344 lines
43 KiB
XML
344 lines
43 KiB
XML
<document id="468168C2945F51DBF45371B065CBBA6B" ID-DOI="http://dx.doi.org/10.3897/zookeys.522.5989" ID-GBIF-Dataset="8afe49cb-70f4-4e9a-983c-a262efa1a40c" ID-PMC="PMC4591735" ID-Pensoft-Pub="1313-2970-522-141" ID-PubMed="26445932" ID-ZooBank="4B2B7859B982491ABA1FDCD6B1B566C3" ModsDocAuthor="" ModsDocDate="2015" ModsDocID="1313-2970-522-141" ModsDocOrigin="ZooKeys 522" ModsDocTitle="A new species of Metacyclops from a hyporheic habitat in North Vietnam (Crustacea, Copepoda, Cyclopidae)" checkinTime="1451243967632" checkinUser="pensoft" docAuthor="Kolaczynski, Andrzej" docDate="2015" docId="5AC0670325811004DBE3BF39C9030D21" docLanguage="en" docName="ZooKeys 522: 141-152" docOrigin="ZooKeys 522" docSource="http://dx.doi.org/10.3897/zookeys.522.5989" docTitle="Metacyclops amicitiae Kolaczynski, 2015, sp. n." docType="treatment" docUuid="5AD1E073-6015-4409-93D0-306E45975CD7" docUuidSource="ZooBank" docVersion="5" lastPageNumber="146" masterDocId="7278FFE9FFE6FFCB3F0C1310FFD80910" masterDocTitle="A new species of Metacyclops from a hyporheic habitat in North Vietnam (Crustacea, Copepoda, Cyclopidae)" masterLastPageNumber="152" masterPageNumber="141" pageNumber="142" updateTime="1701317937925" updateUser="plazi">
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<mods:title id="D607613A057105833996D753CB92B431">A new species of Metacyclops from a hyporheic habitat in North Vietnam (Crustacea, Copepoda, Cyclopidae)</mods:title>
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<mods:namePart id="8C7167A378E98E10DA9EE433BDDB24FC">Kolaczynski, Andrzej</mods:namePart>
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<mods:date id="2429FCC6DC162AB901958D425D8708A9">2015</mods:date>
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<mods:classification id="E8BA55C4628B2A2DA02D0174FAFDC9B6">journal article</mods:classification>
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<mods:identifier id="0F9980EB208F3BEF2814A3E21438CA66" type="DOI">http://dx.doi.org/10.3897/zookeys.522.5989</mods:identifier>
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<treatment id="5AC0670325811004DBE3BF39C9030D21" ID-GBIF-Taxon="152062452" LSID="urn:lsid:zoobank.org:act:5AD1E073-6015-4409-93D0-306E45975CD7" httpUri="http://treatment.plazi.org/id/5AC0670325811004DBE3BF39C9030D21" lastPageId="5" lastPageNumber="146" pageId="1" pageNumber="142">
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<subSubSection id="E46FB07A515358C14A3DFA0C07F078CF" pageId="1" pageNumber="142" type="multiple">
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<paragraph id="86C38566987167C597B713FAB2D40DF1" pageId="1" pageNumber="142">Taxon classification Animalia Cyclopoida Cyclopidae</paragraph>
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</subSubSection>
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<subSubSection id="E912E746095AD207B39D48853FD0E1F4" pageId="1" pageNumber="142" type="nomenclature">
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<paragraph id="9AAC6693758C3A355ACB79EE4E673F1B" pageId="1" pageNumber="142">
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<taxonomicName id="0A567FD9C273F0D0C464271487515FFD" ID-CoL="429JT" LSID="http://zoobank.org/5AD1E073-6015-4409-93D0-306E45975CD7" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops amicitiae" order="Cyclopoida" pageId="1" pageNumber="142" phylum="Arthropoda" rank="species" species="amicitiae">Metacyclops amicitiae</taxonomicName>
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<taxonomicNameLabel id="0607FCAC7D0163DDD1D5585E1D6F320C" pageId="1" pageNumber="142">sp. n.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection id="880CE229B3DD918D1E430AD784DB61F6" lastPageId="2" lastPageNumber="143" pageId="1" pageNumber="142" type="materials_examined">
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<paragraph id="F2FD726D912CEC814A0DD875B29E2326" pageId="1" pageNumber="142">Material examined.</paragraph>
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<paragraph id="ACEDF239F915FCA54E50E032D1A6A26C" lastPageId="2" lastPageNumber="143" pageId="1" pageNumber="142">
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Holotype: female dissected on two slides [MIZ 6/2015/1], Vietnam, Tam
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<normalizedToken id="D5FAE1FC4EA5759071FEAD46BF95FCEF" originalValue="Đao">Đao</normalizedToken>
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,
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<geoCoordinate id="9246F5F6EDBE8E7CB6F7AD070E8C2FAA" direction="north" orientation="latitude" precision="925" value="21.75">21°45'N</geoCoordinate>
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<geoCoordinate id="4EFAC3DE04EE0332C48DD3DF85B40AFB" direction="east" orientation="longitude" precision="925" value="106.066666">105°64'E</geoCoordinate>
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, ca. 930 m above sea level, water seeping into a shallow pit dug in gravel deposit of a creek (no name), leg. M.
