323 lines
48 KiB
XML
323 lines
48 KiB
XML
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<mods:title id="5DE31CDF63B4D0CA8437BFDE9877DF9F">Coral reef-associated brachyuran fauna (Crustacea: Decapoda: Brachyura) from Angria Bank off the west coast of India</mods:title>
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<mods:affiliation id="E02E6D3DB5238506895683A5B15BBAE8">Centre for Marine Living Resources & Ecology, Ministry of Earth Sciences, Government of India, Atal Bhavan, LNG Terminus Road, Puthuvype, Kochi, 682508, India. & vinaypadate @ gmail. com; https: // orcid. org / 0000 - 0002 - 2244 - 8338</mods:affiliation>
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<emphasis id="B9613A3CFF99EE46E7EECE6FFD448045" bold="true" box="[151,697,1842,1868]" pageId="1" pageNumber="399">
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<emphasis id="B9613A3CFF99EE46E7EECE6FFE768045" bold="true" box="[151,395,1842,1868]" italics="true" pageId="1" pageNumber="399">Hyastenus cracentis</emphasis>
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(
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<figureCitation id="132EFAABFF99EE46E7E6CE0BFEE78079" box="[159,282,1878,1904]" captionStart="FIGURE 2" captionStartId="2.[151,250,1783,1807]" captionTargetBox="[183,1403,181,1759]" captionTargetId="figure-19@2.[183,1403,181,1759]" captionTargetPageId="2" captionText="FIGURE 2. Hyastenus cracentis Griffin & Tranter, 1986, male (NIO/BOD/AB/BRY/00001, 2.2 × 2.8 mm), easternArabian Sea, India: (A) dorsal habitus (fresh colour); (B) carapace, dorsal view; (C) basal antennal article, ventral view (anterolateral spine indicated by arrowhead); (D) maxillipeds 3, ventral view. Thusaenys irami (Laurie, 1906), male (NIO/BOD/AB/BRY/00002, 3.0 × 4.3 mm), eastern Arabian Sea, India: (E) dorsal habitus (fresh colour); (F) carapace, dorsal view; (G) basal antennal article and maxilliped 3, ventral view (anterolateral spine indicated by arrowhead); (H) Male pleonal somites 4–6 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: A–B, E–J, 1 mm, C–D, 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.10063294" httpUri="https://zenodo.org/record/10063294/files/figure.png" pageId="1" pageNumber="399">Fig. 2A–D</figureCitation>
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)
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<paragraph id="8BAAE62EFF99EE46E7EECEC6FB7880BA" blockId="1.[151,1437,1946,2032]" box="[151,1157,1946,1971]" pageId="1" pageNumber="399">
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<taxonomicName id="4C159DADFF99EE46E7EECEC6FE8880BB" ID-CoL="3MXLZ" baseAuthorityName="De Haan" baseAuthorityYear="1839" box="[151,373,1946,1970]" class="Malacostraca" family="Epialtidae" genus="Hyastenus" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="399" phylum="Arthropoda" rank="species" species="diacanthus">Hyastenus diacanthus</taxonomicName>
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.—
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[
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<emphasis id="B9613A3CFF99EE46E593CEC6FCEA80BB" box="[746,791,1947,1970]" italics="true" pageId="1" pageNumber="399">Pisa</emphasis>
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(
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<emphasis id="B9613A3CFF99EE46E45FCEC6FC9E80BB" box="[806,867,1947,1970]" italics="true" pageId="1" pageNumber="399">Naxia</emphasis>
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)
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<emphasis id="B9613A3CFF99EE46E408CEC7FC2B80BB" box="[881,982,1946,1970]" italics="true" pageId="1" pageNumber="399">diacantha</emphasis>
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De Haan, 1839
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].
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<treatmentCitation id="0AB4C03FFF99EE46E7EECEE7FD6780D8" author="Griffin, D. J. G. & Tranter, H. A." box="[151,666,1977,2001]" page="125" pageId="1" pageNumber="399" year="1986">
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<taxonomicName id="4C159DADFF99EE46E7EECEE7FD6780D8" ID-CoL="3MXLY" authority="Griffin & Tranter, 1986: 125" authorityName="Griffin & Tranter" authorityPageNumber="125" authorityYear="1986" box="[151,666,1977,2001]" class="Malacostraca" family="Epialtidae" genus="Hyastenus" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="399" phylum="Arthropoda" rank="species" species="cracentis">
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<emphasis id="B9613A3CFF99EE46E7EECEE7FE9B80D8" box="[151,358,1978,2001]" italics="true" pageId="1" pageNumber="399">Hyastenus cracentis</emphasis>
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<bibRefCitation id="EF849BDFFF99EE46E616CEE4FD6780D8" author="Griffin, D. J. G. & Tranter, H. A." box="[367,666,1977,2001]" pageId="1" pageNumber="399" pagination="1 - 335" refId="ref15151" refString="Griffin, D. J. G. & Tranter, H. A. (1986) The Decapoda Brachyura of the Siboga expedition. Part VIII: Majidae. Siboga Expeditie, 39 C 4, 1 - 335, 22 pls. https: // doi. org / 10.1163 / 9789004626461 _ 002" type="journal article" year="1986">Griffin & Tranter, 1986: 125</bibRefCitation>
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(identification key), 138, figs. 44, 47c, d (
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locality:
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<collectingRegion id="49D128CCFF99EE46E392CEE7FAE580D8" box="[1259,1304,1978,2001]" country="Indonesia" name="Jawa Timur" pageId="1" pageNumber="399">Java</collectingRegion>
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Sea, Gasper Straits).—
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<treatmentCitation id="0AB4C03FFF99EE46E657CE85FE0680F9" author="Loh, W. H. & Ng, P. K. L." box="[302,507,2008,2032]" page="64" pageId="1" pageNumber="399" year="1999">
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<bibRefCitation id="EF849BDFFF99EE46E657CE85FE0680F9" author="Loh, W. H. & Ng, P. K. L." box="[302,507,2008,2032]" pageId="1" pageNumber="399" pagination="59 - 72" refId="ref16798" refString="Loh, W. H. & Ng, P. K. L. (1999) Notes on some Southeast Asian species of spider crabs of the genera Doclea and Hyastenus (Crustacea: Decapoda: Brachyura: Majidae). Raffles Bulletin of Zoology, 47 (1), 59 - 72." type="journal article" year="1999">Loh & Ng 1999: 64</bibRefCitation>
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</treatmentCitation>
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, fig. 4.—
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<treatmentCitation id="0AB4C03FFF99EE46E520CE85FCE380F9" author="Ng, P. K. L. & Guinot, D. & Davie, P. J. F." box="[601,798,2008,2032]" page="103" pageId="1" pageNumber="399" year="2008">
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<bibRefCitation id="EF849BDFFF99EE46E520CE85FCE380F9" author="Ng, P. K. L. & Guinot, D. & Davie, P. J. F." box="[601,798,2008,2032]" pageId="1" pageNumber="399" pagination="1 - 286" refId="ref17963" refString="Ng, P. K. L., Guinot, D. & Davie, P. J. F. (2008) Systema Brachyurorum: Part I. An annotated checklist of extant brachyuran crabs of the world. Raffles Bulletin of Zoology, Supplement 17, 1 - 286." type="journal article" year="2008">
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Ng
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<emphasis id="B9613A3CFF99EE46E506CE84FD5180F9" box="[639,684,2008,2032]" italics="true" pageId="1" pageNumber="399">et al</emphasis>
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. 2008: 103
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</bibRefCitation>
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[list].—
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<treatmentCitation id="0AB4C03FFF99EE46E417CE85FB5A80F9" author="Windsor, A. M. & Ahyong, S. T." box="[878,1191,2008,2032]" page="726" pageId="1" pageNumber="399" year="2013">
|
||
<bibRefCitation id="EF849BDFFF99EE46E417CE85FB5A80F9" author="Windsor, A. M. & Ahyong, S. T." box="[878,1191,2008,2032]" pageId="1" pageNumber="399" pagination="718 - 727" refId="ref21611" refString="Windsor, A. M. & Ahyong, S. T. (2013) Hyastenus baru, a new species of spider crab from Indonesia (Brachyura, Majoidea, Epialtidae) with a key to the species of Hyastenus. Crustaceana, 86 (6), 718 - 727. https: // doi. org / 10.1163 / 15685403 - 00003202" type="journal article" year="2013">Windsor & Ahyong 2013: 726</bibRefCitation>
|
||
</treatmentCitation>
|
||
(identification key).
|
||
</treatmentCitationGroup>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="DF6AB6A6FF9AEE45E7EECFAAFA8680CA" ID-DOI="http://doi.org/10.5281/zenodo.10063294" ID-Zenodo-Dep="10063294" httpUri="https://zenodo.org/record/10063294/files/figure.png" pageId="2" pageNumber="400" startId="2.[151,250,1783,1807]" targetBox="[183,1403,181,1759]" targetPageId="2" targetType="figure">
|
||
<paragraph id="8BAAE62EFF9AEE45E7EECFAAFA8680CA" blockId="2.[151,1437,1783,1987]" pageId="2" pageNumber="400">
|
||
<emphasis id="B9613A3CFF9AEE45E7EECFAAFEEC8006" bold="true" box="[151,273,1783,1807]" pageId="2" pageNumber="400">FIGURE 2.</emphasis>
|
||
<taxonomicName id="4C159DADFF9AEE45E66FCFA5FD2F8006" authority="Griffin & Tranter, 1986" authorityName="Griffin & Tranter" authorityYear="1986" box="[278,722,1783,1807]" class="Malacostraca" family="Epialtidae" genus="Hyastenus" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="400" phylum="Arthropoda" rank="species" species="cracentis">
|
||
<emphasis id="B9613A3CFF9AEE45E66FCFA5FE1F8006" box="[278,482,1784,1807]" italics="true" pageId="2" pageNumber="400">Hyastenus cracentis</emphasis>
|
||
<bibRefCitation id="EF849BDFFF9AEE45E69FCFAAFD2F8006" author="Griffin, D. J. G. & Tranter, H. A." box="[486,722,1783,1807]" pageId="2" pageNumber="400" pagination="1 - 335" refId="ref15151" refString="Griffin, D. J. G. & Tranter, H. A. (1986) The Decapoda Brachyura of the Siboga expedition. Part VIII: Majidae. Siboga Expeditie, 39 C 4, 1 - 335, 22 pls. https: // doi. org / 10.1163 / 9789004626461 _ 002" type="journal article" year="1986">Griffin & Tranter, 1986</bibRefCitation>
|
||
</taxonomicName>
|
||
, male (NIO/BOD/AB/BRY/00001, 2.2 × 2.8 mm), eastern Arabian Sea, India: (A) dorsal habitus (fresh colour); (B) carapace, dorsal view; (C) basal antennal article, ventral view (anterolateral spine indicated by arrowhead); (D) maxillipeds 3, ventral view.
|
||
<taxonomicName id="4C159DADFF9AEE45E597CE62FBC9805E" authority="(Laurie, 1906)" baseAuthorityName="Laurie" baseAuthorityYear="1906" box="[750,1076,1855,1879]" class="Malacostraca" family="Epialtidae" genus="Thusaenys" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="400" phylum="Arthropoda" rank="species" species="irami">
|
||
<emphasis id="B9613A3CFF9AEE45E597CE62FC6A805E" box="[750,919,1855,1879]" italics="true" pageId="2" pageNumber="400">Thusaenys irami</emphasis>
|
||
(
|
||
<bibRefCitation id="EF849BDFFF9AEE45E4DFCE62FBD3805E" author="Laurie, R. D." box="[934,1070,1855,1879]" pageId="2" pageNumber="400" pagination="1 - 12" refId="ref16613" refString="Laurie, R. D. (1906) Report on the Brachyura collected by Prof. Herdman, at Ceylon, in 1902. In: Herdman, W. A. (Ed.), Report to the Government of Ceylon on the Pearl Oyster Fisheries of the Gulf of Manaar with Supplementary Reports Upon the Marine Biology of Ceylon by Other Naturalists, 5 (Supplement Report No. 40), 349 - 432, 12 figs. 1 - 12, 2 pls." type="journal article" year="1906">Laurie, 1906</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
, male (NIO/BOD/AB/BRY/00002, 3.0 × 4.3 mm), eastern Arabian Sea, India: (E) dorsal habitus (fresh colour); (F) carapace, dorsal view; (G) basal antennal article and maxilliped 3, ventral view (anterolateral spine indicated by arrowhead); (H) Male pleonal somites 4–6 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: A–B, E–J, 1 mm, C–D, 0.5 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C30FB5A5FF9BEE44E7EEC9CBFB3087DC" pageId="3" pageNumber="401" type="materials_examined">
|
||
<paragraph id="8BAAE62EFF9BEE44E7EEC9CBFB3087DC" blockId="3.[151,1437,150,1185]" pageId="3" pageNumber="401">
|
||
<emphasis id="B9613A3CFF9BEE44E7EEC9CBFE7987B9" bold="true" box="[151,388,150,176]" pageId="3" pageNumber="401">Material examined.</emphasis>
|
||
<materialsCitation id="3B7DEC73FF9BEE44E6F4C9CAFB3487DC" ID-GBIF-Occurrence="4429891305" collectingDate="2014-01-05" collectionCode="NIO, R" collectorName="Van Veen & Periasamy" elevation="27" latitude="16.45" location="Vijaydurg" longLatPrecision="769" longitude="72.08" municipality="Arabian Sea" pageId="3" pageNumber="401" specimenCode="RVSS 1" specimenCount="1" specimenCount-juvenile="1">
|
||
<specimenCount id="9D132DA7FF9BEE44E6F4C9CAFDFD87B8" box="[397,512,151,177]" pageId="3" pageNumber="401" type="juvenile">1 juvenile</specimenCount>
|
||
male (2.2 ×
|
||
<quantity id="4CED4BCBFF9BEE44E5E3C9CAFD0987B8" box="[666,756,151,177]" metricMagnitude="-3" metricUnit="m" metricValue="2.8" pageId="3" pageNumber="401" unit="mm" value="2.8">2.8 mm</quantity>
|
||
) (
|
||
<collectionCode id="ED047EEBFF9BEE44E477C9CAFCBC87B8" box="[782,833,151,177]" country="India" httpUri="http://grbio.org/cool/28s9-nw6y" name="National Institute of Oceanography" pageId="3" pageNumber="401">NIO</collectionCode>
|
||
/BOD/AB/BRY/00001),
|
||
<specimenCode id="DBB34E55FF9BEE44E322C9CAFB4A87B8" box="[1115,1207,151,177]" collectionCode="RVSS" pageId="3" pageNumber="401">RVSS 1</specimenCode>
|
||
, west of
|
||
<location id="8ECAB0F5FF9BEE44E25FC9CAFA6587B8" LSID="urn:lsid:plazi:treatment:03BC5738FF99EE44E7EECE6FFC5183A8:8ECAB0F5FF9BEE44E25FC9CAFA6587B8" box="[1318,1432,151,177]" latitude="16.45" longLatPrecision="769" longitude="72.08" municipality="Arabian Sea" name="Vijaydurg" pageId="3" pageNumber="401">Vijaydurg</location>
|
||
,
|
||
<collectingMunicipality id="6BCE7C54FF9BEE44E7EEC9E6FEDE87DC" box="[151,291,187,213]" pageId="3" pageNumber="401">Arabian Sea</collectingMunicipality>
|
||
,
|
||
<geoCoordinate id="EE2180E9FF9BEE44E656C9E7FE6D87DC" box="[303,400,186,213]" degrees="16.45" direction="north" orientation="latitude" pageId="3" pageNumber="401" precision="555" value="16.45">16.45°N</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="EE2180E9FF9BEE44E6E2C9E6FE0487DC" box="[411,505,187,213]" degrees="72.08" direction="east" orientation="longitude" pageId="3" pageNumber="401" precision="555" value="72.08">72.08°E</geoCoordinate>
|
||
,
|
||
<elevation id="0038011DFF9BEE44E57CC9E6FD7887DC" box="[517,645,187,213]" metricMagnitude="1" metricUnit="m" metricValue="2.7" pageId="3" pageNumber="401" unit="m" value="27.0">
|
||
<quantity id="4CED4BCBFF9BEE44E57CC9E6FDC387DC" box="[517,574,187,213]" metricMagnitude="1" metricUnit="m" metricValue="2.7" pageId="3" pageNumber="401" unit="m" value="27.0">27 m</quantity>
|
||
depth
|
||
</elevation>
|
||
,
|
||
<collectorName id="26E083F8FF9BEE44E5E9C9E6FD0787DC" box="[656,762,187,213]" pageId="3" pageNumber="401">Van Veen</collectorName>
|
||
grab, coll.
|
||
<collectionCode id="ED047EEBFF9BEE44E400C9E6FC7287DC" box="[889,911,187,213]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="3" pageNumber="401">R</collectionCode>
|
||
.
|
||
<collectorName id="26E083F8FF9BEE44E4E0C9E6FBF287DC" box="[921,1039,187,213]" pageId="3" pageNumber="401">Periasamy</collectorName>
|
||
,
|
||
<date id="FFABC0EEFF9BEE44E363C9E7FB3487DC" box="[1050,1225,186,213]" pageId="3" pageNumber="401" value="2014-01-05">
|
||
<collectingDate id="EFEF3906FF9BEE44E363C9E7FB3487DC" box="[1050,1225,186,213]" pageId="3" pageNumber="401" value="2014-01-05">5 January 2014</collectingDate>
|
||
</date>
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C30FB5A5FF9BEE44E7BEC983FA6C8568" pageId="3" pageNumber="401" type="diagnosis">
|
||
<paragraph id="8BAAE62EFF9BEE44E7BEC983FDA98534" blockId="3.[151,1437,150,1185]" pageId="3" pageNumber="401">
|
||
<emphasis id="B9613A3CFF9BEE44E7BEC983FEBF87F1" bold="true" box="[199,322,222,248]" pageId="3" pageNumber="401">Diagnosis.</emphasis>
|
||
Carapace pyriform, longer than wide. Rostrum almost as long as post-rostral CL; rostral spines slender, horizontal, separate from near base, lacking accessory spine (
|
||
<figureCitation id="132EFAABFF9BEE44E4E9C85EFC148614" box="[912,1001,259,285]" captionStart="FIGURE 2" captionStartId="2.[151,250,1783,1807]" captionTargetBox="[183,1403,181,1759]" captionTargetId="figure-19@2.[183,1403,181,1759]" captionTargetPageId="2" captionText="FIGURE 2. Hyastenus cracentis Griffin & Tranter, 1986, male (NIO/BOD/AB/BRY/00001, 2.2 × 2.8 mm), easternArabian Sea, India: (A) dorsal habitus (fresh colour); (B) carapace, dorsal view; (C) basal antennal article, ventral view (anterolateral spine indicated by arrowhead); (D) maxillipeds 3, ventral view. Thusaenys irami (Laurie, 1906), male (NIO/BOD/AB/BRY/00002, 3.0 × 4.3 mm), eastern Arabian Sea, India: (E) dorsal habitus (fresh colour); (F) carapace, dorsal view; (G) basal antennal article and maxilliped 3, ventral view (anterolateral spine indicated by arrowhead); (H) Male pleonal somites 4–6 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: A–B, E–J, 1 mm, C–D, 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.10063294" httpUri="https://zenodo.org/record/10063294/files/figure.png" pageId="3" pageNumber="401">Fig. 2A</figureCitation>
|
||
). Dorsal carapace smooth; protogastric, mesogastric, cardiac and anterior branchial regions lacking tubercles; short epibranchial spine present (
|
||
<figureCitation id="132EFAABFF9BEE44E24AC87AFA6D8648" box="[1331,1424,295,321]" captionStart="FIGURE 2" captionStartId="2.[151,250,1783,1807]" captionTargetBox="[183,1403,181,1759]" captionTargetId="figure-19@2.[183,1403,181,1759]" captionTargetPageId="2" captionText="FIGURE 2. Hyastenus cracentis Griffin & Tranter, 1986, male (NIO/BOD/AB/BRY/00001, 2.2 × 2.8 mm), easternArabian Sea, India: (A) dorsal habitus (fresh colour); (B) carapace, dorsal view; (C) basal antennal article, ventral view (anterolateral spine indicated by arrowhead); (D) maxillipeds 3, ventral view. Thusaenys irami (Laurie, 1906), male (NIO/BOD/AB/BRY/00002, 3.0 × 4.3 mm), eastern Arabian Sea, India: (E) dorsal habitus (fresh colour); (F) carapace, dorsal view; (G) basal antennal article and maxilliped 3, ventral view (anterolateral spine indicated by arrowhead); (H) Male pleonal somites 4–6 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: A–B, E–J, 1 mm, C–D, 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.10063294" httpUri="https://zenodo.org/record/10063294/files/figure.png" pageId="3" pageNumber="401">Fig. 2A</figureCitation>
|
||
). Orbits reduced, with narrow supraorbital eave (produced into weak, horizontal preorbital spine), a cupped postorbital process; upper orbital hiatus keyhole-shaped (
|
||
<figureCitation id="132EFAABFF9BEE44E5E3C832FD0E8680" box="[666,755,367,393]" captionStart="FIGURE 2" captionStartId="2.[151,250,1783,1807]" captionTargetBox="[183,1403,181,1759]" captionTargetId="figure-19@2.[183,1403,181,1759]" captionTargetPageId="2" captionText="FIGURE 2. Hyastenus cracentis Griffin & Tranter, 1986, male (NIO/BOD/AB/BRY/00001, 2.2 × 2.8 mm), easternArabian Sea, India: (A) dorsal habitus (fresh colour); (B) carapace, dorsal view; (C) basal antennal article, ventral view (anterolateral spine indicated by arrowhead); (D) maxillipeds 3, ventral view. Thusaenys irami (Laurie, 1906), male (NIO/BOD/AB/BRY/00002, 3.0 × 4.3 mm), eastern Arabian Sea, India: (E) dorsal habitus (fresh colour); (F) carapace, dorsal view; (G) basal antennal article and maxilliped 3, ventral view (anterolateral spine indicated by arrowhead); (H) Male pleonal somites 4–6 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: A–B, E–J, 1 mm, C–D, 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.10063294" httpUri="https://zenodo.org/record/10063294/files/figure.png" pageId="3" pageNumber="401">Fig. 2B</figureCitation>
|
||
). Basal antennal article narrow anteriorly or sub-rectangular, almost as broad as long, anterolateral spine separated from flagellar base by notch (indicated by arrowhead in
|
||
<figureCitation id="132EFAABFF9BEE44E209C8CEFF4686D8" captionStart="FIGURE 2" captionStartId="2.[151,250,1783,1807]" captionTargetBox="[183,1403,181,1759]" captionTargetId="figure-19@2.[183,1403,181,1759]" captionTargetPageId="2" captionText="FIGURE 2. Hyastenus cracentis Griffin & Tranter, 1986, male (NIO/BOD/AB/BRY/00001, 2.2 × 2.8 mm), easternArabian Sea, India: (A) dorsal habitus (fresh colour); (B) carapace, dorsal view; (C) basal antennal article, ventral view (anterolateral spine indicated by arrowhead); (D) maxillipeds 3, ventral view. Thusaenys irami (Laurie, 1906), male (NIO/BOD/AB/BRY/00002, 3.0 × 4.3 mm), eastern Arabian Sea, India: (E) dorsal habitus (fresh colour); (F) carapace, dorsal view; (G) basal antennal article and maxilliped 3, ventral view (anterolateral spine indicated by arrowhead); (H) Male pleonal somites 4–6 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: A–B, E–J, 1 mm, C–D, 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.10063294" httpUri="https://zenodo.org/record/10063294/files/figure.png" pageId="3" pageNumber="401">Fig. 2C</figureCitation>
|
||
), proximal portion of lateral margin produced into convex lobe. Maxilliped 3 merus triangular, as long as wide, length 0.5 × ischial length (
|
||
<figureCitation id="132EFAABFF9BEE44E6A1C886FDC886FC" box="[472,565,475,501]" captionStart="FIGURE 2" captionStartId="2.[151,250,1783,1807]" captionTargetBox="[183,1403,181,1759]" captionTargetId="figure-19@2.[183,1403,181,1759]" captionTargetPageId="2" captionText="FIGURE 2. Hyastenus cracentis Griffin & Tranter, 1986, male (NIO/BOD/AB/BRY/00001, 2.2 × 2.8 mm), easternArabian Sea, India: (A) dorsal habitus (fresh colour); (B) carapace, dorsal view; (C) basal antennal article, ventral view (anterolateral spine indicated by arrowhead); (D) maxillipeds 3, ventral view. Thusaenys irami (Laurie, 1906), male (NIO/BOD/AB/BRY/00002, 3.0 × 4.3 mm), eastern Arabian Sea, India: (E) dorsal habitus (fresh colour); (F) carapace, dorsal view; (G) basal antennal article and maxilliped 3, ventral view (anterolateral spine indicated by arrowhead); (H) Male pleonal somites 4–6 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: A–B, E–J, 1 mm, C–D, 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.10063294" httpUri="https://zenodo.org/record/10063294/files/figure.png" pageId="3" pageNumber="401">Fig. 2D</figureCitation>
|
||
). Pterygostomian margin with 2 tubercles. Cheliped slender, dactylus short, curved; propodus sub-cylindrical, merus with 5 or 6 spines on posterior margin (
|
||
<figureCitation id="132EFAABFF9BEE44E356C8A2FB768510" box="[1071,1163,511,537]" captionStart="FIGURE 2" captionStartId="2.[151,250,1783,1807]" captionTargetBox="[183,1403,181,1759]" captionTargetId="figure-19@2.[183,1403,181,1759]" captionTargetPageId="2" captionText="FIGURE 2. Hyastenus cracentis Griffin & Tranter, 1986, male (NIO/BOD/AB/BRY/00001, 2.2 × 2.8 mm), easternArabian Sea, India: (A) dorsal habitus (fresh colour); (B) carapace, dorsal view; (C) basal antennal article, ventral view (anterolateral spine indicated by arrowhead); (D) maxillipeds 3, ventral view. Thusaenys irami (Laurie, 1906), male (NIO/BOD/AB/BRY/00002, 3.0 × 4.3 mm), eastern Arabian Sea, India: (E) dorsal habitus (fresh colour); (F) carapace, dorsal view; (G) basal antennal article and maxilliped 3, ventral view (anterolateral spine indicated by arrowhead); (H) Male pleonal somites 4–6 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: A–B, E–J, 1 mm, C–D, 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.10063294" httpUri="https://zenodo.org/record/10063294/files/figure.png" pageId="3" pageNumber="401">Fig. 2A</figureCitation>
|
||
). Pereopods 2–5 dactyli bearing row of ventral spines (
|
||
<figureCitation id="132EFAABFF9BEE44E694CB7EFDBA8534" box="[493,583,547,573]" captionStart="FIGURE 2" captionStartId="2.[151,250,1783,1807]" captionTargetBox="[183,1403,181,1759]" captionTargetId="figure-19@2.[183,1403,181,1759]" captionTargetPageId="2" captionText="FIGURE 2. Hyastenus cracentis Griffin & Tranter, 1986, male (NIO/BOD/AB/BRY/00001, 2.2 × 2.8 mm), easternArabian Sea, India: (A) dorsal habitus (fresh colour); (B) carapace, dorsal view; (C) basal antennal article, ventral view (anterolateral spine indicated by arrowhead); (D) maxillipeds 3, ventral view. Thusaenys irami (Laurie, 1906), male (NIO/BOD/AB/BRY/00002, 3.0 × 4.3 mm), eastern Arabian Sea, India: (E) dorsal habitus (fresh colour); (F) carapace, dorsal view; (G) basal antennal article and maxilliped 3, ventral view (anterolateral spine indicated by arrowhead); (H) Male pleonal somites 4–6 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: A–B, E–J, 1 mm, C–D, 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.10063294" httpUri="https://zenodo.org/record/10063294/files/figure.png" pageId="3" pageNumber="401">Fig. 2A</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BAAE62EFF9BEE44E7BECB1BFA6C8568" blockId="3.[151,1437,150,1185]" box="[199,1425,582,609]" pageId="3" pageNumber="401">
|
||
<emphasis id="B9613A3CFF9BEE44E7BECB1BFEA28569" bold="true" box="[199,351,582,608]" pageId="3" pageNumber="401">Colouration.</emphasis>
|
||
Fresh specimen: mottled red, chelae greyish (
|
||
<figureCitation id="132EFAABFF9BEE44E41BCB1AFC408568" box="[866,957,583,609]" captionStart="FIGURE 2" captionStartId="2.[151,250,1783,1807]" captionTargetBox="[183,1403,181,1759]" captionTargetId="figure-19@2.[183,1403,181,1759]" captionTargetPageId="2" captionText="FIGURE 2. Hyastenus cracentis Griffin & Tranter, 1986, male (NIO/BOD/AB/BRY/00001, 2.2 × 2.8 mm), easternArabian Sea, India: (A) dorsal habitus (fresh colour); (B) carapace, dorsal view; (C) basal antennal article, ventral view (anterolateral spine indicated by arrowhead); (D) maxillipeds 3, ventral view. Thusaenys irami (Laurie, 1906), male (NIO/BOD/AB/BRY/00002, 3.0 × 4.3 mm), eastern Arabian Sea, India: (E) dorsal habitus (fresh colour); (F) carapace, dorsal view; (G) basal antennal article and maxilliped 3, ventral view (anterolateral spine indicated by arrowhead); (H) Male pleonal somites 4–6 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: A–B, E–J, 1 mm, C–D, 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.10063294" httpUri="https://zenodo.org/record/10063294/files/figure.png" pageId="3" pageNumber="401">Fig. 2A</figureCitation>
|
||
). Preserved specimen: light red (
|
||
<figureCitation id="132EFAABFF9BEE44E252CB1AFA798568" box="[1323,1412,583,609]" captionStart="FIGURE 2" captionStartId="2.[151,250,1783,1807]" captionTargetBox="[183,1403,181,1759]" captionTargetId="figure-19@2.[183,1403,181,1759]" captionTargetPageId="2" captionText="FIGURE 2. Hyastenus cracentis Griffin & Tranter, 1986, male (NIO/BOD/AB/BRY/00001, 2.2 × 2.8 mm), easternArabian Sea, India: (A) dorsal habitus (fresh colour); (B) carapace, dorsal view; (C) basal antennal article, ventral view (anterolateral spine indicated by arrowhead); (D) maxillipeds 3, ventral view. Thusaenys irami (Laurie, 1906), male (NIO/BOD/AB/BRY/00002, 3.0 × 4.3 mm), eastern Arabian Sea, India: (E) dorsal habitus (fresh colour); (F) carapace, dorsal view; (G) basal antennal article and maxilliped 3, ventral view (anterolateral spine indicated by arrowhead); (H) Male pleonal somites 4–6 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: A–B, E–J, 1 mm, C–D, 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.10063294" httpUri="https://zenodo.org/record/10063294/files/figure.png" pageId="3" pageNumber="401">Fig. 2B</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C30FB5A5FF9BEE44E7BECB37FC0B85A0" pageId="3" pageNumber="401" type="biology_ecology">
|
||
<paragraph id="8BAAE62EFF9BEE44E7BECB37FC0B85A0" blockId="3.[151,1437,150,1185]" pageId="3" pageNumber="401">
|
||
<emphasis id="B9613A3CFF9BEE44E7BECB37FEDA858D" bold="true" box="[199,295,618,644]" pageId="3" pageNumber="401">Biology.</emphasis>
|
||
Known to inhabit sandy substrates;
|
||
<quantity id="4CED4BCBFF9BEE44E5B1CB37FCD0858C" box="[712,813,618,645]" metricMagnitude="1" metricUnit="m" metricValue="4.0" metricValueMax="5.2" metricValueMin="2.8" pageId="3" pageNumber="401" unit="m" value="40.0" valueMax="52.0" valueMin="28.0">28–52 m</quantity>
|
||
<emphasis id="B9613A3CFF9BEE44E44CCB37FCC3858D" bold="true" box="[821,830,618,644]" pageId="3" pageNumber="401">(</emphasis>
|
||
<bibRefCitation id="EF849BDFFF9BEE44E446CB36FBB5858C" author="Griffin, D. J. G. & Tranter, H. A." box="[831,1096,619,645]" pageId="3" pageNumber="401" pagination="162 - 198" refId="ref15094" refString="Griffin, D. J. G. & Tranter, H. A. (1974) Spider crabs of the family Majidae (Crustacea: Decapoda: Brachyura) from the Red Sea. Israel Journal of Zoology, 23, 162 - 198, figs. 1 - 4, pl. 1." type="journal article" year="1974">Griffin & Tranter 1974</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="EF849BDFFF9BEE44E32DCB36FB6D858C" author="Griffin, D. J. G. & Tranter, H. A." box="[1108,1168,619,645]" pageId="3" pageNumber="401" pagination="1 - 335" refId="ref15151" refString="Griffin, D. J. G. & Tranter, H. A. (1986) The Decapoda Brachyura of the Siboga expedition. Part VIII: Majidae. Siboga Expeditie, 39 C 4, 1 - 335, 22 pls. https: // doi. org / 10.1163 / 9789004626461 _ 002" type="journal article" year="1986">1986</bibRefCitation>
|
||
). The present specimen was collected from sandy substrate, at
|
||
<quantity id="4CED4BCBFF9BEE44E531CBD2FD7C85A0" box="[584,641,655,681]" metricMagnitude="1" metricUnit="m" metricValue="2.7" pageId="3" pageNumber="401" unit="m" value="27.0">27 m</quantity>
|
||
depth, covered with macroalgae.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C30FB5A5FF9BEE44E7BECBEEFC5183A8" pageId="3" pageNumber="401" type="discussion">
|
||
<paragraph id="8BAAE62EFF9BEE44E7BECBEEFDC68350" blockId="3.[151,1437,150,1185]" pageId="3" pageNumber="401">
|
||
<emphasis id="B9613A3CFF9BEE44E7BECBEEFEC685C4" bold="true" box="[199,315,691,717]" pageId="3" pageNumber="401">Remarks.</emphasis>
|
||
<bibRefCitation id="EF849BDFFF9BEE44E63DCBEEFDA285C4" author="Griffin, D. J. G. & Tranter, H. A." box="[324,607,691,717]" pageId="3" pageNumber="401" pagination="1 - 335" refId="ref15151" refString="Griffin, D. J. G. & Tranter, H. A. (1986) The Decapoda Brachyura of the Siboga expedition. Part VIII: Majidae. Siboga Expeditie, 39 C 4, 1 - 335, 22 pls. https: // doi. org / 10.1163 / 9789004626461 _ 002" type="journal article" year="1986">Griffin & Tranter (1986)</bibRefCitation>
|
||
described
|
||
<taxonomicName id="4C159DADFF9BEE44E5A7CBEEFC9485C5" authorityName="Griffin & Tranter" authorityYear="1986" box="[734,873,691,716]" class="Malacostraca" family="Epialtidae" genus="Hyastenus" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="401" phylum="Arthropoda" rank="species" species="cracentis">
|
||
<emphasis id="B9613A3CFF9BEE44E5A7CBEEFC9485C5" box="[734,873,691,716]" italics="true" pageId="3" pageNumber="401">H. cracentis</emphasis>
|
||
</taxonomicName>
|
||
from a male from Gaspar Strait,
|
||
<collectingCountry id="F302A6BEFF9BEE44E397CBEEFAA285C4" box="[1262,1375,691,717]" name="Indonesia" pageId="3" pageNumber="401">Indonesia</collectingCountry>
|
||
. This species closely resembles
|
||
<taxonomicName id="4C159DADFF9BEE44E6BBCB8AFCDD85F8" authority="Buitentijk, 1939" authorityName="Buitentijk" authorityYear="1939" box="[450,800,727,753]" class="Malacostraca" family="Epialtidae" genus="Hyastenus" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="401" phylum="Arthropoda" rank="species" species="bispinosus">
|
||
<emphasis id="B9613A3CFF9BEE44E6BBCB8AFDA185F8" box="[450,604,727,753]" italics="true" pageId="3" pageNumber="401">H. bispinosus</emphasis>
|
||
Buitentijk, 1939
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C159DADFF9BEE44E455CB8AFB9B85F8" authority="(Rathbun, 1911)" baseAuthorityName="Rathbun" baseAuthorityYear="1911" box="[812,1126,727,753]" class="Malacostraca" family="Epialtidae" genus="Hyastenus" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="401" phylum="Arthropoda" rank="species" species="inermis">
|
||
<emphasis id="B9613A3CFF9BEE44E455CB8AFC5885F9" box="[812,933,727,752]" italics="true" pageId="3" pageNumber="401">H. inermis</emphasis>
|
||
(
|
||
<bibRefCitation id="EF849BDFFF9BEE44E4CCCB8AFBA085F8" author="Rathbun, M. J." box="[949,1117,727,753]" pageId="3" pageNumber="401" pagination="191 - 261" refId="ref19082" refString="Rathbun, M. J. (1911) The Percy Sladen Trust expedition to the Indian Ocean in 1905, Under the leadership of Mr. J. Stanley Gardiner. Vol. III. No. XI. Marine Brachyura. Transactions of the Linnean Society of London, Series 2, Zoology, 14 (2), 191 - 261, pls. 15 - 20. https: // doi. org / 10.1111 / j. 1096 - 3642.1911. tb 00084. x" type="journal article" year="1911">Rathbun, 1911</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C159DADFF9BEE44E3D9CB8AFF32841C" authority="Buitentijk, 1939" authorityName="Buitentijk" authorityYear="1939" class="Malacostraca" family="Epialtidae" genus="Hyastenus" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="401" phylum="Arthropoda" rank="species" species="minutus">
|
||
<emphasis id="B9613A3CFF9BEE44E3D9CB8AFAE085F9" box="[1184,1309,727,752]" italics="true" pageId="3" pageNumber="401">H. minutus</emphasis>
|
||
Buitentijk,
|
||
<quantity id="4CED4BCBFF9BEE44E7EECBA6FF32841C" box="[151,207,763,789]" metricMagnitude="1" metricUnit="m" metricValue="4.92506" pageId="3" pageNumber="401" unit="in" value="1939.0">1939</quantity>
|
||
</taxonomicName>
|
||
in the absence of ornamentation on the mesogastric and anterior brachial regions of the carapace, a relatively broad upper orbital hiatus, and the presence of a sharp spine on the anterolateral angle of the basal antennal article. However,
|
||
<taxonomicName id="4C159DADFF9BEE44E675CA1EFE6A8455" authorityName="Griffin & Tranter" authorityYear="1986" box="[268,407,835,860]" class="Malacostraca" family="Epialtidae" genus="Hyastenus" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="401" phylum="Arthropoda" rank="species" species="cracentis">
|
||
<emphasis id="B9613A3CFF9BEE44E675CA1EFE6A8455" box="[268,407,835,860]" italics="true" pageId="3" pageNumber="401">H. cracentis</emphasis>
|
||
</taxonomicName>
|
||
differs from
|
||
<taxonomicName id="4C159DADFF9BEE44E556CA1EFD348454" authorityName="Buitentijk" authorityYear="1939" box="[559,713,835,861]" class="Malacostraca" family="Epialtidae" genus="Hyastenus" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="401" phylum="Arthropoda" rank="species" species="bispinosus">
|
||
<emphasis id="B9613A3CFF9BEE44E556CA1EFD348454" box="[559,713,835,861]" italics="true" pageId="3" pageNumber="401">H. bispinosus</emphasis>
|
||
</taxonomicName>
|
||
in having the preorbital and antorbital angles equally produced laterally (vs. distinct preorbital angle of eave in the latter species), and from
|
||
<taxonomicName id="4C159DADFF9BEE44E493CA3AFB9D8489" baseAuthorityName="Rathbun" baseAuthorityYear="1911" box="[1002,1120,871,896]" class="Malacostraca" family="Epialtidae" genus="Hyastenus" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="401" phylum="Arthropoda" rank="species" species="inermis">
|
||
<emphasis id="B9613A3CFF9BEE44E493CA3AFB9D8489" box="[1002,1120,871,896]" italics="true" pageId="3" pageNumber="401">H. inermis</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C159DADFF9BEE44E3ECCA3AFAED8489" authorityName="Buitentijk" authorityYear="1939" box="[1173,1296,871,896]" class="Malacostraca" family="Epialtidae" genus="Hyastenus" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="401" phylum="Arthropoda" rank="species" species="minutus">
|
||
<emphasis id="B9613A3CFF9BEE44E3ECCA3AFAED8489" box="[1173,1296,871,896]" italics="true" pageId="3" pageNumber="401">H. minutus</emphasis>
|
||
</taxonomicName>
|
||
in relatively longer rostral spines> two-thirds post-rostral carapace length (vs. only half or less in the latter two species). The Indian specimen largely conforms to the description of the
|
||
<typeStatus id="54AE588CFF9BEE44E434CAF2FC5284C0" box="[845,943,943,969]" pageId="3" pageNumber="401">holotype</typeStatus>
|
||
(
|
||
<bibRefCitation id="EF849BDFFF9BEE44E4B8CAF2FB3284C0" author="Griffin, D. J. G. & Tranter, H. A." box="[961,1231,943,969]" pageId="3" pageNumber="401" pagination="1 - 335" refId="ref15151" refString="Griffin, D. J. G. & Tranter, H. A. (1986) The Decapoda Brachyura of the Siboga expedition. Part VIII: Majidae. Siboga Expeditie, 39 C 4, 1 - 335, 22 pls. https: // doi. org / 10.1163 / 9789004626461 _ 002" type="journal article" year="1986">Griffin & Tranter 1986</bibRefCitation>
|
||
) in the elongated rostrum (> two-thirds of carapace length) keyhole-shaped upper orbital hiatus, absence of mesogastric tubercle on the carapace; and the anterolateral angle of basal antennal article produced forwards and slightly outwards as a short spine. On the other hand, the present specimen of
|
||
<taxonomicName id="4C159DADFF9BEE44E5BBCD46FCB6833D" authorityName="Griffin & Tranter" authorityYear="1986" box="[706,843,1051,1076]" class="Malacostraca" family="Epialtidae" genus="Hyastenus" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="401" phylum="Arthropoda" rank="species" species="cracentis">
|
||
<emphasis id="B9613A3CFF9BEE44E5BBCD46FCB6833D" box="[706,843,1051,1076]" italics="true" pageId="3" pageNumber="401">H. cracentis</emphasis>
|
||
</taxonomicName>
|
||
differs from the
|
||
<typeStatus id="54AE588CFF9BEE44E37CCD46FB9A833C" box="[1029,1127,1051,1077]" pageId="3" pageNumber="401">holotype</typeStatus>
|
||
in the absence of a tubercle on the hepatic region of the carapace.
|
||
</paragraph>
|
||
<paragraph id="8BAAE62EFF9BEE44E7BECD3FFC5183A8" blockId="3.[151,1437,150,1185]" pageId="3" pageNumber="401">
|
||
<emphasis id="B9613A3CFF9BEE44E7BECD3FFDF88375" bold="true" box="[199,517,1122,1148]" pageId="3" pageNumber="401">Geographical distribution.</emphasis>
|
||
Red Sea, Bay of Bengal (
|
||
<collectingCountry id="F302A6BEFF9BEE44E451CD3EFC9A8374" box="[808,871,1123,1149]" name="India" pageId="3" pageNumber="401">India</collectingCountry>
|
||
),
|
||
<collectingRegion id="49D128CCFF9BEE44E402CD3EFC508374" box="[891,941,1123,1149]" country="Indonesia" name="Jawa Timur" pageId="3" pageNumber="401">Java</collectingRegion>
|
||
(
|
||
<collectingCountry id="F302A6BEFF9BEE44E4C2CD3EFBD68374" box="[955,1067,1123,1149]" name="Indonesia" pageId="3" pageNumber="401">Indonesia</collectingCountry>
|
||
) (
|
||
<bibRefCitation id="EF849BDFFF9BEE44E33BCD3EFAB78374" author="Griffin, D. J. G. & Tranter, H. A." box="[1090,1354,1123,1149]" pageId="3" pageNumber="401" pagination="1 - 335" refId="ref15151" refString="Griffin, D. J. G. & Tranter, H. A. (1986) The Decapoda Brachyura of the Siboga expedition. Part VIII: Majidae. Siboga Expeditie, 39 C 4, 1 - 335, 22 pls. https: // doi. org / 10.1163 / 9789004626461 _ 002" type="journal article" year="1986">Griffin & Tranter 1986</bibRefCitation>
|
||
);
|
||
<collectingCountry id="F302A6BEFF9BEE44E227CD3EFF2883A8" name="Hong Kong" pageId="3" pageNumber="401">Hong Kong</collectingCountry>
|
||
(
|
||
<bibRefCitation id="EF849BDFFF9BEE44E79DCDDAFE6183A8" author="Loh, W. H. & Ng, P. K. L." box="[228,412,1159,1185]" pageId="3" pageNumber="401" pagination="59 - 72" refId="ref16798" refString="Loh, W. H. & Ng, P. K. L. (1999) Notes on some Southeast Asian species of spider crabs of the genera Doclea and Hyastenus (Crustacea: Decapoda: Brachyura: Majidae). Raffles Bulletin of Zoology, 47 (1), 59 - 72." type="journal article" year="1999">Loh & Ng 1999</bibRefCitation>
|
||
); eastern Arabian Sea off
|
||
<collectingCountry id="F302A6BEFF9BEE44E5C5CDDAFD0B83A8" box="[700,758,1159,1185]" name="India" pageId="3" pageNumber="401">India</collectingCountry>
|
||
(present study).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |