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<document id="0F3CB511BBDFE4278F7C281E44171216" ID-DOI="10.11646/zootaxa.3861.1.5" ID-GBIF-Dataset="a5267205-b7b4-436c-8e6c-b6be2bb22695" ID-ISSN="1175-5326" ID-Zenodo-Dep="230115" ID-ZooBank="BBDD80D8-59DA-40BD-B50E-431A8648C0BC" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460908904766" checkinUser="plazi" docAuthor="Poore, Gary C. B." docDate="2014" docId="03F50D68FFC35E7FFF61F981FBABF86E" docLanguage="en" docName="zt03861p090.pdf" docOrigin="Zootaxa 3861 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Naxia atlantica Poore, 2014, n. sp." docType="treatment" docVersion="8" masterDocId="FFCC7510FFC15E7CFFF6FF9AFFE1FFFA" masterDocTitle="A new species of Naxia Latreille, 1825 (Brachyura: Majidae) from deep water off Brazil" updateTime="1698361050112" updateUser="plazi">
<mods:mods id="E2386A85BE06247738C11771C8F254E5" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="6A8951ED7BC56F3A71653B58E26C53E2">
<mods:title id="C336798DCF53A9784F5004E266EF49AA">A new species of Naxia Latreille, 1825 (Brachyura: Majidae) from deep water off Brazil</mods:title>
</mods:titleInfo>
<mods:name id="3F617EAD0A9DEB51F8D2D7CDC749591B" type="personal">
<mods:role id="617F6F73F2777F9E52C0EDFE28704133">
<mods:roleTerm id="FD0399DDD83F27CFE64065A318783FC1">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="1B426B05BA4407A928A25E59C1B2FC79">Poore, Gary C. B.</mods:namePart>
</mods:name>
<mods:typeOfResource id="D983F623527BCA9280D281D332072859">text</mods:typeOfResource>
<mods:relatedItem id="7B6F7700A24C4A7A7F4894F72815577F" type="host">
<mods:titleInfo id="5A6827C8D97C3E90BE95B655DAA17DCE">
<mods:title id="2F790E756D853E61CBD0BF7C5A516107">Zootaxa</mods:title>
</mods:titleInfo>
<mods:part id="72D5FA3CD5E0B408479DD69280DE453D">
<mods:date id="312EC5B2A9152E8429889E20DC1B12B4">2014</mods:date>
<mods:detail id="C44916A1C586E367B0ED9916A68436A8" type="volume">
<mods:number id="519F40AFC85D157017A6495FAA418A87">3861</mods:number>
</mods:detail>
<mods:detail id="CEF2A45D540B83C58C3C478DDEBA9F87" type="issue">
<mods:number id="921EE0008F33FBD15252127EAC39E6C4">1</mods:number>
</mods:detail>
</mods:part>
</mods:relatedItem>
<mods:classification id="1E966CADD403A61129869DFC0432503B">journal volume</mods:classification>
<mods:identifier id="F851CD4CBF4CAC444404B7BFE8272541" type="DOI">10.11646/zootaxa.3861.1.5</mods:identifier>
<mods:identifier id="C1114A3BADDB65D3277832438C491570" type="GBIF-Dataset">a5267205-b7b4-436c-8e6c-b6be2bb22695</mods:identifier>
<mods:identifier id="CA5650433DE44D58CC37656AFE4FA70B" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="935FEDBB997EA0A22FACFCDF1C147E58" type="Zenodo-Dep">230115</mods:identifier>
<mods:identifier id="5FFF95212690B2AA58733C94B105397C" type="ZooBank">BBDD80D8-59DA-40BD-B50E-431A8648C0BC</mods:identifier>
</mods:mods>
<treatment id="03F50D68FFC35E7FFF61F981FBABF86E" ID-DOI="http://doi.org/10.5281/zenodo.6140756" ID-GBIF-Taxon="119588300" ID-Zenodo-Dep="6140756" LSID="urn:lsid:plazi:treatment:03F50D68FFC35E7FFF61F981FBABF86E" httpUri="http://treatment.plazi.org/id/03F50D68FFC35E7FFF61F981FBABF86E" lastPageId="3" pageId="2">
<subSubSection id="C346EFF5FFC35E7EFF61F981FEFCF9AD" pageId="2" type="nomenclature">
<paragraph id="8BE3BC7EFFC35E7EFF61F981FE7AF9CF" blockId="2.[151,411,1563,1623]" box="[151,411,1563,1589]" pageId="2">
<heading id="D0AB0B12FFC35E7EFF61F981FE7AF9CF" bold="true" box="[151,411,1563,1589]" fontSize="11" level="1" pageId="2" reason="1">
<emphasis id="B928606CFFC35E7EFF61F981FE7AF9CF" bold="true" box="[151,411,1563,1589]" pageId="2">
<taxonomicName id="4C5CC7FDFFC35E7EFF61F981FEB0F9CF" ID-CoL="45X4T" box="[151,337,1563,1589]" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="2" phylum="Arthropoda" rank="species" species="atlantica" status="sp. nov.">
<emphasis id="B928606CFFC35E7EFF61F981FEB0F9CF" bold="true" box="[151,337,1563,1589]" italics="true" pageId="2">Naxia atlantica</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A21BDD17FFC35E7EFEAFF981FE7AF9CF" box="[345,411,1563,1589]" pageId="2" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8BE3BC7EFFC35E7EFF61F9A4FEFCF9AD" blockId="2.[151,411,1563,1623]" box="[151,285,1598,1623]" pageId="2">
(
<figureCitation id="1367A0FBFFC35E7EFF69F9A4FF04F9AD" box="[159,229,1598,1623]" captionStart="FIGURE 1" captionStartId="1.[151,250,1706,1728]" captionTargetBox="[315,1267,531,1672]" captionTargetId="figure@1.[302,1285,519,1681]" captionTargetPageId="1" captionText="FIGURE 1. Naxia atlantica n. sp., holotype male, cl 23.2 mm (MZUSP 32370). Habitus, dorsal view (appendages from the right side omitted). Abdominal somites 1 6 and telson (1 6, T). Left margin of male sterno-abdominal cavity on sternites 4 6 (S 4 S 6). Right maxilliped 3, dorsal view (Mxp 3). Left cheliped, lateral view (P 1). Left dactyli and propodi of pereopods 2 5 (P 2 P 5). Profile of the dorsal surface of rostrum and carapace, lateral view." httpUri="https://zenodo.org/record/230116/files/figure.png" pageId="2">Figs 1</figureCitation>
,
<figureCitation id="1367A0FBFFC35E7EFF05F9A5FEF4F9AD" box="[243,277,1599,1623]" captionStart="FIGURE 2. A C" captionStartId="2.[151,250,1379,1401]" captionTargetBox="[156,1431,193,1357]" captionTargetId="figure@2.[155,1432,193,1358]" captionTargetPageId="2" captionText="FIGURE 2. A C, habitus, dorsal view. D, E, dactyli and propodi of right pereopod 5, lateral view. A, Naxia aries (H. Milne Edwards, 1834): male cl 31 mm (MZUSP 32366). B, Naxia atlantica n. sp., holotype male, cl 23.2 mm (MZUSP 32370). C, D, Naxia aurita (Latreille, 1825): female cl 47 mm (USNM 76543). E, Naxia tumida (Dana, 1851): male cl 30 mm (USNM 64728). Scale bars: D, 13 mm. E, 4 mm." httpUri="https://zenodo.org/record/230117/files/figure.png" pageId="2">2B</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C346EFF5FFC35E7EFF61F91CFD74F819" pageId="2" type="materials_examined">
<paragraph id="8BE3BC7EFFC35E7EFF61F91CFD9BF938" blockId="2.[151,1437,1670,2019]" pageId="2">
<emphasis id="B928606CFFC35E7EFF61F91CFEA1F965" bold="true" box="[151,320,1670,1695]" pageId="2">
<typeStatus id="54E702DCFFC35E7EFF61F91CFF31F965" box="[151,208,1670,1695]" pageId="2">Type</typeStatus>
Material
</emphasis>
.
<typeStatus id="54E702DCFFC35E7EFEBBF91CFE58F965" box="[333,441,1670,1695]" pageId="2" type="holotype">Holotype</typeStatus>
. Off the coast of São Paulo,
<collectingCountry id="F34BFCEEFFC35E7EFD05F91CFCDBF965" box="[755,826,1670,1695]" name="Brazil" pageId="2">Brazil</collectingCountry>
, REVIZEE SUL, stn 6670,
<date id="FFE29ABEFFC35E7EFB99F91DFAE6F965" box="[1135,1287,1671,1695]" pageId="2" value="1998-11-11">
11 Nov.
<quantity id="4CA4119BFFC35E7EFB3AF91DFAE6F965" box="[1228,1287,1671,1695]" metricMagnitude="6" metricUnit="m" metricValue="1.998503" pageId="2" unit="m" value="1998503.0">1998</quantity>
</date>
, 503 m: male cl
<quantity id="4CA4119BFFC35E7EFF44F930FEF9F938" box="[178,280,1706,1730]" metricMagnitude="-2" metricUnit="m" metricValue="2.32" pageId="2" unit="mm" value="23.2">23.2 mm</quantity>
, cw 13.0 mm (
<collectionCode id="ED4D24BBFFC35E7EFE4BF930FDFDF938" box="[445,540,1706,1730]" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="2">MZUSP</collectionCode>
32370).
</paragraph>
<paragraph id="8BE3BC7EFFC35E7EFF31F954FD19F8F1" blockId="2.[151,1437,1670,2019]" pageId="2">
<emphasis id="B928606CFFC35E7EFF31F954FE39F91D" bold="true" box="[199,472,1742,1767]" pageId="2">Comparative material.</emphasis>
<taxonomicName id="4C5CC7FDFFC35E7EFE29F955FC74F91D" authority="H. Milne Edwards, 1834" authorityName="H. Milne Edwards" authorityYear="1834" box="[479,917,1742,1767]" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="2" phylum="Arthropoda" rank="species" species="aries">
<emphasis id="B928606CFFC35E7EFE29F955FD83F91C" box="[479,610,1743,1766]" italics="true" pageId="2">Naxia aries</emphasis>
(H. Milne Edwards, 1834)
</taxonomicName>
:
<collectingCountry id="F34BFCEEFFC35E7EFC57F954FBEBF91D" box="[929,1034,1742,1767]" name="Australia" pageId="2">Australia</collectingCountry>
, Bass Strait,
<geoCoordinate id="EE68DAB9FFC35E7EFB6BF954FAEDF91D" box="[1181,1292,1742,1767]" direction="south" orientation="latitude" pageId="2" precision="92" value="-40.103333">40°06.2'S</geoCoordinate>
,
<geoCoordinate id="EE68DAB9FFC35E7EFAEEF954FA79F91D" box="[1304,1432,1742,1767]" direction="east" orientation="longitude" pageId="2" precision="92" value="148.41667">148°25.0'E</geoCoordinate>
, coarse shell,
<quantity id="4CA4119BFFC35E7EFEDEF968FE84F8F0" box="[296,357,1778,1802]" metricMagnitude="1" metricUnit="m" metricValue="2.2" pageId="2" unit="m" value="22.0">22 m</quantity>
:
<specimenCount id="9D5A77F7FFC35E7EFE86F968FE5AF8F1" box="[368,443,1778,1803]" pageId="2" type="male">1 male</specimenCount>
cl
<quantity id="4CA4119BFFC35E7EFE28F968FDCDF8F0" box="[478,556,1778,1802]" metricMagnitude="-2" metricUnit="m" metricValue="3.1" pageId="2" unit="mm" value="31.0">31 mm</quantity>
(
<collectionCode id="ED4D24BBFFC35E7EFDCDF968FD7BF8F0" box="[571,666,1778,1802]" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="2">MZUSP</collectionCode>
32366).
</paragraph>
<paragraph id="8BE3BC7EFFC35E7EFF31F88DFBEBF8A9" blockId="2.[151,1437,1670,2019]" pageId="2">
<taxonomicName id="4C5CC7FDFFC35E7EFF31F88DFDFBF8D5" authority="Latreille, 1825" authorityName="Latreille" authorityYear="1825" box="[199,538,1814,1839]" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="2" phylum="Arthropoda" rank="species" species="aurita">
<emphasis id="B928606CFFC35E7EFF31F88DFEB7F8D4" box="[199,342,1815,1838]" italics="true" pageId="2">Naxia aurita</emphasis>
(Latreille, 1825)
</taxonomicName>
:
<collectingCountry id="F34BFCEEFFC35E7EFDD3F88CFD6EF8D5" box="[549,655,1814,1839]" name="Australia" pageId="2">Australia</collectingCountry>
, Victoria, Port Phillip, off Swan Island, dredged in less than
<quantity id="4CA4119BFFC35E7EFAC8F88DFA62F8D4" box="[1342,1411,1815,1839]" metricMagnitude="0" metricUnit="m" metricValue="1.8" pageId="2" unit="m" value="1.8">1.8 m</quantity>
:
<specimenCount id="9D5A77F7FFC35E7EFA78F88DFF02F8A9" pageId="2" type="female">1 female</specimenCount>
cl
<quantity id="4CA4119BFFC35E7EFEF3F8A0FEB5F8A8" box="[261,340,1850,1874]" metricMagnitude="-2" metricUnit="m" metricValue="4.7" pageId="2" unit="mm" value="47.0">47 mm</quantity>
(
<collectionCode id="ED4D24BBFFC35E7EFE94F8A0FE55F8A8" LSID="urn:lsid:biocol.org:col:34871" box="[354,436,1850,1874]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="2">USNM</collectionCode>
76543). Victoria:
<specimenCount id="9D5A77F7FFC35E7EFD74F8A0FD2CF8A9" box="[642,717,1850,1875]" pageId="2" type="male">1 male</specimenCount>
cl
<quantity id="4CA4119BFFC35E7EFD06F8A0FCDEF8A8" box="[752,831,1850,1875]" metricMagnitude="-2" metricUnit="m" metricValue="4.5" pageId="2" unit="mm" value="45.0">45 mm</quantity>
(
<collectionCode id="ED4D24BBFFC35E7EFCBBF8A0FC4DF8A8" box="[845,940,1850,1874]" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="2">MZUSP</collectionCode>
32369).
</paragraph>
<paragraph id="8BE3BC7EFFC35E7EFF31F8C5FAF0F88D" blockId="2.[151,1437,1670,2019]" box="[199,1297,1886,1911]" pageId="2">
<taxonomicName id="4C5CC7FDFFC35E7EFF31F8C5FDE0F88D" authority="Hess, 1865" authorityName="Hess" authorityYear="1865" box="[199,513,1886,1911]" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="2" phylum="Arthropoda" rank="species" species="spinosa">
<emphasis id="B928606CFFC35E7EFF31F8C5FE86F88C" box="[199,359,1887,1910]" italics="true" pageId="2">Naxia spinosa</emphasis>
(Hess, 1865)
</taxonomicName>
:
<collectingCountry id="F34BFCEEFFC35E7EFDFDF8C4FD95F88D" box="[523,628,1886,1911]" name="Australia" pageId="2">Australia</collectingCountry>
, Victoria, Hamers Haven: male cl
<quantity id="4CA4119BFFC35E7EFC01F8C4FBA4F88C" box="[1015,1093,1886,1911]" metricMagnitude="-2" metricUnit="m" metricValue="3.6" pageId="2" unit="mm" value="36.0">36 mm</quantity>
(
<collectionCode id="ED4D24BBFFC35E7EFBA2F8C5FB52F88D" box="[1108,1203,1887,1911]" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="2">MZUSP</collectionCode>
32367).
</paragraph>
<paragraph id="8BE3BC7EFFC35E7EFF31F819FD74F819" blockId="2.[151,1437,1670,2019]" pageId="2">
<taxonomicName id="4C5CC7FDFFC35E7EFF31F819FE1DF861" authority="Dana, 1851" authorityName="Dana" authorityYear="1851" box="[199,508,1922,1947]" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="2" phylum="Arthropoda" rank="species" species="tumida">
<emphasis id="B928606CFFC35E7EFF31F819FEBFF861" box="[199,350,1922,1947]" italics="true" pageId="2">Naxia tumida</emphasis>
(Dana, 1851)
</taxonomicName>
:
<collectingCountry id="F34BFCEEFFC35E7EFDF3F818FD8EF861" box="[517,623,1922,1947]" name="Australia" pageId="2">Australia</collectingCountry>
, New South
<collectingCountry id="F34BFCEEFFC35E7EFD0BF818FCA5F861" box="[765,836,1922,1947]" name="United Kingdom" pageId="2">Wales</collectingCountry>
, Little Bay near Port Jackson, among seaweed in rock pools between tide marks:
<specimenCount id="9D5A77F7FFC35E7EFE31F83DFDF2F845" box="[455,531,1958,1983]" pageId="2" type="male">1 male</specimenCount>
cl
<quantity id="4CA4119BFFC35E7EFDC1F83DFD66F844" box="[567,647,1959,1983]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="2" unit="mm" value="30.0">30 mm</quantity>
(
<collectionCode id="ED4D24BBFFC35E7EFD60F83DFD08F845" LSID="urn:lsid:biocol.org:col:34871" box="[662,745,1959,1983]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="2">USNM</collectionCode>
64728). Victoria, Port Phillip Heads:
<specimenCount id="9D5A77F7FFC35E7EFB60F83DFB03F845" box="[1174,1250,1958,1983]" pageId="2" type="male">1 male</specimenCount>
cl
<quantity id="4CA4119BFFC35E7EFAF1F83CFAB6F844" box="[1287,1367,1958,1983]" metricMagnitude="-2" metricUnit="m" metricValue="2.6" pageId="2" unit="mm" value="26.0">26 mm</quantity>
and 1 ovigerous female cl
<quantity id="4CA4119BFFC35E7EFE8DF850FE2BF818" box="[379,458,1994,2018]" metricMagnitude="-2" metricUnit="m" metricValue="1.7" pageId="2" unit="mm" value="17.0">17 mm</quantity>
(
<collectionCode id="ED4D24BBFFC35E7EFE2EF850FDD6F818" box="[472,567,1994,2018]" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="2">MZUSP</collectionCode>
32368).
</paragraph>
</subSubSection>
<subSubSection id="C346EFF5FFC25E7FFF31FF0DFA8AFF2E" pageId="3" type="diagnosis">
<paragraph id="8BE3BC7EFFC25E7FFF31FF0DFA8AFF2E" blockId="3.[151,1437,151,1941]" pageId="3">
<emphasis id="B928606CFFC25E7FFF31FF0DFEDBFF4A" bold="true" box="[199,314,151,176]" pageId="3">Diagnosis</emphasis>
. Length:width ratios of pereopods 25 propodi 3.5, 3.1, 2.8 and 2.4 respectively. Anterolateral spine of the basal antennal article with an accessory spinule. Prehepatic spine well separated from supraorbital eave.
</paragraph>
</subSubSection>
<subSubSection id="C346EFF5FFC25E7FFF31FF45FD7BFA82" pageId="3" type="description">
<paragraph id="8BE3BC7EFFC25E7FFF31FF45FCA5FD7F" blockId="3.[151,1437,151,1941]" pageId="3">
<emphasis id="B928606CFFC25E7FFF31FF45FEB0FF02" bold="true" box="[199,337,223,248]" pageId="3">Description</emphasis>
. Carapace pyriform, postrostral carapace length 1.5 times width. Rostral spines (measured obliquely) 0.2 times as long as cl, separated basally by right-angled curve, unarmed, cylindrical, outwardly directed, ending in upturned acute spine, densely covered dorsally with hooked setae. Orbital margin with supraorbital eave produced anteriorly into rounded boss; eave armed posteriorly with strong, sharp spine separated from anterior boss by U-shaped notch. Hepatic region with 2 spines, anterior spine outwardly directed, large, sharp; posterior spine laterally directed, shorter than anterior spine; with small subhepatic spine. Dorsal surface with regions weakly defined by shallow grooves, with widely-spaced obsolete tubercles, bosses, each with few simple or hooked setae: 2 frontal bosses; protogastric regions with 3 tubercles each; 5 mesogastric; 4 metagastric; 2 urogastric; 1 low cardiac; 1 medial intestinal, 1 erect intestinal spine on mid-posterior margin of carapace. Branchial regions inflated laterally, greatest width 1.3 times width at branchial-hepatic juncture; epibranchial with 3 tubercles each; 3 mesobranchial stout, sharp spines, first largest, anteriorly directed, second smaller, third smallest, both laterally directed; metabranchial region naked.
</paragraph>
<paragraph id="8BE3BC7EFFC25E7FFF31FD15FAF1FC5F" blockId="3.[151,1437,151,1941]" pageId="3">Epistome concave, smooth; anterolateral margin of buccal cavity carinate, paired. Antennular articles unarmed; first short; second cylindrical; third gently compressed laterally, distally broadened. Antennal articles 2+3 ventrally flat, with prominent triangular distolateral spine (with microscopic subdistal lateral tooth), short ventral spine at base of article 3; remaining articles cylindrical. Eyestalk with 3 club setae, 3 longer stiff setae on small tubercle on disto-anterior margin. Cornea unpigmented; ommatidia very small, clearly recognizable. Maxilliped 3 ischium 2.4 times as long as wide, with 20 blunt teeth along mesial margin, strongly excavated distolaterally to accommodate merus, distal margin with small, incurved spine; merus with strong mesial triangular projection, exceeding mesial margin of ischium, with semicircular distolateral lobe, small distal spine.</paragraph>
<paragraph id="8BE3BC7EFFC25E7FFF31FC35FC50FBEA" blockId="3.[151,1437,151,1941]" pageId="3">Male sterno-abdominal cavity limited laterally by small, spherical tubercle at level of thoracic sternite 7, large boss at level of sternite 8. Complementary parts of abdominal locking system present, functional; thoracic sternal button adjacent to sternal suture 5/6; abdominal socket well excavated.</paragraph>
<paragraph id="8BE3BC7EFFC25E7FFF31FB86FB46FB12" blockId="3.[151,1437,151,1941]" pageId="3">Cheliped smooth; palm 10 times as long as greatest depth, tapering; fingers 0.2 times upper length of palm, each with about 15 small teeth along margins. Pereopod 2 as long as cl, others decreasing in length posteriorly to 0.9 cl (pereopod 5); merus, carpus of all walking legs cylindrical. Propodi of pereopods 4, 5 about 0.8 length of pereopods 2, 3; all propodi with strong, flat distal rounded lobe on flexor margin, more pronounced on posterior legs; 25 pereopod propodi length:width ratios 3.5, 3.1, 2.8, 2.4 respectively; oblique distal palms of propodi with dense, multiple rows of stout acute setae; dactyli curved, with small thorns along flexor face.</paragraph>
<paragraph id="8BE3BC7EFFC25E7FFF31FB6EFE92FACA" blockId="3.[151,1437,151,1941]" pageId="3">Male abdomen with 6 somites, telson; somites 12, 4, 6 with median tubercle; widest at somite 3, tapering to semicircular telson.</paragraph>
<paragraph id="8BE3BC7EFFC25E7FFF31FAA6FD7BFA82" blockId="3.[151,1437,151,1941]" pageId="3">Gonopod 1 strongly convergent at midline of thoracic sternum, gently curved outwards distally. Gonopod 2 straight, short (one fifth length of gonopod 1).</paragraph>
</subSubSection>
<subSubSection id="C346EFF5FFC25E7FFF31FA1EFEE5FA3A" pageId="3" type="etymology">
<paragraph id="8BE3BC7EFFC25E7FFF31FA1EFEE5FA3A" blockId="3.[151,1437,151,1941]" pageId="3">
<emphasis id="B928606CFFC25E7FFF31FA1EFEA7FA67" bold="true" box="[199,326,1412,1437]" pageId="3">Etymology</emphasis>
. The epithet
<taxonomicName id="4C5CC7FDFFC25E7FFE2FFA1EFD64FA67" authority="Latin" authorityName="Latin" box="[473,645,1412,1437]" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="3" phylum="Arthropoda" rank="species" species="atlantica">
<emphasis id="B928606CFFC25E7FFE2FFA1EFDDCFA67" box="[473,573,1412,1437]" italics="true" pageId="3">atlantica</emphasis>
, Latin
</taxonomicName>
feminine adjective, refers to the Atlantic Ocean where the species was collected.
</paragraph>
</subSubSection>
<subSubSection id="C346EFF5FFC25E7FFF31FA56FF04F9F2" pageId="3" type="distribution">
<paragraph id="8BE3BC7EFFC25E7FFF31FA56FF04F9F2" blockId="3.[151,1437,151,1941]" pageId="3">
<emphasis id="B928606CFFC25E7FFF31FA56FE81FA1F" bold="true" box="[199,352,1484,1509]" pageId="3">Distribution.</emphasis>
Southwestern Atlantic; known only from the
<typeStatus id="54E702DCFFC25E7FFC84FA57FC43FA1F" box="[882,930,1485,1509]" pageId="3">type</typeStatus>
locality off São Paulo,
<collectingCountry id="F34BFCEEFFC25E7FFB43FA56FB1DFA1F" box="[1205,1276,1484,1509]" name="Brazil" pageId="3">Brazil</collectingCountry>
, at a depth of
<specimenCount id="9D5A77F7FFC25E7FFF61FA75FF04F9F2" box="[151,229,1519,1544]" pageId="3" type="generic">
<quantity id="4CA4119BFFC25E7FFF61FA75FF00F9F2" box="[151,225,1519,1544]" metricMagnitude="2" metricUnit="m" metricValue="5.029999999999999" pageId="3" unit="m" value="503.0">503 m</quantity>
.
</specimenCount>
</paragraph>
</subSubSection>
<subSubSection id="C346EFF5FFC25E7FFF31F98EFBABF86E" pageId="3" type="discussion">
<paragraph id="8BE3BC7EFFC25E7FFF31F98EFBABF86E" blockId="3.[151,1437,151,1941]" pageId="3">
<emphasis id="B928606CFFC25E7FFF31F98EFEDAF9D7" bold="true" box="[199,315,1556,1581]" pageId="3">Remarks.</emphasis>
<taxonomicName id="4C5CC7FDFFC25E7FFEBEF98FFE1CF9D7" box="[328,509,1556,1581]" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="3" phylum="Arthropoda" rank="species" species="atlantica" status="sp. nov.">
<emphasis id="B928606CFFC25E7FFEBEF98FFE1CF9D7" box="[328,509,1556,1581]" italics="true" pageId="3">Naxia atlantica</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A21BDD17FFC25E7FFDFCF98EFDAEF9D7" box="[522,591,1556,1581]" pageId="3" rank="species">
<emphasis id="B928606CFFC25E7FFDFCF98EFDAEF9D7" bold="true" box="[522,591,1556,1581]" pageId="3">n. sp.</emphasis>
</taxonomicNameLabel>
superficially resembles
<taxonomicName id="4C5CC7FDFFC25E7FFC83F98FFC35F9D6" box="[885,980,1557,1580]" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="3" phylum="Arthropoda" rank="species" species="aries">
<emphasis id="B928606CFFC25E7FFC83F98FFC35F9D6" box="[885,980,1557,1580]" italics="true" pageId="3">N. aries</emphasis>
</taxonomicName>
,
<taxonomicName id="4C5CC7FDFFC25E7FFC1FF98FFB87F9D6" box="[1001,1126,1557,1580]" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="3" phylum="Arthropoda" rank="species" species="spinosa">
<emphasis id="B928606CFFC25E7FFC1FF98FFB87F9D6" box="[1001,1126,1557,1580]" italics="true" pageId="3">N. spinosa</emphasis>
</taxonomicName>
and
<taxonomicName id="4C5CC7FDFFC25E7FFB5FF98FFAFEF9D7" box="[1193,1311,1556,1581]" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="3" phylum="Arthropoda" rank="species" species="tumida">
<emphasis id="B928606CFFC25E7FFB5FF98FFAFEF9D7" box="[1193,1311,1556,1581]" italics="true" pageId="3">N. tumida</emphasis>
</taxonomicName>
in having pereopods 25 propodi strongly flattened laterally and ventrally expanded, a character that separates them from
<taxonomicName id="4C5CC7FDFFC25E7FFA74F9A3FF3AF98E" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="3" phylum="Arthropoda" rank="species" species="aurita">
<emphasis id="B928606CFFC25E7FFA74F9A3FF3AF98E" italics="true" pageId="3">N. aurita</emphasis>
</taxonomicName>
, in which the propodi of the walking legs are only slightly expanded ventrally (cf.
<figureCitation id="1367A0FBFFC25E7FFB49F9C6FAE8F98E" box="[1215,1289,1628,1653]" captionStart="FIGURE 1" captionStartId="1.[151,250,1706,1728]" captionTargetBox="[315,1267,531,1672]" captionTargetId="figure@1.[302,1285,519,1681]" captionTargetPageId="1" captionText="FIGURE 1. Naxia atlantica n. sp., holotype male, cl 23.2 mm (MZUSP 32370). Habitus, dorsal view (appendages from the right side omitted). Abdominal somites 1 6 and telson (1 6, T). Left margin of male sterno-abdominal cavity on sternites 4 6 (S 4 S 6). Right maxilliped 3, dorsal view (Mxp 3). Left cheliped, lateral view (P 1). Left dactyli and propodi of pereopods 2 5 (P 2 P 5). Profile of the dorsal surface of rostrum and carapace, lateral view." httpUri="https://zenodo.org/record/230116/files/figure.png" pageId="3">Figs 1</figureCitation>
,
<figureCitation id="1367A0FBFFC25E7FFAEDF9C6FACBF98E" box="[1307,1322,1628,1652]" captionStart="FIGURE 2. A C" captionStartId="2.[151,250,1379,1401]" captionTargetBox="[156,1431,193,1357]" captionTargetId="figure@2.[155,1432,193,1358]" captionTargetPageId="2" captionText="FIGURE 2. A C, habitus, dorsal view. D, E, dactyli and propodi of right pereopod 5, lateral view. A, Naxia aries (H. Milne Edwards, 1834): male cl 31 mm (MZUSP 32366). B, Naxia atlantica n. sp., holotype male, cl 23.2 mm (MZUSP 32370). C, D, Naxia aurita (Latreille, 1825): female cl 47 mm (USNM 76543). E, Naxia tumida (Dana, 1851): male cl 30 mm (USNM 64728). Scale bars: D, 13 mm. E, 4 mm." httpUri="https://zenodo.org/record/230117/files/figure.png" pageId="3">2</figureCitation>
D).
<taxonomicName id="4C5CC7FDFFC25E7FFAAFF9C7FF1AF962" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="3" phylum="Arthropoda" rank="species" species="atlantica" status="sp. nov.">
<emphasis id="B928606CFFC25E7FFAAFF9C7FF1AF962" italics="true" pageId="3">Naxia atlantica</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A21BDD17FFC25E7FFEF7F9E5FEA1F962" box="[257,320,1663,1688]" pageId="3" rank="species">
<emphasis id="B928606CFFC25E7FFEF7F9E5FEA1F962" bold="true" box="[257,320,1663,1688]" pageId="3">n. sp.</emphasis>
</taxonomicNameLabel>
and
<taxonomicName id="4C5CC7FDFFC25E7FFE81F91BFE07F962" box="[375,486,1663,1688]" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="3" phylum="Arthropoda" rank="species" species="tumida">
<emphasis id="B928606CFFC25E7FFE81F91BFE07F962" box="[375,486,1663,1688]" italics="true" pageId="3">N. tumida</emphasis>
</taxonomicName>
are unique in the genus in having the anterolateral spine of the basal antennal article with an accessory spinule. The new species can nevertheless be readily distinguished from
<taxonomicName id="4C5CC7FDFFC25E7FFB12F93FFAB8F947" box="[1252,1369,1700,1725]" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="3" phylum="Arthropoda" rank="species" species="tumida">
<emphasis id="B928606CFFC25E7FFB12F93FFAB8F947" box="[1252,1369,1700,1725]" italics="true" pageId="3">N. tumida</emphasis>
</taxonomicName>
by a prehepatic spine that is well separated from the supraorbital eave (prehepatic spine fused to the postorbital spine or separated from it by a narrow notch in
<taxonomicName id="4C5CC7FDFFC25E7FFDA5F977FD22F8FF" box="[595,707,1772,1797]" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="3" phylum="Arthropoda" rank="species" species="tumida">
<emphasis id="B928606CFFC25E7FFDA5F977FD22F8FF" box="[595,707,1772,1797]" italics="true" pageId="3">N. tumida</emphasis>
</taxonomicName>
) (cf.
<figureCitation id="1367A0FBFFC25E7FFCF4F976FCA8F8FE" box="[770,841,1772,1797]" captionStart="FIGURE 1" captionStartId="1.[151,250,1706,1728]" captionTargetBox="[315,1267,531,1672]" captionTargetId="figure@1.[302,1285,519,1681]" captionTargetPageId="1" captionText="FIGURE 1. Naxia atlantica n. sp., holotype male, cl 23.2 mm (MZUSP 32370). Habitus, dorsal view (appendages from the right side omitted). Abdominal somites 1 6 and telson (1 6, T). Left margin of male sterno-abdominal cavity on sternites 4 6 (S 4 S 6). Right maxilliped 3, dorsal view (Mxp 3). Left cheliped, lateral view (P 1). Left dactyli and propodi of pereopods 2 5 (P 2 P 5). Profile of the dorsal surface of rostrum and carapace, lateral view." httpUri="https://zenodo.org/record/230116/files/figure.png" pageId="3">Figs 1</figureCitation>
,
<figureCitation id="1367A0FBFFC25E7FFCAEF976FC9AF8FE" box="[856,891,1772,1796]" captionStart="FIGURE 2. A C" captionStartId="2.[151,250,1379,1401]" captionTargetBox="[156,1431,193,1357]" captionTargetId="figure@2.[155,1432,193,1358]" captionTargetPageId="2" captionText="FIGURE 2. A C, habitus, dorsal view. D, E, dactyli and propodi of right pereopod 5, lateral view. A, Naxia aries (H. Milne Edwards, 1834): male cl 31 mm (MZUSP 32366). B, Naxia atlantica n. sp., holotype male, cl 23.2 mm (MZUSP 32370). C, D, Naxia aurita (Latreille, 1825): female cl 47 mm (USNM 76543). E, Naxia tumida (Dana, 1851): male cl 30 mm (USNM 64728). Scale bars: D, 13 mm. E, 4 mm." httpUri="https://zenodo.org/record/230117/files/figure.png" pageId="3">2B</figureCitation>
,
<figureCitation id="1367A0FBFFC25E7FFC7EF976FC4CF8FE" box="[904,941,1772,1796]" captionStart="FIGURE 3. A B" captionStartId="4.[151,250,744,766]" captionTargetBox="[159,1431,203,711]" captionTargetId="figure@4.[151,1435,195,720]" captionTargetPageId="4" captionText="FIGURE 3. A B, habitus, dorsal view. A, Naxia tumida (Dana, 1851): male cl 30 mm, (USNM 64728). B, Naxia spinosa (Hess, 1865): male cl 36 mm (MZUSP 32367)." httpUri="https://zenodo.org/record/230118/files/figure.png" pageId="3">3A</figureCitation>
).
<taxonomicName id="4C5CC7FDFFC25E7FFC34F977FB90F8FF" box="[962,1137,1772,1797]" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="3" phylum="Arthropoda" rank="species" species="atlantica" status="sp. nov.">
<emphasis id="B928606CFFC25E7FFC34F977FB90F8FF" box="[962,1137,1772,1797]" italics="true" pageId="3">Naxia atlantica</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A21BDD17FFC25E7FFB8FF976FB58F8FF" box="[1145,1209,1772,1797]" pageId="3" rank="species">
<emphasis id="B928606CFFC25E7FFB8FF976FB58F8FF" bold="true" box="[1145,1209,1772,1797]" pageId="3">n. sp.</emphasis>
</taxonomicNameLabel>
can also be quickly distinguished from
<taxonomicName id="4C5CC7FDFFC25E7FFE87F88BFE2AF8D2" box="[369,459,1809,1832]" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="3" phylum="Arthropoda" rank="species" species="aries">
<emphasis id="B928606CFFC25E7FFE87F88BFE2AF8D2" box="[369,459,1809,1832]" italics="true" pageId="3">N. aries</emphasis>
</taxonomicName>
by the propodi of the walking legs being more expanded ventrally than in
<taxonomicName id="4C5CC7FDFFC25E7FFAE3F88BFA8FF8D2" box="[1301,1390,1809,1832]" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="3" phylum="Arthropoda" rank="species" species="aries">
<emphasis id="B928606CFFC25E7FFAE3F88BFA8FF8D2" box="[1301,1390,1809,1832]" italics="true" pageId="3">N. aries</emphasis>
</taxonomicName>
(cf.
<figureCitation id="1367A0FBFFC25E7FFF61F8AEFF3EF8B6" box="[151,223,1844,1869]" captionStart="FIGURE 1" captionStartId="1.[151,250,1706,1728]" captionTargetBox="[315,1267,531,1672]" captionTargetId="figure@1.[302,1285,519,1681]" captionTargetPageId="1" captionText="FIGURE 1. Naxia atlantica n. sp., holotype male, cl 23.2 mm (MZUSP 32370). Habitus, dorsal view (appendages from the right side omitted). Abdominal somites 1 6 and telson (1 6, T). Left margin of male sterno-abdominal cavity on sternites 4 6 (S 4 S 6). Right maxilliped 3, dorsal view (Mxp 3). Left cheliped, lateral view (P 1). Left dactyli and propodi of pereopods 2 5 (P 2 P 5). Profile of the dorsal surface of rostrum and carapace, lateral view." httpUri="https://zenodo.org/record/230116/files/figure.png" pageId="3">Figs 1</figureCitation>
,
<figureCitation id="1367A0FBFFC25E7FFF19F8AEFEF2F8B6" box="[239,275,1844,1868]" captionStart="FIGURE 2. A C" captionStartId="2.[151,250,1379,1401]" captionTargetBox="[156,1431,193,1357]" captionTargetId="figure@2.[155,1432,193,1358]" captionTargetPageId="2" captionText="FIGURE 2. A C, habitus, dorsal view. D, E, dactyli and propodi of right pereopod 5, lateral view. A, Naxia aries (H. Milne Edwards, 1834): male cl 31 mm (MZUSP 32366). B, Naxia atlantica n. sp., holotype male, cl 23.2 mm (MZUSP 32370). C, D, Naxia aurita (Latreille, 1825): female cl 47 mm (USNM 76543). E, Naxia tumida (Dana, 1851): male cl 30 mm (USNM 64728). Scale bars: D, 13 mm. E, 4 mm." httpUri="https://zenodo.org/record/230117/files/figure.png" pageId="3">2A</figureCitation>
) and from
<taxonomicName id="4C5CC7FDFFC25E7FFE60F8AFFE13F8B6" box="[406,498,1845,1868]" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="3" phylum="Arthropoda" rank="species" species="aries">
<emphasis id="B928606CFFC25E7FFE60F8AFFE13F8B6" box="[406,498,1845,1868]" italics="true" pageId="3">N. aries</emphasis>
</taxonomicName>
and
<taxonomicName id="4C5CC7FDFFC25E7FFDDBF8AFFD46F8B6" box="[557,679,1845,1868]" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="3" phylum="Arthropoda" rank="species" species="spinosa">
<emphasis id="B928606CFFC25E7FFDDBF8AFFD46F8B6" box="[557,679,1845,1868]" italics="true" pageId="3">N. spinosa</emphasis>
</taxonomicName>
in having a rather straight rostrum that is outwardly directed and distinctly upturned at its tip (rostrum strongly curved outwards and slightly turned downward at the tip in
<taxonomicName id="4C5CC7FDFFC25E7FFAB5F8C3FA7DF88A" box="[1347,1436,1881,1904]" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="3" phylum="Arthropoda" rank="species" species="aries">
<emphasis id="B928606CFFC25E7FFAB5F8C3FA7DF88A" box="[1347,1436,1881,1904]" italics="true" pageId="3">N. aries</emphasis>
</taxonomicName>
and straight and directed outward and downward in
<taxonomicName id="4C5CC7FDFFC25E7FFD28F8E7FCB5F86E" box="[734,852,1917,1940]" class="Malacostraca" family="Majidae" genus="Naxia" kingdom="Animalia" order="Decapoda" pageId="3" phylum="Arthropoda" rank="species" species="spinosa">
<emphasis id="B928606CFFC25E7FFD28F8E7FCB5F86E" box="[734,852,1917,1940]" italics="true" pageId="3">N. spinosa</emphasis>
</taxonomicName>
) (cf.
<figureCitation id="1367A0FBFFC25E7FFC64F8E6FBEFF86E" box="[914,1038,1916,1941]" captionStart="FIGURE 2. A C" captionStartId="2.[151,250,1379,1401]" captionTargetBox="[156,1431,193,1357]" captionTargetId="figure@2.[155,1432,193,1358]" captionTargetPageId="2" captionText="FIGURE 2. A C, habitus, dorsal view. D, E, dactyli and propodi of right pereopod 5, lateral view. A, Naxia aries (H. Milne Edwards, 1834): male cl 31 mm (MZUSP 32366). B, Naxia atlantica n. sp., holotype male, cl 23.2 mm (MZUSP 32370). C, D, Naxia aurita (Latreille, 1825): female cl 47 mm (USNM 76543). E, Naxia tumida (Dana, 1851): male cl 30 mm (USNM 64728). Scale bars: D, 13 mm. E, 4 mm." httpUri="https://zenodo.org/record/230117/files/figure.png" pageId="3">Figs 2A, B</figureCitation>
,
<figureCitation id="1367A0FBFFC25E7FFBECF8E6FBDCF86E" box="[1050,1085,1916,1940]" captionStart="FIGURE 3. A B" captionStartId="4.[151,250,744,766]" captionTargetBox="[159,1431,203,711]" captionTargetId="figure@4.[151,1435,195,720]" captionTargetPageId="4" captionText="FIGURE 3. A B, habitus, dorsal view. A, Naxia tumida (Dana, 1851): male cl 30 mm, (USNM 64728). B, Naxia spinosa (Hess, 1865): male cl 36 mm (MZUSP 32367)." httpUri="https://zenodo.org/record/230118/files/figure.png" pageId="3">3B</figureCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>