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<normalizedToken id="2F803F421C7F2CCA860884E8F5AB1989" originalValue="Hołyńska">Holynska</normalizedToken>
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02 Apr. 1999. Paratypes: six females on two slides each [MIZ 6/2015/2, MIZ 6/2015/3, MIZ 6/2015/4,
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<pageBreakToken id="48E0666BA8007C81DBC4DE2630E73844" pageId="2" pageNumber="143" start="start">MIZ</pageBreakToken>
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6/2015/5, MIZ 6/2015/6, MIZ6/2015/7], and two males on one slide each [MIZ 6/2015/8, MIZ 6/2015/9] from the same sample as the holotype; two females on two slides each [MIZ 6/2015/10, MIZ 6/2015/11], Tam
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<normalizedToken id="F5350B749B6ED9E17BEE9E01A6345F77" originalValue="Đao">Đao</normalizedToken>
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,
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<geoCoordinate id="9A19B08310E0A8F3BAB7A5D47B7B233B" direction="north" orientation="latitude" precision="925" value="21.75">21°45'N</geoCoordinate>
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<geoCoordinate id="198D85ECEAF398F034563BD69102E97B" direction="east" orientation="longitude" precision="925" value="106.066666">105°64'E</geoCoordinate>
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, small rock depression filled with wet leaf litter, leg. M.
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<normalizedToken id="3861F2A0EDD02A3488A84CA7BA8FFFB7" originalValue="Hołyńska">Holynska</normalizedToken>
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01 Apr. 1999.
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</paragraph>
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</subSubSection>
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<subSubSection id="BA3207EA9219BF6E80F2A4F167AB5C2F" lastPageId="4" lastPageNumber="145" pageId="2" pageNumber="143" type="etymology">
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<paragraph id="D9BC1EB9E8D8DD77BC72E8EB2DC3E1B0" pageId="2" pageNumber="143">Etymology.</paragraph>
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<paragraph id="9C89D27E1CE53664D2E11A92D78EA007" pageId="2" pageNumber="143">
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The species is dedicated to the historical tradition of sympathy and friendship between the Poles and Hungarians. The species name amicitiae is the dative case of the ancient Latin word
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<normalizedToken id="73121B5B1DAEC5B53460A55DAA22FB2F" originalValue="“amicitia,”">"amicitia,"</normalizedToken>
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a singular noun which means
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<normalizedToken id="917EC25C39D511BFF1887DFA06CC1579" originalValue="“friendship”">"friendship"</normalizedToken>
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. The gender is feminine.
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</paragraph>
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<paragraph id="DD658FD42931021C812DDD58C8BE1E1C" pageId="2" pageNumber="143">
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Female. Length of holotype 635
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<normalizedToken id="54173FF522DBA70FEF2FBEEB43C84940" originalValue="µm">µm</normalizedToken>
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; range and mean of body length 610-660
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<normalizedToken id="8E26D7CBFCBC627A8B70BA233CE6E866" originalValue="µm">µm</normalizedToken>
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and 634
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<normalizedToken id="5C3B2B634068EF7FBCBF65F39A9B4DB8" originalValue="µm">µm</normalizedToken>
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, respectively (n = 9). Length of prosome 413
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<normalizedToken id="7CCD08043054B50966FC81F712B8842A" originalValue="µm">µm</normalizedToken>
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(cephalothorax: 225
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<normalizedToken id="734607D675F77F9550E8BFA8826FB051" originalValue="µm">µm</normalizedToken>
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, prosomite 2: 88
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<normalizedToken id="428A87C261CD1B4BDEF73974B523E118" originalValue="µm">µm</normalizedToken>
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, prosomite 3: 56
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<normalizedToken id="87F6BDA794109B805009A24350797B2D" originalValue="µm">µm</normalizedToken>
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, prosomite 4: 44
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<normalizedToken id="9718207A7D5FBD48DD5CAD5822DD8DFC" originalValue="µm">µm</normalizedToken>
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). Length of urosome 222
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<normalizedToken id="2B113F269C5C5216F2AC6B8559789F3D" originalValue="µm">µm</normalizedToken>
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. Prosome and urosome length ratio approximately 1.86. Antennule is very short. The length of antennule does not exceed the length of cephalothorax.
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</paragraph>
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<paragraph id="EB31E8EFFEE1B4F7A2D7D0632EE7D413" pageId="2" pageNumber="143">
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Genital double-somite (Fig. 1A) about 1.21 times broader than long, no transverse ridges or hairs on the somite. Seminal receptacle
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<normalizedToken id="82B8634F9D3CDF7CF38A9AAE629BBA1A" originalValue="“T”">"T"</normalizedToken>
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-shaped. Posterior margin of anal somite bearing continuous row of strong spinules.
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</paragraph>
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<caption id="80E8A427D38E7C03E4B37761BC1B9C83" pageId="2" pageNumber="143">
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<paragraph id="1063BE57B96F965BECE23DB075F01135" pageId="2" pageNumber="143">
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Figure 1.
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<taxonomicName id="74C2FE0AE687F898ACFBD0D79E06E080" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops amicitiae" order="Cyclopoida" pageId="2" pageNumber="143" phylum="Arthropoda" rank="species" species="amicitiae">Metacyclops amicitiae</taxonomicName>
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sp. n. female. A urosome, ventral B-C caudal rami, ventral D leg 5 E leg 6
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<normalizedToken id="FC679CDFC051E0F742E324A7819ECEE8" originalValue="F–H">F-H</normalizedToken>
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antennule: F segments 1-3 G segments 4-11 H segment 12.
