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<document id="729B2D8739E8AC145BFDDAEF551C2979" ID-DOI="10.3853/j.0067-1975.58.2006.1469" ID-ISSN="2201-4349" ID-Zenodo-Dep="4685692" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1618342738327" checkinUser="carolina" docAuthor="Keable, Stephen J." docDate="2006" docId="8A0EDF188C676052FF31899AFA3BF91A" docLanguage="en" docName="RecAustMus.58.2.133-244.pdf" docOrigin="Records of the Australian Museum 58 (2)" docSource="https://journals.australian.museum/keable-2006-rec-aust-mus-582-133244/" docStyle="DocumentStyle:7863F7301B7BEE922F541F6F9B5AEEC6.2:RecAustMus.2008-2018.journal_article.0cover" docStyleId="7863F7301B7BEE922F541F6F9B5AEEC6" docStyleName="RecAustMus.2008-2018.journal_article.0cover" docStyleVersion="2" docTitle="Natatolana gracilis" docType="treatment" docVersion="4" lastPageNumber="182" masterDocId="7637A7608C566063FFD48F2BFFB5FF90" masterDocTitle="Taxonomic Revision of Natatolana (Crustacea: Isopoda: Cirolanidae)" masterLastPageNumber="244" masterPageNumber="133" pageNumber="182" updateTime="1698905545581" updateUser="plazi" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
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<mods:titleInfo id="61812624D8460AB81C780CAC03D33F5C">
<mods:title id="5E2C60DEB42D2E8FFFA122C58D5B101E">Taxonomic Revision of Natatolana (Crustacea: Isopoda: Cirolanidae)</mods:title>
</mods:titleInfo>
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<mods:namePart id="4CFAA4B88758AADDB857BF63D92AFB15">Keable, Stephen J.</mods:namePart>
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<mods:title id="495640FBB1E3051959A2A916E1AB1692">Records of the Australian Museum</mods:title>
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<mods:part id="ECE58F4C229700ADDDF970D14DF86F75">
<mods:date id="78D980EBB08473831EC7A8AE6A96A2A6">2006</mods:date>
<mods:detail id="F004B9169F04BE4A2BAC482EAA65FFCA" type="pubDate">
<mods:number id="79F904C0C5298945FEE7645C1A54506C">2006-06-14</mods:number>
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<mods:number id="D36B71ADB4364D3B52DA8614EAAEEF72">58</mods:number>
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<mods:identifier id="281CB037D74D7149B2EE37CF515C7179" type="DOI">10.3853/j.0067-1975.58.2006.1469</mods:identifier>
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<treatment id="8A0EDF188C676052FF31899AFA3BF91A" ID-DOI="http://doi.org/10.5281/zenodo.4685527" ID-Zenodo-Dep="4685527" LSID="urn:lsid:plazi:treatment:8A0EDF188C676052FF31899AFA3BF91A" httpUri="http://treatment.plazi.org/id/8A0EDF188C676052FF31899AFA3BF91A" lastPageNumber="182" pageId="49" pageNumber="182">
<subSubSection id="4ABD3D858C676052FF31899AFD26F962" pageId="49" pageNumber="182" type="nomenclature">
<paragraph id="02186E0E8C676052FF31899AFD35F958" blockId="49.[229,640,1712,1737]" box="[229,640,1712,1737]" pageId="49" pageNumber="182">
<heading id="5950D9628C676052FF31899AFD35F958" box="[229,640,1712,1737]" centered="true" fontSize="11" level="2" pageId="49" pageNumber="182" reason="2">
<taxonomicName id="C5A7158D8C676052FF31899AFD35F958" ID-CoL="45TC9" authority="(Hansen, 1890)" baseAuthorityName="Hansen" baseAuthorityYear="1890" box="[229,640,1712,1737]" class="Malacostraca" family="Cirolanidae" genus="Natatolana" kingdom="Animalia" order="Isopoda" pageId="49" pageNumber="182" phylum="Arthropoda" rank="species" species="gracilis">
<emphasis id="30D3B21C8C676052FF31899AFD35F958" bold="true" box="[229,640,1712,1737]" pageId="49" pageNumber="182">
<emphasis id="30D3B21C8C676052FF31899AFE71F959" bold="true" box="[229,452,1713,1737]" italics="true" pageId="49" pageNumber="182">Natatolana gracilis</emphasis>
(
<bibRefCitation id="663613FF8C676052FE00899BFDCDF958" author="Hansen, H" box="[468,632,1712,1736]" pageId="49" pageNumber="182" pagination="237 - 426" refId="ref84555" refString="Hansen, H. J., 1890. Cirolanidae et familiae nonnulae propinquae Musaei Hauniensis. Det Kongelige Danske Videnskabernes Selskabs Skrifter, Naturvidenskabelig og Mathematisk Afdeling 6 (3): 237 - 426." type="journal article" year="1890">Hansen, 1890</bibRefCitation>
)
</emphasis>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="02186E0E8C676052FFAD89F6FD26F962" blockId="49.[121,659,1757,1778]" box="[121,659,1757,1778]" pageId="49" pageNumber="182">Synonymy in Keable &amp; Bruce, 1997: 682, figs. 1112.</paragraph>
</subSubSection>
<subSubSection id="4ABD3D858C676052FFAD882CFE83F819" pageId="49" pageNumber="182" type="materials_examined">
<paragraph id="02186E0E8C676052FFAD882CFE83F819" blockId="49.[121,749,1799,1929]" pageId="49" pageNumber="182">
<emphasis id="30D3B21C8C676052FFAD882CFE85F88F" bold="true" box="[121,304,1799,1823]" pageId="49" pageNumber="182">Type material</emphasis>
.
<materialsCitation id="B2CF64538C676052FE918822FE83F819" collectionCode="ZMUC" country="Virgin Islands" latitude="18.333334" location="St Thomas" longLatPrecision="1275" longitude="-64.916664" pageId="49" pageNumber="182" specimenCode="CRU152" specimenCount="1" typeStatus="holotype">
<typeStatus id="DD1CD0AC8C676052FE918822FE1AF88E" box="[325,431,1801,1822]" pageId="49" pageNumber="182" type="holotype">Holotype</typeStatus>
: 3, 8 mm,
<collectionCode id="64B6F6CB8C676052FDED8822FD36F88E" box="[569,643,1801,1822]" country="Denmark" httpUri="http://grbio.org/cool/mci8-ehqk" name="Zoological Museum, University of Copenhagen" pageId="49" pageNumber="182">ZMUC</collectionCode>
<specimenCode id="5201C6758C676052FD448822FD58F88E" box="[656,749,1801,1822]" collectionCode="ZMUC" country="Denmark" httpUri="http://grbio.org/cool/mci8-ehqk" name="Zoological Museum, University of Copenhagen" pageId="49" pageNumber="182">CRU152</specimenCode>
(examined). Type locality: the only type specimen was without location data but
<bibRefCitation id="663613FF8C676052FEF88814FE75F8C4" author="Hansen, H" box="[300,448,1855,1876]" pageId="49" pageNumber="182" pagination="237 - 426" refId="ref84555" refString="Hansen, H. J., 1890. Cirolanidae et familiae nonnulae propinquae Musaei Hauniensis. Det Kongelige Danske Videnskabernes Selskabs Skrifter, Naturvidenskabelig og Mathematisk Afdeling 6 (3): 237 - 426." type="journal article" year="1890">Hansen (1890)</bibRefCitation>
indicates that there is a high probability that it was collected at
<collectingCountry id="7AB02E9E8C676052FE1A8871FD8FF8FF" box="[462,570,1882,1903]" name="Virgin Islands" pageId="49" pageNumber="182">St Thomas</collectingCountry>
,
<collectingCountry id="7AB02E9E8C676052FD978871FD79F8FF" box="[579,716,1882,1903]" name="Virgin Islands" pageId="49" pageNumber="182">Virgin Islands</collectingCountry>
[c.
<geoCoordinate id="679308C98C676052FFAD885FFF7FF819" box="[121,202,1908,1929]" degrees="18" direction="north" minutes="20" orientation="latitude" pageId="49" pageNumber="182" precision="925" value="18.333334">18°20'N</geoCoordinate>
<geoCoordinate id="679308C98C676052FF06885FFE98F819" box="[210,301,1908,1929]" degrees="64" direction="west" minutes="55" orientation="longitude" pageId="49" pageNumber="182" precision="925" value="-64.916664">64°55'W</geoCoordinate>
].
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="4ABD3D858C676052FFAD88B5FA98FAB9" pageId="49" pageNumber="182" type="diagnosis">
<paragraph id="02186E0E8C676052FFAD88B5FBBAFBAE" blockId="49.[121,749,1950,2002]" lastBlockId="49.[794,1422,153,1086]" pageId="49" pageNumber="182">
<emphasis id="30D3B21C8C676052FFAD88B5FF5DF826" bold="true" box="[121,232,1950,1974]" pageId="49" pageNumber="182">Diagnosis</emphasis>
.
<emphasis id="30D3B21C8C676052FF2088B5FE92F825" box="[244,295,1950,1973]" italics="true" pageId="49" pageNumber="182">Eyes</emphasis>
: well developed (
<bibRefCitation id="663613FF8C676052FE3788B5FD36F825" author="Hansen, H" box="[483,643,1950,1973]" pageId="49" pageNumber="182" pagination="237 - 426" refId="ref84555" refString="Hansen, H. J., 1890. Cirolanidae et familiae nonnulae propinquae Musaei Hauniensis. Det Kongelige Danske Videnskabernes Selskabs Skrifter, Naturvidenskabelig og Mathematisk Afdeling 6 (3): 237 - 426." type="journal article" year="1890">Hansen (1890)</bibRefCitation>
describes the eyes as large with a few large ommatidia, these have faded in the
<typeStatus id="DD1CD0AC8C676052FC628FB2FBAEFF20" box="[950,1051,153,176]" pageId="49" pageNumber="182" type="holotype">holotype</typeStatus>
and are now barely apparent).
<emphasis id="30D3B21C8C676052FCCE8F9CFC54FF5E" box="[794,993,183,206]" italics="true" pageId="49" pageNumber="182">Interocular furrow</emphasis>
: absent.
<emphasis id="30D3B21C8C676052FB948F9CFB55FF5E" box="[1088,1248,183,206]" italics="true" pageId="49" pageNumber="182">Frontal lamina</emphasis>
: lateral margins concave but not medially constricted, narrowing toward apex.
<emphasis id="30D3B21C8C676052FC898FDAFC02FE98" box="[861,951,241,264]" italics="true" pageId="49" pageNumber="182">Antenna</emphasis>
: c. 0.40.5× as long as body, reaching to posterior of pereonite 4.
<emphasis id="30D3B21C8C676052FBF08E24FB1EFEB6" box="[1060,1195,271,294]" italics="true" pageId="49" pageNumber="182">Coxal plates</emphasis>
: furrows moderately developed, on all coxae.
<emphasis id="30D3B21C8C676052FBF78E07FB25FED3" box="[1059,1168,300,323]" italics="true" pageId="49" pageNumber="182">Pleonite 4</emphasis>
: apex slightly rounded.
<emphasis id="30D3B21C8C676052FCCE8E62FC39FEF0" box="[794,908,329,352]" italics="true" pageId="49" pageNumber="182">Pleotelson</emphasis>
: broad, length 0.87× basal width; anterodorsal depression absent (although the anterior margin is thickened, and there is a smooth curve to a depression, this is not equivalent to the distinct and abrupt depression found in species such as
<taxonomicName id="C5A7158D8C676052FC168E94FBF1FE46" baseAuthorityName="Tattersall" baseAuthorityYear="1921" box="[962,1092,447,470]" class="Malacostraca" family="Cirolanidae" genus="Natatolana" kingdom="Animalia" order="Isopoda" pageId="49" pageNumber="182" phylum="Arthropoda" rank="species" species="pellucida">
<emphasis id="30D3B21C8C676052FC168E94FBF1FE46" box="[962,1092,447,470]" italics="true" pageId="49" pageNumber="182">N. pellucida</emphasis>
</taxonomicName>
); anterolateral margins almost straight and angling posteriorly toward the midline; posterolateral margins straight, markedly angled to anterolateral margins and meeting at an obtuse angle; apex produced into a small point; with 78 RS.
<emphasis id="30D3B21C8C676052FAD38D1FFA30FDDB" box="[1287,1413,564,587]" italics="true" pageId="49" pageNumber="182">Pereopod 2</emphasis>
: propodus with 4 RS on palm (illustrated by
<bibRefCitation id="663613FF8C676052FB3D8D7AFA3CFDF8" author="Hansen, H" box="[1257,1417,593,616]" pageId="49" pageNumber="182" pagination="237 - 426" refId="ref84555" refString="Hansen, H. J., 1890. Cirolanidae et familiae nonnulae propinquae Musaei Hauniensis. Det Kongelige Danske Videnskabernes Selskabs Skrifter, Naturvidenskabelig og Mathematisk Afdeling 6 (3): 237 - 426." type="journal article" year="1890">Hansen (1890)</bibRefCitation>
, pereopod 2 propodus now missing from
<typeStatus id="DD1CD0AC8C676052FAC78D44FA34FD16" box="[1299,1409,623,646]" pageId="49" pageNumber="182" type="holotype">holotype</typeStatus>
).
<emphasis id="30D3B21C8C676052FCCE8DA7FC24FD33" box="[794,913,652,675]" italics="true" pageId="49" pageNumber="182">Pereopod 3</emphasis>
: propodus with 3 RS on palm.
<emphasis id="30D3B21C8C676052FB008DA7FAFEFD33" box="[1236,1355,652,675]" italics="true" pageId="49" pageNumber="182">Pereopod 7</emphasis>
: basis narrow, width 0.38× length; distance between anterior margin and medial carina less than between posterior margin and medial carina; posterior margin with setae completely absent along entire length.
<emphasis id="30D3B21C8C676052FB898C2AFB28FC88" box="[1117,1181,769,792]" italics="true" pageId="49" pageNumber="182">Penes</emphasis>
: unknown (the only specimen that can be identified with certainty is damaged and fragile, there appear to be 2 flattened lobes present, these may be penes but because of the fragile nature of the specimen these could not be examined closely enough to conclude that they were penes).
<emphasis id="30D3B21C8C676052FB758CBFFC3CFC58" italics="true" pageId="49" pageNumber="182">Pleopod 2 appendix masculina</emphasis>
: extending beyond tip of endopod, 1.07× length of endopod; margins very strongly curved laterally; slender; apex not at angle to adjacent margins, bluntly rounded.
<emphasis id="30D3B21C8C676052FCCE8B22FCC2FBB0" box="[794,887,1033,1056]" italics="true" pageId="49" pageNumber="182">Uropods</emphasis>
: exopod slightly shorter than endopod, 0.8× the length of the endopod.
</paragraph>
<paragraph id="02186E0E8C676052FCCE8B78FA32FB6D" blockId="49.[794,1421,1107,1277]" pageId="49" pageNumber="182">
<emphasis id="30D3B21C8C676052FCCE8B78FBB0FBFB" bold="true" box="[794,1029,1107,1131]" pageId="49" pageNumber="182">Sexual dimorphism</emphasis>
. Based on the record of
<bibRefCitation id="663613FF8C676052FAFB8B78FCD1FB17" author="Koening, M" pageId="49" pageNumber="182" pagination="237 - 244" refId="ref86195" refString="Koening, M. L., 1972. Nota sobre ocorrencia de alguns isopodos no norte e nordeste do Brasil. Trabahlos Oceanografia da Universidade Federale Pernambuco, Recife 13: 237 - 244." type="journal article" year="1972">Koening (1972)</bibRefCitation>
, females apparently differ from males only in the primary sexual characters and do not have the pleopod 2 appendix masculina. The possibility of further sexual dimorphism, however, is uncertain until samples from the
<typeStatus id="DD1CD0AC8C676052FCCE8BCDFCFDFB6D" box="[794,840,1254,1277]" pageId="49" pageNumber="182">type</typeStatus>
locality, containing both sexes, have been examined.
</paragraph>
<paragraph id="02186E0E8C676052FCCE8A39FA98FAB9" blockId="49.[794,1325,1298,1322]" box="[794,1325,1298,1322]" pageId="49" pageNumber="182">
<emphasis id="30D3B21C8C676052FCCE8A39FCFDFABA" bold="true" box="[794,840,1298,1322]" pageId="49" pageNumber="182">Size</emphasis>
. Only measured specimen reported is
<quantity id="C55FC3EB8C676052FB3C8A39FA9CFAB9" box="[1256,1321,1298,1321]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" pageId="49" pageNumber="182" unit="mm" value="8.0">8 mm</quantity>
.
</paragraph>
</subSubSection>
<subSubSection id="4ABD3D858C676052FCCE8A15FA80F995" pageId="49" pageNumber="182" type="discussion">
<paragraph id="02186E0E8C676052FCCE8A15FA80F995" blockId="49.[794,1421,1342,1541]" pageId="49" pageNumber="182">
<emphasis id="30D3B21C8C676052FCCE8A15FC33FAC6" bold="true" box="[794,902,1342,1366]" pageId="49" pageNumber="182">Remarks</emphasis>
. The most distinctive feature of
<taxonomicName id="C5A7158D8C676052FADA8A15FCD9FAE3" baseAuthorityName="Hansen" baseAuthorityYear="1890" class="Malacostraca" family="Cirolanidae" genus="Natatolana" kingdom="Animalia" order="Isopoda" pageId="49" pageNumber="182" phylum="Arthropoda" rank="species" species="gracilis">
<emphasis id="30D3B21C8C676052FADA8A15FCD9FAE3" italics="true" pageId="49" pageNumber="182">Natatolana gracilis</emphasis>
</taxonomicName>
is the shape of the male appendix masculina. The
<typeStatus id="DD1CD0AC8C676052FCCE8A52FCCDFA00" box="[794,888,1401,1424]" pageId="49" pageNumber="182" type="holotype">holotype</typeStatus>
is the only male specimen that has been reported and is, therefore, the only specimen that can be attributed to the species with certainty. Further specimens from the vicinity of the type locality are needed in order to expand upon the redescription of Keable &amp; Bruce (1997).
</paragraph>
</subSubSection>
<subSubSection id="4ABD3D858C676052FCCE8931FA3BF91A" pageId="49" pageNumber="182" type="distribution">
<paragraph id="02186E0E8C676052FCCE8931FA3BF91A" blockId="49.[794,1422,1562,1674]" pageId="49" pageNumber="182">
<emphasis id="30D3B21C8C676052FCCE8931FC13F9A2" bold="true" box="[794,934,1562,1586]" pageId="49" pageNumber="182">Distribution</emphasis>
. The
<typeStatus id="DD1CD0AC8C676052FC358930FBBAF9A2" box="[993,1039,1563,1586]" pageId="49" pageNumber="182">type</typeStatus>
locality is uncertain but is probably
<collectingCountry id="7AB02E9E8C676052FCCE8913FC39F9DF" box="[794,908,1592,1615]" name="Virgin Islands" pageId="49" pageNumber="182">St Thomas</collectingCountry>
,
<collectingCountry id="7AB02E9E8C676052FC428913FBEAF9DF" box="[918,1119,1592,1615]" name="United States Virgin Islands" pageId="49" pageNumber="182">U.S. Virgin Islands</collectingCountry>
. Also reported from northern
<collectingCountry id="7AB02E9E8C676052FCCE897DFCE9F9FD" box="[794,860,1622,1645]" name="Brazil" pageId="49" pageNumber="182">Brazil</collectingCountry>
at depths of
<quantity id="C55FC3EB8C676052FC25897DFBF1F9FD" box="[1009,1092,1622,1645]" metricMagnitude="1" metricUnit="m" metricValue="4.6" metricValueMax="8.5" metricValueMin="0.7" pageId="49" pageNumber="182" unit="m" value="46.0" valueMax="85.0" valueMin="7.0">785 m</quantity>
(
<bibRefCitation id="663613FF8C676052FB81897DFB4EF9FD" author="Koening, M" box="[1109,1275,1622,1645]" pageId="49" pageNumber="182" pagination="237 - 244" refId="ref86195" refString="Koening, M. L., 1972. Nota sobre ocorrencia de alguns isopodos no norte e nordeste do Brasil. Trabahlos Oceanografia da Universidade Federale Pernambuco, Recife 13: 237 - 244." type="journal article" year="1972">Koening, 1972</bibRefCitation>
;
<bibRefCitation id="663613FF8C676052FADC897DFCE4F91A" author="Pires-Vanin, A" pageId="49" pageNumber="182" pagination="605 - 624" refId="ref87426" refString="Pires-Vanin, A. - M. S., 1998. Malacostraca - Peracarida. Marine Isopoda. Anthuridea, Asellota (pars), Flabellifera (pars), and Valvifera. In Catalogue of Crustacea of Brazil, ed. P. S. Young, vol. 6, pp. 605 - 624. Rio de Janeiro: Museu Nacional." type="journal article" year="1998">Pires-Vanin, 1998</bibRefCitation>
) but this requires verification (Keable &amp; Bruce, 1997).
</paragraph>
</subSubSection>
</treatment>
</document>