treatments-xml/data/15/5A/87/155A87A4FF8BFFC66051FC3AFCB4AA28.xml
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<document id="AADB0BBBF819F6304B09378A130925D9" ID-DOI="10.5281/zenodo.174408" ID-GBIF-Dataset="fbbcb2e5-d5ad-4c8b-af0e-22a30f852c15" ID-ISSN="1175­5326" ID-Zenodo-Dep="174408" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1459796571981" checkinUser="plazi" docAuthor="Schwabe, Enrico, Försterra, Günter, Häussermann, Verena, Melzer, Roland R. &amp; Schrödl, Michael" docDate="2006" docId="155A87A4FF8BFFC66051FC3AFCB4AA28" docLanguage="en" docName="zt01341p027.pdf" docOrigin="Zootaxa 1341" docStyle="DocumentStyle:FA7E419B012A62B0FC3AC15A186C3DAF.3:Zootaxa.2001-2006.journal_article" docStyleId="FA7E419B012A62B0FC3AC15A186C3DAF" docStyleName="Zootaxa.2001-2006.journal_article" docStyleVersion="3" docTitle="Ischnochiton (Haploplax) pusio" docType="treatment" docVersion="9" lastPageNumber="9" masterDocId="E963FFDCFF8CFFCE6159FFA3FFDCA866" masterDocTitle="Chitons (Mollusca: Polyplacophora) from the southern Chilean Comau Fjord, with reinstatement of Tonicia calbucensis Plate, 1897" masterLastPageNumber="27" masterPageNumber="1" pageNumber="8" updateTime="1698219868725" updateUser="plazi">
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<mods:title id="179777B6F0A635B0C245F216BE646E23">Chitons (Mollusca: Polyplacophora) from the southern Chilean Comau Fjord, with reinstatement of Tonicia calbucensis Plate, 1897</mods:title>
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<mods:namePart id="A07414CB4AB04F93FC573E6F7B3CD4AF">Schwabe, Enrico</mods:namePart>
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<mods:namePart id="0B1BAEF4F3B9CD75EF30BFB8F57FDDFF">Häussermann, Verena</mods:namePart>
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<mods:namePart id="077D4F1C43D98A8E4C35FBED86F828CF">Melzer, Roland R.</mods:namePart>
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<treatment id="155A87A4FF8BFFC66051FC3AFCB4AA28" ID-DOI="http://doi.org/10.5281/zenodo.5674862" ID-GBIF-Taxon="119351315" ID-Zenodo-Dep="5674862" LSID="urn:lsid:plazi:treatment:155A87A4FF8BFFC66051FC3AFCB4AA28" httpUri="http://treatment.plazi.org/id/155A87A4FF8BFFC66051FC3AFCB4AA28" lastPageId="8" lastPageNumber="9" pageId="7" pageNumber="8">
<subSubSection id="D5E96539FF8BFFC96051FC3AFEA2ABB0" pageId="7" pageNumber="8" type="nomenclature">
<paragraph id="9D4C36B2FF8BFFC96051FC3AFB5AABD5" blockId="7.[264,1158,921,982]" box="[264,1158,921,947]" pageId="7" pageNumber="8">
<heading id="C60481DEFF8BFFC96051FC3AFB5AABD5" bold="true" box="[264,1158,921,947]" fontSize="11" level="1" pageId="7" pageNumber="8" reason="1">
<emphasis id="AF87EAA0FF8BFFC96051FC3AFB5AABD5" bold="true" box="[264,1158,921,947]" pageId="7" pageNumber="8">
<taxonomicName id="5AF34D31FF8BFFC96051FC3AFD56ABD5" ID-CoL="3Q4PT" box="[264,650,921,947]" class="Polyplacophora" family="Ischnochitonidae" genus="Ischnochiton" kingdom="Animalia" order="Chitonida" pageId="7" pageNumber="8" phylum="Mollusca" rank="species" species="pusio" subGenus="Haploplax">
<emphasis id="AF87EAA0FF8BFFC96051FC3AFE74ABD5" bold="true" box="[264,424,921,947]" italics="true" pageId="7" pageNumber="8">Ischnochiton</emphasis>
(
<emphasis id="AF87EAA0FF8BFFC960E0FC3AFDE4ABD5" bold="true" box="[441,568,921,947]" italics="true" pageId="7" pageNumber="8">Haploplax</emphasis>
)
<emphasis id="AF87EAA0FF8BFFC96310FC3AFD56ABD5" bold="true" box="[585,650,921,947]" italics="true" pageId="7" pageNumber="8">pusio</emphasis>
</taxonomicName>
(Sowerby in
<bibRefCitation id="F9624B43FF8BFFC96276FC3AFBA2ABD5" author="Broderip" box="[815,1150,921,947]" pageId="7" pageNumber="24" refString="Broderip, W. J. &amp; Sowerby, G. B. (1832 - 1833) Characters of new species of Mollusca and Conchifera, collected by Mr. Cuming. Proceedings of the Zoological Society of London, 25 - 33, 50 - 61, 104 - 108, 124 - 126 (1832), 173 - 179, 194 - 202 (1833)." type="book chapter" year="1832">Broderip &amp; Sowerby, 1832</bibRefCitation>
)
</emphasis>
</heading>
</paragraph>
<paragraph id="9D4C36B2FF8BFFC96051FC1FFEA2ABB0" blockId="7.[264,1158,921,982]" box="[264,382,956,982]" pageId="7" pageNumber="8">(Figure 6)</paragraph>
</subSubSection>
<subSubSection id="D5E96539FF8BFFC96051FBAFFCF3AF50" pageId="7" pageNumber="8" type="description">
<paragraph id="9D4C36B2FF8BFFC96051FBAFFCAAAC45" blockId="7.[264,1013,1036,1091]" box="[264,886,1036,1059]" pageId="7" pageNumber="8">
<treatmentCitationGroup id="BDE3119CFF8BFFC96051FBAFFCAAAC45" box="[264,886,1036,1059]" pageId="7" pageNumber="8">
<taxonomicName id="5AF34D31FF8BFFC96051FBAFFE2BAC45" authority="Sowerby" authorityName="Sowerby" box="[264,503,1036,1059]" class="Polyplacophora" family="Chitonidae" genus="Chiton" kingdom="Animalia" order="Chitonida" pageId="7" pageNumber="8" phylum="Mollusca" rank="species" species="pusio">
<emphasis id="AF87EAA0FF8BFFC96051FBAFFE4DAC45" box="[264,401,1036,1059]" italics="true" pageId="7" pageNumber="8">Chiton pusio</emphasis>
Sowerby
</taxonomicName>
in
<treatmentCitation id="1C5210A3FF8BFFC96341FBAFFCAEAC45" author="Broderip" box="[536,882,1036,1059]" page="105" pageId="7" pageNumber="8" year="1832">
<bibRefCitation id="F9624B43FF8BFFC96341FBAFFCE1AC45" author="Broderip" box="[536,829,1036,1059]" pageId="7" pageNumber="24" refString="Broderip, W. J. &amp; Sowerby, G. B. (1832 - 1833) Characters of new species of Mollusca and Conchifera, collected by Mr. Cuming. Proceedings of the Zoological Society of London, 25 - 33, 50 - 61, 104 - 108, 124 - 126 (1832), 173 - 179, 194 - 202 (1833)." type="book chapter" year="1832">Broderip &amp; Sowerby, 1832</bibRefCitation>
: 105
</treatmentCitation>
.
</treatmentCitationGroup>
</paragraph>
<paragraph id="9D4C36B2FF8BFFC96051FB8FFC29AC25" blockId="7.[264,1013,1036,1091]" box="[264,1013,1068,1091]" pageId="7" pageNumber="8">
Detailed bibliography and synonymy in
<bibRefCitation id="F9624B43FF8BFFC963EEFB8FFC1CAC25" author="Kaas" box="[695,960,1068,1091]" lastPageId="7" lastPageNumber="26" pageId="7" pageNumber="25" refString="Kaas, P. &amp; Van Belle, R. A. (1994) Monograph of living chitons. (Mollusca: Polyplacophora) 5, Suborder Ischnochitonina: Ischnochitonidae: Ischnochitoninae (concluded) Callistoplacinae; Mopaliidae; Additions to Volumes 1 - 4, E. J. Brill / W. Backhuys, Leiden, 402 pp." type="book chapter" year="1994">
Kaas &amp; Van
<bibRefCitation id="F9624B43FF8BFFC96266FB8FFC1CAC25" author="Belle" box="[831,960,1068,1091]" lastPageId="7" lastPageNumber="26" pageId="7" pageNumber="25" refString="Kaas, P. &amp; Van Belle, R. A. (1994) Monograph of living chitons. (Mollusca: Polyplacophora) 5, Suborder Ischnochitonina: Ischnochitonidae: Ischnochitoninae (concluded) Callistoplacinae; Mopaliidae; Additions to Volumes 1 - 4, E. J. Brill / W. Backhuys, Leiden, 402 pp." type="book chapter" year="1994">Belle (1994</bibRefCitation>
</bibRefCitation>
: 67).
</paragraph>
<paragraph id="9D4C36B2FF8BFFC96051FBD7FCF3AF50" blockId="7.[264,1325,1140,1886]" pageId="7" pageNumber="8">
<emphasis id="AF87EAA0FF8BFFC96051FBD7FE9FACE8" bold="true" box="[264,323,1140,1166]" pageId="7" pageNumber="8">Size:</emphasis>
Maximum length
<quantity id="5A0B9B57FF8BFFC96375FBD7FD58ACE8" box="[556,644,1140,1166]" metricMagnitude="-2" metricUnit="m" metricValue="2.1" pageId="7" pageNumber="8" unit="mm" value="21.0">21 mm</quantity>
(
<bibRefCitation id="F9624B43FF8BFFC963C1FBD7FC1AACE8" author="Kaas" box="[664,966,1140,1166]" lastPageId="7" lastPageNumber="26" pageId="7" pageNumber="25" refString="Kaas, P. &amp; Van Belle, R. A. (1994) Monograph of living chitons. (Mollusca: Polyplacophora) 5, Suborder Ischnochitonina: Ischnochitonidae: Ischnochitoninae (concluded) Callistoplacinae; Mopaliidae; Additions to Volumes 1 - 4, E. J. Brill / W. Backhuys, Leiden, 402 pp." type="book chapter" year="1994">Kaas &amp; Van Belle 1994</bibRefCitation>
).
<emphasis id="AF87EAA0FF8BFFC962B9FBD7FB51ACE8" bold="true" box="[992,1165,1140,1166]" pageId="7" pageNumber="8">Body outline:</emphasis>
Oval, rather elevated, dorsum subcarinated.
<emphasis id="AF87EAA0FF8BFFC963CAFB3FFD38ACD0" bold="true" box="[659,740,1180,1206]" pageId="7" pageNumber="8">Color:</emphasis>
Usually olive­brown to blackish brown, with brighter spots.
<emphasis id="AF87EAA0FF8BFFC96089FB67FDFBACB8" bold="true" box="[464,551,1220,1246]" pageId="7" pageNumber="8">Valves:</emphasis>
Rather solid; appear smooth (microgranulated) except for commarginal growth lines on terminal valves and lateral areas of intermediate valves; head valve less than semicircular, posteriorly widely V­shaped, slightly notched in middle; intermediate valves rectangular, posteriorly faintly convex on both sides of slightly protruding apex, lateral areas hardly raised; tail valve with mucro in anterior third, postmucronal slope nearly straight and rather steep.
<emphasis id="AF87EAA0FF8BFFC962D0FA2FFBB8ADC0" bold="true" box="[905,1124,1420,1446]" pageId="7" pageNumber="8">Articulamentum:</emphasis>
Bluish white to greenish blue, sometimes with darker streaks in central part, apophyses subtrapezoidal and rather short, slit formula:
<date id="E94D1072FF8BFFC9631BFA7FFD2EAD90" box="[578,754,1500,1526]" pageId="7" pageNumber="8" value="1911-01-11" valueMax="1911-01-14" valueMin="1911-01-11">1114 / 1 / 11</date>
, slit rays present in all valves, teeth sharp and rather smooth at outside.
<emphasis id="AF87EAA0FF8BFFC9631AF9A7FD0EAE78" bold="true" box="[579,722,1540,1566]" pageId="7" pageNumber="8">Perinotum:</emphasis>
Dorsally covered with smooth, solid, imbricated scales obtusely pointed; ventral side with radial rows of opaque rectangular to elongate scales.
<emphasis id="AF87EAA0FF8BFFC96005F9F7FE14AE08" bold="true" box="[348,456,1620,1646]" pageId="7" pageNumber="8">Ctenidia</emphasis>
(ZSM Moll 20040966;
<quantity id="5A0B9B57FF8BFFC963B8F9F7FCEFAE08" box="[737,819,1620,1646]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" pageId="7" pageNumber="8" unit="mm" value="12.0">12 mm</quantity>
body length): 25 holobranchial ctenidia on each side of foot, posterior ctenidia longer than anterior ones.
<emphasis id="AF87EAA0FF8BFFC962BAF9DFFBE2AEF0" bold="true" box="[995,1086,1660,1686]" pageId="7" pageNumber="8">Radula</emphasis>
(
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specimen): about
<quantity id="5A0B9B57FF8BFFC9600DF907FE6EAED8" box="[340,434,1700,1726]" metricMagnitude="-3" metricUnit="m" metricValue="3.2" pageId="7" pageNumber="8" unit="mm" value="3.2">3.2 mm</quantity>
in length; radula cartilage
<quantity id="5A0B9B57FF8BFFC96259F907FC82AED8" box="[768,862,1700,1726]" metricMagnitude="-3" metricUnit="m" metricValue="1.6" pageId="7" pageNumber="8" unit="mm" value="1.6">1.6 mm</quantity>
in length; 87 teeth rows, 72 showing mineralized teeth. Central tooth slender, extended at its base, with simple roundish blade; first lateral tooth twice length of central one, leaf­shaped, second lateral tooth with bicuspid head, inner denticle longer than outer.
</paragraph>
</subSubSection>
<subSubSection id="D5E96539FF8BFFC66061F8E7FB50A950" lastPageId="8" lastPageNumber="9" pageId="7" pageNumber="8" type="materials_examined">
<paragraph id="9D4C36B2FF8BFFC66061F8E7FB50A950" blockId="7.[264,1325,1140,1886]" lastBlockId="8.[264,1323,284,590]" lastPageId="8" lastPageNumber="9" pageId="7" pageNumber="8">
<emphasis id="AF87EAA0FF8BFFC96061F8E7FE72AF38" bold="true" box="[312,430,1860,1886]" pageId="7" pageNumber="8">Material:</emphasis>
Four specimens were collected at station 1, in a depth between 5 and
<quantity id="5A0B9B57FF8BFFC965B7F8E7FAF7AF38" box="[1262,1323,1860,1886]" metricMagnitude="1" metricUnit="m" metricValue="3.0" pageId="7" pageNumber="8" unit="m" value="30.0">30 m</quantity>
and two additional specimens at station 4, between 5 and
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(see
<tableCitation id="D0710309FF84FFC6657DFEBFFBA6A950" box="[1060,1146,284,310]" captionStart="TABLE 1" captionStartId="20.[264,352,443,467]" captionTargetBox="[272,1303,500,864]" captionTargetPageId="20" captionText="TABLE 1. Species and specimens collected by station." httpUri="http://table.plazi.org/id/C98C663AFF98FFDA6051FE18FC88A9B5" pageId="8" pageNumber="9" tableUuid="C98C663AFF98FFDA6051FE18FC88A9B5">Table 1</tableCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="D5E96539FF84FFC66061FEE0FCB4AA28" pageId="8" pageNumber="9" type="distribution">
<paragraph id="9D4C36B2FF84FFC66061FEE0FCB4AA28" blockId="8.[264,1323,284,590]" pageId="8" pageNumber="9">
<emphasis id="AF87EAA0FF84FFC66061FEE0FE06A93B" bold="true" box="[312,474,323,349]" pageId="8" pageNumber="9">Distribution:</emphasis>
<taxonomicName id="5AF34D31FF84FFC660B2FEE7FD0EA93B" box="[491,722,324,349]" class="Polyplacophora" family="Ischnochitonidae" genus="Ischnochiton" kingdom="Animalia" order="Chitonida" pageId="8" pageNumber="9" phylum="Mollusca" rank="species" species="pusio">
<emphasis id="AF87EAA0FF84FFC660B2FEE7FD0EA93B" box="[491,722,324,349]" italics="true" pageId="8" pageNumber="9">Ischnochiton pusio</emphasis>
</taxonomicName>
occurs from Tumbes,
<collectingCountry id="E5E47622FF84FFC662A4FEE7FBEAA938" box="[1021,1078,324,350]" name="Peru" pageId="8" pageNumber="9">Perú</collectingCountry>
, southwards to the Atlantic coast of Tierra del Fuego,
<collectingCountry id="E5E47622FF84FFC6639EFECFFC9CA9E0" box="[711,832,364,390]" name="Argentina" pageId="8" pageNumber="9">Argentina</collectingCountry>
. It is also known from offshore of the Chilean Juan Fernández Archipelago (
<bibRefCitation id="F9624B43FF84FFC66384FE37FBD0A9C8" author="Kaas" box="[733,1036,404,430]" lastPageId="8" lastPageNumber="26" pageId="8" pageNumber="25" refString="Kaas, P. &amp; Van Belle, R. A. (1994) Monograph of living chitons. (Mollusca: Polyplacophora) 5, Suborder Ischnochitonina: Ischnochitonidae: Ischnochitoninae (concluded) Callistoplacinae; Mopaliidae; Additions to Volumes 1 - 4, E. J. Brill / W. Backhuys, Leiden, 402 pp." type="book chapter" year="1994">Kaas &amp; Van Belle 1994</bibRefCitation>
). According to
<bibRefCitation id="F9624B43FF84FFC66589FE37FE6DA9B0" author="Reid" pageId="8" pageNumber="26" refString="Reid, D. G. &amp; Osorio, C. (2000) The shallow-water marine Mollusca of the Estero Elefantes and Laguna San Rafael, southern Chile. Bulletin of the Natural History Museum, London (Zoology), 66 (2), 109 - 146." type="journal article" year="2000">Reid &amp; Osorio (2000)</bibRefCitation>
,
<taxonomicName id="5AF34D31FF84FFC660E6FE1FFDC4A9B3" box="[447,536,444,469]" class="Polyplacophora" family="Ischnochitonidae" genus="Ischnochiton" kingdom="Animalia" order="Chitonida" pageId="8" pageNumber="9" phylum="Mollusca" rank="species" species="pusio">
<emphasis id="AF87EAA0FF84FFC660E6FE1FFDC4A9B3" box="[447,536,444,469]" italics="true" pageId="8" pageNumber="9">I. pusio</emphasis>
</taxonomicName>
inhabits the underside of stones and other hard substrata from the intertidal zone down to
<quantity id="5A0B9B57FF84FFC66345FE47FD86A998" box="[540,602,484,510]" metricMagnitude="1" metricUnit="m" metricValue="9.0" pageId="8" pageNumber="9" unit="m" value="90.0">90 m</quantity>
, with a depth preference around
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in fjord areas. This is supported by our study and we speculate that
<taxonomicName id="5AF34D31FF84FFC66279FDAFFC22AA43" box="[800,1022,524,549]" class="Polyplacophora" family="Ischnochitonidae" genus="Ischnochiton" kingdom="Animalia" order="Chitonida" pageId="8" pageNumber="9" phylum="Mollusca" rank="species" species="pusio">
<emphasis id="AF87EAA0FF84FFC66279FDAFFC22AA43" box="[800,1022,524,549]" italics="true" pageId="8" pageNumber="9">Ischnochiton pusio</emphasis>
</taxonomicName>
is less tolerant of salinity fluctuations and therefore lives below the halocline.
</paragraph>
</subSubSection>
</treatment>
</document>