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<normalizedToken id="799DBA72129E9D113A4E3878F1363BC6" originalValue="A–D">A-D</normalizedToken>
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paratype [MIZ 6/2015/2]
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<normalizedToken id="B193C55CC6FE8D926BCE01EEFCD577D9" originalValue="F–H">F-H</normalizedToken>
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holotype [MIZ 6/2015/1] E paratype [MIZ 6/2015/6]. Scale bars 50
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<normalizedToken id="F9FA786C3596A014AD283E726653B95B" originalValue="µm">µm</normalizedToken>
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.
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</paragraph>
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</caption>
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<paragraph id="88B36F45BA9F153827A0CC548F6EB5D8" pageId="2" pageNumber="143">Caudal rami (Fig. 1B, C) 2.26 times longer than wide and bearing six setae, medial margin naked. Spinules present at insertion of antero- and posterolateral caudal setae. Inner and outer terminal caudal setae with breaking plane.</paragraph>
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<paragraph id="02671A690FBCA334F78E028CAFF2A921" pageId="2" pageNumber="143">
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Relative length of caudal setae from terminal accessory (innermost) to posterolateral (outermost) caudal setae: 1.7 (75
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<normalizedToken id="238B336756626F74DA5DC8D36520186D" originalValue="µm">µm</normalizedToken>
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), 9.6 (422
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<normalizedToken id="572BD3268699BAEF824F5AD5A375C4CC" originalValue="µm">µm</normalizedToken>
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), 5.5 (242
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<normalizedToken id="7BA4C6EBEBE3027F89B80354385D0596" originalValue="µm">µm</normalizedToken>
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), 1.0 (44
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<normalizedToken id="C3147698467B2D47B852B3C47B36F19F" originalValue="µm">µm</normalizedToken>
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). Dorsal caudal seta 36
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<normalizedToken id="B516D6B2D74AE714253761FDF5A22D5F" originalValue="µm">µm</normalizedToken>
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, 0.82 times as long as posterolateral caudal seta. Setulation of caudal setae homonomous.
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</paragraph>
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<paragraph id="5A871CD899A3A1E5FF370F74C0471C53" pageId="2" pageNumber="143">Antennule (Fig. 1F, G, H) 12-segmented and armed as follows: 8 (and row of spinules ventrally), 4, 6, 2, 1 + spine, 2, 3, 1 + aesthetasc, 1, 2, 2 + aesthetasc, 7 + aesthetasc.</paragraph>
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<paragraph id="8C87FEAC3674893503C9B9FE8403FF9D" pageId="2" pageNumber="143">Antenna (Fig. 2A, B) armed with 3, 1, 9, and 7 setae on coxobasis and three-segmented endopodite, respectively. Exopodite seta long, reaching beyond enp3. Coxobasis bearing five groups of spinules on caudal surface (Fig. 2B), longer spinules present on lateral margin near base of segment, and three groups of spinules present on frontal surface (Fig. 2A).</paragraph>
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<caption id="99E6F331A0CF5CBCD6C195D542ECA14F" pageId="2" pageNumber="143">
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<paragraph id="6E3C06C06294F3CD6DB5AC7231199BD5" pageId="2" pageNumber="143">
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Figure 2.
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<taxonomicName id="2806A25D43A1A09AC150E28F5D84713F" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops amicitiae" order="Cyclopoida" pageId="2" pageNumber="143" phylum="Arthropoda" rank="species" species="amicitiae">Metacyclops amicitiae</taxonomicName>
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sp. n. female, holotype. A antennal coxobasis and enp1, frontal B antennal coxobasis and enp1-2, caudal C mandible D maxillulary arthrite E maxillulary palp F maxilla, caudal G maxilliped, thin hairs on the frontal surface of basipodite are not shown. Scale bars 50
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<normalizedToken id="4A9447393EF3A1F4B7737B5DF8F33B71" originalValue="µm">µm</normalizedToken>
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.
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</paragraph>
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</caption>
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<paragraph id="11E1B18B2ABE423DD59BC911FC278CD9" pageId="2" pageNumber="143">Mandible (Fig. 2C) with reduced palp bearing two long plumose setae and short naked seta. Gnathobase with 8 teeth and dorsal seta-like element.</paragraph>
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<paragraph id="6A0F0EF893EF7F2D8469A1D57CAB7BEB" pageId="2" pageNumber="143">Maxillule (Fig. 2D, E) comprised of praecoxopodite and palp. Palp (Fig. 2E) two-segmented and bearing seven setae: three setae apically, three setae on lateral lobe (segment), and one seta proximally. Praecoxopodite has three large apical spines fused at their base, one seta on caudal surface next to base of apical spines, and seven elements on medial margin.</paragraph>
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<paragraph id="0D512D2D63891EDD04834D85318A8381" pageId="2" pageNumber="143">Maxilla (Fig. 2F) five-segmented, consisting of praecoxopodite and coxopodite (separated on caudal surface yet fused frontally), basipodite, and two-segmented endopodite. Arthrodial membrane absent between distal endopodal segment and large distal claw-like seta on caudal surface. Setal formula: 2, 3, 2, 2, 3. Short seta (Fig. 2F arrowed) inserted on caudal surface of basipodite, next to base of medial claw-like attenuation of segment.</paragraph>
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<paragraph id="20E2FA213DE4FCD7D556DEC93C8E3466" pageId="3" pageNumber="144">
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<pageBreakToken id="61EBC12C3F14AB9B400C26C3F91A080F" pageId="3" pageNumber="144" start="start">Maxilliped</pageBreakToken>
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(Fig. 2G) four-segmented, comprising syncoxopodite, basipodite and two-segmented endopodite. Setal formula 3, 2, 1, 3. Basipodite with thin hairs on frontal surface and one group of spinules caudally near lateral margin.
