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<document id="1FAEF9B1CC283AF95351C8C7F71FC6EA" ID-CLB-Dataset="37007" ID-DOI="10.11646/zootaxa.3686.1.2" ID-GBIF-Dataset="b5359040-f6fe-480a-9f4a-774b2f30d2ff" ID-ISSN="1175-5326" ID-Zenodo-Dep="284154" ID-ZooBank="DBCCE386-C7F3-4AA6-B233-AC3E44D53A19" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460646332957" checkinUser="plazi" docAuthor="Arriaga-Hernández, Stefan, Hernández-Alcántara, Pablo &amp; Solís-Weiss, Vivianne" docDate="2013" docId="3750D77EDF0C0876FF4F8816FB49ED83" docLanguage="en" docName="zt03686p064.pdf" docOrigin="Zootaxa 3686 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Aricidea (Acmira) hirsuta Arriaga-Hernández, Hernández-Alcántara &amp; Solís-Weiss, 2013, n. sp." docType="treatment" docVersion="8" lastPageNumber="58" masterDocId="CB69AF06DF080871FFD88F2CFF8BE947" masterDocTitle="Description and distribution of two new species of Paraonidae (Annelida: Polychaeta) from a lagoon-estuarine ecosystem in the Southern Gulf of Mexico" masterLastPageNumber="64" masterPageNumber="51" pageNumber="55" updateTime="1732798256875" updateUser="ExternalLinkService">
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<mods:title id="EAF95DD73EF6A17009C538E5678CA318">Description and distribution of two new species of Paraonidae (Annelida: Polychaeta) from a lagoon-estuarine ecosystem in the Southern Gulf of Mexico</mods:title>
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<mods:namePart id="98C3374E88F747508730D64D8559BE8F">Arriaga-Hernández, Stefan</mods:namePart>
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<mods:namePart id="94D3B5EB66F4F1DB15602CECE296D353">Hernández-Alcántara, Pablo</mods:namePart>
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<mods:namePart id="7165794D3BF140B15E1F6449C37630F6">Solís-Weiss, Vivianne</mods:namePart>
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<mods:date id="9E4360B6CF32BF394ABF6CF864DA10C0">2013</mods:date>
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<mods:number id="F2BCE615B72B76C1ECF779B9383B3D70">3686</mods:number>
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<treatment id="3750D77EDF0C0876FF4F8816FB49ED83" ID-DOI="http://doi.org/10.5281/zenodo.5672325" ID-GBIF-Taxon="127664840" ID-Zenodo-Dep="5672325" LSID="urn:lsid:plazi:treatment:3750D77EDF0C0876FF4F8816FB49ED83" httpUri="http://treatment.plazi.org/id/3750D77EDF0C0876FF4F8816FB49ED83" lastPageId="7" lastPageNumber="58" pageId="4" pageNumber="55" scope_class="Polychaeta" scope_family="Paraonidae" scope_phylum="Annelida" scope_subGenus="Acmira">
<subSubSection id="F7E335E3DF0C0875FF4F8816FEF0EE32" pageId="4" pageNumber="55" type="nomenclature">
<paragraph id="BF466668DF0C0875FF4F8816FD93EE13" blockId="4.[151,536,1850,1909]" box="[151,536,1850,1876]" pageId="4" pageNumber="55">
<heading id="E40ED104DF0C0875FF4F8816FD93EE13" bold="true" box="[151,536,1850,1876]" fontSize="11" level="1" pageId="4" pageNumber="55" reason="1">
<emphasis id="8D8DBA7ADF0C0875FF4F8816FD93EE13" bold="true" box="[151,536,1850,1876]" pageId="4" pageNumber="55">
<taxonomicName id="78F91DEBDF0C0875FF4F8816FE44EE13" ID-CoL="GM7D" box="[151,463,1850,1876]" class="Polychaeta" family="Paraonidae" genus="Aricidea" kingdom="Animalia" pageId="4" pageNumber="55" phylum="Annelida" rank="species" species="hirsuta" status="sp. nov." subGenus="Acmira">
<emphasis id="8D8DBA7ADF0C0875FF4F8816FE44EE13" bold="true" box="[151,463,1850,1876]" italics="true" pageId="4" pageNumber="55">Aricidea (Acmira) hirsuta</emphasis>
</taxonomicName>
<taxonomicNameLabel id="96BE0701DF0C0875FE0E8816FD93EE13" box="[470,536,1850,1876]" pageId="4" pageNumber="55" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="BF466668DF0C0875FF4F8871FEF0EE32" blockId="4.[151,536,1850,1909]" box="[151,379,1885,1909]" pageId="4" pageNumber="55">
<figureCitation id="27C27AEDDF0C0875FF4F8871FE8BEE32" box="[151,256,1885,1909]" captionStart="FIGURE 2" captionStartId="5.[151,250,1902,1925]" captionTargetBox="[254,1304,1208,1864]" captionTargetId="figure@5.[226,1360,1201,1881]" captionTargetPageId="5" captionText="FIGURE 2. Aricidea (Acmira) hirsuta n. sp. (A) anterior region, lateral view; (B) posterior region, ventrolateral view; (C) modified posterior neurochaetae, redrawn from scanning electron microscopy photographs; (D) modified postbranchial neurochaetae; (E) modified medium neurochaetae, redrawn from scanning electron microscopy photographs. Scale bars: A, B 0.05 mm; C, E 5 µm, D 15 µm." httpUri="https://zenodo.org/record/284156/files/figure.png" pageId="4" pageNumber="55">Figures 2</figureCitation>
AE, 3AI
</paragraph>
</subSubSection>
<subSubSection id="F7E335E3DF0C0874FF4F8889FE05EB50" lastPageId="5" lastPageNumber="56" pageId="4" pageNumber="55" type="materials_examined">
<paragraph id="BF466668DF0C0874FF4F8889FBBAE85B" blockId="4.[151,1436,1957,2017]" lastBlockId="5.[151,1436,151,1148]" lastPageId="5" lastPageNumber="56" pageId="4" pageNumber="55">
<emphasis id="8D8DBA7ADF0C0875FF4F8889FE0BEEF9" bold="true" box="[151,384,1957,1982]" pageId="4" pageNumber="55">Material examined.</emphasis>
<emphasis id="8D8DBA7ADF0C0875FE5E888BFDAFEEF9" box="[390,548,1957,1982]" italics="true" pageId="4" pageNumber="55">
<typeStatus id="6042D8CADF0C0875FE5E888BFE33EEF9" box="[390,440,1959,1982]" pageId="4" pageNumber="55">Type</typeStatus>
material.
</emphasis>
<typeStatus id="6042D8CADF0C0875FDF48889FD12EEFA" box="[556,665,1957,1981]" pageId="4" pageNumber="55" type="holotype">Holotype</typeStatus>
: National Polychaete Collection,
<collectionCode id="D9E8FEADDF0C0875FBD58889FBDDEEFA" box="[1037,1110,1957,1981]" pageId="4" pageNumber="55">ICML</collectionCode>
,
<collectionCode id="D9E8FEADDF0C0875FBB8888AFB3EEEF9" box="[1120,1205,1958,1982]" httpUri="http://grbio.org/cool/10ei-x9nj" name="Universidad Nacional Autonoma de Mexico" pageId="4" pageNumber="55">UNAM</collectionCode>
(CNP
<collectionCode id="D9E8FEADDF0C0875FAD28889FADBEEFA" box="[1290,1360,1957,1981]" pageId="4" pageNumber="55">ICML</collectionCode>
POH 02001): Station 22,
<geoCoordinate id="DACD00AFDF0C0875FE5388E5FDC2EEA6" box="[395,585,1993,2017]" direction="north" orientation="latitude" pageId="4" pageNumber="55" precision="1" value="18.661222">18° 39' 40.40”N</geoCoordinate>
,
<geoCoordinate id="DACD00AFDF0C0875FD8F88E5FD7DEEA6" box="[599,758,1993,2017]" direction="west" orientation="longitude" pageId="4" pageNumber="55" precision="15" value="-91.545555">91° 32' 44”W</geoCoordinate>
,
<quantity id="7801CB8DDF0C0875FCDC88E5FCC1EEA6" box="[772,842,1993,2017]" metricMagnitude="0" metricUnit="m" metricValue="2.6" pageId="4" pageNumber="55" unit="m" value="2.6">2.6 m</quantity>
.
<emphasis id="8D8DBA7ADF0C0875FC8F88E6FC42EEA6" box="[855,969,1994,2017]" italics="true" pageId="4" pageNumber="55">
<typeStatus id="6042D8CADF0C0875FC8F88E6FC42EEA6" box="[855,969,1994,2017]" pageId="4" pageNumber="55" type="paratype">Paratypes</typeStatus>
</emphasis>
: National Polychaete Collection,
<collectionCode id="D9E8FEADDF0C0875FA9788E5FA13EEA6" box="[1359,1432,1993,2017]" pageId="4" pageNumber="55">ICML</collectionCode>
,
<collectionCode id="D9E8FEADDF0D0874FF4F8FB4FF67E9F7" box="[151,236,152,176]" httpUri="http://grbio.org/cool/10ei-x9nj" name="Universidad Nacional Autonoma de Mexico" pageId="5" pageNumber="56">UNAM</collectionCode>
(CNP
<collectionCode id="D9E8FEADDF0D0874FE9A8FBBFE03E9E8" box="[322,392,151,175]" pageId="5" pageNumber="56">ICML</collectionCode>
POP02001): 7
<typeStatus id="6042D8CADF0D0874FD8F8FB4FD4EE9F7" box="[599,709,152,176]" pageId="5" pageNumber="56" type="paratype">paratypes</typeStatus>
, one of them coated with gold for SEM studies, Station 22,
<geoCoordinate id="DACD00AFDF0D0874FAAD8FBBFEAFE993" direction="north" orientation="latitude" pageId="5" pageNumber="56" precision="1" value="18.661222">18° 39' 40.40”N</geoCoordinate>
,
<geoCoordinate id="DACD00AFDF0D0874FEEB8F90FE59E993" box="[307,466,188,212]" direction="west" orientation="longitude" pageId="5" pageNumber="56" precision="15" value="-91.545555">91° 32' 44”W</geoCoordinate>
,
<quantity id="7801CB8DDF0D0874FE388F90FDADE993" box="[480,550,188,212]" metricMagnitude="0" metricUnit="m" metricValue="2.6" pageId="5" pageNumber="56" unit="m" value="2.6">2.6 m</quantity>
. Museo Nacional de Ciencias Naturales de Madrid (
<collectionCode id="D9E8FEADDF0D0874FB5E8F90FB57E993" LSID="urn:lsid:biocol.org:col:35275" box="[1158,1244,188,212]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35275" name="Museo Nacional de Ciencias Naturales" pageId="5" pageNumber="56">MNCN</collectionCode>
16.01/14719): 6
<typeStatus id="6042D8CADF0D0874FF4F8FCCFE8EE9BF" box="[151,261,224,248]" pageId="5" pageNumber="56" type="paratype">paratypes</typeStatus>
, Station 24,
<geoCoordinate id="DACD00AFDF0D0874FE478FF3FDB5E9B0" box="[415,574,223,247]" direction="north" orientation="latitude" pageId="5" pageNumber="56" precision="15" value="18.575">18° 34' 30”N</geoCoordinate>
,
<geoCoordinate id="DACD00AFDF0D0874FD978FF3FD79E9B0" box="[591,754,223,247]" direction="west" orientation="longitude" pageId="5" pageNumber="56" precision="15" value="-91.49833">91° 29' 54”W</geoCoordinate>
,
<quantity id="7801CB8DDF0D0874FCDB8FF3FCC0E9B0" box="[771,843,223,247]" metricMagnitude="0" metricUnit="m" metricValue="3.9" pageId="5" pageNumber="56" unit="m" value="3.9">3.9 m</quantity>
. Stations located in Términos Lagoon, Campeche, Southern Gulf of
<collectingCountry id="C7EE26F8DF0D0874FE838E28FE3FE85B" box="[347,436,260,284]" name="Mexico" pageId="5" pageNumber="56">Mexico</collectingCountry>
; collected
<date id="CB4740A8DF0D0874FDF38E28FD79E85B" box="[555,754,260,284]" pageId="5" pageNumber="56" value="2009-10-20">October 20, 2009</date>
, by P. Hernández-Alcántara.
</paragraph>
<paragraph id="BF466668DF0D0874FF1F8E0BFE05EB50" blockId="5.[151,1436,151,1148]" pageId="5" pageNumber="56">
<emphasis id="8D8DBA7ADF0D0874FF1F8E0BFE30E807" bold="true" box="[199,443,295,320]" pageId="5" pageNumber="56">Additional material</emphasis>
. National Polychaete Collection,
<collectionCode id="D9E8FEADDF0D0874FC828E0BFC28E878" box="[858,931,295,319]" pageId="5" pageNumber="56">ICML</collectionCode>
,
<collectionCode id="D9E8FEADDF0D0874FC6F8E04FB86E807" box="[951,1037,296,320]" httpUri="http://grbio.org/cool/10ei-x9nj" name="Universidad Nacional Autonoma de Mexico" pageId="5" pageNumber="56">UNAM</collectionCode>
(CNP
<collectionCode id="D9E8FEADDF0D0874FBB28E0BFB3BE878" box="[1130,1200,295,319]" pageId="5" pageNumber="56">ICML</collectionCode>
PO02040), 1112 specimens: Station 18,
<specimenCount id="A9FFADE1DF0D0874FE438E60FDBDE823" box="[411,566,332,356]" pageId="5" pageNumber="56" type="generic">21 specimens</specimenCount>
,
<geoCoordinate id="DACD00AFDF0D0874FD998E60FD50E823" box="[577,731,332,356]" direction="north" orientation="latitude" pageId="5" pageNumber="56" precision="15" value="18.56111">18° 33 40”N</geoCoordinate>
,
<geoCoordinate id="DACD00AFDF0D0874FD3E8E60FC0FE823" box="[742,900,332,356]" direction="west" orientation="longitude" pageId="5" pageNumber="56" precision="15" value="-91.602776">91° 36 10”W</geoCoordinate>
,
<specimenCount id="A9FFADE1DF0D0874FC488E60FC49E823" box="[912,962,332,356]" pageId="5" pageNumber="56" type="generic">
<quantity id="7801CB8DDF0D0874FC488E60FC35E823" box="[912,958,332,356]" metricMagnitude="0" metricUnit="m" metricValue="4.0" pageId="5" pageNumber="56" unit="m" value="4.0">4 m</quantity>
.
</specimenCount>
Station 22,
<specimenCount id="A9FFADE1DF0D0874FB918E60FBF8E823" box="[1097,1139,332,356]" pageId="5" pageNumber="56" type="generic">201</specimenCount>
specimens,
<geoCoordinate id="DACD00AFDF0D0874FB258E60FA1CE823" box="[1277,1431,332,356]" direction="north" orientation="latitude" pageId="5" pageNumber="56" precision="15" value="18.66111">18° 39 40”N</geoCoordinate>
,
<geoCoordinate id="DACD00AFDF0D0874FF4F8E43FEBDE8C0" box="[151,310,367,391]" direction="west" orientation="longitude" pageId="5" pageNumber="56" precision="15" value="-91.545555">91° 32 44”W</geoCoordinate>
,
<quantity id="7801CB8DDF0D0874FE9B8E43FE0DE8C0" box="[323,390,367,391]" metricMagnitude="0" metricUnit="m" metricValue="2.6" pageId="5" pageNumber="56" unit="m" value="2.6">2.6 m</quantity>
. Station 23,
<specimenCount id="A9FFADE1DF0D0874FDCC8E43FDB5E8C0" box="[532,574,367,391]" pageId="5" pageNumber="56" type="generic">619</specimenCount>
specimens,
<geoCoordinate id="DACD00AFDF0D0874FD118E43FCEEE8C0" box="[713,869,367,391]" direction="north" orientation="latitude" pageId="5" pageNumber="56" precision="15" value="18.616667">18° 37 00”N</geoCoordinate>
,
<geoCoordinate id="DACD00AFDF0D0874FCA98E43FB9AE8C0" box="[881,1041,367,391]" direction="west" orientation="longitude" pageId="5" pageNumber="56" precision="15" value="-91.51945">91° 31 10”W</geoCoordinate>
,
<quantity id="7801CB8DDF0D0874FBC58E43FBEAE8C0" box="[1053,1121,367,391]" metricMagnitude="0" metricUnit="m" metricValue="3.9" pageId="5" pageNumber="56" unit="m" value="3.9">3.9 m</quantity>
. Station 24,
<specimenCount id="A9FFADE1DF0D0874FB368E43FA93E8C0" box="[1262,1304,367,391]" pageId="5" pageNumber="56" type="generic">199</specimenCount>
specimens,
<geoCoordinate id="DACD00AFDF0D0874FF4F8EB8FEB8E8EB" box="[151,307,404,428]" direction="north" orientation="latitude" pageId="5" pageNumber="56" precision="15" value="18.575">18° 34 30”N</geoCoordinate>
,
<geoCoordinate id="DACD00AFDF0D0874FE988EB8FE54E8EB" box="[320,479,404,428]" direction="west" orientation="longitude" pageId="5" pageNumber="56" precision="15" value="-91.49833">91° 29 54”W</geoCoordinate>
,
<quantity id="7801CB8DDF0D0874FE348EB8FDBBE8EB" box="[492,560,404,428]" metricMagnitude="0" metricUnit="m" metricValue="3.9" pageId="5" pageNumber="56" unit="m" value="3.9">3.9 m</quantity>
. Station 25,
<specimenCount id="A9FFADE1DF0D0874FD668EB8FCC0E8EB" box="[702,843,404,428]" pageId="5" pageNumber="56" type="generic">5 specimens</specimenCount>
,
<geoCoordinate id="DACD00AFDF0D0874FC808EB8FC7FE8EB" box="[856,1012,404,428]" direction="north" orientation="latitude" pageId="5" pageNumber="56" precision="15" value="18.541666">18° 32 30”N</geoCoordinate>
,
<geoCoordinate id="DACD00AFDF0D0874FBD98EB8FB29E8EB" box="[1025,1186,404,428]" direction="west" orientation="longitude" pageId="5" pageNumber="56" precision="15" value="-91.4775">91° 28 39”W</geoCoordinate>
,
<quantity id="7801CB8DDF0D0874FB768EB8FB79E8EB" box="[1198,1266,404,428]" metricMagnitude="0" metricUnit="m" metricValue="3.8" pageId="5" pageNumber="56" unit="m" value="3.8">3.8 m</quantity>
. Station 26,
<specimenCount id="A9FFADE1DF0D0874FA588EB8FE84E888" pageId="5" pageNumber="56" type="generic">51 specimens</specimenCount>
,
<geoCoordinate id="DACD00AFDF0D0874FEC28E9BFE38E888" box="[282,435,439,463]" direction="north" orientation="latitude" pageId="5" pageNumber="56" precision="15" value="18.575">18° 34 30”N</geoCoordinate>
,
<geoCoordinate id="DACD00AFDF0D0874FE678E9BFDD6E888" box="[447,605,439,463]" direction="west" orientation="longitude" pageId="5" pageNumber="56" precision="15" value="-91.37778">91° 22 40”W</geoCoordinate>
,
<quantity id="7801CB8DDF0D0874FDB08E9BFD20E888" box="[616,683,439,463]" metricMagnitude="0" metricUnit="m" metricValue="3.2" pageId="5" pageNumber="56" unit="m" value="3.2">3.2 m</quantity>
. Station 28,
<specimenCount id="A9FFADE1DF0D0874FCEE8E9BFC5AE888" box="[822,977,439,463]" pageId="5" pageNumber="56" type="generic">15 specimens</specimenCount>
,
<geoCoordinate id="DACD00AFDF0D0874FC048E9BFBFDE888" box="[988,1142,439,463]" direction="north" orientation="latitude" pageId="5" pageNumber="56" precision="15" value="18.670277">18° 40 13”N</geoCoordinate>
,
<geoCoordinate id="DACD00AFDF0D0874FB598E9BFA94E888" box="[1153,1311,439,463]" direction="west" orientation="longitude" pageId="5" pageNumber="56" precision="15" value="-91.44278">91° 26 34”W</geoCoordinate>
,
<quantity id="7801CB8DDF0D0874FAF28E9BFAE6E888" box="[1322,1389,439,463]" metricMagnitude="0" metricUnit="m" metricValue="3.3" pageId="5" pageNumber="56" unit="m" value="3.3">3.3 m</quantity>
. All the stations located in Términos Lagoon, Campeche, Southern Gulf of
<collectingCountry id="C7EE26F8DF0D0874FC648EF0FB9EE8B3" box="[956,1045,476,500]" name="Mexico" pageId="5" pageNumber="56">Mexico</collectingCountry>
; collected
<date id="CB4740A8DF0D0874FB578EF0FAD3E8B3" box="[1167,1368,476,500]" pageId="5" pageNumber="56" value="2009-10-20">October 20, 2009</date>
, by P. Hernández-Alcántara.
</paragraph>
</subSubSection>
<subSubSection id="F7E335E3DF0D0874FF1F8D0FFD43ED3B" pageId="5" pageNumber="56" type="description">
<paragraph id="BF466668DF0D0874FF1F8D0FFD43ED3B" blockId="5.[151,1436,151,1148]" pageId="5" pageNumber="56">
<emphasis id="8D8DBA7ADF0D0874FF1F8D0FFED2EB7B" bold="true" box="[199,345,547,572]" pageId="5" pageNumber="56">Description.</emphasis>
<typeStatus id="6042D8CADF0D0874FEB88D08FE43EB7B" box="[352,456,548,572]" pageId="5" pageNumber="56" type="holotype">Holotype</typeStatus>
complete with 102 chaetigers, body length
<quantity id="7801CB8DDF0D0874FC628D08FBA5EB7B" box="[954,1070,548,572]" metricMagnitude="-2" metricUnit="m" metricValue="1.182" pageId="5" pageNumber="56" unit="mm" value="11.82">11.82 mm</quantity>
, width
<quantity id="7801CB8DDF0D0874FB5A8D08FB61EB7B" box="[1154,1258,548,572]" metricMagnitude="-4" metricUnit="m" metricValue="2.8" pageId="5" pageNumber="56" unit="mm" value="0.28">0.28 mm</quantity>
;
<typeStatus id="6042D8CADF0D0874FB2F8D09FAE9EB7A" box="[1271,1378,549,573]" pageId="5" pageNumber="56" type="paratype">paratypes</typeStatus>
with 61112 chaetigers,
<quantity id="7801CB8DDF0D0874FEA88D6BFDAAEB18" box="[368,545,583,607]" metricMagnitude="-3" metricUnit="m" metricValue="9.305" metricValueMax="14.16" metricValueMin="4.45" pageId="5" pageNumber="56" unit="mm" value="9.305" valueMax="14.16" valueMin="4.45">4.4514.16 mm</quantity>
long and
<quantity id="7801CB8DDF0D0874FD488D6BFCB8EB18" box="[656,819,583,607]" metricMagnitude="-4" metricUnit="m" metricValue="2.8499999999999996" metricValueMax="3.5" metricValueMin="2.2" pageId="5" pageNumber="56" unit="mm" value="0.285" valueMax="0.35" valueMin="0.22">0.220.35 mm</quantity>
wide. Body wide, dorsoventrally flattened in branchial region, cylindrical in postbranchial region (
<figureCitation id="27C27AEDDF0D0874FD5C8D40FD46EBC3" box="[644,717,620,644]" captionStart="FIGURE 2" captionStartId="5.[151,250,1902,1925]" captionTargetBox="[254,1304,1208,1864]" captionTargetId="figure@5.[226,1360,1201,1881]" captionTargetPageId="5" captionText="FIGURE 2. Aricidea (Acmira) hirsuta n. sp. (A) anterior region, lateral view; (B) posterior region, ventrolateral view; (C) modified posterior neurochaetae, redrawn from scanning electron microscopy photographs; (D) modified postbranchial neurochaetae; (E) modified medium neurochaetae, redrawn from scanning electron microscopy photographs. Scale bars: A, B 0.05 mm; C, E 5 µm, D 15 µm." httpUri="https://zenodo.org/record/284156/files/figure.png" pageId="5" pageNumber="56">Figs 2</figureCitation>
A, 3A). Prostomium triangular, distally rounded, slightly wider than long, with no eyes (
<figureCitation id="27C27AEDDF0D0874FE718DA3FE67EBE0" box="[425,492,655,679]" captionStart="FIGURE 2" captionStartId="5.[151,250,1902,1925]" captionTargetBox="[254,1304,1208,1864]" captionTargetId="figure@5.[226,1360,1201,1881]" captionTargetPageId="5" captionText="FIGURE 2. Aricidea (Acmira) hirsuta n. sp. (A) anterior region, lateral view; (B) posterior region, ventrolateral view; (C) modified posterior neurochaetae, redrawn from scanning electron microscopy photographs; (D) modified postbranchial neurochaetae; (E) modified medium neurochaetae, redrawn from scanning electron microscopy photographs. Scale bars: A, B 0.05 mm; C, E 5 µm, D 15 µm." httpUri="https://zenodo.org/record/284156/files/figure.png" pageId="5" pageNumber="56">Fig. 2</figureCitation>
A). Nuchal organs as pair of oblique, deep slits. Median antenna proximally inflated, tapering to short blunt end, extending to posterior margin of prostomium (
<figureCitation id="27C27AEDDF0D0874FBD78D98FBD0EB8B" box="[1039,1115,692,716]" captionStart="FIGURE 2" captionStartId="5.[151,250,1902,1925]" captionTargetBox="[254,1304,1208,1864]" captionTargetId="figure@5.[226,1360,1201,1881]" captionTargetPageId="5" captionText="FIGURE 2. Aricidea (Acmira) hirsuta n. sp. (A) anterior region, lateral view; (B) posterior region, ventrolateral view; (C) modified posterior neurochaetae, redrawn from scanning electron microscopy photographs; (D) modified postbranchial neurochaetae; (E) modified medium neurochaetae, redrawn from scanning electron microscopy photographs. Scale bars: A, B 0.05 mm; C, E 5 µm, D 15 µm." httpUri="https://zenodo.org/record/284156/files/figure.png" pageId="5" pageNumber="56">Figs 2</figureCitation>
A, 3A). Three prebranchial chaetigers (
<figureCitation id="27C27AEDDF0D0874FEC28DFBFEE8EBA8" box="[282,355,727,751]" captionStart="FIGURE 2" captionStartId="5.[151,250,1902,1925]" captionTargetBox="[254,1304,1208,1864]" captionTargetId="figure@5.[226,1360,1201,1881]" captionTargetPageId="5" captionText="FIGURE 2. Aricidea (Acmira) hirsuta n. sp. (A) anterior region, lateral view; (B) posterior region, ventrolateral view; (C) modified posterior neurochaetae, redrawn from scanning electron microscopy photographs; (D) modified postbranchial neurochaetae; (E) modified medium neurochaetae, redrawn from scanning electron microscopy photographs. Scale bars: A, B 0.05 mm; C, E 5 µm, D 15 µm." httpUri="https://zenodo.org/record/284156/files/figure.png" pageId="5" pageNumber="56">Figs 2</figureCitation>
A, 3A, B). First two notopodial postchaetal lobes short, subtriangular (
<figureCitation id="27C27AEDDF0D0874FB4A8DFBFB5CEBA8" box="[1170,1239,727,751]" captionStart="FIGURE 2" captionStartId="5.[151,250,1902,1925]" captionTargetBox="[254,1304,1208,1864]" captionTargetId="figure@5.[226,1360,1201,1881]" captionTargetPageId="5" captionText="FIGURE 2. Aricidea (Acmira) hirsuta n. sp. (A) anterior region, lateral view; (B) posterior region, ventrolateral view; (C) modified posterior neurochaetae, redrawn from scanning electron microscopy photographs; (D) modified postbranchial neurochaetae; (E) modified medium neurochaetae, redrawn from scanning electron microscopy photographs. Scale bars: A, B 0.05 mm; C, E 5 µm, D 15 µm." httpUri="https://zenodo.org/record/284156/files/figure.png" pageId="5" pageNumber="56">Fig. 2</figureCitation>
A, 3B), cirriform from chaetiger 3 (
<figureCitation id="27C27AEDDF0D0874FEBE8DD0FE24EA53" box="[358,431,764,788]" captionStart="FIGURE 2" captionStartId="5.[151,250,1902,1925]" captionTargetBox="[254,1304,1208,1864]" captionTargetId="figure@5.[226,1360,1201,1881]" captionTargetPageId="5" captionText="FIGURE 2. Aricidea (Acmira) hirsuta n. sp. (A) anterior region, lateral view; (B) posterior region, ventrolateral view; (C) modified posterior neurochaetae, redrawn from scanning electron microscopy photographs; (D) modified postbranchial neurochaetae; (E) modified medium neurochaetae, redrawn from scanning electron microscopy photographs. Scale bars: A, B 0.05 mm; C, E 5 µm, D 15 µm." httpUri="https://zenodo.org/record/284156/files/figure.png" pageId="5" pageNumber="56">Figs 2</figureCitation>
A, 3B), progressively longer in branchial region (
<figureCitation id="27C27AEDDF0D0874FC308DD0FBBAEA53" box="[1000,1073,764,788]" captionStart="FIGURE 2" captionStartId="5.[151,250,1902,1925]" captionTargetBox="[254,1304,1208,1864]" captionTargetId="figure@5.[226,1360,1201,1881]" captionTargetPageId="5" captionText="FIGURE 2. Aricidea (Acmira) hirsuta n. sp. (A) anterior region, lateral view; (B) posterior region, ventrolateral view; (C) modified posterior neurochaetae, redrawn from scanning electron microscopy photographs; (D) modified postbranchial neurochaetae; (E) modified medium neurochaetae, redrawn from scanning electron microscopy photographs. Scale bars: A, B 0.05 mm; C, E 5 µm, D 15 µm." httpUri="https://zenodo.org/record/284156/files/figure.png" pageId="5" pageNumber="56">Figs 2</figureCitation>
A, 3C) to long, thin, filiform in posterior region (
<figureCitation id="27C27AEDDF0D0874FEB88C33FE2EEA70" box="[352,421,799,823]" captionStart="FIGURE 3" captionStartId="6.[151,250,1575,1598]" captionTargetBox="[246,1342,215,1522]" captionTargetId="figure@6.[226,1360,193,1554]" captionTargetPageId="6" captionText="FIGURE 3. Aricidea (Acmira) hirsuta n. sp. (A) anterior region, dorsal view; (B) notopodia 1 to 3, lateral view; (C) parapodia 2 to 6, lateral view; (D) modified medium neurochaetae; (E) branchial-postbranchial region, dorsal view; (F) modified posterior neurochaetae; (G) modified postbranchial neurochaetae; (H) posterior end, lateral view; (I) posterior end, ventrolateral view. Scale bars: A 0.2 mm; B, I 0.02 mm; C, H 0.05 mm; D, F, G 5 µm; E 0.01 mm." httpUri="https://zenodo.org/record/284157/files/figure.png" pageId="5" pageNumber="56">Fig. 3</figureCitation>
E, H, I). Neuropodial postchaetal lobes absent. Ciliated branchiae arranged on dorsum, starting from chaetiger 4, 15 pairs, basally inflated, foliaceous, distally pointed, as long as body width when posterior-most (
<figureCitation id="27C27AEDDF0D0874FE928C4BFE06EA38" box="[330,397,871,895]" captionStart="FIGURE 3" captionStartId="6.[151,250,1575,1598]" captionTargetBox="[246,1342,215,1522]" captionTargetId="figure@6.[226,1360,193,1554]" captionTargetPageId="6" captionText="FIGURE 3. Aricidea (Acmira) hirsuta n. sp. (A) anterior region, dorsal view; (B) notopodia 1 to 3, lateral view; (C) parapodia 2 to 6, lateral view; (D) modified medium neurochaetae; (E) branchial-postbranchial region, dorsal view; (F) modified posterior neurochaetae; (G) modified postbranchial neurochaetae; (H) posterior end, lateral view; (I) posterior end, ventrolateral view. Scale bars: A 0.2 mm; B, I 0.02 mm; C, H 0.05 mm; D, F, G 5 µm; E 0.01 mm." httpUri="https://zenodo.org/record/284157/files/figure.png" pageId="5" pageNumber="56">Fig. 3</figureCitation>
A, C, E). Notochaetae all slender capillaries, with numerous thin filaments on their internal margin. Neurochaetae including slender capillary and modified chaetae from chaetiger 18 (
<figureCitation id="27C27AEDDF0D0874FB7E8CA0FB64EAE3" box="[1190,1263,908,932]" captionStart="FIGURE 2" captionStartId="5.[151,250,1902,1925]" captionTargetBox="[254,1304,1208,1864]" captionTargetId="figure@5.[226,1360,1201,1881]" captionTargetPageId="5" captionText="FIGURE 2. Aricidea (Acmira) hirsuta n. sp. (A) anterior region, lateral view; (B) posterior region, ventrolateral view; (C) modified posterior neurochaetae, redrawn from scanning electron microscopy photographs; (D) modified postbranchial neurochaetae; (E) modified medium neurochaetae, redrawn from scanning electron microscopy photographs. Scale bars: A, B 0.05 mm; C, E 5 µm, D 15 µm." httpUri="https://zenodo.org/record/284156/files/figure.png" pageId="5" pageNumber="56">Figs 2</figureCitation>
C, D, E, 3D, F, G). Modified chaetae appearing as curved spines with blunt shaft surrounded by pubescence (
<figureCitation id="27C27AEDDF0D0874FB648C83FB74EA80" box="[1212,1279,943,967]" captionStart="FIGURE 3" captionStartId="6.[151,250,1575,1598]" captionTargetBox="[246,1342,215,1522]" captionTargetId="figure@6.[226,1360,193,1554]" captionTargetPageId="6" captionText="FIGURE 3. Aricidea (Acmira) hirsuta n. sp. (A) anterior region, dorsal view; (B) notopodia 1 to 3, lateral view; (C) parapodia 2 to 6, lateral view; (D) modified medium neurochaetae; (E) branchial-postbranchial region, dorsal view; (F) modified posterior neurochaetae; (G) modified postbranchial neurochaetae; (H) posterior end, lateral view; (I) posterior end, ventrolateral view. Scale bars: A 0.2 mm; B, I 0.02 mm; C, H 0.05 mm; D, F, G 5 µm; E 0.01 mm." httpUri="https://zenodo.org/record/284157/files/figure.png" pageId="5" pageNumber="56">Fig. 3</figureCitation>
D); pubescent filaments numerous and inserted in median and distal end of chaetae (
<figureCitation id="27C27AEDDF0D0874FC6B8CF8FC77EAAB" box="[947,1020,980,1004]" captionStart="FIGURE 2" captionStartId="5.[151,250,1902,1925]" captionTargetBox="[254,1304,1208,1864]" captionTargetId="figure@5.[226,1360,1201,1881]" captionTargetPageId="5" captionText="FIGURE 2. Aricidea (Acmira) hirsuta n. sp. (A) anterior region, lateral view; (B) posterior region, ventrolateral view; (C) modified posterior neurochaetae, redrawn from scanning electron microscopy photographs; (D) modified postbranchial neurochaetae; (E) modified medium neurochaetae, redrawn from scanning electron microscopy photographs. Scale bars: A, B 0.05 mm; C, E 5 µm, D 15 µm." httpUri="https://zenodo.org/record/284156/files/figure.png" pageId="5" pageNumber="56">Figs 2</figureCitation>
D, 3F); some spines with one or two distal filaments clearly longer (
<figureCitation id="27C27AEDDF0D0874FE2F8CDBFDCBED48" box="[503,576,1015,1039]" captionStart="FIGURE 2" captionStartId="5.[151,250,1902,1925]" captionTargetBox="[254,1304,1208,1864]" captionTargetId="figure@5.[226,1360,1201,1881]" captionTargetPageId="5" captionText="FIGURE 2. Aricidea (Acmira) hirsuta n. sp. (A) anterior region, lateral view; (B) posterior region, ventrolateral view; (C) modified posterior neurochaetae, redrawn from scanning electron microscopy photographs; (D) modified postbranchial neurochaetae; (E) modified medium neurochaetae, redrawn from scanning electron microscopy photographs. Scale bars: A, B 0.05 mm; C, E 5 µm, D 15 µm." httpUri="https://zenodo.org/record/284156/files/figure.png" pageId="5" pageNumber="56">Figs 2</figureCitation>
C, D, 3D). Up to seven modified chaetae per neuropodium (
<figureCitation id="27C27AEDDF0D0874FB308CDBFAA1ED48" box="[1256,1322,1015,1039]" captionStart="FIGURE 3" captionStartId="6.[151,250,1575,1598]" captionTargetBox="[246,1342,215,1522]" captionTargetId="figure@6.[226,1360,193,1554]" captionTargetPageId="6" captionText="FIGURE 3. Aricidea (Acmira) hirsuta n. sp. (A) anterior region, dorsal view; (B) notopodia 1 to 3, lateral view; (C) parapodia 2 to 6, lateral view; (D) modified medium neurochaetae; (E) branchial-postbranchial region, dorsal view; (F) modified posterior neurochaetae; (G) modified postbranchial neurochaetae; (H) posterior end, lateral view; (I) posterior end, ventrolateral view. Scale bars: A 0.2 mm; B, I 0.02 mm; C, H 0.05 mm; D, F, G 5 µm; E 0.01 mm." httpUri="https://zenodo.org/record/284157/files/figure.png" pageId="5" pageNumber="56">Fig. 3</figureCitation>
G), which increase in size and decrease in number towards posterior end of body; about 14 segments before the pygidium, only one or two modified chaetae per parapodium, stouter and longer (
<figureCitation id="27C27AEDDF0D0874FC748B13FC7BED10" box="[940,1008,1087,1111]" captionStart="FIGURE 2" captionStartId="5.[151,250,1902,1925]" captionTargetBox="[254,1304,1208,1864]" captionTargetId="figure@5.[226,1360,1201,1881]" captionTargetPageId="5" captionText="FIGURE 2. Aricidea (Acmira) hirsuta n. sp. (A) anterior region, lateral view; (B) posterior region, ventrolateral view; (C) modified posterior neurochaetae, redrawn from scanning electron microscopy photographs; (D) modified postbranchial neurochaetae; (E) modified medium neurochaetae, redrawn from scanning electron microscopy photographs. Scale bars: A, B 0.05 mm; C, E 5 µm, D 15 µm." httpUri="https://zenodo.org/record/284156/files/figure.png" pageId="5" pageNumber="56">Fig. 2</figureCitation>
B). Pygidium rounded, with three anal cirri of similar size, ventrally situated (
<figureCitation id="27C27AEDDF0D0874FD928B48FD07ED3B" box="[586,652,1124,1148]" captionStart="FIGURE 3" captionStartId="6.[151,250,1575,1598]" captionTargetBox="[246,1342,215,1522]" captionTargetId="figure@6.[226,1360,193,1554]" captionTargetPageId="6" captionText="FIGURE 3. Aricidea (Acmira) hirsuta n. sp. (A) anterior region, dorsal view; (B) notopodia 1 to 3, lateral view; (C) parapodia 2 to 6, lateral view; (D) modified medium neurochaetae; (E) branchial-postbranchial region, dorsal view; (F) modified posterior neurochaetae; (G) modified postbranchial neurochaetae; (H) posterior end, lateral view; (I) posterior end, ventrolateral view. Scale bars: A 0.2 mm; B, I 0.02 mm; C, H 0.05 mm; D, F, G 5 µm; E 0.01 mm." httpUri="https://zenodo.org/record/284157/files/figure.png" pageId="5" pageNumber="56">Fig. 3</figureCitation>
H, I).
</paragraph>
</subSubSection>
<caption id="EB8636E0DF0D0874FF4F8842FE5EEEA6" httpUri="https://zenodo.org/record/284156/files/figure.png" pageId="5" pageNumber="56" targetBox="[254,1304,1208,1864]" targetPageId="5">
<paragraph id="BF466668DF0D0874FF4F8842FE5EEEA6" blockId="5.[151,1436,1902,2017]" pageId="5" pageNumber="56">
<emphasis id="8D8DBA7ADF0D0874FF4F8842FE9EEEC3" bold="true" box="[151,277,1902,1925]" pageId="5" pageNumber="56">FIGURE 2.</emphasis>
<taxonomicName id="78F91DEBDF0D0874FEC68843FDA1EEC2" box="[286,554,1903,1925]" class="Polychaeta" family="Paraonidae" genus="Aricidea" kingdom="Animalia" pageId="5" pageNumber="56" phylum="Annelida" rank="species" species="hirsuta" status="sp. nov." subGenus="Acmira">
<emphasis id="8D8DBA7ADF0D0874FEC68843FDA1EEC2" box="[286,554,1903,1925]" italics="true" pageId="5" pageNumber="56">Aricidea (Acmira) hirsuta</emphasis>
</taxonomicName>
<emphasis id="8D8DBA7ADF0D0874FDEB8843FDE5EEC3" bold="true" box="[563,622,1903,1924]" pageId="5" pageNumber="56">
<taxonomicNameLabel id="96BE0701DF0D0874FDEB8843FDE5EEC3" box="[563,622,1903,1924]" pageId="5" pageNumber="56" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
(A) anterior region, lateral view; (B) posterior region, ventrolateral view; (C) modified posterior neurochaetae, redrawn from scanning electron microscopy photographs; (D) modified postbranchial neurochaetae; (E) modified medium neurochaetae, redrawn from scanning electron microscopy photographs. Scale bars: A, B 0.05 mm; C, E 5 µm, D 15 µm.
</paragraph>
</caption>
<caption id="EB8636E0DF0E0877FF4F890BFC31EFDE" httpUri="https://zenodo.org/record/284157/files/figure.png" pageId="6" pageNumber="57" targetBox="[246,1342,215,1522]" targetPageId="6">
<paragraph id="BF466668DF0E0877FF4F890BFC31EFDE" blockId="6.[151,1437,1575,1689]" pageId="6" pageNumber="57">
<emphasis id="8D8DBA7ADF0E0877FF4F890BFE87EF7B" bold="true" box="[151,268,1575,1598]" pageId="6" pageNumber="57">FIGURE 3</emphasis>
.
<taxonomicName id="78F91DEBDF0E0877FEC1890BFD94EF7A" box="[281,543,1575,1597]" class="Polychaeta" family="Paraonidae" genus="Aricidea" kingdom="Animalia" pageId="6" pageNumber="57" phylum="Annelida" rank="species" species="hirsuta" status="sp. nov." subGenus="Acmira">
<emphasis id="8D8DBA7ADF0E0877FEC1890BFD94EF7A" box="[281,543,1575,1597]" italics="true" pageId="6" pageNumber="57">Aricidea (Acmira) hirsuta</emphasis>
</taxonomicName>
<emphasis id="8D8DBA7ADF0E0877FDFD8904FDD4EF7A" bold="true" box="[549,607,1576,1597]" pageId="6" pageNumber="57">
<taxonomicNameLabel id="96BE0701DF0E0877FDFD8904FDD4EF7A" box="[549,607,1576,1597]" pageId="6" pageNumber="57" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
(A) anterior region, dorsal view; (B) notopodia 1 to 3, lateral view; (C) parapodia 2 to 6, lateral view; (D) modified medium neurochaetae; (E) branchial-postbranchial region, dorsal view; (F) modified posterior neurochaetae; (G) modified postbranchial neurochaetae; (H) posterior end, lateral view; (I) posterior end, ventrolateral view. Scale bars: A 0.2 mm; B, I 0.02 mm; C, H 0.05 mm; D, F, G 5 µm; E 0.01 mm.
</paragraph>
</caption>
<subSubSection id="F7E335E3DF0E0876FF1F89EAFB97ED48" lastPageId="7" lastPageNumber="58" pageId="6" pageNumber="57" type="discussion">
<paragraph id="BF466668DF0E0877FF1F89EAFD2CEEF1" blockId="6.[151,1436,1734,2010]" pageId="6" pageNumber="57">
<emphasis id="8D8DBA7ADF0E0877FF1F89EAFEB0EF99" bold="true" box="[199,315,1734,1758]" pageId="6" pageNumber="57">Remarks.</emphasis>
Currently the family
<taxonomicName id="78F91DEBDF0E0877FDF689EAFD21EF99" box="[558,682,1734,1758]" class="Polychaeta" family="Paraonidae" kingdom="Animalia" pageId="6" pageNumber="57" phylum="Annelida" rank="family">Paraonidae</taxonomicName>
includes about 150 described species worldwide, of which only 17 species (including the new species described in this study) belong to the subgenus
<taxonomicName id="78F91DEBDF0E0877FB8889C6FA95EE45" authority="(Acmira)" baseAuthorityName="Acmira" box="[1104,1310,1770,1794]" class="Polychaeta" family="Paraonidae" genus="Aricidea" kingdom="Animalia" pageId="6" pageNumber="57" phylum="Annelida" rank="genus">
<emphasis id="8D8DBA7ADF0E0877FB8889C6FA95EE45" box="[1104,1310,1770,1794]" italics="true" pageId="6" pageNumber="57">Aricidea (Acmira)</emphasis>
</taxonomicName>
. The main characters used to distinguish the different species (see Table 1) are the length and shape of the median antenna and the features of modified neurochaetae (teeth, hood, distal arista and pubescence).
<taxonomicName id="78F91DEBDF0E0877FBF0881EFA89EE0D" box="[1064,1282,1842,1866]" class="Polychaeta" family="Paraonidae" genus="Aricidea" kingdom="Animalia" pageId="6" pageNumber="57" phylum="Annelida" rank="species" species="hirsuta" status="sp. nov." subGenus="Acmira">
<emphasis id="8D8DBA7ADF0E0877FBF0881EFA89EE0D" box="[1064,1282,1842,1866]" italics="true" pageId="6" pageNumber="57">A. (Acmira) hirsuta</emphasis>
</taxonomicName>
<taxonomicNameLabel id="96BE0701DF0E0877FAD2881FFACCEE0D" box="[1290,1351,1843,1866]" pageId="6" pageNumber="57" rank="species">n. sp.</taxonomicNameLabel>
, can be clearly distinguished from other members of this genus by the short median antenna, which reaches only to the posterior margin of the prostomium, and by the presence of curved unidentate spines with no arista or distal hood, but with dense distal and subdistal pubescence.
</paragraph>
<paragraph id="BF466668DF0E0876FF1F88EEFCF2E878" blockId="6.[151,1436,1734,2010]" lastBlockId="7.[151,1436,151,1221]" lastPageId="7" lastPageNumber="58" pageId="6" pageNumber="57">
The presence of a fine distal arista, distal or subdistal pubescence, and/or a distal or subdistal hood in modified neurochaetae is a common feature in this subgenus. Most of its members (13 species) have some or all of these diagnostic characters (Table 1). In fact,
<taxonomicName id="78F91DEBDF0F0876FD8D8F90FBAFE993" authority="Laubier and Ramos" authorityName="Laubier and Ramos" box="[597,1060,188,212]" class="Polychaeta" family="Paraonidae" genus="Acmira" higherTaxonomySource="CoL" kingdom="Animalia" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="simonae" subGenus="Acmira">
<emphasis id="8D8DBA7ADF0F0876FD8D8F90FCB5E993" box="[597,830,188,212]" italics="true" pageId="7" pageNumber="58">A. (Acmira) simonae</emphasis>
Laubier and Ramos
</taxonomicName>
, from the Eastern Mediterranean,
<taxonomicName id="78F91DEBDF0F0876FF4F8FCCFE35E9BF" authority="Day" authorityName="Day" box="[151,446,224,248]" class="Polychaeta" family="Paraonidae" genus="Acmira" higherTaxonomySource="CoL" kingdom="Animalia" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="simplex" subGenus="Acmira">
<emphasis id="8D8DBA7ADF0F0876FF4F8FCCFE09E9BF" box="[151,386,224,248]" italics="true" pageId="7" pageNumber="58">A. (Acmira) simplex</emphasis>
Day
</taxonomicName>
, widely distributed in the world seas,
<taxonomicName id="78F91DEBDF0F0876FC528FCCFE98E85B" authority="Hartmann-Schroder and Rosenfeldt" authorityName="Hartmann-Schroder and Rosenfeldt" class="Polychaeta" family="Paraonidae" genus="Acmira" higherTaxonomySource="CoL" kingdom="Animalia" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="strelzovi" subGenus="Acmira">
<emphasis id="8D8DBA7ADF0F0876FC528FCCFBF6E9BF" box="[906,1149,224,248]" italics="true" pageId="7" pageNumber="58">A. (Acmira) strelzovi</emphasis>
Hartmann-Schröder and Rosenfeldt
</taxonomicName>
, from
<collectingCountry id="C7EE26F8DF0F0876FE838E28FE58E85B" box="[347,467,260,284]" name="Antarctica" pageId="7" pageNumber="58">Antarctica</collectingCountry>
, and
<taxonomicName id="78F91DEBDF0F0876FDD58E28FCEAE85B" authority="Imajima" authorityName="Imajima" box="[525,865,260,284]" class="Polychaeta" family="Paraonidae" genus="Acmira" higherTaxonomySource="CoL" kingdom="Animalia" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="trilobata" subGenus="Acmira">
<emphasis id="8D8DBA7ADF0F0876FDD58E28FD71E85B" box="[525,762,260,284]" italics="true" pageId="7" pageNumber="58">A. (Acmira) trilobata</emphasis>
Imajima
</taxonomicName>
, from
<collectingCountry id="C7EE26F8DF0F0876FC718E29FC67E85B" box="[937,1004,261,284]" name="Japan" pageId="7" pageNumber="58">Japan</collectingCountry>
, are the only species with no hood and with curved spines entirely lacking a distal arista and pubescence.
</paragraph>
<paragraph id="BF466668DF0F0876FF1F8E60FB97ED48" blockId="7.[151,1436,151,1221]" pageId="7" pageNumber="58">
Pubescence in modified chaetae is a feature less common in the subgenus; even so, in half of the described species, spines with distal or subdistal filaments of different size are present. Particularly, among the species with spines bearing pubescence but with no hood,
<taxonomicName id="78F91DEBDF0F0876FD4E8EB8FCBDE8EB" box="[662,822,404,428]" class="Polychaeta" family="Paraonidae" genus="Aricidea" kingdom="Animalia" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="hirsuta" status="sp. nov." subGenus="Acmira">
<emphasis id="8D8DBA7ADF0F0876FD4E8EB8FCBDE8EB" box="[662,822,404,428]" italics="true" pageId="7" pageNumber="58">A. (A.) hirsuta</emphasis>
</taxonomicName>
<taxonomicNameLabel id="96BE0701DF0F0876FCE68EB9FCF7E8EB" box="[830,892,405,428]" pageId="7" pageNumber="58" rank="species">n. sp.</taxonomicNameLabel>
, can be considered close to
<taxonomicName id="78F91DEBDF0F0876FB6F8EB8FF7EE888" authority="Strelzov" authorityName="Strelzov" class="Polychaeta" family="Paraonidae" genus="Acmira" higherTaxonomySource="CoL" kingdom="Animalia" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="mirifica" subGenus="Acmira">
<emphasis id="8D8DBA7ADF0F0876FB6F8EB8FA17E8EB" box="[1207,1436,404,428]" italics="true" pageId="7" pageNumber="58">A. (Acmira) mirifica</emphasis>
Strelzov
</taxonomicName>
, from the
<collectingCountry id="C7EE26F8DF0F0876FEA98E9BFE57E888" box="[369,476,439,463]" name="Antarctica" pageId="7" pageNumber="58">Antarctic</collectingCountry>
, New
<collectingCountry id="C7EE26F8DF0F0876FDF38E9BFDF7E888" box="[555,636,439,463]" name="Guinea-Bissau" pageId="7" pageNumber="58">Guinea</collectingCountry>
and Southern California,
<taxonomicName id="78F91DEBDF0F0876FC748E94FB52E888" authority="Imajima" authorityName="Imajima" box="[940,1241,439,464]" class="Polychaeta" family="Paraonidae" genus="Acmira" higherTaxonomySource="CoL" kingdom="Animalia" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="horikoshi" subGenus="Acmira">
<emphasis id="8D8DBA7ADF0F0876FC748E94FBE6E897" box="[940,1133,440,464]" italics="true" pageId="7" pageNumber="58">A. (A.) horikoshi</emphasis>
Imajima
</taxonomicName>
, from
<collectingCountry id="C7EE26F8DF0F0876FAF18E94FAE2E888" box="[1321,1385,440,463]" name="Japan" pageId="7" pageNumber="58">Japan</collectingCountry>
and California, and
<taxonomicName id="78F91DEBDF0F0876FE968EF0FD0BE8B3" authority="Laubier" authorityName="Laubier" box="[334,640,476,500]" class="Polychaeta" family="Paraonidae" genus="Acmira" higherTaxonomySource="CoL" kingdom="Animalia" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="catherinae" subGenus="Acmira">
<emphasis id="8D8DBA7ADF0F0876FE968EF0FD95E8B3" box="[334,542,476,500]" italics="true" pageId="7" pageNumber="58">A. (A.) catherinae</emphasis>
Laubier
</taxonomicName>
and
<taxonomicName id="78F91DEBDF0F0876FD678EF0FC53E8B3" authority="Strelzov" authorityName="Strelzov" box="[703,984,476,500]" class="Polychaeta" family="Paraonidae" genus="Acmira" higherTaxonomySource="CoL" kingdom="Animalia" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="finitima" subGenus="Acmira">
<emphasis id="8D8DBA7ADF0F0876FD678EF0FCE5E8B3" box="[703,878,476,500]" italics="true" pageId="7" pageNumber="58">A. (A.) finitima</emphasis>
Strelzov
</taxonomicName>
, widely distributed in the Atlantic and Pacific Oceans, since they all have neuropodial spines with numerous fine filaments around the apex. But
<taxonomicName id="78F91DEBDF0F0876FA898D2CFF6DEB7B" class="Polychaeta" family="Paraonidae" genus="Aricidea" kingdom="Animalia" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="hirsuta" status="sp. nov." subGenus="Acmira">
<emphasis id="8D8DBA7ADF0F0876FA898D2CFF6DEB7B" italics="true" pageId="7" pageNumber="58">A. (A.) hirsuta</emphasis>
</taxonomicName>
<taxonomicNameLabel id="96BE0701DF0F0876FF288D09FEBBEB7B" box="[240,304,549,572]" pageId="7" pageNumber="58" rank="species">n. sp.</taxonomicNameLabel>
, is distinguished from
<taxonomicName id="78F91DEBDF0F0876FDE28D08FCA9EB7B" box="[570,802,548,572]" class="Polychaeta" family="Paraonidae" genus="Acmira" higherTaxonomySource="CoL" kingdom="Animalia" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="mirifica" subGenus="Acmira">
<emphasis id="8D8DBA7ADF0F0876FDE28D08FCA9EB7B" box="[570,802,548,572]" italics="true" pageId="7" pageNumber="58">A. (Acmira) mirifica</emphasis>
</taxonomicName>
because the latter bears spines sometimes with a short distal arista and its median antenna is very long (reaching down to chaetiger 6); nevertheless, the irregular distribution found in
<taxonomicName id="78F91DEBDF0F0876FE528D40FDF8EBC3" box="[394,627,620,644]" class="Polychaeta" family="Paraonidae" genus="Acmira" higherTaxonomySource="CoL" kingdom="Animalia" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="mirifica" subGenus="Acmira">
<emphasis id="8D8DBA7ADF0F0876FE528D40FDF8EBC3" box="[394,627,620,644]" italics="true" pageId="7" pageNumber="58">A. (Acmira) mirifica</emphasis>
</taxonomicName>
could suggest that its records belong to a group of species rather than only to one. Besides the presence of modified chaetae starting on posterior chaetigers (2733) and the fact that it has a narrow sheath in the convex side,
<taxonomicName id="78F91DEBDF0F0876FD8A8D98FC87EB8B" box="[594,780,692,716]" class="Polychaeta" family="Paraonidae" genus="Acmira" higherTaxonomySource="CoL" kingdom="Animalia" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="horikoshi" subGenus="Acmira">
<emphasis id="8D8DBA7ADF0F0876FD8A8D98FC87EB8B" box="[594,780,692,716]" italics="true" pageId="7" pageNumber="58">A. (A.) horikoshi</emphasis>
</taxonomicName>
differs from
<taxonomicName id="78F91DEBDF0F0876FC478D98FBB5EB8B" box="[927,1086,692,716]" class="Polychaeta" family="Paraonidae" genus="Aricidea" kingdom="Animalia" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="hirsuta" subGenus="Acmira">
<emphasis id="8D8DBA7ADF0F0876FC478D98FBB5EB8B" box="[927,1086,692,716]" italics="true" pageId="7" pageNumber="58">A. (A.) hirsuta</emphasis>
</taxonomicName>
n. sp,. in having long cirriform antennae (reaching down to chaetigers 45) and a large number of branchiae (30 pairs). On the other hand, in the modified chaetae of
<taxonomicName id="78F91DEBDF0F0876FEA68DD0FDC3EA53" box="[382,584,764,788]" class="Polychaeta" family="Paraonidae" genus="Acmira" higherTaxonomySource="CoL" kingdom="Animalia" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="catherinae" subGenus="Acmira">
<emphasis id="8D8DBA7ADF0F0876FEA68DD0FDC3EA53" box="[382,584,764,788]" italics="true" pageId="7" pageNumber="58">A. (A.) catherinae</emphasis>
</taxonomicName>
and
<taxonomicName id="78F91DEBDF0F0876FDA78DD0FCA3EA53" box="[639,808,764,788]" class="Polychaeta" family="Paraonidae" genus="Acmira" higherTaxonomySource="CoL" kingdom="Animalia" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="finitima" subGenus="Acmira">
<emphasis id="8D8DBA7ADF0F0876FDA78DD0FCA3EA53" box="[639,808,764,788]" italics="true" pageId="7" pageNumber="58">A. (A.) finitima</emphasis>
</taxonomicName>
, distal pubescence is also present, but they also bear an arista distally attached to the shaft. These distal aristae may be lost easily, and therefore difficult to detect (
<bibRefCitation id="DB681B99DF0F0876FA938C33FF58EA1B" author="Gaston" pageId="7" pageNumber="58" refString="Gaston, G. R. (1984) Family Paraonidae, Cerruti, 1909. In: Uebelacker, J. M. &amp; Johnson, P. G. (Eds.), Taxonomic Guide to the Polychaetes of the Northern Gulf of Mexico. Vol. I. Chapter 2. Final Report to the Minerals Management Service, contract 14 - 12 - 001 - 29091. Barry A. Vittor &amp; Associates, Inc., Mobile, Alabama, pp. 2.1 - 2.53." type="book chapter" year="1984">Gaston 1984</bibRefCitation>
;
<bibRefCitation id="DB681B99DF0F0876FF398C68FE4EEA1B" author="Montiel" box="[225,453,836,860]" pageId="7" pageNumber="58" refString="Montiel, A., Hilbig, B. &amp; Rozbaczylo, N. (2002) New records to Chile of the Family Paraonidae (Annelida: Polychaeta). Helgolander Meeresuntersuchungen, 56, 134 - 139. http: // dx. doi. org / 10.1007 / s 10152 - 002 - 0103 - 5" type="journal article" year="2002">
Montiel
<emphasis id="8D8DBA7ADF0F0876FE9C8C69FEF3EA1B" box="[324,376,836,860]" italics="true" pageId="7" pageNumber="58">et al</emphasis>
. 2002
</bibRefCitation>
), which could be confused for the modified chaetae present in
<taxonomicName id="78F91DEBDF0F0876FB7C8C68FAC7EA1B" box="[1188,1356,836,860]" class="Polychaeta" family="Paraonidae" genus="Aricidea" kingdom="Animalia" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="hirsuta" status="sp. nov." subGenus="Acmira">
<emphasis id="8D8DBA7ADF0F0876FB7C8C68FAC7EA1B" box="[1188,1356,836,860]" italics="true" pageId="7" pageNumber="58">A. (A.) hirsuta</emphasis>
</taxonomicName>
<taxonomicNameLabel id="96BE0701DF0F0876FA8D8C69FA1DEA1B" box="[1365,1430,837,860]" pageId="7" pageNumber="58" rank="species">n. sp.</taxonomicNameLabel>
; however, it is clear that the spines in the new species entirely lack the distal arista or sheath. Besides, in
<taxonomicName id="78F91DEBDF0F0876FA888C44FE84EAE3" class="Polychaeta" family="Paraonidae" genus="Acmira" higherTaxonomySource="CoL" kingdom="Animalia" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="catherinae" subGenus="Acmira">
<emphasis id="8D8DBA7ADF0F0876FA888C44FE84EAE3" italics="true" pageId="7" pageNumber="58">A. (A.) catherinae</emphasis>
</taxonomicName>
the median antenna is proximally inflate, tapering to a blunt end, similar in shape to
<taxonomicName id="78F91DEBDF0F0876FB048CA0FAF5EAE3" box="[1244,1406,908,932]" class="Polychaeta" family="Paraonidae" genus="Aricidea" kingdom="Animalia" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="hirsuta" status="sp. nov." subGenus="Acmira">
<emphasis id="8D8DBA7ADF0F0876FB048CA0FAF5EAE3" box="[1244,1406,908,932]" italics="true" pageId="7" pageNumber="58">A. (A.) hirsuta</emphasis>
</taxonomicName>
<taxonomicNameLabel id="96BE0701DF0F0876FA5F8CA1FF32EA8F" pageId="7" pageNumber="58" rank="species">n. sp.</taxonomicNameLabel>
, but longer (reaching to chaetigers 13), and its modified chaetae also bear a weakly expanded sheath. Finally,
<taxonomicName id="78F91DEBDF0F0876FF4F8CF8FEDBEAAB" box="[151,336,980,1004]" class="Polychaeta" family="Paraonidae" genus="Acmira" higherTaxonomySource="CoL" kingdom="Animalia" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="finitima" subGenus="Acmira">
<emphasis id="8D8DBA7ADF0F0876FF4F8CF8FEDBEAAB" box="[151,336,980,1004]" italics="true" pageId="7" pageNumber="58">A. (A.) finitima</emphasis>
</taxonomicName>
can also be distinguished from the new species, because it bears dorsal papillae on the branchiferous segments, and its median antenna reaches down to chaetigers 13.
</paragraph>
</subSubSection>
<subSubSection id="F7E335E3DF0F0876FF1F8B30FEBAEDE7" pageId="7" pageNumber="58" type="etymology">
<paragraph id="BF466668DF0F0876FF1F8B30FB3CED10" blockId="7.[151,1436,151,1221]" pageId="7" pageNumber="58">
<emphasis id="8D8DBA7ADF0F0876FF1F8B30FEC5ED73" bold="true" box="[199,334,1052,1076]" pageId="7" pageNumber="58">Etymology.</emphasis>
<taxonomicName id="78F91DEBDF0F0876FE828B30FD03ED73" box="[346,648,1052,1076]" class="Polychaeta" family="Paraonidae" genus="Aricidea" kingdom="Animalia" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="hirsuta" subGenus="Acmira">
<emphasis id="8D8DBA7ADF0F0876FE828B30FD03ED73" box="[346,648,1052,1076]" italics="true" pageId="7" pageNumber="58">Aricidea (Acmira) hirsuta</emphasis>
</taxonomicName>
is named for its particular traits linked to the presence of curved unidentate spines with no arista or distal hood, but with dense distal and subdistal pubescence.
</paragraph>
<paragraph id="BF466668DF0F0876FF1F8B4FFEBAEDE7" blockId="7.[151,1436,151,1221]" pageId="7" pageNumber="58">
<emphasis id="8D8DBA7ADF0F0876FF1F8B4FFEA1ED3B" bold="true" box="[199,298,1123,1148]" pageId="7" pageNumber="58">Habitat.</emphasis>
In mud and fine sands, depth
<quantity id="7801CB8DDF0F0876FD5C8B48FD70ED3B" box="[644,763,1124,1148]" metricMagnitude="0" metricUnit="m" metricValue="3.3" metricValueMax="4.0" metricValueMin="2.6" pageId="7" pageNumber="58" unit="m" value="3.3" valueMax="4.0" valueMin="2.6">2.6 to 4 m</quantity>
, temperature 27.20 to 28.09°C, salinity 33.93 to 35.84 psu,
<collectingCountry id="C7EE26F8DF0F0876FF4F8BA5FF32EDE7" box="[151,185,1161,1184]" name="Philippines" pageId="7" pageNumber="58">pH</collectingCountry>
8.2 to 9.2.
</paragraph>
</subSubSection>
<subSubSection id="F7E335E3DF0F0876FF1F8B87FB49ED83" box="[199,1218,1195,1221]" pageId="7" pageNumber="58" type="distribution">
<paragraph id="BF466668DF0F0876FF1F8B87FB49ED83" blockId="7.[151,1436,151,1221]" box="[199,1218,1195,1221]" pageId="7" pageNumber="58">
<emphasis id="8D8DBA7ADF0F0876FF1F8B87FEEBED83" bold="true" box="[199,352,1195,1220]" pageId="7" pageNumber="58">Distribution.</emphasis>
Central and southern regions of Términos Lagoon, southern Gulf of
<collectingCountry id="C7EE26F8DF0F0876FBBD8B80FB35ED83" box="[1125,1214,1196,1220]" name="Mexico" pageId="7" pageNumber="58">Mexico</collectingCountry>
.
</paragraph>
</subSubSection>
</treatment>
</document>