{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T14:00:01Z","timestamp":1790172001416,"version":"4.1.0"},"reference-count":16,"publisher":"Pensoft Publishers","license":[{"start":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T00:00:00Z","timestamp":1790121600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["ZK"],"abstract":"<jats:p>\n                    Three new brachyuran crab species of Hexapodidae are described from the Arabian Sea and Bay of Bengal, based on material collected by FORV Sagar Sampada between 2015 and 2019, with the genera\n                    <jats:italic>Mariaplax<\/jats:italic>\n                    Rahayu &amp; Ng, 2014, and\n                    <jats:italic>Hexapinus<\/jats:italic>\n                    Manning &amp; Holthuis, 1981, reported from Indian waters for the first time.\n                    <jats:italic>Mariaplax kochazhi<\/jats:italic>\n                    <jats:bold>sp. nov<\/jats:bold>\n                    ., and\n                    <jats:italic>M. albucus<\/jats:italic>\n                    <jats:bold>sp. nov<\/jats:bold>\n                    . were collected from the Arabian Sea at a depth 30 m while\n                    <jats:italic>Hexapinus clivus<\/jats:italic>\n                    <jats:bold>sp. nov<\/jats:bold>\n                    . was collected from the Bay of Bengal.\n                    <jats:italic>Mariaplax kochazhi<\/jats:italic>\n                    <jats:bold>sp. nov<\/jats:bold>\n                    . is most similar to\n                    <jats:italic>M. granulifera<\/jats:italic>\n                    (Campbell &amp; Stephensen, 1970) from Australia but can be distinguished by its proportionately wider carapace with the surfaces possessing larger granules, the pterygostomial region smooth with 5\u20137 striae, a rectangular ischium and more granulated merus of the third maxilliped, a subpentagonal male pleon telson, and a strongly curved S-shaped male first gonopod with a rounded distal tip.\n                    <jats:italic>Mariaplax albucus<\/jats:italic>\n                    <jats:bold>sp. nov<\/jats:bold>\n                    . is similar to\n                    <jats:italic>M. sundaica<\/jats:italic>\n                    Rahayu &amp; Widyastuti, 2018, from Java, but can easily be differentiated by a carapace that is as long as wide, a pterygostomial region that has 6 oblique striae, a relatively shorter and stouter P4 merus (4.0 times wider than long) and the distinctive structure of the vulva. In the latter species, the vulval operculum cover differs markedly from\n                    <jats:italic>M. kochazhi<\/jats:italic>\n                    , which is simple, rounded, and lacks a cover.\n                    <jats:italic>Hexapinus clivus<\/jats:italic>\n                    <jats:bold>sp. nov<\/jats:bold>\n                    . is morphologically close to the widely distributed\n                    <jats:italic>H. simplex<\/jats:italic>\n                    Rahayu &amp; Ng, 2014, from the West Pacific, but it can easily be differentiated by the weaker granulation on the carapace surface; possession of a relatively shorter and stouter P4 merus (2.5 times as long as wide); a proportionately wider male thoracic sternum, with the fused sternites 1 and 2 being subtriangular and the lateral margins gently sloping; and the semilunate vulva elevated and protruded, and positioned adjacent to the suture between sternites 5 and 6.\n                  <\/jats:p>","DOI":"10.3897\/zookeys.1292.204005","type":"journal-article","created":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T13:04:11Z","timestamp":1790168651000},"page":"349-372","source":"Crossref","is-referenced-by-count":0,"title":["First records of the genera Mariaplax Rahayu &amp;amp; Ng, 2014 and Hexapinus Manning &amp;amp; Holthuis, 1981 from India, with descriptions of three new species (Crustacea, Decapoda, Brachyura, Hexapodidae)"],"prefix":"10.3897","volume":"1292","author":[{"given":"Mani","family":"Prema","sequence":"first","affiliation":[{"name":"Centre for Marine Living Resources and Ecology, Ministry of Earth Sciences, Kochi, India"},{"name":"Lee Kong Chian Natural History Museum, National University of Singapore, Singapore, Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sherine Sonia","family":"Cubelio","sequence":"additional","affiliation":[{"name":"Centre for Marine Living Resources and Ecology, Ministry of Earth Sciences, Kochi, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter K. L.","family":"Ng","sequence":"additional","affiliation":[{"name":"Lee Kong Chian Natural History Museum, National University of Singapore, Singapore, Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2258","published-online":{"date-parts":[[2026,9,23]]},"reference":[{"key":"204005_B1","doi-asserted-by":"publisher","DOI":"10.5962\/bhl.title.15343"},{"key":"204005_B2","unstructured":"Campbell BM, Stephenson W (1970) The sublittoral Brachyura (Crustacea: Decapoda) of Moreton Bay. Memoirs of the Queensland Museum 15(4): 235\u2013301 [pl. 22]."},{"key":"204005_B3","doi-asserted-by":"publisher","DOI":"10.5962\/bhl.title.65803"},{"key":"204005_B4","doi-asserted-by":"publisher","DOI":"10.5479\/si.00810282.306"},{"key":"204005_B5","unstructured":"Miers EJ (1886) Report on the Brachyura collected by H.M.S. Challenger during the years 1873\u20131876. Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873\u20131876. XVII (XLIX): l [= 50]+362 pp., pls I\u2013XXIX."},{"key":"204005_B6","doi-asserted-by":"publisher","DOI":"10.18353\/crustacea.49.0_49"},{"key":"204005_B7","doi-asserted-by":"publisher","DOI":"10.11646\/zootaxa.3981.1.7"},{"key":"204005_B8","doi-asserted-by":"publisher","DOI":"10.1163\/15685403-00003868"},{"key":"204005_B9","doi-asserted-by":"publisher","DOI":"10.1071\/9781486311798"},{"key":"204005_B10","unstructured":"Rahayu DL, Ng PKL (2014) New genera, and new species of Hexapodidae (Crustacea, Brachyura) from the Indo-West Pacific and east Atlantic. Raffles Bulletin of Zoology 62: 396\u2013483."},{"key":"204005_B11","doi-asserted-by":"publisher","DOI":"10.11646\/zootaxa.4379.2.5"},{"key":"204005_B12","unstructured":"Rathbun MJ (1909) New crabs from the Gulf of Siam. Proceedings of the Biological Society of Washington 22: 107\u2013114."},{"key":"204005_B13","doi-asserted-by":"publisher","DOI":"10.11646\/zootaxa.5679.3.6"},{"key":"204005_B14","unstructured":"Ser\u00e8ne R, Soh CL (1976) Brachyura collected during the Thai-Danish Expedition (1966). Research Bulletin, Phuket Marine Biological Center 12: 1\u201337."},{"key":"204005_B15","doi-asserted-by":"publisher","DOI":"10.11646\/zootaxa.4502.1.1"},{"key":"204005_B16","doi-asserted-by":"publisher","DOI":"10.1080\/17451000.2014.889305"}],"container-title":["ZooKeys"],"original-title":[],"link":[{"URL":"https:\/\/zookeys.pensoft.net\/article\/204005\/download\/pdf\/","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/zookeys.pensoft.net\/article\/204005\/download\/xml\/","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/zookeys.pensoft.net\/article_preview.php?id=204005&skip_redirect=1","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T13:04:23Z","timestamp":1790168663000},"score":1,"resource":{"primary":{"URL":"https:\/\/zookeys.pensoft.net\/article\/204005\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,9,23]]},"references-count":16,"URL":"https:\/\/doi.org\/10.3897\/zookeys.1292.204005","relation":{},"ISSN":["1313-2970","1313-2989"],"issn-type":[{"value":"1313-2970","type":"electronic"},{"value":"1313-2989","type":"print"}],"subject":[],"published":{"date-parts":[[2026,9,23]]}}}