treatments-xml/data/F3/71/4C/F3714C7EFF966D0DFF155944FA6CF84B.xml

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<document id="DA1CBC2B872B4F2BE6C1525B897BA003" ID-CLB-Dataset="26263" ID-DOI="10.11646/zootaxa.4629.4.3" ID-GBIF-Dataset="e16432db-82d6-4286-9271-5c9902dcc516" ID-ISSN="1175-5326" ID-Zenodo-Dep="3274112" ID-ZooBank="6521E83F-277D-4B06-BC03-18BE8E9BBD4F" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1562654074919" checkinUser="plazi" docAuthor="Silvany, Liz &amp; Senna, André R." docDate="2019" docId="F3714C7EFF966D0DFF155944FA6CF84B" docLanguage="en" docName="zootaxa.4629.4.3.pdf" docOrigin="Zootaxa 4629 (4)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Colomastix Grube 1861" docType="key" docVersion="10" lastPageNumber="550" masterDocId="0F483406FF886D12FF825C71FFF0FFAC" masterDocTitle="Three new species of Colomastix Grube, 1861 (Amphipoda: Colomastigidea) from Todos-os-Santos Bay, northeastern Brazilian coast, with identification keys to Atlantic Ocean species" masterLastPageNumber="554" masterPageNumber="519" pageNumber="549" updateTime="1698739566160" updateUser="ExternalLinkService">
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<mods:title id="E3C8E951917E320B8B846A159B80FCAC">Three new species of Colomastix Grube, 1861 (Amphipoda: Colomastigidea) from Todos-os-Santos Bay, northeastern Brazilian coast, with identification keys to Atlantic Ocean species</mods:title>
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<mods:namePart id="95D6672913F3D7F7790EA0188D91999B">Silvany, Liz</mods:namePart>
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<mods:namePart id="14A283ADAEE090D192226A871114991A">Senna, André R.</mods:namePart>
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<treatment id="F3714C7EFF966D0DFF155944FA6CF84B" ID-GBIF-Taxon="158578324" LSID="urn:lsid:plazi:treatment:F3714C7EFF966D0DFF155944FA6CF84B" httpUri="http://treatment.plazi.org/id/F3714C7EFF966D0DFF155944FA6CF84B" lastPageId="31" lastPageNumber="550" pageId="30" pageNumber="549">
<subSubSection id="33C2AEE3FF966D0CFF155944FC2BFAE3" box="[151,987,1332,1359]" pageId="30" pageNumber="549" type="nomenclature">
<paragraph id="7B67FD68FF966D0CFF155944FC2BFAE3" blockId="30.[151,987,1332,1359]" box="[151,987,1332,1359]" pageId="30" pageNumber="549">
<heading id="202F4A04FF966D0CFF155944FC2BFAE3" bold="true" box="[151,987,1332,1359]" fontSize="11" level="1" pageId="30" pageNumber="549" reason="1">
<emphasis id="49AC217AFF966D0CFF155944FC2BFAE3" bold="true" box="[151,987,1332,1359]" pageId="30" pageNumber="549">
Key to adult females of
<taxonomicName id="BCD886EBFF966D0CFE3D5945FDB8FAE3" ID-CoL="7NTBW" authorityName="Grube" authorityYear="1861" box="[447,584,1332,1359]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="549" phylum="Arthropoda" rank="genus">
<emphasis id="49AC217AFF966D0CFE3D5945FDB8FAE3" bold="true" box="[447,584,1332,1359]" italics="true" pageId="30" pageNumber="549">Colomastix</emphasis>
</taxonomicName>
species from the Atlantic Ocean
</emphasis>
</heading>
</paragraph>
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<subSubSection id="33C2AEE3FF966D0DFF15590BFA6CF84B" lastPageId="31" lastPageNumber="550" pageId="30" pageNumber="549" type="key">
<key id="0F49AA59FF966D0DFF15590BFA6CFF60" lastPageId="31" lastPageNumber="550" pageId="30" pageNumber="549">
<key id="0F49AA59FF966D0CFF15590BFA6CF875" pageId="30" pageNumber="549">
<keyStep id="C02CE5CDFF966D0CFF15590BFA6CFA01" pageId="30" pageNumber="549">
<paragraph id="7B67FD68FF966D0CFF15590BFA6CFA23" blockId="30.[151,1437,1401,2039]" box="[151,1436,1401,1423]" pageId="30" pageNumber="549">
<keyLead id="C0295E5DFF966D0CFF15590BFA6CFA23" box="[151,1436,1401,1423]" pageId="30" pageNumber="549">1. Inner plate of maxilliped cleft........................................................................... 2</keyLead>
</paragraph>
<paragraph id="7B67FD68FF966D0CFF1559E6FA6CFA01" blockId="30.[151,1437,1401,2039]" box="[151,1436,1431,1453]" pageId="30" pageNumber="549">
<keyLead id="C0295E5DFF966D0CFF1559E6FA6CFA01" box="[151,1436,1431,1453]" pageId="30" pageNumber="549">- Inner plate of maxilliped entire.......................................................................... 5</keyLead>
</paragraph>
</keyStep>
<keyStep id="C02CE5CDFF966D0CFF1559C5FA6CFA4B" pageId="30" pageNumber="549">
<paragraph id="7B67FD68FF966D0CFF1559C5FA6CFA65" blockId="30.[151,1437,1401,2039]" box="[151,1436,1460,1482]" pageId="30" pageNumber="549">
<keyLead id="C0295E5DFF966D0CFF1559C5FA6CFA65" box="[151,1436,1460,1482]" pageId="30" pageNumber="549">2. Gnathopod 2, dactylus insertion terminal.................................................................. 3</keyLead>
</paragraph>
<paragraph id="7B67FD68FF966D0CFF1559A3FA6CFA4B" blockId="30.[151,1437,1401,2039]" box="[151,1436,1489,1511]" pageId="30" pageNumber="549">
<keyLead id="C0295E5DFF966D0CFF1559A3FA6CFA4B" box="[151,1436,1489,1511]" pageId="30" pageNumber="549">- Gnathopod 2, dactylus insertion subterminal............................................................... 4</keyLead>
</paragraph>
</keyStep>
<keyStep id="C02CE5CDFF966D0CFF15599EFA6CF98D" pageId="30" pageNumber="549">
<paragraph id="7B67FD68FF966D0CFF15599EFA6CF9A8" blockId="30.[151,1437,1401,2039]" box="[151,1436,1519,1541]" pageId="30" pageNumber="549">
<keyLead id="C0295E5DFF966D0CFF15599EFA6CF9A8" box="[151,1436,1519,1541]" pageId="30" pageNumber="549">
3. Telson lateral margins castellated...............................................................
<taxonomicName id="BCD886EBFF966D0CFAA1599EFA6CF9A8" ID-CoL="5ZMVH" authorityName="K. H. Barnard" authorityYear="1932" box="[1315,1436,1519,1540]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="549" phylum="Arthropoda" rank="species" species="castellata">
<emphasis id="49AC217AFF966D0CFAA1599EFA6CF9A8" box="[1315,1436,1519,1540]" italics="true" pageId="30" pageNumber="549">C. castellata</emphasis>
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</paragraph>
<paragraph id="7B67FD68FF966D0CFF155A7CFA6CF98D" blockId="30.[151,1437,1401,2039]" box="[151,1436,1548,1570]" pageId="30" pageNumber="549">
<keyLead id="C0295E5DFF966D0CFF155A7CFA6CF98D" box="[151,1436,1548,1570]" pageId="30" pageNumber="549">
- Telson lateral margins smooth.................................................................
<taxonomicName id="BCD886EBFF966D0CFA9E5A7DFA6CF98D" ID-CoL="X7JN" authorityName="Schellenberg" authorityYear="1926" box="[1308,1436,1548,1569]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="549" phylum="Arthropoda" rank="species" species="fissilingua">
<emphasis id="49AC217AFF966D0CFA9E5A7DFA6CF98D" box="[1308,1436,1548,1569]" italics="true" pageId="30" pageNumber="549">C. fissilingua</emphasis>
</taxonomicName>
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</paragraph>
</keyStep>
<keyStep id="C02CE5CDFF966D0CFF155A5BFA6CF9F0" pageId="30" pageNumber="549">
<paragraph id="7B67FD68FF966D0CFF155A5BFA6CF992" blockId="30.[151,1437,1401,2039]" box="[151,1436,1577,1599]" pageId="30" pageNumber="549">
<keyLead id="C0295E5DFF966D0CFF155A5BFA6CF992" box="[151,1436,1577,1599]" pageId="30" pageNumber="549">
4. Gnathopod 1, propodus with about 5 terminal, distally curved setae; uropod 3, inner ramus expanded..........
<taxonomicName id="BCD886EBFF966D0CFAB15A5BFA6CF992" ID-CoL="X7J9" authorityName="Alonso de Pina" authorityYear="1993" box="[1331,1436,1577,1599]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="549" phylum="Arthropoda" rank="species" species="bastidai">
<emphasis id="49AC217AFF966D0CFAB15A5BFA6CF992" box="[1331,1436,1577,1599]" italics="true" pageId="30" pageNumber="549">C. bastidai</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="7B67FD68FF966D0CFF155A36FA6CF9F0" blockId="30.[151,1437,1401,2039]" box="[151,1436,1607,1629]" pageId="30" pageNumber="549">
<keyLead id="C0295E5DFF966D0CFF155A36FA6CF9F0" box="[151,1436,1607,1629]" pageId="30" pageNumber="549">
- Gnathopod 1, propodus with 2 terminal, distally curved setae; uropod 3, inner ramus unexpanded..........
<taxonomicName id="BCD886EBFF966D0CFA895A36FA6CF9F0" ID-CoL="X7KF" authorityName="Nicholls" authorityYear="1938" box="[1291,1436,1607,1628]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="549" phylum="Arthropoda" rank="species" species="simplicauda">
<emphasis id="49AC217AFF966D0CFA895A36FA6CF9F0" box="[1291,1436,1607,1628]" italics="true" pageId="30" pageNumber="549">C. simplicauda</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="C02CE5CDFF966D0CFF155A15FA6CF8A0" pageId="30" pageNumber="549">
<paragraph id="7B67FD68FF966D0CFF155A15FA6CF919" blockId="30.[151,1437,1401,2039]" pageId="30" pageNumber="549">
<keyLead id="C0295E5DFF966D0CFF155A15FA6CF919" pageId="30" pageNumber="549">5. Eyes protruding laterally; antenna 2, lateral of peduncle 35 lacking line of small, equally-spaced setae; maxilliped, basal shell expanded as a ventral keel; gnathopod 2, insertion of dactylus subterminal; pleopods 13, outer ramus 4-articulate, inner ramus 3-articulate; urosomite 1 elongate; telson linguiform......................................................... 6</keyLead>
</paragraph>
<paragraph id="7B67FD68FF966D0CFF155ACCFA6CF8A0" blockId="30.[151,1437,1401,2039]" pageId="30" pageNumber="549">
<keyLead id="C0295E5DFF966D0CFF155ACCFA6CF8A0" pageId="30" pageNumber="549">
- Eyes not protruding laterally; antenna 2, lateral of peduncle 35 lined with small, equally-spaced setae; maxilliped, basal shell not expanded as a ventral keel; gnathopod 2, insertion of dactylus terminal; pleopods 13, rami with equal number of article (except for
<taxonomicName id="BCD886EBFF966D0CFED25A86FDE7F8A0" ID-CoL="7ZK57" authority="Silvany &amp; Senna, 2019" authorityName="Silvany &amp; Senna" authorityYear="2019" box="[336,535,1783,1804]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="549" phylum="Arthropoda" rank="species" species="tubulosa" status="sp. nov.">
<emphasis id="49AC217AFF966D0CFED25A86FDE7F8A0" box="[336,535,1783,1804]" italics="true" pageId="30" pageNumber="549">Colomastix tubulosa</emphasis>
</taxonomicName>
<taxonomicNameLabel id="529F9C01FF966D0CFD9E5A86FD99F8A0" box="[540,617,1783,1804]" pageId="30" pageNumber="549" rank="species">
<emphasis id="49AC217AFF966D0CFD9E5A86FD99F8A0" bold="true" box="[540,617,1783,1804]" pageId="30" pageNumber="549">sp. nov.</emphasis>
</taxonomicNameLabel>
); urosomite not 1 elongate; telson subtriangular or subovate.................. 8
</keyLead>
</paragraph>
</keyStep>
<keyStep id="C02CE5CDFF966D0CFF155B65FA6DF82D" pageId="30" pageNumber="549">
<paragraph id="7B67FD68FF966D0CFF155B65FA6CF8EB" blockId="30.[151,1437,1401,2039]" pageId="30" pageNumber="549">
<keyLead id="C0295E5DFF966D0CFF155B65FA6CF8EB" pageId="30" pageNumber="549">6. Interantennal plate, anterior margin strongly serrate; antennae 1, dorsomedial and ventromedial margins strongly serrate or with small spines; antenna 2, article 3, distomedial process present.................................................. 7</keyLead>
</paragraph>
<paragraph id="7B67FD68FF966D0CFF155B3EFA6DF82D" blockId="30.[151,1437,1401,2039]" pageId="30" pageNumber="549">
<keyLead id="C0295E5DFF966D0CFF155B3EFA6DF82D" pageId="30" pageNumber="549">
- Interantennal plate, anterior margin smooth, slightly concave; antennae 1, dorsomedial and ventromedial margins smooth; antenna 2, article 3, distomedial process absent.................................................
<taxonomicName id="BCD886EBFF966D0CFB785B1DFA6DF82D" ID-CoL="X7JQ" authorityName="Bousfield" authorityYear="1973" box="[1274,1437,1900,1921]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="549" phylum="Arthropoda" rank="species" species="halichondriae">
<emphasis id="49AC217AFF966D0CFB785B1DFA6DF82D" box="[1274,1437,1900,1921]" italics="true" pageId="30" pageNumber="549">C. halichondriae</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<paragraph id="7B67FD68FF966D0CFF155BFBFA6CF875" blockId="30.[151,1437,1401,2039]" pageId="30" pageNumber="549">
<keyStep id="C02CE5CDFF966D0CFF155BFBFA6CF875" pageId="30" pageNumber="549">
<keyLead id="C0295E5DFF966D0CFF155BFBFA6CF875" pageId="30" pageNumber="549">
7. Interantennal plate, anterior margin with single ventral tooth; antenna 1, dorsomedial and ventromedial margins with small spines; antenna 2, dorsomedial margin with very small spines, ventromedial margins smooth; pereopods 37, propodus flexor margin lacking setae, dactylus with nail; pereopod 5, carpus elongated.....................
<taxonomicName id="BCD886EBFF966D0CFB045BB5FABAF875" ID-CoL="7ZK55" authority="Silvany &amp; Senna, 2019" authorityName="Silvany &amp; Senna" authorityYear="2019" box="[1158,1354,1988,2009]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="549" phylum="Arthropoda" rank="species" species="marielle" status="sp. nov.">
<emphasis id="49AC217AFF966D0CFB045BB5FABAF875" box="[1158,1354,1988,2009]" italics="true" pageId="30" pageNumber="549">Colomastix marielle</emphasis>
</taxonomicName>
<taxonomicNameLabel id="529F9C01FF966D0CFAD25BB5FA6CF875" box="[1360,1436,1988,2009]" pageId="30" pageNumber="549" rank="species">
<emphasis id="49AC217AFF966D0CFAD25BB5FA6CF875" bold="true" box="[1360,1436,1988,2009]" pageId="30" pageNumber="549">sp. nov.</emphasis>
</taxonomicNameLabel>
</keyLead>
</keyStep>
</paragraph>
</key>
<paragraph id="7B67FD68FF966D0DFF155B93FA6CFF60" blockId="30.[151,1437,1401,2039]" lastBlockId="31.[151,1437,153,2023]" lastPageId="31" lastPageNumber="550" pageId="30" pageNumber="549">
<keyLead id="C0295E5DFF966D0DFF155B93FA6CFF60" lastPageId="31" lastPageNumber="550" pageId="30" pageNumber="549">
- Interantennal plate, anterior margin lacking ventral tooth; antenna 1, dorsomedial and ventromedial margins strongly serrate; antenna 2, dorsomedial and ventromedial margins strongly serrate; pereopods 37, propodus flexor margin with a single seta, dactylus without nail; pereopod 5, carpus not elongated............................................
<taxonomicName id="BCD886EBFF976D0DFA965CC6FA6CFF60" ID-CoL="X7JJ" authorityName="LeCroy" authorityYear="1995" box="[1300,1436,183,204]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="550" phylum="Arthropoda" rank="species" species="denticornis">
<emphasis id="49AC217AFF976D0DFA965CC6FA6CFF60" box="[1300,1436,183,204]" italics="true" pageId="31" pageNumber="550">C. denticornis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</key>
<keyStep id="C02CE5CDFF976D0DFF155CA5FA6CFEED" pageId="31" pageNumber="550">
<key id="0F49AA59FF976D0DFF155CA5FA6CFEED" pageId="31" pageNumber="550">
<paragraph id="7B67FD68FF976D0DFF155CA5FA6CFEAB" blockId="31.[151,1437,153,2023]" pageId="31" pageNumber="550">
<keyStep id="C02CE5CDFF976D0DFF155CA5FA6CFEAB" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155CA5FA6CFEAB" pageId="31" pageNumber="550">8. Uropod 3, inner ramus wedge-shaped, slightly shorter than outer ramus, broadly expanded ventrally, ventral margin densely setose.............................................................................................. 9</keyLead>
</keyStep>
</paragraph>
<paragraph id="7B67FD68FF976D0DFF155D7EFA6CFEED" blockId="31.[151,1437,153,2023]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155D7EFA6CFEED" pageId="31" pageNumber="550">- Uropod 3, inner ramus lanceolate or expanded proximally, longer or subequal to outer ramus in length, not expanded ventrally, ventral margin lacking setae........................................................................... 11</keyLead>
</paragraph>
</key>
</keyStep>
<key id="0F49AA59FF976D0DFF155D3BFA6CF84B" pageId="31" pageNumber="550">
<keyStep id="C02CE5CDFF976D0DFF155D3BFA6CFED0" pageId="31" pageNumber="550">
<paragraph id="7B67FD68FF976D0DFF155D3BFA6CFEF3" blockId="31.[151,1437,153,2023]" box="[151,1436,329,351]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155D3BFA6CFEF3" box="[151,1436,329,351]" pageId="31" pageNumber="550">9. Rostrum acute or subacute; uropod 1, peduncle subequal to inner ramus in length................................. 10</keyLead>
</paragraph>
<paragraph id="7B67FD68FF976D0DFF155D16FA6CFED0" blockId="31.[151,1437,153,2023]" box="[151,1436,359,381]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155D16FA6CFED0" box="[151,1436,359,381]" pageId="31" pageNumber="550">
- Rostrum rounded; uropod 1, peduncle slightly shorter then inner ramus.................................
<taxonomicName id="BCD886EBFF976D0DFAA15D16FA6CFED0" ID-CoL="X7JM" authorityName="LeCroy" authorityYear="1995" box="[1315,1436,359,380]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="550" phylum="Arthropoda" rank="species" species="falcirama">
<emphasis id="49AC217AFF976D0DFAA15D16FA6CFED0" box="[1315,1436,359,380]" italics="true" pageId="31" pageNumber="550">C. falcirama</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="C02CE5CDFF976D0DFF155DF5FA6CFD80" pageId="31" pageNumber="550">
<paragraph id="7B67FD68FF976D0DFF155DF5FA6DFE78" blockId="31.[151,1437,153,2023]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155DF5FA6DFE78" pageId="31" pageNumber="550">
10. Rostrum subacute; interantennal plate, anterodorsal angle projecting slightly beyond anteroventral angle, forming slight overhang; antenna 2, peduncle article 3 with one large distomedial setae adjacent to a large process; uropod 2, peduncle subequal to inner ramus in length; telson tip slightly truncate...................................................
<taxonomicName id="BCD886EBFF976D0DFAA05DCEFA6DFE78" ID-CoL="5ZN7G" authorityName="LeCroy" authorityYear="1995" box="[1314,1437,447,468]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="550" phylum="Arthropoda" rank="species" species="bousfieldi">
<emphasis id="49AC217AFF976D0DFAA05DCEFA6DFE78" box="[1314,1437,447,468]" italics="true" pageId="31" pageNumber="550">C. bousfieldi</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="7B67FD68FF976D0DFF155DACFA6CFD80" blockId="31.[151,1437,153,2023]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155DACFA6CFD80" pageId="31" pageNumber="550">
- Rostrum acute; interantennal plate, anterodorsal and anteroventral angles projecting forward subequally; antenna 2, peduncle article 3 with one large distomedial setae, but adjacent process absent; uropod 2, peduncle slightly shorter than inner ramus; telson tip rounded..............................................................................
<taxonomicName id="BCD886EBFF976D0DFAC05E66FA6CFD80" ID-CoL="X7JS" authorityName="LeCroy" authorityYear="1995" box="[1346,1436,535,556]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="550" phylum="Arthropoda" rank="species" species="heardi">
<emphasis id="49AC217AFF976D0DFAC05E66FA6CFD80" box="[1346,1436,535,556]" italics="true" pageId="31" pageNumber="550">C. heardi</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="C02CE5CDFF976D0DFF155E45FA6CFDCB" pageId="31" pageNumber="550">
<paragraph id="7B67FD68FF976D0DFF155E45FA6CFDE5" blockId="31.[151,1437,153,2023]" box="[151,1436,564,586]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155E45FA6CFDE5" box="[151,1436,564,586]" pageId="31" pageNumber="550">
11. Head length slightly longer than first pereonite (except
<taxonomicName id="BCD886EBFF976D0DFD745E45FCB7FDE6" ID-CoL="X7KD" authorityName="Winfield &amp; Ortiz" authorityYear="2010" box="[758,839,564,586]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="550" phylum="Arthropoda" rank="species" species="sarae">
<emphasis id="49AC217AFF976D0DFD745E45FCB7FDE6" box="[758,839,564,586]" italics="true" pageId="31" pageNumber="550">C. sarae</emphasis>
</taxonomicName>
); pereopods 37, propodus flexor margin lacking setae... 12
</keyLead>
</paragraph>
<paragraph id="7B67FD68FF976D0DFF155E23FA6CFDCB" blockId="31.[151,1437,153,2023]" box="[151,1436,593,615]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155E23FA6CFDCB" box="[151,1436,593,615]" pageId="31" pageNumber="550">
- Head length subequal to first pereonite; pereopods 37, propodus flexor margin with setae (except for
<taxonomicName id="BCD886EBFF976D0DFB3B5E23FAC8FDCA" ID-CoL="X7JL" authorityName="Winfield &amp; Ortiz" authorityYear="2010" box="[1209,1336,593,615]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="550" phylum="Arthropoda" rank="species" species="escobarae">
<emphasis id="49AC217AFF976D0DFB3B5E23FAC8FDCA" box="[1209,1336,593,615]" italics="true" pageId="31" pageNumber="550">C. escobarae</emphasis>
</taxonomicName>
)..... 16
</keyLead>
</paragraph>
</keyStep>
<keyStep id="C02CE5CDFF976D0DFF155E1EFA6CFD70" pageId="31" pageNumber="550">
<paragraph id="7B67FD68FF976D0DFF155E1EFA6CFD0E" blockId="31.[151,1437,153,2023]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155E1EFA6CFD0E" pageId="31" pageNumber="550">
12. Head length subequal to first pereon segment; rostrum acute; antenna 1, article 1, dorsomedial margin with 34 setae; pleopods 13, outer ramus 4-articulate, inner ramus 3-articulate; telson subovate....................................
<taxonomicName id="BCD886EBFF976D0DFAC95EFDFA6CFD0E" ID-CoL="X7KD" authorityName="Winfield &amp; Ortiz" authorityYear="2010" box="[1355,1436,652,674]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="550" phylum="Arthropoda" rank="species" species="sarae">
<emphasis id="49AC217AFF976D0DFAC95EFDFA6CFD0E" box="[1355,1436,652,674]" italics="true" pageId="31" pageNumber="550">C. sarae</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="7B67FD68FF976D0DFF155EDBFA6CFD70" blockId="31.[151,1437,153,2023]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155EDBFA6CFD70" pageId="31" pageNumber="550">- Head length slightly longer than first pereonite; rostrum subacute; antenna 1, article 1, dorsomedial margin with 02 setae; pleopods 13, rami 3 or 4-articulate; telson subtriangular.................................................... 13</keyLead>
</paragraph>
</keyStep>
<keyStep id="C02CE5CDFF976D0DFF155E95FA6CFC99" pageId="31" pageNumber="550">
<paragraph id="7B67FD68FF976D0DFF155E95FA6CFCBB" blockId="31.[151,1437,153,2023]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155E95FA6CFCBB" pageId="31" pageNumber="550">13. Uropod 1, peduncle subequal to inner ramus; uropod 3, inner ramus slightly longer than peduncle; telson lateral margins castellated.............................................................................................. 14</keyLead>
</paragraph>
<paragraph id="7B67FD68FF976D0DFF155F6EFA6CFC99" blockId="31.[151,1437,153,2023]" box="[151,1436,799,821]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155F6EFA6CFC99" box="[151,1436,799,821]" pageId="31" pageNumber="550">- Uropod 1, peduncle longer than inner ramus; uropod 3, rami subequal in length; telson lateral margins smooth.......... 15</keyLead>
</paragraph>
</keyStep>
<keyStep id="C02CE5CDFF976D0DFF155F4DFA6CFBB2" pageId="31" pageNumber="550">
<paragraph id="7B67FD68FF976D0DFF155F4DFA6CFC06" blockId="31.[151,1437,153,2023]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155F4DFA6CFC06" pageId="31" pageNumber="550">
14. Interantennal plate, anterior margin concave; antenna 1, article 1, dorsomedial margin lacking seta; antenna 2, peduncle 3 with 1 elongate seta and 1 shorter seta adjacent to a very strong, inwardly curved distomedial process, tip of setae not extending tip of process; oostegite narrowly subovate, tip of setae curled; pleopods 13, rami 4-articulate; telson lateral margins strongly castellated, tip not bilobed, rounded...............................................................
<taxonomicName id="BCD886EBFF976D0DFAB55FE5FA6CFC06" ID-CoL="X7JD" authorityName="LeCroy" authorityYear="1995" box="[1335,1436,916,938]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="550" phylum="Arthropoda" rank="species" species="camura">
<emphasis id="49AC217AFF976D0DFAB55FE5FA6CFC06" box="[1335,1436,916,938]" italics="true" pageId="31" pageNumber="550">C. camura</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="7B67FD68FF976D0DFF155FC3FA6CFBB2" blockId="31.[151,1437,153,2023]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155FC3FA6CFBB2" pageId="31" pageNumber="550">
- Interantenal plate, anterior margin straight; antenna 1, article 1, dorsomedial margin with 1 seta; antenna 2, peduncle 3 with single, large distomedial seta adjacent to small, broad process, tip of setae extending well beyond tip of process; oostegite subovate, tip of setae not curled; pleopods 13, rami 3-articulate; telson lateral margins weakly castellated, tip faintly bilobed, slightly truncate..........................................................................
<taxonomicName id="BCD886EBFF976D0DFA82587BFA6CFBB2" ID-CoL="X7JG" authorityName="LeCroy" authorityYear="1995" box="[1280,1436,1033,1055]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="550" phylum="Arthropoda" rank="species" species="cornuticauda">
<emphasis id="49AC217AFF976D0DFA82587BFA6CFBB2" box="[1280,1436,1033,1055]" italics="true" pageId="31" pageNumber="550">C. cornuticauda</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="C02CE5CDFF976D0DFF155856FA6CFAA5" pageId="31" pageNumber="550">
<paragraph id="7B67FD68FF976D0DFF155856FA6CFB38" blockId="31.[151,1437,153,2023]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155856FA6CFB38" pageId="31" pageNumber="550">
15. Interantennal plate, anteroventral angle extending slightly beyond anterodorsal angle; antenna 2, peduncle 3 with single, large distomedial seta adjacent to small process, tip of setae extending well beyond tip of process; gnathopod 5, dactylus tip pleated; uropod 1, peduncle slightly longer than inner ramus, inner ramus slightly longer than outer; uropod 3, inner ramus slightly expanded proximally............................................................
<taxonomicName id="BCD886EBFF976D0DFB0B580EFAB9FB38" ID-CoL="7ZK54" authority="Silvany &amp; Senna, 2019" authorityName="Silvany &amp; Senna" authorityYear="2019" box="[1161,1353,1151,1172]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="550" phylum="Arthropoda" rank="species" species="iemanja" status="sp. nov.">
<emphasis id="49AC217AFF976D0DFB0B580EFAB9FB38" box="[1161,1353,1151,1172]" italics="true" pageId="31" pageNumber="550">Colomastix iemanja</emphasis>
</taxonomicName>
<taxonomicNameLabel id="529F9C01FF976D0DFAD2580EFA6CFB38" box="[1360,1436,1151,1172]" pageId="31" pageNumber="550" rank="species">
<emphasis id="49AC217AFF976D0DFAD2580EFA6CFB38" bold="true" box="[1360,1436,1151,1172]" pageId="31" pageNumber="550">sp. nov.</emphasis>
</taxonomicNameLabel>
</keyLead>
</paragraph>
<paragraph id="7B67FD68FF976D0DFF1558ECFA6CFAA5" blockId="31.[151,1437,153,2023]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF1558ECFA6CFAA5" pageId="31" pageNumber="550">
- Interantennal plate, anterodorsal and anteroventral angles projecting forward subequally; antenna 2, peduncle 3 with 1 elongate seta and 1 shorter seta adjacent to distomedial process, tip of elongate seta and process extending forward subequally; gnathopod 5, dactylus tip not pleated; uropod 1, peduncle subequal to rami in length, rami subequal in length; uropod 3, inner ramus lanceolate...................................................................................
<taxonomicName id="BCD886EBFF976D0DFAB65885FA6CFAA5" ID-CoL="X7JP" authorityName="LeCroy" authorityYear="1995" box="[1332,1436,1268,1289]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="550" phylum="Arthropoda" rank="species" species="gibbosa">
<emphasis id="49AC217AFF976D0DFAB65885FA6CFAA5" box="[1332,1436,1268,1289]" italics="true" pageId="31" pageNumber="550">C. gibbosa</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="C02CE5CDFF976D0DFF155960FA6CFA30" pageId="31" pageNumber="550">
<paragraph id="7B67FD68FF976D0DFF155960FA6CFAE8" blockId="31.[151,1437,153,2023]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155960FA6CFAE8" pageId="31" pageNumber="550">16. Interantennal plate, anteroventral and anterodorsal angles projecting forward subequally; antenna 2, peduncle article 3 with one distomedial seta; oostegites, tip of setae not curled; uropod 2, rami subequal in length.............................. 17</keyLead>
</paragraph>
<paragraph id="7B67FD68FF976D0DFF15593CFA6CFA30" blockId="31.[151,1437,153,2023]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF15593CFA6CFA30" pageId="31" pageNumber="550">
- Interantennal plate, anteroventral angle projecting forward than anterodorsal angle; antenna 2, peduncle article 3 with two distomedial setae; oostegites, tip of setae curled (except for
<taxonomicName id="BCD886EBFF976D0DFCA3591BFC6CFAD2" ID-CoL="X7KN" authorityName="LeCroy" authorityYear="1995" box="[801,924,1385,1407]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="550" phylum="Arthropoda" rank="species" species="tridentata">
<emphasis id="49AC217AFF976D0DFCA3591BFC6CFAD2" box="[801,924,1385,1407]" italics="true" pageId="31" pageNumber="550">C. tridentata</emphasis>
</taxonomicName>
); uropod 2, inner ramus longer than outer ramus (except for
<taxonomicName id="BCD886EBFF976D0DFEB059F6FE5DFA30" ID-CoL="X7KN" authorityName="LeCroy" authorityYear="1995" box="[306,429,1415,1436]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="550" phylum="Arthropoda" rank="species" species="tridentata">
<emphasis id="49AC217AFF976D0DFEB059F6FE5DFA30" box="[306,429,1415,1436]" italics="true" pageId="31" pageNumber="550">C. tridentata</emphasis>
</taxonomicName>
)................................................................................ 18
</keyLead>
</paragraph>
</keyStep>
<keyStep id="C02CE5CDFF976D0DFF1559D5FA6DF9C6" pageId="31" pageNumber="550">
<paragraph id="7B67FD68FF976D0DFF1559D5FA6CF9BE" blockId="31.[151,1437,153,2023]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF1559D5FA6CF9BE" pageId="31" pageNumber="550">
17. Interantennal plate, anterior margin straight to slightly concave; antenna 2, peduncle article 3, with small distomedial process; oostegites subovate; pereopods 37, propodus flexor margin with 514 short, curled setae; uropod 1, peduncle slightly longer than inner ramus, inner ramus slightly longer than outer ramus; telson lateral margins smooth, upturned proximally....................................................................................................
<taxonomicName id="BCD886EBFF976D0DFAB4598DFA6CF9BE" ID-CoL="5ZN7H" authorityName="LeCroy" authorityYear="1995" box="[1334,1436,1532,1554]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="550" phylum="Arthropoda" rank="species" species="irciniae">
<emphasis id="49AC217AFF976D0DFAB4598DFA6CF9BE" box="[1334,1436,1532,1554]" italics="true" pageId="31" pageNumber="550">C. irciniae</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="7B67FD68FF976D0DFF155A6BFA6DF9C6" blockId="31.[151,1437,153,2023]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155A6BFA6DF9C6" pageId="31" pageNumber="550">
- Interantennal plate, anterior margin concave; antenna 2, peduncle article 3, lacking small distomedial process; oostegites narrowly subovate; pereopods 37, propodus flexor margin with 25 short, stout setae; uropod 1, peduncle much longer than rami, rami subequal in length; telson lateral margins castellated, not upturned proximally.........................
<taxonomicName id="BCD886EBFF976D0DFAB85A25FA6DF9C6" box="[1338,1437,1620,1642]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="550" phylum="Arthropoda" rank="species" species="janicea">
<emphasis id="49AC217AFF976D0DFAB85A25FA6DF9C6" box="[1338,1437,1620,1642]" italics="true" pageId="31" pageNumber="550">C. janicea</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="C02CE5CDFF976D0DFF155A03FA6CF973" pageId="31" pageNumber="550">
<paragraph id="7B67FD68FF976D0DFF155A03FA6DF908" blockId="31.[151,1437,153,2023]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155A03FA6DF908" pageId="31" pageNumber="550">
18. Interantennal plate, anteroventral angle projecting slightly beyond anterodorsal angle; antenna 1, peduncle article 1, dorsomedial margin with 45 stout setae; uropod 2, rami subequal in length....................................
<taxonomicName id="BCD886EBFF976D0DFAA05AFEFA6DF908" ID-CoL="X7KN" authorityName="LeCroy" authorityYear="1995" box="[1314,1437,1679,1700]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="550" phylum="Arthropoda" rank="species" species="tridentata">
<emphasis id="49AC217AFF976D0DFAA05AFEFA6DF908" box="[1314,1437,1679,1700]" italics="true" pageId="31" pageNumber="550">C. tridentata</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="7B67FD68FF976D0DFF155ADCFA6CF973" blockId="31.[151,1437,153,2023]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155ADCFA6CF973" pageId="31" pageNumber="550">- Interantennal plate, anteroventral angle projecting far beyond anterodorsal angle; antenna 1, peduncle article 1, dorsomedial margin with 24 stout setae; uropod 2, inner ramus longer than outer ramus..................................... 19</keyLead>
</paragraph>
</keyStep>
<keyStep id="C02CE5CDFF976D0DFF155A96FA6CF8F8" pageId="31" pageNumber="550">
<paragraph id="7B67FD68FF976D0DFF155A96FA6DF8B5" blockId="31.[151,1437,153,2023]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155A96FA6DF8B5" pageId="31" pageNumber="550">
19. Gnathopod 2, dactylus with pleated apex; pereopods 37, propodus flexor margin lacking setae, dactylus with nail; uropod 1, inner ramus apex differentiated, with two distal cusps and minute setae.................................
<taxonomicName id="BCD886EBFF976D0DFA9C5B75FA6DF8B5" ID-CoL="X7JL" authorityName="Winfield &amp; Ortiz" authorityYear="2010" box="[1310,1437,1796,1817]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="550" phylum="Arthropoda" rank="species" species="escobarae">
<emphasis id="49AC217AFF976D0DFA9C5B75FA6DF8B5" box="[1310,1437,1796,1817]" italics="true" pageId="31" pageNumber="550">C. escobarae</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="7B67FD68FF976D0DFF155B53FA6CF8F8" blockId="31.[151,1437,153,2023]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155B53FA6CF8F8" pageId="31" pageNumber="550">- Gnathopod 2, dactylus lacking pleated apex; pereopods 37, propodus flexor margin with 14 setae, dactylus lacking nail; uropod 1, inner ramus lanceolate, simple................................................................. 20</keyLead>
</paragraph>
</keyStep>
<keyStep id="C02CE5CDFF976D0DFF155B2DFA6CF84B" pageId="31" pageNumber="550">
<paragraph id="7B67FD68FF976D0DFF155B2DFA6CF800" blockId="31.[151,1437,153,2023]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155B2DFA6CF800" pageId="31" pageNumber="550">
20. Interantennal plate, anterior margin concave; antenna 2, peduncle article 3, with small distomedial process; pleopods 13, outer ramus 4-articulate, inner ramus 3-articulate; uropod 1, inner ramus longer than outer ramus; telson, lateral margins smooth...............................................................................
<taxonomicName id="BCD886EBFF976D0DFB015BE6FABAF800" ID-CoL="7ZK57" authority="Silvany &amp; Senna, 2019" authorityName="Silvany &amp; Senna" authorityYear="2019" box="[1155,1354,1943,1964]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="550" phylum="Arthropoda" rank="species" species="tubulosa" status="sp. nov.">
<emphasis id="49AC217AFF976D0DFB015BE6FABAF800" box="[1155,1354,1943,1964]" italics="true" pageId="31" pageNumber="550">Colomastix tubulosa</emphasis>
</taxonomicName>
<taxonomicNameLabel id="529F9C01FF976D0DFAD25BE6FA6CF800" box="[1360,1436,1943,1964]" pageId="31" pageNumber="550" rank="species">
<emphasis id="49AC217AFF976D0DFAD25BE6FA6CF800" bold="true" box="[1360,1436,1943,1964]" pageId="31" pageNumber="550">sp. nov.</emphasis>
</taxonomicNameLabel>
</keyLead>
</paragraph>
<paragraph id="7B67FD68FF976D0DFF155BC4FA6CF84B" blockId="31.[151,1437,153,2023]" pageId="31" pageNumber="550">
<keyLead id="C0295E5DFF976D0DFF155BC4FA6CF84B" pageId="31" pageNumber="550">
- Interantennal plate, anterior margin straight; antenna 2, peduncle article 3, lacking small distomedial process; pleopods 13, rami 4-articulate; uropod 1, rami subequal in length; telson, lateral margin castellated......................
<taxonomicName id="BCD886EBFF976D0DFAA25BA3FA6CF84B" ID-CoL="7ZK56" authorityName="Silvany, Alves &amp; Senna" authorityYear="2019" box="[1312,1436,2002,2023]" class="Malacostraca" family="Colomastigidae" genus="Colomastix" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="550" phylum="Arthropoda" rank="species" species="trispinosa">
<emphasis id="49AC217AFF976D0DFAA25BA3FA6CF84B" box="[1312,1436,2002,2023]" italics="true" pageId="31" pageNumber="550">C. trispinosa</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
</key>
</subSubSection>
</treatment>
</document>