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</paragraph>
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<paragraph id="87E671487D446867E4269119D2603CC4" pageId="3" pageNumber="144">P1-P4 (Fig. 3) rami two-segmented, spine formula 3-4-4-3 (Table 1).</paragraph>
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<caption id="48BB3E2B1404C30AE84F61594D085463" pageId="3" pageNumber="144">
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<paragraph id="D389F935DD8726CF44664EB0094B02AF" pageId="3" pageNumber="144">
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Figure 3.
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<taxonomicName id="D727BF303EDBB17CD9B3BAF6C283983D" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops amicitiae" order="Cyclopoida" pageId="3" pageNumber="144" phylum="Arthropoda" rank="species" species="amicitiae">Metacyclops amicitiae</taxonomicName>
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sp. n. female, holotype. A leg 1, frontal B leg 2, caudal C leg 4, caudal. Scale bar 50
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<normalizedToken id="F05B1A557AD668E02FCDA6419BFF2CA7" originalValue="µm">µm</normalizedToken>
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.
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</paragraph>
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</caption>
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<caption id="17DB838D0F041931FC5935678AC64E4F" ID-Table-UUID="17DB838D0F041931FC5935678AC64E4F" httpUri="http://table.plazi.org/id/17DB838D0F041931FC5935678AC64E4F" pageId="3" pageNumber="144">
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<paragraph id="0B49B9E44E269AB1A98D20D767BD93A0" pageId="3" pageNumber="144">
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Table 1. Armature of the swimming legs in
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<taxonomicName id="6FFD0CA3D3C6ACB5E44D37821EBB477C" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops amicitiae" order="Cyclopoida" pageId="3" pageNumber="144" phylum="Arthropoda" rank="species" species="amicitiae">Metacyclops amicitiae</taxonomicName>
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sp. n. (Roman numerals indicating spines, Arabic numerals representing setae).
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</paragraph>
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</caption>
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<paragraph id="6102DFE0976B0B0B8029D363415C8897" pageId="3" pageNumber="144">
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<table id="B06D8FCC3C0AD1DE9BEF88B0091ABCBE" pageId="3" pageNumber="144">
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<tr id="117D72C914C13924C144DC5CD193ED78" pageId="3" pageNumber="144">
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<th id="2F8F8AB4C01771954CE9730CF80FFA0A" colspan="1" pageId="3" pageNumber="144" rowspan="2">Coxopodite</th>
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<th id="6B8CD3648E00B455A122C46D3BFCAD76" colspan="1" pageId="3" pageNumber="144" rowspan="2">Basipodite</th>
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<th id="F0BCF945AF1837A520C7FED190012480" colspan="2" pageId="3" pageNumber="144" rowspan="1">Exopodite</th>
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<th id="1006EDD900559E81F3E70C3611AB49B3" colspan="2" pageId="3" pageNumber="144" rowspan="1">Endopodite</th>
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</tr>
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<tr id="29AD4AB9AE7B98D92B43E692883EF186" pageId="3" pageNumber="144">
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<th id="C7C4B66AE1894EE5F6F9D46F75F6901A" colspan="1" pageId="3" pageNumber="144" rowspan="1">1</th>
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<th id="7E5B68055513848D25694AE140BF1586" colspan="1" pageId="3" pageNumber="144" rowspan="1">2</th>
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<th id="665526B60294A1DE5F4C71CA375FBDBE" colspan="1" pageId="3" pageNumber="144" rowspan="1">1</th>
|
||
<th id="47FC620942B40D9ED5FC8777781BE10C" colspan="1" pageId="3" pageNumber="144" rowspan="1">2</th>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
<paragraph id="CA4740140A7F86E758F4A08FFDC01217" pageId="3" pageNumber="144">P1-P4: intercoxal sclerites with fine hairs on distal margin; mediodistal part of basipodite rounded and pilose. Leg 1 (Fig. 3A): coxopodite with laterodistal row of spinules. Two small spinules present next to insertion of medial spine of basipodite; spine reaching beyond distal margin of enp1. Leg 2 (Fig. 3B) coxopodite bearing two rows of spinules on caudal surface and short spinules on lateral margin. Leg 3 differing from leg 2 in size only.</paragraph>
|
||
<paragraph id="3BCDBE6A29976AE3077F815458361687" pageId="3" pageNumber="144">Leg 4 (Fig. 3C): intercoxal sclerite with row of small spinules on caudal surface. Coxopodite bearing five rows of spinules on caudal surface and robust spinules on lateral margin. Distal segment of P4 endopodite 2.12 times as long as wide, apical spine 0.82 times as long as segment.</paragraph>
|
||
<paragraph id="CA7542ECAE50139213A48D39D5718738" pageId="3" pageNumber="144">Leg 5 (Fig. 1A, D) with one free segment 1.6 times as long as wide, bearing one medial spine and one lateral seta. Long lateral seta inserted on laterodorsal surface of pediger 5.</paragraph>
|
||
<paragraph id="3ED7396AD4CABCA84B3C09D01FE92500" pageId="3" pageNumber="144">Leg 6 (Fig. 1E) represented by small plate located laterodorsally in anterior fouth of genital double-somite, and bearing one seta and two subequal lateral spines; seta ca. 3 times as long as lateral spines.</paragraph>
|
||
<paragraph id="904D9B1325F79B815C43320897762F0D" pageId="3" pageNumber="144">
|
||
Male. Length of two paratypes 537 and 539
|
||
<normalizedToken id="85535FD76503F07A70BB0ED12676BCB2" originalValue="µm">µm</normalizedToken>
|
||
. Length of prosome 334
|
||
<normalizedToken id="A97AD28D5C2592DCF996BC1A2EA3285D" originalValue="µm">µm</normalizedToken>
|
||
(cephalothorax: 182
|
||
<normalizedToken id="F289046DF85F2382C9FAAA83EEA24A5E" originalValue="µm">µm</normalizedToken>
|
||
, prosomite 2: 65
|
||
<normalizedToken id="DB502690F21FC841225EA898960CCBB9" originalValue="µm">µm</normalizedToken>
|
||
, prosomite 3: 53
|
||
<normalizedToken id="82C90A049FDD4456D6DB331E9D1874B7" originalValue="µm">µm</normalizedToken>
|
||
, prosomite 4: 34
|
||
<normalizedToken id="8FDB366FAFDF6287292ECD855E2CEB75" originalValue="µm">µm</normalizedToken>
|
||
). Length of urosome 203
|
||
<normalizedToken id="CECF338A02DA6B595EE693AE7AE76D00" originalValue="µm">µm</normalizedToken>
|
||
. Prosome and urosome length ratio about 1.64.
|
||
</paragraph>
|
||
<paragraph id="E6BF7CC4AB9917250956D6BEE9AD47D5" pageId="3" pageNumber="144">Caudal rami (Fig. 4A) 2.25 times longer than wide. Relative length of caudal setae from terminal accessory (innermost) to posterolateral (outermost) caudal setae: 1.6, 7.0, 4.2, 1.0. Dorsal caudal seta 0.88 times as long as posterolateral caudal seta. Setulation of caudal setae homonomous.</paragraph>
|
||
<caption id="DF1B01215E344D61C36E89A5AEA6B595" pageId="3" pageNumber="144">
|
||
<paragraph id="278C4B8731F351F95DC88F810F420B70" pageId="3" pageNumber="144">
|
||
Figure 4.
|
||
<taxonomicName id="C85650D06783D4E5D10616B4B9D78816" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops amicitiae" order="Cyclopoida" pageId="3" pageNumber="144" phylum="Arthropoda" rank="species" species="amicitiae">Metacyclops amicitiae</taxonomicName>
|
||
sp. n. male. A urosome, ventral [MIZ 6/2015/8]
|
||
<normalizedToken id="5D82626ACC9FD45B88D001FBD1984E0B" originalValue="B–C">B-C</normalizedToken>
|
||
antennule [MIZ 6/2015/9]: B segments 1-6, ventral C segments 15-16, dorsal (setation is shown on segment 16 only) D antennal coxobasis and enp1-2, caudal [MIZ 6/2015/8] E pediger 5 and genital segment, ventral [MIZ 6/2015/8]. Scale bars 50
|
||
<normalizedToken id="5163474D489FD19DE160FFFBF1AC18EB" originalValue="µm">µm</normalizedToken>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="69A45038D9CED80F8645FB80B2501B4B" lastPageId="4" lastPageNumber="145" pageId="3" pageNumber="144">
|
||
Antennule (Fig. 4B C) 16-segmented and armed as follows: 8 + 3 aesthetascs (and row of spinules ventrally), 4, 2, 2 + aesthetasc, 1, 2, 2, 2, 1 + aeathetasc+ spine, 2, 2, 2, (setation of segments 13-15 could not be verified), [4 + 1 aesthetasc and 7 + 1 aesthetasc] (one element broken one segment 16). Second endopodal segment of antenna with seven setae only (Fig. 4D). Surface ornamentation of antennal coxobasis (Fig. 4D) similar to that in female. Segmentation and setation of swimming legs, and leg 5
|
||
<pageBreakToken id="6B69C4AF266E7392638A04500384FAFB" pageId="4" pageNumber="145" start="start">as</pageBreakToken>
|
||
in female. Distal segment of P4 endopodite 1.75 times as long as wide, apical spine 1.16 times as long as segment. Surface ornamentation of P1-P4 intercoxal sclerites similar to that in female.
