907]" captionStart="Figure 13" captionStartId="24.[138,198,1575,1594]" captionTargetBox="[169,1152,132,1534]" captionTargetId="figure-0@24.[169,1153,132,1538]" captionTargetPageId="24" captionText="Figure 13. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, paratype, female, 14.1 mm, NSMT-Cr. 16679. (A) Antenna 1; (B) antenna 2; (C) gnathopod 1; (D) dactylus of gnathopod 1; (E) palm of gnathopod 1 (slender setae are omitted); (F) gnathopod 2; (G) dactylus of gnathopod 2; (H) palm of gnathopod 2 (slender setae are omitted); (I–K) coxa–ischium of pereopods 5–7; (L) uropod 3. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092151" httpUri="https://zenodo.org/record/10092151/files/figure.png" pageId="26" pageNumber="1107">Figure 13K</figureCitation>
): longest posteromarginal seta of basis 1.1× width of ischium.
</paragraph>
<paragraph id="3762AD0BB2085722FF3086B4FCAEAE33" blockId="26.[138,1185,363,1037]" pageId="26" pageNumber="1107">
<emphasis id="05A97119B2085722FF3086B4FE9AA992" box="[165,269,916,940]" italics="true" pageId="26" pageNumber="1107">Uropod 3</emphasis>
(
<figureCitation id="AFE6B18EB2085722FE8A86B4FE31A992" box="[287,422,916,940]" captionStart="Figure 13" captionStartId="24.[138,198,1575,1594]" captionTargetBox="[169,1152,132,1534]" captionTargetId="figure-0@24.[169,1153,132,1538]" captionTargetPageId="24" captionText="Figure 13. Eogammarus itotomikoae sp. nov., Masuhoro River, Wakkanai, Japan, paratype, female, 14.1 mm, NSMT-Cr. 16679. (A) Antenna 1; (B) antenna 2; (C) gnathopod 1; (D) dactylus of gnathopod 1; (E) palm of gnathopod 1 (slender setae are omitted); (F) gnathopod 2; (G) dactylus of gnathopod 2; (H) palm of gnathopod 2 (slender setae are omitted); (I–K) coxa–ischium of pereopods 5–7; (L) uropod 3. Scale bars: 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092151" httpUri="https://zenodo.org/record/10092151/files/figure.png" pageId="26" pageNumber="1107">Figure 13L</figureCitation>
): inner ramus length 0.2× outer ramus length; outer margin of outer ramus with five clusters of robust setae, a few simple and plumose setae; inner margin with four clusters of robust setae, a few simple and numerous plumose setae; terminal article of outer ramus length 0.1× proximal article length.
</paragraph>
<paragraph id="3762AD0BB2085722FF1F8166FF65AE60" blockId="26.[138,242,1094,1118]" box="[138,242,1094,1118]" pageId="26" pageNumber="1107">
<emphasis id="05A97119B2085722FF1F8166FF65AE60" box="[138,242,1094,1118]" italics="true" pageId="26" pageNumber="1107">Variation</emphasis>
</paragraph>
<paragraph id="3762AD0BB2085722FF1F8157FD94AEF1" blockId="26.[138,1185,1143,1231]" pageId="26" pageNumber="1107">The number of clusters of setae on peduncular articles of both antennae 1 and 2 varies from four to six. The number of clusters of robust setae on the outer margin of the ramus of uropod 3 varies from five to six.</paragraph>
<paragraph id="3762AD0BB2085722FF1F8028FF7EAF1E" blockId="26.[138,233,1288,1312]" box="[138,233,1288,1312]" pageId="26" pageNumber="1107">
<emphasis id="05A97119B2085722FF1F8028FF7EAF1E" box="[138,233,1288,1312]" italics="true" pageId="26" pageNumber="1107">Remarks</emphasis>
</paragraph>
<paragraph id="3762AD0BB2085722FF1F801AFEE0AC2D" blockId="26.[138,1185,1337,1555]" pageId="26" pageNumber="1107">
<taxonomicName id="F0DDD688B2085722FF1F801AFE0BAF6F" authority="Tomikawa &amp; Morino &amp; Toft &amp; Mawatari, 2006" authorityName="Tomikawa &amp; Morino &amp; Toft &amp; Mawatari" authorityYear="2006" box="[138,412,1337,1361]" class="Malacostraca" family="Anisogammaridae" genus="Eogammarus" kingdom="Animalia" order="Amphipoda" pageId="26" pageNumber="1107" phylum="Arthropoda" rank="species" species="itotomikoae" status="sp. nov.">
<emphasis id="05A97119B2085722FF1F801AFE0BAF6F" box="[138,412,1337,1361]" italics="true" pageId="26" pageNumber="1107">Eogammarus itotomikoae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1E9ACC62B2085722FE318019FE68AF6F" box="[420,511,1337,1361]" pageId="26" pageNumber="1107" rank="species">sp. nov.</taxonomicNameLabel>
is distinguished from its congeners by the presence of two aesthetascs on each flagellar article of antenna 1. 
<taxonomicName id="F0DDD688B2085722FD57807AFC44AF4F" authorityName="Tomikawa &amp; Morino &amp; Toft &amp; Mawatari" authorityYear="2006" box="[706,979,1369,1393]" class="Malacostraca" family="Anisogammaridae" genus="Eogammarus" kingdom="Animalia" order="Amphipoda" pageId="26" pageNumber="1107" phylum="Arthropoda" rank="species" species="itotomikoae">
<emphasis id="05A97119B2085722FD57807AFC44AF4F" box="[706,979,1369,1393]" italics="true" pageId="26" pageNumber="1107">Eogammarus itotomikoae</emphasis>
</taxonomicName>
is distinguishable from 
<taxonomicName id="F0DDD688B2085722FF5A805AFEC4AFAC" baseAuthorityName="Tzvetkova" baseAuthorityYear="1965" box="[207,339,1402,1426]" class="Malacostraca" family="Anisogammaridae" genus="Eogammarus" kingdom="Animalia" order="Amphipoda" pageId="26" pageNumber="1107" phylum="Arthropoda" rank="species" species="barbatus">
<emphasis id="05A97119B2085722FF5A805AFEC4AFAC" box="[207,339,1402,1426]" italics="true" pageId="26" pageNumber="1107">E. barbatus</emphasis>
</taxonomicName>
, the most similar species by the following characters (
<taxonomicName id="F0DDD688B2085722FC6C805AFBEAAFAC" baseAuthorityName="Tzvetkova" baseAuthorityYear="1965" box="[1017,1149,1402,1426]" class="Malacostraca" family="Anisogammaridae" genus="Eogammarus" kingdom="Animalia" order="Amphipoda" pageId="26" pageNumber="1107" phylum="Arthropoda" rank="species" species="barbatus">
<emphasis id="05A97119B2085722FC6C805AFBEAAFAC" box="[1017,1149,1402,1426]" italics="true" pageId="26" pageNumber="1107">E. barbatus</emphasis>
</taxonomicName>
in parentheses): (1) the longest seta on the posterior margin of the basis in male pereopod 6 is shorter than half of the ischium width (longer); (2) robust setae are present on the ventral margins of epimera 2 and 3 (lacking); and (3) the telson is shorter than wide (longer or equal) (see Table I).
</paragraph>
<paragraph id="3762AD0BB2085722FF1F836CFE9CAC5A" blockId="26.[138,267,1612,1636]" box="[138,267,1612,1636]" pageId="26" pageNumber="1107">
<emphasis id="05A97119B2085722FF1F836CFE9CAC5A" box="[138,267,1612,1636]" italics="true" pageId="26" pageNumber="1107">Distribution</emphasis>
</paragraph>
<paragraph id="3762AD0BB2085723FF1F835DFF45AA9E" blockId="26.[138,1155,1661,1685]" lastBlockId="27.[125,210,136,160]" lastPageId="27" lastPageNumber="1108" pageId="26" pageNumber="1107">
The new species was found in the Masuhoro and Atsuta Rivers in northern 
<collectingRegion id="F51963E9B2085722FB9D835DFBE9ACAB" box="[1032,1150,1661,1685]" country="Japan" name="Hokkaido" pageId="26" pageNumber="1107">Hokkaido</collectingRegion>
. 
<emphasis id="05A97119B2095723FFE885A8FF45AA9E" box="[125,210,136,160]" italics="true" pageId="27" pageNumber="1108">Habitat</emphasis>
</paragraph>
<paragraph id="3762AD0BB2095723FFE88599FEE5AAEF" blockId="27.[125,370,185,209]" box="[125,370,185,209]" pageId="27" pageNumber="1108">Rivers, river mouths.</paragraph>
</subSubSection>
</treatment>
</document>