treatments-xml/data/3A/02/87/3A0287ACFFFB0266FEBF555EFC6EFC85.xml
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<document id="66AB952DA0C384C61FB6D783676CE141" ID-DOI="10.5281/zenodo.168897" ID-GBIF-Dataset="c5dcfaef-908a-4cb8-bd5f-e07a2ba478c8" ID-ISSN="1175­5326" ID-Zenodo-Dep="168897" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461011197411" checkinUser="plazi" docAuthor="Webber, W. Richard" docDate="2004" docId="3A0287ACFFFB0266FEBF555EFC6EFC85" docLanguage="en" docName="zt00444.pdf" docOrigin="Zootaxa 444" docStyle="DocumentStyle:FA7E419B012A62B0FC3AC15A186C3DAF.3:Zootaxa.2001-2006.journal_article" docStyleId="FA7E419B012A62B0FC3AC15A186C3DAF" docStyleName="Zootaxa.2001-2006.journal_article" docStyleVersion="3" docTitle="Alvinocaris niwa Webber, 2004, n. sp." docType="treatment" docVersion="7" lastPageNumber="18" masterDocId="C63BFFD4FFFF0277FFB7573FFFFAFF93" masterDocTitle="Alvinocarididae) and new records of alvinocaridids from hydrothermal vents north of New Zealand" masterLastPageNumber="26" masterPageNumber="1" pageNumber="5" updateTime="1698567348003" updateUser="plazi">
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<mods:title id="8EB6ACFD9E2C1DC8393230B87F90AE0B">Alvinocarididae) and new records of alvinocaridids from hydrothermal vents north of New Zealand</mods:title>
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<mods:date id="DC1497613F104B749471461C939506A8">2004</mods:date>
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<treatment id="3A0287ACFFFB0266FEBF555EFC6EFC85" ID-DOI="http://doi.org/10.5281/zenodo.6270888" ID-GBIF-Taxon="119600313" ID-Zenodo-Dep="6270888" LSID="urn:lsid:plazi:treatment:3A0287ACFFFB0266FEBF555EFC6EFC85" httpUri="http://treatment.plazi.org/id/3A0287ACFFFB0266FEBF555EFC6EFC85" lastPageId="17" lastPageNumber="18" pageId="4" pageNumber="5">
<subSubSection id="FAB16531FFFB0273FEBF555EFCD4FD2E" pageId="4" pageNumber="5" type="nomenclature">
<paragraph id="B21436BAFFFB0273FEBF555EFD5AFDE8" blockId="4.[264,672,609,635]" box="[264,672,609,635]" pageId="4" pageNumber="5">
<heading id="E95C81D6FFFB0273FEBF555EFD5AFDE8" bold="true" box="[264,672,609,635]" fontSize="11" level="1" pageId="4" pageNumber="5" reason="1">
<emphasis id="80DFEAA8FFFB0273FEBF555EFD5AFDE8" bold="true" box="[264,672,609,635]" pageId="4" pageNumber="5">
<taxonomicName id="75AB4D39FFFB0273FEBF555EFE2FFDE8" ID-CoL="9CNTV" box="[264,469,609,635]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="niwa" status="sp. nov.">
<emphasis id="80DFEAA8FFFB0273FEBF555EFE2FFDE8" bold="true" box="[264,469,609,635]" italics="true" pageId="4" pageNumber="5">Alvinocaris niwa</emphasis>
</taxonomicName>
<taxonomicNameLabel id="9BEC57D3FFFB0273FE6B555EFDE4FDE8" box="[476,542,609,635]" pageId="4" pageNumber="5" rank="species">n. sp.</taxonomicNameLabel>
(
<figureCitation id="2A902A3FFFFB0273FD9A555EFD62FDE8" box="[557,664,609,635]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStart-3="FIGURE 4" captionStartId-0="5.[264,368,1846,1870]" captionStartId-1="6.[264,367,1749,1773]" captionStartId-2="11.[264,368,1753,1777]" captionStartId-3="12.[264,368,1640,1664]" captionTargetBox-0="[296,1299,842,1829]" captionTargetBox-1="[264,1322,315,1734]" captionTargetBox-2="[264,1322,316,1741]" captionTargetBox-3="[264,1322,321,1600]" captionTargetId-0="figure@5.[290,1304,835,1841]" captionTargetId-1="figure@6.[260,1327,301,1742]" captionTargetId-2="figure@11.[260,1327,315,1744]" captionTargetId-3="figure@12.[260,1327,303,1632]" captionTargetPageId-0="5" captionTargetPageId-1="6" captionTargetPageId-2="11" captionTargetPageId-3="12" captionText-0="FIGURE 1. Alvinocaris niwa n. sp. a, b, holotype (NIWA 3253), c, paratype female (NIWA 3254); a, lateral view; b, abdomen, ventrolateral view; c, lateral view. Scale bar = 5 mm." captionText-1="FIGURE 2. Alvinocaris niwa n. sp. holotype (NIWA 3253), a, front, dorsal view; b, antennal peduncle and scale, left side, ventral view; c, telson and uropods, dorsal view; d, mandible, left side, posterior (convex) view; e, mandible, left side, anterior (concave) view; f, first maxilla, right side, posterior view; g, second maxilla, right side, posterior view. Scale bars a c = 4 mm; d f = 1 mm; g = 2 mm." captionText-2="FIGURE 3. Alvinocaris niwa n. sp. holotype (NIWA 3253), a, first maxilliped, left side, anterior view; b, second maxilliped, right side, posterior view; c, second maxilliped, right side, anterior view; d, third maxilliped, right side, lateral view; e, third maxilliped, right side, mesial view; f, first pereopod, right side, lateral view; g, first pereopod, right side, mesial view; h, first pereopod fingers, right side, lateral (concave) view. Scale bars a c = 2 mm; d g = 4 mm; h = 1 mm." captionText-3="FIGURE 4. Alvinocaris niwa n. sp. a e, g, h, holotype (NIWA 3253); f, paratype male (MNZ CR. 9973); a, second pereopod, right side, lateral view; b, second pereopod chela, right side, anterior view; c e, third to fifth pereopods, right side, lateral view; f, third pereopod dactyl, right side, lateral view; g, third pereopod propodus and dactyl, right side, ventral view; h, second pleopod appendix interna and appendix masculina, right side, anterior view. Scale bars a = 4 mm; b = 2 mm; c e = 4 mm; f = 1 mm; g = 2 mm; h = 1 mm." httpUri-0="https://zenodo.org/record/168898/files/figure.png" httpUri-1="https://zenodo.org/record/168899/files/figure.png" httpUri-2="https://zenodo.org/record/168900/files/figure.png" httpUri-3="https://zenodo.org/record/168901/files/figure.png" pageId="4" pageNumber="5">Figs 14</figureCitation>
)
</emphasis>
</heading>
</paragraph>
<paragraph id="B21436BAFFFB0273FEBF5598FCD4FD2E" blockId="4.[264,814,678,702]" box="[264,814,678,702]" pageId="4" pageNumber="5">
<treatmentCitationGroup id="92BB1194FFFB0273FEBF5598FCD4FD2E" box="[264,814,678,702]" pageId="4" pageNumber="5">
<taxonomicName id="75AB4D39FFFB0273FEBF5598FE79FD2D" ID-CoL="9CJPT" box="[264,387,679,702]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="5" phylum="Arthropoda" rank="genus">
<emphasis id="80DFEAA8FFFB0273FEBF5598FE79FD2D" box="[264,387,679,702]" italics="true" pageId="4" pageNumber="5">Alvinocaris</emphasis>
</taxonomicName>
sp. A. —
<treatmentCitation id="330A10ABFFFB0273FE5E5599FD04FD2E" author="Webber" box="[489,766,678,701]" page="6" pageId="4" pageNumber="5" year="2002">
<bibRefCitation id="D63A4B4BFFFB0273FE5E5599FD1EFD2E" author="Webber" box="[489,740,678,701]" pageId="4" pageNumber="26" refString="Webber, W. R. &amp; Bruce, N. L. (2002) Thriving blind - New Zealands first volcanic vent shrimps. Biodiversity Update, No. 5, 6 - 7." type="book chapter" year="2002">Webber &amp; Bruce, 2002</bibRefCitation>
: 6
</treatmentCitation>
, fig.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="FAB16531FFFB0270FEBF55DBFCA8FA05" lastPageId="7" lastPageNumber="8" pageId="4" pageNumber="5" type="materials_examined">
<paragraph id="B21436BAFFFB0273FEBF55DBFC3BFA35" blockId="4.[264,1323,739,1886]" pageId="4" pageNumber="5">
<emphasis id="80DFEAA8FFFB0273FEBF55DBFE14FD6E" box="[264,494,740,765]" italics="true" pageId="4" pageNumber="5">Material examined</emphasis>
. —5 Ψ (2 ovigerous) R.V.
<taxonomicName id="75AB4D39FFFB0273FCE155DBFC3CFD6E" box="[854,966,740,765]" class="Arachnida" family="Uloboridae" genus="Tangaroa" kingdom="Animalia" order="Araneae" pageId="4" pageNumber="5" phylum="Arthropoda" rank="genus">
<emphasis id="80DFEAA8FFFB0273FCE155DBFC3CFD6E" box="[854,966,740,765]" italics="true" pageId="4" pageNumber="5">Tangaroa</emphasis>
</taxonomicName>
stn TAN0107/135, Brothers Caldera, 34° 52.8952.87´S 179° 3.763.21´E, 1,346
<quantity id="75539B5FFFFB0273FC075433FBE1FCB5" box="[944,1051,780,806]" metricMagnitude="3" metricUnit="m" metricValue="1.196" pageId="4" pageNumber="5" unit="m" value="1196.0">1,196 m</quantity>
, benthic sled [
<taxonomicName id="75AB4D39FFFB0273FB6D5433FAD0FCB5" box="[1242,1322,780,806]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="24" phylum="Arthropoda" rank="species" species="niwa">
<collectionCode id="D4BAAE7FFFFB0273FB6D5433FAD0FCB5" box="[1242,1322,780,806]" httpUri="http://grbio.org/cool/nyq3-3g6s" name="National Institute of Water and Atmospheric Research" pageId="4" pageNumber="5">NIWA</collectionCode>
</taxonomicName>
P1388,
<taxonomicName id="75AB4D39FFFB0273FED3540BFE4BFCDD" box="[356,433,820,846]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="24" phylum="Arthropoda" rank="species" species="niwa">
<collectionCode id="D4BAAE7FFFFB0273FED3540BFE4BFCDD" box="[356,433,820,846]" httpUri="http://grbio.org/cool/nyq3-3g6s" name="National Institute of Water and Atmospheric Research" pageId="4" pageNumber="5">NIWA</collectionCode>
</taxonomicName>
3255 (
<specimenCount id="A4ADFD33FFFB0273FDBF540BFD60FCDD" box="[520,666,820,846]" pageId="4" pageNumber="5" type="generic">3 specimens</specimenCount>
A, D, E); MNZ CR. 9977 (specimen B)]; 2 ɗ, 2 Ψ (1 ovig.) R.V.
<taxonomicName id="75AB4D39FFFB0273FE255463FDF8FCE6" box="[402,514,860,885]" class="Arachnida" family="Uloboridae" genus="Tangaroa" kingdom="Animalia" order="Araneae" pageId="4" pageNumber="5" phylum="Arthropoda" rank="genus">
<emphasis id="80DFEAA8FFFB0273FE255463FDF8FCE6" box="[402,514,860,885]" italics="true" pageId="4" pageNumber="5">Tangaroa</emphasis>
</taxonomicName>
stn TAN0107/141, Brothers Caldera, 34° 52.9652.69´S 179° 4.02 4.93´E, 1,538
<quantity id="75539B5FFFFB0273FE0154BBFDE1FC0D" box="[438,539,900,926]" metricMagnitude="3" metricUnit="m" metricValue="1.197" pageId="4" pageNumber="5" unit="m" value="1197.0">1,197 m</quantity>
, benthic sled [
<taxonomicName id="75AB4D39FFFB0273FD7354BBFCEEFC0D" box="[708,788,900,926]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="24" phylum="Arthropoda" rank="species" species="niwa">
<collectionCode id="D4BAAE7FFFFB0273FD7354BBFCEEFC0D" box="[708,788,900,926]" httpUri="http://grbio.org/cool/nyq3-3g6s" name="National Institute of Water and Atmospheric Research" pageId="4" pageNumber="5">NIWA</collectionCode>
</taxonomicName>
3256 (
<specimenCount id="A4ADFD33FFFB0273FCDE54BBFC00FC0D" box="[873,1018,900,926]" pageId="4" pageNumber="5" type="generic">3 specimens</specimenCount>
141, 141A, 141C); MNZ CR. 9967 (specimen C)]; 11 ɗ, 10 Ψ (1 ovigerous), R.V.
<taxonomicName id="75AB4D39FFFB0273FC665493FBBBFC56" box="[977,1089,940,965]" class="Arachnida" family="Uloboridae" genus="Tangaroa" kingdom="Animalia" order="Araneae" pageId="4" pageNumber="5" phylum="Arthropoda" rank="genus">
<emphasis id="80DFEAA8FFFB0273FC665493FBBBFC56" box="[977,1089,940,965]" italics="true" pageId="4" pageNumber="5">Tangaroa</emphasis>
</taxonomicName>
stn TAN0107/228, Rumble V, 36° 8.638.57´S 178° 11.7711.50´E, 877
<quantity id="75539B5FFFFB0273FC2754EBFC27FC7D" box="[912,989,980,1006]" metricMagnitude="2" metricUnit="m" metricValue="6.55" pageId="4" pageNumber="5" unit="m" value="655.0">655 m</quantity>
, benthic sled [
<taxonomicName id="75AB4D39FFFB0273FB3E54EBFB23FC7D" box="[1161,1241,980,1006]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="24" phylum="Arthropoda" rank="species" species="niwa">
<collectionCode id="D4BAAE7FFFFB0273FB3E54EBFB23FC7D" box="[1161,1241,980,1006]" httpUri="http://grbio.org/cool/nyq3-3g6s" name="National Institute of Water and Atmospheric Research" pageId="4" pageNumber="5">NIWA</collectionCode>
</taxonomicName>
H837,
<taxonomicName id="75AB4D39FFFB0273FEBF54C3FEAEFB85" box="[264,340,1020,1046]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="24" phylum="Arthropoda" rank="species" species="niwa">
<collectionCode id="D4BAAE7FFFFB0273FEBF54C3FEAEFB85" box="[264,340,1020,1046]" httpUri="http://grbio.org/cool/nyq3-3g6s" name="National Institute of Water and Atmospheric Research" pageId="4" pageNumber="5">NIWA</collectionCode>
</taxonomicName>
3257 (
<specimenCount id="A4ADFD33FFFB0273FE1A54C3FDB5FB85" box="[429,591,1020,1046]" pageId="4" pageNumber="5" type="generic">18 specimens</specimenCount>
AD, FQ, S, T); MNZ CR. 9969 (specimen E), MNZ CR. 9970 (specimen R)]; 1 ɗ, 4 Ψ, R.V.
<taxonomicName id="75AB4D39FFFB0273FD7F531BFCC2FBAE" box="[712,824,1060,1085]" class="Arachnida" family="Uloboridae" genus="Tangaroa" kingdom="Animalia" order="Araneae" pageId="4" pageNumber="5" phylum="Arthropoda" rank="genus">
<emphasis id="80DFEAA8FFFB0273FD7F531BFCC2FBAE" box="[712,824,1060,1085]" italics="true" pageId="4" pageNumber="5">Tangaroa</emphasis>
</taxonomicName>
stn TAN0107/230, Rumble V, 36° 8.48 8.79´S 178° 11.7011.53´E, 755
<quantity id="75539B5FFFFB0273FD265373FD25FBF5" box="[657,735,1100,1126]" metricMagnitude="2" metricUnit="m" metricValue="3.6" pageId="4" pageNumber="5" unit="m" value="360.0">360 m</quantity>
, benthic sled [
<taxonomicName id="75AB4D39FFFB0273FC3F5373FC22FBF5" box="[904,984,1100,1126]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="24" phylum="Arthropoda" rank="species" species="niwa">
<collectionCode id="D4BAAE7FFFFB0273FC3F5373FC22FBF5" box="[904,984,1100,1126]" httpUri="http://grbio.org/cool/nyq3-3g6s" name="National Institute of Water and Atmospheric Research" pageId="4" pageNumber="5">NIWA</collectionCode>
</taxonomicName>
3258 (
<specimenCount id="A4ADFD33FFFB0273FB9B5373FB44FBF5" box="[1068,1214,1100,1126]" pageId="4" pageNumber="5" type="generic">4 specimens</specimenCount>
A, B, D, E); MNZ CR. 9971 (specimen C)]; 1 ɗ, 2 Ψ, R.V.
<taxonomicName id="75AB4D39FFFB0273FCE2534BFC3FFB1E" box="[853,965,1140,1165]" class="Arachnida" family="Uloboridae" genus="Tangaroa" kingdom="Animalia" order="Araneae" pageId="4" pageNumber="5" phylum="Arthropoda" rank="genus">
<emphasis id="80DFEAA8FFFB0273FCE2534BFC3FFB1E" box="[853,965,1140,1165]" italics="true" pageId="4" pageNumber="5">Tangaroa</emphasis>
</taxonomicName>
stn TAN0107/233, Rumble V, 36° 8.358.70´S 178° 11.7411.58´E, 520
<quantity id="75539B5FFFFB0273FCB553A3FCAAFB25" box="[770,848,1180,1206]" metricMagnitude="2" metricUnit="m" metricValue="3.67" pageId="4" pageNumber="5" unit="m" value="367.0">367 m</quantity>
, benthic sled [
<taxonomicName id="75AB4D39FFFB0273FC4053A3FBBDFB25" box="[1015,1095,1180,1206]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="24" phylum="Arthropoda" rank="species" species="niwa">
<collectionCode id="D4BAAE7FFFFB0273FC4053A3FBBDFB25" box="[1015,1095,1180,1206]" httpUri="http://grbio.org/cool/nyq3-3g6s" name="National Institute of Water and Atmospheric Research" pageId="4" pageNumber="5">NIWA</collectionCode>
</taxonomicName>
3259 (
<specimenCount id="A4ADFD33FFFB0273FB2D53A3FAD1FB25" box="[1178,1323,1180,1206]" pageId="4" pageNumber="5" type="generic">3 specimens</specimenCount>
AC)]; 4 ɗ, 1 Ψ, R.V.
<taxonomicName id="75AB4D39FFFB0273FD9A53FBFD67FB4E" box="[557,669,1220,1245]" class="Arachnida" family="Uloboridae" genus="Tangaroa" kingdom="Animalia" order="Araneae" pageId="4" pageNumber="5" phylum="Arthropoda" rank="genus">
<emphasis id="80DFEAA8FFFB0273FD9A53FBFD67FB4E" box="[557,669,1220,1245]" italics="true" pageId="4" pageNumber="5">Tangaroa</emphasis>
</taxonomicName>
stn TAN0107/235, Rumble V, 36° 8.368.08´S 178° 11.7611.96´E, 672
<quantity id="75539B5FFFFB0273FE4D53D3FDBDFA95" box="[506,583,1260,1286]" metricMagnitude="2" metricUnit="m" metricValue="3.67" pageId="4" pageNumber="5" unit="m" value="367.0">367 m</quantity>
, benthic sled [
<taxonomicName id="75AB4D39FFFB0273FD5B53D3FCC6FA95" box="[748,828,1260,1286]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="24" phylum="Arthropoda" rank="species" species="niwa">
<collectionCode id="D4BAAE7FFFFB0273FD5B53D3FCC6FA95" box="[748,828,1260,1286]" httpUri="http://grbio.org/cool/nyq3-3g6s" name="National Institute of Water and Atmospheric Research" pageId="4" pageNumber="5">NIWA</collectionCode>
</taxonomicName>
3260 (
<specimenCount id="A4ADFD33FFFB0273FC3A53D3FBE4FA95" box="[909,1054,1260,1286]" pageId="4" pageNumber="5" type="generic">4 specimens</specimenCount>
BE); MNZ CR. 9972 (specimen A)]; 24 ɗ, 22 Ψ, R.V.
<taxonomicName id="75AB4D39FFFB0273FD3A522BFD07FABE" box="[653,765,1300,1325]" class="Arachnida" family="Uloboridae" genus="Tangaroa" kingdom="Animalia" order="Araneae" pageId="4" pageNumber="5" phylum="Arthropoda" rank="genus">
<emphasis id="80DFEAA8FFFB0273FD3A522BFD07FABE" box="[653,765,1300,1325]" italics="true" pageId="4" pageNumber="5">Tangaroa</emphasis>
</taxonomicName>
stn TAN0107/325, Rumble V, 36° 8.277.96´S 178° 11.7411.70´E, 485
<quantity id="75539B5FFFFB0273FD885203FD75FAC5" box="[575,655,1340,1366]" metricMagnitude="2" metricUnit="m" metricValue="4.15" pageId="4" pageNumber="5" unit="m" value="415.0">415 m</quantity>
, benthic sled [
<taxonomicName id="75AB4D39FFFB0273FC8A5203FC77FAC5" box="[829,909,1340,1366]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="24" phylum="Arthropoda" rank="species" species="niwa">
<collectionCode id="D4BAAE7FFFFB0273FC8A5203FC77FAC5" box="[829,909,1340,1366]" httpUri="http://grbio.org/cool/nyq3-3g6s" name="National Institute of Water and Atmospheric Research" pageId="4" pageNumber="5">NIWA</collectionCode>
</taxonomicName>
3261 (
<specimenCount id="A4ADFD33FFFB0273FC545203FB7CFAC5" box="[995,1158,1340,1366]" pageId="4" pageNumber="5" type="generic">42 specimens</specimenCount>
A, C, EAC, AE
<collectingCountry id="CABC762AFFFB0273FE8B525BFE9FFAED" box="[316,357,1380,1406]" name="American Samoa" pageId="4" pageNumber="5">AS</collectingCountry>
); MNZ CR. MNZ CR. 9973 (specimen D), MNZ CR. 9974 (specimen B), MNZ CR. 9975 (specimen AD), MNZ CR. 9976 (specimen AT)].
</paragraph>
<paragraph id="B21436BAFFFB0273FE8F528BFAE7F98D" blockId="4.[264,1323,739,1886]" pageId="4" pageNumber="5">
Description: Measurements, male
<typeStatus id="6D108818FFFB0273FD62528BFCBAFA5D" box="[725,832,1460,1486]" pageId="4" pageNumber="5" type="holotype">holotype</typeStatus>
: CL
<quantity id="75539B5FFFFB0273FC3C528BFBF3FA5D" box="[907,1033,1460,1486]" metricMagnitude="-2" metricUnit="m" metricValue="1.538" pageId="4" pageNumber="5" unit="mm" value="15.38">15.38 mm</quantity>
; RL
<quantity id="75539B5FFFFB0273FBFD528BFB4CFA5D" box="[1098,1206,1460,1486]" metricMagnitude="-3" metricUnit="m" metricValue="3.75" pageId="4" pageNumber="5" unit="mm" value="3.75">3.75 mm</quantity>
(together giving total carapace length of
<quantity id="75539B5FFFFB0273FD3D52E3FCF0FA65" box="[650,778,1500,1526]" metricMagnitude="-2" metricUnit="m" metricValue="1.9129999999999998" pageId="4" pageNumber="5" unit="mm" value="19.13">19.13 mm</quantity>
); CD
<quantity id="75539B5FFFFB0273FCEE52E3FC2CFA65" box="[857,982,1500,1526]" metricMagnitude="-2" metricUnit="m" metricValue="1.188" pageId="4" pageNumber="5" unit="mm" value="11.88">11.88 mm</quantity>
; TL approximately
<quantity id="75539B5FFFFB0273FB7B52E3FADDFA65" box="[1228,1319,1500,1526]" metricMagnitude="-2" metricUnit="m" metricValue="5.7" pageId="4" pageNumber="5" unit="mm" value="57.0">57 mm</quantity>
. Female
<typeStatus id="6D108818FFFB0273FED1513BFE35F98D" box="[358,463,1540,1566]" pageId="4" pageNumber="5" type="paratype">paratype</typeStatus>
: CL 15.00 mm; RL
<quantity id="75539B5FFFFB0273FD0D513BFCDFF98D" box="[698,805,1540,1566]" metricMagnitude="-3" metricUnit="m" metricValue="3.63" pageId="4" pageNumber="5" unit="mm" value="3.63">3.63 mm</quantity>
; CD
<quantity id="75539B5FFFFB0273FCD5513BFC21F98D" box="[866,987,1540,1566]" metricMagnitude="-2" metricUnit="m" metricValue="1.15" pageId="4" pageNumber="5" unit="mm" value="11.5">11.50 mm</quantity>
; TL approximately
<quantity id="75539B5FFFFB0273FB74513BFAE3F98D" box="[1219,1305,1540,1566]" metricMagnitude="-2" metricUnit="m" metricValue="5.7" pageId="4" pageNumber="5" unit="mm" value="57.0">57 mm</quantity>
.
</paragraph>
<paragraph id="B21436BAFFFB0272FE8F5113FC78FDDD" blockId="4.[264,1323,739,1886]" lastBlockId="5.[264,1323,284,790]" lastPageId="5" lastPageNumber="6" pageId="4" pageNumber="5">
<emphasis id="80DFEAA8FFFB0273FE8F5113FE51F9D6" box="[312,427,1580,1605]" italics="true" pageId="4" pageNumber="5">Carapace</emphasis>
(
<figureCitation id="2A902A3FFFFB0273FE0C5113FE04F9D5" box="[443,510,1580,1606]" captionStart="FIGURE 1" captionStartId="5.[264,368,1846,1870]" captionTargetBox="[296,1299,842,1829]" captionTargetId="figure@5.[290,1304,835,1841]" captionTargetPageId="5" captionText="FIGURE 1. Alvinocaris niwa n. sp. a, b, holotype (NIWA 3253), c, paratype female (NIWA 3254); a, lateral view; b, abdomen, ventrolateral view; c, lateral view. Scale bar = 5 mm." httpUri="https://zenodo.org/record/168898/files/figure.png" pageId="4" pageNumber="5">Fig. 1</figureCitation>
a, c, 2a) integument thin, semitransparent laterally in preserved specimens, inconspicuously punctate, small setae scattered over surface; dorsally with seven sharp, forward pointing dorsal teeth (five rostral + two carapace), six in female (rostrum tip broken off), distal tooth almost forming a bifid rostral tip in
<typeStatus id="6D108818FFFB0273FBB2519BFB94F92D" box="[1029,1134,1700,1726]" pageId="4" pageNumber="5" type="holotype">holotype</typeStatus>
, a few setae on dorsal margins of teeth; ventral rostral teeth absent (one occasionally present see variation below). Rostral and carapace dorsal teeth supported by thin, low, carinate crest continuing, posteriorly to teeth, as low ridge to about mid point of carapace, contributing to moderately curved carapace dorsal profile; ventral margin of rostrum also carinate, carina shallow in
<typeStatus id="6D108818FFFA0272FED05623FE2AFEA5" box="[359,464,284,310]" pageId="5" pageNumber="6" type="holotype">holotype</typeStatus>
, curving more deeply in female
<typeStatus id="6D108818FFFA0272FCC45623FC22FEA5" box="[883,984,284,310]" pageId="5" pageNumber="6" type="paratype">paratype</typeStatus>
(
<figureCitation id="2A902A3FFFFA0272FC595623FBCBFEA5" box="[1006,1073,284,310]" captionStart="FIGURE 1" captionStartId="5.[264,368,1846,1870]" captionTargetBox="[296,1299,842,1829]" captionTargetId="figure@5.[290,1304,835,1841]" captionTargetPageId="5" captionText="FIGURE 1. Alvinocaris niwa n. sp. a, b, holotype (NIWA 3253), c, paratype female (NIWA 3254); a, lateral view; b, abdomen, ventrolateral view; c, lateral view. Scale bar = 5 mm." httpUri="https://zenodo.org/record/168898/files/figure.png" pageId="5" pageNumber="6">Fig 1</figureCitation>
c); lateral carina on rostrum detectable near rostrum tip, running posteriorly, confluent with orbital margin. Acute antennal spine reaching anterior margin of eye; antennal spine at anterior of short, inconspicuous ridge curving obliquely downwards, fading out about 0.25 length of carapace, shallow depression ventral to antennal ridge; strong pterygostomian spine projecting forwards similar distance to antennal spine in
<typeStatus id="6D108818FFFA0272FC9156DBFC6AFE6D" box="[806,912,484,510]" pageId="5" pageNumber="6" type="holotype">holotype</typeStatus>
, stronger and outreaching antennal spine in female
<typeStatus id="6D108818FFFA0272FE755533FDD1FDB5" box="[450,555,524,550]" pageId="5" pageNumber="6" type="paratype">paratype</typeStatus>
; low submarginal ridge along ventral and posterior carapace margins, no other ridges or grooves apparent on carapace.
</paragraph>
<paragraph id="B21436BAFFFA0272FE8F5563FE8CFC85" blockId="5.[264,1323,284,790]" pageId="5" pageNumber="6">
Precoxae (not illustrated) with spine present adjacent to each pereopod, becoming more slender and sharp from pereopod 1pereopod 5; in
<typeStatus id="6D108818FFFA0272FC6B55BBFBB9FD0D" box="[988,1091,644,670]" pageId="5" pageNumber="6" type="holotype">holotype</typeStatus>
an anteroventrally directed, blade­like sternal spine with unevenly serrated tip present between coxae of pereopod 5 (not illustrated), absent from females; cephalothoracic sternites otherwise unarmed.
</paragraph>
<caption id="E6D46632FFFA0272FEBF5009FB91F8FE" httpUri="https://zenodo.org/record/168898/files/figure.png" pageId="5" pageNumber="6" targetBox="[296,1299,842,1829]" targetPageId="5">
<paragraph id="B21436BAFFFA0272FEBF5009FB91F8FE" blockId="5.[264,1322,1846,1901]" pageId="5" pageNumber="6">
<emphasis id="80DFEAA8FFFA0272FEBF5009FE70F8DD" bold="true" box="[264,394,1846,1870]" pageId="5" pageNumber="6">FIGURE 1.</emphasis>
<taxonomicName id="75AB4D39FFFA0272FE265009FDBDF8DE" box="[401,583,1846,1869]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="niwa" status="sp. nov.">
<emphasis id="80DFEAA8FFFA0272FE265009FDBDF8DE" box="[401,583,1846,1869]" italics="true" pageId="5" pageNumber="6">Alvinocaris niwa</emphasis>
</taxonomicName>
<taxonomicNameLabel id="9BEC57D3FFFA0272FDFA5009FD7CF8DE" box="[589,646,1846,1869]" pageId="5" pageNumber="6" rank="species">n. sp.</taxonomicNameLabel>
a, b, holotype (
<taxonomicName id="75AB4D39FFFA0272FC9C5009FC89F8DE" box="[811,883,1846,1869]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="24" phylum="Arthropoda" rank="species" species="niwa">NIWA</taxonomicName>
3253), c, paratype female (
<taxonomicName id="75AB4D39FFFA0272FB205009FB25F8DE" box="[1175,1247,1846,1869]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="24" phylum="Arthropoda" rank="species" species="niwa">NIWA</taxonomicName>
3254); a, lateral view; b, abdomen, ventrolateral view; c, lateral view. Scale bar = 5 mm.
</paragraph>
</caption>
<caption id="E6D46632FFF90271FEBF51EAFE98F8FE" httpUri="https://zenodo.org/record/168899/files/figure.png" pageId="6" pageNumber="7" targetBox="[264,1322,315,1734]" targetPageId="6">
<paragraph id="B21436BAFFF90271FEBF51EAFE98F8FE" blockId="6.[264,1323,1749,1901]" pageId="6" pageNumber="7">
<emphasis id="80DFEAA8FFF90271FEBF51EAFE74F97E" bold="true" box="[264,398,1749,1773]" pageId="6" pageNumber="7">FIGURE 2.</emphasis>
<taxonomicName id="75AB4D39FFF90271FE2D51E9FDAFF97E" box="[410,597,1750,1773]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="7" phylum="Arthropoda" rank="species" species="niwa" status="sp. nov.">
<emphasis id="80DFEAA8FFF90271FE2D51E9FDAFF97E" box="[410,597,1750,1773]" italics="true" pageId="6" pageNumber="7">Alvinocaris niwa</emphasis>
</taxonomicName>
<taxonomicNameLabel id="9BEC57D3FFF90271FDE851E9FD67F97E" box="[607,669,1750,1773]" pageId="6" pageNumber="7" rank="species">n. sp.</taxonomicNameLabel>
holotype (
<taxonomicName id="75AB4D39FFF90271FCA051E9FCA5F97E" box="[791,863,1750,1773]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="24" phylum="Arthropoda" rank="species" species="niwa">NIWA</taxonomicName>
3253), a, front, dorsal view; b, antennal peduncle and scale, left side, ventral view; c, telson and uropods, dorsal view; d, mandible, left side, posterior (convex) view; e, mandible, left side, anterior (concave) view; f, first maxilla, right side, posterior view; g, second maxilla, right side, posterior view. Scale bars ac = 4 mm; df = 1 mm; g = 2 mm.
</paragraph>
</caption>
<paragraph id="B21436BAFFF80270FE8F5623FB93FCD2" blockId="7.[264,1324,284,1870]" pageId="7" pageNumber="8">
<emphasis id="80DFEAA8FFF80270FE8F5623FE5DFEA6" box="[312,423,284,309]" italics="true" pageId="7" pageNumber="8">Abdomen</emphasis>
(
<figureCitation id="2A902A3FFFF80270FE095623FDFDFEA5" box="[446,519,284,310]" captionStart="FIGURE 1" captionStartId="5.[264,368,1846,1870]" captionTargetBox="[296,1299,842,1829]" captionTargetId="figure@5.[290,1304,835,1841]" captionTargetPageId="5" captionText="FIGURE 1. Alvinocaris niwa n. sp. a, b, holotype (NIWA 3253), c, paratype female (NIWA 3254); a, lateral view; b, abdomen, ventrolateral view; c, lateral view. Scale bar = 5 mm." httpUri="https://zenodo.org/record/168898/files/figure.png" pageId="7" pageNumber="8">Fig. 1</figureCitation>
ac) moderately arched dorsally, tapering posteriorly, deeper in female
<typeStatus id="6D108818FFF80270FED5567EFE30FEC8" box="[354,458,321,347]" pageId="7" pageNumber="8" type="paratype">paratype</typeStatus>
, no carinae on somites, integument with small setae scattered over surface, semitransparent pleurally. Pleuron of somite 1 rounded, unarmed; of somite 2 rounded anteriorly and posteriorly, proportionately much larger and deeper in ovigerous female
<typeStatus id="6D108818FFF80270FEE9568EFE3CFE58" box="[350,454,433,459]" pageId="7" pageNumber="8" type="paratype">paratype</typeStatus>
, unarmed; of somite 3 (AP3) left side rounded, with very small posterolateral spine in
<typeStatus id="6D108818FFF80270FE1356E8FDF4FE62" box="[420,526,471,497]" pageId="7" pageNumber="8" type="holotype">holotype</typeStatus>
, unarmed on right side, unarmed both sides in female
<typeStatus id="6D108818FFF80270FB2B56E8FAFFFE62" box="[1180,1285,471,497]" pageId="7" pageNumber="8" type="paratype">paratype</typeStatus>
; of somite 4 (AP4) left side with a stronger posterolateral spine than AP3, without ventral or posterior spines (similar in female
<typeStatus id="6D108818FFF80270FD1D551EFCEFFDA8" box="[682,789,545,571]" pageId="7" pageNumber="8" type="paratype">paratype</typeStatus>
); of somite 5 (AP5) left side without ventral spines, drawn out into a strong posterolateral spine, with two posterior spines somewhat remote from posterolateral spine in
<typeStatus id="6D108818FFF80270FD615553FCC5FD15" box="[726,831,620,646]" pageId="7" pageNumber="8" type="holotype">holotype</typeStatus>
, single such posterior spine in female
<typeStatus id="6D108818FFF80270FEBF55AEFE8BFD38" box="[264,369,657,683]" pageId="7" pageNumber="8" type="paratype">paratype</typeStatus>
. AP5 of right side in
<typeStatus id="6D108818FFF80270FDCD55AEFD1AFD38" box="[634,736,657,683]" pageId="7" pageNumber="8" type="holotype">holotype</typeStatus>
with bifid posterolateral spine.
<typeStatus id="6D108818FFF80270FBD555AEFB35FD38" box="[1122,1231,657,683]" pageId="7" pageNumber="8" type="holotype">Holotype</typeStatus>
pleural spine formulae of AP3/ AP4/ AP5 right side is: 0 ventral, 0 posterolateral, 0 posterior/ 0, 1, 0/ 0, 1 (bifid), 3. Formula for female
<typeStatus id="6D108818FFF80270FD0955E3FCD9FD65" box="[702,803,732,758]" pageId="7" pageNumber="8" type="paratype">paratype</typeStatus>
AP3AP5 right side; 0, 0, 0/ 0, 1, 1/ 0, 1, 0. Dorsal length of abdominal somite 6 about 1.4 times that of somite 5; broad­based mid­lateral spine overlaps base of telson; posterolateral corner of somite spinous.
</paragraph>
<paragraph id="B21436BAFFF80270FE8F5473FC79FB95" blockId="7.[264,1324,284,1870]" pageId="7" pageNumber="8">
Sternites of abdominal somites
<quantity id="75539B5FFFF80270FD195473FD02FCF5" box="[686,760,844,870]" metricMagnitude="-2" metricUnit="m" metricValue="5.08" metricValueMax="7.62" metricValueMin="2.54" pageId="7" pageNumber="8" unit="in" value="2.0" valueMax="3.0" valueMin="1.0">13 in</quantity>
<typeStatus id="6D108818FFF80270FCB75473FC9DFCF5" box="[768,871,844,870]" pageId="7" pageNumber="8" type="holotype">holotype</typeStatus>
(
<figureCitation id="2A902A3FFFF80270FCCF5473FC46FCF5" box="[888,956,844,870]" captionStart="FIGURE 1" captionStartId="5.[264,368,1846,1870]" captionTargetBox="[296,1299,842,1829]" captionTargetId="figure@5.[290,1304,835,1841]" captionTargetPageId="5" captionText="FIGURE 1. Alvinocaris niwa n. sp. a, b, holotype (NIWA 3253), c, paratype female (NIWA 3254); a, lateral view; b, abdomen, ventrolateral view; c, lateral view. Scale bar = 5 mm." httpUri="https://zenodo.org/record/168898/files/figure.png" pageId="7" pageNumber="8">Fig. 1</figureCitation>
b) with submedian pair of narrow, somewhat flexible spines, longer on somites 2 and 3 than on somite 1; somite 4 with single, strong, posteriorly directed spine; somite 5 with large, strong, blade­like, posteriorly directed spine; somite 6 with strong, low­profile spine posteriorly. Sternite spines on somites
<quantity id="75539B5FFFF80270FEDE54D3FE48FB95" box="[361,434,1004,1030]" metricMagnitude="-2" metricUnit="m" metricValue="5.08" metricValueMax="7.62" metricValueMin="2.54" pageId="7" pageNumber="8" unit="in" value="2.0" valueMax="3.0" valueMin="1.0">13 in</quantity>
<typeStatus id="6D108818FFF80270FE0E54D3FDE4FB95" box="[441,542,1004,1030]" pageId="7" pageNumber="8" type="paratype">paratype</typeStatus>
female reduced to blunt teeth.
</paragraph>
<paragraph id="B21436BAFFF80270FE8F532BFCA8FA05" blockId="7.[264,1324,284,1870]" pageId="7" pageNumber="8">
<emphasis id="80DFEAA8FFF80270FE8F532BFE7EFBBE" box="[312,388,1044,1069]" italics="true" pageId="7" pageNumber="8">Telson</emphasis>
(
<figureCitation id="2A902A3FFFF80270FE2D532BFE1DFBBD" box="[410,487,1044,1070]" captionStart="FIGURE 2" captionStartId="6.[264,367,1749,1773]" captionTargetBox="[264,1322,315,1734]" captionTargetId="figure@6.[260,1327,301,1742]" captionTargetPageId="6" captionText="FIGURE 2. Alvinocaris niwa n. sp. holotype (NIWA 3253), a, front, dorsal view; b, antennal peduncle and scale, left side, ventral view; c, telson and uropods, dorsal view; d, mandible, left side, posterior (convex) view; e, mandible, left side, anterior (concave) view; f, first maxilla, right side, posterior view; g, second maxilla, right side, posterior view. Scale bars a c = 4 mm; d f = 1 mm; g = 2 mm." httpUri="https://zenodo.org/record/168899/files/figure.png" pageId="7" pageNumber="8">Fig. 2</figureCitation>
c) broad, almost straight­sided, tapering moderately (anterior width about 1.4 times posterior width), shorter than uropods; armed dorsolaterally on each side with row of six movable spines of similar size (seven in female
<typeStatus id="6D108818FFF80270FBA7535BFB80FBED" box="[1040,1146,1124,1150]" pageId="7" pageNumber="8" type="paratype">paratype</typeStatus>
), rows slightly sinuous anteriorly; posterolateral corner of telson armed with short lateral spine, second twice its length sublaterally adjacent to lateral spine, posterior margin slightly convex bilaterally, slight inwards curve mesially (
<typeStatus id="6D108818FFF80270FCB853E3FC8CFB65" box="[783,886,1244,1270]" pageId="7" pageNumber="8" type="paratype">paratype</typeStatus>
female with pronounced, unevenly shaped median indentation); with 22 long, slender plumose setae distributed evenly along margin between sublateral spines (13 setae distributed unevenly in female
<typeStatus id="6D108818FFF80270FB335213FB16FAD5" box="[1156,1260,1324,1350]" pageId="7" pageNumber="8" type="paratype">paratype</typeStatus>
, several broken off), no gap or spinule apparent between median pair of setae (a wide gap between median pair of setae in female
<typeStatus id="6D108818FFF80270FD6C5243FCBCFA05" box="[731,838,1404,1430]" pageId="7" pageNumber="8" type="paratype">paratype</typeStatus>
).
</paragraph>
</subSubSection>
<subSubSection id="FAB16531FFF80278FE8F529BFB94FBC5" lastPageId="15" lastPageNumber="16" pageId="7" pageNumber="8" type="description">
<paragraph id="B21436BAFFF80270FE8F529BFC1FF99D" blockId="7.[264,1324,284,1870]" pageId="7" pageNumber="8">
<emphasis id="80DFEAA8FFF80270FE8F529BFE95FA2E" box="[312,367,1444,1469]" italics="true" pageId="7" pageNumber="8">Eyes</emphasis>
(
<figureCitation id="2A902A3FFFF80270FE37529BFE3EFA2D" box="[384,452,1444,1470]" captionStart="FIGURE 1" captionStartId="5.[264,368,1846,1870]" captionTargetBox="[296,1299,842,1829]" captionTargetId="figure@5.[290,1304,835,1841]" captionTargetPageId="5" captionText="FIGURE 1. Alvinocaris niwa n. sp. a, b, holotype (NIWA 3253), c, paratype female (NIWA 3254); a, lateral view; b, abdomen, ventrolateral view; c, lateral view. Scale bar = 5 mm." httpUri="https://zenodo.org/record/168898/files/figure.png" pageId="7" pageNumber="8">Fig. 1</figureCitation>
a, c) with stalks fused and immobile, anteriorly with deep vertical mesial groove, cornea unfaceted, globular but shrunken in preserved
<typeStatus id="6D108818FFF80270FB9F52F3FB74FA75" box="[1064,1166,1484,1510]" pageId="7" pageNumber="8" type="holotype">holotype</typeStatus>
and female
<typeStatus id="6D108818FFF80270FEBF52CBFE8AF99D" box="[264,368,1524,1550]" pageId="7" pageNumber="8" type="paratype">paratype</typeStatus>
, with inconspicuous tubercle on anterodorsal surface.
</paragraph>
<paragraph id="B21436BAFFF8027FFE8F5123FB2DFE3D" blockId="7.[264,1324,284,1870]" lastBlockId="8.[264,1323,284,1830]" lastPageId="8" lastPageNumber="9" pageId="7" pageNumber="8">
<emphasis id="80DFEAA8FFF80270FE8F5123FE55F9A6" box="[312,431,1564,1589]" italics="true" pageId="7" pageNumber="8">Antennule</emphasis>
(
<figureCitation id="2A902A3FFFF80270FE085123FDF8F9A5" box="[447,514,1564,1590]" captionStart="FIGURE 1" captionStartId="5.[264,368,1846,1870]" captionTargetBox="[296,1299,842,1829]" captionTargetId="figure@5.[290,1304,835,1841]" captionTargetPageId="5" captionText="FIGURE 1. Alvinocaris niwa n. sp. a, b, holotype (NIWA 3253), c, paratype female (NIWA 3254); a, lateral view; b, abdomen, ventrolateral view; c, lateral view. Scale bar = 5 mm." httpUri="https://zenodo.org/record/168898/files/figure.png" pageId="7" pageNumber="8">Fig. 1</figureCitation>
a, c, 2a) with peduncle fractionally outreaching antennal scale, basal article about 0.75 length of middle article, slightly longer than distal article; stylocerite long, almost reaching distal margin of middle article, strong, sharp, with gentle lateral curve towards tip, isolated from remainder of basal article by deep groove, an L­shaped row of small setae fanning out against dorsal surface immediately distal to proximal dorsal protuberance bearing a few small setae around tip; relatively featureless dorsal surface of proximal article with setae as illustrated including a short longitudinal row, distally with fence of close­set, small setae running across dorsal surface between small, sharp distomesial spine and base of much larger distolateral spine; distolateral spine reaching 0.75 length of middle peduncular article, separated from but parallel with it, strong, blade­like, dished mesially, with sharp tip, smaller subterminal spinule ventral to it (female
<typeStatus id="6D108818FFF7027FFBDF5653FB37FE15" box="[1128,1229,364,390]" pageId="8" pageNumber="9" type="paratype">paratype</typeStatus>
lacking subterminal spinule but spinule usually present in other specimens—see Variation).
</paragraph>
<paragraph id="B21436BAFFF7027FFE8F5683FDECFD0D" blockId="8.[264,1323,284,1830]" pageId="8" pageNumber="9">
Middle article with distomesial spine, scattered setae dorsally, dense row of plumose setae along ventromesial face curving dorsally at distal margin adjacent to distomesial spine; distal segment unarmed, with setae as illustrated, lateral flagellum slightly stouter and longer than mesial (tips of both in
<typeStatus id="6D108818FFF7027FFCBE550BFC8AFDDD" box="[777,880,564,590]" pageId="8" pageNumber="9" type="holotype">holotype</typeStatus>
and of lateral flagellum in female
<typeStatus id="6D108818FFF7027FFEBF5563FE8AFDE5" box="[264,368,604,630]" pageId="8" pageNumber="9" type="paratype">paratype</typeStatus>
, missing), lateral flagellum with long sensory setae inserted between annuli along proximal 0.5 of length.
</paragraph>
<paragraph id="B21436BAFFF7027FFE8F5593FD79FCF5" blockId="8.[264,1323,284,1830]" pageId="8" pageNumber="9">
<emphasis id="80DFEAA8FFF7027FFE8F5593FE60FD56" box="[312,410,684,709]" italics="true" pageId="8" pageNumber="9">Antenna</emphasis>
(
<figureCitation id="2A902A3FFFF7027FFE195593FE0FFD55" box="[430,501,684,710]" captionStart="FIGURE 1" captionStartId="5.[264,368,1846,1870]" captionTargetBox="[296,1299,842,1829]" captionTargetId="figure@5.[290,1304,835,1841]" captionTargetPageId="5" captionText="FIGURE 1. Alvinocaris niwa n. sp. a, b, holotype (NIWA 3253), c, paratype female (NIWA 3254); a, lateral view; b, abdomen, ventrolateral view; c, lateral view. Scale bar = 5 mm." httpUri="https://zenodo.org/record/168898/files/figure.png" pageId="8" pageNumber="9">Fig. 1</figureCitation>
a, c, 2a, b) with scale about 1.7 as long as wide, distolateral tooth strong, falling somewhat short of blade, blade distally curved and projecting furthest mesially. Peduncle reaching almost 0.75 length of scale, basal segment with two strong spines ventrally, one distal, one median. Flagellum about 3.5 times length of carapace (distal 0.25 missing from
<typeStatus id="6D108818FFF7027FFDBC5473FD8DFCF5" box="[523,631,844,870]" pageId="8" pageNumber="9" type="holotype">holotype</typeStatus>
).
</paragraph>
<paragraph id="B21436BAFFF7027FFE8F544BFDDDFB35" blockId="8.[264,1323,284,1830]" pageId="8" pageNumber="9">
<emphasis id="80DFEAA8FFF7027FFE8F544BFE52FC1E" box="[312,424,884,909]" italics="true" pageId="8" pageNumber="9">Mandible</emphasis>
(
<figureCitation id="2A902A3FFFF7027FFE0F544BFDFAFC1D" box="[440,512,884,910]" captionStart="FIGURE 2" captionStartId="6.[264,367,1749,1773]" captionTargetBox="[264,1322,315,1734]" captionTargetId="figure@6.[260,1327,301,1742]" captionTargetPageId="6" captionText="FIGURE 2. Alvinocaris niwa n. sp. holotype (NIWA 3253), a, front, dorsal view; b, antennal peduncle and scale, left side, ventral view; c, telson and uropods, dorsal view; d, mandible, left side, posterior (convex) view; e, mandible, left side, anterior (concave) view; f, first maxilla, right side, posterior view; g, second maxilla, right side, posterior view. Scale bars a c = 4 mm; d f = 1 mm; g = 2 mm." httpUri="https://zenodo.org/record/168899/files/figure.png" pageId="8" pageNumber="9">Fig. 2</figureCitation>
d, e) with two­segmented palp, distal segment with long setae on lateral margin and posterior face as illustrated, proximal segment with three long, plumose setae on distal lateral margin. Incisor process with an upper portion bearing four blunt teeth but lacking dorsal, subterminal tooth, lower portion projecting further than upper with four stronger teeth (female
<typeStatus id="6D108818FFF7027FFD3C532BFD0AFBBD" box="[651,752,1044,1070]" pageId="8" pageNumber="9" type="paratype">paratype</typeStatus>
with similar division into upper and lower portions, upper with one large and two small teeth, lower with four large and one small tooth); molar process distinct from incisor process, separated from it by shallow notch, rounded tip lacking minute setae.
</paragraph>
<paragraph id="B21436BAFFF7027FFE8F538BFBE4FA75" blockId="8.[264,1323,284,1830]" pageId="8" pageNumber="9">
<emphasis id="80DFEAA8FFF7027FFE8F538BFE2FFB5E" box="[312,469,1204,1229]" italics="true" pageId="8" pageNumber="9">First maxilla</emphasis>
(
<figureCitation id="2A902A3FFFF7027FFE5C538BFDCFFB5D" box="[491,565,1204,1230]" captionStart="FIGURE 2" captionStartId="6.[264,367,1749,1773]" captionTargetBox="[264,1322,315,1734]" captionTargetId="figure@6.[260,1327,301,1742]" captionTargetPageId="6" captionText="FIGURE 2. Alvinocaris niwa n. sp. holotype (NIWA 3253), a, front, dorsal view; b, antennal peduncle and scale, left side, ventral view; c, telson and uropods, dorsal view; d, mandible, left side, posterior (convex) view; e, mandible, left side, anterior (concave) view; f, first maxilla, right side, posterior view; g, second maxilla, right side, posterior view. Scale bars a c = 4 mm; d f = 1 mm; g = 2 mm." httpUri="https://zenodo.org/record/168899/files/figure.png" pageId="8" pageNumber="9">Fig. 2</figureCitation>
f) proximal endite oval, curving anteriorly (dished anteriorly) bearing numerous distal marginal setae, densest around narrow anteromesial tip; distal endite with narrow base, distal margin curving anteriorly, armed with two regular rows of about 23 teeth with additional submarginal teeth around proximal and distal ends of spine rows, numerous setae on proximal margin and posterior surface proximal to teeth, longer plumose setae placed irregularly around distal tip and lateral margin of endite; palp with round tip and mesial, subterminal protrusion bearing single long, sparsely plumose seta, two smaller setae on raised subterminal area adjacent to protrusion.
</paragraph>
<paragraph id="B21436BAFFF7027FFE8F52CBFB22F8B5" blockId="8.[264,1323,284,1830]" pageId="8" pageNumber="9">
<emphasis id="80DFEAA8FFF7027FFE8F52CBFE17F99E" box="[312,493,1524,1549]" italics="true" pageId="8" pageNumber="9">Second maxilla</emphasis>
(
<figureCitation id="2A902A3FFFF7027FFE4952CBFDBFF99D" box="[510,581,1524,1550]" captionStart="FIGURE 2" captionStartId="6.[264,367,1749,1773]" captionTargetBox="[264,1322,315,1734]" captionTargetId="figure@6.[260,1327,301,1742]" captionTargetPageId="6" captionText="FIGURE 2. Alvinocaris niwa n. sp. holotype (NIWA 3253), a, front, dorsal view; b, antennal peduncle and scale, left side, ventral view; c, telson and uropods, dorsal view; d, mandible, left side, posterior (convex) view; e, mandible, left side, anterior (concave) view; f, first maxilla, right side, posterior view; g, second maxilla, right side, posterior view. Scale bars a c = 4 mm; d f = 1 mm; g = 2 mm." httpUri="https://zenodo.org/record/168899/files/figure.png" pageId="8" pageNumber="9">
Fig.
<quantity id="75539B5FFFF7027FFD8152CBFDBFF99D" box="[566,581,1524,1550]" metricMagnitude="-3" metricUnit="kg" metricValue="2.0" pageId="8" pageNumber="9" unit="g" value="2.0">2</quantity>
</figureCitation>
g) endites dished anteriorly, densely setose distally on margins and submarginally, proximal endite of two lobes, distal lobe with small, setose protrusion on anterior margin, distal endite spatulate in posterior view, with uniform row of small setae along lateral margin; palp sinuous, strap­like with short row of small, plumose setae on lateral margin, tip unarmed; scaphognathite almost rectangular anteriorly, fringed with long plumose setae anteriorly, shorter plumose setae on mesial and almost entire lateral margins, narrowing to acuminate posterior lobe armed around tip and mesial margin with series of very long, strong setae, a row of small setae proximally on mesial margin.
</paragraph>
<paragraph id="B21436BAFFF6027EFE8F5623FE8CFDB5" blockId="9.[264,1325,284,1870]" pageId="9" pageNumber="10">
<emphasis id="80DFEAA8FFF6027EFE8F5623FE0FFEA6" box="[312,501,284,309]" italics="true" pageId="9" pageNumber="10">First maxilliped</emphasis>
(
<figureCitation id="2A902A3FFFF6027EFDB15623FDB6FEA5" box="[518,588,284,310]" captionStart="FIGURE 3" captionStartId="11.[264,368,1753,1777]" captionTargetBox="[264,1322,316,1741]" captionTargetId="figure@11.[260,1327,315,1744]" captionTargetPageId="11" captionText="FIGURE 3. Alvinocaris niwa n. sp. holotype (NIWA 3253), a, first maxilliped, left side, anterior view; b, second maxilliped, right side, posterior view; c, second maxilliped, right side, anterior view; d, third maxilliped, right side, lateral view; e, third maxilliped, right side, mesial view; f, first pereopod, right side, lateral view; g, first pereopod, right side, mesial view; h, first pereopod fingers, right side, lateral (concave) view. Scale bars a c = 2 mm; d g = 4 mm; h = 1 mm." httpUri="https://zenodo.org/record/168900/files/figure.png" pageId="9" pageNumber="10">Fig. 3</figureCitation>
a) endite strongly dished anteriorly, fringed along lateral margin by dense setae, along anterior margin by numerous plumose setae; exopod ovate, fringed by long plumose setae, submarginal ridge laterally with palp flattened against it, group of very densely plumose setae (cluttered with fine detritus) on ridge distal to tip of palp, group of similar setae on opposite face of exopod; palp with row of fine setae on mesial and lateral edges, tipped by one acuminate spine or distal segment; epipod bilobed, unarmed.
</paragraph>
<paragraph id="B21436BAFFF6027EFE8F550BFAE8FCAD" blockId="9.[264,1325,284,1870]" pageId="9" pageNumber="10">
<emphasis id="80DFEAA8FFF6027EFE8F550BFDF5FDDE" box="[312,527,564,589]" italics="true" pageId="9" pageNumber="10">Second maxilliped</emphasis>
(
<figureCitation id="2A902A3FFFF6027EFD97550BFD9CFDDD" box="[544,614,564,590]" captionStart="FIGURE 3" captionStartId="11.[264,368,1753,1777]" captionTargetBox="[264,1322,316,1741]" captionTargetId="figure@11.[260,1327,315,1744]" captionTargetPageId="11" captionText="FIGURE 3. Alvinocaris niwa n. sp. holotype (NIWA 3253), a, first maxilliped, left side, anterior view; b, second maxilliped, right side, posterior view; c, second maxilliped, right side, anterior view; d, third maxilliped, right side, lateral view; e, third maxilliped, right side, mesial view; f, first pereopod, right side, lateral view; g, first pereopod, right side, mesial view; h, first pereopod fingers, right side, lateral (concave) view. Scale bars a c = 2 mm; d g = 4 mm; h = 1 mm." httpUri="https://zenodo.org/record/168900/files/figure.png" pageId="9" pageNumber="10">Fig. 3</figureCitation>
b, c) pediform but rather flattened; coxa fringed mesially by long, dense, plumose setae, fused basis­ischium with regular mesial row of long, strong, sparsely plumose setae, opposite margin and that of merus, carpus, propodus bordered by long, plumose setae, dactylus bordered by long, plumose or serrate setae, forming particularly dense, nest­like pad around mesial part of dactyl; epipod leaf­like, unarmed; podobranch rudimentary with tip shallowly bifurcate, mesial branch with a small terminal seta, lateral margin with elbow bearing about four tiny tooth­like projections (not illustrated).
</paragraph>
<paragraph id="B21436BAFFF6027EFE8F5473FBD3FB65" blockId="9.[264,1325,284,1870]" pageId="9" pageNumber="10">
<emphasis id="80DFEAA8FFF6027EFE8F5473FDFBFCF6" box="[312,513,844,869]" italics="true" pageId="9" pageNumber="10">Third maxilliped</emphasis>
(
<figureCitation id="2A902A3FFFF6027EFDA15473FD9BFCF5" box="[534,609,844,870]" captionStart="FIGURE 3" captionStartId="11.[264,368,1753,1777]" captionTargetBox="[264,1322,316,1741]" captionTargetId="figure@11.[260,1327,315,1744]" captionTargetPageId="11" captionText="FIGURE 3. Alvinocaris niwa n. sp. holotype (NIWA 3253), a, first maxilliped, left side, anterior view; b, second maxilliped, right side, posterior view; c, second maxilliped, right side, anterior view; d, third maxilliped, right side, lateral view; e, third maxilliped, right side, mesial view; f, first pereopod, right side, lateral view; g, first pereopod, right side, mesial view; h, first pereopod fingers, right side, lateral (concave) view. Scale bars a c = 2 mm; d g = 4 mm; h = 1 mm." httpUri="https://zenodo.org/record/168900/files/figure.png" pageId="9" pageNumber="10">Fig. 3</figureCitation>
d, e) long, four­segmented, outreaching antennal scale by about 0.5 length of fused propodus­dactylus terminal segment; terminal segment triangular in cross­section, tapered distally, tip with three spines, an irregular row of about four additional spines subterminally on mesial face, five groups of distally directed serrate setae arranged in close­set, transverse tracts along mesial face, groups overlapping to form a longitudinal pad; posterolateral face of terminal segment somewhat dished, angle between posterolateral and anterolateral faces armed with row of seven or eight slender spines or spine­like setae (female
<typeStatus id="6D108818FFF6027EFD98535BFD6EFBED" box="[559,660,1124,1150]" pageId="9" pageNumber="10" type="paratype">paratype</typeStatus>
with distal two or three setae spine­like, remainder of row consisting of strong setae); carpus with pads of dense setae on distal 0.66, similar and adjacent to those of terminal segment; merus­ischium with row of small but similarly strong setae, otherwise armed as illustrated; coxa with small epipod.
</paragraph>
<paragraph id="B21436BAFFF6027DFE8F523BFC45FECD" blockId="9.[264,1325,284,1870]" lastBlockId="10.[264,1323,284,1870]" lastPageId="10" lastPageNumber="11" pageId="9" pageNumber="10">
<emphasis id="80DFEAA8FFF6027EFE8F523BFE1FFA8E" box="[312,485,1284,1309]" italics="true" pageId="9" pageNumber="10">First pereopod</emphasis>
(P1) (
<figureCitation id="2A902A3FFFF6027EFD99523BFD8AFA8D" box="[558,624,1284,1310]" captionStart="FIGURE 1" captionStartId="5.[264,368,1846,1870]" captionTargetBox="[296,1299,842,1829]" captionTargetId="figure@5.[290,1304,835,1841]" captionTargetPageId="5" captionText="FIGURE 1. Alvinocaris niwa n. sp. a, b, holotype (NIWA 3253), c, paratype female (NIWA 3254); a, lateral view; b, abdomen, ventrolateral view; c, lateral view. Scale bar = 5 mm." httpUri="https://zenodo.org/record/168898/files/figure.png" pageId="9" pageNumber="10">Fig. 1</figureCitation>
a, c, 3fh) slightly outreaching third maxilliped, robust; fingers curved downwards and outwards, together concave laterally, fixed finger 2.0 times width of dactyl basally, opposing edges of fingers each armed with row of uniform teeth close­set against one another, teeth of fixed finger somewhat longer than on dactyl, row on dactyl angled towards convex side to interdigitate with teeth on fixed finger (Fig h), finger tips slightly spooned by teeth fanned around edge, latter teeth fused to form corneous edge around lateral border of dactyl tip, line of sensory setae on each concave surface running parallel to teeth, setae on fixed finger fewer, more widely spaced than on dactyl; second, shorter, uneven row along dished lateral surface of fixed finger; dactyl fractionally outreaching fixed finger, fingers somewhat shorter than inflated palm [in female
<typeStatus id="6D108818FFF6027EFB715153FAD1F915" box="[1222,1323,1644,1670]" pageId="9" pageNumber="10" type="paratype">paratype</typeStatus>
(
<figureCitation id="2A902A3FFFF6027EFEA651ABFEADF93D" box="[273,343,1684,1710]" captionStart="FIGURE 1" captionStartId="5.[264,368,1846,1870]" captionTargetBox="[296,1299,842,1829]" captionTargetId="figure@5.[290,1304,835,1841]" captionTargetPageId="5" captionText="FIGURE 1. Alvinocaris niwa n. sp. a, b, holotype (NIWA 3253), c, paratype female (NIWA 3254); a, lateral view; b, abdomen, ventrolateral view; c, lateral view. Scale bar = 5 mm." httpUri="https://zenodo.org/record/168898/files/figure.png" pageId="9" pageNumber="10">Fig. 1</figureCitation>
c) chela hardly inflated, palm barely 0.33 length of fingers]; carpus short, cone shaped, cupped distally to accommodate palm, with smaller blunt protuberance on distomesial margin, lateral ridge produced distally into strong process with pinched tip (process slender, acuminate in female
<typeStatus id="6D108818FFF6027EFD0E5033FCDEF8B5" box="[697,804,1804,1830]" pageId="9" pageNumber="10" type="paratype">paratype</typeStatus>
); dense, clearly delineated pad of strong, serrate setae posteriorly between pinched and smaller process with single larger, movable spine adjacent to proximal corner of pad of serrate setae; merus, ischium somewhat flattened, they and distinct basis and coxa armed as illustrated.
</paragraph>
<paragraph id="B21436BAFFF5027DFE8F5653FD93FDE5" blockId="10.[264,1323,284,1870]" pageId="10" pageNumber="11">
<emphasis id="80DFEAA8FFF5027DFE8F5653FDF8FE16" box="[312,514,364,389]" italics="true" pageId="10" pageNumber="11">Second pereopod</emphasis>
(P2) (
<figureCitation id="2A902A3FFFF5027DFDFB5653FD6EFE15" box="[588,660,364,390]" captionStart="FIGURE 4" captionStartId="12.[264,368,1640,1664]" captionTargetBox="[264,1322,321,1600]" captionTargetId="figure@12.[260,1327,303,1632]" captionTargetPageId="12" captionText="FIGURE 4. Alvinocaris niwa n. sp. a e, g, h, holotype (NIWA 3253); f, paratype male (MNZ CR. 9973); a, second pereopod, right side, lateral view; b, second pereopod chela, right side, anterior view; c e, third to fifth pereopods, right side, lateral view; f, third pereopod dactyl, right side, lateral view; g, third pereopod propodus and dactyl, right side, ventral view; h, second pleopod appendix interna and appendix masculina, right side, anterior view. Scale bars a = 4 mm; b = 2 mm; c e = 4 mm; f = 1 mm; g = 2 mm; h = 1 mm." httpUri="https://zenodo.org/record/168901/files/figure.png" pageId="10" pageNumber="11">Fig. 4</figureCitation>
a, b) shorter and more slender than first, reaching end of antennal scale; fingers subequal to palm, similar in size and shape, opposing edges without gape, each pectinate with single row of short teeth directed obliquely distally, row beginning about 0.2 from base of each finger, increasing slightly in size distally, terminating in larger spine at each finger tip, terminal spines scissor when chela closed (terminal spine of fixed finger missing from
<typeStatus id="6D108818FFF5027DFD8A550BFD53FDDD" box="[573,681,564,590]" pageId="10" pageNumber="11" type="holotype">holotype</typeStatus>
); carpus, merus armed as illustrated, ischium with single spine at about 0.75 length.
</paragraph>
<paragraph id="B21436BAFFF5027DFE8F55BBFCBDFBBD" blockId="10.[264,1323,284,1870]" pageId="10" pageNumber="11">
<emphasis id="80DFEAA8FFF5027DFE8F55BBFD9AFD0E" box="[312,608,644,669]" italics="true" pageId="10" pageNumber="11">Third to fifth pereopods</emphasis>
(P3P5) (
<figureCitation id="2A902A3FFFF5027DFD5455BBFCD5FD0D" box="[739,815,644,670]" captionStart="FIGURE 4" captionStartId="12.[264,368,1640,1664]" captionTargetBox="[264,1322,321,1600]" captionTargetId="figure@12.[260,1327,303,1632]" captionTargetPageId="12" captionText="FIGURE 4. Alvinocaris niwa n. sp. a e, g, h, holotype (NIWA 3253); f, paratype male (MNZ CR. 9973); a, second pereopod, right side, lateral view; b, second pereopod chela, right side, anterior view; c e, third to fifth pereopods, right side, lateral view; f, third pereopod dactyl, right side, lateral view; g, third pereopod propodus and dactyl, right side, ventral view; h, second pleopod appendix interna and appendix masculina, right side, anterior view. Scale bars a = 4 mm; b = 2 mm; c e = 4 mm; f = 1 mm; g = 2 mm; h = 1 mm." httpUri="https://zenodo.org/record/168901/files/figure.png" pageId="10" pageNumber="11">Fig. 4</figureCitation>
cg) similar in length although propodus becoming progressively longer, merus progressively shorter from P3P5 (propodi 6.0, 6.4,
<quantity id="75539B5FFFF5027DFEBF55EBFE9CFD7D" box="[264,358,724,750]" metricMagnitude="-3" metricUnit="m" metricValue="7.6" pageId="10" pageNumber="11" unit="mm" value="7.6">7.6 mm</quantity>
; meri 8.1, 7.5,
<quantity id="75539B5FFFF5027DFDAD55EBFD80FD7D" box="[538,634,724,750]" metricMagnitude="-3" metricUnit="m" metricValue="6.5" pageId="10" pageNumber="11" unit="mm" value="6.5">6.5 mm</quantity>
), P3 outreaching antennal scale by 0.66 propodus; dactyls short, armed with single terminal corneous spine and two rows of three or four + three or four subterminal corneous spines on flexor surface (
<figureCitation id="2A902A3FFFF5027DFCC5541BFC40FCAD" box="[882,954,804,830]" captionStart="FIGURE 4" captionStartId="12.[264,368,1640,1664]" captionTargetBox="[264,1322,321,1600]" captionTargetId="figure@12.[260,1327,303,1632]" captionTargetPageId="12" captionText="FIGURE 4. Alvinocaris niwa n. sp. a e, g, h, holotype (NIWA 3253); f, paratype male (MNZ CR. 9973); a, second pereopod, right side, lateral view; b, second pereopod chela, right side, anterior view; c e, third to fifth pereopods, right side, lateral view; f, third pereopod dactyl, right side, lateral view; g, third pereopod propodus and dactyl, right side, ventral view; h, second pleopod appendix interna and appendix masculina, right side, anterior view. Scale bars a = 4 mm; b = 2 mm; c e = 4 mm; f = 1 mm; g = 2 mm; h = 1 mm." httpUri="https://zenodo.org/record/168901/files/figure.png" pageId="10" pageNumber="11">Fig. 4</figureCitation>
f), smallest proximally, longest distally (subterminal spines damaged in
<typeStatus id="6D108818FFF5027DFD6A5473FCB3FCF5" box="[733,841,844,870]" pageId="10" pageNumber="11" type="holotype">holotype</typeStatus>
); propodus with irregular, composite row of spines ventrolaterally becoming denser distally, densest against lateral face of dactylus (
<figureCitation id="2A902A3FFFF5027DFEA754A3FEA8FC25" box="[272,338,924,950]" captionStart="FIGURE 4" captionStartId="12.[264,368,1640,1664]" captionTargetBox="[264,1322,321,1600]" captionTargetId="figure@12.[260,1327,303,1632]" captionTargetPageId="12" captionText="FIGURE 4. Alvinocaris niwa n. sp. a e, g, h, holotype (NIWA 3253); f, paratype male (MNZ CR. 9973); a, second pereopod, right side, lateral view; b, second pereopod chela, right side, anterior view; c e, third to fifth pereopods, right side, lateral view; f, third pereopod dactyl, right side, lateral view; g, third pereopod propodus and dactyl, right side, ventral view; h, second pleopod appendix interna and appendix masculina, right side, anterior view. Scale bars a = 4 mm; b = 2 mm; c e = 4 mm; f = 1 mm; g = 2 mm; h = 1 mm." httpUri="https://zenodo.org/record/168901/files/figure.png" pageId="10" pageNumber="11">Fig 4</figureCitation>
f, g), row shortest and sparsest on P3, longest and densest on P5; carpus of each pereopod with distodorsal extension over proximal extensor surface of propodus; ischium and merus of P3 stronger than in P4 or P5, meri of pereopods without spines, ischium of pereopods armed with two posteroventral spines.
</paragraph>
<paragraph id="B21436BAFFF5027DFE8F5303FE55FA8D" blockId="10.[264,1323,284,1870]" pageId="10" pageNumber="11">
<emphasis id="80DFEAA8FFF5027DFE8F5303FE5FFBC6" box="[312,421,1084,1109]" italics="true" pageId="10" pageNumber="11">Pleopods</emphasis>
(
<figureCitation id="2A902A3FFFF5027DFE035303FE0DFBC5" box="[436,503,1084,1110]" captionStart="FIGURE 1" captionStartId="5.[264,368,1846,1870]" captionTargetBox="[296,1299,842,1829]" captionTargetId="figure@5.[290,1304,835,1841]" captionTargetPageId="5" captionText="FIGURE 1. Alvinocaris niwa n. sp. a, b, holotype (NIWA 3253), c, paratype female (NIWA 3254); a, lateral view; b, abdomen, ventrolateral view; c, lateral view. Scale bar = 5 mm." httpUri="https://zenodo.org/record/168898/files/figure.png" pageId="10" pageNumber="11">Fig. 1</figureCitation>
a, c, 4h) well developed, endopods about 0.5 length of exopod on first pleopod, subequal with exopod in pleopods 25; appendix interna of pleopods 24 slender with about three or four, three or four, nine cincinnuli mesially on tips; of pleopod 5 twice as wide, parallel sided, with 3050 cincinnuli distributed in fingernail­shaped pad at tip on mesial surface; appendix masculina (fig 4h) with about eight slender spines around tip and subterminally.
</paragraph>
<paragraph id="B21436BAFFF5027DFE8F5213FEC2FA05" blockId="10.[264,1323,284,1870]" pageId="10" pageNumber="11">
<emphasis id="80DFEAA8FFF5027DFE8F5213FE64FAD6" box="[312,414,1324,1349]" italics="true" pageId="10" pageNumber="11">Uropods</emphasis>
(
<figureCitation id="2A902A3FFFF5027DFE195213FE16FAD5" box="[430,492,1324,1350]" captionStart="FIGURE 1" captionStartId="5.[264,368,1846,1870]" captionTargetBox="[296,1299,842,1829]" captionTargetId="figure@5.[290,1304,835,1841]" captionTargetPageId="5" captionText="FIGURE 1. Alvinocaris niwa n. sp. a, b, holotype (NIWA 3253), c, paratype female (NIWA 3254); a, lateral view; b, abdomen, ventrolateral view; c, lateral view. Scale bar = 5 mm." httpUri="https://zenodo.org/record/168898/files/figure.png" pageId="10" pageNumber="11">Fig 1</figureCitation>
a, c, 2c) with exopod and endopod subequal, slightly outreaching telson, exopod with movable spine mesial to distolateral tooth half its length; diaresis sinuous.
</paragraph>
<paragraph id="B21436BAFFF5027DFE8F529BFDFAF99D" blockId="10.[264,1323,284,1870]" pageId="10" pageNumber="11">
<emphasis id="80DFEAA8FFF5027DFE8F529BFE19FA2E" box="[312,483,1444,1469]" italics="true" pageId="10" pageNumber="11">Phyllobranchs</emphasis>
(not illustrated) with pleurobranchs progressively larger posteriorly associated with P15; smaller more similarly sized arthrobranchs associated with third maxilliped and P14.
</paragraph>
<paragraph id="B21436BAFFF5027DFE8F5123FBFAF8DD" blockId="10.[264,1323,284,1870]" pageId="10" pageNumber="11">
<emphasis id="80DFEAA8FFF5027DFE8F5123FE5BF9A6" box="[312,417,1564,1589]" italics="true" pageId="10" pageNumber="11">Var ia t io n</emphasis>
: In the following a range of spine counts is given along with observations of other variable characters, in the sequence followed in the forgoing description. Ranges of measurements, and of tooth and spine numbers, are followed by the sample number (in brackets). The sample number (indicating the number of specimens on which spines or teeth of a single character were measured; or the total number of bilateral characters on which spines or teeth were counted) is given in each case, because all the characters assessed are damaged in one of more specimens. A correlation analysis comparing animal size with some other variables, appears at the end of this section.
</paragraph>
<caption id="E6D46632FFF4027CFEBF51E6FB51F8E3" httpUri="https://zenodo.org/record/168900/files/figure.png" pageId="11" pageNumber="12" targetBox="[264,1322,316,1741]" targetPageId="11">
<paragraph id="B21436BAFFF4027CFEBF51E6FB51F8E3" blockId="11.[264,1323,1753,1904]" pageId="11" pageNumber="12">
<emphasis id="80DFEAA8FFF4027CFEBF51E6FE76F962" bold="true" box="[264,396,1753,1777]" pageId="11" pageNumber="12">FIGURE 3.</emphasis>
<taxonomicName id="75AB4D39FFF4027CFE2251E6FDB6F963" box="[405,588,1753,1776]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="12" phylum="Arthropoda" rank="species" species="niwa" status="sp. nov.">
<emphasis id="80DFEAA8FFF4027CFE2251E6FDB6F963" box="[405,588,1753,1776]" italics="true" pageId="11" pageNumber="12">Alvinocaris niwa</emphasis>
</taxonomicName>
<taxonomicNameLabel id="9BEC57D3FFF4027CFDE351E6FD6AF963" box="[596,656,1753,1776]" pageId="11" pageNumber="12" rank="species">n. sp.</taxonomicNameLabel>
holotype (
<taxonomicName id="75AB4D39FFF4027CFCB251E6FCB6F963" box="[773,844,1753,1776]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="24" phylum="Arthropoda" rank="species" species="niwa">NIWA</taxonomicName>
3253), a, first maxilliped, left side, anterior view; b, second maxilliped, right side, posterior view; c, second maxilliped, right side, anterior view; d, third maxilliped, right side, lateral view; e, third maxilliped, right side, mesial view; f, first pereopod, right side, lateral view; g, first pereopod, right side, mesial view; h, first pereopod fingers, right side, lateral (concave) view. Scale bars ac = 2 mm; dg = 4 mm; h = 1 mm.
</paragraph>
</caption>
<caption id="E6D46632FFF3027BFEBF5157FD13F8AF" httpUri="https://zenodo.org/record/168901/files/figure.png" pageId="12" pageNumber="13" targetBox="[264,1322,321,1600]" targetPageId="12">
<paragraph id="B21436BAFFF3027BFEBF5157FD13F8AF" blockId="12.[264,1323,1640,1852]" pageId="12" pageNumber="13">
<emphasis id="80DFEAA8FFF3027BFEBF5157FE74F913" bold="true" box="[264,398,1640,1664]" pageId="12" pageNumber="13">FIGURE 4.</emphasis>
<taxonomicName id="75AB4D39FFF3027BFE2E5156FDA8F913" box="[409,594,1641,1664]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="13" phylum="Arthropoda" rank="species" species="niwa" status="sp. nov.">
<emphasis id="80DFEAA8FFF3027BFE2E5156FDA8F913" box="[409,594,1641,1664]" italics="true" pageId="12" pageNumber="13">Alvinocaris niwa</emphasis>
</taxonomicName>
<taxonomicNameLabel id="9BEC57D3FFF3027BFDEB5156FD60F913" box="[604,666,1641,1664]" pageId="12" pageNumber="13" rank="species">n. sp.</taxonomicNameLabel>
ae, g, h, holotype (
<taxonomicName id="75AB4D39FFF3027BFC315156FC34F913" box="[902,974,1641,1664]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="24" phylum="Arthropoda" rank="species" species="niwa">NIWA</taxonomicName>
3253); f, paratype male (MNZ CR.9973); a, second pereopod, right side, lateral view; b, second pereopod chela, right side, anterior view; ce, third to fifth pereopods, right side, lateral view; f, third pereopod dactyl, right side, lateral view; g, third pereopod propodus and dactyl, right side, ventral view; h, second pleopod appendix interna and appendix masculina, right side, anterior view. Scale bars a = 4 mm; b = 2 mm; ce = 4 mm; f = 1 mm; g = 2 mm; h = 1 mm.
</paragraph>
</caption>
<paragraph id="B21436BAFFF2027AFE8F5623FB9EFE45" blockId="13.[264,1323,284,790]" pageId="13" pageNumber="14">
<emphasis id="80DFEAA8FFF2027AFE8F5623FE51FEA6" box="[312,427,284,309]" italics="true" pageId="13" pageNumber="14">Carapace</emphasis>
: The total number of dorsal teeth ranges 517 (n = 83) including 412 rostral teeth; 06 carapace teeth; 30 of these specimens lack carapace teeth with all their dorsal teeth being confined to the rostrum. Rostral ventral teeth are usually absent (n = 82) but seven have a single, tiny tooth distally. The rostral ventral carina arches ventrally considerably more in some specimens (e.g. female
<typeStatus id="6D108818FFF2027AFD4B5683FC99FE45" box="[764,867,444,470]" pageId="13" pageNumber="14" type="paratype">paratype</typeStatus>
) than in the
<typeStatus id="6D108818FFF2027AFC425683FBA5FE45" box="[1013,1119,444,470]" pageId="13" pageNumber="14" type="holotype">holotype</typeStatus>
.
</paragraph>
<paragraph id="B21436BAFFF2027AFE8F56DBFB49FDDD" blockId="13.[264,1323,284,790]" pageId="13" pageNumber="14">The carapace dorsal profile is noticeably variable; in at least one specimen it is horizontal while in some large specimens it is gently arched and often, a shallow saddle is present in profile at around 0.60.7 of the carapace length, posterior to the orbit.</paragraph>
<paragraph id="B21436BAFFF2027AFE8F5563FD2AFD55" blockId="13.[264,1323,284,790]" pageId="13" pageNumber="14">
The antennal spine in some specimens extends slightly beyond the eyes. The pterygostomian spine projects considerably further forward in most specimens (e.g. female
<typeStatus id="6D108818FFF2027AFEBF5593FE8AFD55" box="[264,368,684,710]" pageId="13" pageNumber="14" type="paratype">paratype</typeStatus>
,
<figureCitation id="2A902A3FFFF2027AFECB5593FE46FD55" box="[380,444,684,710]" captionStart="FIGURE 1" captionStartId="5.[264,368,1846,1870]" captionTargetBox="[296,1299,842,1829]" captionTargetId="figure@5.[290,1304,835,1841]" captionTargetPageId="5" captionText="FIGURE 1. Alvinocaris niwa n. sp. a, b, holotype (NIWA 3253), c, paratype female (NIWA 3254); a, lateral view; b, abdomen, ventrolateral view; c, lateral view. Scale bar = 5 mm." httpUri="https://zenodo.org/record/168898/files/figure.png" pageId="13" pageNumber="14">Fig. 1</figureCitation>
c) than in the
<typeStatus id="6D108818FFF2027AFDD55593FD37FD55" box="[610,717,684,710]" pageId="13" pageNumber="14" type="holotype">holotype</typeStatus>
.
</paragraph>
<paragraph id="B21436BAFFF2027AFE8F55EBFBB0FC85" blockId="13.[264,1323,284,790]" pageId="13" pageNumber="14">
<emphasis id="80DFEAA8FFF2027AFE8F55EBFDF7FD7E" box="[312,525,724,749]" italics="true" pageId="13" pageNumber="14">Abdominal pleura</emphasis>
: On abdominal somites 35, the numbers of pleura without spines or with one or more spines are as follows (sample number in brackets):
</paragraph>
<paragraph id="B21436BAFFF2027AFEED5448FB56FAB8" pageId="13" pageNumber="14">
<table id="C0ABC41AFFF2FD88FEED5448FB11FAB8" box="[346,1259,887,1323]" gridcols="4" gridrows="10" pageId="13" pageNumber="14">
<tr id="0C9B34F8FFF2FD88FEED5448FB11FC1F" box="[346,1259,887,908]" gridrow="0" pageId="13" pageNumber="14">
<th id="4F4A5D84FFF2FD88FEED5448FE45FC1F" box="[346,447,887,908]" gridcol="0" gridrow="0" pageId="13" pageNumber="14">No. spines</th>
<th id="4F4A5D84FFF2FD88FDE75448FD20FC1F" box="[592,730,887,908]" gridcol="1" gridrow="0" pageId="13" pageNumber="14">AP3 (n = 173)</th>
<th id="4F4A5D84FFF2FD88FCEE5448FC18FC1F" box="[857,994,887,908]" gridcol="2" gridrow="0" pageId="13" pageNumber="14">AP4 (n = 169)</th>
<th id="4F4A5D84FFF2FD88FBD65448FB11FC1F" box="[1121,1259,887,908]" gridcol="3" gridrow="0" pageId="13" pageNumber="14">AP5 (n = 172)</th>
</tr>
<tr id="0C9B34F8FFF2FD88FEED549EFB11FC25" box="[346,1259,929,950]" gridrow="1" pageId="13" pageNumber="14" rowspan-3="1">
<th id="4F4A5D84FFF2FD88FEED549EFE45FC25" box="[346,447,929,950]" gridcol="0" gridrow="1" pageId="13" pageNumber="14">0</th>
<td id="4F4A5D84FFF2FD88FDE7549EFD20FC25" box="[592,730,929,950]" gridcol="1" gridrow="1" pageId="13" pageNumber="14">149</td>
<td id="4F4A5D84FFF2FD88FCEE549EFC18FC25" box="[857,994,929,950]" gridcol="2" gridrow="1" pageId="13" pageNumber="14">5</td>
</tr>
<tr id="0C9B34F8FFF2FD88FEED54EEFB11FC75" box="[346,1259,977,998]" gridrow="2" pageId="13" pageNumber="14">
<th id="4F4A5D84FFF2FD88FEED54EEFE45FC75" box="[346,447,977,998]" gridcol="0" gridrow="2" pageId="13" pageNumber="14">1</th>
<td id="4F4A5D84FFF2FD88FDE754EEFD20FC75" box="[592,730,977,998]" gridcol="1" gridrow="2" pageId="13" pageNumber="14">22</td>
<td id="4F4A5D84FFF2FD88FCEE54EEFC18FC75" box="[857,994,977,998]" gridcol="2" gridrow="2" pageId="13" pageNumber="14">152</td>
<td id="4F4A5D84FFF2FD88FBD654EEFB11FC75" box="[1121,1259,977,998]" gridcol="3" gridrow="2" pageId="13" pageNumber="14">8</td>
</tr>
<tr id="0C9B34F8FFF2FD88FEED54C3FB11FB82" box="[346,1259,1020,1041]" gridrow="3" pageId="13" pageNumber="14">
<th id="4F4A5D84FFF2FD88FEED54C3FE45FB82" box="[346,447,1020,1041]" gridcol="0" gridrow="3" pageId="13" pageNumber="14">2</th>
<td id="4F4A5D84FFF2FD88FDE754C3FD20FB82" box="[592,730,1020,1041]" gridcol="1" gridrow="3" pageId="13" pageNumber="14">4</td>
<td id="4F4A5D84FFF2FD88FCEE54C3FC18FB82" box="[857,994,1020,1041]" gridcol="2" gridrow="3" pageId="13" pageNumber="14">8</td>
<td id="4F4A5D84FFF2FD88FBD654C3FB11FB82" box="[1121,1259,1020,1041]" gridcol="3" gridrow="3" pageId="13" pageNumber="14">27</td>
</tr>
<tr id="0C9B34F8FFF2FD88FEED5319FB11FBA8" box="[346,1259,1062,1083]" gridrow="4" pageId="13" pageNumber="14" rowspan-1="1">
<th id="4F4A5D84FFF2FD88FEED5319FE45FBA8" box="[346,447,1062,1083]" gridcol="0" gridrow="4" pageId="13" pageNumber="14">3</th>
<td id="4F4A5D84FFF2FD88FCEE5319FC18FBA8" box="[857,994,1062,1083]" gridcol="2" gridrow="4" pageId="13" pageNumber="14">2</td>
<td id="4F4A5D84FFF2FD88FBD65319FB11FBA8" box="[1121,1259,1062,1083]" gridcol="3" gridrow="4" pageId="13" pageNumber="14">34</td>
</tr>
<tr id="0C9B34F8FFF2FD88FEED5369FB11FBF8" box="[346,1259,1110,1131]" gridrow="5" pageId="13" pageNumber="14" rowspan-1="1">
<th id="4F4A5D84FFF2FD88FEED5369FE45FBF8" box="[346,447,1110,1131]" gridcol="0" gridrow="5" pageId="13" pageNumber="14">4</th>
<td id="4F4A5D84FFF2FD88FCEE5369FC18FBF8" box="[857,994,1110,1131]" gridcol="2" gridrow="5" pageId="13" pageNumber="14">1</td>
<td id="4F4A5D84FFF2FD88FBD65369FB11FBF8" box="[1121,1259,1110,1131]" gridcol="3" gridrow="5" pageId="13" pageNumber="14">66</td>
</tr>
<tr id="0C9B34F8FFF2FD88FEED53B9FB11FB08" box="[346,1259,1158,1179]" gridrow="6" pageId="13" pageNumber="14" rowspan-1="1" rowspan-2="1">
<th id="4F4A5D84FFF2FD88FEED53B9FE45FB08" box="[346,447,1158,1179]" gridcol="0" gridrow="6" pageId="13" pageNumber="14">5</th>
<td id="4F4A5D84FFF2FD88FBD653B9FB11FB08" box="[1121,1259,1158,1179]" gridcol="3" gridrow="6" pageId="13" pageNumber="14">23</td>
</tr>
<tr id="0C9B34F8FFF2FD88FEED5389FB11FB58" box="[346,1259,1206,1227]" gridrow="7" pageId="13" pageNumber="14" rowspan-1="1" rowspan-2="1">
<th id="4F4A5D84FFF2FD88FEED5389FE45FB58" box="[346,447,1206,1227]" gridcol="0" gridrow="7" pageId="13" pageNumber="14">6</th>
<td id="4F4A5D84FFF2FD88FBD65389FB11FB58" box="[1121,1259,1206,1227]" gridcol="3" gridrow="7" pageId="13" pageNumber="14">8</td>
</tr>
<tr id="0C9B34F8FFF2FD88FEED53D9FB11FB68" box="[346,1259,1254,1275]" gridrow="8" pageId="13" pageNumber="14" rowspan-1="1">
<th id="4F4A5D84FFF2FD88FEED53D9FE45FB68" box="[346,447,1254,1275]" gridcol="0" gridrow="8" pageId="13" pageNumber="14">7</th>
<td id="4F4A5D84FFF2FD88FCEE53D9FC18FB68" box="[857,994,1254,1275]" gridcol="2" gridrow="8" pageId="13" pageNumber="14">2</td>
<td id="4F4A5D84FFF2FD88FBD653D9FB11FB68" box="[1121,1259,1254,1275]" gridcol="3" gridrow="8" pageId="13" pageNumber="14">4</td>
</tr>
<tr id="0C9B34F8FFF2FD88FEED5229FB11FAB8" box="[346,1259,1302,1323]" gridrow="9" pageId="13" pageNumber="14" rowspan-1="1" rowspan-2="1">
<th id="4F4A5D84FFF2FD88FEED5229FE45FAB8" box="[346,447,1302,1323]" gridcol="0" gridrow="9" pageId="13" pageNumber="14">8</th>
<td id="4F4A5D84FFF2FD88FBD65229FB11FAB8" box="[1121,1259,1302,1323]" gridcol="3" gridrow="9" pageId="13" pageNumber="14">2</td>
</tr>
</table>
</paragraph>
<paragraph id="B21436BAFFF2027AFE8F52ACFB2AF97E" blockId="13.[264,1323,1427,1853]" pageId="13" pageNumber="14">
AP3 usually lacks spines but in a minority of specimens (15 %) a spine is present in a posterolateral position. Four pleura have two spines but in three of the four the opposite pleuron bears a single spine; AP4 usually bears a posterolateral spine larger than that of AP3 although a small number bear more than one spine and both the left and right pleura on two shrimps lack spines altogether; AP5 invariably bears a strong posterolateral spine. Only one AP5 pleuron of 172 examined has spines (two) on the lateral margin anterior to the posterolateral spine but 164 have a variable number of spines on the posterior margin of the pleuron, above the strong posterolateral one (for illustrations of variation in pleural armature (in
<taxonomicName id="75AB4D39FFF2027AFE2851EBFD4FF97E" box="[415,693,1748,1773]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="longirostris">
<emphasis id="80DFEAA8FFF2027AFE2851EBFD4FF97E" box="[415,693,1748,1773]" italics="true" pageId="13" pageNumber="14">Alvinocaris longirostris</emphasis>
</taxonomicName>
) see
<bibRefCitation id="D63A4B4BFFF2027AFD4451ECFC0FF97E" author="Kikuchi" box="[755,1013,1747,1773]" pageId="13" pageNumber="25" refString="Kikuchi, T. &amp; Ohta, S. (1995) Two caridean shrimps of the families Bresiliidae and Hippolytidae from a hydrothermal field on the Iheya Ridge, of the Ryukyu Islands, Japan. Journal of Crustacean Biology 15 (4), 771 - 785." type="journal article" year="1995">Kikuchi &amp; Ohta 1995</bibRefCitation>
,
<figureCitation id="2A902A3FFFF2027AFBB651ECFBBCF97E" box="[1025,1094,1747,1773]" captionStart="FIGURE 5" captionStartId="18.[264,368,1843,1867]" captionTargetBox="[266,1320,1081,1842]" captionTargetId="figure@18.[260,1327,1072,1842]" captionTargetPageId="18" captionText="FIGURE 5. Alvinocaris longirostris Kikuchi &amp; Ohta, 1995, study female (NIWA 3262), lateral view. Scale bar 5 mm." httpUri="https://zenodo.org/record/168902/files/figure.png" pageId="13" pageNumber="14">Fig. 5</figureCitation>
, page 777).
</paragraph>
<paragraph id="B21436BAFFF2027AFE8F51C3FE49F8AE" blockId="13.[264,1323,1427,1853]" pageId="13" pageNumber="14">
<emphasis id="80DFEAA8FFF2027AFE8F51C3FE00F886" box="[312,506,1788,1813]" italics="true" pageId="13" pageNumber="14">Pereopod spines</emphasis>
: On the ischia and meri of P25, the numbers of ventrolateral spines are as follows:
</paragraph>
<paragraph id="B21436BAFFF10279FEBC56B6FCAAFC9D" pageId="14" pageNumber="15">
<table id="C0ABC41AFFF1FD88FEBC567BFB07FC9D" box="[267,1277,324,782]" gridcols="5" gridrows="7" pageId="14" pageNumber="15">
<tr id="0C9B34F8FFF1FD88FEBC567BFB07FE7A" box="[267,1277,324,489]" gridrow="0" pageId="14" pageNumber="15">
<th id="4F4A5D84FFF1FD88FEBC567BFEA5FE7A" box="[267,351,324,489]" gridcol="0" gridrow="0" pageId="14" pageNumber="15">Segment Ischium</th>
<th id="4F4A5D84FFF1FD88FE24567BFD39FE7A" box="[403,707,324,489]" gridcol="1" gridrow="0" pageId="14" pageNumber="15">Pereopod P2 ischium (n=174) No. spines merus (n=173) 0 157 1 16</th>
<th id="4F4A5D84FFF1FD88FD43567BFC7BFE7A" box="[756,897,324,489]" gridcol="2" gridrow="0" pageId="14" pageNumber="15">P3 ischium (n=169) merus (n=166) 10 4</th>
<th id="4F4A5D84FFF1FD88FC06567BFBC5FE7A" box="[945,1087,324,489]" gridcol="3" gridrow="0" pageId="14" pageNumber="15">P4 ischium (n=163) merus (n=159) 12 2</th>
<th id="4F4A5D84FFF1FD88FBD8567BFB07FE7A" box="[1135,1277,324,489]" gridcol="4" gridrow="0" pageId="14" pageNumber="15">P5 ischium (n=160) merus (n=159) 44 16</th>
</tr>
<tr id="0C9B34F8FFF1FD88FEBC56C0FB07FD87" box="[267,1277,511,532]" gridrow="1" pageId="14" pageNumber="15" rowspan-0="1">
<td id="4F4A5D84FFF1FD88FE2456C0FD39FD87" box="[403,707,511,532]" gridcol="1" gridrow="1" pageId="14" pageNumber="15">2 1</td>
<td id="4F4A5D84FFF1FD88FD4356C0FC7BFD87" box="[756,897,511,532]" gridcol="2" gridrow="1" pageId="14" pageNumber="15">154</td>
<td id="4F4A5D84FFF1FD88FC0656C0FBC5FD87" box="[945,1087,511,532]" gridcol="3" gridrow="1" pageId="14" pageNumber="15">145</td>
<td id="4F4A5D84FFF1FD88FBD856C0FB07FD87" box="[1135,1277,511,532]" gridcol="4" gridrow="1" pageId="14" pageNumber="15">100</td>
</tr>
<tr id="0C9B34F8FFF1FD88FEBC5516FB07FDAD" box="[267,1277,553,574]" gridrow="2" pageId="14" pageNumber="15" rowspan-0="1" rowspan-4="1">
<td id="4F4A5D84FFF1FD88FE245516FD39FDAD" box="[403,707,553,574]" gridcol="1" gridrow="2" pageId="14" pageNumber="15">3</td>
<td id="4F4A5D84FFF1FD88FD435516FC7BFDAD" box="[756,897,553,574]" gridcol="2" gridrow="2" pageId="14" pageNumber="15">2</td>
<td id="4F4A5D84FFF1FD88FC065516FBC5FDAD" box="[945,1087,553,574]" gridcol="3" gridrow="2" pageId="14" pageNumber="15">5</td>
</tr>
<tr id="0C9B34F8FFF1FD88FEBC556BFB07FD1D" box="[267,1277,596,654]" gridrow="3" pageId="14" pageNumber="15">
<th id="4F4A5D84FFF1FD88FEBC556BFEA5FD1D" box="[267,351,596,654]" gridcol="0" gridrow="3" pageId="14" pageNumber="15">Merus</th>
<td id="4F4A5D84FFF1FD88FE24556BFD39FD1D" box="[403,707,596,654]" gridcol="1" gridrow="3" pageId="14" pageNumber="15">0 173 1</td>
<td id="4F4A5D84FFF1FD88FD43556BFC7BFD1D" box="[756,897,596,654]" gridcol="2" gridrow="3" pageId="14" pageNumber="15">155 4</td>
<td id="4F4A5D84FFF1FD88FC06556BFBC5FD1D" box="[945,1087,596,654]" gridcol="3" gridrow="3" pageId="14" pageNumber="15">148 9</td>
<td id="4F4A5D84FFF1FD88FBD8556BFB07FD1D" box="[1135,1277,596,654]" gridcol="4" gridrow="3" pageId="14" pageNumber="15">159</td>
</tr>
<tr id="0C9B34F8FFF1FD88FEBC559BFB07FD2A" box="[267,1277,676,697]" gridrow="4" pageId="14" pageNumber="15" rowspan-0="1" rowspan-4="1">
<td id="4F4A5D84FFF1FD88FE24559BFD39FD2A" box="[403,707,676,697]" gridcol="1" gridrow="4" pageId="14" pageNumber="15">2</td>
<td id="4F4A5D84FFF1FD88FD43559BFC7BFD2A" box="[756,897,676,697]" gridcol="2" gridrow="4" pageId="14" pageNumber="15">5</td>
<td id="4F4A5D84FFF1FD88FC06559BFBC5FD2A" box="[945,1087,676,697]" gridcol="3" gridrow="4" pageId="14" pageNumber="15">2</td>
</tr>
<tr id="0C9B34F8FFF1FD88FEBC55F0FB07FD77" box="[267,1277,719,740]" gridrow="5" pageId="14" pageNumber="15" rowspan-0="1" rowspan-3="1" rowspan-4="1">
<td id="4F4A5D84FFF1FD88FE2455F0FD39FD77" box="[403,707,719,740]" gridcol="1" gridrow="5" pageId="14" pageNumber="15">3</td>
<td id="4F4A5D84FFF1FD88FD4355F0FC7BFD77" box="[756,897,719,740]" gridcol="2" gridrow="5" pageId="14" pageNumber="15">1</td>
</tr>
<tr id="0C9B34F8FFF1FD88FEBC55C6FB07FC9D" box="[267,1277,761,782]" gridrow="6" pageId="14" pageNumber="15" rowspan-0="1" rowspan-3="1" rowspan-4="1">
<td id="4F4A5D84FFF1FD88FE2455C6FD39FC9D" box="[403,707,761,782]" gridcol="1" gridrow="6" pageId="14" pageNumber="15">4</td>
<td id="4F4A5D84FFF1FD88FD4355C6FC7BFC9D" box="[756,897,761,782]" gridcol="2" gridrow="6" pageId="14" pageNumber="15">1</td>
</tr>
</table>
</paragraph>
<paragraph id="B21436BAFFF10279FE8F547EFC10FBB0" blockId="14.[264,1325,833,1899]" pageId="14" pageNumber="15">Among the ischia and meri of P2P5 only the meri of P2 and P5 are invariably without spines. The P2 ischium is usually without spines and that of P3P5 usually has two spines. The meri of P2P5 usually lack spines. However, all ischia and the meri of P3 and P4 have a variable number of spines with percentage variations of: ischium P2 11%; P3 11%; P4 13%; P5 56%; merus P3 7%; P4 7%. The greatest variation occurs on the ischium of P5 while the greatest range in spine number is on the merus of P3.</paragraph>
<paragraph id="B21436BAFFF10279FE8F530EFCFDFB78" blockId="14.[264,1325,833,1899]" pageId="14" pageNumber="15">
<emphasis id="80DFEAA8FFF10279FE8F530EFE7BFBD9" box="[312,385,1073,1098]" italics="true" pageId="14" pageNumber="15">Telson</emphasis>
; the number of dorsolateral spines ranges 411 (n = 162) on both left and right sides; 26 (n = 79) individuals have a different number on each side, the difference ranging up to three. The number of posterolateral corner spines is usually two but on 14 posterolateral corners (n = 164) there are zero, one, three or four spines with a single specimen having four posterolateral spines on both sides.
</paragraph>
<paragraph id="B21436BAFFF10279FE8F53C6FC55FA48" blockId="14.[264,1325,833,1899]" pageId="14" pageNumber="15">
The telson posterior margin varies considerably from distinctly bilaterally convex (e.g.
<typeStatus id="6D108818FFF10279FEBF521EFE8AFAA8" box="[264,368,1313,1339]" pageId="14" pageNumber="15" type="holotype">holotype</typeStatus>
) with a vu shaped median indentation of varying size, to a single, convex curve with no indentation; the indentation is sometimes unevenly shaped and not always centred on the telson midline. A tiny spinule is present in the apex of the indentation in the majority of specimens (not present in the
<typeStatus id="6D108818FFF10279FCB252A6FC97FA20" box="[773,877,1433,1459]" pageId="14" pageNumber="15" type="holotype">holotype</typeStatus>
) and is also sometimes present at or near the centre in specimens with a single convex margin.
</paragraph>
<paragraph id="B21436BAFFF10279FE8F52D6FE86F960" blockId="14.[264,1325,833,1899]" pageId="14" pageNumber="15">
The number and distribution of telson posterior plumose setae is also very variable. The total number of setae ranges 1429 (n = 68). In ten specimens (n = 78) no central gap is discernable dividing setae into left and right series (e.g.
<typeStatus id="6D108818FFF10279FC0D5106FBDCF9C0" box="[954,1062,1593,1619]" pageId="14" pageNumber="15" type="holotype">holotype</typeStatus>
); the remaining specimens have a gap at or near the centre line with setae ranging 513 (left side), 416 (right side). Only 28 (n = 78) specimens have the same number on left and right sides. A few posterior setae are sometimes submarginal in origin, mostly beneath the median area of the telson tip.
</paragraph>
<paragraph id="B21436BAFFF10279FE8F503EFC79F8F8" blockId="14.[264,1325,833,1899]" pageId="14" pageNumber="15">
<emphasis id="80DFEAA8FFF10279FE8F503EFDD5F889" box="[312,559,1793,1818]" italics="true" pageId="14" pageNumber="15">Antennular peduncle</emphasis>
; the subterminal spine on the distolateral spine of the proximal segment is variable in acuity. It is represented by no more than a corner in some specimens and in a few specimens is absent e.g. female
<typeStatus id="6D108818FFF10279FCA1506EFC85F8F8" box="[790,895,1873,1899]" pageId="14" pageNumber="15" type="paratype">paratype</typeStatus>
.
</paragraph>
<paragraph id="B21436BAFFF00278FE8F5623FD92FE6D" blockId="15.[264,1325,284,1870]" pageId="15" pageNumber="16">
<emphasis id="80DFEAA8FFF00278FE8F5623FE04FEA6" box="[312,510,284,309]" italics="true" pageId="15" pageNumber="16">Third maxilliped</emphasis>
: the row of seven or eight slender spines along the posterolateral/ anterolateral angle of the fused propodus­dactylus terminal segment in the
<typeStatus id="6D108818FFF00278FBCB567BFB1FFECD" box="[1148,1253,324,350]" pageId="15" pageNumber="16" type="holotype">holotype</typeStatus>
, does not usually run the full length of the segment. In most other large specimens (e.g. female
<typeStatus id="6D108818FFF00278FEBF56ABFE97FE3D" box="[264,365,404,430]" pageId="15" pageNumber="16" type="paratype">paratype</typeStatus>
<figureCitation id="2A902A3FFFF00278FECD56ABFE3AFE3D" box="[378,448,404,430]" captionStart="FIGURE 1" captionStartId="5.[264,368,1846,1870]" captionTargetBox="[296,1299,842,1829]" captionTargetId="figure@5.[290,1304,835,1841]" captionTargetPageId="5" captionText="FIGURE 1. Alvinocaris niwa n. sp. a, b, holotype (NIWA 3253), c, paratype female (NIWA 3254); a, lateral view; b, abdomen, ventrolateral view; c, lateral view. Scale bar = 5 mm." httpUri="https://zenodo.org/record/168898/files/figure.png" pageId="15" pageNumber="16">Fig. 1</figureCitation>
c) spines are replaced proximally by longer, strong setae and in most smaller specimens spines are confined to the distal part of the segment or are replaced by strong setae for its full length.
</paragraph>
<paragraph id="B21436BAFFF00278FE8F5533FCFFFDE5" blockId="15.[264,1325,284,1870]" pageId="15" pageNumber="16">
<emphasis id="80DFEAA8FFF00278FE8F5533FE13FDB6" box="[312,489,524,549]" italics="true" pageId="15" pageNumber="16">First pereopod</emphasis>
; the size of the first pereopod is dimorphic, with the cheliped palm inflated and approximately the same length as the fingers in males, and hardly inflated and about half as long as the fingers in females.
</paragraph>
<paragraph id="B21436BAFFF00278FE8F55BBFC9FFCF5" blockId="15.[264,1325,284,1870]" pageId="15" pageNumber="16">
<emphasis id="80DFEAA8FFF00278FE8F55BBFDD2FD0E" box="[312,552,644,669]" italics="true" pageId="15" pageNumber="16">Correlation analysis</emphasis>
: These analyses indicate that the rostrum becomes comparatively longer in relation to CL in larger specimens (r = 0.67, n = 81, p&lt;0.001). This holds true for both sexes (females: r = 0.69, n = 41, p&lt;0.001; males: r = 0.67, n = 40, p&lt;0.001). However, no such increase in the number of carapace dorsal spines occurs with increased size (CL) (r = 0.02, n = 81, p&gt;0.5). Nor does the number of spines on the right P3 merus show a significant increase with size (r = 0.05, n = 82, p&gt;0.5).
</paragraph>
<paragraph id="B21436BAFFF00278FE8F544BFD1AFC4D" blockId="15.[264,1325,284,1870]" pageId="15" pageNumber="16">A clear difference between the sexes occurs in the number of spines on abdominal pleuron 5 which increases with greater CL in males (r = 0.57, n = 41, p&lt;0.001) but not females (r = 0.03, n = 45, 0.288, p&gt;0.5).</paragraph>
<paragraph id="B21436BAFFF00278FE8F54D3FB94FBC5" blockId="15.[264,1325,284,1870]" pageId="15" pageNumber="16">There is no significant increase in the number of telson dorsolateral spines with greater CL (r = 0.11, n = 81, p&gt;0.2) but there is a clear indication that the number of setae on the telson posterior margin does increase with CL (r = 0.54, n = 78, p&lt;0.001).</paragraph>
</subSubSection>
<subSubSection id="FAB16531FFF00278FE8F535BFBCDFB35" pageId="15" pageNumber="16" type="etymology">
<paragraph id="B21436BAFFF00278FE8F535BFBCDFB35" blockId="15.[264,1325,284,1870]" pageId="15" pageNumber="16">
<emphasis id="80DFEAA8FFF00278FE8F535BFE4FFBEE" box="[312,437,1124,1149]" italics="true" pageId="15" pageNumber="16">Etymology</emphasis>
: The name
<taxonomicName id="75AB4D39FFF00278FD88535BFD82FBEE" box="[575,632,1124,1149]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFF00278FD88535BFD82FBEE" box="[575,632,1124,1149]" italics="true" pageId="15" pageNumber="16">niwa</emphasis>
</taxonomicName>
is after the acronym for the National Institute of Water and Atmospheric Research (
<taxonomicName id="75AB4D39FFF00278FD9653B3FD88FB35" box="[545,626,1164,1190]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="24" phylum="Arthropoda" rank="species" species="niwa">NIWA</taxonomicName>
) who collected and holds the material.
</paragraph>
</subSubSection>
<subSubSection id="FAB16531FFF00278FE8F538BFAD6F915" pageId="15" pageNumber="16" type="discussion">
<paragraph id="B21436BAFFF00278FE8F538BFAD6F915" blockId="15.[264,1325,284,1870]" pageId="15" pageNumber="16">
<emphasis id="80DFEAA8FFF00278FE8F538BFE64FB5E" box="[312,414,1204,1229]" italics="true" pageId="15" pageNumber="16">Remarks</emphasis>
:
<taxonomicName id="75AB4D39FFF00278FE18538BFD82FB5E" box="[431,632,1204,1229]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="niwa" status="sp. nov.">
<emphasis id="80DFEAA8FFF00278FE18538BFD82FB5E" box="[431,632,1204,1229]" italics="true" pageId="15" pageNumber="16">Alvinocaris niwa</emphasis>
</taxonomicName>
<taxonomicNameLabel id="9BEC57D3FFF00278FD36538BFD3BFB5D" box="[641,705,1204,1230]" pageId="15" pageNumber="16" rank="species">n. sp.</taxonomicNameLabel>
was collected at eight stations, two on the Brothers Caldera at 1,538
<quantity id="75539B5FFFF00278FE6053E3FDC2FB65" box="[471,568,1244,1270]" metricMagnitude="3" metricUnit="m" metricValue="1.197" pageId="15" pageNumber="16" unit="m" value="1197.0">1,197 m</quantity>
and 1,346
<quantity id="75539B5FFFF00278FD7653E3FCDBFB65" box="[705,801,1244,1270]" metricMagnitude="3" metricUnit="m" metricValue="1.196" pageId="15" pageNumber="16" unit="m" value="1196.0">1,196 m</quantity>
and six at considerably shallower depths on Rumble V Seamount about
<quantity id="75539B5FFFF00278FDE4523BFD57FA8D" box="[595,685,1284,1310]" metricMagnitude="5" metricUnit="m" metricValue="4.8" pageId="15" pageNumber="16" unit="km" value="480.0">480 km</quantity>
southwest of the Brothers (see material examined for depth ranges). The deepest Rumble V station at which
<taxonomicName id="75AB4D39FFF00278FC3A5213FC1CFAD6" box="[909,998,1324,1349]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFF00278FC3A5213FC1CFAD6" box="[909,998,1324,1349]" italics="true" pageId="15" pageNumber="16">A. niwa</emphasis>
</taxonomicName>
was taken (stn 228) ranged from 877
<quantity id="75539B5FFFF00278FE34526BFE34FAFD" box="[387,462,1364,1390]" metricMagnitude="2" metricUnit="m" metricValue="6.55" pageId="15" pageNumber="16" unit="m" value="655.0">655 m</quantity>
and the shallowest (stn 325) from 485
<specimenCount id="A4ADFD33FFF00278FC1F526BFC01FAFD" box="[936,1019,1364,1390]" pageId="15" pageNumber="16" type="generic">
<quantity id="75539B5FFFF00278FC1F526BFC0CFAFD" box="[936,1014,1364,1390]" metricMagnitude="2" metricUnit="m" metricValue="4.15" pageId="15" pageNumber="16" unit="m" value="415.0">415 m</quantity>
.
</specimenCount>
At a maximum of
<quantity id="75539B5FFFF00278FB68526BFAD1FAFD" box="[1247,1323,1364,1390]" metricMagnitude="2" metricUnit="m" metricValue="4.85" pageId="15" pageNumber="16" unit="m" value="485.0">485 m</quantity>
on station 325,
<taxonomicName id="75AB4D39FFF00278FE0A5243FDEDFA06" box="[445,535,1404,1429]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFF00278FE0A5243FDEDFA06" box="[445,535,1404,1429]" italics="true" pageId="15" pageNumber="16">A. niwa</emphasis>
</taxonomicName>
is the shallowest species recorded in the
<taxonomicName id="75AB4D39FFF00278FC4A5243FB44FA05" box="[1021,1214,1404,1430]" class="Malacostraca" family="Alvinocarididae" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="family">Alvinocarididae</taxonomicName>
.
<taxonomicName id="75AB4D39FFF00278FB7E5243FEC0FA2E" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="muricola">
<emphasis id="80DFEAA8FFF00278FB7E5243FEC0FA2E" italics="true" pageId="15" pageNumber="16">A. muricola</emphasis>
</taxonomicName>
and
<taxonomicName id="75AB4D39FFF00278FEC5529BFDEEFA2E" box="[370,532,1444,1469]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="stactophila">
<emphasis id="80DFEAA8FFF00278FEC5529BFDEEFA2E" box="[370,532,1444,1469]" italics="true" pageId="15" pageNumber="16">A. stactophila</emphasis>
</taxonomicName>
from the Gulf of
<collectingCountry id="CABC762AFFF00278FD57529BFCC0FA2D" box="[736,826,1444,1470]" name="Mexico" pageId="15" pageNumber="16">Mexico</collectingCountry>
occur at 534 and
<quantity id="75539B5FFFF00278FBBF529BFBA8FA2D" box="[1032,1106,1444,1470]" metricMagnitude="2" metricUnit="m" metricValue="5.3" pageId="15" pageNumber="16" unit="m" value="530.0">530 m</quantity>
respectively (
<bibRefCitation id="D63A4B4BFFF00278FB43529BFE74FA75" author="Williams" pageId="15" pageNumber="26" refString="Williams, A. B. (1988) New marine decapod crustaceans from waters influenced by hydrothermal discharge, brine, and hydrocarbon seepage. Fishery Bulletin, United States, 86 (2), 263 - 287." type="journal article" year="1988">Williams 1988</bibRefCitation>
), the shallowest depth previously reported for alvinocaridids, and the deepest,
<taxonomicName id="75AB4D39FFF00278FEBF52CBFE5BF99E" box="[264,417,1524,1549]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="markensis">
<emphasis id="80DFEAA8FFF00278FEBF52CBFE5BF99E" box="[264,417,1524,1549]" italics="true" pageId="15" pageNumber="16">A. markensis</emphasis>
</taxonomicName>
at
<quantity id="75539B5FFFF00278FE7052CBFDD1F99D" box="[455,555,1524,1550]" metricMagnitude="3" metricUnit="m" metricValue="3.437" pageId="15" pageNumber="16" unit="m" value="3437.0">3,437 m</quantity>
, was recorded in the same paper.
<taxonomicName id="75AB4D39FFF00278FC0952CBFB7DF99E" box="[958,1159,1524,1549]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFF00278FC0952CBFB7DF99E" box="[958,1159,1524,1549]" italics="true" pageId="15" pageNumber="16">Alvinocaris niwa</emphasis>
</taxonomicName>
was also collected at depths ranging over at least
<quantity id="75539B5FFFF00278FD005123FCFBF9A5" box="[695,769,1564,1590]" metricMagnitude="2" metricUnit="m" metricValue="7.12" pageId="15" pageNumber="16" unit="m" value="712.0">712 m</quantity>
(
<quantity id="75539B5FFFF00278FCA75123FC5FF9A5" box="[784,933,1564,1590]" metricMagnitude="2" metricUnit="m" metricValue="8.405" metricValueMax="11.959999999999999" metricValueMin="4.85" pageId="15" pageNumber="16" unit="m" value="840.5" valueMax="1196.0" valueMin="485.0">4851196 m</quantity>
), a greater depth range than other alvinocaridids. However, fewer specimens of most species have been collected, and at fewer stations, and they may well occur at a wider range of depths than has been recorded.
</paragraph>
</subSubSection>
<subSubSection id="FAB16531FFF00278FE8F51ABFAD1F8DD" pageId="15" pageNumber="16" type="reference_group">
<paragraph id="B21436BAFFF00278FE8F51ABFDE4F96D" blockId="15.[264,1325,284,1870]" pageId="15" pageNumber="16">
<taxonomicName id="75AB4D39FFF00278FE8F51ABFE05F93E" ID-CoL="9CNTV" box="[312,511,1684,1709]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFF00278FE8F51ABFE05F93E" box="[312,511,1684,1709]" italics="true" pageId="15" pageNumber="16">Alvinocaris niwa</emphasis>
</taxonomicName>
shares a number of characters with
<taxonomicName id="75AB4D39FFF00278FC1651ABFE83F945" ID-CoL="9CNTN" authority="Kikuchi &amp; Hashimoto, 2000" authorityName="Kikuchi &amp; Hashimoto" authorityYear="2000" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="leurokolos">
<emphasis id="80DFEAA8FFF00278FC1651ABFBC6F93E" box="[929,1084,1684,1709]" italics="true" pageId="15" pageNumber="16">A. leurokolos</emphasis>
<bibRefCitation id="D63A4B4BFFF00278FBF451ABFE83F945" author="Kikuchi" pageId="15" pageNumber="25" refString="Kikuchi, T. &amp; Hashimoto, J. (2000) Two new caridean shrimps of the family Alvinocarididae (Crustacea, Decapoda) from a hydrothermal field at the MinamiEnsei Knoll in the Mid-Okinawa Trough, Japan. Species Diversity, 5, 135 - 148." type="journal article" year="2000">Kikuchi &amp; Hashimoto, 2000</bibRefCitation>
</taxonomicName>
but the combination of characters in
<taxonomicName id="75AB4D39FFF00278FC8C5183FC6CF946" ID-CoL="9CNTV" box="[827,918,1724,1749]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFF00278FC8C5183FC6CF946" box="[827,918,1724,1749]" italics="true" pageId="15" pageNumber="16">A. niwa</emphasis>
</taxonomicName>
set it apart from all other
<taxonomicName id="75AB4D39FFF00278FB635183FEB9F96E" ID-CoL="9CJPT" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="genus">
<emphasis id="80DFEAA8FFF00278FB635183FEB9F96E" italics="true" pageId="15" pageNumber="16">Alvinocaris</emphasis>
</taxonomicName>
species described.
</paragraph>
<paragraph id="B21436BAFFF00278FE8F5033FAD1F8DD" blockId="15.[264,1325,284,1870]" pageId="15" pageNumber="16">
The rostrum in
<taxonomicName id="75AB4D39FFF00278FE595033FDB2F8B6" ID-CoL="9CNTV" box="[494,584,1804,1829]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFF00278FE595033FDB2F8B6" box="[494,584,1804,1829]" italics="true" pageId="15" pageNumber="16">A. niwa</emphasis>
</taxonomicName>
is somewhat shorter than in other species of
<taxonomicName id="75AB4D39FFF00278FBEC5033FB18F8B6" ID-CoL="9CJPT" box="[1115,1250,1804,1829]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="genus">
<emphasis id="80DFEAA8FFF00278FBEC5033FB18F8B6" box="[1115,1250,1804,1829]" italics="true" pageId="15" pageNumber="16">Alvinocaris</emphasis>
</taxonomicName>
but is most similar in length to those of
<taxonomicName id="75AB4D39FFF00278FD23500BFCD5F8DE" ID-CoL="9CNTN" box="[660,815,1844,1869]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="leurokolos">
<emphasis id="80DFEAA8FFF00278FD23500BFCD5F8DE" box="[660,815,1844,1869]" italics="true" pageId="15" pageNumber="16">A. leurokolos</emphasis>
</taxonomicName>
and of
<taxonomicName id="75AB4D39FFF00278FC3F500BFADDF8DD" ID-CoL="9CNTY" authority="Shank &amp; Martin, 2003" authorityName="Shank &amp; Martin" authorityYear="2003" box="[904,1319,1844,1870]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="williamsi">
<emphasis id="80DFEAA8FFF00278FC3F500BFBE9F8DE" box="[904,1043,1844,1869]" italics="true" pageId="15" pageNumber="16">A. williamsi</emphasis>
<bibRefCitation id="D63A4B4BFFF00278FBAC500BFADDF8DD" author="Shank" box="[1051,1319,1844,1870]" pageId="15" pageNumber="25" refString="Shank, T. M., &amp; Martin, J. W. (2003) A new caridean shrimp of the family Alvinocarididae from thermal vents at Menez Gwen on the Mid-Atlantic Ridge. Proceedings of the Biological Society of Washington, 116 (1), 158 - 167." type="journal article" year="2003">Shank &amp; Martin, 2003</bibRefCitation>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="FAB16531FFEF0267FEBF5623FCB2FE16" pageId="16" pageNumber="17" type="description">
<paragraph id="B21436BAFFEF0267FEBF5623FCB2FE16" blockId="16.[264,1324,284,1870]" pageId="16" pageNumber="17">
In addition the row of forward pointing dorsal carapace spines in
<taxonomicName id="75AB4D39FFEF0267FBA25623FB95FEA6" box="[1045,1135,284,309]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFEF0267FBA25623FB95FEA6" box="[1045,1135,284,309]" italics="true" pageId="16" pageNumber="17">A. niwa</emphasis>
</taxonomicName>
has a smoother transition with the profile of the carapace and does not meet it at an angle as it does in these other two species, particularly
<emphasis id="80DFEAA8FFEF0267FD035653FCB2FE16" box="[692,840,364,389]" italics="true" pageId="16" pageNumber="17">
<taxonomicName id="75AB4D39FFEF0267FD035653FCBEFE16" box="[692,836,364,389]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="williamsi">A. williamsi</taxonomicName>
.
</emphasis>
</paragraph>
</subSubSection>
<subSubSection id="FAB16531FFEF0267FE8F56ABFB95FBED" pageId="16" pageNumber="17" type="reference_group">
<paragraph id="B21436BAFFEF0267FE8F56ABFAF9FDE5" blockId="16.[264,1324,284,1870]" pageId="16" pageNumber="17">
<taxonomicName id="75AB4D39FFEF0267FE8F56ABFE05FE3E" ID-CoL="9CNTV" box="[312,511,404,429]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFEF0267FE8F56ABFE05FE3E" box="[312,511,404,429]" italics="true" pageId="16" pageNumber="17">Alvinocaris niwa</emphasis>
</taxonomicName>
differs from other species of
<taxonomicName id="75AB4D39FFEF0267FCE056ABFC24FE3E" ID-CoL="9CJPT" box="[855,990,404,429]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="genus">
<emphasis id="80DFEAA8FFEF0267FCE056ABFC24FE3E" box="[855,990,404,429]" italics="true" pageId="16" pageNumber="17">Alvinocaris</emphasis>
</taxonomicName>
in having conspicuous pairs of spines on the first to third abdominal sternites.
<bibRefCitation id="D63A4B4BFFEF0267FCFC5683FB7EFE45" author="Komai" box="[843,1156,444,470]" pageId="16" pageNumber="25" refString="Komai, T. &amp; Segonzac, M. (2003) Review of the hydrothermal vent shrimp genus Mirocaris, redescription of M. fortunata and reassessment of the taxonomic status of the family Alvinocarididae (Crustacea: Decapoda: Caridea). Cahiers de Biologie Marine, 44, 199 - 215." type="journal article" year="2003">Komai &amp; Segonzac (2003)</bibRefCitation>
describe similarly paired sternal spines in
<taxonomicName id="75AB4D39FFEF0267FDC456DBFB2DFE6D" ID-CoL="9CV8L" authority="Martin &amp; Christiansen, 1995" authorityName="Martin &amp; Christiansen" authorityYear="1995" box="[627,1239,484,510]" class="Malacostraca" family="Alvinocarididae" genus="Mirocaris" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="fortunata">
<emphasis id="80DFEAA8FFEF0267FDC456DBFCA4FE6E" box="[627,862,484,509]" italics="true" pageId="16" pageNumber="17">Mirocaris fortunata</emphasis>
(
<bibRefCitation id="D63A4B4BFFEF0267FCC656DBFB35FE6D" author="Martin" box="[881,1231,484,510]" pageId="16" pageNumber="25" refString="Martin, J. W. &amp; Christiansen, J. C. (1995) A new species of the shrimp genus Chorocaris Martin &amp; Hessler, 1990 (Crustacea: Decapoda: Bresiliidae) from hydrothermal vent fields along the Mid- Atlantic Ridge. Proceedings of the Biological Society of Washington, 108 (2), 220 - 227." type="journal article" year="1995">Martin &amp; Christiansen, 1995</bibRefCitation>
)
</taxonomicName>
but as smaller on the first somite than in
<taxonomicName id="75AB4D39FFEF0267FD2D5533FD09FDB6" ID-CoL="9CNTV" box="[666,755,524,549]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFEF0267FD2D5533FD09FDB6" box="[666,755,524,549]" italics="true" pageId="16" pageNumber="17">A. niwa</emphasis>
</taxonomicName>
and also occurring on the fourth somite where a single, more robust spine occurs in
<taxonomicName id="75AB4D39FFEF0267FD04550BFCF5FDDE" ID-CoL="9CNTV" box="[691,783,564,589]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFEF0267FD04550BFCF5FDDE" box="[691,783,564,589]" italics="true" pageId="16" pageNumber="17">A. niwa</emphasis>
</taxonomicName>
.
<taxonomicName id="75AB4D39FFEF0267FCA8550BFC4FFDDE" ID-CoL="9CV8L" box="[799,949,564,589]" class="Malacostraca" family="Alvinocarididae" genus="Mirocaris" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="fortunata">
<emphasis id="80DFEAA8FFEF0267FCA8550BFC4FFDDE" box="[799,949,564,589]" italics="true" pageId="16" pageNumber="17">M. fortunata</emphasis>
</taxonomicName>
females also have these paired spines reduced in mature individuals (
<bibRefCitation id="D63A4B4BFFEF0267FD735563FC14FDE5" author="Komai" box="[708,1006,604,630]" pageId="16" pageNumber="25" refString="Komai, T. &amp; Segonzac, M. (2003) Review of the hydrothermal vent shrimp genus Mirocaris, redescription of M. fortunata and reassessment of the taxonomic status of the family Alvinocarididae (Crustacea: Decapoda: Caridea). Cahiers de Biologie Marine, 44, 199 - 215." type="journal article" year="2003">Komai &amp; Segonzac 2003</bibRefCitation>
) as they are in
<taxonomicName id="75AB4D39FFEF0267FB155563FB01FDE6" ID-CoL="9CNTV" box="[1186,1275,604,629]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFEF0267FB155563FB01FDE6" box="[1186,1275,604,629]" italics="true" pageId="16" pageNumber="17">A. niwa</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="B21436BAFFEF0267FE8F55BBFE6DFCF5" blockId="16.[264,1324,284,1870]" pageId="16" pageNumber="17">
The stylocerite of the antennular peduncle is longer in
<taxonomicName id="75AB4D39FFEF0267FC0C55BBFBEFFD0E" ID-CoL="9CNTV" box="[955,1045,644,669]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFEF0267FC0C55BBFBEFFD0E" box="[955,1045,644,669]" italics="true" pageId="16" pageNumber="17">A. niwa</emphasis>
</taxonomicName>
than in most other species of
<taxonomicName id="75AB4D39FFEF0267FEEA5593FE1EFD56" ID-CoL="9CJPT" box="[349,484,684,709]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="genus">
<emphasis id="80DFEAA8FFEF0267FEEA5593FE1EFD56" box="[349,484,684,709]" italics="true" pageId="16" pageNumber="17">Alvinocaris</emphasis>
</taxonomicName>
but again, those of
<taxonomicName id="75AB4D39FFEF0267FD7A5593FC92FD56" ID-CoL="9CNTN" box="[717,872,684,709]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="leurokolos">
<emphasis id="80DFEAA8FFEF0267FD7A5593FC92FD56" box="[717,872,684,709]" italics="true" pageId="16" pageNumber="17">A. leurokolos</emphasis>
</taxonomicName>
and
<taxonomicName id="75AB4D39FFEF0267FC145593FBD5FD56" ID-CoL="9CNTY" box="[931,1071,684,709]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="williamsi">
<emphasis id="80DFEAA8FFEF0267FC145593FBD5FD56" box="[931,1071,684,709]" italics="true" pageId="16" pageNumber="17">A. williamsi</emphasis>
</taxonomicName>
are similar in length. The particularly strong distolateral spine on the proximal peduncular segment of the antennule in
<taxonomicName id="75AB4D39FFEF0267FED455C3FE47FC86" ID-CoL="9CNTV" box="[355,445,764,789]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFEF0267FED455C3FE47FC86" box="[355,445,764,789]" italics="true" pageId="16" pageNumber="17">A. niwa</emphasis>
</taxonomicName>
appears unique among alvinocaridids in having a subterminal spine. This is, however, a difficult character to see, and, although it is almost always present, it varies in its acuity.
</paragraph>
<paragraph id="B21436BAFFEF0267FE8F544BFBE8FC4D" blockId="16.[264,1324,284,1870]" pageId="16" pageNumber="17">
<taxonomicName id="75AB4D39FFEF0267FE8F544BFE6EFC1E" ID-CoL="9CNTV" box="[312,404,884,909]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFEF0267FE8F544BFE6EFC1E" box="[312,404,884,909]" italics="true" pageId="16" pageNumber="17">A. niwa</emphasis>
</taxonomicName>
bears two spines ventrally on the proximal antennal segment, a character it shares with
<taxonomicName id="75AB4D39FFEF0267FE2454A3FDD7FC26" ID-CoL="9CNTN" box="[403,557,924,949]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="leurokolos">
<emphasis id="80DFEAA8FFEF0267FE2454A3FDD7FC26" box="[403,557,924,949]" italics="true" pageId="16" pageNumber="17">A. leurokolos</emphasis>
</taxonomicName>
and
<taxonomicName id="75AB4D39FFEF0267FDD254A3FB82FC25" ID-CoL="9CNTG" authority="Kikuchi &amp; Hashimoto 2000" authorityName="Kikuchi &amp; Hashimoto" authorityYear="2000" box="[613,1144,924,950]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="brevitelsonis">
<emphasis id="80DFEAA8FFEF0267FDD254A3FCE0FC26" box="[613,794,924,949]" italics="true" pageId="16" pageNumber="17">A. brevitelsonis</emphasis>
(
<bibRefCitation id="D63A4B4BFFEF0267FC9F54A3FB8AFC25" author="Kikuchi" box="[808,1136,924,950]" pageId="16" pageNumber="25" refString="Kikuchi, T. &amp; Hashimoto, J. (2000) Two new caridean shrimps of the family Alvinocarididae (Crustacea, Decapoda) from a hydrothermal field at the MinamiEnsei Knoll in the Mid-Okinawa Trough, Japan. Species Diversity, 5, 135 - 148." type="journal article" year="2000">Kikuchi &amp; Hashimoto 2000</bibRefCitation>
)
</taxonomicName>
but not with
<taxonomicName id="75AB4D39FFEF0267FAA654A3FE89FC4E" ID-CoL="9CNTY" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="williamsi">
<emphasis id="80DFEAA8FFEF0267FAA654A3FE89FC4E" italics="true" pageId="16" pageNumber="17">A. williamsi</emphasis>
</taxonomicName>
which has a single spine as do other
<taxonomicName id="75AB4D39FFEF0267FC9054FBFC54FC4E" ID-CoL="9CJPT" box="[807,942,964,989]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="genus">
<emphasis id="80DFEAA8FFEF0267FC9054FBFC54FC4E" box="[807,942,964,989]" italics="true" pageId="16" pageNumber="17">Alvinocaris</emphasis>
</taxonomicName>
species.
</paragraph>
<paragraph id="B21436BAFFEF0267FE8F54D3FB95FBED" blockId="16.[264,1324,284,1870]" pageId="16" pageNumber="17">
In the key to
<taxonomicName id="75AB4D39FFEF0267FE6B54D3FD99FB96" ID-CoL="9CJPT" box="[476,611,1004,1029]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="genus">
<emphasis id="80DFEAA8FFEF0267FE6B54D3FD99FB96" box="[476,611,1004,1029]" italics="true" pageId="16" pageNumber="17">Alvinocaris</emphasis>
</taxonomicName>
species of
<bibRefCitation id="D63A4B4BFFEF0267FD5A54D3FBAAFB95" author="Kikuchi" box="[749,1104,1004,1030]" pageId="16" pageNumber="25" refString="Kikuchi, T. &amp; Hashimoto, J. (2000) Two new caridean shrimps of the family Alvinocarididae (Crustacea, Decapoda) from a hydrothermal field at the MinamiEnsei Knoll in the Mid-Okinawa Trough, Japan. Species Diversity, 5, 135 - 148." type="journal article" year="2000">Kikuchi &amp; Hashimoto (2000)</bibRefCitation>
,
<taxonomicName id="75AB4D39FFEF0267FBD754D3FB46FB96" ID-CoL="9CNTV" box="[1120,1212,1004,1029]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFEF0267FBD754D3FB46FB96" box="[1120,1212,1004,1029]" italics="true" pageId="16" pageNumber="17">A. niwa</emphasis>
</taxonomicName>
keys out closest to
<taxonomicName id="75AB4D39FFEF0267FECB532BFDC8FBBE" ID-CoL="9CNTG" box="[380,562,1044,1069]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="brevitelsonis">
<emphasis id="80DFEAA8FFEF0267FECB532BFDC8FBBE" box="[380,562,1044,1069]" italics="true" pageId="16" pageNumber="17">A. brevitelsonis</emphasis>
</taxonomicName>
which has the merus of P4 with two spines, but 2 spines are only present in
<taxonomicName id="75AB4D39FFEF0267FE355303FE21FBC6" ID-CoL="9CNTV" box="[386,475,1084,1109]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFEF0267FE355303FE21FBC6" box="[386,475,1084,1109]" italics="true" pageId="16" pageNumber="17">A. niwa</emphasis>
</taxonomicName>
on two of 159 P4 meri sampled. Nine meri have a single spine while the remaining 148 lack spines altogether (see table of pereopod spines above).
</paragraph>
</subSubSection>
<subSubSection id="FAB16531FFEF0266FE8F53B3FC6EFC85" lastPageId="17" lastPageNumber="18" pageId="16" pageNumber="17" type="description">
<paragraph id="B21436BAFFEF0267FE8F53B3FE70FAD5" blockId="16.[264,1324,284,1870]" pageId="16" pageNumber="17">
<taxonomicName id="75AB4D39FFEF0267FE8F53B3FE68FB36" box="[312,402,1164,1189]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFEF0267FE8F53B3FE68FB36" box="[312,402,1164,1189]" italics="true" pageId="16" pageNumber="17">A. niwa</emphasis>
</taxonomicName>
is the only alvinocaridid described with a row of spines along the posterolateral/ anterolateral angle of the third maxilliped distal segment. While the length of this row varies, with differing proportions of the spines replaced by strong setae proximally in smaller specimens, at least some spines were consistently found to be present in larger specimens.
</paragraph>
<paragraph id="B21436BAFFEF0267FE8F526BFB5AFA2D" blockId="16.[264,1324,284,1870]" pageId="16" pageNumber="17">
The shape and armature of the mandibular incisor process in
<taxonomicName id="75AB4D39FFEF0267FBBF526BFB98FAFE" box="[1032,1122,1364,1389]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFEF0267FBBF526BFB98FAFE" box="[1032,1122,1364,1389]" italics="true" pageId="16" pageNumber="17">A. niwa</emphasis>
</taxonomicName>
differs from that of other alvinocaridids described, in having the distal half of the row of teeth set back from the proximal half and in lacking a single subterminal spine on its distal border.
</paragraph>
<paragraph id="B21436BAFFEF0267FE8F52F3FD43F945" blockId="16.[264,1324,284,1870]" pageId="16" pageNumber="17">
The small area of densely plumose setae on both faces of the flattened exopods of the second maxillae and first maxillipeds have not been indicated in other
<taxonomicName id="75AB4D39FFEF0267FBF052CBFB34F99E" box="[1095,1230,1524,1549]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="genus">
<emphasis id="80DFEAA8FFEF0267FBF052CBFB34F99E" box="[1095,1230,1524,1549]" italics="true" pageId="16" pageNumber="17">Alvinocaris</emphasis>
</taxonomicName>
species but are present in both
<taxonomicName id="75AB4D39FFEF0267FDAB5123FD8DF9A6" box="[540,631,1564,1589]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFEF0267FDAB5123FD8DF9A6" box="[540,631,1564,1589]" italics="true" pageId="16" pageNumber="17">A. niwa</emphasis>
</taxonomicName>
and
<taxonomicName id="75AB4D39FFEF0267FD045123FCA6F9A6" box="[691,860,1564,1589]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="longirostris">
<emphasis id="80DFEAA8FFEF0267FD045123FCA6F9A6" box="[691,860,1564,1589]" italics="true" pageId="16" pageNumber="17">A. longirostris</emphasis>
</taxonomicName>
found north of
<collectingCountry id="CABC762AFFEF0267FBAD5123FB46F9A5" box="[1050,1212,1564,1590]" name="New Zealand" pageId="16" pageNumber="17">New Zealand</collectingCountry>
. In
<taxonomicName id="75AB4D39FFEF0267FB5E5123FE3AF9CE" class="Malacostraca" family="Alvinocarididae" genus="Rimicaris" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="exoculata">
<emphasis id="80DFEAA8FFEF0267FB5E5123FE3AF9CE" italics="true" pageId="16" pageNumber="17">Rimicaris exoculata</emphasis>
</taxonomicName>
these exopods are more expanded than in other alvinocaridids and are clothed on all surfaces with conspicuous plumose setae (
<bibRefCitation id="D63A4B4BFFEF0267FC185153FB36F915" author="Williams" box="[943,1228,1644,1670]" pageId="16" pageNumber="26" refString="Williams, A. B. &amp; Rona, P. A. (1986) Two new caridean shrimps (Bresiliidae) from a hydrothermal field on the Mid-Atlantic Ridge. Journal of Crustacean Biology, 6 (3), 446 - 462." type="journal article" year="1986">Williams &amp; Rona 1986</bibRefCitation>
). These setae may be quite similar to those in the
<collectingCountry id="CABC762AFFEF0267FD4E51ABFC6DF93D" box="[761,919,1684,1710]" name="New Zealand" pageId="16" pageNumber="17">New Zealand</collectingCountry>
<taxonomicName id="75AB4D39FFEF0267FC1551ABFBD3F93E" box="[930,1065,1684,1709]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="genus">
<emphasis id="80DFEAA8FFEF0267FC1551ABFBD3F93E" box="[930,1065,1684,1709]" italics="true" pageId="16" pageNumber="17">Alvinocaris</emphasis>
</taxonomicName>
species and probably occur in other alvinocaridids as well.
</paragraph>
<paragraph id="B21436BAFFEF0266FE8F51DBFCDDFE3D" blockId="16.[264,1324,284,1870]" lastBlockId="17.[264,1324,284,790]" lastPageId="17" lastPageNumber="18" pageId="16" pageNumber="17">
Two subterminal rows of spines on the flexor surface of the dactyls of P3P5 similar to those of
<taxonomicName id="75AB4D39FFEF0267FEC65033FE37F8B6" box="[369,461,1804,1829]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFEF0267FEC65033FE37F8B6" box="[369,461,1804,1829]" italics="true" pageId="16" pageNumber="17">A. niwa</emphasis>
</taxonomicName>
have not been described in other species of
<taxonomicName id="75AB4D39FFEF0267FC525033FB96F8B6" box="[997,1132,1804,1829]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="17" phylum="Arthropoda" rank="genus">
<emphasis id="80DFEAA8FFEF0267FC525033FB96F8B6" box="[997,1132,1804,1829]" italics="true" pageId="16" pageNumber="17">Alvinocaris</emphasis>
</taxonomicName>
. Species in this genus have a single row (e.g.
<figureCitation id="2A902A3FFFEF0267FDD8500BFD4DF8DD" box="[623,695,1844,1870]" captionStart="FIGURE 6" captionStartId="19.[264,368,1669,1693]" captionTargetBox="[264,1322,312,1641]" captionTargetId="figure@19.[260,1327,312,1666]" captionTargetPageId="19" captionText="FIGURE 6. Alvinocaris longirostris Kikuchi &amp; Ohta, 1995, a­e study female (NIWA 3262); f, 1996 male (NIWA 3274); a, front, dorsal view; b, mandible, right side, anterior (convex) view; c, second maxilla, right side, posterior view (continuous row of long setae on scaphognathite posterior lobe, mesial margin, not all illustrated); d, first maxilliped, right side, posterior view; e, third pereopod dactyl, right side, mesial view; f, male second pleopod, left side, anterior view. Scale bars a = 5 mm; b = 0.5 mm; c, d = 2 mm, e = 1 mm; f = 1 mm." httpUri="https://zenodo.org/record/168903/files/figure.png" pageId="16" pageNumber="17">Fig. 6</figureCitation>
e, this paper), although not all authors have included descriptions of their distribution (e.g.
<taxonomicName id="75AB4D39FFEE0266FD7E5623FC85FEA6" box="[713,895,284,309]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="17" pageNumber="18" phylum="Arthropoda" rank="species" species="brevitelsonis">
<emphasis id="80DFEAA8FFEE0266FD7E5623FC85FEA6" box="[713,895,284,309]" italics="true" pageId="17" pageNumber="18">A. brevitelsonis</emphasis>
</taxonomicName>
and
<taxonomicName id="75AB4D39FFEE0266FC0D5623FE67FECD" authority="Kikuchi &amp; Hashimoto, 2000" authorityName="Kikuchi &amp; Hashimoto" authorityYear="2000" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="17" pageNumber="18" phylum="Arthropoda" rank="species" species="leurokolos">
<emphasis id="80DFEAA8FFEE0266FC0D5623FBACFEA6" box="[954,1110,284,309]" italics="true" pageId="17" pageNumber="18">A. leurokolos</emphasis>
<bibRefCitation id="D63A4B4BFFEE0266FBE85623FE67FECD" author="Kikuchi" pageId="17" pageNumber="25" refString="Kikuchi, T. &amp; Hashimoto, J. (2000) Two new caridean shrimps of the family Alvinocarididae (Crustacea, Decapoda) from a hydrothermal field at the MinamiEnsei Knoll in the Mid-Okinawa Trough, Japan. Species Diversity, 5, 135 - 148." type="journal article" year="2000">Kikuchi &amp; Hashimoto, 2000</bibRefCitation>
</taxonomicName>
).
<taxonomicName id="75AB4D39FFEE0266FE04567BFC0AFECD" authority="Martin &amp; Hessler, 1990" authorityName="Martin &amp; Hessler" authorityYear="1990" box="[435,1008,324,350]" class="Malacostraca" family="Alvinocarididae" genus="Chorocaris" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="17" pageNumber="18" phylum="Arthropoda" rank="species" species="vandoverae">
<emphasis id="80DFEAA8FFEE0266FE04567BFD30FECE" box="[435,714,324,349]" italics="true" pageId="17" pageNumber="18">Chorocaris vandoverae</emphasis>
<bibRefCitation id="D63A4B4BFFEE0266FD64567BFC0AFECD" author="Martin" box="[723,1008,324,350]" pageId="17" pageNumber="25" refString="Martin, J. W. &amp; Hessler, R. R. (1990) Chorocaris vandoverae, a new genus and species of hydrothermal vent shrimp (Crustacea, Decapoda, Bresiliidae) from the Western Pacific. Contributions in Science, No. 417, 1 - 11." type="book chapter" year="1990">Martin &amp; Hessler, 1990</bibRefCitation>
</taxonomicName>
has multiple spines on its flexor surfaces, not arranged into rows, and
<taxonomicName id="75AB4D39FFEE0266FCBB5653FC65FE16" box="[780,927,364,389]" class="Malacostraca" family="Alvinocarididae" genus="Rimicaris" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="17" pageNumber="18" phylum="Arthropoda" rank="species" species="exoculata">
<emphasis id="80DFEAA8FFEE0266FCBB5653FC65FE16" box="[780,927,364,389]" italics="true" pageId="17" pageNumber="18">R. exoculata</emphasis>
</taxonomicName>
is described as having compound rows of these spines (
<bibRefCitation id="D63A4B4BFFEE0266FDB356ABFCE0FE3D" author="Williams" box="[516,794,404,430]" pageId="17" pageNumber="26" refString="Williams, A. B. &amp; Rona, P. A. (1986) Two new caridean shrimps (Bresiliidae) from a hydrothermal field on the Mid-Atlantic Ridge. Journal of Crustacean Biology, 6 (3), 446 - 462." type="journal article" year="1986">Williams &amp; Rona 1986</bibRefCitation>
).
</paragraph>
<paragraph id="B21436BAFFEE0266FE8F5683FC6EFC85" blockId="17.[264,1324,284,790]" pageId="17" pageNumber="18">
<bibRefCitation id="D63A4B4BFFEE0266FE8F5683FDA9FE45" author="Shank" box="[312,595,444,470]" pageId="17" pageNumber="25" refString="Shank, T. M., &amp; Martin, J. W. (2003) A new caridean shrimp of the family Alvinocarididae from thermal vents at Menez Gwen on the Mid-Atlantic Ridge. Proceedings of the Biological Society of Washington, 116 (1), 158 - 167." type="journal article" year="2003">Shank &amp; Martin (2003)</bibRefCitation>
were struck by the strong morphological similarities among extant
<taxonomicName id="75AB4D39FFEE0266FEEE56DBFE1AFE6E" box="[345,480,484,509]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="17" pageNumber="18" phylum="Arthropoda" rank="genus">
<emphasis id="80DFEAA8FFEE0266FEEE56DBFE1AFE6E" box="[345,480,484,509]" italics="true" pageId="17" pageNumber="18">Alvinocaris</emphasis>
</taxonomicName>
species living in relatively shallow water vent and seep environments (&lt;
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) in the Atlantic and Gulf of
<collectingCountry id="CABC762AFFEE0266FD795533FCD6FDB5" box="[718,812,524,550]" name="Mexico" pageId="17" pageNumber="18">Mexico</collectingCountry>
.
<taxonomicName id="75AB4D39FFEE0266FC805533FC3FFDB6" box="[823,965,524,549]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="17" pageNumber="18" phylum="Arthropoda" rank="species" species="williamsi">
<emphasis id="80DFEAA8FFEE0266FC805533FC3FFDB6" box="[823,965,524,549]" italics="true" pageId="17" pageNumber="18">A. williamsi</emphasis>
</taxonomicName>
was collected at
<quantity id="75539B5FFFEE0266FB245533FB25FDB5" box="[1171,1247,524,550]" metricMagnitude="2" metricUnit="m" metricValue="8.5" pageId="17" pageNumber="18" unit="m" value="850.0">850 m</quantity>
in the North Atlantic (these authors may have intended giving
<quantity id="75539B5FFFEE0266FC1F550BFC0EFDDD" box="[936,1012,564,590]" metricMagnitude="2" metricUnit="m" metricValue="8.5" pageId="17" pageNumber="18" unit="m" value="850.0">850 m</quantity>
as the maximum depth of relatively shallow
<taxonomicName id="75AB4D39FFEE0266FE5E5563FD8AFDE6" box="[489,624,604,629]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="17" pageNumber="18" phylum="Arthropoda" rank="genus">
<emphasis id="80DFEAA8FFEE0266FE5E5563FD8AFDE6" box="[489,624,604,629]" italics="true" pageId="17" pageNumber="18">Alvinocaris</emphasis>
</taxonomicName>
species) and the shallower depths of
<taxonomicName id="75AB4D39FFEE0266FBF55563FB2BFDE6" box="[1090,1233,604,629]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="17" pageNumber="18" phylum="Arthropoda" rank="species" species="muricola">
<emphasis id="80DFEAA8FFEE0266FBF55563FB2BFDE6" box="[1090,1233,604,629]" italics="true" pageId="17" pageNumber="18">A. muricola</emphasis>
</taxonomicName>
and
<taxonomicName id="75AB4D39FFEE0266FAA65563FE70FD0E" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="17" pageNumber="18" phylum="Arthropoda" rank="species" species="stactophila">
<emphasis id="80DFEAA8FFEE0266FAA65563FE70FD0E" italics="true" pageId="17" pageNumber="18">A. stactophila</emphasis>
</taxonomicName>
are indicated above. The two Pacific species
<taxonomicName id="75AB4D39FFEE0266FC1655BBFBC7FD0E" box="[929,1085,644,669]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="17" pageNumber="18" phylum="Arthropoda" rank="species" species="leurokolos">
<emphasis id="80DFEAA8FFEE0266FC1655BBFBC7FD0E" box="[929,1085,644,669]" italics="true" pageId="17" pageNumber="18">A. leurokolos</emphasis>
</taxonomicName>
and
<taxonomicName id="75AB4D39FFEE0266FBC255BBFAD1FD0E" box="[1141,1323,644,669]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="17" pageNumber="18" phylum="Arthropoda" rank="species" species="brevitelsonis">
<emphasis id="80DFEAA8FFEE0266FBC255BBFAD1FD0E" box="[1141,1323,644,669]" italics="true" pageId="17" pageNumber="18">A. brevitelsonis</emphasis>
</taxonomicName>
are likewise shallow water species, both from
<quantity id="75539B5FFFEE0266FCF65593FC75FD55" box="[833,911,684,710]" metricMagnitude="2" metricUnit="m" metricValue="7.05" pageId="17" pageNumber="18" unit="m" value="705.0">705 m</quantity>
(
<bibRefCitation id="D63A4B4BFFEE0266FC165593FB01FD55" author="Kikuchi" box="[929,1275,684,710]" pageId="17" pageNumber="25" refString="Kikuchi, T. &amp; Hashimoto, J. (2000) Two new caridean shrimps of the family Alvinocarididae (Crustacea, Decapoda) from a hydrothermal field at the MinamiEnsei Knoll in the Mid-Okinawa Trough, Japan. Species Diversity, 5, 135 - 148." type="journal article" year="2000">Kikuchi &amp; Hashimoto 2000</bibRefCitation>
).
<taxonomicName id="75AB4D39FFEE0266FAA65593FEBBFD7E" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="17" pageNumber="18" phylum="Arthropoda" rank="species" species="niwa">
<emphasis id="80DFEAA8FFEE0266FAA65593FEBBFD7E" italics="true" pageId="17" pageNumber="18">A. niwa</emphasis>
</taxonomicName>
, the shallowest
<taxonomicName id="75AB4D39FFEE0266FE4A55EBFD7EFD7E" box="[509,644,724,749]" class="Malacostraca" family="Alvinocarididae" genus="Alvinocaris" kingdom="Animalia" order="Decapoda" pageId="17" pageNumber="18" phylum="Arthropoda" rank="genus">
<emphasis id="80DFEAA8FFEE0266FE4A55EBFD7EFD7E" box="[509,644,724,749]" italics="true" pageId="17" pageNumber="18">Alvinocaris</emphasis>
</taxonomicName>
yet found, finds its closest affinities among these species, adding weight to Shank &amp; Martins (2003) observation.
</paragraph>
</subSubSection>
</treatment>
</document>