|
||
</paragraph>
|
||
<paragraph id="BD097B89EC2CB4E310FA514136B34634" pageId="4" pageNumber="145">P6 (Fig. 4E) bearing two elements only, lateral seta 1.6 times as long as medial spine.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="1B91BF18EBE84B0352627C884D1DA373" lastPageId="5" lastPageNumber="146" pageId="4" pageNumber="145" type="remarks">
|
||
<paragraph id="E41CA7BD7BA59726F476851437129BA8" pageId="4" pageNumber="145">Remarks.</paragraph>
|
||
<paragraph id="B655EF4A2B01DF977D8FBBBAF044797F" lastPageId="5" lastPageNumber="146" pageId="4" pageNumber="145">
|
||
The 12-segmented antennule in the female of
|
||
<taxonomicName id="00AEA743B8A23EA8CAA099B89791D341" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops amicitiae" order="Cyclopoida" pageId="4" pageNumber="145" phylum="Arthropoda" rank="species" species="amicitiae">Metacyclops amicitiae</taxonomicName>
|
||
sp. n. is a very rare trait among the Old World
|
||
<taxonomicName id="62F059B83BBE17CE67812C30CE3F2099" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops" order="Cyclopoida" pageId="4" pageNumber="145" phylum="Arthropoda" rank="genus">Metacyclops</taxonomicName>
|
||
taxa. The only other species that shows the same segmentation pattern is
|
||
<taxonomicName id="ADE8173B95AB28EDBDD7BB1FD0B15B24" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops ryukyuensis" order="Cyclopoida" pageId="4" pageNumber="145" phylum="Arthropoda" rank="species" species="ryukyuensis">Metacyclops ryukyuensis</taxonomicName>
|
||
from Ishigaki Island, Ryukyus, Japan (Fig. 5) (Ishida, 1995). However, the 12-segmented state of the antennule is not unusual among the Middle and South American taxa [
|
||
<taxonomicName id="2BE82C731B59186C14C9318EF820F4D7" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops brauni" order="Cyclopoida" pageId="4" pageNumber="145" phylum="Arthropoda" rank="species" species="brauni">Metacyclops brauni</taxonomicName>
|
||
Herbst, 1962,
|
||
<taxonomicName id="512A883FA26835BCADCC70A431F77FF1" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops botosaneanui" order="Cyclopoida" pageId="4" pageNumber="145" phylum="Arthropoda" rank="species" species="botosaneanui">Metacyclops botosaneanui</taxonomicName>
|
||
Pesce, 1985,
|
||
<taxonomicName id="C8F9436C631AB91DF0DCE1EC58E96B02" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops hartmani" order="Cyclopoida" pageId="4" pageNumber="145" phylum="Arthropoda" rank="species" species="hartmani">Metacyclops hartmani</taxonomicName>
|
||
Herbst, 1960,
|
||
<taxonomicName id="54333EB9FD577A758AD0D83ABBCCEB8B" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops laticornis" order="Cyclopoida" pageId="4" pageNumber="145" phylum="Arthropoda" rank="species" species="laticornis">Metacyclops laticornis</taxonomicName>
|
||
(Lowndes, 1934),
|
||
<taxonomicName id="2B9FE848E28D666168BDA7D8E37073BD" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops necessarius" order="Cyclopoida" pageId="4" pageNumber="145" phylum="Arthropoda" rank="species" species="necessarius">Metacyclops necessarius</taxonomicName>
|
||
(Kiefer, 1926),
|
||
<taxonomicName id="C0DB93C2F3747D46D07073EDB2C97CA2" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops mendocinus" order="Cyclopoida" pageId="4" pageNumber="145" phylum="Arthropoda" rank="subspecies" species="mendocinus" subspecies="venezolanus">Metacyclops mendocinus venezolanus</taxonomicName>
|
||
Kiefer, 1956,
|
||
<taxonomicName id="7D28FFE3B85C24F99EB8599E5CB05C9D" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops leptopus" order="Cyclopoida" pageId="4" pageNumber="145" phylum="Arthropoda" rank="species" species="leptopus">Metacyclops leptopus</taxonomicName>
|
||
(Kiefer, 1927),
|
||
<taxonomicName id="CA900D1ECD96B416038722F0C21CE135" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops leptopus" order="Cyclopoida" pageId="4" pageNumber="145" phylum="Arthropoda" rank="subspecies" species="leptopus" subspecies="mucubajiensis">Metacyclops leptopus mucubajiensis</taxonomicName>
|
||
Kiefer, 1956,
|
||
<taxonomicName id="F5CDE5D8B18B5E7A6C683F703FDBF1C7" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops mendocinus" order="Cyclopoida" pageId="4" pageNumber="145" phylum="Arthropoda" rank="species" species="mendocinus">Metacyclops mendocinus</taxonomicName>
|
||
(Wierzejski, 1892),
|
||
<taxonomicName id="A3EFA13A84A195AA2FB882D6678D2281" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops problematicus" order="Cyclopoida" pageId="4" pageNumber="145" phylum="Arthropoda" rank="species" species="problematicus">Metacyclops problematicus</taxonomicName>
|
||
Dumont, 1973,
|
||
<taxonomicName id="825AD28B06EABFE6A4F65FBCDE2EF032" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops janstocki" order="Cyclopoida" pageId="4" pageNumber="145" phylum="Arthropoda" rank="species" species="janstocki">Metacyclops janstocki</taxonomicName>
|
||
Herbst, 1990,
|
||
<taxonomicName id="FAC4A3A706709E20AE8A60B2424D03E0" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops hirsutus" order="Cyclopoida" pageId="4" pageNumber="145" phylum="Arthropoda" rank="species" species="hirsutus">Metacyclops hirsutus</taxonomicName>
|
||
Rocha, 1994] (see
|
||
<bibRefCitation id="B41DC617BADA05E2040E9E4EAA67359E" author="Herbst, H" journalOrPublisher="Bijdragen tot de Dierkunde" pageId="6" pageNumber="147" pagination="137 - 154" title="Zwei neue Metacyclops (CrustaceaCopepoda) von den Westindischen Inseln Barbados und Aruba: M. agnitus sp. n. und M. mutatus n. sp., sowie ein Bestimmungsschluessel fuer das Genus." volume="58" year="1988">Herbst 1988</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="0C4AB851E0208B5BBED2D8D1666BCFB9" author="Herbst, H" journalOrPublisher="Beaufortia" pageId="6" pageNumber="147" pagination="75 - 81" title="Metacyclopsjanstocki sp. n. (Crustacea, Copepoda) von Antigua (Westindische Inseln)." volume="41" year="1990">1990</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="6AEF2FAC4B768D8C74526173583D6C0E" author="da Rocha, CEF" journalOrPublisher="Zoologica Scripta" pageId="7" pageNumber="148" pagination="133 - 146" title="New species of Metacyclops (Copepoda, Cyclopidae) from Brazil, with remarks on M. campestris." url="10.1111/j.1463-6409.1994.tb00380.x" volume="23" year="1994">da Rocha 1994</bibRefCitation>
|
||
), but those New World species have two spines on the distal endopodal segment of P4, instead of the single one present in
|
||
<taxonomicName id="A8D03C51B5FA4AF1F31B08AB9AE67C50" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops amicitiae" order="Cyclopoida" pageId="4" pageNumber="145" phylum="Arthropoda" rank="species" species="amicitiae">Metacyclops amicitiae</taxonomicName>
|
||
and
|
||
<taxonomicName id="549C96A7513823E816356712BF7842E2" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops ryukyuensis" order="Cyclopoida" pageId="4" pageNumber="145" phylum="Arthropoda" rank="species" species="ryukyuensis">Metacyclops ryukyuensis</taxonomicName>
|
||
.
|
||
<taxonomicName id="E10062ECEECBB8C2C8C1ACE19EB8B1F0" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops amicitiae" order="Cyclopoida" pageId="4" pageNumber="145" phylum="Arthropoda" rank="species" species="amicitiae">Metacyclops amicitiae</taxonomicName>
|
||
sp. n. differs from
|
||
<taxonomicName id="773DCDD1A5C9CA5A5F1482A5BF2ABCE9" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops ryukyuensis" order="Cyclopoida" pageId="4" pageNumber="145" phylum="Arthropoda" rank="species" species="ryukyuensis">Metacyclops ryukyuensis</taxonomicName>
|
||
in the surface ornamentation of the intercoxal sclerites of the swimming legs (sclerites smooth in
|
||
<taxonomicName id="1EE6B4ED300821E46998225DF48B019B" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops ryukyuensis" order="Cyclopoida" pageId="4" pageNumber="145" phylum="Arthropoda" rank="species" species="ryukyuensis">Metacyclops ryukyuensis</taxonomicName>
|
||
vs. sclerites bearing distal hairs in P1-P4, and spinules on the caudal surface of P4 both in female
|
||
<pageBreakToken id="D00BA88630DAB74E89FAE606CC78C941" pageId="5" pageNumber="146" start="start">and</pageBreakToken>
|
||
male of
|
||
<taxonomicName id="8BFAC25606DBD096B5149F83245FC4C4" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops amicitiae" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="amicitiae">Metacyclops amicitiae</taxonomicName>
|
||
). Other characters that also distinguish
|
||
<taxonomicName id="4213338B656CF34BC3055B6634C0E146" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops amicitiae" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="amicitiae">Metacyclops amicitiae</taxonomicName>
|
||
sp. n. from
|
||
<taxonomicName id="DA82664E81BCE2E210F3CE8410803532" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops ryukyuensis" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="ryukyuensis">Metacyclops ryukyuensis</taxonomicName>
|
||
are: number of setae on the second endopodal segment of the female antenna (nine in the new species, eight in
|
||
<taxonomicName id="F356F90ADD4ECDF8F57FEDC8E243CF53" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops ryukyuensis" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="ryukyuensis">Metacyclops ryukyuensis</taxonomicName>
|
||
); the size of the posterior sac of the seminal receptacle (long, approaching posterior margin of the genital double-somite in
|
||
<taxonomicName id="0CE36C8FCAAD97CAB0EE43B6F3CD71C6" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops amicitiae" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="amicitiae">Metacyclops amicitiae</taxonomicName>
|
||
sp. n., vs. reaching nearly the middle of the somite in
|
||
<taxonomicName id="41B3A193F5DE7663E023B2A0D46642BE" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops ryukyuensis" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="ryukyuensis">Metacyclops ryukyuensis</taxonomicName>
|
||
); P4 coxopodite with five rows of spinules on the caudal surface, robust spinules near the proximal margin of the segment in
|
||
<taxonomicName id="E8F954EB6CB346B518A8D823A5937DBC" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops amicitiae" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="amicitiae">Metacyclops amicitiae</taxonomicName>
|
||
, vs. four rows of spinules, tiny spinules near the proximal margin of the coxopodite in
|
||
<taxonomicName id="4AA79973BDE285A8B4CEF0CC0524F444" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops ryukyuensis" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="ryukyuensis">Metacyclops ryukyuensis</taxonomicName>
|
||
; apical spine of P4 endopodite is 0.82 times as long as distal segment in
|
||
<taxonomicName id="CC0E8EA805FC1D2316DA5AEE4B916CF8" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops amicitiae" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="amicitiae">Metacyclops amicitiae</taxonomicName>
|
||
, vs. 0.67 times as long as distal segment in
|
||
<taxonomicName id="3C19D30001347401EA5017B915B43032" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops ryukyuensis" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="ryukyuensis">Metacyclops ryukyuensis</taxonomicName>
|
||
; genital double-somite wider than long in
|
||
<taxonomicName id="261870E978F76FFE2A49E97950D05110" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops amicitiae" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="amicitiae">Metacyclops amicitiae</taxonomicName>
|
||
, vs. as long as wide in
|
||
<taxonomicName id="521F4586A4605897F3E5EE0F3FED81F0" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops ryukyuensis" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="ryukyuensis">Metacyclops ryukyuensis</taxonomicName>
|
||
; presence of spinules at insertion of the anterolateral caudal setae in
|
||
<taxonomicName id="D9FA201B5276C9E16BC8D49C318A8363" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops amicitiae" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="amicitiae">Metacyclops amicitiae</taxonomicName>
|
||
sp. n., vs. absence in
|
||
<taxonomicName id="79B61931F546264E3DB50D61DCA27C92" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops ryukyuensis" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="ryukyuensis">Metacyclops ryukyuensis</taxonomicName>
|
||
, and finally surface ornamentation of the anal sinus (naked in
|
||
<taxonomicName id="02BEE067E4CB366C7D3592CF9C02CC1D" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops amicitiae" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="amicitiae">Metacyclops amicitiae</taxonomicName>
|
||
sp. n., with spinules in
|
||
<taxonomicName id="1886000070B1E595EE542AD6FEFB2064" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops ryukyuensis" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="ryukyuensis">Metacyclops ryukyuensis</taxonomicName>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="9DD4551C97E64A92FD763F586661E64C" pageId="5" pageNumber="146">
|
||
<taxonomicName id="DD6C9BC1F5E38B96DFB48144FEF65E0A" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops amicitiae" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="amicitiae">Metacyclops amicitiae</taxonomicName>
|
||
sp. n. and
|
||
<taxonomicName id="868BAF737D1D1FF1E94D49FAF0C1C390" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops ryukyuensis" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="ryukyuensis">Metacyclops ryukyuensis</taxonomicName>
|
||
not only share several morphological characters (e.g. segmentation and setation of the antennule, mouthparts and leg morphology, relatively long terminal accessory caudal seta and small body size), but they also show similarities in habitat preference as both species seem to be related to benthic and hyporheic habitats.
|
||
<taxonomicName id="6EE32F4147F78C4F73AE217173B29B82" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops ryukyuensis" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="ryukyuensis">Metacyclops ryukyuensis</taxonomicName>
|
||
was found in a detritus sample from a shallow stream with gravel and mud deposit ("The sample was scraped by a small hand net... from the bottom" - p. 33 in
|
||
<bibRefCitation id="C0E5FD15A983E17D28C0F1EDE5406B3D" author="Ishida, T" journalOrPublisher="Proceedings of the Japanese Society of Systematic Zoology" pageId="6" pageNumber="147" pagination="33 - 37" title="A new species of Metacyclops (Crustacea, Copepoda, Cyclopoida) from Ishigaki Island, the Ryukyu Islands." volume="54" year="1995">Ishida 1995</bibRefCitation>
|
||
). The poor information available on the geographic distribution of
|
||
<taxonomicName id="826060BC77D4831FEF7B3C252D7F07CD" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops amicitiae" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="amicitiae">Metacyclops amicitiae</taxonomicName>
|
||
sp. n. and
|
||
<taxonomicName id="2C0F555B715E336BFCB18F7BDD58DB2E" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops ryukyuensis" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="ryukyuensis">Metacyclops ryukyuensis</taxonomicName>
|
||
makes difficult any inference about the age of their divergence. Nonetheless, it is worth mentioning that Ryukyus Islands, which are presently isolated from Japan, China, and Taiwan by the sea (the terra typica of
|
||
<taxonomicName id="C22570B5847C0CDE47ECC252FD85D823" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops rykyuensis" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="rykyuensis">Metacyclops rykyuensis</taxonomicName>
|
||
, Ishigaki Island, is located 240 km east of Taiwan), constituted a volcanic arc on the margin of the Asian continent (China) and separated from the Chinese mainland by the opening of Okinawa trough 1.55 million years ago (Osozawa 2013). Hence the geological history would support strong faunal relationships between subtropical Asia and the Ryukyus (see also
|
||
<bibRefCitation id="DA93E41A463B1546942D146851315176" author="Bănărescu, P" journalOrPublisher="AULA-Verlag, Wiesbaden" pageId="6" pageNumber="147" pagination="396 - 974" title="Distribution and Dispersal of Freshwater Animals in North America and Eurasia" year="1992">
|
||
<normalizedToken id="AA85BAD1150A96B10C7F93D9AB336A77" originalValue="Bănărescu">Bănărescu</normalizedToken>
|
||
1992
|
||
</bibRefCitation>
|
||
), and might suggest divergence of the ancestors of these
|
||
<taxonomicName id="8166521BD0E195EF2C72A5029B03FB3D" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="genus">Metacyclops</taxonomicName>
|
||
species not earlier than 1.55 million years ago.
|
||
</paragraph>
|
||
<caption id="B8F7FC9C06B658E87A3D6E55534C69E4" pageId="5" pageNumber="146">
|
||
<paragraph id="A3DE9CD2A9F0652658B700872BA4B647" pageId="5" pageNumber="146">
|
||
Figure 5. Records of
|
||
<taxonomicName id="B5CD168EA667E46CD5DFB87D3A62EF09" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops amicitiae" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="amicitiae">Metacyclops amicitiae</taxonomicName>
|
||
sp. n. (
|
||
<normalizedToken id="0064B5529AEB7C3313283BD9EF899A76" originalValue="•">*</normalizedToken>
|
||
) in North Vietnam and its presumed closest relative
|
||
<taxonomicName id="428D9819E2DCA778250B1D63C1EAF77F" class="Copepoda" family="Cyclopidae" genus="Metacyclops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metacyclops ryukyuensis" order="Cyclopoida" pageId="5" pageNumber="146" phylum="Arthropoda" rank="species" species="ryukyuensis">Metacyclops ryukyuensis</taxonomicName>
|
||
(*) in Japan (Archipelago Ryukyu: Ishigaki Island).
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |