treatments-xml/data/03/BC/57/03BC5738FF9BEE43E7EECC67FC46841C.xml
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<document id="C33DAE8F5C481D9DFD660AD0FBC0D3DD" ID-CLB-Dataset="274290" ID-DOI="10.11646/zootaxa.5357.3.4" ID-GBIF-Dataset="44033c16-d494-439a-b750-71b16fb90247" ID-ISSN="1175-5326" ID-Zenodo-Dep="10063288" ID-ZooBank="75944208-37BF-484C-9917-F9376027C31E" IM.bibliography_approvedBy="carolina" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="carolina" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="carolina" IM.treatments_approvedBy="carolina" checkinTime="1697787053366" checkinUser="plazi" docAuthor="Padate, Vinay P., Periasamy, Rengaiyan, Rivonker, Chandrashekher U. &amp; Ingole, Baban S." docDate="2023" docId="03BC5738FF9BEE43E7EECC67FC46841C" docLanguage="en" docName="zootaxa.5357.3.4.pdf" docOrigin="Zootaxa 5357 (3)" docSource="http://dx.doi.org/10.11646/zootaxa.5357.3.4" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Thusaenys irami" docType="treatment" docVersion="6" lastPageNumber="402" masterDocId="FF852F40FF98EE47E779C95DFFFD8709" masterDocTitle="Coral reef-associated brachyuran fauna (Crustacea: Decapoda: Brachyura) from Angria Bank off the west coast of India" masterLastPageNumber="422" masterPageNumber="398" pageNumber="401" updateTime="1698924282826" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="C190C00C213A2443A514C5276FCCA185">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="0938D3F2BA2AAF5C1B1E6E48C08A1246">School of Earth, Ocean and Atmospheric Sciences, Goa University, Goa, 403206, India. &amp; curivonker @ unigoa. ac. in; https: // orcid. org / 0000 - 0002 - 5828 - 5032</mods:affiliation>
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<mods:affiliation id="E938D710DFC0EF8E317F47B20BFE1CEC">CSIR - National Institute of Oceanography, Dona Paula, Goa, 403004, India. &amp; babaningole @ ncpor. res. in; https: // orcid. org / 0000 - 0001 - 6096 - 6980 &amp; National Centre for Polar and Ocean Research, Ministry of Earth Sciences, Government of India, Headland Sada, Vasco-Da-Gama, Goa, 403804, India.</mods:affiliation>
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<emphasis id="B9613A3CFF9BEE44E7EECC67FDE6825D" bold="true" box="[151,539,1338,1365]" pageId="3" pageNumber="401">
<emphasis id="B9613A3CFF9BEE44E7EECC67FE9F825C" bold="true" box="[151,354,1338,1365]" italics="true" pageId="3" pageNumber="401">Thusaenys irami</emphasis>
(
<bibRefCitation id="EF849BDFFF9BEE44E608CC67FDEE825D" author="Laurie, R. D." box="[369,531,1338,1364]" pageId="3" pageNumber="401" 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>
)
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(
<figureCitation id="132EFAABFF9BEE44E7E6CC02FEF18270" box="[159,268,1375,1401]" 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 &amp; 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 46 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: AB, EJ, 1 mm, CD, 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. 2EI</figureCitation>
)
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<treatmentCitation id="0AB4C03FFF9BEE44E7EECCFEFE1482B2" author="Laurie, R. D." box="[151,489,1443,1467]" page="379" pageId="3" pageNumber="401" year="1906">
<taxonomicName id="4C159DADFF9BEE44E7EECCFEFE1482B2" ID-CoL="3JDT7" authority="Laurie, 1906: 379" authorityName="Laurie" authorityPageNumber="379" authorityYear="1906" box="[151,489,1443,1467]" class="Malacostraca" family="Epialtidae" genus="Halimus" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="401" phylum="Arthropoda" rank="species" species="irami">
<emphasis id="B9613A3CFF9BEE44E7EECCFEFED682B2" box="[151,299,1443,1467]" italics="true" pageId="3" pageNumber="401">Halimus irami</emphasis>
<bibRefCitation id="EF849BDFFF9BEE44E648CCFEFE1482B2" author="Laurie, R. D." box="[305,489,1443,1467]" pageId="3" pageNumber="401" 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: 379</bibRefCitation>
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, pl. 1 figs. 4, 4a (
<typeStatus id="54AE588CFF9BEE44E5E3CCFEFD3A82B2" box="[666,711,1443,1467]" pageId="3" pageNumber="401">type</typeStatus>
locality: Gulf of Mannar, Muttuvartu Par,
<collectingCountry id="F302A6BEFF9BEE44E303CCFEFB1D82B2" box="[1146,1248,1443,1467]" name="Sri Lanka" pageId="3" pageNumber="401">Sri Lanka</collectingCountry>
).—
<treatmentCitation id="0AB4C03FFF9BEE44E27DCCFEFF2B82D3" author="Rathbun, M. J." page="5" pageId="3" pageNumber="401" year="1924">
<bibRefCitation id="EF849BDFFF9BEE44E27DCCFEFF2B82D3" author="Rathbun, M. J." pageId="3" pageNumber="401" pagination="1 - 33" refId="ref19172" refString="Rathbun, M. J. (1924) Results of Dr. E. Mj ˆ berg's Swedish scientific expeditions to Australia 1910 - 1913 37. Brachyura, Albuneidae and Porcellanidae. Arkiv for Zoologi, 16 (23), 1 - 33, pl. 1." type="journal article" year="1924">Rathbun 1924: 5</bibRefCitation>
</treatmentCitation>
.
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<treatmentCitationGroup id="AB05C100FF9BEE44E7EECCBDFBBF82F1" box="[151,1090,1504,1529]" pageId="3" pageNumber="401">
<emphasis id="B9613A3CFF9BEE44E7EECCBDFEBA82F1" box="[151,327,1504,1528]" italics="true" pageId="3" pageNumber="401">
<taxonomicName id="4C159DADFF9BEE44E7EECCBDFEBF82F1" ID-CoL="56PC2" baseAuthorityName="Laurie" baseAuthorityYear="1906" box="[151,322,1504,1528]" class="Malacostraca" family="Epialtidae" genus="Thusaenys" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="401" phylum="Arthropoda" rank="species" species="irami">Thusaenys irami</taxonomicName>
.
</emphasis>
<treatmentCitation id="0AB4C03FFF9BEE44E626CCBDFD4D82F1" author="Griffin, D. J. G. &amp; Tranter, H. A." box="[351,688,1504,1529]" page="193" pageId="3" pageNumber="401" year="1986">
<bibRefCitation id="EF849BDFFF9BEE44E626CCBDFD4D82F1" author="Griffin, D. J. G. &amp; Tranter, H. A." box="[351,688,1504,1529]" pageId="3" pageNumber="401" pagination="1 - 335" refId="ref15151" refString="Griffin, D. J. G. &amp; 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 &amp; Tranter 1986: 193196</bibRefCitation>
</treatmentCitation>
, fig. 66cd.—
<treatmentCitation id="0AB4C03FFF9BEE44E439CCBDFBF882F1" author="Ng, P. K. L. &amp; Guinot, D. &amp; Davie, P. J. F." box="[832,1029,1504,1529]" page="106" pageId="3" pageNumber="401" year="2008">
<bibRefCitation id="EF849BDFFF9BEE44E439CCBDFBF882F1" author="Ng, P. K. L. &amp; Guinot, D. &amp; Davie, P. J. F." box="[832,1029,1504,1529]" pageId="3" pageNumber="401" pagination="1 - 286" refId="ref17963" refString="Ng, P. K. L., Guinot, D. &amp; 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">
Ng
<emphasis id="B9613A3CFF9BEE44E41FCCBCFC6E82F1" box="[870,915,1504,1528]" italics="true" pageId="3" pageNumber="401">et al</emphasis>
. 2008: 106
</bibRefCitation>
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[list].
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</paragraph>
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<emphasis id="B9613A3CFF9BEE44E7EECF7BFE7C8149" bold="true" box="[151,385,1574,1600]" pageId="3" pageNumber="401">Material examined.</emphasis>
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<collectingRegion id="49D128CCFF9BEE44E6F1CF7AFE3F8148" box="[392,450,1575,1601]" country="Maldives" name="Maale" pageId="3" pageNumber="401">Male</collectingRegion>
(3.0 ×
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<collectorName id="26E083F8FF9BEE44E681CF16FD9F816C" box="[504,610,1611,1637]" pageId="3" pageNumber="401">Van Veen</collectorName>
grab, coll.
<collectionCode id="ED047EEBFF9BEE44E598CF16FD0A816C" box="[737,759,1611,1637]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="3" pageNumber="401">R</collectionCode>
.
<collectorName id="26E083F8FF9BEE44E47BCF16FC85816C" box="[770,888,1611,1637]" pageId="3" pageNumber="401">Periasamy</collectorName>
,
<date id="FFABC0EEFF9BEE44E4FACF16FBCF816C" box="[899,1074,1611,1637]" pageId="3" pageNumber="401" value="2014-01-06">
<collectingDate id="EFEF3906FF9BEE44E4FACF16FBCF816C" box="[899,1074,1611,1637]" pageId="3" pageNumber="401" value="2014-01-06">6 January 2014</collectingDate>
</date>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C30FB5A5FF9BEE44E7BECF33FA7C80F8" pageId="3" pageNumber="401" type="diagnosis">
<paragraph id="8BAAE62EFF9BEE44E7BECF33FE5080C4" blockId="3.[151,1437,1574,2033]" pageId="3" pageNumber="401">
<emphasis id="B9613A3CFF9BEE44E7BECF33FEBF8181" bold="true" box="[199,322,1646,1672]" pageId="3" pageNumber="401">Diagnosis.</emphasis>
Carapace pyriform, longer than wide, smooth, covered with short, stiff setae, intestinal region with low tubercle (
<figureCitation id="132EFAABFF9BEE44E64BCFCEFE5A81A4" box="[306,423,1683,1709]" 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 &amp; 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 46 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: AB, EJ, 1 mm, CD, 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. 2E, F</figureCitation>
). Rostrum length nearly 0.5 × post-rostral CL; rostral spines slender, horizontal, divergent from the base, lacking accessory spine; dorsal carapace smooth; Orbits reduced, supraorbital eave produced into indistinct preorbital spine, cupped postorbital process with an extension on posterior margin of upper orbital hiatus (
<figureCitation id="132EFAABFF9BEE44E7E6CFA2FEEA8010" box="[159,279,1791,1817]" 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 &amp; 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 46 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: AB, EJ, 1 mm, CD, 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. 2F, G</figureCitation>
). Supraorbital eave margin weakly concave. Basal antennal article broad, anterolateral angle produced into strong spine separated from flagellar base by notch (indicated by arrowhead in
<figureCitation id="132EFAABFF9BEE44E345CE7EFB688034" box="[1084,1173,1827,1853]" 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 &amp; 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 46 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: AB, EJ, 1 mm, CD, 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. 2G</figureCitation>
); lateral margin convex (
<figureCitation id="132EFAABFF9BEE44E7E6CE1AFF078068" box="[159,250,1863,1889]" 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 &amp; 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 46 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: AB, EJ, 1 mm, CD, 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. 2G</figureCitation>
). Maxilliped 3 merus quadrilateral, as long as wide, length 0.5 × ischial length (
<figureCitation id="132EFAABFF9BEE44E307CE1AFB248068" box="[1150,1241,1863,1889]" 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 &amp; 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 46 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: AB, EJ, 1 mm, CD, 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. 2G</figureCitation>
). Pterygostomian region with 2 tubercles (
<figureCitation id="132EFAABFF9BEE44E6DBCE36FE06808C" box="[418,507,1899,1925]" 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 &amp; 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 46 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: AB, EJ, 1 mm, CD, 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. 2G</figureCitation>
). Chelipeds slender (
<figureCitation id="132EFAABFF9BEE44E59BCE36FCC6808C" box="[738,827,1899,1925]" 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 &amp; 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 46 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: AB, EJ, 1 mm, CD, 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. 2H</figureCitation>
).
<collectingRegion id="49D128CCFF9BEE44E434CE36FC7A808C" box="[845,903,1899,1925]" country="Maldives" name="Maale" pageId="3" pageNumber="401">Male</collectingRegion>
pleon terminally tapering, telson sub-triangular, not inserted deeply into somite 6 (
<figureCitation id="132EFAABFF9BEE44E550CED2FD7A80A0" box="[553,647,1935,1961]" 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 &amp; 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 46 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: AB, EJ, 1 mm, CD, 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. 2H</figureCitation>
). G1 expanded at distal tip, groove present near lateral margin near pleonal surface (
<figureCitation id="132EFAABFF9BEE44E628CEEEFE5D80C4" box="[337,416,1971,1997]" 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 &amp; 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 46 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: AB, EJ, 1 mm, CD, 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. 2I</figureCitation>
).
</paragraph>
<paragraph id="8BAAE62EFF9BEE44E7BECE8BFA7C80F8" blockId="3.[151,1437,1574,2033]" box="[199,1409,2006,2033]" pageId="3" pageNumber="401">
<emphasis id="B9613A3CFF9BEE44E7BECE8BFEA280F9" bold="true" box="[199,351,2006,2032]" pageId="3" pageNumber="401">Colouration.</emphasis>
Fresh specimen: reddish, chelae greyish (
<figureCitation id="132EFAABFF9BEE44E44DCE8AFC7180F8" box="[820,908,2007,2033]" 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 &amp; 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 46 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: AB, EJ, 1 mm, CD, 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. 2E</figureCitation>
). Preserved specimen: light brown (
<figureCitation id="132EFAABFF9BEE44E267CE8AFA8980F8" box="[1310,1396,2007,2033]" 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 &amp; 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 46 and telson, ventral view; (I) left cheliped, external view; (J) distal portion of left G1, pleonal view. Scale bars: AB, EJ, 1 mm, CD, 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. 2F</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C30FB5A5FF9CEE43E7BEC9CBFEA48614" pageId="4" pageNumber="402" type="biology_ecology">
<paragraph id="8BAAE62EFF9CEE43E7BEC9CBFEA48614" blockId="4.[151,1437,150,789]" pageId="4" pageNumber="402">
<emphasis id="B9613A3CFF9CEE43E7BEC9CBFEDA87B9" bold="true" box="[199,295,150,176]" pageId="4" pageNumber="402">Biology.</emphasis>
Known to occur underneath sub-tidal rocks, inside pearl oysters, over muddy substrates, vicinity of corals and
<taxonomicName id="4C159DADFF9CEE43E661C9E6FE4087DC" authorityName="Heydrich" authorityYear="1897" box="[280,445,187,213]" class="Florideophyceae" family="Hapalidiaceae" genus="Lithothamnion" kingdom="Plantae" order="Corallinales" pageId="4" pageNumber="402" phylum="Rhodophyta" rank="genus">
<emphasis id="B9613A3CFF9CEE43E661C9E6FE4087DC" box="[280,445,187,213]" italics="true" pageId="4" pageNumber="402">Lithothamnion</emphasis>
</taxonomicName>
;
<quantity id="4CED4BCBFF9CEE43E6A9C9E6FDCB87DC" box="[464,566,187,213]" metricMagnitude="1" metricUnit="m" metricValue="3.65" metricValueMax="3.7" metricValueMin="3.6" pageId="4" pageNumber="402" unit="m" value="36.5" valueMax="37.0" valueMin="36.0">3637 m</quantity>
(
<bibRefCitation id="EF849BDFFF9CEE43E531C9E6FCA487DC" author="Griffin, D. J. G. &amp; Tranter, H. A." box="[584,857,187,213]" pageId="4" pageNumber="402" pagination="1 - 335" refId="ref15151" refString="Griffin, D. J. G. &amp; 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 &amp; Tranter 1986</bibRefCitation>
; present study).
<bibRefCitation id="EF849BDFFF9CEE43E365C9E6FB4687DC" author="Laurie, R. D." box="[1052,1211,187,213]" pageId="4" pageNumber="402" 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>
reported
<taxonomicName id="4C159DADFF9CEE43E257C9E6FA6187DC" box="[1326,1436,187,213]" class="Maxillopoda" family="Sacculinidae" genus="Sacculina" kingdom="Animalia" order="Kentrogonida" pageId="4" pageNumber="402" phylum="Arthropoda" rank="genus">
<emphasis id="B9613A3CFF9CEE43E257C9E6FA6187DC" box="[1326,1436,187,213]" italics="true" pageId="4" pageNumber="402">Sacculina</emphasis>
</taxonomicName>
infestation from
<collectingCountry id="F302A6BEFF9CEE43E628C982FE3E87F0" box="[337,451,223,249]" name="Sri Lanka" pageId="4" pageNumber="402">Sri Lanka</collectingCountry>
. The present specimen was collected from rocky substrate, at
<quantity id="4CED4BCBFF9CEE43E30CC982FB5387F0" box="[1141,1198,223,249]" metricMagnitude="1" metricUnit="m" metricValue="3.7" pageId="4" pageNumber="402" unit="m" value="37.0">37 m</quantity>
depth, in the vicinity of
<taxonomicName id="4C159DADFF9CEE43E7CFC85EFEF58615" authorityName="Link" authorityYear="1807" box="[182,264,259,284]" class="Anthozoa" family="Merulinidae" genus="Favites" kingdom="Animalia" order="Scleractinia" pageId="4" pageNumber="402" phylum="Cnidaria" rank="genus">
<emphasis id="B9613A3CFF9CEE43E7CFC85EFEF58615" box="[182,264,259,284]" italics="true" pageId="4" pageNumber="402">Favites</emphasis>
</taxonomicName>
corals.
</paragraph>
</subSubSection>
<subSubSection id="C30FB5A5FF9CEE43E7BEC87AFC46841C" pageId="4" pageNumber="402" type="discussion">
<paragraph id="8BAAE62EFF9CEE43E7BEC87AFAD285A0" blockId="4.[151,1437,150,789]" pageId="4" pageNumber="402">
<emphasis id="B9613A3CFF9CEE43E7BEC87AFEC68648" bold="true" box="[199,315,295,321]" pageId="4" pageNumber="402">Remarks.</emphasis>
<bibRefCitation id="EF849BDFFF9CEE43E63BC87AFE208648" author="Laurie, R. D." box="[322,477,295,321]" pageId="4" pageNumber="402" 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>
described
<taxonomicName id="4C159DADFF9CEE43E52FC87AFD058649" authorityName="Laurie" authorityYear="1906" box="[598,760,295,321]" class="Malacostraca" family="Epialtidae" genus="Halimus" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="402" phylum="Arthropoda" rank="species" species="irami">
<emphasis id="B9613A3CFF9CEE43E52FC87AFD058649" box="[598,760,295,321]" italics="true" pageId="4" pageNumber="402">Halimus irami</emphasis>
</taxonomicName>
from an ovigerous female collected from Muttuvartu Par, in the Gulf of Mannar (
<collectingCountry id="F302A6BEFF9CEE43E602C816FE13866C" box="[379,494,331,357]" name="Sri Lanka" pageId="4" pageNumber="402">Sri Lanka</collectingCountry>
).
<bibRefCitation id="EF849BDFFF9CEE43E686C816FCF2866C" author="Griffin, D. J. G. &amp; Tranter, H. A." box="[511,783,331,357]" pageId="4" pageNumber="402" pagination="1 - 335" refId="ref15151" refString="Griffin, D. J. G. &amp; 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 &amp; Tranter (1986)</bibRefCitation>
included
<taxonomicName id="4C159DADFF9CEE43E402C816FBE0866D" authorityName="Laurie" authorityYear="1906" box="[891,1053,331,357]" class="Malacostraca" family="Epialtidae" genus="Halimus" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="402" phylum="Arthropoda" rank="species" species="irami">
<emphasis id="B9613A3CFF9CEE43E402C816FBE0866D" box="[891,1053,331,357]" italics="true" pageId="4" pageNumber="402">Halimus irami</emphasis>
</taxonomicName>
in a new genus,
<taxonomicName id="4C159DADFF9CEE43E3AAC816FAB4866C" authorityName="Griffin &amp; Tranter" authorityYear="1986" box="[1235,1353,331,357]" class="Malacostraca" family="Epialtidae" genus="Thusaenys" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="402" phylum="Arthropoda" rank="genus">
<emphasis id="B9613A3CFF9CEE43E3AAC816FAB4866C" box="[1235,1353,331,357]" italics="true" pageId="4" pageNumber="402">Thusaenys</emphasis>
</taxonomicName>
, owing to the strongly produced basal antennal article with anterior notch and the broad, weakly lobed supraorbital eave.
<taxonomicName id="4C159DADFF9CEE43E7EEC8CEFEAF86A5" baseAuthorityName="Laurie" baseAuthorityYear="1906" box="[151,338,403,429]" class="Malacostraca" family="Epialtidae" genus="Thusaenys" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="402" phylum="Arthropoda" rank="species" species="irami">
<emphasis id="B9613A3CFF9CEE43E7EEC8CEFEAF86A5" box="[151,338,403,429]" italics="true" pageId="4" pageNumber="402">Thusaenys irami</emphasis>
</taxonomicName>
differs from its closest congener
<taxonomicName id="4C159DADFF9CEE43E5B0C8CEFC0386A4" authority="(Alcock, 1895)" baseAuthorityName="Alcock" baseAuthorityYear="1895" box="[713,1022,402,429]" class="Malacostraca" family="Epialtidae" genus="Thusaenys" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="402" phylum="Arthropoda" rank="species" species="calvarius">
<emphasis id="B9613A3CFF9CEE43E5B0C8CEFCB086A4" box="[713,845,403,429]" italics="true" pageId="4" pageNumber="402">T. calvarius</emphasis>
(
<bibRefCitation id="EF849BDFFF9CEE43E425C8CEFC0B86A4" author="Alcock, A." box="[860,1014,402,429]" pageId="4" pageNumber="402" pagination="157 - 291" refId="ref12069" refString="Alcock, A. (1895) Materials for a carcinological fauna of India. No. 1. The Brachyura Oxyrhyncha. Journal of the Asiatic Society of Bengal, 64 (2), 157 - 291, pls. 3 - 5. https: // doi. org / 10.5962 / bhl. title. 16033" type="journal article" year="1895">Alcock, 1895</bibRefCitation>
)
</taxonomicName>
in having basal antennal article with weakly convex lateral margin (vs. strongly produced lateral margin in the latter species (cf.
<bibRefCitation id="EF849BDFFF9CEE43E3EEC8EAFAD786D8" author="Takeda, M." box="[1175,1322,439,465]" pageId="4" pageNumber="402" pagination="7 - 42" refId="ref20803" refString="Takeda, M. (2023) A small collection of subtidal crabs (Crustacea: Decapoda: Brachyura) from the Palau Islands collected by dredging. Bulletin of the National Museum of Nature and Science, Series A, Zoology, 49 (1), 7 - 42." type="journal article" year="2023">Takeda 2023</bibRefCitation>
: fig. 1B)), and low tubercle on the intestinal region (compared to short, strong median spine in the latter (cf.
<bibRefCitation id="EF849BDFFF9CEE43E3A0C886FA9186FC" author="Takeda, M." box="[1241,1388,475,501]" pageId="4" pageNumber="402" pagination="7 - 42" refId="ref20803" refString="Takeda, M. (2023) A small collection of subtidal crabs (Crustacea: Decapoda: Brachyura) from the Palau Islands collected by dredging. Bulletin of the National Museum of Nature and Science, Series A, Zoology, 49 (1), 7 - 42." type="journal article" year="2023">Takeda 2023</bibRefCitation>
: fig. 1A)). The Indian specimen conforms to the
<typeStatus id="54AE588CFF9CEE43E5FDC8A2FD1B8510" box="[644,742,511,537]" pageId="4" pageNumber="402">holotype</typeStatus>
description (
<bibRefCitation id="EF849BDFFF9CEE43E401C8A2FBFE8510" author="Laurie, R. D." box="[888,1027,511,537]" pageId="4" pageNumber="402" 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>
) in the nearly smooth dorsal surface of the carapace, the presence of a low tubercle on the intestinal region, a relatively long rostrum nearly half as long as the remaining carapace, supraorbital eave anteriorly projecting into triangular tooth, and a gently convex lateral margin of the basal antennal article which is produced into strong spine separated from flagellar base by a notch. On the other hand, the present specimen differs from the
<typeStatus id="54AE588CFF9CEE43E594CBD2FCB285A0" box="[749,847,655,681]" pageId="4" pageNumber="402">holotype</typeStatus>
in the absence of an epibranchial tubercle.
</paragraph>
<paragraph id="8BAAE62EFF9CEE43E7BECBEFFC46841C" blockId="4.[151,1437,150,789]" pageId="4" pageNumber="402">
<emphasis id="B9613A3CFF9CEE43E7BECBEFFDFB85C5" bold="true" box="[199,518,690,716]" pageId="4" pageNumber="402">Geographical distribution.</emphasis>
<collectingCountry id="F302A6BEFF9CEE43E577CBEEFD8585C4" box="[526,632,691,717]" name="Australia" pageId="4" pageNumber="402">Australia</collectingCountry>
, New
<collectingCountry id="F302A6BEFF9CEE43E5B8CBEEFCE885C4" box="[705,789,691,717]" name="Guinea-Bissau" pageId="4" pageNumber="402">Guinea</collectingCountry>
,
<collectingCountry id="F302A6BEFF9CEE43E458CBEEFC6C85C4" box="[801,913,691,717]" name="Indonesia" pageId="4" pageNumber="402">Indonesia</collectingCountry>
, and Gulf of Mannar off
<collectingCountry id="F302A6BEFF9CEE43E3C8CBEEFAE285C4" box="[1201,1311,691,717]" name="Sri Lanka" pageId="4" pageNumber="402">Sri Lanka</collectingCountry>
(
<bibRefCitation id="EF849BDFFF9CEE43E256CBEEFED685F8" author="Griffin, D. J. G. &amp; Tranter, H. A." pageId="4" pageNumber="402" pagination="1 - 335" refId="ref15151" refString="Griffin, D. J. G. &amp; 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 &amp; Tranter 1986</bibRefCitation>
); eastern Arabian Sea off
<collectingCountry id="F302A6BEFF9CEE43E532CB8AFD7885F8" box="[587,645,727,753]" name="India" pageId="4" pageNumber="402">India</collectingCountry>
(present study). The present observation is the first record from Indian waters indicating westward extension of the known geographical range.
</paragraph>
</subSubSection>
</treatment>
</document>