194 lines
33 KiB
XML
194 lines
33 KiB
XML
<document id="558313629A3E378F9AD7B90F889EA3F0" ID-CLB-Dataset="37321" ID-DOI="10.11646/zootaxa.4209.1.1" ID-GBIF-Dataset="2de5b7bf-3975-458a-b200-07ec69f4e013" ID-ISSN="1175-5326" ID-Zenodo-Dep="272646" ID-ZooBank="849BAB5C-464A-4B4A-A586-5742411EDC01" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1484407904318" checkinUser="plazi" docAuthor="Ng, Peter K. L. & Castro, Peter" docDate="2016" docId="F16BFB33FFF9FFA0FF6AF951FC2FFD3D" docLanguage="en" docName="zootaxa.4209.1.1.pdf.imf" docOrigin="Zootaxa 4209 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Megaesthesius westralia Davie 2013" docType="treatment" docVersion="8" lastPageNumber="92" masterDocId="0D52834BFFA3FFFBFFFDFFD1FFCDFFB9" masterDocTitle="Revision of the family Chasmocarcinidae Serène, 1964 (Crustacea, Brachyura, Goneplacoidea)" masterLastPageNumber="182" masterPageNumber="1" pageNumber="91" updateTime="1698435566492" updateUser="ExternalLinkService">
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<mods:mods id="A3A4F6CBB58AD349B9DBEF008D4C6D1E" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="52AF6DE4E1BCB71B43DA86C5EC2E4680">
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<mods:title id="E78D010386B0401282213981219B71AE">Revision of the family Chasmocarcinidae Serène, 1964 (Crustacea, Brachyura, Goneplacoidea)</mods:title>
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<mods:name id="07AA2C531678B5D275EC286E3636AB32" type="personal">
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<mods:namePart id="1498ED5846158D04B1A83672FB21BD3B">Ng, Peter K. L.</mods:namePart>
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<mods:name id="BD53F071860ADA2C3840915F0FB6A766" type="personal">
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<mods:roleTerm id="5DDE4EBCC7A6921C4649CC97753392A5">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="D776A9F920F8C0F3CC1A9F57EF69FBE5">Castro, Peter</mods:namePart>
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<mods:typeOfResource id="2A8C6D457D441124EBD9C3A74A1002D6">text</mods:typeOfResource>
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<mods:title id="EA9D82255D37421C484F77482B9A759F">Zootaxa</mods:title>
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<mods:part id="A899DFD9C8BDB7D9EA53C308F673BF75">
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<mods:date id="D01CAC4434ECE328085B887CC4CF7B3F">2016</mods:date>
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<mods:number id="8B709B49D2AC4451F8CB6B7F84EB0B3B">4209</mods:number>
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<mods:detail id="B05F433E1A12F69D4C6B746779322117" type="issue">
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<mods:number id="7AC700BB6E1E300AC27E08EFF89481D5">1</mods:number>
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<mods:identifier id="668AFFC9B8B4CA2E8DD076CA16E74A78" type="DOI">10.11646/zootaxa.4209.1.1</mods:identifier>
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<treatment id="F16BFB33FFF9FFA0FF6AF951FC2FFD3D" ID-DOI="http://doi.org/10.5281/zenodo.5617235" ID-GBIF-Taxon="127419538" ID-Zenodo-Dep="5617235" LSID="urn:lsid:plazi:treatment:F16BFB33FFF9FFA0FF6AF951FC2FFD3D" httpUri="http://treatment.plazi.org/id/F16BFB33FFF9FFA0FF6AF951FC2FFD3D" lastPageId="91" lastPageNumber="92" pageId="90" pageNumber="91">
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<subSubSection id="31D819AEFFF9FFA1FF6AF951FE1AF902" pageId="90" pageNumber="91" type="nomenclature">
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<paragraph id="797D4A25FFF9FFA1FF6AF951FD98F923" blockId="90.[151,597,1664,1723]" box="[151,597,1664,1690]" pageId="90" pageNumber="91">
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<heading id="2235FD49FFF9FFA1FF6AF951FD98F923" bold="true" box="[151,597,1664,1690]" fontSize="11" level="1" pageId="90" pageNumber="91" reason="1">
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<taxonomicName id="BEC231A6FFF9FFA1FF6AF951FD98F923" ID-CoL="3YTN2" authority="Davie, 2013" authorityName="Davie" authorityYear="2013" box="[151,597,1664,1690]" class="Malacostraca" family="Chasmocarcinidae" genus="Megaesthesius" kingdom="Animalia" order="Decapoda" pageId="90" pageNumber="91" phylum="Arthropoda" rank="species" species="westralia">
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<emphasis id="4BB69637FFF9FFA1FF6AF951FD98F923" bold="true" box="[151,597,1664,1690]" pageId="90" pageNumber="91">
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<emphasis id="4BB69637FFF9FFA1FF6AF951FE70F923" bold="true" box="[151,445,1664,1690]" italics="true" pageId="90" pageNumber="91">Megaesthesius westralia</emphasis>
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Davie, 2013
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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<paragraph id="797D4A25FFF9FFA1FF6AF973FE1AF902" blockId="90.[151,597,1664,1723]" box="[151,471,1698,1723]" pageId="90" pageNumber="91">
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(
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<figureCitation id="E1F956A0FFF9FFA1FF62F973FF34F902" box="[159,249,1698,1723]" captionStart="FIGURE 19" captionStartId="92.[151,250,1665,1687]" captionTargetBox="[203,1371,195,1618]" captionTargetId="figure@92.[203,1371,195,1632]" captionTargetPageId="92" captionText="FIGURE 19. Species of Megaesthesius and Alainthesius n. gen. A, B, Megaesthesius sagedae, Singapore: male 2.5 × 3.0 mm (ZRC 1995.883); C ‒ F, Megaesthesius yokoyai (after Takeda & Miyake 1969 a: figs. 3 a, 4 f, 4 a, 4 e, respectively); G ‒ L, Alainthesius signatus n. sp., Madagascar: holotype male 2.5 × 3.3 mm (MNHN-IU- 2013 - 9472) (after Crosnier 1975: fig. 1 a, 1 k, 1 j, 1 b, 1 c, 1 i, respectively); M ‒ R, Megaesthesius westralia, Australia: holotype male 3.4 × 3.8 mm (after Davie 2013: figs. 1 A, B, 2 A, D, E, 3 E); S, W, Megaesthesius sagedae, Singapore: male 2.5 × 3.0 mm (ZRC 1995.885); T, X, Megaesthesius migmus n. sp., Philippines: holotype male 4.4 × 4.9 mm (NMCR); U, Y, Alainthesius bertrandi n. sp., New Caledonia: holotype male 3.3 × 4.1 mm (MNHN-IU- 2013 - 9073); V, Alainthesius bertrandi n. sp., Papua New Guinea: female 5.6 × 6.9 mm (MNHN-IU- 2013 - 9012). A, overall habitus; B, C, G, M, dorsal view of carapace; E, left P 4; F, I, frontal view of cephalothorax; H, O, frontal and anterolateral margin of carapace; N, ventral view of cephalothorax; J, right P 3; K, buccal cavity and posterior margin of epistome; Q, right P 4; R, right P 5; D, L, P, male pleon; S ‒ V, posterior margin of epistome; W ‒ Y, left thoracic sternites 7 and 8, “ supplementary plate ”, penis tube and penis. Abbreviations: cx 4 = coxa of P 4; cx 5 = coxa of P 5; p = penis; pt = calcified penis tube; sp = “ supplementary plate ”; st 7 = thoracic sternite 7; st 8 = thoracic sternite 8." httpUri="https://zenodo.org/record/272665/files/figure.png" pageId="90" pageNumber="91">Figs. 19</figureCitation>
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M–R; 34C; 82J–M)
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</paragraph>
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</subSubSection>
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<subSubSection id="31D819AEFFF9FFA1FF6AF93BFB9FF8A6" pageId="90" pageNumber="91" type="reference_group">
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<paragraph id="797D4A25FFF9FFA1FF6AF93BFBF1F8B9" blockId="90.[151,1106,1770,1823]" box="[151,1084,1770,1792]" pageId="90" pageNumber="91">
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<taxonomicName id="BEC231A6FFF9FFA1FF6AF93BFE48F8B9" ID-CoL="3YTMZ" box="[151,389,1770,1792]" class="Malacostraca" family="Chasmocarcinidae" genus="Megaesthesius" kingdom="Animalia" order="Decapoda" pageId="90" pageNumber="91" phylum="Arthropoda" rank="species" species="sagedae">
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<emphasis id="4BB69637FFF9FFA1FF6AF93BFE48F8B9" box="[151,389,1770,1792]" italics="true" pageId="90" pageNumber="91">Megaesthesius sagedae</emphasis>
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</taxonomicName>
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—Poore
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<emphasis id="4BB69637FFF9FFA1FE1DF93AFDDEF8B9" box="[480,531,1770,1792]" italics="true" pageId="90" pageNumber="91">et al.</emphasis>
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2008: 46. Not
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<taxonomicName id="BEC231A6FFF9FFA1FD56F93BFBF5F8B9" ID-CoL="3YTMZ" authority="Rathbun, 1909" authorityName="Rathbun" authorityYear="1909" box="[683,1080,1770,1792]" class="Malacostraca" family="Chasmocarcinidae" genus="Megaesthesius" kingdom="Animalia" order="Decapoda" pageId="90" pageNumber="91" phylum="Arthropoda" rank="species" species="sagedae">
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<emphasis id="4BB69637FFF9FFA1FD56F93BFC54F8B9" box="[683,921,1770,1792]" italics="true" pageId="90" pageNumber="91">Megaesthesius sagedae</emphasis>
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<bibRefCitation id="1D5337D4FFF9FFA1FC5DF93BFBF5F8B9" author="Rathbun" box="[928,1080,1770,1792]" pageId="90" pageNumber="91" refString="Rathbun, M. J. (1909) New crabs from the Gulf of Siam. Proceedings of the Biological Society of Washington, 22, 107 - 114." type="journal article" year="1909">Rathbun, 1909</bibRefCitation>
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</taxonomicName>
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.
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</paragraph>
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<paragraph id="797D4A25FFF9FFA1FF6AF8D8FB9FF8A6" blockId="90.[151,1106,1770,1823]" box="[151,1106,1801,1823]" pageId="90" pageNumber="91">
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<materialsCitation id="C9AA4078FFF9FFA1FF6AF8D8FB9FF8A6" ID-GBIF-Occurrence="1424726213" box="[151,1106,1801,1823]" location="Western Australia" pageId="90" pageNumber="91" specimenCount="1" stateProvince="Western Australia" typeStatus="holotype">
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<taxonomicName id="BEC231A6FFF9FFA1FF6AF8D8FD84F8A6" ID-CoL="3YTN2" authority="Davie, 2013: 470" authorityName="Davie" authorityPageNumber="470" authorityYear="2013" box="[151,585,1801,1823]" class="Malacostraca" family="Chasmocarcinidae" genus="Megaesthesius" kingdom="Animalia" order="Decapoda" pageId="90" pageNumber="91" phylum="Arthropoda" rank="species" species="westralia">
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<emphasis id="4BB69637FFF9FFA1FF6AF8D8FE5DF8A6" box="[151,400,1801,1823]" italics="true" pageId="90" pageNumber="91">Megaesthesius westralia</emphasis>
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Davie, 2013: 470
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</taxonomicName>
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, figs. 1, 2, 3A‒E [
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<typeStatus id="A679F487FFF9FFA1FD02F8DBFCE0F8A6" box="[767,813,1802,1823]" pageId="90" pageNumber="91">type</typeStatus>
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locality:
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<collectingRegion id="BB0684C7FFF9FFA1FC70F8DBFB85F8A6" box="[909,1096,1801,1823]" country="Australia" name="Western Australia" pageId="90" pageNumber="91">
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<collectingRegion id="BB0684C7FFF9FFA1FC70F8DBFC12F8A6" box="[909,991,1802,1823]" country="Solomon Islands" name="Western" pageId="90" pageNumber="91">Western</collectingRegion>
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Australia
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</collectingRegion>
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].
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</materialsCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="31D819AEFFF9FFA1FF6AF89DFB32F831" pageId="90" pageNumber="91" type="materials_examined">
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<paragraph id="797D4A25FFF9FFA1FF6AF89DFB32F831" blockId="90.[151,1437,1868,2037]" pageId="90" pageNumber="91">
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<materialsCitation id="C9AA4078FFF9FFA1FF6AF89DFB32F831" ID-GBIF-Occurrence="1424726214" collectingDate="2005-10-12" collectionCode="NMV" country="Australia" county="Ningaloo" elevation="104" latitude="-22.066668" location="Sherman" longLatPrecision="12" longitude="113.80666" municipality="Southern Surveyor" pageId="90" pageNumber="91" specimenCount="2" stateProvince="Western Australia" typeStatus="holotype">
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<emphasis id="4BB69637FFF9FFA1FF6AF89DFE89F8DC" bold="true" box="[151,324,1868,1893]" pageId="90" pageNumber="91">
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<typeStatus id="A679F487FFF9FFA1FF6AF89DFF1FF8DC" box="[151,210,1868,1893]" pageId="90" pageNumber="91">Type</typeStatus>
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material
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</emphasis>
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.
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<typeStatus id="A679F487FFF9FFA1FEA5F89DFE0DF8DC" box="[344,448,1868,1893]" pageId="90" pageNumber="91" type="holotype">Holotype</typeStatus>
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male (3.4 ×
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<quantity id="BE3AE7C0FFF9FFA1FD95F89DFD08F8DD" box="[616,709,1868,1892]" metricMagnitude="-3" metricUnit="m" metricValue="3.8" pageId="90" pageNumber="91" unit="mm" value="3.8">3.8 mm</quantity>
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) (
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<collectionCode id="1FD3D2E0FFF9FFA1FD1FF89DFCE8F8DD" box="[738,805,1868,1892]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="90" pageNumber="91">NMV</collectionCode>
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<accessionNumber id="6691D7C6FFF9FFA1FCCEF89DFC45F8DC" box="[819,904,1868,1893]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/J54597" pageId="90" pageNumber="91" type="EnaNcbi">J54597</accessionNumber>
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),
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<collectingCountry id="01D50AB5FFF9FFA1FC5CF89DFBC6F8DC" box="[929,1035,1868,1893]" name="Australia" pageId="90" pageNumber="91">Australia</collectingCountry>
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,
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<collectingRegion id="BB0684C7FFF9FFA1FBE1F89CFB23F8DC" box="[1052,1262,1868,1893]" country="Australia" name="Western Australia" pageId="90" pageNumber="91">
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<collectingRegion id="BB0684C7FFF9FFA1FBE1F89CFBBAF8DD" box="[1052,1143,1869,1892]" country="Solomon Islands" name="Western" pageId="90" pageNumber="91">Western</collectingRegion>
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Australia
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</collectingRegion>
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, off
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<collectingCounty id="901C32A9FFF9FFA1FAD0F89DFA55F8DC" box="[1325,1432,1868,1893]" pageId="90" pageNumber="91">Ningaloo</collectingCounty>
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,
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<collectingMunicipality id="9919D05FFFF9FFA1FF6AF8BEFEAAF83E" box="[151,359,1903,1928]" pageId="90" pageNumber="91">
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<emphasis id="4BB69637FFF9FFA1FF6AF8BEFEAAF83E" box="[151,359,1903,1928]" italics="true" pageId="90" pageNumber="91">Southern Surveyor</emphasis>
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</collectingMunicipality>
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, stn SS10-2005,
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<geoCoordinate id="1CF62CE2FFF9FFA1FDDAF8A1FD65F831" box="[551,680,1904,1928]" direction="south" orientation="latitude" pageId="90" pageNumber="91" precision="9" value="-22.066668">22°04.00’S</geoCoordinate>
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,
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<geoCoordinate id="1CF62CE2FFF9FFA1FD49F8A1FC8DF831" box="[692,832,1904,1928]" direction="east" orientation="longitude" pageId="90" pageNumber="91" precision="9" value="113.80666">113°48.40'E</geoCoordinate>
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,
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<location id="7C1D1CFEFFF9FFA1FCB6F8BEFC62F831" LSID="urn:lsid:plazi:treatment:F16BFB33FFF9FFA0FF6AF951FC2FFD3D:7C1D1CFEFFF9FFA1FCB6F8BEFC62F831" box="[843,943,1903,1928]" country="Australia" county="Ningaloo" latitude="-22.066668" longLatPrecision="12" longitude="113.80666" municipality="Southern Surveyor" name="Sherman" pageId="90" pageNumber="91" stateProvince="Western Australia">Sherman</location>
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sled,
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<elevation id="F2EFAD16FFF9FFA1FC0CF8BEFBA0F83E" box="[1009,1133,1903,1928]" metricMagnitude="2" metricUnit="m" metricValue="1.035" metricValueMax="1.06" metricValueMin="1.01" pageId="90" pageNumber="91" unit="m" value="103.5" valueMax="106.0" valueMin="101.0">
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<quantity id="BE3AE7C0FFF9FFA1FC0CF8BEFBA0F83E" box="[1009,1133,1903,1928]" metricMagnitude="2" metricUnit="m" metricValue="1.035" metricValueMax="1.06" metricValueMin="1.01" pageId="90" pageNumber="91" unit="m" value="103.5" valueMax="106.0" valueMin="101.0">101-106 m</quantity>
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</elevation>
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,
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<collectingDate id="1D38950DFFF9FFA1FB84F8BEFB36F831" box="[1145,1275,1903,1928]" pageId="90" pageNumber="91" value="2005-10-12">
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<date id="0D7C6CE5FFF9FFA1FB84F8BEFB36F831" box="[1145,1275,1903,1928]" pageId="90" pageNumber="91" value="2005-10-12">10.12.2005</date>
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||
</collectingDate>
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||
.
|
||
</materialsCitation>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="31D819AEFFF9FFA0FF3AF845FA5DFE4C" lastPageId="91" lastPageNumber="92" pageId="90" pageNumber="91" type="diagnosis">
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<paragraph id="797D4A25FFF9FFA0FF3AF845FA5DFE4C" blockId="90.[151,1437,1868,2037]" lastBlockId="91.[151,1437,151,645]" lastPageId="91" lastPageNumber="92" pageId="90" pageNumber="91">
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||
<emphasis id="4BB69637FFF9FFA1FF3AF845FEF7F814" bold="true" box="[199,314,1940,1965]" pageId="90" pageNumber="91">Diagnosis</emphasis>
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. Carapace (
|
||
<figureCitation id="E1F956A0FFF9FFA1FE3DF845FDDCF815" box="[448,529,1940,1965]" captionStart="FIGURE 19" captionStartId="92.[151,250,1665,1687]" captionTargetBox="[203,1371,195,1618]" captionTargetId="figure@92.[203,1371,195,1632]" captionTargetPageId="92" captionText="FIGURE 19. Species of Megaesthesius and Alainthesius n. gen. A, B, Megaesthesius sagedae, Singapore: male 2.5 × 3.0 mm (ZRC 1995.883); C ‒ F, Megaesthesius yokoyai (after Takeda & Miyake 1969 a: figs. 3 a, 4 f, 4 a, 4 e, respectively); G ‒ L, Alainthesius signatus n. sp., Madagascar: holotype male 2.5 × 3.3 mm (MNHN-IU- 2013 - 9472) (after Crosnier 1975: fig. 1 a, 1 k, 1 j, 1 b, 1 c, 1 i, respectively); M ‒ R, Megaesthesius westralia, Australia: holotype male 3.4 × 3.8 mm (after Davie 2013: figs. 1 A, B, 2 A, D, E, 3 E); S, W, Megaesthesius sagedae, Singapore: male 2.5 × 3.0 mm (ZRC 1995.885); T, X, Megaesthesius migmus n. sp., Philippines: holotype male 4.4 × 4.9 mm (NMCR); U, Y, Alainthesius bertrandi n. sp., New Caledonia: holotype male 3.3 × 4.1 mm (MNHN-IU- 2013 - 9073); V, Alainthesius bertrandi n. sp., Papua New Guinea: female 5.6 × 6.9 mm (MNHN-IU- 2013 - 9012). A, overall habitus; B, C, G, M, dorsal view of carapace; E, left P 4; F, I, frontal view of cephalothorax; H, O, frontal and anterolateral margin of carapace; N, ventral view of cephalothorax; J, right P 3; K, buccal cavity and posterior margin of epistome; Q, right P 4; R, right P 5; D, L, P, male pleon; S ‒ V, posterior margin of epistome; W ‒ Y, left thoracic sternites 7 and 8, “ supplementary plate ”, penis tube and penis. Abbreviations: cx 4 = coxa of P 4; cx 5 = coxa of P 5; p = penis; pt = calcified penis tube; sp = “ supplementary plate ”; st 7 = thoracic sternite 7; st 8 = thoracic sternite 8." httpUri="https://zenodo.org/record/272665/files/figure.png" pageId="90" pageNumber="91">Fig. 19</figureCitation>
|
||
M; Davie 2013: fig. 1A, B) subquadrate, 1.1 wider than long; front bilobed, with deep median cleft; dorsal surface with low, spherical tubercles. Lateral margins straight, parallel to each other, each with 4 teeth (last as large tubercle) separated by deep notches. Long orbits, eye peduncle elongated (
|
||
<figureCitation id="E1F956A0FFF9FFA1FAD9F80DFAB5F84D" box="[1316,1400,2012,2037]" captionStart="FIGURE 19" captionStartId="92.[151,250,1665,1687]" captionTargetBox="[203,1371,195,1618]" captionTargetId="figure@92.[203,1371,195,1632]" captionTargetPageId="92" captionText="FIGURE 19. Species of Megaesthesius and Alainthesius n. gen. A, B, Megaesthesius sagedae, Singapore: male 2.5 × 3.0 mm (ZRC 1995.883); C ‒ F, Megaesthesius yokoyai (after Takeda & Miyake 1969 a: figs. 3 a, 4 f, 4 a, 4 e, respectively); G ‒ L, Alainthesius signatus n. sp., Madagascar: holotype male 2.5 × 3.3 mm (MNHN-IU- 2013 - 9472) (after Crosnier 1975: fig. 1 a, 1 k, 1 j, 1 b, 1 c, 1 i, respectively); M ‒ R, Megaesthesius westralia, Australia: holotype male 3.4 × 3.8 mm (after Davie 2013: figs. 1 A, B, 2 A, D, E, 3 E); S, W, Megaesthesius sagedae, Singapore: male 2.5 × 3.0 mm (ZRC 1995.885); T, X, Megaesthesius migmus n. sp., Philippines: holotype male 4.4 × 4.9 mm (NMCR); U, Y, Alainthesius bertrandi n. sp., New Caledonia: holotype male 3.3 × 4.1 mm (MNHN-IU- 2013 - 9073); V, Alainthesius bertrandi n. sp., Papua New Guinea: female 5.6 × 6.9 mm (MNHN-IU- 2013 - 9012). A, overall habitus; B, C, G, M, dorsal view of carapace; E, left P 4; F, I, frontal view of cephalothorax; H, O, frontal and anterolateral margin of carapace; N, ventral view of cephalothorax; J, right P 3; K, buccal cavity and posterior margin of epistome; Q, right P 4; R, right P 5; D, L, P, male pleon; S ‒ V, posterior margin of epistome; W ‒ Y, left thoracic sternites 7 and 8, “ supplementary plate ”, penis tube and penis. Abbreviations: cx 4 = coxa of P 4; cx 5 = coxa of P 5; p = penis; pt = calcified penis tube; sp = “ supplementary plate ”; st 7 = thoracic sternite 7; st 8 = thoracic sternite 8." httpUri="https://zenodo.org/record/272665/files/figure.png" pageId="90" pageNumber="91">Fig. 19</figureCitation>
|
||
O); Davie 2013: fig. 2A, B), immobile, cornea reduced, non-pigmented. Antennule greatly enlarged (
|
||
<figureCitation id="E1F956A0FFF8FFA0FAFBFF46FA97FF09" box="[1286,1370,151,176]" captionStart="FIGURE 19" captionStartId="92.[151,250,1665,1687]" captionTargetBox="[203,1371,195,1618]" captionTargetId="figure@92.[203,1371,195,1632]" captionTargetPageId="92" captionText="FIGURE 19. Species of Megaesthesius and Alainthesius n. gen. A, B, Megaesthesius sagedae, Singapore: male 2.5 × 3.0 mm (ZRC 1995.883); C ‒ F, Megaesthesius yokoyai (after Takeda & Miyake 1969 a: figs. 3 a, 4 f, 4 a, 4 e, respectively); G ‒ L, Alainthesius signatus n. sp., Madagascar: holotype male 2.5 × 3.3 mm (MNHN-IU- 2013 - 9472) (after Crosnier 1975: fig. 1 a, 1 k, 1 j, 1 b, 1 c, 1 i, respectively); M ‒ R, Megaesthesius westralia, Australia: holotype male 3.4 × 3.8 mm (after Davie 2013: figs. 1 A, B, 2 A, D, E, 3 E); S, W, Megaesthesius sagedae, Singapore: male 2.5 × 3.0 mm (ZRC 1995.885); T, X, Megaesthesius migmus n. sp., Philippines: holotype male 4.4 × 4.9 mm (NMCR); U, Y, Alainthesius bertrandi n. sp., New Caledonia: holotype male 3.3 × 4.1 mm (MNHN-IU- 2013 - 9073); V, Alainthesius bertrandi n. sp., Papua New Guinea: female 5.6 × 6.9 mm (MNHN-IU- 2013 - 9012). A, overall habitus; B, C, G, M, dorsal view of carapace; E, left P 4; F, I, frontal view of cephalothorax; H, O, frontal and anterolateral margin of carapace; N, ventral view of cephalothorax; J, right P 3; K, buccal cavity and posterior margin of epistome; Q, right P 4; R, right P 5; D, L, P, male pleon; S ‒ V, posterior margin of epistome; W ‒ Y, left thoracic sternites 7 and 8, “ supplementary plate ”, penis tube and penis. Abbreviations: cx 4 = coxa of P 4; cx 5 = coxa of P 5; p = penis; pt = calcified penis tube; sp = “ supplementary plate ”; st 7 = thoracic sternite 7; st 8 = thoracic sternite 8." httpUri="https://zenodo.org/record/272665/files/figure.png" pageId="91" pageNumber="92">Fig. 19</figureCitation>
|
||
N, O; Davie 2013: fig. 1), particularly in males. Third maxillipeds (
|
||
<figureCitation id="E1F956A0FFF8FFA0FC9EFF6DFC74FF6D" box="[867,953,188,213]" captionStart="FIGURE 34" captionStartId="107.[151,250,1457,1479]" captionTargetBox="[188,1388,200,1429]" captionTargetId="figure@107.[151,1436,193,1456]" captionTargetPageId="107" captionText="FIGURE 34. Third maxilliped of species of Megaesthesius and Alainthesius n. gen. A, Megaesthesius sagedae, Singapore: male 2.5 × 3.0 mm (ZRC 1995.885); B, Megaesthesius yokoyai, Japan: male 3.5 × 3.8 mm (after Takeda & Miyake 1969: fig. 4 c); C, Megaethesius westralia, Australia: holotype male 3.4 × 3.8 mm (after Davie 2013: fig. 2 C); D, Megaesthesius migmus n. sp., Philippines: paratype female 4.6 × 5.2 mm (ZRC 2015.243); E, Alainthesius signatus n. sp., Madagascar: holotype male 2.5 × 3.3 mm (after Crosnier 1975: fig. 1 e); F, Alainthesius bertrandi n. sp., New Caledonia: holotype male 3.3 × 4.1 mm (MNHN-IU- 2013 - 9073). Scales = 0.5 mm." httpUri="https://zenodo.org/record/272680/files/figure.png" pageId="91" pageNumber="92">Fig. 34</figureCitation>
|
||
C; Davie 2013: fig. 2C) nearly fill buccal cavern when closed; merus subtriangular, outer margin with small teeth; ischium subquadrate, outer margin with small teeth, about same size as merus; outer margins of merus, ischium with small spines. Chelipeds unknown. Proportionally short ambulatory legs (
|
||
<figureCitation id="E1F956A0FFF8FFA0FDBBFEF6FD5AFEF9" box="[582,663,295,320]" captionStart="FIGURE 19" captionStartId="92.[151,250,1665,1687]" captionTargetBox="[203,1371,195,1618]" captionTargetId="figure@92.[203,1371,195,1632]" captionTargetPageId="92" captionText="FIGURE 19. Species of Megaesthesius and Alainthesius n. gen. A, B, Megaesthesius sagedae, Singapore: male 2.5 × 3.0 mm (ZRC 1995.883); C ‒ F, Megaesthesius yokoyai (after Takeda & Miyake 1969 a: figs. 3 a, 4 f, 4 a, 4 e, respectively); G ‒ L, Alainthesius signatus n. sp., Madagascar: holotype male 2.5 × 3.3 mm (MNHN-IU- 2013 - 9472) (after Crosnier 1975: fig. 1 a, 1 k, 1 j, 1 b, 1 c, 1 i, respectively); M ‒ R, Megaesthesius westralia, Australia: holotype male 3.4 × 3.8 mm (after Davie 2013: figs. 1 A, B, 2 A, D, E, 3 E); S, W, Megaesthesius sagedae, Singapore: male 2.5 × 3.0 mm (ZRC 1995.885); T, X, Megaesthesius migmus n. sp., Philippines: holotype male 4.4 × 4.9 mm (NMCR); U, Y, Alainthesius bertrandi n. sp., New Caledonia: holotype male 3.3 × 4.1 mm (MNHN-IU- 2013 - 9073); V, Alainthesius bertrandi n. sp., Papua New Guinea: female 5.6 × 6.9 mm (MNHN-IU- 2013 - 9012). A, overall habitus; B, C, G, M, dorsal view of carapace; E, left P 4; F, I, frontal view of cephalothorax; H, O, frontal and anterolateral margin of carapace; N, ventral view of cephalothorax; J, right P 3; K, buccal cavity and posterior margin of epistome; Q, right P 4; R, right P 5; D, L, P, male pleon; S ‒ V, posterior margin of epistome; W ‒ Y, left thoracic sternites 7 and 8, “ supplementary plate ”, penis tube and penis. Abbreviations: cx 4 = coxa of P 4; cx 5 = coxa of P 5; p = penis; pt = calcified penis tube; sp = “ supplementary plate ”; st 7 = thoracic sternite 7; st 8 = thoracic sternite 8." httpUri="https://zenodo.org/record/272665/files/figure.png" pageId="91" pageNumber="92">Fig. 19</figureCitation>
|
||
Q, R; Davie 2013: fig. 2D, E), dorsal, ventral margins of meri of P4 with minute teeth. Fused thoracic sternites 1, 2 (
|
||
<figureCitation id="E1F956A0FFF8FFA0FD50FE9DFD33FEDD" box="[685,766,332,357]" captionStart="FIGURE 19" captionStartId="92.[151,250,1665,1687]" captionTargetBox="[203,1371,195,1618]" captionTargetId="figure@92.[203,1371,195,1632]" captionTargetPageId="92" captionText="FIGURE 19. Species of Megaesthesius and Alainthesius n. gen. A, B, Megaesthesius sagedae, Singapore: male 2.5 × 3.0 mm (ZRC 1995.883); C ‒ F, Megaesthesius yokoyai (after Takeda & Miyake 1969 a: figs. 3 a, 4 f, 4 a, 4 e, respectively); G ‒ L, Alainthesius signatus n. sp., Madagascar: holotype male 2.5 × 3.3 mm (MNHN-IU- 2013 - 9472) (after Crosnier 1975: fig. 1 a, 1 k, 1 j, 1 b, 1 c, 1 i, respectively); M ‒ R, Megaesthesius westralia, Australia: holotype male 3.4 × 3.8 mm (after Davie 2013: figs. 1 A, B, 2 A, D, E, 3 E); S, W, Megaesthesius sagedae, Singapore: male 2.5 × 3.0 mm (ZRC 1995.885); T, X, Megaesthesius migmus n. sp., Philippines: holotype male 4.4 × 4.9 mm (NMCR); U, Y, Alainthesius bertrandi n. sp., New Caledonia: holotype male 3.3 × 4.1 mm (MNHN-IU- 2013 - 9073); V, Alainthesius bertrandi n. sp., Papua New Guinea: female 5.6 × 6.9 mm (MNHN-IU- 2013 - 9012). A, overall habitus; B, C, G, M, dorsal view of carapace; E, left P 4; F, I, frontal view of cephalothorax; H, O, frontal and anterolateral margin of carapace; N, ventral view of cephalothorax; J, right P 3; K, buccal cavity and posterior margin of epistome; Q, right P 4; R, right P 5; D, L, P, male pleon; S ‒ V, posterior margin of epistome; W ‒ Y, left thoracic sternites 7 and 8, “ supplementary plate ”, penis tube and penis. Abbreviations: cx 4 = coxa of P 4; cx 5 = coxa of P 5; p = penis; pt = calcified penis tube; sp = “ supplementary plate ”; st 7 = thoracic sternite 7; st 8 = thoracic sternite 8." httpUri="https://zenodo.org/record/272665/files/figure.png" pageId="91" pageNumber="92">Fig. 19</figureCitation>
|
||
P; Davie 2013: fig. 1B, C) broadly triangular, proportionally broad, short. Male pleon (
|
||
<figureCitation id="E1F956A0FFF8FFA0FE45FEBEFDC7FE31" box="[440,522,367,392]" captionStart="FIGURE 19" captionStartId="92.[151,250,1665,1687]" captionTargetBox="[203,1371,195,1618]" captionTargetId="figure@92.[203,1371,195,1632]" captionTargetPageId="92" captionText="FIGURE 19. Species of Megaesthesius and Alainthesius n. gen. A, B, Megaesthesius sagedae, Singapore: male 2.5 × 3.0 mm (ZRC 1995.883); C ‒ F, Megaesthesius yokoyai (after Takeda & Miyake 1969 a: figs. 3 a, 4 f, 4 a, 4 e, respectively); G ‒ L, Alainthesius signatus n. sp., Madagascar: holotype male 2.5 × 3.3 mm (MNHN-IU- 2013 - 9472) (after Crosnier 1975: fig. 1 a, 1 k, 1 j, 1 b, 1 c, 1 i, respectively); M ‒ R, Megaesthesius westralia, Australia: holotype male 3.4 × 3.8 mm (after Davie 2013: figs. 1 A, B, 2 A, D, E, 3 E); S, W, Megaesthesius sagedae, Singapore: male 2.5 × 3.0 mm (ZRC 1995.885); T, X, Megaesthesius migmus n. sp., Philippines: holotype male 4.4 × 4.9 mm (NMCR); U, Y, Alainthesius bertrandi n. sp., New Caledonia: holotype male 3.3 × 4.1 mm (MNHN-IU- 2013 - 9073); V, Alainthesius bertrandi n. sp., Papua New Guinea: female 5.6 × 6.9 mm (MNHN-IU- 2013 - 9012). A, overall habitus; B, C, G, M, dorsal view of carapace; E, left P 4; F, I, frontal view of cephalothorax; H, O, frontal and anterolateral margin of carapace; N, ventral view of cephalothorax; J, right P 3; K, buccal cavity and posterior margin of epistome; Q, right P 4; R, right P 5; D, L, P, male pleon; S ‒ V, posterior margin of epistome; W ‒ Y, left thoracic sternites 7 and 8, “ supplementary plate ”, penis tube and penis. Abbreviations: cx 4 = coxa of P 4; cx 5 = coxa of P 5; p = penis; pt = calcified penis tube; sp = “ supplementary plate ”; st 7 = thoracic sternite 7; st 8 = thoracic sternite 8." httpUri="https://zenodo.org/record/272665/files/figure.png" pageId="91" pageNumber="92">Fig. 19</figureCitation>
|
||
P; Davie 2013: fig. 3E) with lateral margins of somite 6, fused somites 3–5 nearly straight; postero-lateral regions slightly swollen; telson proportionally short. G1 (
|
||
<figureCitation id="E1F956A0FFF8FFA0FBD8FE45FBBBFE15" box="[1061,1142,404,429]" captionStart="FIGURE 82" captionStartId="155.[151,250,1823,1845]" captionTargetBox="[177,1417,213,1802]" captionTargetId="figure@155.[151,1436,193,1802]" captionTargetPageId="155" captionText="FIGURE 82. Gonopods of species of Megaesthesius. A ‒ C, M. sagedae, Singapore: male 2.5 × 3.0 mm (ZRC 1995.885); D ‒ F, M. migmus n. sp., Philippines: holotype male 4.4 × 4.9 mm (NMCR); G ‒ I, M. yokoyai, Japan: male 3.5 × 3.8 mm (after Takeda & Miyake 1969: fig. 4 h, i); J ‒ M, M. westralia, Australia: holotype male 3.4 × 3.8 mm (after Davie 2013: fig. 3 A ‒ D). A, D, G, H, J, K, ventral view of left G 1; B, E, I, K, L, dorsal view of left G 1; C, F, M, left G 2. Scales = 0.1 mm." httpUri="https://zenodo.org/record/272728/files/figure.png" pageId="91" pageNumber="92">Fig. 82</figureCitation>
|
||
J–L; Davie 2013: fig. 3A– C) slender, distal segment straight, with spinules, apex slanted. G2 (
|
||
<figureCitation id="E1F956A0FFF8FFA0FC6EFE66FC28FE69" box="[915,997,439,464]" captionStart="FIGURE 82" captionStartId="155.[151,250,1823,1845]" captionTargetBox="[177,1417,213,1802]" captionTargetId="figure@155.[151,1436,193,1802]" captionTargetPageId="155" captionText="FIGURE 82. Gonopods of species of Megaesthesius. A ‒ C, M. sagedae, Singapore: male 2.5 × 3.0 mm (ZRC 1995.885); D ‒ F, M. migmus n. sp., Philippines: holotype male 4.4 × 4.9 mm (NMCR); G ‒ I, M. yokoyai, Japan: male 3.5 × 3.8 mm (after Takeda & Miyake 1969: fig. 4 h, i); J ‒ M, M. westralia, Australia: holotype male 3.4 × 3.8 mm (after Davie 2013: fig. 3 A ‒ D). A, D, G, H, J, K, ventral view of left G 1; B, E, I, K, L, dorsal view of left G 1; C, F, M, left G 2. Scales = 0.1 mm." httpUri="https://zenodo.org/record/272728/files/figure.png" pageId="91" pageNumber="92">Fig. 82</figureCitation>
|
||
M; Davie 2013: fig. 3D) nearly as long as G1, straight; slender, distal segment long, curved, as long as basal segment, directed inward. Female unknown.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="31D819AEFFF8FFA0FF3AFE2EFE0FFDD9" pageId="91" pageNumber="92" type="discussion">
|
||
<paragraph id="797D4A25FFF8FFA0FF3AFE2EFE0FFDD9" blockId="91.[151,1437,151,645]" pageId="91" pageNumber="92">
|
||
<emphasis id="4BB69637FFF8FFA0FF3AFE2EFEF9FDA1" bold="true" box="[199,308,511,536]" pageId="91" pageNumber="92">Remarks</emphasis>
|
||
. This species is known only from one male specimen without chelipeds. It is apparently closest to
|
||
<taxonomicName id="BEC231A6FFF8FFA0FA80FDD0FF23FD84" class="Malacostraca" family="Chasmocarcinidae" genus="Megaesthesius" kingdom="Animalia" order="Decapoda" pageId="91" pageNumber="92" phylum="Arthropoda" rank="species" species="yokoyai">
|
||
<emphasis id="4BB69637FFF8FFA0FA80FDD0FF23FD84" italics="true" pageId="91" pageNumber="92">M. yokoyai</emphasis>
|
||
</taxonomicName>
|
||
, but can be separated by a suite of carapace, ambulatory legs, male pleon, and G1 characters (see key to species of
|
||
<taxonomicName id="BEC231A6FFF8FFA0FEF0FD96FE7FFDD9" box="[269,434,583,608]" class="Malacostraca" family="Chasmocarcinidae" genus="Megaesthesius" kingdom="Animalia" order="Decapoda" pageId="91" pageNumber="92" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="4BB69637FFF8FFA0FEF0FD96FE7FFDD9" box="[269,434,583,608]" italics="true" pageId="91" pageNumber="92">Megaesthesius</emphasis>
|
||
</taxonomicName>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="31D819AEFFF8FFA0FF3AFDBDFC2FFD3D" box="[199,994,620,645]" pageId="91" pageNumber="92" type="distribution">
|
||
<paragraph id="797D4A25FFF8FFA0FF3AFDBDFC2FFD3D" blockId="91.[151,1437,151,645]" box="[199,994,620,645]" pageId="91" pageNumber="92">
|
||
<emphasis id="4BB69637FFF8FFA0FF3AFDBDFE94FD3C" bold="true" box="[199,345,620,645]" pageId="91" pageNumber="92">Distribution</emphasis>
|
||
. Known only from
|
||
<collectingRegion id="BB0684C7FFF8FFA0FDCAFDBCFCC9FD3C" box="[567,772,620,645]" country="Australia" name="Western Australia" pageId="91" pageNumber="92">
|
||
<collectingRegion id="BB0684C7FFF8FFA0FDCAFDBCFD5FFD3D" box="[567,658,621,644]" country="Solomon Islands" name="Western" pageId="91" pageNumber="92">Western</collectingRegion>
|
||
<collectingCountry id="01D50AB5FFF8FFA0FD64FDBDFCC9FD3C" box="[665,772,620,645]" name="Australia" pageId="91" pageNumber="92">Australia</collectingCountry>
|
||
</collectingRegion>
|
||
. Depth:
|
||
<quantity id="BE3AE7C0FFF8FFA0FC9CFDBDFC13FD3D" box="[865,990,620,645]" metricMagnitude="2" metricUnit="m" metricValue="1.035" metricValueMax="1.06" metricValueMin="1.01" pageId="91" pageNumber="92" unit="m" value="103.5" valueMax="106.0" valueMin="101.0">
|
||
101-
|
||
<specimenCount id="6FC481ACFFF8FFA0FC6FFDBDFC13FD3D" box="[914,990,620,645]" pageId="91" pageNumber="92" type="generic">106 m</specimenCount>
|
||
</quantity>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |