484 lines
77 KiB
XML
484 lines
77 KiB
XML
<document id="82E304119F8C392461707385ADA75F73" ID-DOI="10.11646/zootaxa.3861.2.2" ID-GBIF-Dataset="782d9807-4fb4-4896-88d8-7db185edd5f0" ID-ISSN="1175-5326" ID-Zenodo-Dep="227477" ID-ZooBank="C908CDD0-B23C-4A12-B2DB-EEABE09AF67D" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460909458782" checkinUser="plazi" docAuthor="Sinev, Artem Y." docDate="2014" docId="170787954F4BBB17FF4F3DEDFE77C159" docLanguage="en" docName="zt03861p144.pdf" docOrigin="Zootaxa 3861 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Chydorus idrisi Sinev, 2014, sp. nov." docType="treatment" docVersion="10" lastPageNumber="136" masterDocId="EB3EFFED4F49BB1EFFD83F62FF85C261" masterDocTitle="A new and a rare species of Chydorus Leach, 1816 (Branchiopoda: Cladocera: Anomopoda) from Cat Tien National Park, Vietnam" masterLastPageNumber="144" masterPageNumber="127" pageNumber="129" updateTime="1698361123501" updateUser="plazi">
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<mods:title id="592ABE45B6ABADD3CF78B14C3E1002C1">A new and a rare species of Chydorus Leach, 1816 (Branchiopoda: Cladocera: Anomopoda) from Cat Tien National Park, Vietnam</mods:title>
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<mods:name id="A1E46716EEE26C817977B4490CF37EED" type="personal">
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<mods:role id="3E1C1EA7388C0A0CB95F0731EB111E20">
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<mods:roleTerm id="BFD54F9362850AAE6D3F18B9B4B5545B">Author</mods:roleTerm>
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<mods:namePart id="5B7AB85CAF50A317B4FF265D1758B475">Sinev, Artem Y.</mods:namePart>
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<mods:typeOfResource id="4E4C94EA9F8F9338571AD83D95DFFF76">text</mods:typeOfResource>
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<mods:title id="AF33D012A78EACD441567363F1C1A95E">Zootaxa</mods:title>
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<mods:part id="B5BD2F7EEB150C208661CB5D956EB282">
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<mods:date id="6A6816DD20B7D20AE241C4E69B3FE724">2014</mods:date>
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<mods:detail id="8EA309148D985BA4B1923BE0E308049D" type="volume">
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<mods:number id="1409F6841D659513B6B28D0B45A469A1">3861</mods:number>
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<mods:detail id="2605757368CA06AB0AD876D40696D138" type="issue">
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<mods:number id="FDAD9F39632BE0A9ADD632A9A2F3D710">2</mods:number>
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<mods:identifier id="C95A17DAD94CC54CEA023810E4D5E237" type="DOI">10.11646/zootaxa.3861.2.2</mods:identifier>
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<treatment id="170787954F4BBB17FF4F3DEDFE77C159" ID-DOI="http://doi.org/10.5281/zenodo.5675251" ID-GBIF-Taxon="119588305" ID-Zenodo-Dep="5675251" LSID="urn:lsid:plazi:treatment:170787954F4BBB17FF4F3DEDFE77C159" httpUri="http://treatment.plazi.org/id/170787954F4BBB17FF4F3DEDFE77C159" lastPageId="9" lastPageNumber="136" pageId="2" pageNumber="129">
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<subSubSection id="D7B465084F4BBB1CFF4F3DEDFB3FC173" pageId="2" pageNumber="129" type="nomenclature">
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<paragraph id="9F1136834F4BBB1CFF4F3DEDFE2CC0C9" blockId="2.[151,425,655,717]" box="[151,425,655,680]" pageId="2" pageNumber="129">
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<heading id="C45981EF4F4BBB1CFF4F3DEDFE2CC0C9" bold="true" box="[151,425,655,680]" fontSize="10" level="2" pageId="2" pageNumber="129" reason="2">
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<emphasis id="ADDAEA914F4BBB1CFF4F3DEDFE2CC0C9" bold="true" box="[151,425,655,680]" pageId="2" pageNumber="129">
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<taxonomicName id="58AE4D004F4BBB1CFF4F3DEDFECCC0C9" box="[151,329,655,680]" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="2" pageNumber="129" phylum="Arthropoda" rank="species" species="idrisi" status="sp. nov.">
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<emphasis id="ADDAEA914F4BBB1CFF4F3DEDFECCC0C9" bold="true" box="[151,329,655,680]" italics="true" pageId="2" pageNumber="129">Chydorus idrisi</emphasis>
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</taxonomicName>
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||
<taxonomicNameLabel id="B6E957EA4F4BBB1CFE883DEDFE2CC0C9" box="[336,425,655,680]" pageId="2" pageNumber="129" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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||
</heading>
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||
</paragraph>
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||
<paragraph id="9F1136834F4BBB1CFF4F3DD6FE8EC0AD" blockId="2.[151,425,655,717]" box="[151,267,692,717]" pageId="2" pageNumber="129">
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(
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<figureCitation id="07952A064F4BBB1CFF473DD6FE87C0AD" box="[159,258,692,717]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStart-3="FIGURE 4" captionStartId-0="3.[151,250,1610,1632]" captionStartId-1="4.[151,250,1886,1908]" captionStartId-2="5.[151,250,1833,1855]" captionStartId-3="6.[151,250,1749,1771]" captionTargetBox-0="[151,1423,195,1577]" captionTargetBox-1="[151,1435,409,1864]" captionTargetBox-2="[161,1435,206,1804]" captionTargetBox-3="[168,1434,181,1712]" captionTargetId-0="figure@3.[151,1436,193,1588]" captionTargetId-1="figure@4.[151,1435,409,1864]" captionTargetId-2="figure@5.[150,1436,193,1812]" captionTargetId-3="figure@6.[150,1436,175,1728]" captionTargetPageId-0="3" captionTargetPageId-1="4" captionTargetPageId-2="5" captionTargetPageId-3="6" captionText-0="FIGURE 1. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – B, outlines of juvenile females of instar I and II. C – E, parthenogenetic female in lateral, dorsal and frontal view. F – G, ephippial female in lateral and dorsal view. H, adult male." captionText-1="FIGURE 2. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – J, parthenogenetic female. A – B, specimens in lateral view; C – D, specimens in anterior and posterior view. E, rostrum. F, head pores, anterior pore up, lateral pores indicated by arrows. G, postabdomen. H, marginal denticles of postabdomen. I, postabdominal claw. J, antenna. K – L, ephippial female in lateral and anterodorsal view." captionText-2="FIGURE 3. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – N, parthenogentic female. A – B, ventral margin of valves and setae of its anterior portion. C, sculpture of central part of valve. D, undeformed head shield in dosal view. E – F, rostrum. G, tip of rostrum. H, head pores. I – K, labrum. L – M, postabdomen. N, antenna. O, head shield of ephippial female. P – R, adult male: P – Q, head shield an its rostrum. R, postabdomen." captionText-3="FIGURE 4. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – K, parthenogenetic female. A, antennule. B – C, limb I and its IDL and ODL. D – E, limb II and its exopodite. F, exopodite of limb III. G – H, inner portion of limb III. I, exopodite of limb IV. J, inner portion of limb IV. K, limb V. L – M, adult male. L, antennule, M, limb I." httpUri-0="https://zenodo.org/record/227478/files/figure.png" httpUri-1="https://zenodo.org/record/227479/files/figure.png" httpUri-2="https://zenodo.org/record/227480/files/figure.png" httpUri-3="https://zenodo.org/record/227481/files/figure.png" pageId="2" pageNumber="129">Figs 1–4</figureCitation>
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)
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</paragraph>
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<paragraph id="9F1136834F4BBB1CFF4F3D9EFB3FC173" blockId="2.[151,1210,764,786]" box="[151,1210,764,786]" pageId="2" pageNumber="129">
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<bibRefCitation id="FB3F4B724F4BBB1CFF4F3D9EFE0DC173" author="Idris" box="[151,392,764,786]" pageId="2" pageNumber="129" refString="Idris, B. A. G. & Fernando, C. H. (1981) Cladocera of Malaysia and Singapore with new records, redescriptions and remarks on some species. Hydrobiologia, 77, 233 - 256. http: // dx. doi. org / 10.1007 / bf 00019671" type="journal article" year="1981">Idris & Fernando, 1981</bibRefCitation>
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: 242–243, fig. 38–42 (
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<taxonomicName id="58AE4D004F4BBB1CFDB53D9EFD73C173" box="[621,758,764,786]" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="2" pageNumber="129" phylum="Arthropoda" rank="species" species="pubescens">
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cf.
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<emphasis id="ADDAEA914F4BBB1CFD563D9EFD73C173" box="[654,758,764,786]" italics="true" pageId="2" pageNumber="129">pubescens</emphasis>
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</taxonomicName>
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);
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<bibRefCitation id="FB3F4B724F4BBB1CFCD43D9EFCF8C173" author="Idris" box="[780,893,764,786]" pageId="2" pageNumber="129" refString="Idris, B. A. G. (1983) Freshwater Zooplankton of Malaysia (Crustacea: Cladocera). Penerbit Universiti Pertanian Malaysia. Printed by Syarikat Percetakan Selangor, Kuala Lumpur, 153 pp." type="book" year="1983">Idris, 1983</bibRefCitation>
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||
: 72–74, fig. 34 (
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<taxonomicName id="58AE4D004F4BBB1CFBFB3D9EFB29C173" box="[1059,1196,764,786]" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="2" pageNumber="129" phylum="Arthropoda" rank="species" species="pubescens">
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cf.
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<emphasis id="ADDAEA914F4BBB1CFB9C3D9EFB29C173" box="[1092,1196,764,786]" italics="true" pageId="2" pageNumber="129">pubescens</emphasis>
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</taxonomicName>
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).
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="D7B465084F4BBB1CFF4F3C5CFEB8C11A" pageId="2" pageNumber="129" type="etymology">
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||
<paragraph id="9F1136834F4BBB1CFF4F3C5CFEB8C11A" blockId="2.[151,1437,830,2007]" pageId="2" pageNumber="129">
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<emphasis id="ADDAEA914F4BBB1CFF4F3C5CFE9BC136" bold="true" box="[151,286,830,855]" pageId="2" pageNumber="129">Etymology.</emphasis>
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Species name honors Dr. B. A. G. Idris, Malaysian cladocerologist, who produced the first description of this species.
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</paragraph>
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</subSubSection>
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<subSubSection id="D7B465084F4BBB1CFF1F3CE4FB42C766" pageId="2" pageNumber="129" type="materials_examined">
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||
<paragraph id="9F1136834F4BBB1CFF1F3CE4FC76C1A2" blockId="2.[151,1437,830,2007]" pageId="2" pageNumber="129">
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<emphasis id="ADDAEA914F4BBB1CFF1F3CE4FEE4C1FE" bold="true" box="[199,353,902,927]" pageId="2" pageNumber="129">
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||
<typeStatus id="401588214F4BBB1CFF1F3CE4FE87C1FE" box="[199,258,902,927]" pageId="2" pageNumber="129">Type</typeStatus>
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locality
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</emphasis>
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||
:
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<collectingCountry id="E7B976134F4BBB1CFEA93CE4FE56C1FE" box="[369,467,902,927]" name="Vietnam" pageId="2" pageNumber="129">Vietnam</collectingCountry>
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, Dong Nai Province, Cat Tien National Park, small roadside forest pond, 11° 24.444’ N, 107° 24.748’ E, specimens collected during
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<date id="EB1010434F4BBB1CFD713CC8FCC6C1A2" box="[681,835,938,963]" pageId="2" pageNumber="129" value="2010-10">October 2010</date>
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by A. Y. Sinev.
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</paragraph>
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||
<paragraph id="9F1136834F4BBB1CFF1F3CACFB1DC186" blockId="2.[151,1437,830,2007]" box="[199,1176,974,999]" pageId="2" pageNumber="129">
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||
<emphasis id="ADDAEA914F4BBB1CFF1F3CACFE77C186" bold="true" box="[199,498,974,999]" pageId="2" pageNumber="129">
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<typeStatus id="401588214F4BBB1CFF1F3CACFE87C186" box="[199,258,974,999]" pageId="2" pageNumber="129">Type</typeStatus>
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material.
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<typeStatus id="401588214F4BBB1CFEA43CACFE68C186" box="[380,493,974,999]" pageId="2" pageNumber="129" type="holotype">Holotype</typeStatus>
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:
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</emphasis>
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parthenogenetic female from
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<typeStatus id="401588214F4BBB1CFC9B3CADFCF6C186" box="[835,883,975,999]" pageId="2" pageNumber="129">type</typeStatus>
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location,
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<collectionCode id="F9BFAE464F4BBB1CFC3B3CADFBB0C186" box="[995,1077,975,999]" pageId="2" pageNumber="129">ZMOU</collectionCode>
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Ml-127.
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</paragraph>
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<paragraph id="9F1136834F4BBB1CFF1F3C90FC8EC66A" blockId="2.[151,1437,830,2007]" box="[199,779,1010,1035]" pageId="2" pageNumber="129">
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<emphasis id="ADDAEA914F4BBB1CFF1F3C90FEB0C66A" bold="true" box="[199,309,1010,1035]" pageId="2" pageNumber="129">Allotype:</emphasis>
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male from
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<typeStatus id="401588214F4BBB1CFE6F3C91FE62C66A" box="[439,487,1011,1035]" pageId="2" pageNumber="129">type</typeStatus>
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location,
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<collectionCode id="F9BFAE464F4BBB1CFD8E3C91FD2CC66A" box="[598,681,1011,1035]" pageId="2" pageNumber="129">ZMOU</collectionCode>
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Ml-128.
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</paragraph>
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<paragraph id="9F1136834F4BBB1CFF1F3B74FB42C766" blockId="2.[151,1437,830,2007]" pageId="2" pageNumber="129">
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<emphasis id="ADDAEA914F4BBB1CFF1F3B74FECDC64E" bold="true" box="[199,328,1046,1071]" pageId="2" pageNumber="129">
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<typeStatus id="401588214F4BBB1CFF1F3B74FEC6C64E" box="[199,323,1046,1071]" pageId="2" pageNumber="129" type="paratype">Paratypes</typeStatus>
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:
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</emphasis>
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over 50 parthenogenetic and ephippial females from
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<typeStatus id="401588214F4BBB1CFC1D3B75FC70C64E" box="[965,1013,1047,1071]" pageId="2" pageNumber="129">type</typeStatus>
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||
location,
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<collectionCode id="F9BFAE464F4BBB1CFBB63B75FB44C64E" box="[1134,1217,1047,1071]" pageId="2" pageNumber="129">ZMOU</collectionCode>
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Ml-134. All other samples from
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<collectingCountry id="E7B976134F4BBB1CFEEF3B58FE1CC632" box="[311,409,1082,1107]" name="Vietnam" pageId="2" pageNumber="129">Vietnam</collectingCountry>
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, Dong Nai Province, Cat Tien National Park, collected by A. Y. Sinev: 12 parthenogenetic females from littoral zone of eastern part of Bau Sau Lake
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<geoCoordinate id="FA9A50444F4BBB1CFCF33B3DFC3DC616" box="[811,952,1118,1143]" direction="north" orientation="latitude" pageId="2" pageNumber="129" precision="9" value="11.459167">N11° 27.55’</geoCoordinate>
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,
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<geoCoordinate id="FA9A50444F4BBB1CFC1B3B3DFBD8C616" box="[963,1117,1118,1143]" direction="east" orientation="longitude" pageId="2" pageNumber="129" precision="9" value="107.34433">E 107°20.66’</geoCoordinate>
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; 22 parthenogenetic females from littoral zone of Bau Chim lake,
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<geoCoordinate id="FA9A50444F4BBB1CFD803BE1FC86C6FA" box="[600,771,1155,1179]" direction="north" orientation="latitude" pageId="2" pageNumber="129" precision="1" value="11.480483">N 11° 28.829’</geoCoordinate>
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,
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<geoCoordinate id="FA9A50444F4BBB1CFCCB3BE1FC4EC6FA" box="[787,971,1154,1179]" direction="east" orientation="longitude" pageId="2" pageNumber="129" precision="1" value="107.3768">E 107° 22.608’</geoCoordinate>
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; over 50 parthenogenetic and ephippial females,
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<specimenCount id="89A8FD0A4F4BBB1CFF253BC5FEC9C6DE" box="[253,332,1190,1215]" pageId="2" pageNumber="129" type="adult">2 adult</specimenCount>
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males from small roadside forest pond,
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<geoCoordinate id="FA9A50444F4BBB1CFCC23BC5FC3AC6DE" box="[794,959,1190,1215]" direction="north" orientation="latitude" pageId="2" pageNumber="129" precision="1" value="11.445917">N 11° 26.755’</geoCoordinate>
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||
,
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||
<geoCoordinate id="FA9A50444F4BBB1CFC143BC5FBF8C6DE" box="[972,1149,1191,1215]" direction="east" orientation="longitude" pageId="2" pageNumber="129" precision="1" value="107.38633">E 107° 23.180’</geoCoordinate>
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; over 30 parthenogenetic females from roadside pond in a former sand quarry,
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<geoCoordinate id="FA9A50444F4BBB1CFCD53BA9FC33C682" box="[781,950,1227,1251]" direction="north" orientation="latitude" pageId="2" pageNumber="129" precision="1" value="11.40705">N 11° 24.423’</geoCoordinate>
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||
,
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||
<geoCoordinate id="FA9A50444F4BBB1CFC1D3BA9FBFDC682" box="[965,1144,1227,1251]" direction="east" orientation="longitude" pageId="2" pageNumber="129" precision="1" value="107.41317">E 107° 24.790'</geoCoordinate>
|
||
; over 50 parthenogenetic females, 3 ephippial females from small roadside pool in forest,
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<geoCoordinate id="FA9A50444F4BBB1CFCB13B8DFB8CC766" box="[873,1033,1262,1287]" direction="north" orientation="latitude" pageId="2" pageNumber="129" precision="1" value="11.438717">N 11° 26.323’</geoCoordinate>
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||
,
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<geoCoordinate id="FA9A50444F4BBB1CFBCD3B8DFB46C766" box="[1045,1219,1262,1287]" direction="east" orientation="longitude" pageId="2" pageNumber="129" precision="1" value="107.42287">E 107° 25.372’</geoCoordinate>
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.
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||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D7B465084F4BBB17FF1F3A70FC1AC079" lastPageId="9" lastPageNumber="136" pageId="2" pageNumber="129" type="description">
|
||
<paragraph id="9F1136834F4BBB1CFF1F3A70FEF2C7F6" blockId="2.[151,1437,830,2007]" pageId="2" pageNumber="129">
|
||
<emphasis id="ADDAEA914F4BBB1CFF1F3A70FDFCC74A" bold="true" box="[199,633,1298,1323]" pageId="2" pageNumber="129">Description. Parthenogenetic female</emphasis>
|
||
.
|
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<emphasis id="ADDAEA914F4BBB1CFD503A70FD61C74A" box="[648,740,1298,1323]" italics="true" pageId="2" pageNumber="129">General</emphasis>
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. Body of preserved specimens from weakly yellow-brownish to colorless, relatively opaque. In lateral view body regularly round in both juveniles (
|
||
<figureCitation id="07952A064F4BBB1CFBB43A54FB2FC72E" box="[1132,1194,1334,1359]" captionStart="FIGURE 1" captionStartId="3.[151,250,1610,1632]" captionTargetBox="[151,1423,195,1577]" captionTargetId="figure@3.[151,1436,193,1588]" captionTargetPageId="3" captionText="FIGURE 1. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – B, outlines of juvenile females of instar I and II. C – E, parthenogenetic female in lateral, dorsal and frontal view. F – G, ephippial female in lateral and dorsal view. H, adult male." httpUri="https://zenodo.org/record/227478/files/figure.png" pageId="2" pageNumber="129">Fig. 1</figureCitation>
|
||
A–B) and adult (
|
||
<figureCitation id="07952A064F4BBB1CFAB73A54FF27C712" captionStart="FIGURE 1" captionStartId="3.[151,250,1610,1632]" captionTargetBox="[151,1423,195,1577]" captionTargetId="figure@3.[151,1436,193,1588]" captionTargetPageId="3" captionText="FIGURE 1. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – B, outlines of juvenile females of instar I and II. C – E, parthenogenetic female in lateral, dorsal and frontal view. F – G, ephippial female in lateral and dorsal view. H, adult male." httpUri="https://zenodo.org/record/227478/files/figure.png" pageId="2" pageNumber="129">Fig. 1</figureCitation>
|
||
C, 2A–B); height/length ratio about 0.9, maximum height at midline. Body only weakly laterally compressed (
|
||
<figureCitation id="07952A064F4BBB1CFF473A1CFF58C7F6" box="[159,221,1406,1431]" captionStart="FIGURE 1" captionStartId="3.[151,250,1610,1632]" captionTargetBox="[151,1423,195,1577]" captionTargetId="figure@3.[151,1436,193,1588]" captionTargetPageId="3" captionText="FIGURE 1. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – B, outlines of juvenile females of instar I and II. C – E, parthenogenetic female in lateral, dorsal and frontal view. F – G, ephippial female in lateral and dorsal view. H, adult male." httpUri="https://zenodo.org/record/227478/files/figure.png" pageId="2" pageNumber="129">Fig. 1</figureCitation>
|
||
D–E, 2C–D).
