treatments-xml/data/03/CA/87/03CA87AD1614FF8AFF76FDE6397E9BF9.xml

<document id="C68B4B09A065063795E2E78FD428FBFC" ID-CLB-Dataset="6317" ID-DOI="10.11646/zootaxa.4970.2.2" ID-GBIF-Dataset="1f4cc518-5213-43d8-ba98-ee53e5271d9b" ID-ISSN="1175-5326" ID-Zenodo-Dep="4761718" ID-ZooBank="63CAF4F6-3FFC-428F-8AC8-5122D3A08358" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1620986733032" checkinUser="plazi" docAuthor="Talhaferro, Jordan Tuparai, Bueno, Alessandra Angélica De Pádua, Pires, Mateus Marques, Stenert, Cristina, Maltchik, Leonardo &amp; Kotzian, Carla Bender" docDate="2021" docId="03CA87AD1614FF8AFF76FDE6397E9BF9" docLanguage="en" docName="zootaxa.4970.2.2.pdf" docOrigin="Zootaxa 4970 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Hyalella sambaqui Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian 2021, n. sp." docType="treatment" docVersion="7" lastPageNumber="288" masterDocId="FFF3FFD51602FF95FFE1FFBC3824985C" masterDocTitle="Three new species of Hyalella (Crustacea: Amphipoda: Hyalellidae) from the Southern Brazilian Coastal Plain" masterLastPageNumber="292" masterPageNumber="257" pageNumber="279" updateTime="1698939859049" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="A5A3CCCEBAB9BD02628D5A6252ED8D1B">Three new species of Hyalella (Crustacea: Amphipoda: Hyalellidae) from the Southern Brazilian Coastal Plain</mods:title>
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<mods:namePart id="06B5DE0BD577674E2B6C2C6EC8D38B27">Talhaferro, Jordan Tuparai</mods:namePart>
<mods:affiliation id="4480FF84B75F974682F1867326439DA8">Federal University of Santa Maria, Postgraduate Program in Animal Biodiversity, University Campus, Santa Maria, 97105 - 900, Rio Grande do Sul, Brazil.</mods:affiliation>
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<mods:namePart id="69762BF3236703D3159ECDC67D1713C1">Bueno, Alessandra Angélica De Pádua</mods:namePart>
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<mods:namePart id="5BB24CB4089C4FFB306D5000670E49F8">Pires, Mateus Marques</mods:namePart>
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<mods:namePart id="3F22E86B355381A60902ECE63F1FEBDA">Stenert, Cristina</mods:namePart>
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<mods:affiliation id="D2418C9ACF95DB129A19F756B5D94D29">Federal University of Rio Grande, Graduate Program in Biology of Continental Aquatic Environments, Institute of Biological Sciences, University Campus, Rio Grande, 96203 - 900, Rio Grande do Sul, Brazil. &amp; cstenert @ unisinos. br; https: // orcid. org / 0000 - 0002 - 9095 - 2018</mods:affiliation>
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<mods:namePart id="1721B40304F1050133CDFF10D61F046F">Maltchik, Leonardo</mods:namePart>
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<mods:namePart id="0E1F10B699F4EABBA7A6D552A355AF34">Kotzian, Carla Bender</mods:namePart>
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<mods:affiliation id="9157F0ECFFC198EDB619B4EDF1D74952">Federal University of Santa Maria, Postgraduate Program in Animal Biodiversity, University Campus, Santa Maria, 97105 - 900, Rio Grande do Sul, Brazil. &amp; modri _ zralok @ hotmail. com; https: // orcid. org / 0000 - 0001 - 8446 - 4766</mods:affiliation>
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Talhaferro &amp; Bueno
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(
<figureCitation id="13582A3E1614FF83FF7EFDC3393B9AC5" box="[159,287,638,665]" captionStart-0="FIGURE 15" captionStart-1="FIGURE 16" captionStart-2="FIGURE 17" captionStart-3="FIGURE 18" captionStart-4="FIGURE 19" captionStart-5="FIGURE 20" captionStartId-0="26.[151,250,1905,1929]" captionStartId-1="27.[151,250,1943,1967]" captionStartId-2="28.[151,250,1943,1967]" captionStartId-3="29.[151,250,1943,1967]" captionStartId-4="30.[151,250,1943,1967]" captionStartId-5="31.[151,250,1942,1966]" captionTargetBox-0="[202,1385,181,1881]" captionTargetBox-1="[188,1400,181,1919]" captionTargetBox-2="[195,1392,181,1919]" captionTargetBox-3="[185,1403,181,1919]" captionTargetBox-4="[197,1390,181,1919]" captionTargetBox-5="[151,1436,957,1918]" captionTargetId-0="figure-21@26.[202,1385,181,1881]" captionTargetId-1="figure-17@27.[188,1400,181,1919]" captionTargetId-2="figure-21@28.[195,1392,181,1919]" captionTargetId-3="figure-17@29.[185,1403,181,1919]" captionTargetId-4="figure-21@30.[197,1390,181,1919]" captionTargetId-5="figure-415@31.[151,1436,957,1918]" captionTargetPageId-0="26" captionTargetPageId-1="27" captionTargetPageId-2="28" captionTargetPageId-3="29" captionTargetPageId-4="30" captionTargetPageId-5="31" captionText-0="FIGURE 15. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Habitus (A); Antenna 1 (B); Antenna 2 (C); Left mandible (D); Right mandible (E); Upper lip (F); Lower lip (G); Maxilla 1 (H); Maxilla 2 (I); Maxilliped (J). Scale bars: 2.0 mm (A); 0.5 mm (B–C); 0.2 mm (D–I); 0.5 mm (J)." captionText-1="FIGURE 16. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Gnathopod 1 (A); Detail of the carpus, propodus and dactylus (B); Gnathopod 2 (C); Detail of the carpus, propodus and dactylus (D). Scale bars: 0.5 mm." captionText-2="FIGURE 17. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Peraeopod 3 (A); Peraeopod 4 (B); Peraeopod 5 (C); Peraeopod 6 (D); Peraeopod 7 (E). Scale bars: 0.5 mm." captionText-3="FIGURE 18. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Pleopods (A); Uropod 1 (B); Uropod 2 (C); Uropod 3 (D); Telson (E). Scale bars: 0.5 mm (A); 0.3 mm (B–C); 0.2 mm (D); 0.1 mm (E)." captionText-4="FIGURE 19. Hyalella sambaqui n. sp., municipality of Passo de Torres Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype female, 4.3 mm.Antenna 1 (A); Antenna 2 (B); Gnathopod 1 (C); Detail of the carpus, propodus and dactylus (D); Gnathopod 2 (E); Detail of the carpus, propodus and dactylus (F). Scale bars: 0.5 mm." captionText-5="FIGURE 20. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male. Uropod 3 (A); Telson (B). Scale bars: 0.5 mm." figureDoi-0="http://doi.org/10.5281/zenodo.4761761" figureDoi-1="http://doi.org/10.5281/zenodo.4761763" figureDoi-2="http://doi.org/10.5281/zenodo.4761765" figureDoi-3="http://doi.org/10.5281/zenodo.4761767" figureDoi-4="http://doi.org/10.5281/zenodo.4761769" figureDoi-5="http://doi.org/10.5281/zenodo.4761771" httpUri-0="https://zenodo.org/record/4761761/files/figure.png" httpUri-1="https://zenodo.org/record/4761763/files/figure.png" httpUri-2="https://zenodo.org/record/4761765/files/figure.png" httpUri-3="https://zenodo.org/record/4761767/files/figure.png" httpUri-4="https://zenodo.org/record/4761769/files/figure.png" httpUri-5="https://zenodo.org/record/4761771/files/figure.png" pageId="22" pageNumber="279">Figs 15–20</figureCitation>
)
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<emphasis id="B917EAA91614FF83FF76FD7B39139ABC" bold="true" box="[151,311,710,737]" pageId="22" pageNumber="279">Type locality.</emphasis>
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Passo 
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municipality, 
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, 
<collectingCountry id="F374762B1614FF83FC62FD7B3BEE9ABD" box="[899,970,711,737]" name="Brazil" pageId="22" pageNumber="279">Brazil</collectingCountry>
, sampling site P4 (
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, 
<geoCoordinate id="EE57507C1614FF83FAADFD7B38C19B59" pageId="22" pageNumber="279">49º 72’ 39” W</geoCoordinate>
)
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.
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<emphasis id="B917EAA91614FF83FF26FCB339AF9B74" bold="true" box="[199,395,782,809]" pageId="22" pageNumber="279">Type specimens.</emphasis>
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<typeStatus id="54D888191614FF83FE75FCB339DF9B75" box="[404,507,783,809]" pageId="22" pageNumber="279" type="holotype">Holotype</typeStatus>
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: male, body length = 
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, head length = 
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(
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Passo 
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municipality (29º 26’ 75.29” S, 49º 74’ 23.31” W), 
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<collectingDate id="EF99E9931614FF83FCFBFC8F3B919B11" box="[794,949,818,845]" pageId="22" pageNumber="279" value="2015-10">October 2015</collectingDate>
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; 
<collectorName id="2696536D1614FF83FC21FC8F3C609B11" box="[960,1092,819,845]" pageId="22" pageNumber="279">Pires, M. M</collectorName>
&amp; cols
</materialsCitation>
. 
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: female, body length = 5.0 mm, head length = 
<quantity id="4C9B9B5E1614FF83FE1FFCEB3A709B2D" box="[510,596,855,881]" metricMagnitude="-4" metricUnit="m" metricValue="6.0" pageId="22" pageNumber="279" unit="mm" value="0.6">0.6 mm</quantity>
(
<specimenCode id="DBC59EC01614FF83FD83FCEB3B359B2D" box="[610,785,855,881]" collectionCode="MZUSP" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="22" pageNumber="279">MZUSP 41793</specimenCode>
), same locality as holotype
</materialsCitation>
.
</paragraph>
<paragraph id="8BDC36BB1614FF83FF76FCC73C379B82" blockId="22.[151,1437,710,2033]" pageId="22" pageNumber="279">
<materialsCitation id="3B0B3CE61614FF83FF76FCC73C2B9B82" ID-GBIF-Occurrence="3125623310" collectionCode="MZUSP" pageId="22" pageNumber="279" specimenCode="MZUSP 41794, 10" specimenCount="541" specimenCount-female="216" specimenCount-juvenile="178" specimenCount-male="147" typeStatus="paratype">
<emphasis id="B917EAA91614FF83FF76FCC7392D9BC8" box="[151,265,891,916]" italics="true" pageId="22" pageNumber="279">
<typeStatus id="54D888191614FF83FF76FCC7392D9BC8" box="[151,265,891,916]" pageId="22" pageNumber="279" type="paratype">Paratypes</typeStatus>
</emphasis>
: 
<specimenCode id="DBC59EC01614FF83FEF8FCC739E39BC9" box="[281,455,891,917]" collectionCode="MZUSP" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="22" pageNumber="279">MZUSP 41794</specimenCode>
, 
<specimenCode id="DBC59EC01614FF83FE35FCC739D49BC9" box="[468,496,891,917]" collectionCode="MZUSP" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="22" pageNumber="279">10</specimenCode>
whole specimens (
<specimenCount id="9D65FD321614FF83FD2DFCC63B009BC9" box="[716,804,890,917]" pageId="22" pageNumber="279" type="male">5 males</specimenCount>
and 
<specimenCount id="9D65FD321614FF83FCBEFCC63BF59BCA" box="[863,977,890,918]" pageId="22" pageNumber="279" type="female">5 females</specimenCount>
); CCUFLA 442, 10 whole specimens (
<specimenCount id="9D65FD321614FF83FA6FFCC638E99BE5" pageId="22" pageNumber="279" type="male">5 male</specimenCount>
and 
<specimenCount id="9D65FD321614FF83FEE4FC22394C9BE6" box="[261,360,926,954]" pageId="22" pageNumber="279" type="female">5 female</specimenCount>
) and 
<specimenCount id="9D65FD321614FF83FE46FC2339D99BE5" box="[423,509,927,953]" pageId="22" pageNumber="279" type="male">4 males</specimenCount>
and 
<specimenCount id="9D65FD321614FF83FDD4FC233AB29BE5" box="[565,662,927,953]" pageId="22" pageNumber="279" type="female">1 female</specimenCount>
on slides; CRU0016, 514 whole specimens (
<specimenCount id="9D65FD321614FF83FB73FC233D2C9BE5" box="[1170,1288,927,953]" pageId="22" pageNumber="279" type="male">131 males</specimenCount>
, 
<specimenCount id="9D65FD321614FF83FAF5FC223DB89BE5" box="[1300,1436,926,953]" pageId="22" pageNumber="279" type="female">205 females</specimenCount>
and 
<specimenCount id="9D65FD321614FF83FF26FC7F397B9B82" box="[199,351,963,990]" pageId="22" pageNumber="279" type="juvenile">178 juveniles</specimenCount>
) and 
<specimenCount id="9D65FD321614FF83FE7DFC7F39D69B81" box="[412,498,963,989]" pageId="22" pageNumber="279" type="male">2 males</specimenCount>
on slides (same collection data of the 
<typeStatus id="54D888191614FF83FC41FC7F3C239B82" box="[928,1031,963,990]" pageId="22" pageNumber="279" type="holotype">holotype</typeStatus>
)
</materialsCitation>
.
</paragraph>
<paragraph id="8BDC36BB1614FF83FF26FC5A3B3F9C85" blockId="22.[151,1437,710,2033]" pageId="22" pageNumber="279">
<emphasis id="B917EAA91614FF83FF26FC5A39EB9C5C" bold="true" box="[199,463,998,1024]" pageId="22" pageNumber="279">Additional specimens.</emphasis>
<materialsCitation id="3B0B3CE61614FF83FE37FC5B3B3C9C85" ID-GBIF-Occurrence="3125623305" collectingDate="2015-10" country="Brazil" county="Jaguaruna" latitude="-29.217384" location="Balneario da Gaivota" longLatPrecision="1" longitude="-49.715878" municipality="Balneario Arroio do Silva" pageId="22" pageNumber="279" specimenCount="481" specimenCount-female="129" specimenCount-juvenile="271" specimenCount-male="81" stateProvince="Santa Catarina">
CRU0017, 34 whole specimens (
<specimenCount id="9D65FD321614FF83FCABFC5B3B859C5D" box="[842,929,999,1025]" pageId="22" pageNumber="279" type="male">6 males</specimenCount>
and 
<specimenCount id="9D65FD321614FF83FC38FC5B3C7D9C5E" box="[985,1113,999,1026]" pageId="22" pageNumber="279" type="female">28 females</specimenCount>
), and 
<specimenCount id="9D65FD321614FF83FB7AFC5A3CD69C5D" box="[1179,1266,998,1025]" pageId="22" pageNumber="279" type="male">5 males</specimenCount>
on slides; 
<location id="8EBC60601614FF83FA8DFC5B397A9C79" LSID="urn:lsid:plazi:treatment:03CA87AD1614FF8AFF76FDE6397E9BF9:8EBC60601614FF83FA8DFC5B397A9C79" country="Brazil" county="Jaguaruna" latitude="-29.217384" longLatPrecision="1" longitude="-49.715878" municipality="Balneario Arroio do Silva" name="Balneario da Gaivota" pageId="22" pageNumber="279" stateProvince="Santa Catarina">
Balneário 
<collectorName id="2696536D1614FF83FF05FBB7397A9C79" box="[228,350,1035,1061]" pageId="22" pageNumber="279">da Gaivota</collectorName>
</location>
municipality, 
<collectingRegion id="49A7F8591614FF83FE1FFBB73AFB9C79" box="[510,735,1035,1061]" country="Brazil" name="Santa Catarina" pageId="22" pageNumber="279">Santa Catarina state</collectingRegion>
, 
<collectingCountry id="F374762B1614FF83FD0BFBB73B159C79" box="[746,817,1035,1061]" name="Brazil" pageId="22" pageNumber="279">Brazil</collectingCountry>
, sampling site P5 (
<geoCoordinate id="EE57507C1614FF83FBE5FBB73C9A9C79" box="[1028,1214,1034,1061]" degrees="29" direction="south" minutes="13" orientation="latitude" pageId="22" pageNumber="279" precision="1" seconds="02.58" value="-29.217384">29º 13’ 02.58” S</geoCoordinate>
, 49º 62’ 02.09” W), 
<date id="FFDD107B1614FF83FF76FB9339179C15" box="[151,307,1070,1097]" pageId="22" pageNumber="279" value="2015-10">
<collectingDate id="EF99E9931614FF83FF76FB9339179C15" box="[151,307,1070,1097]" pageId="22" pageNumber="279" value="2015-10">October 2015</collectingDate>
</date>
; 
<collectorName id="2696536D1614FF83FEDEFB9339E19C15" box="[319,453,1071,1097]" pageId="22" pageNumber="279">Pires, M. M</collectorName>
&amp; cols. CRU0018, 429 whole specimens (
<specimenCount id="9D65FD321614FF83FC42FB933C2F9C15" box="[931,1035,1071,1097]" pageId="22" pageNumber="279" type="male">64 males</specimenCount>
, 
<specimenCount id="9D65FD321614FF83FBF7FB923CB49C15" box="[1046,1168,1070,1097]" pageId="22" pageNumber="279" type="female">95 females</specimenCount>
and 
<specimenCount id="9D65FD321614FF83FB27FB933D459C16" box="[1222,1377,1071,1098]" pageId="22" pageNumber="279" type="juvenile">270 juveniles</specimenCount>
), and 
<specimenCount id="9D65FD321614FF83FF76FBEE38CB9C31" box="[151,239,1106,1133]" pageId="22" pageNumber="279" type="male">5 males</specimenCount>
on slides; 
<collectingMunicipality id="6BB8ACC11614FF83FE8CFBEF3AB79C31" box="[365,659,1107,1133]" pageId="22" pageNumber="279">Balneário Arroio do Silva</collectingMunicipality>
municipality, 
<collectingRegion id="49A7F8591614FF83FCD6FBEF3C389C31" box="[823,1052,1107,1133]" country="Brazil" name="Santa Catarina" pageId="22" pageNumber="279">Santa Catarina state</collectingRegion>
, 
<collectingCountry id="F374762B1614FF83FBC8FBEF3C549C31" box="[1065,1136,1107,1133]" name="Brazil" pageId="22" pageNumber="279">Brazil</collectingCountry>
, sampling site P6 (28º 98’ 22.17” S, 
<geoCoordinate id="EE57507C1614FF83FEE8FBCB39F69CCD" box="[265,466,1142,1169]" degrees="49" direction="west" minutes="42" orientation="longitude" pageId="22" pageNumber="279" precision="1" seconds="57.15" value="-49.715878">49º 42’ 57.15” W</geoCoordinate>
), 
<date id="FFDD107B1614FF83FE07FBCB3AA79CCD" box="[486,643,1142,1169]" pageId="22" pageNumber="279" value="2015-10">
<collectingDate id="EF99E9931614FF83FE07FBCB3AA79CCD" box="[486,643,1142,1169]" pageId="22" pageNumber="279" value="2015-10">October 2015</collectingDate>
</date>
; 
<collectorName id="2696536D1614FF83FD71FBCB3B3B9CCD" box="[656,799,1143,1169]" pageId="22" pageNumber="279">Pires, M. M.</collectorName>
&amp; cols. CRU0019, 7 whole specimens (
<specimenCount id="9D65FD321614FF83FB09FBCB3D729CCD" box="[1256,1366,1143,1169]" pageId="22" pageNumber="279" type="female">6 females</specimenCount>
and 
<specimenCount id="9D65FD321614FF83FA6FFBCB38D29CEA" pageId="22" pageNumber="279" type="juvenile">1 juvenile</specimenCount>
), and 
<specimenCount id="9D65FD321614FF83FED7FB2739A49CE9" box="[310,384,1179,1205]" pageId="22" pageNumber="279" type="male">1 male</specimenCount>
on slide; 
<collectingCounty id="62BD4E371614FF83FE0AFB273A799CE9" box="[491,605,1179,1205]" pageId="22" pageNumber="279">Jaguaruna</collectingCounty>
municipality, 
<collectingRegion id="49A7F8591614FF83FD1DFB273BFF9CE9" box="[764,987,1179,1205]" country="Brazil" name="Santa Catarina" pageId="22" pageNumber="279">Santa Catarina state</collectingRegion>
, 
<collectingCountry id="F374762B1614FF83FC04FB273C089CE9" box="[997,1068,1179,1205]" name="Brazil" pageId="22" pageNumber="279">Brazil</collectingCountry>
, sampling site P7 (28º 62’ 78.68” S, 48º 90’ 82.36” W), 
<date id="FFDD107B1614FF83FE6FFB033A0F9C85" box="[398,555,1214,1241]" pageId="22" pageNumber="279" value="2015-10">
<collectingDate id="EF99E9931614FF83FE6FFB033A0F9C85" box="[398,555,1214,1241]" pageId="22" pageNumber="279" value="2015-10">October 2015</collectingDate>
</date>
; 
<collectorName id="2696536D1614FF83FDD7FB033AE79C85" box="[566,707,1215,1241]" pageId="22" pageNumber="279">Pires, M. M.</collectorName>
&amp; cols
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C37965301614FF83FF26FB5E397C9DD1" pageId="22" pageNumber="279" type="diagnosis">
<paragraph id="8BDC36BB1614FF83FF26FB5E397C9DD1" blockId="22.[151,1437,710,2033]" pageId="22" pageNumber="279">
<emphasis id="B917EAA91614FF83FF26FB5E39669CA0" bold="true" box="[199,322,1250,1276]" pageId="22" pageNumber="279">Diagnosis.</emphasis>
Body surface smooth. Eyes ovoid and pigmented. Antenna 1 shorter than antenna 2. Inner plate of maxilla 1 slender with 1/3 the width of the outer plate, with two unequal papposerrate apical setae. The inner plate of maxilla 2 with one long and one shorter papposerrate setae of inner margin. Propodus of gnathopod 1 hammershaped, inner face with six serrate setae. Uropod 1 with curved setae on inner side of inner ramus. Sternal gills on pereonites 2 to 7.
</paragraph>
</subSubSection>
<subSubSection id="C37965301614FF8DFF26FA2A39A09E55" lastPageId="24" lastPageNumber="281" pageId="22" pageNumber="279" type="description">
<paragraph id="8BDC36BB1614FF83FF26FA2A3CE69D89" blockId="22.[151,1437,710,2033]" pageId="22" pageNumber="279">
<emphasis id="B917EAA91614FF83FF26FA2A399C9DED" bold="true" box="[199,440,1430,1457]" pageId="22" pageNumber="279">Description of male:</emphasis>
Mean of body length: 5.31 ± 
<quantity id="4C9B9B5E1614FF83FD1EFA2B3B469DED" box="[767,866,1431,1457]" metricMagnitude="-4" metricUnit="m" metricValue="6.1" pageId="22" pageNumber="279" unit="mm" value="0.61">0.61 mm</quantity>
(n=6), mean of head length: 0.68 ± 
<quantity id="4C9B9B5E1614FF83FB0FFA2B3D759DED" box="[1262,1361,1431,1457]" metricMagnitude="-5" metricUnit="m" metricValue="6.0" pageId="22" pageNumber="279" unit="mm" value="0.06">0.06 mm</quantity>
(n=6). Body surface smooth. Eyes ovoid and pigmented. Epimeral plate slightly acuminate (
<figureCitation id="13582A3E1614FF83FBB2FA073C919D89" box="[1107,1205,1466,1493]" captionStart="FIGURE 15" captionStartId="26.[151,250,1905,1929]" captionTargetBox="[202,1385,181,1881]" captionTargetId="figure-21@26.[202,1385,181,1881]" captionTargetPageId="26" captionText="FIGURE 15. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Habitus (A); Antenna 1 (B); Antenna 2 (C); Left mandible (D); Right mandible (E); Upper lip (F); Lower lip (G); Maxilla 1 (H); Maxilla 2 (I); Maxilliped (J). Scale bars: 2.0 mm (A); 0.5 mm (B–C); 0.2 mm (D–I); 0.5 mm (J)." figureDoi="http://doi.org/10.5281/zenodo.4761761" httpUri="https://zenodo.org/record/4761761/files/figure.png" pageId="22" pageNumber="279">Fig 15A</figureCitation>
).
</paragraph>
<paragraph id="8BDC36BB1614FF83FF26FA633B299E39" blockId="22.[151,1437,710,2033]" pageId="22" pageNumber="279">
Antenna 1 (
<figureCitation id="13582A3E1614FF83FEA8FA6339889DA5" box="[329,428,1502,1529]" captionStart="FIGURE 15" captionStartId="26.[151,250,1905,1929]" captionTargetBox="[202,1385,181,1881]" captionTargetId="figure-21@26.[202,1385,181,1881]" captionTargetPageId="26" captionText="FIGURE 15. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Habitus (A); Antenna 1 (B); Antenna 2 (C); Left mandible (D); Right mandible (E); Upper lip (F); Lower lip (G); Maxilla 1 (H); Maxilla 2 (I); Maxilliped (J). Scale bars: 2.0 mm (A); 0.5 mm (B–C); 0.2 mm (D–I); 0.5 mm (J)." figureDoi="http://doi.org/10.5281/zenodo.4761761" httpUri="https://zenodo.org/record/4761761/files/figure.png" pageId="22" pageNumber="279">Fig. 15B</figureCitation>
) shorter than antenna 2 (1/4 times); shorter than half body length; peduncle slightly longer than head length, all segments of peduncle with group of simple and cuspidate setae; first article longer than second; third article slightly shorter than second; flagellum with 9 articles, longer than peduncle, with group of simple setae occurring on all articles. Aesthetascs were not observed.
</paragraph>
<paragraph id="8BDC36BB1614FF83FF26F9D33CBB9EF1" blockId="22.[151,1437,710,2033]" pageId="22" pageNumber="279">
Antenna 2 (
<figureCitation id="13582A3E1614FF83FEA8F9D339899ED5" box="[329,429,1646,1673]" captionStart="FIGURE 15" captionStartId="26.[151,250,1905,1929]" captionTargetBox="[202,1385,181,1881]" captionTargetId="figure-21@26.[202,1385,181,1881]" captionTargetPageId="26" captionText="FIGURE 15. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Habitus (A); Antenna 1 (B); Antenna 2 (C); Left mandible (D); Right mandible (E); Upper lip (F); Lower lip (G); Maxilla 1 (H); Maxilla 2 (I); Maxilliped (J). Scale bars: 2.0 mm (A); 0.5 mm (B–C); 0.2 mm (D–I); 0.5 mm (J)." figureDoi="http://doi.org/10.5281/zenodo.4761761" httpUri="https://zenodo.org/record/4761761/files/figure.png" pageId="22" pageNumber="279">Fig. 15C</figureCitation>
) reaching half the length of the body; peduncle slightly longer than head length; flagellum with 13 articles, longer than peduncle, with a group of simple setae occurring on all articles.
</paragraph>
<paragraph id="8BDC36BB1614FF83FF26F90B3D7B9F61" blockId="22.[151,1437,710,2033]" pageId="22" pageNumber="279">
Basic amphipodan mandible 
<typeStatus id="54D888191614FF83FDEAF90B3A1F9E8D" box="[523,571,1719,1745]" pageId="22" pageNumber="279">type</typeStatus>
(in sensu of 
<bibRefCitation id="EFF24B4A1614FF83FD28F90B3B469E8D" author="Watling, L." box="[713,866,1719,1745]" pageId="22" pageNumber="279" pagination="837 - 849" refId="ref18603" refString="Watling, L. (1993) Functional morphology of the amphipod mandible. Journal of Natural History, 27 (4), 837 - 849. https: // doi. org / 10.1080 / 00222939300770511" type="journal article" year="1993">Watling 1993</bibRefCitation>
), with palp absent. Right mandible (
<figureCitation id="13582A3E1614FF83FB14F90B3D7E9E8D" box="[1269,1370,1718,1745]" captionStart="FIGURE 15" captionStartId="26.[151,250,1905,1929]" captionTargetBox="[202,1385,181,1881]" captionTargetId="figure-21@26.[202,1385,181,1881]" captionTargetPageId="26" captionText="FIGURE 15. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Habitus (A); Antenna 1 (B); Antenna 2 (C); Left mandible (D); Right mandible (E); Upper lip (F); Lower lip (G); Maxilla 1 (H); Maxilla 2 (I); Maxilliped (J). Scale bars: 2.0 mm (A); 0.5 mm (B–C); 0.2 mm (D–I); 0.5 mm (J)." figureDoi="http://doi.org/10.5281/zenodo.4761761" httpUri="https://zenodo.org/record/4761761/files/figure.png" pageId="22" pageNumber="279">Fig. 15D</figureCitation>
) incisor process with four denticles, and two pappose setae. Left mandible (
<figureCitation id="13582A3E1614FF83FC50F9673C379EA9" box="[945,1043,1754,1781]" captionStart="FIGURE 15" captionStartId="26.[151,250,1905,1929]" captionTargetBox="[202,1385,181,1881]" captionTargetId="figure-21@26.[202,1385,181,1881]" captionTargetPageId="26" captionText="FIGURE 15. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Habitus (A); Antenna 1 (B); Antenna 2 (C); Left mandible (D); Right mandible (E); Upper lip (F); Lower lip (G); Maxilla 1 (H); Maxilla 2 (I); Maxilliped (J). Scale bars: 2.0 mm (A); 0.5 mm (B–C); 0.2 mm (D–I); 0.5 mm (J)." figureDoi="http://doi.org/10.5281/zenodo.4761761" httpUri="https://zenodo.org/record/4761761/files/figure.png" pageId="22" pageNumber="279">Fig. 15E</figureCitation>
) incisor process with six denticles; lacinia mobilis with seven denticles (four long, three short), and three pappose setae under lacinia mobilis. In both mandibles, the molar process is large, cylindrical and triturative, with one long pappose seta on inner margin.
</paragraph>
<paragraph id="8BDC36BB1614FF83FF26F8FB3D669F3D" blockId="22.[151,1437,710,2033]" box="[199,1346,1862,1889]" pageId="22" pageNumber="279">
Upper lip (
<figureCitation id="13582A3E1614FF83FEA0F8FB39859F3D" box="[321,417,1862,1889]" captionStart="FIGURE 15" captionStartId="26.[151,250,1905,1929]" captionTargetBox="[202,1385,181,1881]" captionTargetId="figure-21@26.[202,1385,181,1881]" captionTargetPageId="26" captionText="FIGURE 15. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Habitus (A); Antenna 1 (B); Antenna 2 (C); Left mandible (D); Right mandible (E); Upper lip (F); Lower lip (G); Maxilla 1 (H); Maxilla 2 (I); Maxilliped (J). Scale bars: 2.0 mm (A); 0.5 mm (B–C); 0.2 mm (D–I); 0.5 mm (J)." figureDoi="http://doi.org/10.5281/zenodo.4761761" httpUri="https://zenodo.org/record/4761761/files/figure.png" pageId="22" pageNumber="279">Fig. 15F</figureCitation>
) margins rounded, distal borders covered by setules, and few smaller simple setae.
</paragraph>
<paragraph id="8BDC36BB1614FF83FF26F8D73CD49FD9" blockId="22.[151,1437,710,2033]" box="[199,1264,1898,1925]" pageId="22" pageNumber="279">
Lower lip (
<figureCitation id="13582A3E1614FF83FEA5F8D7398E9FD9" box="[324,426,1898,1925]" captionStart="FIGURE 15" captionStartId="26.[151,250,1905,1929]" captionTargetBox="[202,1385,181,1881]" captionTargetId="figure-21@26.[202,1385,181,1881]" captionTargetPageId="26" captionText="FIGURE 15. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Habitus (A); Antenna 1 (B); Antenna 2 (C); Left mandible (D); Right mandible (E); Upper lip (F); Lower lip (G); Maxilla 1 (H); Maxilla 2 (I); Maxilliped (J). Scale bars: 2.0 mm (A); 0.5 mm (B–C); 0.2 mm (D–I); 0.5 mm (J)." figureDoi="http://doi.org/10.5281/zenodo.4761761" httpUri="https://zenodo.org/record/4761761/files/figure.png" pageId="22" pageNumber="279">Fig. 15G</figureCitation>
) outer lobes rounded, with many setules on ventral face and inner borders.
</paragraph>
<paragraph id="8BDC36BB1614FF83FF26F8333B839FAD" blockId="22.[151,1437,710,2033]" pageId="22" pageNumber="279">
Maxilla 1 (
<figureCitation id="13582A3E1614FF83FEA5F833398D9FF5" box="[324,425,1934,1961]" captionStart="FIGURE 15" captionStartId="26.[151,250,1905,1929]" captionTargetBox="[202,1385,181,1881]" captionTargetId="figure-21@26.[202,1385,181,1881]" captionTargetPageId="26" captionText="FIGURE 15. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Habitus (A); Antenna 1 (B); Antenna 2 (C); Left mandible (D); Right mandible (E); Upper lip (F); Lower lip (G); Maxilla 1 (H); Maxilla 2 (I); Maxilliped (J). Scale bars: 2.0 mm (A); 0.5 mm (B–C); 0.2 mm (D–I); 0.5 mm (J)." figureDoi="http://doi.org/10.5281/zenodo.4761761" httpUri="https://zenodo.org/record/4761761/files/figure.png" pageId="22" pageNumber="279">Fig. 15H</figureCitation>
) palp uniarticulate, not reaching half of the distance between the base of palp and base of setae on outer plate; inner plate slender, 1/3 shorter than the outer plate, with two apical pappose setae, with many setules along on the margins; outer plate with nine distal serrate setae.
</paragraph>
<paragraph id="8BDC36BB1615FF82FF26FF2B3A1698A5" blockId="23.[151,1437,150,2031]" pageId="23" pageNumber="280">
Maxilla 2 (
<figureCitation id="13582A3E1615FF82FEA4FF2B398598ED" box="[325,417,150,177]" captionStart="FIGURE 15" captionStartId="26.[151,250,1905,1929]" captionTargetBox="[202,1385,181,1881]" captionTargetId="figure-21@26.[202,1385,181,1881]" captionTargetPageId="26" captionText="FIGURE 15. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Habitus (A); Antenna 1 (B); Antenna 2 (C); Left mandible (D); Right mandible (E); Upper lip (F); Lower lip (G); Maxilla 1 (H); Maxilla 2 (I); Maxilliped (J). Scale bars: 2.0 mm (A); 0.5 mm (B–C); 0.2 mm (D–I); 0.5 mm (J)." figureDoi="http://doi.org/10.5281/zenodo.4761761" httpUri="https://zenodo.org/record/4761761/files/figure.png" pageId="23" pageNumber="280">Fig. 15I</figureCitation>
) inner plate subequal in length to outer plate; inner plate with one robust and one shorter papposerrate setae proximally on inner margin, apex with many serrate and simple setae; outer plate with many serrate and simple setae on the apex.
</paragraph>
<paragraph id="8BDC36BB1615FF82FF26FEBF3C5399A9" blockId="23.[151,1437,150,2031]" pageId="23" pageNumber="280">
Maxilliped (
<figureCitation id="13582A3E1615FF82FEB0FEBF39889941" box="[337,428,258,285]" captionStart="FIGURE 15" captionStartId="26.[151,250,1905,1929]" captionTargetBox="[202,1385,181,1881]" captionTargetId="figure-21@26.[202,1385,181,1881]" captionTargetPageId="26" captionText="FIGURE 15. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Habitus (A); Antenna 1 (B); Antenna 2 (C); Left mandible (D); Right mandible (E); Upper lip (F); Lower lip (G); Maxilla 1 (H); Maxilla 2 (I); Maxilliped (J). Scale bars: 2.0 mm (A); 0.5 mm (B–C); 0.2 mm (D–I); 0.5 mm (J)." figureDoi="http://doi.org/10.5281/zenodo.4761761" httpUri="https://zenodo.org/record/4761761/files/figure.png" pageId="23" pageNumber="280">Fig. 15J</figureCitation>
) inner plate longer than wide, slightly shorter than outer plate, apically rounded with three cuspidate setae in cone-shaped, inner borders with five long pappose setae and apex of inner plate with many small pappose setae, surface dorsal with several setules; outer plate longer than wide, apically rounded, apex and inner border with several simple setae; palp with four articles, article 1 with 1 or 2 simple setae, inner margin with 1 to 3 simple setae; outer margin of article 2 with two simple setae and inner borders with a several long and slender simple setae; inner margin of article 3 with several long simple setae and apex with some papposerrate setae; dactyl smooth, apex with one long simple setae, and another three short simple setae subapical.
</paragraph>
<paragraph id="8BDC36BB1615FF82FF26FE433A219B22" blockId="23.[151,1437,150,2031]" pageId="23" pageNumber="280">
Gnathopod 1 (
<figureCitation id="13582A3E1615FF82FE8AFE4339DD9A45" box="[363,505,511,537]" captionStart="FIGURE 16" captionStartId="27.[151,250,1943,1967]" captionTargetBox="[188,1400,181,1919]" captionTargetId="figure-17@27.[188,1400,181,1919]" captionTargetPageId="27" captionText="FIGURE 16. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Gnathopod 1 (A); Detail of the carpus, propodus and dactylus (B); Gnathopod 2 (C); Detail of the carpus, propodus and dactylus (D). Scale bars: 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4761763" httpUri="https://zenodo.org/record/4761763/files/figure.png" pageId="23" pageNumber="280">Figs 16A, B</figureCitation>
) subchelate; basis longer than wide, with two small setae on dorsal margin and a group of simple setae on disto-posterior border; ischium longer than wider with a group of simple setae on distoposterior border; merus with disto-posterior border rounded with simple setae; carpus longer than wide, posterior lobe convex, forming a shell-shaped structure with many serrate setae distributed along the margin, inner surface with three simple setae, border disto-anterior with four long serrate setae; propodus longer than wide, length about 1.2 times of maximum width, hammer-shaped, inner face with five serrate setae arranged in one row, anterior and posterior margin with one simple setae, comb-scales on disto-anterior and disto-posterior border, disto-anterior border with a group of long simple setae; outer face of propodus not observed; palm flat with length shorter than posterior margin of propodus (1.9 times) and several simple setae (some long, some short), distal margin with one cuspidate seta with accessory seta; dactyl claw-like, reaching palm angle, covered by comb-scales and with one simple setae in the outer margin.
</paragraph>
<paragraph id="8BDC36BB1615FF82FF26FC3B39A39C85" blockId="23.[151,1437,150,2031]" pageId="23" pageNumber="280">
Gnathopod 2 (
<figureCitation id="13582A3E1615FF82FE8BFC3B39DC9BFD" box="[362,504,903,929]" captionStart="FIGURE 16" captionStartId="27.[151,250,1943,1967]" captionTargetBox="[188,1400,181,1919]" captionTargetId="figure-17@27.[188,1400,181,1919]" captionTargetPageId="27" captionText="FIGURE 16. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Gnathopod 1 (A); Detail of the carpus, propodus and dactylus (B); Gnathopod 2 (C); Detail of the carpus, propodus and dactylus (D). Scale bars: 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4761763" httpUri="https://zenodo.org/record/4761763/files/figure.png" pageId="23" pageNumber="280">Figs 16C, D</figureCitation>
) subchelate; basis long with three simple setae on dorsal margin, distal margin of basis and ischium with a group of simple setae; merus slightly longer than wider, posterior border rounded, with simple setae; carpus with posterior lobe elongated, forming a shell-shaped structure with many serrate setae distributed along the margin, disto-anterior margin with two simple setae; propodus ovate, length about 1.3 times of maximum width, with comb-scales on disto-posterior margin, margin disto-anterior with a cluster of short simple setae, anterior margin with one simple seta, and posterior margin with two or three simple setae; palm transverse, longer than posterior margin of propodus (1.2 times), slightly convex with several strong cuspidate medium-length and short setae, and some simple setae, distal margin of the palm with one cuspidate setae with accessory seta; dactyl claw-like and smooth, outer margin with one short simple seta and inner surface with six tiny setae, length congruent with palm.
</paragraph>
<paragraph id="8BDC36BB1615FF82FF26FB5D3D499D3A" blockId="23.[151,1437,150,2031]" pageId="23" pageNumber="280">
Pereopods 3 and 4 (
<figureCitation id="13582A3E1615FF82FE47FB5D3A149CA0" box="[422,560,1249,1276]" captionStart="FIGURE 17" captionStartId="28.[151,250,1943,1967]" captionTargetBox="[195,1392,181,1919]" captionTargetId="figure-21@28.[195,1392,181,1919]" captionTargetPageId="28" captionText="FIGURE 17. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Peraeopod 3 (A); Peraeopod 4 (B); Peraeopod 5 (C); Peraeopod 6 (D); Peraeopod 7 (E). Scale bars: 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4761765" httpUri="https://zenodo.org/record/4761765/files/figure.png" pageId="23" pageNumber="280">Figs 17A, B</figureCitation>
) similar in size and shape; posterior margin of carpus and propodus with cuspidate setae with accessory seta and simple seta; posterior margin of merus and basis with simple setae; dactyl less than half the length of propodus, surface smooth with simple seta. Coxal plates longer than wide, pereopod 4 excavated posteriorly; both coxal plates with small simple setae on margin, outer surface covered with microtrichs.
</paragraph>
<paragraph id="8BDC36BB1615FF82FF26FACC3C019E3F" blockId="23.[151,1437,150,2031]" pageId="23" pageNumber="280">
Pereopods 5 to 7 (
<figureCitation id="13582A3E1615FF82FE6EFACC3A3E9DD6" box="[399,538,1392,1418]" captionStart="FIGURE 17" captionStartId="28.[151,250,1943,1967]" captionTargetBox="[195,1392,181,1919]" captionTargetId="figure-21@28.[195,1392,181,1919]" captionTargetPageId="28" captionText="FIGURE 17. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Peraeopod 3 (A); Peraeopod 4 (B); Peraeopod 5 (C); Peraeopod 6 (D); Peraeopod 7 (E). Scale bars: 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4761765" httpUri="https://zenodo.org/record/4761765/files/figure.png" pageId="23" pageNumber="280">Figs 17C–E</figureCitation>
): coxal plate of pereopod 5 wider than long with two lobes, anterior lobe slightly shorter than posterior; coxal plate of pereopod 6 wider than long with anterior lobe 1/3 of posterior lobe length; coxal plate of pereopod 7 wider than long with lobe unique; all coxal plates with small simple setae on margins and outer surface with covered by microtrichs. Pereopod 5 visibly shorter than pereopods 6 and 7, the latter two similar in length, posterior margin of basis of peraeopods 5 to 7 oval, less expanded in 6, borders finely serrate with simple setae; anterior margins of merus, carpus and propodus with groups of 2-5 cuspidate setae with one accessory seta on anterior margins; dactylus less than half the length of propodus, with simple seta.
</paragraph>
<paragraph id="8BDC36BB1615FF82FF26F9D03A5C9EF7" blockId="23.[151,1437,150,2031]" pageId="23" pageNumber="280">
Pleopods (
<figureCitation id="13582A3E1615FF82FEDEF9D039829EDA" box="[319,422,1644,1670]" captionStart="FIGURE 18" captionStartId="29.[151,250,1943,1967]" captionTargetBox="[185,1403,181,1919]" captionTargetId="figure-17@29.[185,1403,181,1919]" captionTargetPageId="29" captionText="FIGURE 18. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Pleopods (A); Uropod 1 (B); Uropod 2 (C); Uropod 3 (D); Telson (E). Scale bars: 0.5 mm (A); 0.3 mm (B–C); 0.2 mm (D); 0.1 mm (E)." figureDoi="http://doi.org/10.5281/zenodo.4761767" httpUri="https://zenodo.org/record/4761767/files/figure.png" pageId="23" pageNumber="280">Fig. 18A</figureCitation>
) all pleopods similar, peduncle shorter than ramus, biramous, ramus multi-annulated and both ramus with many long plumose setae.
</paragraph>
<paragraph id="8BDC36BB1615FF82FF26F9083B479F03" blockId="23.[151,1437,150,2031]" pageId="23" pageNumber="280">
Uropod 1 (
<figureCitation id="13582A3E1615FF82FEA2F90839839E92" box="[323,423,1716,1742]" captionStart="FIGURE 18" captionStartId="29.[151,250,1943,1967]" captionTargetBox="[185,1403,181,1919]" captionTargetId="figure-17@29.[185,1403,181,1919]" captionTargetPageId="29" captionText="FIGURE 18. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Pleopods (A); Uropod 1 (B); Uropod 2 (C); Uropod 3 (D); Telson (E). Scale bars: 0.5 mm (A); 0.3 mm (B–C); 0.2 mm (D); 0.1 mm (E)." figureDoi="http://doi.org/10.5281/zenodo.4761767" httpUri="https://zenodo.org/record/4761767/files/figure.png" pageId="23" pageNumber="280">Fig. 18B</figureCitation>
) peduncle slightly longer than ramus, peduncle with six cuspidate setae on dorsal surface with accessory setae; ramus subequal in length; inner ramus with two dorsal cuspidate setae with accessory seta, one long curved setae on inner side, four distal cuspidate setae with accessory setae (one long), and two cuspidate setae o the apex; outer ramus with three dorsal cuspidate setae with accessory setae, two subapical cuspidate setae with accessory seta, and two robust cuspidate setae on the apex.
</paragraph>
<paragraph id="8BDC36BB1615FF82FF26F8D43D2A9FB3" blockId="23.[151,1437,150,2031]" pageId="23" pageNumber="280">
Uropod 2 (
<figureCitation id="13582A3E1615FF82FEA4F8D4398F9FDE" box="[325,427,1896,1922]" captionStart="FIGURE 18" captionStartId="29.[151,250,1943,1967]" captionTargetBox="[185,1403,181,1919]" captionTargetId="figure-17@29.[185,1403,181,1919]" captionTargetPageId="29" captionText="FIGURE 18. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Pleopods (A); Uropod 1 (B); Uropod 2 (C); Uropod 3 (D); Telson (E). Scale bars: 0.5 mm (A); 0.3 mm (B–C); 0.2 mm (D); 0.1 mm (E)." figureDoi="http://doi.org/10.5281/zenodo.4761767" httpUri="https://zenodo.org/record/4761767/files/figure.png" pageId="23" pageNumber="280">Fig. 18C</figureCitation>
) shorter than uropod 1, peduncle slightly longer than wide with four cuspidate setae on dorsal with accessory setae; inner ramus with two dorsal cuspidate setae with accessory seta, three subapical cuspidate setae with accessory seta and two cuspidate setae o the apex; outer ramus with two dorsal cuspidate setae with accessory seta, two subapical cuspidate setae with accessory seta and two cuspidate setae on the apex.
</paragraph>
<paragraph id="8BDC36BB161AFF8DFF26FF2B3A5F9941" blockId="24.[151,1437,151,2013]" pageId="24" pageNumber="281">
Uropod 3 (
<figureCitation id="13582A3E161AFF8DFEA5FF2B398F98ED" box="[324,427,151,177]" captionStart="FIGURE 18" captionStartId="29.[151,250,1943,1967]" captionTargetBox="[185,1403,181,1919]" captionTargetId="figure-17@29.[185,1403,181,1919]" captionTargetPageId="29" captionText="FIGURE 18. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Pleopods (A); Uropod 1 (B); Uropod 2 (C); Uropod 3 (D); Telson (E). Scale bars: 0.5 mm (A); 0.3 mm (B–C); 0.2 mm (D); 0.1 mm (E)." figureDoi="http://doi.org/10.5281/zenodo.4761767" httpUri="https://zenodo.org/record/4761767/files/figure.png" pageId="24" pageNumber="281">Fig. 18D</figureCitation>
) shorter than peduncle of uropod 1, subequal in length in relation to peduncle of uropod 2; peduncle longer than wide and wider than ramus, with three simple setae on basis and three cuspidate setae with accessory seta on the apex; outer ramus inarticulate, slightly longer than peduncle, with three simple setae and one strong and smaller cuspidate setae apically.
</paragraph>
<paragraph id="8BDC36BB161AFF8DFF26FE9B3C8A9939" blockId="24.[151,1437,151,2013]" pageId="24" pageNumber="281">
Telson (
<figureCitation id="13582A3E161AFF8DFEC1FE9B39A6991D" box="[288,386,295,321]" captionStart="FIGURE 18" captionStartId="29.[151,250,1943,1967]" captionTargetBox="[185,1403,181,1919]" captionTargetId="figure-17@29.[185,1403,181,1919]" captionTargetPageId="29" captionText="FIGURE 18. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Pleopods (A); Uropod 1 (B); Uropod 2 (C); Uropod 3 (D); Telson (E). Scale bars: 0.5 mm (A); 0.3 mm (B–C); 0.2 mm (D); 0.1 mm (E)." figureDoi="http://doi.org/10.5281/zenodo.4761767" httpUri="https://zenodo.org/record/4761767/files/figure.png" pageId="24" pageNumber="281">Fig. 18E</figureCitation>
) wider than long, apically rounded, bearing three cuspidate setae with accessory setae unsymmetrically distributed on the distal margin and two small plumose setae on both margin sides.
</paragraph>
<paragraph id="8BDC36BB161AFF8DFF26FED33ACD99D5" blockId="24.[151,1437,151,2013]" box="[199,745,367,393]" pageId="24" pageNumber="281">Coxal gills sac-like, present on pereonites 2 to 6.</paragraph>
<paragraph id="8BDC36BB161AFF8DFF26FE2F3AC899F1" blockId="24.[151,1437,151,2013]" box="[199,748,403,429]" pageId="24" pageNumber="281">Sternal gills tubular, present on pereonites 2 to 7.</paragraph>
<paragraph id="8BDC36BB161AFF8DFF26FE0A3A1B9A45" blockId="24.[151,1437,151,2013]" pageId="24" pageNumber="281">
<emphasis id="B917EAA9161AFF8DFF26FE0A39DF998C" bold="true" box="[199,507,438,465]" pageId="24" pageNumber="281">Description of the female.</emphasis>
CCUFLA 442, body length: 
<quantity id="4C9B9B5E161AFF8DFCA2FE0B3B8E998D" box="[835,938,439,465]" metricMagnitude="-3" metricUnit="m" metricValue="4.3" pageId="24" pageNumber="281" unit="mm" value="4.3">4.30 mm</quantity>
; head length: 
<quantity id="4C9B9B5E161AFF8DFBA6FE0B3C85998D" box="[1095,1185,439,465]" metricMagnitude="-3" metricUnit="m" metricValue="4.3" pageId="24" pageNumber="281" unit="mm" value="4.3">4.3 mm</quantity>
. Antenna 1 (
<figureCitation id="13582A3E161AFF8DFACFFE0B3DB0998D" box="[1326,1428,439,465]" captionStart="FIGURE 19" captionStartId="30.[151,250,1943,1967]" captionTargetBox="[197,1390,181,1919]" captionTargetId="figure-21@30.[197,1390,181,1919]" captionTargetPageId="30" captionText="FIGURE 19. Hyalella sambaqui n. sp., municipality of Passo de Torres Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype female, 4.3 mm.Antenna 1 (A); Antenna 2 (B); Gnathopod 1 (C); Detail of the carpus, propodus and dactylus (D); Gnathopod 2 (E); Detail of the carpus, propodus and dactylus (F). Scale bars: 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4761769" httpUri="https://zenodo.org/record/4761769/files/figure.png" pageId="24" pageNumber="281">Fig. 19A</figureCitation>
) shorter than antenna 2 (1/4 times), flagellum with eight articles. Antenna 2 (
<figureCitation id="13582A3E161AFF8DFC18FE673C7A99A9" box="[1017,1118,475,501]" captionStart="FIGURE 19" captionStartId="30.[151,250,1943,1967]" captionTargetBox="[197,1390,181,1919]" captionTargetId="figure-21@30.[197,1390,181,1919]" captionTargetPageId="30" captionText="FIGURE 19. Hyalella sambaqui n. sp., municipality of Passo de Torres Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype female, 4.3 mm.Antenna 1 (A); Antenna 2 (B); Gnathopod 1 (C); Detail of the carpus, propodus and dactylus (D); Gnathopod 2 (E); Detail of the carpus, propodus and dactylus (F). Scale bars: 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4761769" httpUri="https://zenodo.org/record/4761769/files/figure.png" pageId="24" pageNumber="281">Fig. 19B</figureCitation>
) reaching half the length of the body, flagellum with nine articles.
</paragraph>
<paragraph id="8BDC36BB161AFF8DFF26FD9F39F79B01" blockId="24.[151,1437,151,2013]" pageId="24" pageNumber="281">
Gnathopod 1 (
<figureCitation id="13582A3E161AFF8DFE8BFD9F39D29A61" box="[362,502,547,573]" captionStart="FIGURE 19" captionStartId="30.[151,250,1943,1967]" captionTargetBox="[197,1390,181,1919]" captionTargetId="figure-21@30.[197,1390,181,1919]" captionTargetPageId="30" captionText="FIGURE 19. Hyalella sambaqui n. sp., municipality of Passo de Torres Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype female, 4.3 mm.Antenna 1 (A); Antenna 2 (B); Gnathopod 1 (C); Detail of the carpus, propodus and dactylus (D); Gnathopod 2 (E); Detail of the carpus, propodus and dactylus (F). Scale bars: 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4761769" httpUri="https://zenodo.org/record/4761769/files/figure.png" pageId="24" pageNumber="281">Figs 19C, D</figureCitation>
) subchelate; basis longer than wider; ischium and merus with comb-scales in posterior margin; posterior lobe of carpus convex, forming a shell-shaped structure with many serrate setae distributed along the margin, inner face with three long simple setae, disto-anterior margin with a group of simple setae; propodus slightly longer than wide, length about 1.2 times of maximum width hammer-shaped, comb-scales in distoposterior and disto-anterior margin, inner face with five serrate setae arranged in one row; outer face of propodus not observed palm margin slightly shorter than posterior margin length of propodus (1.3 times) with two long and slender simple setae with several simple and cuspidate setae smaller, distal margin with one robust cuspidate setae with accessory setae; dactyl claw-like with comb-scales, one plumose seta on dorsal margin, length reaching distal border of palm of propodus.
</paragraph>
<paragraph id="8BDC36BB161AFF8DFF26FCDB3C7C9C05" blockId="24.[151,1437,151,2013]" pageId="24" pageNumber="281">
Gnathopod 2 (
<figureCitation id="13582A3E161AFF8DFE86FCDB39CF9BDD" box="[359,491,871,897]" captionStart="FIGURE 19" captionStartId="30.[151,250,1943,1967]" captionTargetBox="[197,1390,181,1919]" captionTargetId="figure-21@30.[197,1390,181,1919]" captionTargetPageId="30" captionText="FIGURE 19. Hyalella sambaqui n. sp., municipality of Passo de Torres Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype female, 4.3 mm.Antenna 1 (A); Antenna 2 (B); Gnathopod 1 (C); Detail of the carpus, propodus and dactylus (D); Gnathopod 2 (E); Detail of the carpus, propodus and dactylus (F). Scale bars: 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4761769" httpUri="https://zenodo.org/record/4761769/files/figure.png" pageId="24" pageNumber="281">Figs 19E, F</figureCitation>
) subchelate; basis, ischium, merus and carpus similar to gnathopod 1; propodus longer than wider, rectangular shape, length about 1.7 times of maximum width, differing from male gnathopod 
<quantity id="4C9B9B5E161AFF8DFA91FC373DB89BF9" box="[1392,1436,907,933]" metricMagnitude="-2" metricUnit="m" metricValue="5.08" pageId="24" pageNumber="281" unit="in" value="2.0">2 in</quantity>
shape and size, inner face with four serrate setae arranged in one row, disto-anterior and disto-posterior border with several comb-scales, disto-posterior border with two simple setae; palm slightly flat, smaller than 1/2 the maximum posterior margin length of propodus with two long and slender simple setae and some smaller cuspidate setae with accessory seta, distal margin with only one small and robust cuspidate seta with accessory setae; dactyl claw-like, reaching the length of palm with comb-scales and one plumose seta on dorsal margin.
</paragraph>
<paragraph id="8BDC36BB161AFF8DFF26FBDE3BC79D6D" blockId="24.[151,1437,151,2013]" pageId="24" pageNumber="281">
<emphasis id="B917EAA9161AFF8DFF26FBDE39FF9C20" bold="true" box="[199,475,1122,1148]" pageId="24" pageNumber="281">Intraspecific variation.</emphasis>
There was variation in the number of setae in the uropod 3, with a difference even between individuals. In some individuals, the peduncle presents six cuspidate setae, and a long simple seta on the inner margin of the peduncle. However, in the other peduncle the simple seta on the inner margin was absent, and the ramus shows a robust cuspidate seta, but the number of cuspidate setae is upper of three (
<figureCitation id="13582A3E161AFF8DFB4AFB733D309CB5" box="[1195,1300,1231,1257]" captionStart="FIGURE 20" captionStartId="31.[151,250,1942,1966]" captionTargetBox="[151,1436,957,1918]" captionTargetId="figure-415@31.[151,1436,957,1918]" captionTargetPageId="31" captionText="FIGURE 20. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male. Uropod 3 (A); Telson (B). Scale bars: 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4761771" httpUri="https://zenodo.org/record/4761771/files/figure.png" pageId="24" pageNumber="281">Fig. 20A</figureCitation>
). The telson presented a different shape for some individuals, with a rectangular shape and the presence of four cuspidate setae on the apex and three small plumose setae on both margin sides (
<figureCitation id="13582A3E161AFF8DFC8EFAAB3BF29D6D" box="[879,982,1303,1329]" captionStart="FIGURE 20" captionStartId="31.[151,250,1942,1966]" captionTargetBox="[151,1436,957,1918]" captionTargetId="figure-415@31.[151,1436,957,1918]" captionTargetPageId="31" captionText="FIGURE 20. Hyalella sambaqui n. sp., municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male. Uropod 3 (A); Telson (B). Scale bars: 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4761771" httpUri="https://zenodo.org/record/4761771/files/figure.png" pageId="24" pageNumber="281">Fig. 20B</figureCitation>
).
</paragraph>
<paragraph id="8BDC36BB161AFF8DFF26FA8739A09E55" blockId="24.[151,1437,151,2013]" pageId="24" pageNumber="281">
<emphasis id="B917EAA9161AFF8DFF26FA87395A9D09" bold="true" box="[199,382,1339,1365]" pageId="24" pageNumber="281">Measurements.</emphasis>
For males, the mean body length was 5.57 ± 
<quantity id="4C9B9B5E161AFF8DFC99FA873BFA9D09" box="[888,990,1339,1365]" metricMagnitude="-4" metricUnit="m" metricValue="9.1" pageId="24" pageNumber="281" unit="mm" value="0.91">0.91 mm</quantity>
, while the mean head length was 0.62 ± 
<quantity id="4C9B9B5E161AFF8DFF76FAE338D89D25" box="[151,252,1375,1401]" metricMagnitude="-4" metricUnit="m" metricValue="1.4" pageId="24" pageNumber="281" unit="mm" value="0.14">0.14 mm</quantity>
(n=229). The smallest male specimen had 
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of body length, and 
<quantity id="4C9B9B5E161AFF8DFBC4FAE33C589D25" box="[1061,1148,1375,1401]" metricMagnitude="-4" metricUnit="m" metricValue="3.0" pageId="24" pageNumber="281" unit="mm" value="0.3">0.3 mm</quantity>
of head length, while the largest male reached 
<quantity id="4C9B9B5E161AFF8DFE62FA3F39FC9DC1" box="[387,472,1411,1437]" metricMagnitude="-3" metricUnit="m" metricValue="8.3" pageId="24" pageNumber="281" unit="mm" value="8.3">8.3 mm</quantity>
of body length, with head length reaching 1.0 mm. For females, the mean body length was 4.7 ± 
<quantity id="4C9B9B5E161AFF8DFEEFFA1B39439D9D" box="[270,359,1447,1473]" metricMagnitude="-4" metricUnit="m" metricValue="9.0" pageId="24" pageNumber="281" unit="mm" value="0.9">0.9 mm</quantity>
, and the mean head length was 0.56 ± 
<quantity id="4C9B9B5E161AFF8DFCC5FA1B3BAD9D9D" box="[804,905,1447,1473]" metricMagnitude="-4" metricUnit="m" metricValue="1.3" pageId="24" pageNumber="281" unit="mm" value="0.13">0.13 mm</quantity>
(n=346). The body size of the smallest female reached 
<quantity id="4C9B9B5E161AFF8DFF17FA77396A9DB9" box="[246,334,1483,1509]" metricMagnitude="-3" metricUnit="m" metricValue="2.4" pageId="24" pageNumber="281" unit="mm" value="2.4">2.4 mm</quantity>
and the head length, 
<quantity id="4C9B9B5E161AFF8DFDA2FA773AB89DB9" box="[579,668,1483,1509]" metricMagnitude="-4" metricUnit="m" metricValue="3.0" pageId="24" pageNumber="281" unit="mm" value="0.3">0.3 mm</quantity>
, while the body size of the largest female measured 8.0 mm and its head length, 
<quantity id="4C9B9B5E161AFF8DFEC6FA5339A49E55" box="[295,384,1519,1545]" metricMagnitude="-4" metricUnit="m" metricValue="9.0" pageId="24" pageNumber="281" unit="mm" value="0.9">0.9 mm</quantity>
.
</paragraph>
</subSubSection>
<subSubSection id="C3796530161AFF8DFF26F9AF39979F59" pageId="24" pageNumber="281" type="etymology">
<paragraph id="8BDC36BB161AFF8DFF26F9AF3BEC9EC5" blockId="24.[151,1437,151,2013]" pageId="24" pageNumber="281">
<emphasis id="B917EAA9161AFF8DFF26F9AF396A9E71" bold="true" box="[199,334,1555,1581]" pageId="24" pageNumber="281">Etymology.</emphasis>
The specific name, sambaqui, is a word of Tupi etymology (
<emphasis id="B917EAA9161AFF8DFC11F9AF3C129E71" box="[1008,1078,1555,1581]" italics="true" pageId="24" pageNumber="281">tamba</emphasis>
= shellfish, and 
<emphasis id="B917EAA9161AFF8DFB0CF9AF3D259E71" box="[1261,1281,1555,1581]" italics="true" pageId="24" pageNumber="281">ki</emphasis>
= pilling-up). The term describes the main characteristics of the coastal region of 
<collectingRegion id="49A7F859161AFF8DFC44F98B3C6F9E0D" box="[933,1099,1591,1617]" country="Brazil" name="Santa Catarina" pageId="24" pageNumber="281">Santa Catarina</collectingRegion>
during the first arrivals from Europe, regions with enormous amounts of shellmounds. The term also is attributed to the first inhabitants of the region of the municipality of Passo de Torres, called “men of sambaqui”.
</paragraph>
<paragraph id="8BDC36BB161AFF8DFF26F91E39979F59" blockId="24.[151,1437,151,2013]" pageId="24" pageNumber="281">
<emphasis id="B917EAA9161AFF8DFF26F91E390E9EE0" bold="true" box="[199,298,1698,1724]" pageId="24" pageNumber="281">Habitat.</emphasis>
Freshwater, epigean. 
<taxonomicName id="4C634D38161AFF8DFDC3F91F3ADC9EE1" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[546,760,1699,1725]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="24" pageNumber="281" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161AFF8DFDC3F91F3ADC9EE1" box="[546,760,1699,1725]" italics="true" pageId="24" pageNumber="281">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161AFF8DFCE1F91F3B1B9EE1" bold="true" box="[768,831,1699,1725]" pageId="24" pageNumber="281">
<taxonomicNameLabel id="A22457D2161AFF8DFCE1F91F3B1B9EE1" box="[768,831,1699,1725]" pageId="24" pageNumber="281" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
was found in intermittent and temporary ponds, with a size-area smaller than one-hectare, depth with 
<quantity id="4C9B9B5E161AFF8DFD5BF97A3ADB9EBD" box="[698,767,1734,1761]" metricMagnitude="-1" metricUnit="m" metricValue="5.0" pageId="24" pageNumber="281" unit="cm" value="50.0">50 cm</quantity>
(± 
<quantity id="4C9B9B5E161AFF8DFCC9F97B3B569EBD" box="[808,882,1735,1761]" metricMagnitude="-1" metricUnit="m" metricValue="2.0" pageId="24" pageNumber="281" unit="cm" value="20.0">20 cm</quantity>
), and feature emergent and floating vegetation in the margins of the ponds.
</paragraph>
</subSubSection>
<subSubSection id="C3796530161AFF8AFF26F8B2397E9BF9" lastPageId="31" lastPageNumber="288" pageId="24" pageNumber="281" type="distribution">
<paragraph id="8BDC36BB161AFF8DFF26F8B238CF9F81" blockId="24.[151,1437,151,2013]" pageId="24" pageNumber="281">
<emphasis id="B917EAA9161AFF8DFF26F8B239459F74" bold="true" box="[199,353,1806,1832]" pageId="24" pageNumber="281">Distribution.</emphasis>
<taxonomicName id="4C634D38161AFF8DFE86F8B33A1F9F75" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[359,571,1807,1833]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="24" pageNumber="281" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161AFF8DFE86F8B33A1F9F75" box="[359,571,1807,1833]" italics="true" pageId="24" pageNumber="281">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161AFF8DFDA0F8B33A5B9F75" bold="true" box="[577,639,1807,1833]" pageId="24" pageNumber="281">
<taxonomicNameLabel id="A22457D2161AFF8DFDA0F8B33A5B9F75" box="[577,639,1807,1833]" pageId="24" pageNumber="281" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
was recorded in four wetlands across the extension of the Coastal Plain of 
<collectingRegion id="49A7F859161AFF8DFF57F88F397F9F11" box="[182,347,1843,1869]" country="Brazil" name="Santa Catarina" pageId="24" pageNumber="281">Santa Catarina</collectingRegion>
(
<figureCitation id="13582A3E161AFF8DFE8BF88F39889F11" box="[362,428,1843,1869]" captionStart="FIGURE 1" captionStartId="2.[151,250,1256,1280]" captionTargetBox="[159,1429,187,1221]" captionTargetId="figure-21@2.[151,1436,181,1232]" captionTargetPageId="2" captionText="FIGURE 1. Map showing the geographical location of the study area and the sampling sites." figureDoi="http://doi.org/10.5281/zenodo.4761720" httpUri="https://zenodo.org/record/4761720/files/figure.png" pageId="24" pageNumber="281">Fig. 1</figureCitation>
). The sites P4 and P5 feature permanent hydroperiod, while sites P6 and P7 has a temporary hydroperiod. Of the four collection sites, only site P5 is isolate, without hydrological connection with any other water bodies. In all sampling sites, there is the presence of herbaceous vegetation in margin of the ponds, with total size-area ranging from 
<quantity id="4C9B9B5E161AFF8DFE7CF82339DD9FE7" box="[413,505,1951,1979]" metricMagnitude="3" metricUnit="m" metricValue="2.306" pageId="24" pageNumber="281" unit="m" value="2306.0">2,306 m</quantity>
<quantity id="4C9B9B5E161AFF8DFE18F81C3AA69FE7" box="[505,642,1950,1979]" metricMagnitude="3" metricUnit="m" metricValue="2.671" metricValueMax="5.34" metricValueMin="0.002" pageId="24" pageNumber="281" unit="m" value="2671.0" valueMax="5340.0" valueMin="2.0">² to 5,340 m</quantity>
² and depth not exceeding 
<quantity id="4C9B9B5E161AFF8DFC4AF8223BD09FE5" box="[939,1012,1950,1977]" metricMagnitude="-1" metricUnit="m" metricValue="5.0" pageId="24" pageNumber="281" unit="cm" value="50.0">50 cm</quantity>
, ranging around 
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in the sites P4 and P6.
</paragraph>
<paragraph id="8BDC36BB161BFF8CFF26FF2A38C199D4" blockId="25.[151,1437,150,1941]" pageId="25" pageNumber="282">
<emphasis id="B917EAA9161BFF8CFF26FF2A39E598EC" bold="true" box="[199,449,150,176]" pageId="25" pageNumber="282">Taxonomic remarks.</emphasis>
In general, the new species shares some morphological characteristics of taxonomic importance with most epigean species of 
<taxonomicName id="4C634D38161BFF8CFD91FF063AF49888" authorityName="Smith" authorityYear="1874" box="[624,720,186,212]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="genus">
<emphasis id="B917EAA9161BFF8CFD91FF063AF49888" box="[624,720,186,212]" italics="true" pageId="25" pageNumber="282">Hyalella</emphasis>
</taxonomicName>
from Southern of the 
<collectingCountry id="F374762B161BFF8CFC31FF063C3C9888" box="[976,1048,186,212]" name="Brazil" pageId="25" pageNumber="282">Brazil</collectingCountry>
. As well as most species 
<taxonomicName id="4C634D38161BFF8CFADDFF06392098A4" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161BFF8CFADDFF06392098A4" italics="true" pageId="25" pageNumber="282">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161BFF8CFEEDFF62396F98A4" bold="true" box="[268,331,222,248]" pageId="25" pageNumber="282">
<taxonomicNameLabel id="A22457D2161BFF8CFEEDFF62396F98A4" box="[268,331,222,248]" pageId="25" pageNumber="282" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
shows one long curved seta on the inner ramus of uropod 1 (except in 
<taxonomicName id="4C634D38161BFF8CFB90FF6339719940" authority="Gonzalez &amp; Watling, 2003" authorityName="Gonzalez &amp; Watling" authorityYear="2003" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="pseudoazteca">
<emphasis id="B917EAA9161BFF8CFB90FF633D0F98A4" box="[1137,1323,222,248]" italics="true" pageId="25" pageNumber="282">H. pseudoazteca</emphasis>
González &amp; Watling, 2003
</taxonomicName>
, in which the curved seta is absent). 
<taxonomicName id="4C634D38161BFF8CFD10FEBE3BE19940" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[753,965,258,284]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161BFF8CFD10FEBE3BE19940" box="[753,965,258,284]" italics="true" pageId="25" pageNumber="282">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161BFF8CFC2DFEBE3C2F9940" bold="true" box="[972,1035,258,284]" pageId="25" pageNumber="282">
<taxonomicNameLabel id="A22457D2161BFF8CFC2DFEBE3C2F9940" box="[972,1035,258,284]" pageId="25" pageNumber="282" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
also shares with most other species of the genus the body surface smooth (except with 
<taxonomicName id="4C634D38161BFF8CFD2CFE9B3B73991C" authorityName="Araujo &amp; Cardoso" authorityYear="2013" box="[717,855,294,320]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="kaingang">
<emphasis id="B917EAA9161BFF8CFD2CFE9B3B73991C" box="[717,855,294,320]" italics="true" pageId="25" pageNumber="282">H. kaingang</emphasis>
</taxonomicName>
, that has flanges on pleonites 1 and 2; 
<taxonomicName id="4C634D38161BFF8CFAE4FE9B3DB1991C" authorityName="Gonzalez, Bond-Buckup &amp; Araujo" authorityYear="2006" box="[1285,1429,294,320]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="pleoacuta">
<emphasis id="B917EAA9161BFF8CFAE4FE9B3DB1991C" box="[1285,1429,294,320]" italics="true" pageId="25" pageNumber="282">H. pleoacuta</emphasis>
</taxonomicName>
, with flanges on pereion 7 and pleonites 1, 2 and 3; and 
<taxonomicName id="4C634D38161BFF8CFCE7FEF73B9B9938" authorityName="Gonzalez &amp; Watling" authorityYear="2003" box="[774,959,330,356]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="pseudoazteca">
<emphasis id="B917EAA9161BFF8CFCE7FEF73B9B9938" box="[774,959,330,356]" italics="true" pageId="25" pageNumber="282">H. pseudoazteca</emphasis>
</taxonomicName>
, with flanges on pereion 7 and pleonites 1 and 2).
</paragraph>
<paragraph id="8BDC36BB161BFF8CFF26FE2E38C39A91" blockId="25.[151,1437,150,1941]" pageId="25" pageNumber="282">
<taxonomicName id="4C634D38161BFF8CFF26FE2E39BA99F0" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[199,414,402,428]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161BFF8CFF26FE2E39BA99F0" box="[199,414,402,428]" italics="true" pageId="25" pageNumber="282">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161BFF8CFE47FE2E39C399F0" bold="true" box="[422,487,402,428]" pageId="25" pageNumber="282">
<taxonomicNameLabel id="A22457D2161BFF8CFE47FE2E39C399F0" box="[422,487,402,428]" pageId="25" pageNumber="282" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
shares some similarities with 
<taxonomicName id="4C634D38161BFF8CFCA5FE2E3C1F99F0" authorityName="Streck-Marx &amp; Castiglioni" authorityYear="2020" box="[836,1083,402,428]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="palmeirensis">
<emphasis id="B917EAA9161BFF8CFCA5FE2E3C1F99F0" box="[836,1083,402,428]" italics="true" pageId="25" pageNumber="282">Hyalella palmeirensis</emphasis>
</taxonomicName>
, such as the number of serrate setae on the inner face of the propodus of gnathopod 1, the number of cuspidate setae on the inner side of the inner ramus of uropod 1, and the number of cuspidate setae on the peduncle of the inner and outer rami of uropod 2. However, both species differ in the number of setae in the peduncle of uropod 1 (
<taxonomicName id="4C634D38161BFF8CFBFDFE433CE89A44" authorityName="Streck-Marx &amp; Castiglioni" authorityYear="2020" box="[1052,1228,510,536]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="palmeirensis">
<emphasis id="B917EAA9161BFF8CFBFDFE433CE89A44" box="[1052,1228,510,536]" italics="true" pageId="25" pageNumber="282">H. palmeirensis</emphasis>
</taxonomicName>
shows four setae), number of apical and plumose setae on telson (
<taxonomicName id="4C634D38161BFF8CFD46FD9F3B739A60" authorityName="Streck-Marx &amp; Castiglioni" authorityYear="2020" box="[679,855,546,572]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="palmeirensis">
<emphasis id="B917EAA9161BFF8CFD46FD9F3B739A60" box="[679,855,546,572]" italics="true" pageId="25" pageNumber="282">H. palmeirensis</emphasis>
</taxonomicName>
has two long simple and three plumose setae), papposerrate setae in the inner plate of the maxilla 2 (
<taxonomicName id="4C634D38161BFF8CFD2AFDFB3B5F9A3C" authorityName="Streck-Marx &amp; Castiglioni" authorityYear="2020" box="[715,891,582,608]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="palmeirensis">
<emphasis id="B917EAA9161BFF8CFD2AFDFB3B5F9A3C" box="[715,891,582,608]" italics="true" pageId="25" pageNumber="282">H. palmeirensis</emphasis>
</taxonomicName>
shows one robust papposerrate setae), ornament on the distal inner margin of gnathopod 2 (absent in 
<taxonomicName id="4C634D38161BFF8CFD36FDD73BA29AD8" authorityName="Streck-Marx &amp; Castiglioni" authorityYear="2020" box="[727,902,618,644]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="palmeirensis">
<emphasis id="B917EAA9161BFF8CFD36FDD73BA29AD8" box="[727,902,618,644]" italics="true" pageId="25" pageNumber="282">H. palmeirensis</emphasis>
</taxonomicName>
), setae on telson (
<taxonomicName id="4C634D38161BFF8CFBAFFDD73CD99AD8" authorityName="Streck-Marx &amp; Castiglioni" authorityYear="2020" box="[1102,1277,618,644]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="palmeirensis">
<emphasis id="B917EAA9161BFF8CFBAFFDD73CD99AD8" box="[1102,1277,618,644]" italics="true" pageId="25" pageNumber="282">H. palmeirensis</emphasis>
</taxonomicName>
with two long simple and three plumose accessory setae), and sternal gills in the pereonites (
<taxonomicName id="4C634D38161BFF8CFC17FD333C829AF4" authorityName="Streck-Marx &amp; Castiglioni" authorityYear="2020" box="[1014,1190,654,680]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="palmeirensis">
<emphasis id="B917EAA9161BFF8CFC17FD333C829AF4" box="[1014,1190,654,680]" italics="true" pageId="25" pageNumber="282">H. palmeirensis</emphasis>
</taxonomicName>
has gills in pereonites 3 to 7).
</paragraph>
<paragraph id="8BDC36BB161BFF8CFF26FD6A39759B95" blockId="25.[151,1437,150,1941]" pageId="25" pageNumber="282">
Regarding the number of the articles of the flagellum in antennae 1 and 2, 
<taxonomicName id="4C634D38161BFF8CFC1EFD6B3C809AAC" authorityName="Bond-Buckup, Araujo &amp; Santos" authorityYear="2008" box="[1023,1188,726,752]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="bonariensis">
<emphasis id="B917EAA9161BFF8CFC1EFD6B3C809AAC" box="[1023,1188,726,752]" italics="true" pageId="25" pageNumber="282">H. bonariensis</emphasis>
</taxonomicName>
present between 9–12 and 12–15 articles, respectively, being similar to 
<taxonomicName id="4C634D38161BFF8CFD57FD463BAD9B48" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[694,905,762,788]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161BFF8CFD57FD463BAD9B48" box="[694,905,762,788]" italics="true" pageId="25" pageNumber="282">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161BFF8CFC6EFD463BE99B48" bold="true" box="[911,973,762,788]" pageId="25" pageNumber="282">
<taxonomicNameLabel id="A22457D2161BFF8CFC6EFD463BE99B48" box="[911,973,762,788]" pageId="25" pageNumber="282" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
, besides that share the presence of sternal gills in the pereonites from 2 to 7; the number of papposerrate setae on the inner plate of the maxilla 1; the number of serrate setae ventrally of the propodus of gnathopod 1. They differ in the setae of the inner plate of the maxilla 2 (
<taxonomicName id="4C634D38161BFF8CFF40FCDB39639BDC" authorityName="Bond-Buckup, Araujo &amp; Santos" authorityYear="2008" box="[161,327,870,896]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="bonariensis">
<emphasis id="B917EAA9161BFF8CFF40FCDB39639BDC" box="[161,327,870,896]" italics="true" pageId="25" pageNumber="282">H. bonariensis</emphasis>
</taxonomicName>
with two rows of simple setae; 
<taxonomicName id="4C634D38161BFF8CFD53FCDA3BA39BDC" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[690,903,870,896]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161BFF8CFD53FCDA3BA39BDC" box="[690,903,870,896]" italics="true" pageId="25" pageNumber="282">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161BFF8CFC6EFCDA3BEB9BDC" bold="true" box="[911,975,870,896]" pageId="25" pageNumber="282">
<taxonomicNameLabel id="A22457D2161BFF8CFC6EFCDA3BEB9BDC" box="[911,975,870,896]" pageId="25" pageNumber="282" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
with several serrulate and simple setae); peduncle of uropod 3 (
<taxonomicName id="4C634D38161BFF8CFE77FC373A1F9BF8" authorityName="Bond-Buckup, Araujo &amp; Santos" authorityYear="2008" box="[406,571,906,932]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="bonariensis">
<emphasis id="B917EAA9161BFF8CFE77FC373A1F9BF8" box="[406,571,906,932]" italics="true" pageId="25" pageNumber="282">H. bonariensis</emphasis>
</taxonomicName>
with six cuspidate and one simple setae; 
<taxonomicName id="4C634D38161BFF8CFBEBFC363CFB9BF8" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[1034,1247,906,932]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161BFF8CFBEBFC363CFB9BF8" box="[1034,1247,906,932]" italics="true" pageId="25" pageNumber="282">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161BFF8CFB07FC363D009BF8" bold="true" box="[1254,1316,906,932]" pageId="25" pageNumber="282">
<taxonomicNameLabel id="A22457D2161BFF8CFB07FC363D009BF8" box="[1254,1316,906,932]" pageId="25" pageNumber="282" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
with three cuspidate setae).
</paragraph>
<paragraph id="8BDC36BB161BFF8CFF26FC6E3D799C21" blockId="25.[151,1437,150,1941]" pageId="25" pageNumber="282">
As in 
<taxonomicName id="4C634D38161BFF8CFEEEFC6F39849BB0" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[271,416,978,1004]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161BFF8CFEEEFC6F39849BB0" box="[271,416,978,1004]" italics="true" pageId="25" pageNumber="282">H. sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161BFF8CFE48FC6E39CE9BB0" bold="true" box="[425,490,978,1004]" pageId="25" pageNumber="282">
<taxonomicNameLabel id="A22457D2161BFF8CFE48FC6E39CE9BB0" box="[425,490,978,1004]" pageId="25" pageNumber="282" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
, 
<taxonomicName id="4C634D38161BFF8CFE1AFC6F3ABF9BB0" authorityName="Streck &amp; Castiglioni" authorityYear="2017" box="[507,667,978,1004]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="gauchensis">
<emphasis id="B917EAA9161BFF8CFE1AFC6F3ABF9BB0" box="[507,667,978,1004]" italics="true" pageId="25" pageNumber="282">H. gauchensis</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C634D38161BFF8CFD37FC6F3B489BB0" authorityName="Streck &amp; Castiglioni" authorityYear="2017" box="[726,876,979,1004]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="georginae">
<emphasis id="B917EAA9161BFF8CFD37FC6F3B489BB0" box="[726,876,979,1004]" italics="true" pageId="25" pageNumber="282">H. georginae</emphasis>
</taxonomicName>
present plumose setae on the apex of the telson, however, differs in number of cuspidate setae on the inner and outer rami of uropod 1; the number of serrate setae on the inner face of the propodus of gnathopod 1 (
<taxonomicName id="4C634D38161BFF8CFD2AFBA73B7E9C68" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[715,858,1050,1076]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161BFF8CFD2AFBA73B7E9C68" box="[715,858,1050,1076]" italics="true" pageId="25" pageNumber="282">H. sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161BFF8CFC80FBA63B849C68" bold="true" box="[865,928,1050,1076]" pageId="25" pageNumber="282">
<taxonomicNameLabel id="A22457D2161BFF8CFC80FBA63B849C68" box="[865,928,1050,1076]" pageId="25" pageNumber="282" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
with five serrate setae; 
<taxonomicName id="4C634D38161BFF8CFB4DFBA73D6E9C68" authorityName="Streck &amp; Castiglioni" authorityYear="2017" box="[1196,1354,1050,1076]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="gauchensis">
<emphasis id="B917EAA9161BFF8CFB4DFBA73D6E9C68" box="[1196,1354,1050,1076]" italics="true" pageId="25" pageNumber="282">H. gauchensis</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C634D38161BFF8CFA60FBA7392C9C04" authorityName="Streck &amp; Castiglioni" authorityYear="2017" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="georginae">
<emphasis id="B917EAA9161BFF8CFA60FBA7392C9C04" italics="true" pageId="25" pageNumber="282">H. georginae</emphasis>
</taxonomicName>
with 9 or 10 and 9 serrate setae, respectively), and in the outer plate of the maxilla 2 (
<taxonomicName id="4C634D38161BFF8CFB2FFB833D489C04" authorityName="Streck &amp; Castiglioni" authorityYear="2017" box="[1230,1388,1086,1112]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="gauchensis">
<emphasis id="B917EAA9161BFF8CFB2FFB833D489C04" box="[1230,1388,1086,1112]" italics="true" pageId="25" pageNumber="282">H. gauchensis</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C634D38161BFF8CFF76FBDF390E9C20" authorityName="Streck &amp; Castiglioni" authorityYear="2017" box="[151,298,1123,1148]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="georginae">
<emphasis id="B917EAA9161BFF8CFF76FBDF390E9C20" box="[151,298,1123,1148]" italics="true" pageId="25" pageNumber="282">H. georginae</emphasis>
</taxonomicName>
with several simple setae apically; and 
<taxonomicName id="4C634D38161BFF8CFD06FBDF3B539C20" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[743,887,1122,1148]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161BFF8CFD06FBDF3B539C20" box="[743,887,1122,1148]" italics="true" pageId="25" pageNumber="282">H. sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161BFF8CFC9FFBDE3B989C20" bold="true" box="[894,956,1122,1148]" pageId="25" pageNumber="282">
<taxonomicNameLabel id="A22457D2161BFF8CFC9FFBDE3B989C20" box="[894,956,1122,1148]" pageId="25" pageNumber="282" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
with many serrate and simple setae).
</paragraph>
<paragraph id="8BDC36BB161BFF8CFF26FB3A39BD9D51" blockId="25.[151,1437,150,1941]" pageId="25" pageNumber="282">
<taxonomicName id="4C634D38161BFF8CFF26FB3A39B89CFC" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[199,412,1158,1184]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161BFF8CFF26FB3A39B89CFC" box="[199,412,1158,1184]" italics="true" pageId="25" pageNumber="282">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161BFF8CFE45FB3A39C09CFC" bold="true" box="[420,484,1158,1184]" pageId="25" pageNumber="282">
<taxonomicNameLabel id="A22457D2161BFF8CFE45FB3A39C09CFC" box="[420,484,1158,1184]" pageId="25" pageNumber="282" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
differs from 
<taxonomicName id="4C634D38161BFF8CFD9AFB3B3ACF9CFC" authorityName="Gonzalez, Bond-Buckup &amp; Araujo" authorityYear="2006" box="[635,747,1159,1184]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="castroi">
<emphasis id="B917EAA9161BFF8CFD9AFB3B3ACF9CFC" box="[635,747,1159,1184]" italics="true" pageId="25" pageNumber="282">H. castroi</emphasis>
</taxonomicName>
in the number and 
<typeStatus id="54D88819161BFF8CFC29FB3B3BDC9CFD" box="[968,1016,1159,1185]" pageId="25" pageNumber="282">type</typeStatus>
of setae on the inner face of the propodus of gnathopod 1 (
<taxonomicName id="4C634D38161BFF8CFE7FFB173A2A9C98" authorityName="Gonzalez, Bond-Buckup &amp; Araujo" authorityYear="2006" box="[414,526,1195,1220]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="castroi">
<emphasis id="B917EAA9161BFF8CFE7FFB173A2A9C98" box="[414,526,1195,1220]" italics="true" pageId="25" pageNumber="282">H. castroi</emphasis>
</taxonomicName>
with more than ten papposerrate setae), and the number and 
<typeStatus id="54D88819161BFF8CFB21FB173CD49C99" box="[1216,1264,1195,1221]" pageId="25" pageNumber="282">type</typeStatus>
of setae on the inner plate of the maxilla 2 (
<taxonomicName id="4C634D38161BFF8CFE35FB733A679CB4" authorityName="Gonzalez, Bond-Buckup &amp; Araujo" authorityYear="2006" box="[468,579,1231,1256]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="castroi">
<emphasis id="B917EAA9161BFF8CFE35FB733A679CB4" box="[468,579,1231,1256]" italics="true" pageId="25" pageNumber="282">H. castroi</emphasis>
</taxonomicName>
with one strong pappose seta, and 
<taxonomicName id="4C634D38161BFF8CFC28FB733C7C9CB4" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[969,1112,1230,1256]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161BFF8CFC28FB733C7C9CB4" box="[969,1112,1230,1256]" italics="true" pageId="25" pageNumber="282">H. sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161BFF8CFBBFFB723CB99CB4" bold="true" box="[1118,1181,1230,1256]" pageId="25" pageNumber="282">
<taxonomicNameLabel id="A22457D2161BFF8CFBBFFB723CB99CB4" box="[1118,1181,1230,1256]" pageId="25" pageNumber="282" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
with two papposerrate setae on inner margin).
</paragraph>
<paragraph id="8BDC36BB161BFF8CFF26FAAA3C0E9E55" blockId="25.[151,1437,150,1941]" pageId="25" pageNumber="282">
<taxonomicName id="4C634D38161BFF8CFF26FAAA39BF9D6C" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[199,411,1302,1328]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161BFF8CFF26FAAA39BF9D6C" box="[199,411,1302,1328]" italics="true" pageId="25" pageNumber="282">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161BFF8CFE43FAAA39C49D6C" bold="true" box="[418,480,1302,1328]" pageId="25" pageNumber="282">
<taxonomicNameLabel id="A22457D2161BFF8CFE43FAAA39C49D6C" box="[418,480,1302,1328]" pageId="25" pageNumber="282" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
differs from 
<taxonomicName id="4C634D38161BFF8CFD92FAAB3B2F9D6C" authorityName="Shoemaker" authorityYear="1942" box="[627,779,1303,1328]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="curvispina">
<emphasis id="B917EAA9161BFF8CFD92FAAB3B2F9D6C" box="[627,779,1303,1328]" italics="true" pageId="25" pageNumber="282">H. curvispina</emphasis>
</taxonomicName>
in the number of setae on the inner face of the propodus of gnathopod 1 (
<taxonomicName id="4C634D38161BFF8CFED2FA8739EF9D08" authorityName="Shoemaker" authorityYear="1942" box="[307,459,1339,1364]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="curvispina">
<emphasis id="B917EAA9161BFF8CFED2FA8739EF9D08" box="[307,459,1339,1364]" italics="true" pageId="25" pageNumber="282">H. curvispina</emphasis>
</taxonomicName>
with five to seven setae arranged to 3 rows), just like in the number of setae on the peduncle of uropod 1 (
<taxonomicName id="4C634D38161BFF8CFE9AFAE33A379D24" authorityName="Shoemaker" authorityYear="1942" box="[379,531,1375,1400]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="curvispina">
<emphasis id="B917EAA9161BFF8CFE9AFAE33A379D24" box="[379,531,1375,1400]" italics="true" pageId="25" pageNumber="282">H. curvispina</emphasis>
</taxonomicName>
with seven setae), and the number of setae on the inner and outer rami of uropod 2 (
<taxonomicName id="4C634D38161BFF8CFF54FA3F39699DC0" authorityName="Shoemaker" authorityYear="1942" box="[181,333,1411,1436]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="curvispina">
<emphasis id="B917EAA9161BFF8CFF54FA3F39699DC0" box="[181,333,1411,1436]" italics="true" pageId="25" pageNumber="282">H. curvispina</emphasis>
</taxonomicName>
with two or three distal setae and eight setae apically on the inner ramus, and the outer ramus with three distal setae and four setae apically). However, 
<taxonomicName id="4C634D38161BFF8CFD3FFA1B3B529D9C" authorityName="Shoemaker" authorityYear="1942" box="[734,886,1447,1472]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="curvispina">
<emphasis id="B917EAA9161BFF8CFD3FFA1B3B529D9C" box="[734,886,1447,1472]" italics="true" pageId="25" pageNumber="282">H. curvispina</emphasis>
</taxonomicName>
is similar to 
<taxonomicName id="4C634D38161BFF8CFBE9FA1B3CB39D9C" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[1032,1175,1446,1472]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161BFF8CFBE9FA1B3CB39D9C" box="[1032,1175,1446,1472]" italics="true" pageId="25" pageNumber="282">H. sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161BFF8CFB7FFA1A3CF89D9C" bold="true" box="[1182,1244,1446,1472]" pageId="25" pageNumber="282">
<taxonomicNameLabel id="A22457D2161BFF8CFB7FFA1A3CF89D9C" box="[1182,1244,1446,1472]" pageId="25" pageNumber="282" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
in the number of setae on the apex of the peduncle of uropod 3 (with three setae), but differs on the number of setae on the apex of the both rami of uropod 3 (
<taxonomicName id="4C634D38161BFF8CFE27FA533A7B9E54" authorityName="Shoemaker" authorityYear="1942" box="[454,607,1519,1544]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="curvispina">
<emphasis id="B917EAA9161BFF8CFE27FA533A7B9E54" box="[454,607,1519,1544]" italics="true" pageId="25" pageNumber="282">H. curvispina</emphasis>
</taxonomicName>
with eight slender and one robust setae).
</paragraph>
<paragraph id="8BDC36BB161BFF8CFF26F9AE3B299F11" blockId="25.[151,1437,150,1941]" pageId="25" pageNumber="282">
<taxonomicName id="4C634D38161BFF8CFF26F9AE39B89E70" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[199,412,1554,1580]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161BFF8CFF26F9AE39B89E70" box="[199,412,1554,1580]" italics="true" pageId="25" pageNumber="282">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161BFF8CFE42F9AE39C59E70" bold="true" box="[419,481,1554,1580]" pageId="25" pageNumber="282">
<taxonomicNameLabel id="A22457D2161BFF8CFE42F9AE39C59E70" box="[419,481,1554,1580]" pageId="25" pageNumber="282" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
also resembles 
<taxonomicName id="4C634D38161BFF8CFD75F9AF3BD59E70" authority="Bousfield, 1996" authorityName="Bousfield" authorityYear="1996" box="[660,1009,1554,1580]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="brasiliensis">
<emphasis id="B917EAA9161BFF8CFD75F9AF3B139E70" box="[660,823,1554,1580]" italics="true" pageId="25" pageNumber="282">H. brasiliensis</emphasis>
<bibRefCitation id="EFF24B4A161BFF8CFCDFF9AE3BD59E70" author="Bousfield, E. L." box="[830,1009,1554,1580]" pageId="25" pageNumber="282" pagination="175 - 224" refId="ref16727" refString="Bousfield, E. L. (1996) A contribution to the reclassification of Neotropical freshwater hyalellid amphipods (Crustacea: Gammaridea, Talitroidea). Bolletino del Museo Civico di Storia Naturale de Verona, 20, 175 - 224." type="journal article" year="1996">Bousfield, 1996</bibRefCitation>
</taxonomicName>
described from Rio dos Patos, 
<collectingRegion id="49A7F859161BFF8CFAB1F9AE38EA9E0D" country="Brazil" name="Parana" pageId="25" pageNumber="282">Paraná state</collectingRegion>
. The description of 
<taxonomicName id="4C634D38161BFF8CFE4AF98B3A6A9E0C" authorityName="Bousfield" authorityYear="1996" box="[427,590,1590,1616]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="brasiliensis">
<emphasis id="B917EAA9161BFF8CFE4AF98B3A6A9E0C" box="[427,590,1590,1616]" italics="true" pageId="25" pageNumber="282">H. brasiliensis</emphasis>
</taxonomicName>
is old and shows few morphological information. However, it is possible to observe that both species show some similarities, such as the presence of sternal gills in the pereonites 2 to 7; the form and number of plumose setae on the inner margin of the inner plate of the maxilla 2, and also in the size of the peduncle in relation to the size of the ramus of uropod 1. 
<taxonomicName id="4C634D38161BFF8CFCA6F91E3C389EE0" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[839,1052,1698,1724]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161BFF8CFCA6F91E3C389EE0" box="[839,1052,1698,1724]" italics="true" pageId="25" pageNumber="282">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161BFF8CFBC5F91E3C479EE0" bold="true" box="[1060,1123,1698,1724]" pageId="25" pageNumber="282">
<taxonomicNameLabel id="A22457D2161BFF8CFBC5F91E3C479EE0" box="[1060,1123,1698,1724]" pageId="25" pageNumber="282" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
differs from 
<taxonomicName id="4C634D38161BFF8CFB19F91F3DB89EE0" authorityName="Bousfield" authorityYear="1996" box="[1272,1436,1698,1724]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="brasiliensis">
<emphasis id="B917EAA9161BFF8CFB19F91F3DB89EE0" box="[1272,1436,1698,1724]" italics="true" pageId="25" pageNumber="282">H. brasiliensis</emphasis>
</taxonomicName>
in the number of articles in the flagellum of antennae 1 and 2 (
<taxonomicName id="4C634D38161BFF8CFCAEF97B3BD69EBC" authorityName="Bousfield" authorityYear="1996" box="[847,1010,1734,1760]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="brasiliensis">
<emphasis id="B917EAA9161BFF8CFCAEF97B3BD69EBC" box="[847,1010,1734,1760]" italics="true" pageId="25" pageNumber="282">H. brasiliensis</emphasis>
</taxonomicName>
with 14 and 19 articles, respectively), the number of the setae on the outer ramus of uropod 1 (
<taxonomicName id="4C634D38161BFF8CFCFBF9573B9B9F58" authorityName="Bousfield" authorityYear="1996" box="[794,959,1770,1796]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="brasiliensis">
<emphasis id="B917EAA9161BFF8CFCFBF9573B9B9F58" box="[794,959,1770,1796]" italics="true" pageId="25" pageNumber="282">H. brasiliensis</emphasis>
</taxonomicName>
with four marginal setae on outer ramus), and in length of the ramus of uropod 2 (
<taxonomicName id="4C634D38161BFF8CFDAFF8B33AD49F74" authorityName="Bousfield" authorityYear="1996" box="[590,752,1806,1832]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="brasiliensis">
<emphasis id="B917EAA9161BFF8CFDAFF8B33AD49F74" box="[590,752,1806,1832]" italics="true" pageId="25" pageNumber="282">H. brasiliensis</emphasis>
</taxonomicName>
shows ramus slightly shorter than peduncle while in 
<taxonomicName id="4C634D38161BFF8CFADDF8B239209F10" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161BFF8CFADDF8B239209F10" italics="true" pageId="25" pageNumber="282">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161BFF8CFEEAF88E396E9F10" bold="true" box="[267,330,1842,1868]" pageId="25" pageNumber="282">
<taxonomicNameLabel id="A22457D2161BFF8CFEEAF88E396E9F10" box="[267,330,1842,1868]" pageId="25" pageNumber="282" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
ramus is slightly longer than peduncle).
</paragraph>
<paragraph id="8BDC36BB161BFF8AFF26F8EA3C129941" blockId="25.[151,1437,150,1941]" lastBlockId="31.[151,1437,151,933]" lastPageId="31" lastPageNumber="288" pageId="25" pageNumber="282">
<taxonomicName id="4C634D38161BFF8CFF26F8EA39BF9F2C" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[199,411,1878,1904]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161BFF8CFF26F8EA39BF9F2C" box="[199,411,1878,1904]" italics="true" pageId="25" pageNumber="282">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161BFF8CFE40F8EA39FB9F2C" bold="true" box="[417,479,1878,1904]" pageId="25" pageNumber="282">
<taxonomicNameLabel id="A22457D2161BFF8CFE40F8EA39FB9F2C" box="[417,479,1878,1904]" pageId="25" pageNumber="282" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
also shows some differences in relation to the two species recently described from the 
<collectingRegion id="49A7F859161BFF8CFF76F8C639589FC9" box="[151,380,1914,1941]" country="Brazil" name="Santa Catarina" pageId="25" pageNumber="282">Santa Catarina state</collectingRegion>
. 
<taxonomicName id="4C634D38161BFF8CFE66F8C63A5D9FC8" authorityName="Reis &amp; Bueno" authorityYear="2020" box="[391,633,1914,1940]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="catarinensis">
<emphasis id="B917EAA9161BFF8CFE66F8C63A5D9FC8" box="[391,633,1914,1940]" italics="true" pageId="25" pageNumber="282">Hyalella catarinensis</emphasis>
</taxonomicName>
differs from 
<taxonomicName id="4C634D38161BFF8CFCF0F8C63BC29FC8" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[785,998,1914,1940]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="25" pageNumber="282" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161BFF8CFCF0F8C63BC29FC8" box="[785,998,1914,1940]" italics="true" pageId="25" pageNumber="282">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161BFF8CFC0EF8C63C0B9FC8" bold="true" box="[1007,1071,1914,1940]" pageId="25" pageNumber="282">
<taxonomicNameLabel id="A22457D2161BFF8CFC0EF8C63C0B9FC8" box="[1007,1071,1914,1940]" pageId="25" pageNumber="282" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
by the absence of serrate apical setae on the outer plate of the maxilla 2, absence of serrate setae on the inner surface of gnathopod 1, and absence of pappose setae on the inner plate of the maxilliped. 
<taxonomicName id="4C634D38161DFF8AFD11FF073BC49888" authorityName="Reis &amp; Bueno" authorityYear="2020" box="[752,992,187,213]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="288" phylum="Arthropoda" rank="species" species="catarinensis">
<emphasis id="B917EAA9161DFF8AFD11FF073BC49888" box="[752,992,187,213]" italics="true" pageId="31" pageNumber="288">Hyalella catarinensis</emphasis>
</taxonomicName>
also differs by the number of cuspidate setae on the peduncles of uropods 1 and 2 (
<taxonomicName id="4C634D38161DFF8AFD6DFF633B1D98A4" authorityName="Reis &amp; Bueno" authorityYear="2020" box="[652,825,223,248]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="288" phylum="Arthropoda" rank="species" species="catarinensis">
<emphasis id="B917EAA9161DFF8AFD6DFF633B1D98A4" box="[652,825,223,248]" italics="true" pageId="31" pageNumber="288">H. catarinensis</emphasis>
</taxonomicName>
with five cuspidate setae with accessory setae on the peduncle of uropod 1, and with three cuspidate setae on the peduncle of uropod 2).
</paragraph>
<caption id="DF1C66331618FF8FFF76F8CD38CC9FA9" ID-DOI="http://doi.org/10.5281/zenodo.4761761" ID-Zenodo-Dep="4761761" httpUri="https://zenodo.org/record/4761761/files/figure.png" pageId="26" pageNumber="283" startId="26.[151,250,1905,1929]" targetBox="[202,1385,181,1881]" targetPageId="26">
<paragraph id="8BDC36BB1618FF8FFF76F8CD38CC9FA9" blockId="26.[151,1437,1905,2037]" pageId="26" pageNumber="283">
<emphasis id="B917EAA91618FF8FFF76F8CD39059FD5" bold="true" box="[151,289,1905,1929]" pageId="26" pageNumber="283">FIGURE 15.</emphasis>
<taxonomicName id="4C634D381618FF8FFEC8F8CD39CF9FD5" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[297,491,1905,1929]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="26" pageNumber="283" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA91618FF8FFEC8F8CD39CF9FD5" box="[297,491,1905,1929]" italics="true" pageId="26" pageNumber="283">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA91618FF8FFE13F8CD3A099FD5" bold="true" box="[498,557,1905,1929]" pageId="26" pageNumber="283">
<taxonomicNameLabel id="A22457D21618FF8FFE13F8CD3A099FD5" box="[498,557,1905,1929]" pageId="26" pageNumber="283" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
, municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Habitus (
<emphasis id="B917EAA91618FF8FFDA3F8293A709FF1" bold="true" box="[578,596,1941,1965]" pageId="26" pageNumber="283">A</emphasis>
); Antenna 1 (
<emphasis id="B917EAA91618FF8FFD01F8293AD59FF1" bold="true" box="[736,753,1941,1965]" pageId="26" pageNumber="283">B</emphasis>
); Antenna 2 (
<emphasis id="B917EAA91618FF8FFC9CF8293BAB9FF1" bold="true" box="[893,911,1941,1965]" pageId="26" pageNumber="283">C</emphasis>
); Left mandible (
<emphasis id="B917EAA91618FF8FFBA3F8293C709FF1" bold="true" box="[1090,1108,1941,1965]" pageId="26" pageNumber="283">D</emphasis>
); Right mandible (
<emphasis id="B917EAA91618FF8FFAF4F8293D029FF1" bold="true" box="[1301,1318,1941,1965]" pageId="26" pageNumber="283">E</emphasis>
); Upper lip (
<emphasis id="B917EAA91618FF8FFF41F805388B9F8D" bold="true" box="[160,175,1977,2001]" pageId="26" pageNumber="283">F</emphasis>
); Lower lip (
<emphasis id="B917EAA91618FF8FFEDAF805396B9F8D" bold="true" box="[315,335,1977,2001]" pageId="26" pageNumber="283">G</emphasis>
); Maxilla 1 (
<emphasis id="B917EAA91618FF8FFE39F80539C89F8D" bold="true" box="[472,492,1977,2001]" pageId="26" pageNumber="283">H</emphasis>
); Maxilla 2 (
<emphasis id="B917EAA91618FF8FFD97F8053AA49F8D" bold="true" box="[630,640,1977,2001]" pageId="26" pageNumber="283">I</emphasis>
); Maxilliped (
<emphasis id="B917EAA91618FF8FFCF7F8053B079F8D" bold="true" box="[790,803,1977,2001]" pageId="26" pageNumber="283">J</emphasis>
). Scale bars: 2.0 mm (
<emphasis id="B917EAA91618FF8FFBEEF8053C059F8D" bold="true" box="[1039,1057,1977,2001]" pageId="26" pageNumber="283">A</emphasis>
); 0.5 mm (
<emphasis id="B917EAA91618FF8FFB76F8053CE39F8D" bold="true" box="[1175,1223,1977,2001]" pageId="26" pageNumber="283">B–C</emphasis>
); 0.2 mm (
<emphasis id="B917EAA91618FF8FFADCF8053D429F8D" bold="true" box="[1341,1382,1977,2001]" pageId="26" pageNumber="283">D–I</emphasis>
); 0.5 mm (
<emphasis id="B917EAA91618FF8FFF2CF86138FE9FA9" bold="true" box="[205,218,2013,2037]" pageId="26" pageNumber="283">J</emphasis>
).
</paragraph>
</caption>
<caption id="DF1C66331619FF8EFF76F82B3AEE9FAB" ID-DOI="http://doi.org/10.5281/zenodo.4761763" ID-Zenodo-Dep="4761763" httpUri="https://zenodo.org/record/4761763/files/figure.png" pageId="27" pageNumber="284" startId="27.[151,250,1943,1967]" targetBox="[188,1400,181,1919]" targetPageId="27">
<paragraph id="8BDC36BB1619FF8EFF76F82B3AEE9FAB" blockId="27.[151,1436,1943,2040]" pageId="27" pageNumber="284">
<emphasis id="B917EAA91619FF8EFF76F82B393B9FF3" bold="true" box="[151,287,1943,1967]" pageId="27" pageNumber="284">FIGURE 16.</emphasis>
<taxonomicName id="4C634D381619FF8EFEC4F82439C09FEC" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[293,484,1944,1968]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="27" pageNumber="284" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA91619FF8EFEC4F82439C09FEC" box="[293,484,1944,1968]" italics="true" pageId="27" pageNumber="284">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA91619FF8EFE0BF8243A069FEC" bold="true" box="[490,546,1944,1968]" pageId="27" pageNumber="284">
<taxonomicNameLabel id="A22457D21619FF8EFE0BF8243A069FEC" box="[490,546,1944,1968]" pageId="27" pageNumber="284" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
, municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Gnathopod 1 (
<emphasis id="B917EAA91619FF8EFDAFF8073A449F8F" bold="true" box="[590,608,1979,2003]" pageId="27" pageNumber="284">A</emphasis>
); Detail of the carpus, propodus and dactylus (
<emphasis id="B917EAA91619FF8EFBDDF8003C699F88" bold="true" box="[1084,1101,1980,2004]" pageId="27" pageNumber="284">B</emphasis>
); Gnathopod 2 (
<emphasis id="B917EAA91619FF8EFB14F8073D239F8F" bold="true" box="[1269,1287,1979,2003]" pageId="27" pageNumber="284">C</emphasis>
); Detail of the carpus, propodus and dactylus (
<emphasis id="B917EAA91619FF8EFE38F85C39CF9FA4" bold="true" box="[473,491,2016,2040]" pageId="27" pageNumber="284">D</emphasis>
). Scale bars: 0.5 mm.
</paragraph>
</caption>
<caption id="DF1C6633161EFF89FF76F82B39079FAB" ID-DOI="http://doi.org/10.5281/zenodo.4761765" ID-Zenodo-Dep="4761765" httpUri="https://zenodo.org/record/4761765/files/figure.png" pageId="28" pageNumber="285" startId="28.[151,250,1943,1967]" targetBox="[195,1392,181,1919]" targetPageId="28">
<paragraph id="8BDC36BB161EFF89FF76F82B39079FAB" blockId="28.[151,1436,1943,2040]" pageId="28" pageNumber="285">
<emphasis id="B917EAA9161EFF89FF76F82B39059FF3" bold="true" box="[151,289,1943,1967]" pageId="28" pageNumber="285">FIGURE 17.</emphasis>
<taxonomicName id="4C634D38161EFF89FEC8F82439CF9FEC" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[297,491,1944,1968]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="28" pageNumber="285" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161EFF89FEC8F82439CF9FEC" box="[297,491,1944,1968]" italics="true" pageId="28" pageNumber="285">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161EFF89FE13F8243A099FEC" bold="true" box="[498,557,1944,1968]" pageId="28" pageNumber="285">
<taxonomicNameLabel id="A22457D2161EFF89FE13F8243A099FEC" box="[498,557,1944,1968]" pageId="28" pageNumber="285" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
, municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Peraeopod 3 (
<emphasis id="B917EAA9161EFF89FD91F8073AA69F8F" bold="true" box="[624,642,1979,2003]" pageId="28" pageNumber="285">A</emphasis>
); Peraeopod 4 (
<emphasis id="B917EAA9161EFF89FCC4F8003B129F88" bold="true" box="[805,822,1980,2004]" pageId="28" pageNumber="285">B</emphasis>
); Peraeopod 5 (
<emphasis id="B917EAA9161EFF89FC36F8073BCD9F8F" bold="true" box="[983,1001,1979,2003]" pageId="28" pageNumber="285">C</emphasis>
); Peraeopod 6 (
<emphasis id="B917EAA9161EFF89FB6AF8003CB99F88" bold="true" box="[1163,1181,1980,2004]" pageId="28" pageNumber="285">D</emphasis>
); Peraeopod 7 (
<emphasis id="B917EAA9161EFF89FAA1F8003D759F88" bold="true" box="[1344,1361,1980,2004]" pageId="28" pageNumber="285">E</emphasis>
). Scale bars: 0.5 mm.
</paragraph>
</caption>
<caption id="DF1C6633161FFF88FF76F82B3A1D9FA4" ID-DOI="http://doi.org/10.5281/zenodo.4761767" ID-Zenodo-Dep="4761767" httpUri="https://zenodo.org/record/4761767/files/figure.png" pageId="29" pageNumber="286" startId="29.[151,250,1943,1967]" targetBox="[185,1403,181,1919]" targetPageId="29">
<paragraph id="8BDC36BB161FFF88FF76F82B3A1D9FA4" blockId="29.[151,1436,1943,2040]" pageId="29" pageNumber="286">
<emphasis id="B917EAA9161FFF88FF76F82B39059FF3" bold="true" box="[151,289,1943,1967]" pageId="29" pageNumber="286">FIGURE 18.</emphasis>
<taxonomicName id="4C634D38161FFF88FEC8F82439CF9FEC" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[297,491,1944,1968]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="29" pageNumber="286" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161FFF88FEC8F82439CF9FEC" box="[297,491,1944,1968]" italics="true" pageId="29" pageNumber="286">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161FFF88FE13F8243A099FEC" bold="true" box="[498,557,1944,1968]" pageId="29" pageNumber="286">
<taxonomicNameLabel id="A22457D2161FFF88FE13F8243A099FEC" box="[498,557,1944,1968]" pageId="29" pageNumber="286" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
, municipality of Passo de Torres, Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype male, 5.0 mm. Pleopods (
<emphasis id="B917EAA9161FFF88FDAFF8073A449F8F" bold="true" box="[590,608,1979,2003]" pageId="29" pageNumber="286">A</emphasis>
); Uropod 1 (
<emphasis id="B917EAA9161FFF88FD02F8003AD09F88" bold="true" box="[739,756,1980,2004]" pageId="29" pageNumber="286">B</emphasis>
); Uropod 2 (
<emphasis id="B917EAA9161FFF88FC99F8073BAE9F8F" bold="true" box="[888,906,1979,2003]" pageId="29" pageNumber="286">C</emphasis>
); Uropod 3 (
<emphasis id="B917EAA9161FFF88FBECF8003C3B9F88" bold="true" box="[1037,1055,1980,2004]" pageId="29" pageNumber="286">D</emphasis>
); Telson (
<emphasis id="B917EAA9161FFF88FB67F8003CB39F88" bold="true" box="[1158,1175,1980,2004]" pageId="29" pageNumber="286">E</emphasis>
). Scale bars: 0.5 mm (
<emphasis id="B917EAA9161FFF88FA9BF8073DA89F8F" bold="true" box="[1402,1420,1979,2003]" pageId="29" pageNumber="286">A</emphasis>
); 0.3 mm (
<emphasis id="B917EAA9161FFF88FF12F85C39079FAB" bold="true" box="[243,291,2015,2040]" pageId="29" pageNumber="286">B–C</emphasis>
); 0.2 mm (
<emphasis id="B917EAA9161FFF88FE74F85C39839FA4" bold="true" box="[405,423,2016,2040]" pageId="29" pageNumber="286">D</emphasis>
); 0.1 mm (
<emphasis id="B917EAA9161FFF88FDF8F85C3A0E9FA4" bold="true" box="[537,554,2016,2040]" pageId="29" pageNumber="286">E</emphasis>
).
</paragraph>
</caption>
<caption id="DF1C6633161CFF8BFF76F82B3C219FAB" ID-DOI="http://doi.org/10.5281/zenodo.4761769" ID-Zenodo-Dep="4761769" httpUri="https://zenodo.org/record/4761769/files/figure.png" pageId="30" pageNumber="287" startId="30.[151,250,1943,1967]" targetBox="[197,1390,181,1919]" targetPageId="30">
<paragraph id="8BDC36BB161CFF8BFF76F82B3C219FAB" blockId="30.[151,1436,1943,2040]" pageId="30" pageNumber="287">
<emphasis id="B917EAA9161CFF8BFF76F82B393B9FF3" bold="true" box="[151,287,1943,1967]" pageId="30" pageNumber="287">FIGURE 19.</emphasis>
<taxonomicName id="4C634D38161CFF8BFEC4F82439C19FEC" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[293,485,1944,1968]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="287" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161CFF8BFEC4F82439C19FEC" box="[293,485,1944,1968]" italics="true" pageId="30" pageNumber="287">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161CFF8BFE0AF8243A009FEC" bold="true" box="[491,548,1944,1968]" pageId="30" pageNumber="287">
<taxonomicNameLabel id="A22457D2161CFF8BFE0AF8243A009FEC" box="[491,548,1944,1968]" pageId="30" pageNumber="287" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
, municipality of Passo de Torres Santa Catarina State, Brazil (29º 32’ 08” S, 49º 72’ 39” W). Paratype female, 4.3 mm. Antenna 1 (
<emphasis id="B917EAA9161CFF8BFDA1F8073A769F8F" bold="true" box="[576,594,1979,2003]" pageId="30" pageNumber="287">A</emphasis>
); Antenna 2 (
<emphasis id="B917EAA9161CFF8BFD3AF8003AC89F88" bold="true" box="[731,748,1980,2004]" pageId="30" pageNumber="287">B</emphasis>
); Gnathopod 1 (
<emphasis id="B917EAA9161CFF8BFC73F8073B809F8F" bold="true" box="[914,932,1979,2003]" pageId="30" pageNumber="287">C</emphasis>
); Detail of the carpus, propodus and dactylus (
<emphasis id="B917EAA9161CFF8BFA9BF8003DA89F88" bold="true" box="[1402,1420,1980,2004]" pageId="30" pageNumber="287">D</emphasis>
); Gnathopod 2 (
<emphasis id="B917EAA9161CFF8BFECBF85C391F9FA4" bold="true" box="[298,315,2016,2040]" pageId="30" pageNumber="287">E</emphasis>
); Detail of the carpus, propodus and dactylus (
<emphasis id="B917EAA9161CFF8BFCF6F85C3B029FA4" bold="true" box="[791,806,2016,2040]" pageId="30" pageNumber="287">F</emphasis>
). Scale bars: 0.5 mm.
</paragraph>
</caption>
<paragraph id="8BDC36BB161DFF8AFF26FE9B3A7C998D" blockId="31.[151,1437,151,933]" pageId="31" pageNumber="288">
<taxonomicName id="4C634D38161DFF8AFF26FE9B3988991C" authorityName="Penoni &amp; Bueno" authorityYear="2020" box="[199,428,295,321]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="288" phylum="Arthropoda" rank="species" species="rioantensis">
<emphasis id="B917EAA9161DFF8AFF26FE9B3988991C" box="[199,428,295,321]" italics="true" pageId="31" pageNumber="288">Hyalella rioantensis</emphasis>
</taxonomicName>
differs from 
<taxonomicName id="4C634D38161DFF8AFDA4FE9B3B3F991D" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[581,795,295,321]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="288" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161DFF8AFDA4FE9B3B3F991D" box="[581,795,295,321]" italics="true" pageId="31" pageNumber="288">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161DFF8AFCC5FE9B3B40991D" bold="true" box="[804,868,295,321]" pageId="31" pageNumber="288">
<taxonomicNameLabel id="A22457D2161DFF8AFCC5FE9B3B40991D" box="[804,868,295,321]" pageId="31" pageNumber="288" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
due to the presence of papposerrate setae and the absence of simple setae on the inner plate of the maxilla 2, the absence of serrate setae on the inner margin of gnathopod 1, and the number of cuspidate setae on the peduncles of uropods 1 and 2 (
<taxonomicName id="4C634D38161DFF8AFBA5FED33CC099D4" authorityName="Penoni &amp; Bueno" authorityYear="2020" box="[1092,1252,367,392]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="288" phylum="Arthropoda" rank="species" species="rioantensis">
<emphasis id="B917EAA9161DFF8AFBA5FED33CC099D4" box="[1092,1252,367,392]" italics="true" pageId="31" pageNumber="288">H. rioantensis</emphasis>
</taxonomicName>
with four to six cuspidate setae with accessory setae on the peduncle of uropod 1, and with three or four cuspidate setae with accessory setae on the peduncle of uropod 2).
</paragraph>
<paragraph id="8BDC36BB161DFF8AFF26FE673D549AD9" blockId="31.[151,1437,151,933]" pageId="31" pageNumber="288">
<taxonomicName id="4C634D38161DFF8AFF26FE6739B999A9" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[199,413,475,501]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="288" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161DFF8AFF26FE6739B999A9" box="[199,413,475,501]" italics="true" pageId="31" pageNumber="288">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161DFF8AFE44FE6739C199A9" bold="true" box="[421,485,475,501]" pageId="31" pageNumber="288">
<taxonomicNameLabel id="A22457D2161DFF8AFE44FE6739C199A9" box="[421,485,475,501]" pageId="31" pageNumber="288" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
differs from 
<taxonomicName id="4C634D38161DFF8AFD9CFE673B6C99A8" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[637,840,475,501]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="288" phylum="Arthropoda" rank="species" species="minuana" status="sp. nov.">
<emphasis id="B917EAA9161DFF8AFD9CFE673B6C99A8" box="[637,840,475,501]" italics="true" pageId="31" pageNumber="288">Hyalella minuana</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161DFF8AFCB1FE673BB499A9" bold="true" box="[848,912,475,501]" pageId="31" pageNumber="288">
<taxonomicNameLabel id="A22457D2161DFF8AFCB1FE673BB499A9" box="[848,912,475,501]" pageId="31" pageNumber="288" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
and 
<taxonomicName id="4C634D38161DFF8AFC28FE673CAA99A9" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[969,1166,475,501]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="288" phylum="Arthropoda" rank="species" species="lagoana" status="sp. nov.">
<emphasis id="B917EAA9161DFF8AFC28FE673CAA99A9" box="[969,1166,475,501]" italics="true" pageId="31" pageNumber="288">Hyalella lagoana</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161DFF8AFB77FE673CF299A9" bold="true" box="[1174,1238,475,501]" pageId="31" pageNumber="288">
<taxonomicNameLabel id="A22457D2161DFF8AFB77FE673CF299A9" box="[1174,1238,475,501]" pageId="31" pageNumber="288" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
in the number of serrate setae on the inner surface of gnathopod 1 (nine serrate setae on 
<taxonomicName id="4C634D38161DFF8AFC5BFE433CA19A44" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[954,1157,511,537]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="288" phylum="Arthropoda" rank="species" species="minuana" status="sp. nov.">
<emphasis id="B917EAA9161DFF8AFC5BFE433CA19A44" box="[954,1157,511,537]" italics="true" pageId="31" pageNumber="288">Hyalella minuana</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161DFF8AFB6DFE433CE89A45" bold="true" box="[1164,1228,511,537]" pageId="31" pageNumber="288">
<taxonomicNameLabel id="A22457D2161DFF8AFB6DFE433CE89A45" box="[1164,1228,511,537]" pageId="31" pageNumber="288" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
; four serrate setae on 
<taxonomicName id="4C634D38161DFF8AFF5BFD9F395A9A61" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[186,382,547,573]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="288" phylum="Arthropoda" rank="species" species="lagoana" status="sp. nov.">
<emphasis id="B917EAA9161DFF8AFF5BFD9F395A9A61" box="[186,382,547,573]" italics="true" pageId="31" pageNumber="288">Hyalella lagoana</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161DFF8AFE64FD9F39E09A61" bold="true" box="[389,452,547,573]" pageId="31" pageNumber="288">
<taxonomicNameLabel id="A22457D2161DFF8AFE64FD9F39E09A61" box="[389,452,547,573]" pageId="31" pageNumber="288" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
); the number of cuspidate setae on the inner ramus of uropod 2 (two cuspidate setae on 
<taxonomicName id="4C634D38161DFF8AFF76FDFB394F9A3D" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[151,363,583,609]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="288" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161DFF8AFF76FDFB394F9A3D" box="[151,363,583,609]" italics="true" pageId="31" pageNumber="288">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161DFF8AFE90FDFB398B9A3D" bold="true" box="[369,431,583,609]" pageId="31" pageNumber="288">
<taxonomicNameLabel id="A22457D2161DFF8AFE90FDFB398B9A3D" box="[369,431,583,609]" pageId="31" pageNumber="288" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
; three cuspidate setae on 
<taxonomicName id="4C634D38161DFF8AFD2CFDFB3BB29A3C" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[717,918,583,609]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="288" phylum="Arthropoda" rank="species" species="minuana" status="sp. nov.">
<emphasis id="B917EAA9161DFF8AFD2CFDFB3BB29A3C" box="[717,918,583,609]" italics="true" pageId="31" pageNumber="288">Hyalella minuana</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161DFF8AFC7DFDFB3BFE9A3D" bold="true" box="[924,986,583,609]" pageId="31" pageNumber="288">
<taxonomicNameLabel id="A22457D2161DFF8AFC7DFDFB3BFE9A3D" box="[924,986,583,609]" pageId="31" pageNumber="288" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
and 
<taxonomicName id="4C634D38161DFF8AFBF1FDFB3CF79A3D" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[1040,1235,583,609]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="288" phylum="Arthropoda" rank="species" species="lagoana" status="sp. nov.">
<emphasis id="B917EAA9161DFF8AFBF1FDFB3CF79A3D" box="[1040,1235,583,609]" italics="true" pageId="31" pageNumber="288">Hyalella lagoana</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161DFF8AFB38FDFB3D339A3D" bold="true" box="[1241,1303,583,609]" pageId="31" pageNumber="288">
<taxonomicNameLabel id="A22457D2161DFF8AFB38FDFB3D339A3D" box="[1241,1303,583,609]" pageId="31" pageNumber="288" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
); and in the format of telson, besides the presence of plumose setae in margins of the telson only 
<taxonomicName id="4C634D38161DFF8AFBAFFDD73D079AD9" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[1102,1315,619,645]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="288" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161DFF8AFBAFFDD73D079AD9" box="[1102,1315,619,645]" italics="true" pageId="31" pageNumber="288">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161DFF8AFACBFDD73D4C9AD9" bold="true" box="[1322,1384,619,645]" pageId="31" pageNumber="288">
<taxonomicNameLabel id="A22457D2161DFF8AFACBFDD73D4C9AD9" box="[1322,1384,619,645]" pageId="31" pageNumber="288" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
.
</paragraph>
<paragraph id="8BDC36BB161DFF8AFF26FD32397E9BF9" blockId="31.[151,1437,151,933]" pageId="31" pageNumber="288">
<emphasis id="B917EAA9161DFF8AFF26FD3239459AF4" bold="true" box="[199,353,654,680]" pageId="31" pageNumber="288">Distribution.</emphasis>
The distribution of 
<taxonomicName id="4C634D38161DFF8AFDDAFD333AD79AF5" box="[571,755,655,681]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="288" phylum="Arthropoda" rank="species" species="undetermined">
<emphasis id="B917EAA9161DFF8AFDDAFD333ABF9AF5" box="[571,667,655,681]" italics="true" pageId="31" pageNumber="288">Hyalella</emphasis>
species
</taxonomicName>
in wetlands along the southern Brazilian Coastal Plain (states of 
<collectingRegion id="49A7F859161DFF8AFF54FD0F397D9A91" box="[181,345,691,717]" country="Brazil" name="Santa Catarina" pageId="31" pageNumber="288">Santa Catarina</collectingRegion>
and the 
<collectingRegion id="49A7F859161DFF8AFE56FD0F3AAD9A92" box="[439,649,691,718]" country="Brazil" name="Rio Grande do Sul" pageId="31" pageNumber="288">Rio Grande do Sul</collectingRegion>
) is structured according to the freshwater ecoregions and biomes present in the region (
<figureCitation id="13582A3E161DFF8AFEBFFD6B39849AAD" box="[350,416,727,753]" captionStart="FIGURE 1" captionStartId="2.[151,250,1256,1280]" captionTargetBox="[159,1429,187,1221]" captionTargetId="figure-21@2.[151,1436,181,1232]" captionTargetPageId="2" captionText="FIGURE 1. Map showing the geographical location of the study area and the sampling sites." figureDoi="http://doi.org/10.5281/zenodo.4761720" httpUri="https://zenodo.org/record/4761720/files/figure.png" pageId="31" pageNumber="288">Fig. 1</figureCitation>
). 
<taxonomicName id="4C634D38161DFF8AFE59FD6B3AA69AAC" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[440,642,727,753]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="288" phylum="Arthropoda" rank="species" species="minuana" status="sp. nov.">
<emphasis id="B917EAA9161DFF8AFE59FD6B3AA69AAC" box="[440,642,727,753]" italics="true" pageId="31" pageNumber="288">Hyalella minuana</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161DFF8AFD68FD6B3AEC9AAD" bold="true" box="[649,712,727,753]" pageId="31" pageNumber="288">
<taxonomicNameLabel id="A22457D2161DFF8AFD68FD6B3AEC9AAD" box="[649,712,727,753]" pageId="31" pageNumber="288" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
occurred exclusively in the Pampa biome and Laguna dos Patos hydrographic ecoregion, while 
<taxonomicName id="4C634D38161DFF8AFE18FD473AEA9B49" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[505,718,763,789]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="288" phylum="Arthropoda" rank="species" species="sambaqui" status="sp. nov.">
<emphasis id="B917EAA9161DFF8AFE18FD473AEA9B49" box="[505,718,763,789]" italics="true" pageId="31" pageNumber="288">Hyalella sambaqui</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161DFF8AFD37FD473B329B49" bold="true" box="[726,790,763,789]" pageId="31" pageNumber="288">
<taxonomicNameLabel id="A22457D2161DFF8AFD37FD473B329B49" box="[726,790,763,789]" pageId="31" pageNumber="288" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
occurred exclusively in the Atlantic Forest biome and in two freshwater ecoregions (Southeastern Mata Atlântica and Tramandaí-Mampituba). 
<taxonomicName id="4C634D38161DFF8AFB85FCA33D0D9B65" authority="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian, 2021" authorityName="Talhaferro &amp; Bueno &amp; Pires &amp; Stenert &amp; Maltchik &amp; Kotzian" authorityYear="2021" box="[1124,1321,799,825]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="288" phylum="Arthropoda" rank="species" species="lagoana" status="sp. nov.">
<emphasis id="B917EAA9161DFF8AFB85FCA33D0D9B65" box="[1124,1321,799,825]" italics="true" pageId="31" pageNumber="288">Hyalella lagoana</emphasis>
</taxonomicName>
<emphasis id="B917EAA9161DFF8AFAD1FCA33D549B65" bold="true" box="[1328,1392,799,825]" pageId="31" pageNumber="288">
<taxonomicNameLabel id="A22457D2161DFF8AFAD1FCA33D549B65" box="[1328,1392,799,825]" pageId="31" pageNumber="288" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
occurred along the transition between Atlantic Forest and Pampa biomes and the in two ecoregions (Laguna dos Patos and Southeastern Mata Atlântica). Finally, no 
<taxonomicName id="4C634D38161DFF8AFD79FCDB3B749BDD" box="[664,848,871,897]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="31" pageNumber="288" phylum="Arthropoda" rank="species" species="undetermined">
<emphasis id="B917EAA9161DFF8AFD79FCDB3ADC9BDD" box="[664,760,871,897]" italics="true" pageId="31" pageNumber="288">Hyalella</emphasis>
species
</taxonomicName>
recorded in the study occurred in sympatry with any of the other ones.
</paragraph>
</subSubSection>
</treatment>
</document>