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<document id="DB792F80454873A523A7DF4F136F7197" ID-CLB-Dataset="55729" ID-DOI="10.1080/00222933.2020.1763491" ID-GBIF-Dataset="fb05d004-0f2d-44da-b91e-b6e8304ab2a5" ID-ISSN="1464-5262" ID-Zenodo-Dep="4609148" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" checkinTime="1615924067624" checkinUser="carolina" docAuthor="Naruse, Tohru &amp; Ng, Peter K. L." docDate="2020" docId="B15D87DEFFDDBE5A6EDBFD1B0C4E9AE5" docLanguage="en" docName="JNATHIST.54.7-8.445-532.pdf" docOrigin="Journal of Natural History (J. Nat. Hist.) 54 (7 - 8)" docSource="http://dx.doi.org/10.1080/00222933.2020.1763491" docStyle="DocumentStyle:485A7191CD41D6261F41521A3380DC73.9:JNatHist.2017-.journal_article.1cover" docStyleId="485A7191CD41D6261F41521A3380DC73" docStyleName="JNatHist.2017-.journal_article.1cover" docStyleVersion="9" docTitle="Mindanium Naruse &amp; Ng 2020, gen. nov." docType="treatment" docUuid="F915A237-E8F1-4284-ADDD-649558E03FAA" docUuidSource="ZooBank" docVersion="8" lastPageNumber="500" masterDocId="4D64FFA6FFEABE626F33FF9E0F509F28" masterDocTitle="Revision of the sesarmid crab genera Labuanium Serène and Soh, 1970, Scandarma Schubart, Liu and Cuesta, 2003 and Namlacium Serène and Soh, 1970 (Crustacea: Decapoda: Brachyura: Sesarmidae), with descriptions of four new genera and two new species" masterLastPageNumber="532" masterPageNumber="445" pageNumber="499" updateTime="1698933465109" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="2703BA8FDC9F2E47E3D52A980609A076">Revision of the sesarmid crab genera Labuanium Serène and Soh, 1970, Scandarma Schubart, Liu and Cuesta, 2003 and Namlacium Serène and Soh, 1970 (Crustacea: Decapoda: Brachyura: Sesarmidae), with descriptions of four new genera and two new species</mods:title>
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<mods:namePart id="355A4423E59EA6012A560DC34238BE31">Naruse, Tohru</mods:namePart>
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<mods:namePart id="4B3C9F1DCB4F92360C0CE4EFDCFF92E9">Ng, Peter K. L.</mods:namePart>
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<mods:title id="F00A8A5F666B33D4AFDB5D9315C130F6">Journal of Natural History</mods:title>
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<mods:date id="07B41105200BECCD374B1B30A217D0F2">2020</mods:date>
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<mods:title id="EBC507B5C662B6FB73C016064BA5B809">J. Nat. Hist.</mods:title>
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<mods:number id="FF76EF35AC88A2AF4EC056C431F360C2">2020-08-12</mods:number>
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<treatment id="B15D87DEFFDDBE5A6EDBFD1B0C4E9AE5" ID-DOI="http://doi.org/10.5281/zenodo.6518979" ID-GBIF-Taxon="195191659" ID-Zenodo-Dep="6518979" LSID="urn:lsid:zoobank.org:act:F915A237-E8F1-4284-ADDD-649558E03FAA" httpUri="http://treatment.plazi.org/id/B15D87DEFFDDBE5A6EDBFD1B0C4E9AE5" lastPageId="56" lastPageNumber="500" pageId="55" pageNumber="499">
<subSubSection id="71EE6543FFDDBE556EDBFD1B0C6B9DB7" box="[488,827,645,671]" pageId="55" pageNumber="499" type="nomenclature">
<paragraph id="394B36C8FFDDBE556EDBFD1B0C6B9DB7" blockId="55.[488,827,645,671]" box="[488,827,645,671]" pageId="55" pageNumber="499">
<heading id="620381A4FFDDBE556EDBFD1B0C6B9DB7" box="[488,827,645,671]" centered="true" fontSize="11" level="2" pageId="55" pageNumber="499" reason="2">
Genus
<taxonomicName id="FEF44D4BFFDDBE556D09FD1B0D959DB7" ID-CoL="84GNX" authority="Naruse &amp; Ng, 2020" authorityName="Naruse &amp; Ng" authorityYear="2020" box="[570,709,645,671]" class="Malacostraca" family="Sesarmidae" genus="Mindanium" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="55" pageNumber="499" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="0B80EADAFFDDBE556D09FD1B0D959DB7" bold="true" box="[570,709,645,671]" italics="true" pageId="55" pageNumber="499">Mindanium</emphasis>
</taxonomicName>
<taxonomicNameLabel id="10B357A1FFDDBE556DFDFD1B0C6B9DB7" box="[718,827,645,671]" pageId="55" pageNumber="499" rank="genus">gen. nov.</taxonomicNameLabel>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="71EE6543FFDDBE556F93FD420D919CA8" pageId="55" pageNumber="499" type="type_taxon">
<paragraph id="394B36C8FFDDBE556F93FD420E639DDE" blockId="55.[160,975,732,792]" box="[160,307,732,758]" pageId="55" pageNumber="499">
<emphasis id="0B80EADAFFDDBE556F93FD420E639DDE" bold="true" box="[160,307,732,758]" italics="true" pageId="55" pageNumber="499">
<typeStatus id="E64F886AFFDDBE556F93FD420F889DDE" box="[160,216,732,758]" pageId="55" pageNumber="499">Type</typeStatus>
species
</emphasis>
</paragraph>
<paragraph id="394B36C8FFDDBE556F93FD610C9F9C30" blockId="55.[160,975,732,792]" box="[160,975,767,792]" pageId="55" pageNumber="499">
<taxonomicName id="FEF44D4BFFDDBE556F93FD610D579C30" authority="Burger, 1893" authorityName="Burger" authorityYear="1893" box="[160,519,767,792]" class="Malacostraca" family="Sesarmidae" genus="Sesarma" kingdom="Animalia" order="Decapoda" pageId="55" pageNumber="499" phylum="Arthropoda" rank="species" species="cruciatum">
<emphasis id="0B80EADAFFDDBE556F93FD610E219C30" box="[160,369,767,792]" italics="true" pageId="55" pageNumber="499">Sesarma cruciatum</emphasis>
<bibRefCitation id="5D654B39FFDDBE556E4BFD610D579C30" author="Burger O" box="[376,519,767,792]" pageId="55" pageNumber="499" pagination="613 - 632" refId="ref40139" refString="Burger O. 1893. Beitrage zur Kenntniss der Gattung Sesarma. Zool Jahrb Abt Syst Geogr Biol Thiere. 7 (4): 613 - 632, pl. 21." type="journal article" year="1893">Bürger, 1893</bibRefCitation>
</taxonomicName>
, by present designation. Gender neuter.
</paragraph>
<paragraph id="394B36C8FFDDBE556F93FCDA0E0F9C76" blockId="55.[160,705,836,896]" box="[160,351,836,862]" pageId="55" pageNumber="499">
<emphasis id="0B80EADAFFDDBE556F93FCDA0E0F9C76" bold="true" box="[160,351,836,862]" italics="true" pageId="55" pageNumber="499">Included species</emphasis>
</paragraph>
<paragraph id="394B36C8FFDDBE556F93FCF90D919CA8" blockId="55.[160,705,836,896]" box="[160,705,871,896]" pageId="55" pageNumber="499">
<taxonomicName id="FEF44D4BFFDDBE556F93FCF90D689CA8" ID-CoL="84GZK" authority="(Burger, 1893)" authorityName="Naruse &amp; Ng" authorityYear="2020" baseAuthorityName="Burger" baseAuthorityYear="1893" box="[160,568,871,896]" class="Malacostraca" family="Sesarmidae" genus="Mindanium" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="55" pageNumber="499" phylum="Arthropoda" rank="species" species="cruciatum" status="comb. nov.">
<emphasis id="0B80EADAFFDDBE556F93FCF90EC19CA8" box="[160,401,871,896]" italics="true" pageId="55" pageNumber="499">Mindanium cruciatum</emphasis>
(
<bibRefCitation id="5D654B39FFDDBE556EACFCF90D7F9CA8" author="Burger O" box="[415,559,871,896]" pageId="55" pageNumber="499" pagination="613 - 632" refId="ref40139" refString="Burger O. 1893. Beitrage zur Kenntniss der Gattung Sesarma. Zool Jahrb Abt Syst Geogr Biol Thiere. 7 (4): 613 - 632, pl. 21." type="journal article" year="1893">Bürger, 1893</bibRefCitation>
)
</taxonomicName>
,
<taxonomicNameLabel id="10B357A1FFDDBE556D77FCF90D919CA8" box="[580,705,871,896]" pageId="55" pageNumber="499" rank="species">comb. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="71EE6543FFDDBE556F93FC320E5F99E8" pageId="55" pageNumber="499" type="diagnosis">
<paragraph id="394B36C8FFDDBE556F93FC320E449CEE" blockId="55.[159,1156,940,1728]" box="[160,276,940,966]" pageId="55" pageNumber="499">
<emphasis id="0B80EADAFFDDBE556F93FC320E449CEE" bold="true" box="[160,276,940,966]" italics="true" pageId="55" pageNumber="499">Diagnosis</emphasis>
</paragraph>
<paragraph id="394B36C8FFDDBE556F93FC510E5F99E8" blockId="55.[159,1156,940,1728]" pageId="55" pageNumber="499">Carapace squarish, as long as wide; lateral margin slightly sinuous, with 2 distinct epibranchial teeth behind external orbital angle; posterolateral margins parallel; dorsal surface slightly convex longitudinally and transversely. Front deflexed at anterior margin of postfrontal lobes by more than 90°, distally sloping ventroposteriorly; frontal margin bilobed with wide median concavity, lobes short, recurved, directed anteriorly, slightly overhanging onto antennular fossae; antennular septum dorsally attached to median concavity of frontal margin. Two pairs of postfrontal lobes aligned anteriorly, reaching beyond frontal margin in dorsal view, overhanging onto front; mesial lobes slightly wider than lateral lobes. Antennular septum wide, short. Orbit, in dorsal view, tilted J-shaped, median part of supraorbital margins oblique; inner orbital tooth short, subtriangular, directed anteriorly. No longitudinal ridge on ventral surface of external orbital angle. Epistome posterior margin with 3 triangular lobes, lateral lobes directed anteroventrally,median lobe directed ventrally. Antenna entering orbit through wide gap between inner orbital tooth and front.Mxp3 exopod with distinct flagellum.Female chela palm without ridge or row of granules on upper surface; outer surface granulated but without prominent protuberance; inner surface without transverse rows of granules; thick rim extending along occlusal margin of immovable finger to dactylar articulation on both outer and inner surfaces, thick rims of both outer and inner surfaces not interrupted near dactylar articulation. Upper-inner margin of movable finger with 1 short sparse row of granules over three-fifths of the length. Ambulatory legs (P2–5) moderately long and stout generally, dorso-ventrally flattened; distal anterior corner of each merus weakly falcate, followed proximally by weak angle; carpi and propodi narrower than meri; dactyli short, about half length of respective propodus.</paragraph>
</subSubSection>
<subSubSection id="71EE6543FFD2BE5A6F93FF100B319FC5" pageId="56" pageNumber="500" type="etymology">
<paragraph id="394B36C8FFD2BE5A6F93FF100E4D9F80" blockId="56.[160,1156,142,237]" box="[160,285,142,168]" pageId="56" pageNumber="500">
<emphasis id="0B80EADAFFD2BE5A6F93FF100E4D9F80" bold="true" box="[160,285,142,168]" italics="true" pageId="56" pageNumber="500">Etymology</emphasis>
</paragraph>
<paragraph id="394B36C8FFD2BE5A6F93FF2C0B319FC5" blockId="56.[160,1156,142,237]" pageId="56" pageNumber="500">
The generic name ‘
<taxonomicName id="FEF44D4BFFD2BE5A6EB2FF2C0EAE9FE3" authorityName="Naruse &amp; Ng" authorityYear="2020" box="[385,510,178,203]" class="Malacostraca" family="Sesarmidae" genus="Mindanium" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus">
<emphasis id="0B80EADAFFD2BE5A6EB2FF2C0EAE9FE3" box="[385,510,178,203]" italics="true" pageId="56" pageNumber="500">Mindanium</emphasis>
</taxonomicName>
’ is derived from an arbitrary combination of Mindanao (
<typeStatus id="E64F886AFFD2BE5A6F95FF4A0F899FC5" box="[166,217,212,237]" pageId="56" pageNumber="500">type</typeStatus>
locality of the
<typeStatus id="E64F886AFFD2BE5A6EB1FF4A0EE49FC5" box="[386,436,212,237]" pageId="56" pageNumber="500">type</typeStatus>
species) and the suffix for
<taxonomicName id="FEF44D4BFFD2BE5A6DD7FF4A0C309FC5" authorityName=", Serene and Soh" authorityYear="1970" box="[740,864,212,237]" class="Malacostraca" family="Sesarmidae" genus="Labuanium" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus">
<emphasis id="0B80EADAFFD2BE5A6DD7FF4A0C309FC5" box="[740,864,212,237]" italics="true" pageId="56" pageNumber="500">Labuanium</emphasis>
</taxonomicName>
, ‘
<emphasis id="0B80EADAFFD2BE5A6C41FF4A0CF49FC5" box="[882,932,212,237]" italics="true" pageId="56" pageNumber="500">-ium</emphasis>
’. Gender neuter.
</paragraph>
</subSubSection>
<subSubSection id="71EE6543FFD2BE5A6F93FE870C4E9AE5" pageId="56" pageNumber="500" type="discussion">
<paragraph id="394B36C8FFD2BE5A6F93FE870E569E1B" blockId="56.[160,1156,281,1485]" box="[160,262,281,307]" pageId="56" pageNumber="500">
<emphasis id="0B80EADAFFD2BE5A6F93FE870E569E1B" bold="true" box="[160,262,281,307]" italics="true" pageId="56" pageNumber="500">Remarks</emphasis>
</paragraph>
<paragraph id="394B36C8FFD2BE5A6F93FEA20C4E9AE5" blockId="56.[160,1156,281,1485]" pageId="56" pageNumber="500">
<taxonomicName id="FEF44D4BFFD2BE5A6F93FEA20D449E7D" authority="Burger, 1893" authorityName="Burger" authorityYear="1893" box="[160,532,316,341]" class="Malacostraca" family="Sesarmidae" genus="Sesarma" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="species" species="cruciatum">
<emphasis id="0B80EADAFFD2BE5A6F93FEA20E239E7D" box="[160,371,316,341]" italics="true" pageId="56" pageNumber="500">Sesarma cruciatum</emphasis>
<bibRefCitation id="5D654B39FFD2BE5A6EB2FEA20D449E7D" author="Burger O" box="[385,532,316,341]" pageId="56" pageNumber="500" pagination="613 - 632" refId="ref40139" refString="Burger O. 1893. Beitrage zur Kenntniss der Gattung Sesarma. Zool Jahrb Abt Syst Geogr Biol Thiere. 7 (4): 613 - 632, pl. 21." type="journal article" year="1893">Bürger, 1893</bibRefCitation>
</taxonomicName>
, was described from a single female
<typeStatus id="E64F886AFFD2BE5A6CEDFEA20B109E7D" box="[990,1088,316,341]" pageId="56" pageNumber="500" type="holotype">holotype</typeStatus>
from Mindanao.
<bibRefCitation id="5D654B39FFD2BE5A6E2EFEC10D4C9E50" author="Serene R &amp; Soh CL" box="[285,540,351,376]" pageId="56" pageNumber="500" pagination="387 - 416" refId="ref46714" refString="Serene R, Soh CL. 1970. New Indo-Pacific genera allied to Sesarma Say, 1817 (Brachyura, Decapoda, Crustacea). Treubia. 27 (4): 387 - 416." type="journal article" year="1970">Serène and Soh (1970)</bibRefCitation>
transferred this species to
<taxonomicName id="FEF44D4BFFD2BE5A6C7CFEC10F869EB3" authority="Serene and Soh 1970" authorityName=", Serene and Soh" authorityYear="1970" class="Malacostraca" family="Sesarmidae" genus="Labuanium" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus">
<emphasis id="0B80EADAFFD2BE5A6C7CFEC10C989E50" box="[847,968,351,376]" italics="true" pageId="56" pageNumber="500">Labuanium</emphasis>
<bibRefCitation id="5D654B39FFD2BE5A6CE2FEC10F869EB3" author="Serene R &amp; Soh CL" pageId="56" pageNumber="500" pagination="387 - 416" refId="ref46714" refString="Serene R, Soh CL. 1970. New Indo-Pacific genera allied to Sesarma Say, 1817 (Brachyura, Decapoda, Crustacea). Treubia. 27 (4): 387 - 416." type="journal article" year="1970">Serène and Soh 1970</bibRefCitation>
</taxonomicName>
, without explanation.
<taxonomicName id="FEF44D4BFFD2BE5A6EEFFE1C0DFE9EB3" authorityName="Burger" authorityYear="1893" box="[476,686,386,411]" class="Malacostraca" family="Sesarmidae" genus="Sesarma" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="species" species="cruciatum">
<emphasis id="0B80EADAFFD2BE5A6EEFFE1C0DFE9EB3" box="[476,686,386,411]" italics="true" pageId="56" pageNumber="500">Sesarma cruciatum</emphasis>
</taxonomicName>
is characteristic in its squarish carapace outline with parallel posterolateral margins (
<figureCitation id="A1CF2A4DFFD2BE5A6D96FE3A0C469E95" box="[677,790,420,445]" captionStart="Figure 27" captionStartId="57.[160,225,1123,1146]" captionTargetBox="[163,1153,142,1091]" captionTargetId="figure-127@57.[163,1153,142,1091]" captionTargetPageId="57" captionText="Figure 27. Mindanium cruciatum (Bürger, 1893), comb. nov. Holotype, SMF ZMG 623, female 16.3 × 16.6 mm (Mindanao, Philippines). a, habitus, dorsal view; b, right chela, outer view; c, right chela, upper view." figureDoi="http://doi.org/10.5281/zenodo.4609212" httpUri="https://zenodo.org/record/4609212/files/figure.png" pageId="56" pageNumber="500">Figure 27</figureCitation>
(a)). The carapace length of
<emphasis id="0B80EADAFFD2BE5A6B56FE3A0E5B9EC8" italics="true" pageId="56" pageNumber="500">
Se.
<taxonomicName id="FEF44D4BFFD2BE5A6F93FE590E5B9EC8" authorityName="Burger" authorityYear="1893" box="[160,267,455,480]" class="Malacostraca" family="Sesarmidae" genus="Sesarma" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="species" species="cruciatum">cruciatum</taxonomicName>
</emphasis>
is slightly shorter than the carapace width, but its parallel posterolateral margins give the carapace the superficial appearance of being longer. Among the 32 extant genera of the family
<taxonomicName id="FEF44D4BFFD2BE5A6E1DFD920EFC9D0D" authorityName="Dana" authorityYear="1851" box="[302,428,524,549]" class="Malacostraca" family="Sesarmidae" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="family">Sesarmidae</taxonomicName>
(
<bibRefCitation id="5D654B39FFD2BE5A6E8BFD920D0A9D0D" author="Ng PKL &amp; Guinot D &amp; Davie PJF" box="[440,602,524,549]" pageId="56" pageNumber="500" pagination="1 - 286" refId="ref44591" refString="Ng PKL, Guinot D, Davie PJF. 2008 a. Systema Brachyurorum: part I. An annotated checklist of extant brachyuran crabs of the world. Raffles Bull Zool Suppl. 17: 1 - 286." type="journal article" year="2008">Ng et al. 2008a</bibRefCitation>
;
<bibRefCitation id="5D654B39FFD2BE5A6D55FD920C6D9D0D" author="Schubart CD &amp; Liu HC &amp; Ng PKL" box="[614,829,524,549]" pageId="56" pageNumber="500" pagination="1 - 29" refId="ref46428" refString="Schubart CD, Liu HC, Ng PKL. 2009. Revision of Selatium Serene &amp; Soh, 1970 (Crustacea: Brachyura: Sesarmidae), with description of a new genus and two new species. Zootaxa. 2154: 1 - 29. doi: 10.11646 / zootaxa. 2154.1.1" type="journal article" year="2009">Schubart et al. 2009</bibRefCitation>
;
<bibRefCitation id="5D654B39FFD2BE5A6C7BFD920B759D0D" author="Naruse T &amp; Ng NK" box="[840,1061,524,549]" pageId="56" pageNumber="500" pagination="63 - 68" refId="ref44070" refString="Naruse T, Ng NK. 2012. Establishment of a new genus for Cyclograpsus lophopus Nobili, 1905, within Sesarmidae Dana, 1851 (Crustacea: Decapoda: Brachyura). Zootaxa. 3572: 63 - 68. doi: 10.11646 / zootaxa. 3572.1.8" type="journal article" year="2012">Naruse and Ng 2012</bibRefCitation>
;
<bibRefCitation id="5D654B39FFD2BE5A6B03FD920E5D9D60" author="Brosing A &amp; Spiridonov VA &amp; Al-Aidaroos AM &amp; Turkay M" pageId="56" pageNumber="500" pagination="273 - 282" refId="ref40079" refString="Brosing A, Spiridonov VA, Al-Aidaroos AM, Turkay M. 2014. Description of a new genus and new species of Sesarmidae (Decapoda: Brachyura) from the Farasan Islands, Saudi Arabia, Red Sea. J Crust Biol. 34 (2): 273 - 282. doi: 10.1163 / 1937240 X- 00002223" type="journal article" year="2014">Brösing et al. 2014</bibRefCitation>
), only
<taxonomicName id="FEF44D4BFFD2BE5A6E60FDB10E9C9D60" authorityName=", Serene and Soh" authorityYear="1970" box="[339,460,559,584]" class="Malacostraca" family="Sesarmidae" genus="Labuanium" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus" sensu="stricto">
<emphasis id="0B80EADAFFD2BE5A6E60FDB10E9C9D60" box="[339,460,559,584]" italics="true" pageId="56" pageNumber="500">Labuanium</emphasis>
</taxonomicName>
<taxonomicNameLabel id="10B357A1FFD2BE5A6EE1FDB10EA49D60" box="[466,500,559,584]" pageId="56" pageNumber="500" sensu="stricto">s.s.</taxonomicNameLabel>
,
<taxonomicName id="FEF44D4BFFD2BE5A6EC8FDB10D3D9D60" authority="Naruse &amp; Ng, 2020" authorityName="Naruse &amp; Ng" authorityYear="2020" box="[507,621,559,584]" class="Malacostraca" family="Sesarmidae" genus="Shinobium" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="0B80EADAFFD2BE5A6EC8FDB10D3D9D60" box="[507,621,559,584]" italics="true" pageId="56" pageNumber="500">Shinobium</emphasis>
</taxonomicName>
<taxonomicNameLabel id="10B357A1FFD2BE5A6D41FDB10D899D60" box="[626,729,559,584]" pageId="56" pageNumber="500" rank="genus">gen. nov.</taxonomicNameLabel>
,
<taxonomicName id="FEF44D4BFFD2BE5A6DD3FDB10C149D60" authority="Naruse &amp; Ng, 2020" authorityName="Naruse &amp; Ng" authorityYear="2020" box="[736,836,559,584]" class="Malacostraca" family="Sesarmidae" genus="Circulium" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="0B80EADAFFD2BE5A6DD3FDB10C149D60" box="[736,836,559,584]" italics="true" pageId="56" pageNumber="500">Circulium</emphasis>
</taxonomicName>
<taxonomicNameLabel id="10B357A1FFD2BE5A6C7AFDB10CFE9D60" box="[841,942,559,584]" pageId="56" pageNumber="500" rank="genus">gen. nov.</taxonomicNameLabel>
and
<taxonomicName id="FEF44D4BFFD2BE5A6CD2FDB10B769D60" box="[993,1062,559,584]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus">
<emphasis id="0B80EADAFFD2BE5A6CD2FDB10B769D60" box="[993,1062,559,584]" italics="true" pageId="56" pageNumber="500">Aratus</emphasis>
</taxonomicName>
H.
<bibRefCitation id="5D654B39FFD2BE5A6B75FDB10E699D43" author="Milne Edwards H" pageId="56" pageNumber="500" pagination="163 - 228" refId="ref43918" refString="Milne Edwards H. 1853. Memoire sur la Famille des Ocypodiens. Ann Scie Nat Zool. 20 (3): 163 - 228, pls. 6 - 11." type="journal article" year="1853">Milne Edwards 1853</bibRefCitation>
are characterised by the carapace being clearly longer than wide. In addition to those genera, three species of American
<taxonomicName id="FEF44D4BFFD2BE5A6DA1FDEA0C299DA5" authority="Abele, 1992" authorityName="Abele" authorityYear="1992" box="[658,889,628,653]" class="Malacostraca" family="Sesarmidae" genus="Armases" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus">
<emphasis id="0B80EADAFFD2BE5A6DA1FDEA0DBB9DA5" box="[658,747,628,653]" italics="true" pageId="56" pageNumber="500">Armases</emphasis>
<bibRefCitation id="5D654B39FFD2BE5A6DC6FDEA0C299DA5" author="Abele LG" box="[757,889,628,653]" pageId="56" pageNumber="500" pagination="1 - 60" refId="ref39867" refString="Abele LG. 1992. A review of the grapsid crab genus Sesarma (Crustacea: Decapoda: Grapsidae) in America, with the description of a new genus. Smithson Contrib Zool. 527: 1 - 60. doi: 10.5479 / si. 00810282.527" type="journal article" year="1992">Abele, 1992</bibRefCitation>
</taxonomicName>
–
<taxonomicName id="FEF44D4BFFD2BE5A6CA9FDEA0F8F9D98" authority="(Smith, 1870)" baseAuthorityName="Smith" baseAuthorityYear="1870" class="Malacostraca" family="Sesarmidae" genus="Armases" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="species" species="angustum">
<emphasis id="0B80EADAFFD2BE5A6CA9FDEA0B7C9DA5" box="[922,1068,628,653]" italics="true" pageId="56" pageNumber="500">Ar. angustum</emphasis>
(
<bibRefCitation id="5D654B39FFD2BE5A6B0FFDEA0F869D98" author="Smith SI" pageId="56" pageNumber="500" pagination="113 - 176" refId="ref46836" refString="Smith SI. 1870. Notes on American Crustacea. No. I. Ocypodoidea. Trans Conn Acad Arts Sci. 2: 113 - 176, pls 2 - 5." type="journal article" year="1870">Smith, 1870</bibRefCitation>
)
</taxonomicName>
,
<taxonomicName id="FEF44D4BFFD2BE5A6FDFFD090D4E9D98" authority="(Herklots, 1851)" baseAuthorityName="Herklots" baseAuthorityYear="1851" box="[236,542,663,688]" class="Malacostraca" family="Sesarmidae" genus="Armases" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="species" species="elegans">
<emphasis id="0B80EADAFFD2BE5A6FDFFD090E349D98" box="[236,356,663,688]" italics="true" pageId="56" pageNumber="500">Ar. elegans</emphasis>
(
<bibRefCitation id="5D654B39FFD2BE5A6E47FD090D459D98" author="Herklots JA" box="[372,533,663,688]" pageId="56" pageNumber="500" refId="ref41928" refString="Herklots JA. 1851. Additamenta ad faunam carcinologicam Africae occidentalis. Lugduni-Batavorum: Apud J. W. van Leeuwen." type="book" year="1851">Herklots, 1851</bibRefCitation>
)
</taxonomicName>
,
<taxonomicName id="FEF44D4BFFD2BE5A6D1FFD090DC89D98" baseAuthorityName="H.Milne Edwards" baseAuthorityYear="1853" box="[556,664,663,688]" class="Malacostraca" family="Sesarmidae" genus="Armases" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="species" species="roberti">
<emphasis id="0B80EADAFFD2BE5A6D1FFD090DC89D98" box="[556,664,663,688]" italics="true" pageId="56" pageNumber="500">Ar. roberti</emphasis>
</taxonomicName>
(H.
<bibRefCitation id="5D654B39FFD2BE5A6DF9FD090CFF9D98" author="Milne Edwards H" box="[714,943,663,688]" pageId="56" pageNumber="500" pagination="163 - 228" refId="ref43918" refString="Milne Edwards H. 1853. Memoire sur la Famille des Ocypodiens. Ann Scie Nat Zool. 20 (3): 163 - 228, pls. 6 - 11." type="journal article" year="1853">Milne Edwards 1853</bibRefCitation>
) – have carapaces longer than wide (
<bibRefCitation id="5D654B39FFD2BE5A6EB2FD240D409DFB" author="Capart A" box="[385,528,698,723]" pageId="56" pageNumber="500" pagination="11 - 205" refId="ref40349" refString="Capart A. 1951. Crustaces Decapodes Brachyures. Expedition oceanographique Belge dans les eaux cotieres africaines de l'Atlantique Sud (1948 - 1949). Res Scient, Inst Roy Sci Nat Belg. 3 (1): 11 - 205, pls. 1 - 3." type="journal article" year="1951">Capart 1951</bibRefCitation>
;
<bibRefCitation id="5D654B39FFD2BE5A6D17FD240DF89DFB" author="Abele LG" box="[548,680,698,723]" pageId="56" pageNumber="500" pagination="1 - 60" refId="ref39867" refString="Abele LG. 1992. A review of the grapsid crab genus Sesarma (Crustacea: Decapoda: Grapsidae) in America, with the description of a new genus. Smithson Contrib Zool. 527: 1 - 60. doi: 10.5479 / si. 00810282.527" type="journal article" year="1992">Abele 1992</bibRefCitation>
).
<taxonomicName id="FEF44D4BFFD2BE5A6DF0FD240CC89DFB" authorityName="Burger" authorityYear="1893" box="[707,920,698,723]" class="Malacostraca" family="Sesarmidae" genus="Sesarma" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="species" species="cruciatum">
<emphasis id="0B80EADAFFD2BE5A6DF0FD240CC89DFB" box="[707,920,698,723]" italics="true" pageId="56" pageNumber="500">Sesarma cruciatum</emphasis>
</taxonomicName>
clearly differs from
<emphasis id="0B80EADAFFD2BE5A6F93FD420E869DDD" box="[160,470,732,757]" italics="true" pageId="56" pageNumber="500">
<taxonomicName id="FEF44D4BFFD2BE5A6F93FD420E569DDD" authorityName="Naruse &amp; Ng" authorityYear="2020" box="[160,262,732,757]" class="Malacostraca" family="Sesarmidae" genus="Circulium" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus">Circulium</taxonomicName>
,
<taxonomicName id="FEF44D4BFFD2BE5A6E21FD420ED69DDD" authorityName="Naruse &amp; Ng" authorityYear="2020" box="[274,390,732,757]" class="Malacostraca" family="Sesarmidae" genus="Shinobium" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus">Shinobium</taxonomicName>
,
<taxonomicName id="FEF44D4BFFD2BE5A6EA2FD420E869DDD" box="[401,470,732,757]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus">Aratus</taxonomicName>
</emphasis>
and the three
<taxonomicName id="FEF44D4BFFD2BE5A6D4CFD420D889DDD" authorityName="Abele" authorityYear="1992" box="[639,728,732,757]" class="Malacostraca" family="Sesarmidae" genus="Armases" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus">
<emphasis id="0B80EADAFFD2BE5A6D4CFD420D889DDD" box="[639,728,732,757]" italics="true" pageId="56" pageNumber="500">Armases</emphasis>
</taxonomicName>
species in the outline of the carapace [longitudinally rectangular in
<taxonomicName id="FEF44D4BFFD2BE5A6EC6FD610DD69C30" authorityName="Burger" authorityYear="1893" box="[501,646,767,792]" class="Malacostraca" family="Sesarmidae" genus="Sesarma" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="species" species="cruciatum">
<emphasis id="0B80EADAFFD2BE5A6EC6FD610DD69C30" box="[501,646,767,792]" italics="true" pageId="56" pageNumber="500">M. cruciatum</emphasis>
</taxonomicName>
(
<figureCitation id="A1CF2A4DFFD2BE5A6DA9FD610C599C30" box="[666,777,767,792]" captionStart="Figure 27" captionStartId="57.[160,225,1123,1146]" captionTargetBox="[163,1153,142,1091]" captionTargetId="figure-127@57.[163,1153,142,1091]" captionTargetPageId="57" captionText="Figure 27. Mindanium cruciatum (Bürger, 1893), comb. nov. Holotype, SMF ZMG 623, female 16.3 × 16.6 mm (Mindanao, Philippines). a, habitus, dorsal view; b, right chela, outer view; c, right chela, upper view." figureDoi="http://doi.org/10.5281/zenodo.4609212" httpUri="https://zenodo.org/record/4609212/files/figure.png" pageId="56" pageNumber="500">Figure 27</figureCitation>
(a)), laterally swollen in
<taxonomicName id="FEF44D4BFFD2BE5A6B2CFD610BD39C30" authorityName="Naruse &amp; Ng" authorityYear="2020" box="[1055,1155,767,792]" class="Malacostraca" family="Sesarmidae" genus="Circulium" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus">
<emphasis id="0B80EADAFFD2BE5A6B2CFD610BD39C30" box="[1055,1155,767,792]" italics="true" pageId="56" pageNumber="500">Circulium</emphasis>
</taxonomicName>
(
<figureCitation id="A1CF2A4DFFD2BE5A6F94FCBC0E539C13" box="[167,259,802,827]" captionStart="Figure 5" captionStartId="15.[160,225,1123,1146]" captionTargetBox="[181,1133,142,1091]" captionTargetId="figure-132@15.[181,1133,142,1091]" captionTargetPageId="15" captionText="Figure 5. Circulium rotundatum (Hess, 1865). Neotype, USNM 1150304, male, 36.3 × 36.3 mm (Tonga). a, habitus, dorsal view; b, anterior part of cephalothorax, anteroventral view." figureDoi="http://doi.org/10.5281/zenodo.4609164" httpUri="https://zenodo.org/record/4609164/files/figure.png" pageId="56" pageNumber="500">Figure 5</figureCitation>
(a)), trapezoidal with anteriorly convergent lateral margins in
<taxonomicName id="FEF44D4BFFD2BE5A6C82FCBC0B739C13" authorityName="Naruse &amp; Ng" authorityYear="2020" box="[945,1059,802,827]" class="Malacostraca" family="Sesarmidae" genus="Shinobium" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus">
<emphasis id="0B80EADAFFD2BE5A6C82FCBC0B739C13" box="[945,1059,802,827]" italics="true" pageId="56" pageNumber="500">Shinobium</emphasis>
</taxonomicName>
(
<figureCitation id="A1CF2A4DFFD2BE5A6B00FCBC0FFE9C75" captionStart="Figure 8" captionStartId="23.[160,225,1273,1296]" captionTargetBox="[163,1153,142,1241]" captionTargetId="figure-114@23.[163,1153,142,1242]" captionTargetPageId="23" captionText="Figure 8. Shinobium trapezoideum (H. Milne Edwards, 1837). ZRC 2018.0051, male, 29.5 × 26.8 mm (Vanuatu). a, habitus, dorsal view; b, anterior part of cephalothorax, anteroventral view." figureDoi="http://doi.org/10.5281/zenodo.4609170" httpUri="https://zenodo.org/record/4609170/files/figure.png" pageId="56" pageNumber="500">Figures 8</figureCitation>
(a), 10(a)), rectangular in
<taxonomicName id="FEF44D4BFFD2BE5A6EFFFCDA0D699C75" baseAuthorityName="H.Milne Edwards" baseAuthorityYear="1853" box="[460,569,836,861]" class="Malacostraca" family="Sesarmidae" genus="Armases" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="species" species="roberti">
<emphasis id="0B80EADAFFD2BE5A6EFFFCDA0D699C75" box="[460,569,836,861]" italics="true" pageId="56" pageNumber="500">Ar. roberti</emphasis>
</taxonomicName>
(
<bibRefCitation id="5D654B39FFD2BE5A6D7AFCDA0DB99C75" author="Rathbun MJ" box="[585,745,836,861]" pageId="56" pageNumber="500" pagination="1 - 461" refId="ref45973" refString="Rathbun MJ. 1918. The grapsoid crabs of America. Bull US Nat Muse. 97: 1 - 461, pls. 1 - 161." type="journal article" year="1918">Rathbun 1918</bibRefCitation>
, pl. 91, fig. 2), and trapezoidal with anteriorly divergent lateral margins in
<taxonomicName id="FEF44D4BFFD2BE5A6D77FCF90DD99CA8" box="[580,649,871,896]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus">
<emphasis id="0B80EADAFFD2BE5A6D77FCF90DD99CA8" box="[580,649,871,896]" italics="true" pageId="56" pageNumber="500">Aratus</emphasis>
</taxonomicName>
(
<bibRefCitation id="5D654B39FFD2BE5A6DA6FCF90C619CA8" author="Rathbun MJ" box="[661,817,871,896]" pageId="56" pageNumber="500" pagination="1 - 461" refId="ref45973" refString="Rathbun MJ. 1918. The grapsoid crabs of America. Bull US Nat Muse. 97: 1 - 461, pls. 1 - 161." type="journal article" year="1918">Rathbun 1918</bibRefCitation>
, pl. 96),
<taxonomicName id="FEF44D4BFFD2BE5A6CBFFCF90CB59CA8" authorityName="Abele" authorityYear="1992" box="[908,997,871,896]" class="Malacostraca" family="Sesarmidae" genus="Armases" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus">
<emphasis id="0B80EADAFFD2BE5A6CBFFCF90CB59CA8" box="[908,997,871,896]" italics="true" pageId="56" pageNumber="500">Armases</emphasis>
</taxonomicName>
(
<taxonomicName id="FEF44D4BFFD2BE5A6CC7FCF90BD39CA8" baseAuthorityName="Smith" baseAuthorityYear="1870" box="[1012,1155,871,896]" class="Malacostraca" family="Sesarmidae" genus="Armases" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="species" species="angustum">
<emphasis id="0B80EADAFFD2BE5A6CC7FCF90BD39CA8" box="[1012,1155,871,896]" italics="true" pageId="56" pageNumber="500">Ar. angustum</emphasis>
</taxonomicName>
(
<bibRefCitation id="5D654B39FFD2BE5A6F96FC140E719C8B" author="Abele LG" box="[165,289,906,931]" pageId="56" pageNumber="500" pagination="631 - 644" refId="ref39812" refString="Abele LG. 1977. The taxonomic status of Sesarma festae Nobili, 1901, S. ophioderma Nobili, 1901, and S. biolleyi Rathbun, 1906 (Crustacea, Decapoda, Grapsidae) in the Eastern Pacific. Proc Biol Soc Wash. 89 (55): 631 - 644." type="journal article" year="1977">Abele 1977</bibRefCitation>
, fig. 5) and
<taxonomicName id="FEF44D4BFFD2BE5A6EA8FC140D5E9C8B" baseAuthorityName="Herklots" baseAuthorityYear="1851" box="[411,526,906,931]" class="Malacostraca" family="Sesarmidae" genus="Armases" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="species" species="elegans">
<emphasis id="0B80EADAFFD2BE5A6EA8FC140D5E9C8B" box="[411,526,906,931]" italics="true" pageId="56" pageNumber="500">Ar. elegans</emphasis>
</taxonomicName>
(
<bibRefCitation id="5D654B39FFD2BE5A6D2BFC140DCD9C8B" author="Capart A" box="[536,669,906,931]" pageId="56" pageNumber="500" pagination="11 - 205" refId="ref40349" refString="Capart A. 1951. Crustaces Decapodes Brachyures. Expedition oceanographique Belge dans les eaux cotieres africaines de l'Atlantique Sud (1948 - 1949). Res Scient, Inst Roy Sci Nat Belg. 3 (1): 11 - 205, pls. 1 - 3." type="journal article" year="1951">Capart 1951</bibRefCitation>
, fig. 77;
<bibRefCitation id="5D654B39FFD2BE5A6DC0FC140CDC9C8B" author="Rathbun MJ" box="[755,908,906,931]" pageId="56" pageNumber="500" pagination="379 - 484" refId="ref46001" refString="Rathbun MJ. 1921. The brachyuran crabs collected by the American museum congo collection, 1909 - 1915. Bull Am Mus Nat Hist. 43: 379 - 484, pls. 15 - 64." type="journal article" year="1921">Rathbun 1921</bibRefCitation>
, pl. 44, fig. 1)].
<taxonomicName id="FEF44D4BFFD2BE5A6B1BFC140E5B9CEE" authorityName="Burger" authorityYear="1893" class="Malacostraca" family="Sesarmidae" genus="Sesarma" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="species" species="cruciatum">
<emphasis id="0B80EADAFFD2BE5A6B1BFC140E5B9CEE" italics="true" pageId="56" pageNumber="500">Sesarma cruciatum</emphasis>
</taxonomicName>
is morphologically closest to
<taxonomicName id="FEF44D4BFFD2BE5A6D65FC330D9F9CEE" authorityName=", Serene and Soh" authorityYear="1970" box="[598,719,941,966]" class="Malacostraca" family="Sesarmidae" genus="Labuanium" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus" sensu="stricto">
<emphasis id="0B80EADAFFD2BE5A6D65FC330D9F9CEE" box="[598,719,941,966]" italics="true" pageId="56" pageNumber="500">Labuanium</emphasis>
</taxonomicName>
<taxonomicNameLabel id="10B357A1FFD2BE5A6DEBFC330DAA9CEE" box="[728,762,941,966]" pageId="56" pageNumber="500" sensu="stricto">s.s.</taxonomicNameLabel>
, as the assigment to
<taxonomicName id="FEF44D4BFFD2BE5A6CD5FC330B0F9CEE" authorityName=", Serene and Soh" authorityYear="1970" box="[998,1119,941,966]" class="Malacostraca" family="Sesarmidae" genus="Labuanium" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus">
<emphasis id="0B80EADAFFD2BE5A6CD5FC330B0F9CEE" box="[998,1119,941,966]" italics="true" pageId="56" pageNumber="500">Labuanium</emphasis>
</taxonomicName>
by
<bibRefCitation id="5D654B39FFD2BE5A6F93FC510EC89CC0" author="Serene R &amp; Soh CL" box="[160,408,975,1000]" pageId="56" pageNumber="500" pagination="387 - 416" refId="ref46714" refString="Serene R, Soh CL. 1970. New Indo-Pacific genera allied to Sesarma Say, 1817 (Brachyura, Decapoda, Crustacea). Treubia. 27 (4): 387 - 416." type="journal article" year="1970">Serène and Soh (1970)</bibRefCitation>
indicates, in the postfrontal lobes produced anteriorly and reaching beyond the frontal margin in dorsal and ventral views (
<figureCitation id="A1CF2A4DFFD2BE5A6DC2FC6C0C329B23" box="[753,866,1010,1035]" captionStart="Figure 27" captionStartId="57.[160,225,1123,1146]" captionTargetBox="[163,1153,142,1091]" captionTargetId="figure-127@57.[163,1153,142,1091]" captionTargetPageId="57" captionText="Figure 27. Mindanium cruciatum (Bürger, 1893), comb. nov. Holotype, SMF ZMG 623, female 16.3 × 16.6 mm (Mindanao, Philippines). a, habitus, dorsal view; b, right chela, outer view; c, right chela, upper view." figureDoi="http://doi.org/10.5281/zenodo.4609212" httpUri="https://zenodo.org/record/4609212/files/figure.png" pageId="56" pageNumber="500">Figures 27</figureCitation>
(a), 28).
<taxonomicName id="FEF44D4BFFD2BE5A6C80FC6C0B2E9B23" authorityName="Burger" authorityYear="1893" box="[947,1150,1010,1035]" class="Malacostraca" family="Sesarmidae" genus="Sesarma" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="species" species="cruciatum">
<emphasis id="0B80EADAFFD2BE5A6C80FC6C0B2E9B23" box="[947,1150,1010,1035]" italics="true" pageId="56" pageNumber="500">Sesarma cruciatum</emphasis>
</taxonomicName>
, however, can be readily distinguished from
<taxonomicName id="FEF44D4BFFD2BE5A6D4DFB8B0DA79B06" authorityName=", Serene and Soh" authorityYear="1970" box="[638,759,1045,1070]" class="Malacostraca" family="Sesarmidae" genus="Labuanium" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus" sensu="stricto">
<emphasis id="0B80EADAFFD2BE5A6D4DFB8B0DA79B06" box="[638,759,1045,1070]" italics="true" pageId="56" pageNumber="500">Labuanium</emphasis>
</taxonomicName>
<taxonomicNameLabel id="10B357A1FFD2BE5A6DCEFB8B0C4E9B06" box="[765,798,1045,1070]" pageId="56" pageNumber="500" sensu="stricto">s.s.</taxonomicNameLabel>
by the structure of the front and antennular septum [the narrower antennular septum is dorsally overhung by the median concavity of the frontal margin (
<figureCitation id="A1CF2A4DFFD2BE5A6D3FFBC40D249B5B" box="[524,628,1114,1139]" captionStart="Figure 28" captionStartId="58.[160,225,851,874]" captionTargetBox="[162,1151,142,819]" captionTargetId="figure-242@58.[162,1152,142,819]" captionTargetPageId="58" captionText="Figure 28. Mindanium cruciatum (Bürger, 1893), comb. nov. Holotype, SMF ZMG 623, female 16.3 × 16.6 mm (Mindanao, Philippines). Anterior part of cephalothorax, anteroventral view." figureDoi="http://doi.org/10.5281/zenodo.4609214" httpUri="https://zenodo.org/record/4609214/files/figure.png" pageId="56" pageNumber="500">Figure 28</figureCitation>
) vs the wider antennular septum exposed and on the same level as the median concavity of the frontal margin in
<taxonomicName id="FEF44D4BFFD2BE5A6C4EFBE30CA69BBE" authorityName=", Serene and Soh" authorityYear="1970" box="[893,1014,1149,1174]" class="Malacostraca" family="Sesarmidae" genus="Labuanium" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus" sensu="stricto">
<emphasis id="0B80EADAFFD2BE5A6C4EFBE30CA69BBE" box="[893,1014,1149,1174]" italics="true" pageId="56" pageNumber="500">Labuanium</emphasis>
</taxonomicName>
<taxonomicNameLabel id="10B357A1FFD2BE5A6CCEFBE30B4D9BBE" box="[1021,1053,1149,1174]" pageId="56" pageNumber="500" sensu="stricto">s.s.</taxonomicNameLabel>
(
<figureCitation id="A1CF2A4DFFD2BE5A6B19FBE30BD39BBE" box="[1066,1155,1149,1174]" captionStart="Figure 2" captionStartId="9.[160,225,1370,1393]" captionTargetBox="[163,1153,142,1338]" captionTargetId="figure-84@9.[163,1153,142,1338]" captionTargetPageId="9" captionText="Figure 2. Labuanium politum (De Man, 1887). ZRC 2003.0381, male, 40.1 × 36.2 mm (Bohol, Philippines). a, habitus, dorsal view; b, anterior part of cephalothorax, anteroventral view." figureDoi="http://doi.org/10.5281/zenodo.4609154" httpUri="https://zenodo.org/record/4609154/files/figure.png" pageId="56" pageNumber="500">Figure 2</figureCitation>
(b)]; proportionally wider Mxp3 with a short-rhomboidal hiatus between them (
<figureCitation id="A1CF2A4DFFD2BE5A6B20FB010B2B9B90" box="[1043,1147,1183,1208]" captionStart="Figure 28" captionStartId="58.[160,225,851,874]" captionTargetBox="[162,1151,142,819]" captionTargetId="figure-242@58.[162,1152,142,819]" captionTargetPageId="58" captionText="Figure 28. Mindanium cruciatum (Bürger, 1893), comb. nov. Holotype, SMF ZMG 623, female 16.3 × 16.6 mm (Mindanao, Philippines). Anterior part of cephalothorax, anteroventral view." figureDoi="http://doi.org/10.5281/zenodo.4609214" httpUri="https://zenodo.org/record/4609214/files/figure.png" pageId="56" pageNumber="500">Figure 28</figureCitation>
) (vs more slender mxp3 with a long-rhomboidal hiatus between them in
<taxonomicName id="FEF44D4BFFD2BE5A6CE8FB5C0B049BF3" authorityName=", Serene and Soh" authorityYear="1970" box="[987,1108,1218,1243]" class="Malacostraca" family="Sesarmidae" genus="Labuanium" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus" sensu="stricto">
<emphasis id="0B80EADAFFD2BE5A6CE8FB5C0B049BF3" box="[987,1108,1218,1243]" italics="true" pageId="56" pageNumber="500">Labuanium</emphasis>
</taxonomicName>
<taxonomicNameLabel id="10B357A1FFD2BE5A6B6DFB5C0BD09BF3" box="[1118,1152,1218,1243]" pageId="56" pageNumber="500" sensu="stricto">s.s.</taxonomicNameLabel>
,
<figureCitation id="A1CF2A4DFFD2BE5A6F93FB7B0FA99BD6" box="[160,249,1253,1278]" captionStart="Figure 2" captionStartId="9.[160,225,1370,1393]" captionTargetBox="[163,1153,142,1338]" captionTargetId="figure-84@9.[163,1153,142,1338]" captionTargetPageId="9" captionText="Figure 2. Labuanium politum (De Man, 1887). ZRC 2003.0381, male, 40.1 × 36.2 mm (Bohol, Philippines). a, habitus, dorsal view; b, anterior part of cephalothorax, anteroventral view." figureDoi="http://doi.org/10.5281/zenodo.4609154" httpUri="https://zenodo.org/record/4609154/files/figure.png" pageId="56" pageNumber="500">Figure 2</figureCitation>
(b)) and more slender ambulatory legs with proportionally longer dactyli (
<figureCitation id="A1CF2A4DFFD2BE5A6B2EFB7B0BD39BD6" box="[1053,1155,1253,1278]" captionStart="Figure 27" captionStartId="57.[160,225,1123,1146]" captionTargetBox="[163,1153,142,1091]" captionTargetId="figure-127@57.[163,1153,142,1091]" captionTargetPageId="57" captionText="Figure 27. Mindanium cruciatum (Bürger, 1893), comb. nov. Holotype, SMF ZMG 623, female 16.3 × 16.6 mm (Mindanao, Philippines). a, habitus, dorsal view; b, right chela, outer view; c, right chela, upper view." figureDoi="http://doi.org/10.5281/zenodo.4609212" httpUri="https://zenodo.org/record/4609212/files/figure.png" pageId="56" pageNumber="500">Figure 27</figureCitation>
(a) vs
<figureCitation id="A1CF2A4DFFD2BE5A6FECFA990E699A08" box="[223,313,1287,1312]" captionStart="Figure 2" captionStartId="9.[160,225,1370,1393]" captionTargetBox="[163,1153,142,1338]" captionTargetId="figure-84@9.[163,1153,142,1338]" captionTargetPageId="9" captionText="Figure 2. Labuanium politum (De Man, 1887). ZRC 2003.0381, male, 40.1 × 36.2 mm (Bohol, Philippines). a, habitus, dorsal view; b, anterior part of cephalothorax, anteroventral view." figureDoi="http://doi.org/10.5281/zenodo.4609154" httpUri="https://zenodo.org/record/4609154/files/figure.png" pageId="56" pageNumber="500">Figure 2</figureCitation>
(a)).
<emphasis id="0B80EADAFFD2BE5A6E55FA990DE29A08" box="[358,690,1287,1312]" italics="true" pageId="56" pageNumber="500">
<taxonomicName id="FEF44D4BFFD2BE5A6E55FA990D639A08" baseAuthorityName="Smith" baseAuthorityYear="1870" box="[358,563,1287,1312]" class="Malacostraca" family="Sesarmidae" genus="Armases" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="species" species="angustum">Armases angustum</taxonomicName>
,
<taxonomicName id="FEF44D4BFFD2BE5A6D0DFA990DE29A08" baseAuthorityName="Herklots" baseAuthorityYear="1851" box="[574,690,1287,1312]" class="Malacostraca" family="Sesarmidae" genus="Armases" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="species" species="elegans">Ar. elegans</taxonomicName>
</emphasis>
and
<taxonomicName id="FEF44D4BFFD2BE5A6DDBFA990C019A08" baseAuthorityName="H.Milne Edwards" baseAuthorityYear="1853" box="[744,849,1287,1312]" class="Malacostraca" family="Sesarmidae" genus="Armases" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="species" species="roberti">
<emphasis id="0B80EADAFFD2BE5A6DDBFA990C019A08" box="[744,849,1287,1312]" italics="true" pageId="56" pageNumber="500">Ar. roberti</emphasis>
</taxonomicName>
differ from
<emphasis id="0B80EADAFFD2BE5A6CE1FA990B319A08" box="[978,1121,1287,1312]" italics="true" pageId="56" pageNumber="500">
Se.
<taxonomicName id="FEF44D4BFFD2BE5A6CC5FA990B319A08" authorityName="Burger" authorityYear="1893" box="[1014,1121,1287,1312]" class="Malacostraca" family="Sesarmidae" genus="Sesarma" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="species" species="cruciatum">cruciatum</taxonomicName>
</emphasis>
by the postfrontal lobes not produced anteriorly and far from frontal margin in the dorsal view (
<bibRefCitation id="5D654B39FFD2BE5A6F96FAD20E739A4D" author="Abele LG" box="[165,291,1356,1381]" pageId="56" pageNumber="500" pagination="1 - 60" refId="ref39867" refString="Abele LG. 1992. A review of the grapsid crab genus Sesarma (Crustacea: Decapoda: Grapsidae) in America, with the description of a new genus. Smithson Contrib Zool. 527: 1 - 60. doi: 10.5479 / si. 00810282.527" type="journal article" year="1992">Abele 1992</bibRefCitation>
, fig. 34;
<bibRefCitation id="5D654B39FFD2BE5A6E4FFAD20D469A4D" author="Rathbun MJ" box="[380,534,1356,1381]" pageId="56" pageNumber="500" pagination="379 - 484" refId="ref46001" refString="Rathbun MJ. 1921. The brachyuran crabs collected by the American museum congo collection, 1909 - 1915. Bull Am Mus Nat Hist. 43: 379 - 484, pls. 15 - 64." type="journal article" year="1921">Rathbun 1921</bibRefCitation>
, pl. 44, fig. 1, pl. 45, fig. 2;
<bibRefCitation id="5D654B39FFD2BE5A6C01FAD20B7F9A4D" author="Chace FA Jr &amp; Hobbs HH Jr." box="[818,1071,1356,1381]" pageId="56" pageNumber="500" pagination="1 - 258" refId="ref40440" refString="Chace FA Jr, Hobbs HH Jr. 1969. Bredin-Archbold-Smithsonian biological survey of dominica. The freshwater and terrestrial decapod crustaceans of the West Indies with special reference to Dominica. Bull US Natl Mus. 292: 1 - 258. doi: 10.5479 / si. 03629236.292.1" type="journal article" year="1969">Chace and Hobbs 1969</bibRefCitation>
, fig. 60, respectively). The differences observed suggest that
<emphasis id="0B80EADAFFD2BE5A6DD1FAF10C229AA0" box="[738,882,1391,1416]" italics="true" pageId="56" pageNumber="500">
Se.
<taxonomicName id="FEF44D4BFFD2BE5A6C34FAF10C229AA0" authorityName="Burger" authorityYear="1893" box="[775,882,1391,1416]" class="Malacostraca" family="Sesarmidae" genus="Sesarma" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="species" species="cruciatum">cruciatum</taxonomicName>
</emphasis>
cannot be placed in any of these known genera. As such, the present study establishes a new monotypic genus,
<taxonomicName id="FEF44D4BFFD2BE5A6F93FA2A0E4B9AE5" authority="Naruse &amp; Ng, 2020" authorityName="Naruse &amp; Ng" authorityYear="2020" box="[160,283,1460,1485]" class="Malacostraca" family="Sesarmidae" genus="Mindanium" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="0B80EADAFFD2BE5A6F93FA2A0E4B9AE5" box="[160,283,1460,1485]" italics="true" pageId="56" pageNumber="500">Mindanium</emphasis>
</taxonomicName>
<taxonomicNameLabel id="10B357A1FFD2BE5A6E11FA2A0EDA9AE5" box="[290,394,1460,1485]" pageId="56" pageNumber="500" rank="genus">gen. nov.</taxonomicNameLabel>
, for
<taxonomicName id="FEF44D4BFFD2BE5A6E8AFA2A0C489AE5" authority="Burger, 1893" authorityName="Burger" authorityYear="1893" box="[441,792,1460,1485]" class="Malacostraca" family="Sesarmidae" genus="Sesarma" kingdom="Animalia" order="Decapoda" pageId="56" pageNumber="500" phylum="Arthropoda" rank="species" species="cruciatum">
<emphasis id="0B80EADAFFD2BE5A6E8AFA2A0DD69AE5" box="[441,646,1460,1485]" italics="true" pageId="56" pageNumber="500">Sesarma cruciatum</emphasis>
<bibRefCitation id="5D654B39FFD2BE5A6DBFFA2A0C489AE5" author="Burger O" box="[652,792,1460,1485]" pageId="56" pageNumber="500" pagination="613 - 632" refId="ref40139" refString="Burger O. 1893. Beitrage zur Kenntniss der Gattung Sesarma. Zool Jahrb Abt Syst Geogr Biol Thiere. 7 (4): 613 - 632, pl. 21." type="journal article" year="1893">Bürger, 1893</bibRefCitation>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>
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