|
||
</paragraph>
|
||
<paragraph id="9F1136834F4BBB1CFF1F3AC0FC61C40E" blockId="2.[151,1437,830,2007]" pageId="2" pageNumber="129">
|
||
<emphasis id="ADDAEA914F4BBB1CFF1F3AC0FE8AC7DA" box="[199,271,1442,1467]" italics="true" pageId="2" pageNumber="129">Valves</emphasis>
|
||
. Anterior corner broadly rounded, with a submarginal flange at inner side. Ventral margin of valves (
|
||
<figureCitation id="07952A064F4BBB1CFF473AA4FF65C7BE" box="[159,224,1478,1503]" captionStart="FIGURE 3" captionStartId="5.[151,250,1833,1855]" captionTargetBox="[161,1435,206,1804]" captionTargetId="figure@5.[150,1436,193,1812]" captionTargetPageId="5" captionText="FIGURE 3. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – N, parthenogentic female. A – B, ventral margin of valves and setae of its anterior portion. C, sculpture of central part of valve. D, undeformed head shield in dosal view. E – F, rostrum. G, tip of rostrum. H, head pores. I – K, labrum. L – M, postabdomen. N, antenna. O, head shield of ephippial female. P – R, adult male: P – Q, head shield an its rostrum. R, postabdomen." httpUri="https://zenodo.org/record/227480/files/figure.png" pageId="2" pageNumber="129">Fig. 3</figureCitation>
|
||
A) with about 15 long setae in anterior portion and with about 30 setules in posterior portion on inner side of valve; second quarter of ventral margin without setae. In anterior group, setae thin, increasing in length posteriorly without any setules. In posterior group, setules thick, armed with long setules (
|
||
<figureCitation id="07952A064F4BBB1CFBC9396CFBD1C446" box="[1041,1108,1550,1575]" captionStart="FIGURE 3" captionStartId="5.[151,250,1833,1855]" captionTargetBox="[161,1435,206,1804]" captionTargetId="figure@5.[150,1436,193,1812]" captionTargetPageId="5" captionText="FIGURE 3. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – N, parthenogentic female. A – B, ventral margin of valves and setae of its anterior portion. C, sculpture of central part of valve. D, undeformed head shield in dosal view. E – F, rostrum. G, tip of rostrum. H, head pores. I – K, labrum. L – M, postabdomen. N, antenna. O, head shield of ephippial female. P – R, adult male: P – Q, head shield an its rostrum. R, postabdomen." httpUri="https://zenodo.org/record/227480/files/figure.png" pageId="2" pageNumber="129">Fig. 3</figureCitation>
|
||
B), maximum length of setae at the middle of the group. Postero-ventral corner without denticles. Polygonal sculpture, margins of polygons wavy on most surface of valves (
|
||
<figureCitation id="07952A064F4BBB1CFDD03934FDCCC40E" box="[520,585,1622,1647]" captionStart="FIGURE 3" captionStartId="5.[151,250,1833,1855]" captionTargetBox="[161,1435,206,1804]" captionTargetId="figure@5.[150,1436,193,1812]" captionTargetPageId="5" captionText="FIGURE 3. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – N, parthenogentic female. A – B, ventral margin of valves and setae of its anterior portion. C, sculpture of central part of valve. D, undeformed head shield in dosal view. E – F, rostrum. G, tip of rostrum. H, head pores. I – K, labrum. L – M, postabdomen. N, antenna. O, head shield of ephippial female. P – R, adult male: P – Q, head shield an its rostrum. R, postabdomen." httpUri="https://zenodo.org/record/227480/files/figure.png" pageId="2" pageNumber="129">Fig. 3</figureCitation>
|
||
C) but straight along ventral margin.
|
||
</paragraph>
|
||
<paragraph id="9F1136834F4BBB1CFF0C3918FD21C50B" blockId="2.[151,1437,830,2007]" pageId="2" pageNumber="129">
|
||
<emphasis id="ADDAEA914F4BBB1CFF0C3918FE94C4F2" box="[212,273,1658,1683]" italics="true" pageId="2" pageNumber="129">Head</emphasis>
|
||
with short rostrum, protruding downward and posteriorly. Length of rostrum about 1.5 length of antennule. Ocellus 2–3 times smaller than eye. Head shield large, with maximum width at the middle of posterior portion; its posteriormost portion wide oval (
|
||
<figureCitation id="07952A064F4BBB1CFD4039A0FD58C4BA" box="[664,733,1730,1755]" captionStart="FIGURE 3" captionStartId="5.[151,250,1833,1855]" captionTargetBox="[161,1435,206,1804]" captionTargetId="figure@5.[150,1436,193,1812]" captionTargetPageId="5" captionText="FIGURE 3. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – N, parthenogentic female. A – B, ventral margin of valves and setae of its anterior portion. C, sculpture of central part of valve. D, undeformed head shield in dosal view. E – F, rostrum. G, tip of rostrum. H, head pores. I – K, labrum. L – M, postabdomen. N, antenna. O, head shield of ephippial female. P – R, adult male: P – Q, head shield an its rostrum. R, postabdomen." httpUri="https://zenodo.org/record/227480/files/figure.png" pageId="2" pageNumber="129">Fig. 3</figureCitation>
|
||
D). Rostrum (
|
||
<figureCitation id="07952A064F4BBB1CFCA439A0FC3BC4BA" box="[892,958,1730,1755]" captionStart="FIGURE 3" captionStartId="5.[151,250,1833,1855]" captionTargetBox="[161,1435,206,1804]" captionTargetId="figure@5.[150,1436,193,1812]" captionTargetPageId="5" captionText="FIGURE 3. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – N, parthenogentic female. A – B, ventral margin of valves and setae of its anterior portion. C, sculpture of central part of valve. D, undeformed head shield in dosal view. E – F, rostrum. G, tip of rostrum. H, head pores. I – K, labrum. L – M, postabdomen. N, antenna. O, head shield of ephippial female. P – R, adult male: P – Q, head shield an its rostrum. R, postabdomen." httpUri="https://zenodo.org/record/227480/files/figure.png" pageId="2" pageNumber="129">Fig. 3</figureCitation>
|
||
E–F) triangular in frontal view, apex with two small asymmetric spines at the end (
|
||
<figureCitation id="07952A064F4BBB1CFD5A3984FD4EC49E" box="[642,715,1766,1791]" captionStart="FIGURE 2" captionStartId="4.[151,250,1886,1908]" captionTargetBox="[151,1435,409,1864]" captionTargetId="figure@4.[151,1435,409,1864]" captionTargetPageId="4" captionText="FIGURE 2. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – J, parthenogenetic female. A – B, specimens in lateral view; C – D, specimens in anterior and posterior view. E, rostrum. F, head pores, anterior pore up, lateral pores indicated by arrows. G, postabdomen. H, marginal denticles of postabdomen. I, postabdominal claw. J, antenna. K – L, ephippial female in lateral and anterodorsal view." httpUri="https://zenodo.org/record/227479/files/figure.png" pageId="2" pageNumber="129">Fig. 2</figureCitation>
|
||
E, 3G); under optic microscope tips of spines usually appear rounded. Head shield sculpture has polygons with wavy margins, similar to that of valves. Two major head pores (
|
||
<figureCitation id="07952A064F4BBB1CFF47384CFF61C526" box="[159,228,1838,1863]" captionStart="FIGURE 2" captionStartId="4.[151,250,1886,1908]" captionTargetBox="[151,1435,409,1864]" captionTargetId="figure@4.[151,1435,409,1864]" captionTargetPageId="4" captionText="FIGURE 2. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – J, parthenogenetic female. A – B, specimens in lateral view; C – D, specimens in anterior and posterior view. E, rostrum. F, head pores, anterior pore up, lateral pores indicated by arrows. G, postabdomen. H, marginal denticles of postabdomen. I, postabdominal claw. J, antenna. K – L, ephippial female in lateral and anterodorsal view." httpUri="https://zenodo.org/record/227479/files/figure.png" pageId="2" pageNumber="129">Fig. 2</figureCitation>
|
||
E, 3H), PP = 1.2 IP. Lateral head pores minute, normally located asymmetrically, close to midline of head shield, little closer to anterior major head pore.
|
||
</paragraph>
|
||
<paragraph id="9F1136834F4BBB1CFF1F3814FB73C5B7" blockId="2.[151,1437,830,2007]" pageId="2" pageNumber="129">
|
||
<emphasis id="ADDAEA914F4BBB1CFF1F3814FEA5C5EE" box="[199,288,1910,1935]" italics="true" pageId="2" pageNumber="129">Labrum</emphasis>
|
||
(
|
||
<figureCitation id="07952A064F4BBB1CFEEA3814FEF3C5EE" box="[306,374,1910,1935]" captionStart="FIGURE 3" captionStartId="5.[151,250,1833,1855]" captionTargetBox="[161,1435,206,1804]" captionTargetId="figure@5.[150,1436,193,1812]" captionTargetPageId="5" captionText="FIGURE 3. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – N, parthenogentic female. A – B, ventral margin of valves and setae of its anterior portion. C, sculpture of central part of valve. D, undeformed head shield in dosal view. E – F, rostrum. G, tip of rostrum. H, head pores. I – K, labrum. L – M, postabdomen. N, antenna. O, head shield of ephippial female. P – R, adult male: P – Q, head shield an its rostrum. R, postabdomen." httpUri="https://zenodo.org/record/227480/files/figure.png" pageId="2" pageNumber="129">
|
||
Fig.
|
||
<date id="EB1010434F4BBB1CFEB23815FEF3C5EE" box="[362,374,1911,1935]" pageId="2" pageNumber="129">3</date>
|
||
</figureCitation>
|
||
I–K) with fleshy main body, small distal labral plate and a rather small medial labral keel, projecting to the level of rostrum tip. Labral keel of moderate width, with rounded apex. Anterior margin of keel convex, in most specimens with distinctive depression near the tip; posterior margin almost convex.
|
||
</paragraph>
|
||
<caption id="CBD1660B4F4ABB1DFF4F3928FD64C4FC" httpUri="https://zenodo.org/record/227478/files/figure.png" pageId="3" pageNumber="130" targetBox="[151,1423,195,1577]" targetPageId="3">
|
||
<paragraph id="9F1136834F4ABB1DFF4F3928FD64C4FC" blockId="3.[151,1437,1610,1693]" pageId="3" pageNumber="130">
|
||
<emphasis id="ADDAEA914F4ABB1DFF4F3928FE8BC43E" bold="true" box="[151,270,1610,1632]" pageId="3" pageNumber="130">FIGURE 1</emphasis>
|
||
.
|
||
<taxonomicName id="58AE4D004F4ABB1DFEC33928FE3CC401" box="[283,441,1610,1632]" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="3" pageNumber="130" phylum="Arthropoda" rank="species" species="idrisi" status="sp. nov.">
|
||
<emphasis id="ADDAEA914F4ABB1DFEC33928FE3CC401" box="[283,441,1610,1632]" italics="true" pageId="3" pageNumber="130">Chydorus idrisi</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="B6E957EA4F4ABB1DFE193928FD97C401" box="[449,530,1610,1632]" pageId="3" pageNumber="130" rank="species">
|
||
<emphasis id="ADDAEA914F4ABB1DFE193928FD88C43E" bold="true" box="[449,525,1610,1631]" pageId="3" pageNumber="130">sp. nov</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A–B, outlines of juvenile females of instar I and II. C–E, parthenogenetic female in lateral, dorsal and frontal view. F–G, ephippial female in lateral and dorsal view. H, adult male.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="9F1136834F4ABB1DFF1F39A6FD13C4BC" blockId="3.[151,1436,1732,2009]" box="[199,662,1732,1757]" pageId="3" pageNumber="130">
|
||
<emphasis id="ADDAEA914F4ABB1DFF1F39A6FE9DC4BC" box="[199,280,1732,1757]" italics="true" pageId="3" pageNumber="130">Thorax</emphasis>
|
||
three times longer than abdomen.
|
||
</paragraph>
|
||
<paragraph id="9F1136834F4ABB1AFF1F398AFC3DC37C" blockId="3.[151,1436,1732,2009]" lastBlockId="4.[151,1436,151,357]" lastPageId="4" lastPageNumber="131" pageId="3" pageNumber="130">
|
||
<emphasis id="ADDAEA914F4ABB1DFF1F398AFEE5C560" box="[199,352,1768,1793]" italics="true" pageId="3" pageNumber="130">Postabdomen</emphasis>
|
||
(
|
||
<figureCitation id="07952A064F4ABB1DFEB7398AFE34C560" box="[367,433,1768,1793]" captionStart="FIGURE 2" captionStartId="4.[151,250,1886,1908]" captionTargetBox="[151,1435,409,1864]" captionTargetId="figure@4.[151,1435,409,1864]" captionTargetPageId="4" captionText="FIGURE 2. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – J, parthenogenetic female. A – B, specimens in lateral view; C – D, specimens in anterior and posterior view. E, rostrum. F, head pores, anterior pore up, lateral pores indicated by arrows. G, postabdomen. H, marginal denticles of postabdomen. I, postabdominal claw. J, antenna. K – L, ephippial female in lateral and anterodorsal view." httpUri="https://zenodo.org/record/227479/files/figure.png" pageId="3" pageNumber="130">Fig. 2</figureCitation>
|
||
G, 3L–M) short, rather narrow, with parallel margins at anal region, narrowing distally in postanal portion. Length about 3.5 heights. Ventral margin weakly concave. Basis of claws bordered from distal margin by clear incision. Distal margin very short. Distal angle broadly rounded. Dorsal margin straight in postanal portion and weakly concave in the anal one, with distal part about 2 times longer than the preanal portion. Postanal portion about 2 times shorter than anal portion. Preanal angle well expressed, prominent, postanal angle weakly defined. Preanal margin weakly concave. Dorsal margin (
|
||
<figureCitation id="07952A064F4ABB1DFCFF38FEFCEEC5D4" box="[807,875,1948,1973]" captionStart="FIGURE 2" captionStartId="4.[151,250,1886,1908]" captionTargetBox="[151,1435,409,1864]" captionTargetId="figure@4.[151,1435,409,1864]" captionTargetPageId="4" captionText="FIGURE 2. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – J, parthenogenetic female. A – B, specimens in lateral view; C – D, specimens in anterior and posterior view. E, rostrum. F, head pores, anterior pore up, lateral pores indicated by arrows. G, postabdomen. H, marginal denticles of postabdomen. I, postabdominal claw. J, antenna. K – L, ephippial female in lateral and anterodorsal view." httpUri="https://zenodo.org/record/227479/files/figure.png" pageId="3" pageNumber="130">Fig. 2</figureCitation>
|
||
H) with about 10 narrow sharp denticles and two broad groups of short setules in anal portion. Length of longest denticles little more than width of base of postabdominal claw. About 10 broad lateral fascicles of very short setules; in anal portion fascicles bigger, horseshoe-shaped. Postabdominal claw (
|
||
<figureCitation id="07952A064F4DBB1AFDA43FDEFD4FC2B5" box="[636,714,188,213]" captionStart="FIGURE 2" captionStartId="4.[151,250,1886,1908]" captionTargetBox="[151,1435,409,1864]" captionTargetId="figure@4.[151,1435,409,1864]" captionTargetPageId="4" captionText="FIGURE 2. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – J, parthenogenetic female. A – B, specimens in lateral view; C – D, specimens in anterior and posterior view. E, rostrum. F, head pores, anterior pore up, lateral pores indicated by arrows. G, postabdomen. H, marginal denticles of postabdomen. I, postabdominal claw. J, antenna. K – L, ephippial female in lateral and anterodorsal view." httpUri="https://zenodo.org/record/227479/files/figure.png" pageId="4" pageNumber="131">
|
||
Fig.
|
||
<date id="EB1010434F4DBB1AFD633FDEFD4FC2B5" box="[699,714,188,212]" pageId="4" pageNumber="131">2</date>
|
||
</figureCitation>
|
||
I) slender, curved, slightly shorter than preanal portion of postabdomen, with two basal spines: distal spine 0.2 length of the claw and proximal spine two times shorter. A pecten of spinules on dorsal side of claw and a longer spinule on its tip.
|
||
</paragraph>
|
||
<paragraph id="9F1136834F4DBB1AFF1F3E45FAEBC304" blockId="4.[151,1436,151,357]" pageId="4" pageNumber="131">
|
||
<emphasis id="ADDAEA914F4DBB1AFF1F3E45FEBCC321" box="[199,313,295,320]" italics="true" pageId="4" pageNumber="131">Antennule</emphasis>
|
||
(
|
||
<figureCitation id="07952A064F4DBB1AFE963E45FE13C321" box="[334,406,295,320]" captionStart="FIGURE 4" captionStartId="6.[151,250,1749,1771]" captionTargetBox="[168,1434,181,1712]" captionTargetId="figure@6.[150,1436,175,1728]" captionTargetPageId="6" captionText="FIGURE 4. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – K, parthenogenetic female. A, antennule. B – C, limb I and its IDL and ODL. D – E, limb II and its exopodite. F, exopodite of limb III. G – H, inner portion of limb III. I, exopodite of limb IV. J, inner portion of limb IV. K, limb V. L – M, adult male. L, antennule, M, limb I." httpUri="https://zenodo.org/record/227481/files/figure.png" pageId="4" pageNumber="131">Fig. 4</figureCitation>
|
||
A) of moderate size; length about 2 widths. Antennular seta thin, about 1/3 length of antennule, arising at 1/3 antennule length from the base. All aestetascs terminal, about 2/3 length of antennule.
|
||
</paragraph>
|
||
<caption id="CBD1660B4F4DBB1AFF4F383CFB8BC5B1" httpUri="https://zenodo.org/record/227479/files/figure.png" pageId="4" pageNumber="131" targetBox="[151,1435,409,1864]" targetPageId="4">
|
||
<paragraph id="9F1136834F4DBB1AFF4F383CFB8BC5B1" blockId="4.[151,1437,1886,2000]" pageId="4" pageNumber="131">
|
||
<emphasis id="ADDAEA914F4DBB1AFF4F383CFE8BC512" bold="true" box="[151,270,1886,1908]" pageId="4" pageNumber="131">FIGURE 2</emphasis>
|
||
.
|
||
<taxonomicName id="58AE4D004F4DBB1AFEC3383CFE3CC515" box="[283,441,1886,1908]" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="4" pageNumber="131" phylum="Arthropoda" rank="species" species="idrisi" status="sp. nov.">
|
||
<emphasis id="ADDAEA914F4DBB1AFEC3383CFE3CC515" box="[283,441,1886,1908]" italics="true" pageId="4" pageNumber="131">Chydorus idrisi</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="B6E957EA4F4DBB1AFE19383CFD97C515" box="[449,530,1886,1908]" pageId="4" pageNumber="131" rank="species">
|
||
<emphasis id="ADDAEA914F4DBB1AFE19383CFD88C512" bold="true" box="[449,525,1886,1907]" pageId="4" pageNumber="131">sp. nov</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A–J, parthenogenetic female. A–B, specimens in lateral view; C–D, specimens in anterior and posterior view. E, rostrum. F, head pores, anterior pore up, lateral pores indicated by arrows. G, postabdomen. H, marginal denticles of postabdomen. I, postabdominal claw. J, antenna. K–L, ephippial female in lateral and anterodorsal view.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="CBD1660B4F4CBB1BFF4F384BFEA0C5DB" httpUri="https://zenodo.org/record/227480/files/figure.png" pageId="5" pageNumber="132" targetBox="[161,1435,206,1804]" targetPageId="5">
|
||
<paragraph id="9F1136834F4CBB1BFF4F384BFEA0C5DB" blockId="5.[151,1437,1833,1978]" pageId="5" pageNumber="132">
|
||
<emphasis id="ADDAEA914F4CBB1BFF4F384BFE8BC55F" bold="true" box="[151,270,1833,1855]" pageId="5" pageNumber="132">FIGURE 3</emphasis>
|
||
.
|
||
<taxonomicName id="58AE4D004F4CBB1BFEC3384BFE3CC55E" box="[283,441,1833,1855]" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="132" phylum="Arthropoda" rank="species" species="idrisi" status="sp. nov.">
|
||
<emphasis id="ADDAEA914F4CBB1BFEC3384BFE3CC55E" box="[283,441,1833,1855]" italics="true" pageId="5" pageNumber="132">Chydorus idrisi</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="B6E957EA4F4CBB1BFE19384BFD97C55E" box="[449,530,1833,1855]" pageId="5" pageNumber="132" rank="species">
|
||
<emphasis id="ADDAEA914F4CBB1BFE19384BFD88C55F" bold="true" box="[449,525,1833,1854]" pageId="5" pageNumber="132">sp. nov</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A–N, parthenogentic female. A–B, ventral margin of valves and setae of its anterior portion. C, sculpture of central part of valve. D, undeformed head shield in dosal view. E–F, rostrum. G, tip of rostrum. H, head pores. I–K, labrum. L–M, postabdomen. N, antenna. O, head shield of ephippial female. P–R, adult male: P–Q, head shield an its rostrum. R, postabdomen.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="CBD1660B4F4FBB18FF4F39B7FEE9C529" httpUri="https://zenodo.org/record/227481/files/figure.png" pageId="6" pageNumber="133" targetBox="[168,1434,181,1712]" targetPageId="6">
|
||
<paragraph id="9F1136834F4FBB18FF4F39B7FEE9C529" blockId="6.[151,1437,1749,1864]" pageId="6" pageNumber="133">
|
||
<emphasis id="ADDAEA914F4FBB18FF4F39B7FE8BC48A" bold="true" box="[151,270,1749,1771]" pageId="6" pageNumber="133">FIGURE 4</emphasis>
|
||
.
|
||
<taxonomicName id="58AE4D004F4FBB18FEC339B7FE3CC48A" box="[283,441,1749,1771]" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="6" pageNumber="133" phylum="Arthropoda" rank="species" species="idrisi" status="sp. nov.">
|
||
<emphasis id="ADDAEA914F4FBB18FEC339B7FE3CC48A" box="[283,441,1749,1771]" italics="true" pageId="6" pageNumber="133">Chydorus idrisi</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="B6E957EA4F4FBB18FE1939B4FD97C48A" box="[449,530,1750,1771]" pageId="6" pageNumber="133" rank="species">
|
||
<emphasis id="ADDAEA914F4FBB18FE1939B4FD88C48A" bold="true" box="[449,525,1750,1771]" pageId="6" pageNumber="133">sp. nov</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A–K, parthenogenetic female. A, antennule. B–C, limb I and its IDL and ODL. D–E, limb II and its exopodite. F, exopodite of limb III. G–H, inner portion of limb III. I, exopodite of limb IV. J, inner portion of limb IV. K, limb V. L–M, adult male. L, antennule, M, limb I.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="9F1136834F4FBB18FF1F3812FA08C595" blockId="6.[151,1437,1903,2036]" pageId="6" pageNumber="133">
|
||
<emphasis id="ADDAEA914F4FBB18FF1F3812FEA1C5E6" box="[199,292,1904,1927]" italics="true" pageId="6" pageNumber="133">Antenna</emphasis>
|
||
relatively short (
|
||
<figureCitation id="07952A064F4FBB18FE2A380DFDBEC5E6" box="[498,571,1903,1928]" captionStart="FIGURE 2" captionStartId="4.[151,250,1886,1908]" captionTargetBox="[151,1435,409,1864]" captionTargetId="figure@4.[151,1435,409,1864]" captionTargetPageId="4" captionText="FIGURE 2. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – J, parthenogenetic female. A – B, specimens in lateral view; C – D, specimens in anterior and posterior view. E, rostrum. F, head pores, anterior pore up, lateral pores indicated by arrows. G, postabdomen. H, marginal denticles of postabdomen. I, postabdominal claw. J, antenna. K – L, ephippial female in lateral and anterodorsal view." httpUri="https://zenodo.org/record/227479/files/figure.png" pageId="6" pageNumber="133">Fig. 2</figureCitation>
|
||
J, 3N). Antennal formula: setae 0-0-3/1-1-3; spines 1-0-1/0-0-1. Branches relatively short; in both branches basal segment 1.5–2 times longer and thicker than two others. Basal segment of endopodite without seta. Seta arising from middle segment of endopodite of similar size with apical setae. Apical segments of both branches with two apical and one subapical setae of similar size. All antennal spines very short.
|
||
</paragraph>
|
||
<paragraph id="9F1136834F4EBB19FF1F3FF5FEE7C394" blockId="7.[151,1437,151,2013]" pageId="7" pageNumber="134">
|
||
<emphasis id="ADDAEA914F4EBB19FF1F3FF5FE96C2D1" box="[199,275,151,176]" italics="true" pageId="7" pageNumber="134">Limb I</emphasis>
|
||
of moderate size (
|
||
<figureCitation id="07952A064F4EBB19FE333FF5FDB4C2D1" box="[491,561,151,176]" captionStart="FIGURE 4" captionStartId="6.[151,250,1749,1771]" captionTargetBox="[168,1434,181,1712]" captionTargetId="figure@6.[150,1436,175,1728]" captionTargetPageId="6" captionText="FIGURE 4. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – K, parthenogenetic female. A, antennule. B – C, limb I and its IDL and ODL. D – E, limb II and its exopodite. F, exopodite of limb III. G – H, inner portion of limb III. I, exopodite of limb IV. J, inner portion of limb IV. K, limb V. L – M, adult male. L, antennule, M, limb I." httpUri="https://zenodo.org/record/227481/files/figure.png" pageId="7" pageNumber="134">Fig. 4</figureCitation>
|
||
B–C). Epipodite oval, with projection 1.5 times longer than exopodite itself. ODL with two setae, one of them very small. IDL with three setae and several clusters of setules. IDL seta 1 moderately thick, about 1/2 length of longest ODL seta, with hard setules in distal part; seta 2 thin, about about 3/4 length of longest ODL seta; seta 3 thick, strong, claw-like, little shorter than longest ODL seta, with hard setules in distal part. Base of IDL seta 3 two times wider than base of seta 1. Endite 3 with four setae subequal in length, inner seta (1) much thinner than outer setae (a–c). Endite 2 with two long distally setulated setae (e–f) of similar length; a shorter seta near their base (d) and a naked inner seta (2) on anterior face of limb. Endite 1 with three 2- segmented setae of similar size (g–i) setulated in distal part, a flat plumose seta (j) and a naked inner seta (3) on anterior face of limb. Six-seven rows of thin long setules on ventral face of limb. Two ejector hooks, one slightly shorter than other.
|
||
</paragraph>
|
||
<paragraph id="9F1136834F4EBB19FF1F3E9DFAAAC0E4" blockId="7.[151,1437,151,2013]" pageId="7" pageNumber="134">
|
||
<emphasis id="ADDAEA914F4EBB19FF1F3E9DFE9AC079" box="[199,287,511,536]" italics="true" pageId="7" pageNumber="134">Limb II</emphasis>
|
||
subtriangular (
|
||
<figureCitation id="07952A064F4EBB19FE0A3E9DFD9FC079" box="[466,538,511,536]" captionStart="FIGURE 4" captionStartId="6.[151,250,1749,1771]" captionTargetBox="[168,1434,181,1712]" captionTargetId="figure@6.[150,1436,175,1728]" captionTargetPageId="6" captionText="FIGURE 4. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – K, parthenogenetic female. A, antennule. B – C, limb I and its IDL and ODL. D – E, limb II and its exopodite. F, exopodite of limb III. G – H, inner portion of limb III. I, exopodite of limb IV. J, inner portion of limb IV. K, limb V. L – M, adult male. L, antennule, M, limb I." httpUri="https://zenodo.org/record/227481/files/figure.png" pageId="7" pageNumber="134">Fig. 4</figureCitation>
|
||
D–E). Exopodite elongated of irregular shape, with seta 2 times longer than exopodite itself. Eight scraping spines with fine denticles; three basalmost spines (6–8) subequal in length, others increasing in length distally. A small sensillum located between spines 3 and 4. Distal armature of gnathobase with four elements. Filter plate II with eight setae, the posteriormost member only slightly shorter than others.
|
||
</paragraph>
|
||
<paragraph id="9F1136834F4EBB19FF1F3DEDFE76C1A6" blockId="7.[151,1437,151,2013]" pageId="7" pageNumber="134">
|
||
<emphasis id="ADDAEA914F4EBB19FF1F3DEDFEADC0C9" box="[199,296,655,680]" italics="true" pageId="7" pageNumber="134">Limb III</emphasis>
|
||
(
|
||
<figureCitation id="07952A064F4EBB19FEE33DEDFE07C0C9" box="[315,386,655,680]" captionStart="FIGURE 4" captionStartId="6.[151,250,1749,1771]" captionTargetBox="[168,1434,181,1712]" captionTargetId="figure@6.[150,1436,175,1728]" captionTargetPageId="6" captionText="FIGURE 4. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – K, parthenogenetic female. A, antennule. B – C, limb I and its IDL and ODL. D – E, limb II and its exopodite. F, exopodite of limb III. G – H, inner portion of limb III. I, exopodite of limb IV. J, inner portion of limb IV. K, limb V. L – M, adult male. L, antennule, M, limb I." httpUri="https://zenodo.org/record/227481/files/figure.png" pageId="7" pageNumber="134">Fig. 4</figureCitation>
|
||
F–H). Epipodite oval, without finger-like projection. Exopodite subrectangular, with three lateral (1–3) and four terminal (4–7) setae. Seta 4 being longest; setae 1, 6 and 7 subequal in length, about 3/4 length of seta 4; seta 2 about 2/3 length of seta 4; setae 3 and 5 of about 1/3 length of seta 4. Setae 1–5 plumose; seta 6 with row of very long, thick setules in basal part; seta 7 naked. Distal endite with 2 scraping setae (1–2), slender, sharp, with small denticles in distal part; small sensilla located near base of seta 2. Basal endite with 6 plumose setae (a–f) increasing in size basally. Four pointed inner setae increasing in size basally; a small bottleshaped sensillum near the distalmost seta. Distal armature of gnathobase with four elements: the first one large, elongated, narrowing distally sensillum; second strongly geniculated seta; third and fourth-spines with fused bases. Filter plate III with eight setae.
|
||
</paragraph>
|
||
<paragraph id="9F1136834F4EBB19FF1F3CB6FB69C689" blockId="7.[151,1437,151,2013]" pageId="7" pageNumber="134">
|
||
<emphasis id="ADDAEA914F4EBB19FF1F3CB6FEADC18D" box="[199,296,980,1005]" italics="true" pageId="7" pageNumber="134">Limb IV</emphasis>
|
||
(
|
||
<figureCitation id="07952A064F4EBB19FEE63CB6FE0DC18D" box="[318,392,980,1005]" captionStart="FIGURE 4" captionStartId="6.[151,250,1749,1771]" captionTargetBox="[168,1434,181,1712]" captionTargetId="figure@6.[150,1436,175,1728]" captionTargetPageId="6" captionText="FIGURE 4. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – K, parthenogenetic female. A, antennule. B – C, limb I and its IDL and ODL. D – E, limb II and its exopodite. F, exopodite of limb III. G – H, inner portion of limb III. I, exopodite of limb IV. J, inner portion of limb IV. K, limb V. L – M, adult male. L, antennule, M, limb I." httpUri="https://zenodo.org/record/227481/files/figure.png" pageId="7" pageNumber="134">
|
||
Fig.
|
||
<date id="EB1010434F4EBB19FEA13CB6FE0DC18D" box="[377,392,980,1004]" pageId="7" pageNumber="134">4</date>
|
||
</figureCitation>
|
||
I–J). Pre-epipodite setulated; epipodite oval, with projection as long as epipodite itself. Exopodite rounded with seven setae; seta 1 being longest, length of setae decreases evenly from seta 1 to seta 4; seta 4 about 2/3 length of seta 1; seta 5 about 1/3 length of seta 1; seta 6 about 1/2 length of seta 1; seta 7 little shorter than seta 6. Setae 1–5 flat, plumose; setae 6–7 setulated unilaterally in basal part, setules of seta 7 shorter than setules of seta 6. Inner portion of limb IV with four setae. Scraping seta (1) slender, three flaming-torch setae (2–4) long and slender of similar size; seta 2 with numerous thin setules; setae 3–4 with about 10 thick setules each; small sensillae located near bases of setae 3 and 4. Four inner setae slightly increasing in size basally. Gnathobase with one 2–segmented setae, a small hillock distally, and a sensillum. Filter plate IV with six setae.
|
||
</paragraph>
|
||
<paragraph id="9F1136834F4EBB19FF1F3B96FE18C7A1" blockId="7.[151,1437,151,2013]" pageId="7" pageNumber="134">
|
||
<emphasis id="ADDAEA914F4EBB19FF1F3B96FE99C76D" box="[199,284,1268,1293]" italics="true" pageId="7" pageNumber="134">Limb V</emphasis>
|
||
(
|
||
<figureCitation id="07952A064F4EBB19FEF63B96FEF0C76D" box="[302,373,1268,1293]" captionStart="FIGURE 4" captionStartId="6.[151,250,1749,1771]" captionTargetBox="[168,1434,181,1712]" captionTargetId="figure@6.[150,1436,175,1728]" captionTargetPageId="6" captionText="FIGURE 4. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – K, parthenogenetic female. A, antennule. B – C, limb I and its IDL and ODL. D – E, limb II and its exopodite. F, exopodite of limb III. G – H, inner portion of limb III. I, exopodite of limb IV. J, inner portion of limb IV. K, limb V. L – M, adult male. L, antennule, M, limb I." httpUri="https://zenodo.org/record/227481/files/figure.png" pageId="7" pageNumber="134">Fig. 4</figureCitation>
|
||
K). Pre-epipodite setulated; epipodite oval, with short projection. Exopodite small, rounded, with four plumose setae, their length evenly decreasing basally. Two small hillocks with long setules located on basal side of exopodite near seta 4. Inner lobe long, narrow, with setulated inner margin. At inner face, two setae of similar length: outer seta densely setulated in distal part; inner one with long thin setules unilaterally in basal part and and thicker and longer setae in distal part. A small sensillum located between inner seta and filter plate. Filter plate V with four setae.
|
||
</paragraph>
|
||
<paragraph id="9F1136834F4EBB19FF1F3AAEFB9DC44C" blockId="7.[151,1437,151,2013]" pageId="7" pageNumber="134">
|
||
<emphasis id="ADDAEA914F4EBB19FF1F3AAEFE1CC784" bold="true" box="[199,409,1484,1509]" pageId="7" pageNumber="134">Ephippial female</emphasis>
|
||
. In lateral view, similar to parthenogenetic female (
|
||
<figureCitation id="07952A064F4EBB19FBD13AAEFBC8C785" box="[1033,1101,1484,1509]" captionStart="FIGURE 1" captionStartId="3.[151,250,1610,1632]" captionTargetBox="[151,1423,195,1577]" captionTargetId="figure@3.[151,1436,193,1588]" captionTargetPageId="3" captionText="FIGURE 1. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – B, outlines of juvenile females of instar I and II. C – E, parthenogenetic female in lateral, dorsal and frontal view. F – G, ephippial female in lateral and dorsal view. H, adult male." httpUri="https://zenodo.org/record/227478/files/figure.png" pageId="7" pageNumber="134">Fig. 1</figureCitation>
|
||
F, 2K). Body more strongly compressed laterally (
|
||
<figureCitation id="07952A064F4EBB19FE4F3A8DFE5CC469" box="[407,473,1519,1544]" captionStart="FIGURE 1" captionStartId="3.[151,250,1610,1632]" captionTargetBox="[151,1423,195,1577]" captionTargetId="figure@3.[151,1436,193,1588]" captionTargetPageId="3" captionText="FIGURE 1. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – B, outlines of juvenile females of instar I and II. C – E, parthenogenetic female in lateral, dorsal and frontal view. F – G, ephippial female in lateral and dorsal view. H, adult male." httpUri="https://zenodo.org/record/227478/files/figure.png" pageId="7" pageNumber="134">Fig. 1</figureCitation>
|
||
G–H, 2L), ephippum with weakly developed egg locules, yellow-brownish. Head shield (
|
||
<figureCitation id="07952A064F4EBB19FF313976FEAFC44D" box="[233,298,1556,1581]" captionStart="FIGURE 3" captionStartId="5.[151,250,1833,1855]" captionTargetBox="[161,1435,206,1804]" captionTargetId="figure@5.[150,1436,193,1812]" captionTargetPageId="5" captionText="FIGURE 3. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – N, parthenogentic female. A – B, ventral margin of valves and setae of its anterior portion. C, sculpture of central part of valve. D, undeformed head shield in dosal view. E – F, rostrum. G, tip of rostrum. H, head pores. I – K, labrum. L – M, postabdomen. N, antenna. O, head shield of ephippial female. P – R, adult male: P – Q, head shield an its rostrum. R, postabdomen." httpUri="https://zenodo.org/record/227480/files/figure.png" pageId="7" pageNumber="134">Fig. 3</figureCitation>
|
||
O) more narrow and more flattened than in pathenogenetic female.
|
||
</paragraph>
|
||
<paragraph id="9F1136834F4EBB19FF1F3955FBF1C4DC" blockId="7.[151,1437,151,2013]" pageId="7" pageNumber="134">
|
||
<emphasis id="ADDAEA914F4EBB19FF1F3955FE88C431" bold="true" box="[199,269,1591,1616]" pageId="7" pageNumber="134">Male:</emphasis>
|
||
In lateral view body oval (
|
||
<figureCitation id="07952A064F4EBB19FDE63955FDFAC431" box="[574,639,1591,1616]" captionStart="FIGURE 1" captionStartId="3.[151,250,1610,1632]" captionTargetBox="[151,1423,195,1577]" captionTargetId="figure@3.[151,1436,193,1588]" captionTargetPageId="3" captionText="FIGURE 1. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – B, outlines of juvenile females of instar I and II. C – E, parthenogenetic female in lateral, dorsal and frontal view. F – G, ephippial female in lateral and dorsal view. H, adult male." httpUri="https://zenodo.org/record/227478/files/figure.png" pageId="7" pageNumber="134">
|
||
Fig.
|
||
<date id="EB1010434F4EBB19FDAB395AFDFAC431" box="[627,639,1592,1616]" pageId="7" pageNumber="134">1</date>
|
||
</figureCitation>
|
||
I); height/length ratio about 0.8, maximum height before the middle of the body. Body moderately compressed laterally. Head with a short rostrum, protruding downward and posteriorly; length of rostrum exceed length of antennule. Ocellus 2–3 times smaller than eye. Rostrum (
|
||
<figureCitation id="07952A064F4EBB19FB72391DFB6EC4F9" box="[1194,1259,1663,1688]" captionStart="FIGURE 3" captionStartId="5.[151,250,1833,1855]" captionTargetBox="[161,1435,206,1804]" captionTargetId="figure@5.[150,1436,193,1812]" captionTargetPageId="5" captionText="FIGURE 3. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – N, parthenogentic female. A – B, ventral margin of valves and setae of its anterior portion. C, sculpture of central part of valve. D, undeformed head shield in dosal view. E – F, rostrum. G, tip of rostrum. H, head pores. I – K, labrum. L – M, postabdomen. N, antenna. O, head shield of ephippial female. P – R, adult male: P – Q, head shield an its rostrum. R, postabdomen." httpUri="https://zenodo.org/record/227480/files/figure.png" pageId="7" pageNumber="134">Fig. 3</figureCitation>
|
||
P–Q) triangular in frontal view, with broadly rounded apex with two small asymmetric spines at the end.
|
||
</paragraph>
|
||
<paragraph id="9F1136834F4EBB16FF1F39A5FEB1C2D1" blockId="7.[151,1437,151,2013]" lastBlockId="8.[151,1437,151,464]" lastPageId="8" lastPageNumber="135" pageId="7" pageNumber="134">
|
||
<emphasis id="ADDAEA914F4EBB19FF1F39A5FEDAC481" box="[199,351,1735,1760]" italics="true" pageId="7" pageNumber="134">Postabdomen</emphasis>
|
||
(
|
||
<figureCitation id="07952A064F4EBB19FEB639A5FE35C481" box="[366,432,1735,1760]" captionStart="FIGURE 3" captionStartId="5.[151,250,1833,1855]" captionTargetBox="[161,1435,206,1804]" captionTargetId="figure@5.[150,1436,193,1812]" captionTargetPageId="5" captionText="FIGURE 3. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – N, parthenogentic female. A – B, ventral margin of valves and setae of its anterior portion. C, sculpture of central part of valve. D, undeformed head shield in dosal view. E – F, rostrum. G, tip of rostrum. H, head pores. I – K, labrum. L – M, postabdomen. N, antenna. O, head shield of ephippial female. P – R, adult male: P – Q, head shield an its rostrum. R, postabdomen." httpUri="https://zenodo.org/record/227480/files/figure.png" pageId="7" pageNumber="134">Fig. 3</figureCitation>
|
||
R) short and narrow, with almost parallel margins in middle portion, narrowing distally in distal third, distal portion rounded, and concave at preanal angle. Length about 3.5 height. Sperm duct openings large, round, located above the bases of claws. Ventral margin almost straight. Dorsal margin evenly comes to the basis of claws, weakly concave in postanal portion and almost straight in anal one; distal part about 3–3.5 times longer than preanal one and postanal portion 2 times shorter than anal one. Postanal angle not defined. Preanal margin almost straight. Postanal margin with 1–3 thin spine-like marginal denticles; number of denticles on left and right sides of postabdomen can be different (in one specimen denticles were absent on one side); lateral fascicles setules same as in female. Postabdominal claw very short, 1.5 times shorter than preanal margin of postabdomen.
|
||
</paragraph>
|
||
<paragraph id="9F1136834F41BB16FF1F3FDEFB66C299" blockId="8.[151,1437,151,464]" pageId="8" pageNumber="135">
|
||
<emphasis id="ADDAEA914F41BB16FF1F3FDEFEBCC2B4" box="[199,313,188,213]" italics="true" pageId="8" pageNumber="135">Antennule</emphasis>
|
||
(
|
||
<figureCitation id="07952A064F41BB16FE9F3FDEFE0CC2B5" box="[327,393,188,213]" captionStart="FIGURE 4" captionStartId="6.[151,250,1749,1771]" captionTargetBox="[168,1434,181,1712]" captionTargetId="figure@6.[150,1436,175,1728]" captionTargetPageId="6" captionText="FIGURE 4. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – K, parthenogenetic female. A, antennule. B – C, limb I and its IDL and ODL. D – E, limb II and its exopodite. F, exopodite of limb III. G – H, inner portion of limb III. I, exopodite of limb IV. J, inner portion of limb IV. K, limb V. L – M, adult male. L, antennule, M, limb I." httpUri="https://zenodo.org/record/227481/files/figure.png" pageId="8" pageNumber="135">Fig. 4</figureCitation>
|
||
L) larger than in female, with 6 terminal and 4 lateral aestetascs; longest aesthetascs almost as long as antennule. Male seta large, arising at the middle of antennule, almost as long as antennule.
|
||
</paragraph>
|
||
<paragraph id="9F1136834F41BB16FF1F3E66FE4AC3E9" blockId="8.[151,1437,151,464]" pageId="8" pageNumber="135">
|
||
<emphasis id="ADDAEA914F41BB16FF1F3E66FEFDC37D" box="[199,376,260,285]" italics="true" pageId="8" pageNumber="135">Thoracic limb I</emphasis>
|
||
(
|
||
<figureCitation id="07952A064F41BB16FE513E66FE48C37D" box="[393,461,260,285]" captionStart="FIGURE 4" captionStartId="6.[151,250,1749,1771]" captionTargetBox="[168,1434,181,1712]" captionTargetId="figure@6.[150,1436,175,1728]" captionTargetPageId="6" captionText="FIGURE 4. Chydorus idrisi sp. nov. from type locality, forest pond in Cat Tien National Park, Dong Nai Province, Vietnam. A – K, parthenogenetic female. A, antennule. B – C, limb I and its IDL and ODL. D – E, limb II and its exopodite. F, exopodite of limb III. G – H, inner portion of limb III. I, exopodite of limb IV. J, inner portion of limb IV. K, limb V. L – M, adult male. L, antennule, M, limb I." httpUri="https://zenodo.org/record/227481/files/figure.png" pageId="8" pageNumber="135">Fig. 4</figureCitation>
|
||
M) with U-shaped copulatory hook, about 1/3 length of limb itself. The IDL has four setae: seta 1 similar to that of female; setae 2 and 3 of similar morphology, slender, thin, armed with short thin setules in distal part, only slightly longer than seta 1; male seta curved, as long as seta 1. Copulatory brush seta large, as long as IDL seta 1.
|
||
</paragraph>
|
||
<paragraph id="9F1136834F41BB16FF1F3EF6FAA8C3AE" blockId="8.[151,1437,151,464]" pageId="8" pageNumber="135">
|
||
<emphasis id="ADDAEA914F41BB16FF1F3EF6FF7BC3CC" bold="true" box="[199,254,404,429]" pageId="8" pageNumber="135">Size.</emphasis>
|
||
Minimum length of juvenile female was
|
||
<quantity id="58569B664F41BB16FD313EF6FCD4C3CD" box="[745,849,404,428]" metricMagnitude="-4" metricUnit="m" metricValue="2.4" pageId="8" pageNumber="135" unit="mm" value="0.24">0.24 mm</quantity>
|
||
and height
|
||
<quantity id="58569B664F41BB16FC383EF6FBCEC3CD" box="[992,1099,404,428]" metricMagnitude="-4" metricUnit="m" metricValue="2.1" pageId="8" pageNumber="135" unit="mm" value="0.21">0.21 mm</quantity>
|
||
; in ovigerous females length
|
||
<quantity id="58569B664F41BB16FF4F3ED5FEBFC3AE" box="[151,314,439,464]" metricMagnitude="-4" metricUnit="m" metricValue="3.3" metricValueMax="3.5999999999999996" metricValueMin="3.0" pageId="8" pageNumber="135" unit="mm" value="0.32999999999999996" valueMax="0.36" valueMin="0.3">0.30–0.36 mm</quantity>
|
||
and height
|
||
<quantity id="58569B664F41BB16FE653EDAFDE6C3AE" box="[445,611,440,464]" metricMagnitude="-4" metricUnit="m" metricValue="3.1000000000000005" metricValueMax="3.4000000000000004" metricValueMin="2.8000000000000003" pageId="8" pageNumber="135" unit="mm" value="0.31" valueMax="0.34" valueMin="0.28">0.28–0.34 mm</quantity>
|
||
. In adult male, length
|
||
<quantity id="58569B664F41BB16FC843EDAFC7AC3AE" box="[860,1023,440,464]" metricMagnitude="-4" metricUnit="m" metricValue="2.9" metricValueMax="3.0" metricValueMin="2.8" pageId="8" pageNumber="135" unit="mm" value="0.29" valueMax="0.3" valueMin="0.28">0.28–0.30 mm</quantity>
|
||
and height
|
||
<quantity id="58569B664F41BB16FB5A3EDAFAADC3AE" box="[1154,1320,440,464]" metricMagnitude="-4" metricUnit="m" metricValue="2.15" metricValueMax="2.2" metricValueMin="2.1" pageId="8" pageNumber="135" unit="mm" value="0.215" valueMax="0.22" valueMin="0.21">0.21–0.22 mm</quantity>
|
||
.
|
||
</paragraph>
|
||
<caption id="CBD1660B4F41BB16FF4F3860FB73C515" httpUri="https://zenodo.org/record/227482/files/figure.png" pageId="8" pageNumber="135" targetBox="[158,1421,518,1773]" targetPageId="8">
|
||
<paragraph id="9F1136834F41BB16FF4F3860FB73C515" blockId="8.[151,1436,1794,1908]" pageId="8" pageNumber="135">
|
||
<emphasis id="ADDAEA914F41BB16FF4F3860FE8AC579" bold="true" box="[151,271,1794,1816]" pageId="8" pageNumber="135">FIGURE 5</emphasis>
|
||
. A–D.
|
||
<emphasis id="ADDAEA914F41BB16FE873860FD4BC579" box="[351,718,1794,1816]" italics="true" pageId="8" pageNumber="135">
|
||
<taxonomicName id="58AE4D004F41BB16FE873860FD4FC579" authority="Sars, 1901" authorityName="Sars" authorityYear="1901" box="[351,714,1794,1816]" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="8" pageNumber="135" phylum="Arthropoda" rank="species" species="eurynotus">Chydorus cf. eurynotus Sars, 1901</taxonomicName>
|
||
,
|
||
</emphasis>
|
||
parthenogenetic female from Bau Sau lake, Cat Tien National Park, Dong Nai province, Vietnam A, lateral view. B, rostrum. C, postabdomen. D, IDL of limb I. E–H,
|
||
<taxonomicName id="58AE4D004F41BB16FB163843FEC0C537" authority="Stingelin, 1905" authorityName="Stingelin" authorityYear="1905" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="8" pageNumber="135" phylum="Arthropoda" rank="species" species="breviceps">
|
||
<emphasis id="ADDAEA914F41BB16FB163843FA19C556" box="[1230,1436,1825,1847]" italics="true" pageId="8" pageNumber="135">Chydorus breviceps</emphasis>
|
||
(Stingelin, 1905)
|
||
</taxonomicName>
|
||
, parthenogenetic female. E, specimen from drawing of Stingelin (1905), no scale bar. F–H, from small forest pond near Bau Sau lake, Cat Tien National Park, Dong Nai province, Vietnam, lateral, dorsal and frontal view.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="9F1136834F41BB17FF1F38D8FC1AC079" blockId="8.[199,1436,1978,2003]" lastBlockId="9.[151,1436,151,824]" lastPageId="9" lastPageNumber="136" pageId="8" pageNumber="135">
|
||
<emphasis id="ADDAEA914F41BB16FF1F38D8FE55C5B2" bold="true" box="[199,464,1978,2003]" pageId="8" pageNumber="135">Differential diagnosis.</emphasis>
|
||
<taxonomicName id="58AE4D004F41BB16FE0038D8FD0FC5B2" box="[472,650,1978,2003]" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="8" pageNumber="135" phylum="Arthropoda" rank="species" species="idrisi" status="sp. nov.">
|
||
<emphasis id="ADDAEA914F41BB16FE0038D8FD0FC5B2" box="[472,650,1978,2003]" italics="true" pageId="8" pageNumber="135">Chydorus idrisi</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="ADDAEA914F41BB16FD4A38D8FD6BC5B2" bold="true" box="[658,750,1978,2003]" pageId="8" pageNumber="135">
|
||
<taxonomicNameLabel id="B6E957EA4F41BB16FD4A38D8FD6BC5B2" box="[658,750,1978,2003]" pageId="8" pageNumber="135" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
can be easily differentiated from the species of
|
||
<taxonomicName id="58AE4D004F41BB16FAC138D8FA17C5B2" box="[1305,1426,1978,2003]" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="8" pageNumber="135" phylum="Arthropoda" rank="species" species="sphaericus">
|
||
<emphasis id="ADDAEA914F41BB16FAC138D8FA17C5B2" box="[1305,1426,1978,2003]" italics="true" pageId="8" pageNumber="135">sphaericus</emphasis>
|
||
</taxonomicName>
|
||
- group of the genus by small labrum without elongated tip and from the species of
|
||
<taxonomicName id="58AE4D004F40BB17FBF23FFAFB19C2D1" box="[1066,1180,152,176]" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="136" phylum="Arthropoda" rank="species" species="faviformis">
|
||
<emphasis id="ADDAEA914F40BB17FBF23FFAFB19C2D1" box="[1066,1180,152,176]" italics="true" pageId="9" pageNumber="136">faviformis</emphasis>
|
||
</taxonomicName>
|
||
-group and
|
||
<taxonomicName id="58AE4D004F40BB17FAC43FF5FA16C2D1" box="[1308,1427,151,176]" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="136" phylum="Arthropoda" rank="species" species="reticulatus">
|
||
<emphasis id="ADDAEA914F40BB17FAC43FF5FA16C2D1" box="[1308,1427,151,176]" italics="true" pageId="9" pageNumber="136">reticulatus</emphasis>
|
||
</taxonomicName>
|
||
- group by absence of honeycomb-like sculpture of carapace. It shares many diagnostic features with Oriental populations of
|
||
<taxonomicName id="58AE4D004F40BB17FE9C3F82FE51C299" box="[324,468,224,248]" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="136" phylum="Arthropoda" rank="species" species="eurynotus">
|
||
<emphasis id="ADDAEA914F40BB17FE9C3F82FE51C299" box="[324,468,224,248]" italics="true" pageId="9" pageNumber="136">C. eurynotus</emphasis>
|
||
</taxonomicName>
|
||
s. lato (for comparison see
|
||
<figureCitation id="07952A064F40BB17FCC13FBDFC12C299" box="[793,919,223,248]" captionStart="FIGURE 5. A – D" captionStartId="8.[151,250,1794,1816]" captionTargetBox="[158,1421,518,1773]" captionTargetId="figure@8.[151,1436,517,1773]" captionTargetPageId="8" captionText="FIGURE 5. A – D. Chydorus cf. eurynotus Sars, 1901, parthenogenetic female from Bau Sau lake, Cat Tien National Park, Dong Nai province, Vietnam A, lateral view. B, rostrum. C, postabdomen. D, IDL of limb I. E – H, Chydorus breviceps (Stingelin, 1905), parthenogenetic female. E, specimen from drawing of Stingelin (1905), no scale bar. F – H, from small forest pond near Bau Sau lake, Cat Tien National Park, Dong Nai province, Vietnam, lateral, dorsal and frontal view." httpUri="https://zenodo.org/record/227482/files/figure.png" pageId="9" pageNumber="136">Fig. 5A–D</figureCitation>
|
||
), but
|
||
<taxonomicName id="58AE4D004F40BB17FC023F82FBEEC299" box="[986,1131,224,248]" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="136" phylum="Arthropoda" rank="species" species="eurynotus">
|
||
<emphasis id="ADDAEA914F40BB17FC023F82FBEEC299" box="[986,1131,224,248]" italics="true" pageId="9" pageNumber="136">C. eurynotus</emphasis>
|
||
</taxonomicName>
|
||
s. lato lacks characteristic polygonal sculpture of carapace, lacks spinules at the end of the rostrum, has basal spines of postabdominal claw of equal length, and more massive and thick seta 3 of IDL (width of seta 3 base about 3 width of seta 1 base). South American populations of
|
||
<taxonomicName id="58AE4D004F40BB17FE603E2FFDCDC305" box="[440,584,333,356]" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="136" phylum="Arthropoda" rank="species" sensu="stricto" species="eurynotus">
|
||
<emphasis id="ADDAEA914F40BB17FE603E2FFDCDC305" box="[440,584,333,356]" italics="true" pageId="9" pageNumber="136">C. eurynotus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="B6E957EA4F40BB17FD893E2FFD08C305" box="[593,653,333,356]" pageId="9" pageNumber="136" sensu="stricto">s. str.</taxonomicNameLabel>
|
||
also lack polygons on valves and spinules at the end of rostrum (see
|
||
<bibRefCitation id="FB3F4B724F40BB17FF4F3E0DFE98C3E9" author="Paggi" box="[151,285,367,392]" pageId="9" pageNumber="136" refString="Paggi, J. C. (1972) Nota sistematica acera de algunos Cladoceros del genero Chvdorus Leach 1843, de la Republica Argentina. Physis, 31 (82), 223 - 236." type="journal article" year="1972">Paggi, 1972</bibRefCitation>
|
||
) and have different shape of male postabdomen (see
|
||
<bibRefCitation id="FB3F4B724F40BB17FCAA3E12FC68C3E9" author="Sars" box="[882,1005,368,392]" pageId="9" pageNumber="136" refString="Sars, G. O. (1901) Contributions to the knowledge of the fresh-water Entomostraca of South America, as shown by artificial hatching from dried material. 1. Cladocera. Archiv for Mathematik og Naturvidenskab, 23 (3), 1 - 102." type="journal article" year="1901">Sars, 1901</bibRefCitation>
|
||
).
|
||
<taxonomicName id="58AE4D004F40BB17FBD83E12FBDEC3E9" box="[1024,1115,367,392]" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="136" phylum="Arthropoda" rank="species" species="idrisi" status="sp. nov.">
|
||
<emphasis id="ADDAEA914F40BB17FBD83E12FBDEC3E9" box="[1024,1115,367,392]" italics="true" pageId="9" pageNumber="136">C. idrisi</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="B6E957EA4F40BB17FBBA3E0DFB3EC3E6" box="[1122,1211,367,392]" pageId="9" pageNumber="136" rank="species">
|
||
<emphasis id="ADDAEA914F40BB17FBBA3E0DFB30C3E9" bold="true" box="[1122,1205,367,392]" pageId="9" pageNumber="136">sp. nov</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
clearly differs from the other species with rounded labral plate; from
|
||
<taxonomicName id="58AE4D004F40BB17FD093EF7FCF6C3CD" box="[721,883,405,428]" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="136" phylum="Arthropoda" rank="species" species="ventricosus">
|
||
<emphasis id="ADDAEA914F40BB17FD093EF7FCF6C3CD" box="[721,883,405,428]" italics="true" pageId="9" pageNumber="136">C. ventricosus</emphasis>
|
||
</taxonomicName>
|
||
in smaller size and in shape of valves; from
|
||
<taxonomicName id="58AE4D004F40BB17FA5A3EF7FEFEC3B1" authority="Daday, 1878" authorityName="Daday" authorityYear="1878" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="136" phylum="Arthropoda" rank="species" species="parvus">
|
||
<emphasis id="ADDAEA914F40BB17FA5A3EF7FF66C3B1" italics="true" pageId="9" pageNumber="136">C. parvus</emphasis>
|
||
Daday,
|
||
<quantity id="58569B664F40BB17FE9B3EDAFEFEC3B1" box="[323,379,440,464]" metricMagnitude="1" metricUnit="m" metricValue="4.77012" pageId="9" pageNumber="136" unit="in" value="1878.0">1878</quantity>
|
||
</taxonomicName>
|
||
in the absence of cavities on the valves; from
|
||
<taxonomicName id="58AE4D004F40BB17FC4C3EDAFBAFC3B1" box="[916,1066,439,464]" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="136" phylum="Arthropoda" rank="species" species="pubescens">
|
||
<emphasis id="ADDAEA914F40BB17FC4C3EDAFBAFC3B1" box="[916,1066,439,464]" italics="true" pageId="9" pageNumber="136">C. pubescens</emphasis>
|
||
</taxonomicName>
|
||
in lack of setules on the valves, presence of spinules on the end of rostrum, and in non-defined posterodorsal angle of valves; from
|
||
<taxonomicName id="58AE4D004F40BB17FAD83EBFFE8BC079" authority="Frey, 1980" authorityName="Frey" authorityYear="1980" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="136" phylum="Arthropoda" rank="species" species="brevilabris">
|
||
<emphasis id="ADDAEA914F40BB17FAD83EBFFA19C394" box="[1280,1436,476,501]" italics="true" pageId="9" pageNumber="136">C. brevilabris</emphasis>
|
||
<bibRefCitation id="FB3F4B724F40BB17FF4F3D62FE8BC079" author="Frey" box="[151,270,512,536]" pageId="9" pageNumber="136" refString="Frey, D. G. (1980) On the plularity of Chydorus sphaericus (O. F. Muller) (Cladocera, Chydoridae), and designation of a neotype from Sjaelso, Denmark. Hydrobiologia, 69, 83 - 123." type="journal article" year="1980">
|
||
Frey,
|
||
<quantity id="58569B664F40BB17FF0E3D62FE8BC079" box="[214,270,512,536]" metricMagnitude="1" metricUnit="m" metricValue="5.0291999999999994" pageId="9" pageNumber="136" unit="in" value="1980.0">1980</quantity>
|
||
</bibRefCitation>
|
||
</taxonomicName>
|
||
in round, not oval body, and in the shape of postabdomen.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D7B465084F40BB17FF1F3D46FE77C159" pageId="9" pageNumber="136" type="distribution">
|
||
<paragraph id="9F1136834F40BB17FF1F3D46FE77C159" blockId="9.[151,1436,151,824]" pageId="9" pageNumber="136">
|
||
<emphasis id="ADDAEA914F40BB17FF1F3D46FE6EC05C" bold="true" box="[199,491,548,573]" pageId="9" pageNumber="136">Distribution and ecology</emphasis>
|
||
. Presently known from
|
||
<collectingCountry id="E7B976134F40BB17FD213D46FCDEC05C" box="[761,859,548,573]" name="Vietnam" pageId="9" pageNumber="136">Vietnam</collectingCountry>
|
||
,
|
||
<collectingCountry id="E7B976134F40BB17FCBE3D46FC4FC05C" box="[870,970,548,573]" name="Thailand" pageId="9" pageNumber="136">Thailand</collectingCountry>
|
||
and
|
||
<collectingCountry id="E7B976134F40BB17FBD83D46FBECC05C" box="[1024,1129,548,573]" name="Malaysia" pageId="9" pageNumber="136">Malaysia</collectingCountry>
|
||
, but probably is distributed over all Oriental region. In Cat Tien National Park C.
|
||
<taxonomicName id="58AE4D004F40BB17FD2B3D25FCABC001" box="[755,814,583,608]" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="136" phylum="Arthropoda" rank="species" species="idrisi" status="sp. nov.">
|
||
<emphasis id="ADDAEA914F40BB17FD2B3D25FCABC001" box="[755,814,583,608]" italics="true" pageId="9" pageNumber="136">idrisi</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="B6E957EA4F40BB17FCED3D25FC0BC03E" box="[821,910,583,608]" pageId="9" pageNumber="136" rank="species">
|
||
<emphasis id="ADDAEA914F40BB17FCED3D25FC02C001" bold="true" box="[821,903,583,608]" pageId="9" pageNumber="136">sp. nov</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
was widely distributed, present in littoral zone of permanent lakes Bau Sau and Bau Chim (locations 1 and
|
||
<quantity id="58569B664F40BB17FCE53D0EFCEDC0E4" box="[829,872,620,645]" metricMagnitude="-2" metricUnit="m" metricValue="7.62" pageId="9" pageNumber="136" unit="in" value="3.0">3 in</quantity>
|
||
<bibRefCitation id="FB3F4B724F40BB17FCB73D0EFB3EC0E5" author="Sinev" box="[879,1211,620,645]" pageId="9" pageNumber="136" refString="Sinev, A. Y. & Korovchinsky, N. M. (2013) Cladocera (Crustacea: Branchiopoda) of Cat Tien National Park, South Vietnam. Journal of Limnology, 70 (2), 125 - 141. http: // dx. doi. org / 10.4081 / jlimnol. 2013. s 2. e 8" type="journal article" year="2013">Sinev & Korovchinsky, 2013</bibRefCitation>
|
||
). It was abundant in autumn
|
||
<quantity id="58569B664F40BB17FF2A3DF2FECDC0C9" box="[242,328,655,680]" metricMagnitude="1" metricUnit="m" metricValue="5.1053999999999995" pageId="9" pageNumber="136" unit="in" value="2010.0">2010 in</quantity>
|
||
several forest ponds without aquatic macrophytes (locations 6–8 and 10), and numerous ephippial females and males were found in locations 6–7 and 10. In contrast, its sibling-species,
|
||
<taxonomicName id="58AE4D004F40BB17FB583DD7FA94C0AD" box="[1152,1297,693,716]" class="Branchiopoda" genus="Chydorus" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="136" phylum="Arthropoda" rank="species" species="eurynotus">
|
||
<emphasis id="ADDAEA914F40BB17FB583DD7FA94C0AD" box="[1152,1297,693,716]" italics="true" pageId="9" pageNumber="136">C. eurynotus</emphasis>
|
||
</taxonomicName>
|
||
s. lato, was found only in water bodies with abundant macrophytes, in Bau Sau lake, in both spring and autumn, and in spring in two village ponds (locations 4–5); its gamogenetic stages were never found. For the list of coexisting species see
|
||
<bibRefCitation id="FB3F4B724F40BB17FF4F3C7DFE6BC159" author="Sinev" box="[151,494,799,824]" pageId="9" pageNumber="136" refString="Sinev, A. Y. & Korovchinsky, N. M. (2013) Cladocera (Crustacea: Branchiopoda) of Cat Tien National Park, South Vietnam. Journal of Limnology, 70 (2), 125 - 141. http: // dx. doi. org / 10.4081 / jlimnol. 2013. s 2. e 8" type="journal article" year="2013">Sinev & Korovchinsky (2013)</bibRefCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |