<documentid="10A96B4C78278183238092024DC37D47"ID-DOI="10.50826/bnmnszool.48.4_147"ID-ISSN="2434-091X"ID-Zenodo-Dep="12760084"IM.bibliography_approvedBy="felipe"IM.illustrations_approvedBy="felipe"IM.materialsCitations_approvedBy="felipe"IM.metadata_approvedBy="felipe"IM.tables_requiresApprovalFor="GgImagineBatch"IM.taxonomicNames_approvedBy="felipe"IM.treatments_approvedBy="felipe"checkinTime="1721224465839"checkinUser="felipe"docAuthor="Arzivian, Arteen, Alrubaie, Ahmad, Yang, Jessica, Lin, Huiyu, Zhang, Eva & Leong, Rupert"docDate="2022"docId="5F30F95FFFE89025FC82FD55FDB65B2E"docLanguage="en"docName="BullNatlMusNatSciSerA.48.4.147-191.pdf"docOrigin="Bulletin of the National Museum of Nature and Science. Series A, Zoology 48 (4)"docSource="http://dx.doi.org/10.1159/000539401"docStyle="DocumentStyle:A6FFB80BFE6276686563735C80A89639.2:BullNatlMusNatSciSerA.2021-.journal_article.english.affilindex"docStyleId="A6FFB80BFE6276686563735C80A89639"docStyleName="BullNatlMusNatSciSerA.2021-.journal_article.english.affilindex"docStyleVersion="2"docTitle="Thalamita sexlobata Miers 1886"docType="treatment"docVersion="2"lastPageNumber="170"masterDocId="A3098127FFFE9032FF95FF2AFFEF592B"masterDocTitle="Crabs (Crustacea, Decapoda) from the Seas of East and Southeast Asia Collected by the RV Hakuhō Maru (KH- 72 - 1 Cruise) 4. South China Sea"masterLastPageNumber="191"masterPageNumber="147"pageNumber="169"updateTime="1721225542202"updateUser="ExternalLinkService"zenodo-license-document="CC-BY-4.0">
<mods:titleid="6C730CB921222046D1DB8E31D12476E8">Crabs (Crustacea, Decapoda) from the Seas of East and Southeast Asia Collected by the RV Hakuhō Maru (KH- 72 - 1 Cruise) 4. South China Sea</mods:title>
<bibRefCitationid="B30835B8FFE89024FC6BFD55FB905BBC"author="Miers, E. J."box="[1022,1151,639,663]"pageId="22"pageNumber="169"pagination="1 - 362"refId="ref25313"refString="Miers, E. J. 1886. Report on the Brachyura collected by H. M. S. Challenger during the years 1873 - 76. Report on the Scientific Results of the Voyage of H. M. S. Challenger during the Years 1873 - 1876 under the Command of Captain George S. Nares, N. R., F. R. S. and the late Captain Frank Tourle Thomson, R. N., prepared under the Superintendence of the late Sir C. Wyville Thomson, Knt., F. R. S. & c. Regius Professor of Natural History in the University of Edinburgh of the Civilian Scientific Staff on Board and now of John Murray one of the Naturalists of the Expedition. Zoology, 17: i - l, 1 - 362, pls. 1 - 29."type="journal article"year="1886">Miers, 1886</bibRefCitation>
characterized by small body size, the pilose carapace surface, the large orbital fossae, and the presence of short transverse ridges and patch of granules behind the epibranchial ridge. The frontal margin is poorly developed, sinuous and seemingly four-lobed, with the outer lobe overlapping half of the inner lobe, as correctly figured by the original author (
<bibRefCitationid="B30835B8FFE89024FB1BFB88FD145DF6"author="Miers, E. J."pageId="22"pageNumber="169"pagination="1 - 362"refId="ref25313"refString="Miers, E. J. 1886. Report on the Brachyura collected by H. M. S. Challenger during the years 1873 - 76. Report on the Scientific Results of the Voyage of H. M. S. Challenger during the Years 1873 - 1876 under the Command of Captain George S. Nares, N. R., F. R. S. and the late Captain Frank Tourle Thomson, R. N., prepared under the Superintendence of the late Sir C. Wyville Thomson, Knt., F. R. S. & c. Regius Professor of Natural History in the University of Edinburgh of the Civilian Scientific Staff on Board and now of John Murray one of the Naturalists of the Expedition. Zoology, 17: i - l, 1 - 362, pls. 1 - 29."type="journal article"year="1886">Miers, 1886</bibRefCitation>
), the anterior margin of the outer lobe is shallowly concave at the subterminal part and shallowly separated from the supraorbital angle. In this case, the frontal margin is indistinctly six-lobed rather than four-lobed, being somewhat different from the figures given by
<bibRefCitationid="B30835B8FFE89024FBA7FA9DFB3F5CE4"author="Takeda, M."box="[1074,1232,1463,1487]"pageId="22"pageNumber="169"pagination="135 - 184"refId="ref28854"refString="Takeda, M. 1989. Shallow-water crabs from the Oshima Passage between Amami-Oshima and Kakeroma-jima Islands, the northern Ryukyu Islands. Memoirs of the National Science Museum, Tokyo 22: 135 - 184, pl. 4."type="journal article"year="1989">Takeda (1989)</bibRefCitation>
, and
<bibRefCitationid="B30835B8FFE89024FD61FAF0FC385CD9"author="Wee, D. P. C. & P. K. L. Ng"box="[756,983,1498,1522]"pageId="22"pageNumber="169"pagination="1 - 128"refId="ref29767"refString="Wee, D. P. C. and P. K. L. Ng 1995. Swimming crabs of the genera Charybdis De Haan, 1833, and Thalamita Latreille, 1829 (Crustacea: Decapoda: Brachyura: Portunidae) from Peninsular Malaysia and Singapore. Raffles Bulletin of Zoology, Supplement 1: 1 - 128."type="journal article"year="1995">Wee and Ng (1995)</bibRefCitation>
. This condition of the frontal lobes approaching to the six-lobed appearance was already mentioned by
<bibRefCitationid="B30835B8FFE89024FBE0F935FC275F71"author="Stephenson, W. & J. J. Hudson"pageId="22"pageNumber="169"pagination="312 - 368"refId="ref28568"refString="Stephenson, W. and J. J. Hudson 1957. The Australian portunids (Crustacea: Portunidae). I. The genus Thalamita. Australian Journal of Marine and Freshwater Research 8: 312 - 368, pls. 1 - 10."type="journal article"year="1957">Stephenson and Hudson (1957)</bibRefCitation>
. The carapace anterolateral margin is armed with five anteriorly-directed teeth including the external orbital tooth which is the largest of all; the second is slightly smaller than the first, but larger than the subequal third and fifth teeth; the fourth is apparently smaller than the others, but distinct in the specimens examined (
<bibRefCitationid="B30835B8FFE99025FF06FEC7FECF5B2E"author="Takeda, M."box="[147,288,493,517]"pageId="23"pageNumber="170"pagination="135 - 184"refId="ref28854"refString="Takeda, M. 1989. Shallow-water crabs from the Oshima Passage between Amami-Oshima and Kakeroma-jima Islands, the northern Ryukyu Islands. Memoirs of the National Science Museum, Tokyo 22: 135 - 184, pl. 4."type="journal article"year="1989">Takeda 1989</bibRefCitation>
;
<bibRefCitationid="B30835B8FFE99025FEBFFEC7FDA25B2E"author="Apel, M. & V. A. Spiridonov"box="[298,589,493,517]"pageId="23"pageNumber="170"pagination="159 - 331"refId="ref22454"refString="Apel, M. and V. A. Spiridonov 1998. Taxonomy and zoogeography of the portunid crabs (Crustacea: Decapoda Brachyura: Portunidae) of the Arabian Gulf and adjacent waters. Fauna of Arabia 17: 159 - 331."type="journal article"year="1998">Apel and Spiridonov, 1998</bibRefCitation>
