<document id="753F97A8AEA6BE1B886682AE74018750" ID-DOI="10.26107/RBZ-2023-0047" ID-ISSN="2345-7600" ID-Zenodo-Dep="10271307" ID-ZooBank="821BC4EC-5AF9-4727-84A3-C44839DFBE28" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1701819361795" checkinUser="felipe" docAuthor="Ng, Peter K. L., Ahyong, Shane T. & Castro, Peter" docDate="2023" docId="038EC92D79667E48FC9769C527DEFBF7" docLanguage="en" docName="RafflesBZool.71.606-631.pdf" docOrigin="Raffles Bulletin of Zoology 71" docStyle="DocumentStyle:AF09A0581917EACD12E7F0991C3E7C26.5:RafflesBZool.2019-.journal_article" docStyleId="AF09A0581917EACD12E7F0991C3E7C26" docStyleName="RafflesBZool.2019-.journal_article" docStyleVersion="5" docTitle="Trapezioidea Miers 1886" docType="key" docVersion="2" lastPageNumber="628" masterDocId="FFB7B15579727E5EFFBA6E582531FFA7" masterDocTitle="Re-appraisal of the families and subfamilies of Trapezioidea Miers, 1886, with establishment of a new family, Ectaesthesiidae (Crustacea: Decapoda: Brachyura)" masterLastPageNumber="631" masterPageNumber="606" pageNumber="626" updateTime="1701819819889" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0"> <mods:mods id="22469C7821630014D6752E45BEB128E1" xmlns:mods="http://www.loc.gov/mods/v3"> <mods:titleInfo id="0A04DE5DDCC2D00D3F6852FE77CFE155"> <mods:title id="0EB194B6D7A195754CEA39D142B7221F">Re-appraisal of the families and subfamilies of Trapezioidea Miers, 1886, with establishment of a new family, Ectaesthesiidae (Crustacea: Decapoda: Brachyura)</mods:title> </mods:titleInfo> <mods:name id="833748B22807155FF11D4359ECE91CE6" type="personal"> <mods:role id="1BA6244C4AC84CB42EE941FCD67DB07C"> <mods:roleTerm id="EF4D2A9F2A20EB677DCD04C03D83315A">Author</mods:roleTerm> </mods:role> <mods:namePart id="04BBD98ECA51FF5A63943A8F728F9CC9">Ng, Peter K. L.</mods:namePart> </mods:name> <mods:name id="E62CDE3A9394C8D6E88952D8D0D8A552" type="personal"> <mods:role id="4B1F96CB08F045C7BD13E5D7709F8E46"> <mods:roleTerm id="FA23156A5BCCBC2A21D87BF1EECDFB52">Author</mods:roleTerm> </mods:role> <mods:namePart id="A408398EB44F6F41E5CD40E15105B07C">Ahyong, Shane T.</mods:namePart> </mods:name> <mods:name id="A00F3DEA36D6B69B17C94CB20189BE12" type="personal"> <mods:role id="1EC5CAA7C720E0F75B92B1C41ABEBB44"> <mods:roleTerm id="9F9D34A849F4A87E2C696C4BBE1E8188">Author</mods:roleTerm> </mods:role> <mods:namePart id="33771417AE628100B99DA509FEF45206">Castro, Peter</mods:namePart> </mods:name> <mods:typeOfResource id="5CB2C57157E5B412739A7643FD2D6D99">text</mods:typeOfResource> <mods:relatedItem id="2B68B9C59AF81243D282871A2907EF2C" type="host"> <mods:titleInfo id="8AF8B3F4DDFDFBCA59515ED74C912787"> <mods:title id="9408320C9878A65B5AFD46D1E41AD0C7">Raffles Bulletin of Zoology</mods:title> </mods:titleInfo> <mods:part id="1C8C4B1CDAF9D10A9136EEF283152F16"> <mods:date id="AD933B1A42468A6C26A1CE137F239B6C">2023</mods:date> <mods:detail id="7CD5AFB63897485670AC64ACDF20045B" type="pubDate"> <mods:number id="0654AA2A2FF153ED37741D849884A83F">2023-10-30</mods:number> </mods:detail> <mods:detail id="687A737410FB77F11438856F796FAB47" type="volume"> <mods:number id="B390B18471D4F2632168F848BA223338">71</mods:number> </mods:detail> <mods:extent id="F37D253D48CCE5FCF14BAEA114D361E1" unit="page"> <mods:start id="D915FA64B6F9EB1582BA4CE56F05DE97">606</mods:start> <mods:end id="8E7FDBD7371BEAF8B57BB1EB93ED9E39">631</mods:end> </mods:extent> </mods:part> </mods:relatedItem> <mods:classification id="706A2FA3F54123AE9236C8293B754090">journal article</mods:classification> <mods:identifier id="1C20F7DB54130DCD94108A0E9DF4A90B" type="DOI">10.26107/RBZ-2023-0047</mods:identifier> <mods:identifier id="80A8D63EACD3E0DA045D3F3020A67029" type="ISSN">2345-7600</mods:identifier> <mods:identifier id="678A9A0E275F9E3B630235523B7C6A18" type="Zenodo-Dep">10271307</mods:identifier> <mods:identifier id="37EF90B21FCBDDD2C86FDD7994DBC64D" type="ZooBank">821BC4EC-5AF9-4727-84A3-C44839DFBE28</mods:identifier> </mods:mods> <treatment id="038EC92D79667E48FC9769C527DEFBF7" LSID="urn:lsid:plazi:treatment:038EC92D79667E48FC9769C527DEFBF7" httpUri="http://treatment.plazi.org/id/038EC92D79667E48FC9769C527DEFBF7" lastPageId="22" lastPageNumber="628" pageId="20" pageNumber="626"> <subSubSection id="C33D2BB079667E4AFC9769C52067F812" box="[813,1366,1949,1973]" pageId="20" pageNumber="626" type="nomenclature"> <paragraph id="8B98783B79667E4AFC9769C52067F812" blockId="20.[813,1366,1949,1973]" box="[813,1366,1949,1973]" pageId="20" pageNumber="626"> <heading id="D0D0CF5779667E4AFC9769C52067F812" bold="true" box="[813,1366,1949,1973]" centered="true" fontSize="10" level="2" pageId="20" pageNumber="626" reason="2"> <emphasis id="B953A42979667E4AFC9769C52067F812" bold="true" box="[813,1366,1949,1973]" pageId="20" pageNumber="626"> Key to families and subfamilies of <taxonomicName id="4C2703B879667E4AFB7A69C52067F812" ID-CoL="7NH2X" authorityName="Miers" authorityYear="1886" box="[1216,1366,1949,1973]" class="Malacostraca" kingdom="Animalia" order="Decapoda" pageId="20" pageNumber="607" phylum="Arthropoda" rank="superFamily" superFamily="Trapezioidea">Trapezioidea</taxonomicName> </emphasis> </heading> </paragraph> </subSubSection> <subSubSection id="C33D2BB079667E48FC97698427DEFBF7" lastPageId="22" lastPageNumber="628" pageId="20" pageNumber="626" type="key"> <keyStep id="30D3609E79667E4AFC976984209BF78C" pageId="20" pageNumber="626"> <paragraph id="8B98783B79667E4AFC976984209BF7A9" blockId="20.[813,1450,2012,2091]" pageId="20" pageNumber="626"> <keyLead id="30D6DB0E79667E4AFC976984209BF7A9" pageId="20" pageNumber="626"> 1. <collectingRegion id="49E3B6D979667E4AFCE8698426B5F855" box="[850,900,2012,2034]" country="Maldives" name="Maale" pageId="20" pageNumber="626">Male</collectingRegion> pleonites 3–5 fused, immovable, even if some or all sutures visible ..........................................................................2 </keyLead> </paragraph> <paragraph id="8B98783B79667E4AFC97664E209BF78C" blockId="20.[813,1450,2012,2091]" box="[813,1450,2069,2091]" pageId="20" pageNumber="626"> <keyLead id="30D6DB0E79667E4AFC97664E209BF78C" box="[813,1450,2069,2091]" pageId="20" pageNumber="626"> - <collectingRegion id="49E3B6D979667E4AFCE8664D26B2F78C" box="[850,899,2069,2091]" country="Maldives" name="Maale" pageId="20" pageNumber="626">Male</collectingRegion> pleonites and telson freely articulating .........................5 </keyLead> </paragraph> </keyStep> <caption id="DF5828B379677E4BFF3269EF27AFF7A0" ID-DOI="http://doi.org/10.5281/zenodo.10271339" ID-Zenodo-Dep="10271339" httpUri="https://zenodo.org/record/10271339/files/figure.png" pageId="21" pageNumber="627" startId="21.[136,171,1975,1997]" targetBox="[136,1474,249,1960]" targetPageId="21" targetType="figure"> <paragraph id="8B98783B79677E4BFF3269EF27AFF7A0" blockId="21.[134,1474,1975,2055]" pageId="21" pageNumber="627"> Fig. 12. <taxonomicName id="4C2703B879677E4BFF6969EF24ECF86B" baseAuthorityName="Wood-Mason in Wood-Mason & Alcock" baseAuthorityYear="1891" box="[211,477,1975,1996]" class="Malacostraca" family="Trapeziidae" genus="Sphenomerides" kingdom="Animalia" order="Decapoda" pageId="21" pageNumber="627" phylum="Arthropoda" rank="species" species="trapezioides"> <emphasis id="B953A42979677E4BFF6969EF24ECF86B" box="[211,477,1975,1996]" italics="true" pageId="21" pageNumber="627">Sphenomerides trapezioides</emphasis> </taxonomicName> , male (7.8 × 5.9 mm) (ZRC 2000.2103), Madagascar. A, Dorsal habitus; B, frontal view of cephalothorax; C, dorsal view of carapace; D, male pleonal somites 3–6 (ventral view) showing fusion between somites 3–5; E, left P4 dactylus and propodus; F, comb-like setal rows on left P4 dactylus. </paragraph> </caption> <keyStep id="30D3609E79647E48FFCB6EE527DEFEE1" pageId="22" pageNumber="628"> <paragraph id="8B98783B79647E48FFCB6EE527DFFEAA" blockId="22.[113,754,189,1104]" pageId="22" pageNumber="628"> <keyLead id="30D6DB0E79647E48FFCB6EE527DFFEAA" pageId="22" pageNumber="628"> 2. Cheliped merus usually with sharp spines or teeth on flexor margin. G2 shorter than half the length of G1 ........................ .......................................................................... 3 ( <taxonomicName id="4C2703B879647E48FDCE6EAF27D9FEAA" ID-CoL="7NLD5" authorityName="Miers" authorityYear="1886" box="[628,744,247,269]" class="Malacostraca" family="Trapeziidae" kingdom="Animalia" order="Decapoda" pageId="22" pageNumber="628" phylum="Arthropoda" rank="family">Trapeziidae</taxonomicName> ) </keyLead> </paragraph> <paragraph id="8B98783B79647E48FFCB6F4C27DEFEE1" blockId="22.[113,754,189,1104]" pageId="22" pageNumber="628"> <keyLead id="30D6DB0E79647E48FFCB6F4C27DEFEE1" pageId="22" pageNumber="628"> – Cheliped merus unarmed. G2 three-quarters to as long as G1 ........................................................................... <taxonomicName id="4C2703B879647E48FDE56F6827DEFEE1" ID-CoL="BV5SW" authorityName="Stevcic" authorityYear="2005" box="[607,751,304,326]" class="Malacostraca" family="Calocarcinidae" higherTaxonomySource="CoL" kingdom="Animalia" order="Decapoda" pageId="22" pageNumber="628" phylum="Arthropoda" rank="family">Calocarcinidae</taxonomicName> </keyLead> </paragraph> </keyStep> <keyStep id="30D3609E79647E48FFCB6F1527DEFE1E" pageId="22" pageNumber="628"> <paragraph id="8B98783B79647E48FFCB6F1527DFFE27" blockId="22.[113,754,189,1104]" pageId="22" pageNumber="628"> <keyLead id="30D6DB0E79647E48FFCB6F1527DFFE27" pageId="22" pageNumber="628"> 3. Carapace subtrapezoid. Maxilliped 3 merus as wide as ischium (at midlength) ......................................................... <taxonomicName id="4C2703B879647E48FDC76F3227DFFE27" authorityName="Miers" authorityYear="1886" box="[637,750,362,384]" pageId="22" pageNumber="620" rank="subFamily" subFamily="Trapeziinae">Trapeziinae</taxonomicName> </keyLead> </paragraph> <paragraph id="8B98783B79647E48FFCB6FDF27DEFE1E" blockId="22.[113,754,189,1104]" pageId="22" pageNumber="628"> <keyLead id="30D6DB0E79647E48FFCB6FDF27DEFE1E" pageId="22" pageNumber="628">– Carapace hexagonal or ovate. Maxilliped 3 merus narrower than ischium (at midlength) ....................................................4</keyLead> </paragraph> </keyStep> <keyStep id="30D3609E79647E48FFCB6F9927DEFD24" pageId="22" pageNumber="628"> <paragraph id="8B98783B79647E48FFCB6F9927DEFDB7" blockId="22.[113,754,189,1104]" pageId="22" pageNumber="628"> <keyLead id="30D6DB0E79647E48FFCB6F9927DEFDB7" pageId="22" pageNumber="628"> 4. Carapace hexagonal; dorsum flattened, gently convex in anterior view. P2–5 dactyli with transverse comb-like rows of setae on facial surfaces....................................................... <taxonomicName id="4C2703B879647E48FDC96FA227DEFDB7" authorityName="Stevcic" authorityYear="2005" box="[627,751,506,528]" class="Anthozoa" family="Pocilloporidae" kingdom="Animalia" order="Scleractinia" pageId="22" pageNumber="620" phylum="Cnidaria" rank="subFamily" subFamily="Quadrellinae">Quadrellinae</taxonomicName> </keyLead> </paragraph> <paragraph id="8B98783B79647E48FFCB6C4F27DEFD24" blockId="22.[113,754,189,1104]" pageId="22" pageNumber="628"> <keyLead id="30D6DB0E79647E48FFCB6C4F27DEFD24" pageId="22" pageNumber="628"> – Carapace transversely ovate; dorsum distinctly convex. P2–5 dactyli with transverse comb-like rows of feeding setae on flexor margin only, absent from facial surfaces....................... ....................................................................... <taxonomicName id="4C2703B879647E48FDFD6C3527DEFD24" authorityName="Stevcic" authorityYear="2005" box="[583,751,621,643]" pageId="22" pageNumber="621" rank="subFamily" subFamily="Sphenomeridinae">Sphenomeridinae</taxonomicName> </keyLead> </paragraph> </keyStep> <keyStep id="30D3609E79647E48FFCB6CD227DEFCEA" pageId="22" pageNumber="628"> <paragraph id="8B98783B79647E48FFCB6CD227DEFD51" blockId="22.[113,754,189,1104]" pageId="22" pageNumber="628"> <keyLead id="30D6DB0E79647E48FFCB6CD227DEFD51" pageId="22" pageNumber="628"> 5. Carapace dorsal surface covered with small granules and spines; anterolateral margin with 2 or 3 teeth and additional acute granules or spinules. Cheliped propodus outer surface with prominent rounded or pointed tubercles ...... <taxonomicName id="4C2703B879647E48FDC16CB827DEFD51" ID-CoL="7NJ99" authorityName="Ortmann" authorityYear="1893" box="[635,751,736,758]" class="Malacostraca" family="Domeciidae" kingdom="Animalia" order="Decapoda" pageId="22" pageNumber="628" phylum="Arthropoda" rank="family">Domeciidae</taxonomicName> </keyLead> </paragraph> <paragraph id="8B98783B79647E48FFCB6CA627DEFCEA" blockId="22.[113,754,189,1104]" pageId="22" pageNumber="628"> <keyLead id="30D6DB0E79647E48FFCB6CA627DEFCEA" pageId="22" pageNumber="628">– Carapace dorsal surface smooth; anterolateral margin behind outer orbital tooth unarmed or with sharp spine. Cheliped propodus smooth, outer surface without tubercles.................6</keyLead> </paragraph> </keyStep> <keyStep id="30D3609E79647E48FFCB6D0C27DEFBF7" pageId="22" pageNumber="628"> <paragraph id="8B98783B79647E48FFCB6D0C27DEFC7A" blockId="22.[113,754,189,1104]" pageId="22" pageNumber="628"> <keyLead id="30D6DB0E79647E48FFCB6D0C27DEFC7A" pageId="22" pageNumber="628"> 6. Carapace transversely ovate, widest near midlength; anterolateral margin with two teeth posterior to outer orbital tooth; front smooth, unarmed. Antennal peduncle entering orbital hiatus. Maxilliped 3 exopod reaching distally to distal edge of merus ................................................................ <taxonomicName id="4C2703B879647E48FDE16D9F27DEFC7A" ID-CoL="BV5TP" authorityName="Ng & Ahyong & Castro" authorityYear="2023" box="[603,751,967,989]" class="Malacostraca" family="Ectaesthesiidae" higherTaxonomySource="CoL" kingdom="Animalia" order="Decapoda" pageId="22" pageNumber="628" phylum="Arthropoda" rank="family">Ectaesthesiidae</taxonomicName> </keyLead> </paragraph> <paragraph id="8B98783B79647E48FFCB6DBC27DEFBF7" blockId="22.[113,754,189,1104]" pageId="22" pageNumber="628"> <keyLead id="30D6DB0E79647E48FFCB6DBC27DEFBF7" pageId="22" pageNumber="628"> – Carapace subtrapezoidal, widest anteriorly; anterolateral margin unarmed posterior to outer orbital tooth; front denticulate. Antennal peduncle excluded from orbit. Maxilliped 3 exopod reaching to two-thirds length of merus.................. <taxonomicName id="4C2703B879647E48FD3D6A6227DEFBF7" ID-CoL="7NL9T" authorityName="Castro, Ahyong & Ng" authorityYear="2004" box="[647,751,1082,1104]" class="Malacostraca" family="Tetraliidae" kingdom="Animalia" order="Decapoda" pageId="22" pageNumber="628" phylum="Arthropoda" rank="family">Tetraliidae</taxonomicName> </keyLead> </paragraph> </keyStep> </subSubSection> </treatment> </document>