535 lines
72 KiB
XML
535 lines
72 KiB
XML
<document id="8F09EEB2988FB695E58B0C9EA111B09E" ID-CLB-Dataset="26507" ID-DOI="10.11646/zootaxa.4615.2.1" ID-GBIF-Dataset="f8ebafc8-79ab-4eef-b52b-8c207ff2b1ec" ID-ISSN="1175-5326" ID-Zenodo-Dep="3244638" ID-ZooBank="9B9884DA-18D5-4BC9-950F-0436E075AAF8" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1560402561141" checkinUser="plazi" docAuthor="Alvizu, Adriana, Xavier, Joana R. & Rapp, Hans Tore" docDate="2019" docId="513F790DFFF0FF90E994D57CFD4E4E5B" docLanguage="en" docName="zootaxa.4615.2.1.pdf" docOrigin="Zootaxa 4615 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Megapogon crispatus Jenkin 1908" docType="treatment" docVersion="13" lastPageNumber="241" masterDocId="AD060175FFD5FFB8E903D13DFF954C64" masterDocTitle="Description of new chiactine-bearing sponges provides insights into the higher classification of Calcaronea (Porifera: Calcarea)" masterLastPageNumber="251" masterPageNumber="201" pageNumber="238" updateTime="1698735438809" updateUser="ExternalLinkService">
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<mods:mods id="5AC9868F521EA9A4B887EB1C1DA9994B" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="971DB4431EC9E9BE234C7D167BACC9CA">
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<mods:title id="A3B1C0FE79B4F151E78443B13407665F">Description of new chiactine-bearing sponges provides insights into the higher classification of Calcaronea (Porifera: Calcarea)</mods:title>
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<mods:name id="E42A7E69E8A56F5913D0BCAB6FADE928" type="personal">
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<mods:namePart id="2FBBDA987B07E28932AA75623ECCB722">Alvizu, Adriana</mods:namePart>
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<mods:namePart id="E747843FBFB6109D5EE9675E77F4E871">Xavier, Joana R.</mods:namePart>
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<mods:name id="CD1B84874C35962D3FC7C2C151CC7583" type="personal">
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<mods:roleTerm id="0809F6AFE277C292DBA483EE931090F7">Author</mods:roleTerm>
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<mods:namePart id="32F9076C952B17BB57D5DF821C4DA586">Rapp, Hans Tore</mods:namePart>
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<mods:typeOfResource id="6D32FA3753BC486E1C2E2D69D7EDA09B">text</mods:typeOfResource>
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<mods:title id="12727DB2904B7430970C58C09DE05482">Zootaxa</mods:title>
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<mods:part id="184B794B4E7C60AB8185807A5BE8A4FD">
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<mods:date id="D161851CDEEEADBFDE63896AD1FB6DDC">2019</mods:date>
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<mods:number id="727A3C9F88AB961B73010B26D8CB7342">2019-06-13</mods:number>
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<treatment id="513F790DFFF0FF90E994D57CFD4E4E5B" ID-DOI="http://doi.org/10.5281/zenodo.5584079" ID-GBIF-Taxon="157533035" ID-Zenodo-Dep="5584079" LSID="urn:lsid:plazi:treatment:513F790DFFF0FF90E994D57CFD4E4E5B" httpUri="http://treatment.plazi.org/id/513F790DFFF0FF90E994D57CFD4E4E5B" lastPageId="40" lastPageNumber="241" pageId="37" pageNumber="238">
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<subSubSection id="918C9B90FFF0FF9DE994D57CFDD4483F" box="[151,577,1089,1115]" pageId="37" pageNumber="238" type="nomenclature">
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<paragraph id="D929C81BFFF0FF9DE994D57CFDD4483F" blockId="37.[151,577,1089,1151]" box="[151,577,1089,1115]" pageId="37" pageNumber="238">
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<heading id="82617F77FFF0FF9DE994D57CFDD4483F" bold="true" box="[151,577,1089,1115]" fontSize="11" level="1" pageId="37" pageNumber="238" reason="1">
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<taxonomicName id="1E96B398FFF0FF9DE994D57CFDD4483F" ID-CoL="3YWVB" authority="Jenkin, 1908" authorityName="Jenkin" authorityYear="1908" box="[151,577,1089,1115]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="37" pageNumber="238" phylum="Porifera" rank="species" species="crispatus">
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<emphasis id="EBE21409FFF0FF9DE994D57CFDD4483F" bold="true" box="[151,577,1089,1115]" pageId="37" pageNumber="238">
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<emphasis id="EBE21409FFF0FF9DE994D57CFE0E483F" bold="true" box="[151,411,1089,1115]" italics="true" pageId="37" pageNumber="238">Megapogon crispatus</emphasis>
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<bibRefCitation id="BD07B5EAFFF0FF9DE8A1D57CFDD4483F" author="Jenkin, C. F." box="[418,577,1089,1115]" pageId="37" pageNumber="238" pagination="1 - 49" refId="ref27105" refString="Jenkin, C. F. (1908) Porifera. III. Calcarea. National Antarctic Expedition, 1901 - 1904, Natural History, 4, Zoology, 1 - 49, pls. XXVII-XXXVIII." type="journal article" year="1908">Jenkin, 1908</bibRefCitation>
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="918C9B90FFF0FF9DE994D558FBA748A3" pageId="37" pageNumber="238" type="description">
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<paragraph id="D929C81BFFF0FF9DE994D558FE36481B" blockId="37.[151,577,1089,1151]" box="[151,419,1125,1151]" pageId="37" pageNumber="238">
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(
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<figureCitation id="41ADD49EFFF0FF9DE99CD558FF67481B" box="[159,242,1125,1151]" captionStart="FIGURE 17" captionStartId="38.[151,250,1829,1854]" captionTargetBox="[251,1337,166,1809]" captionTargetId="figure@38.[251,1337,166,1809]" captionTargetPageId="38" captionText="FIGURE 17A–H. Megapogon crispatus. A: preserved holotype BMNH-1907.8.6.131. B: histological section including the oscular region. C: histological section including cortical layer, choanosome and atrial cavity. D: histological section including cortical layer and oscular region. E: SEM image of cortical layer. F: histological section of a choanosome chamber. G–H: LM and SEM images of diactines, showing details of the distal ends. Abbreviations: Apa = apical actines of tetractines; At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; MicI = microdiactines I; MicII = microdiactines II; Inc = inhalant cavity; Tet = tetractines." httpUri="https://zenodo.org/record/3244664/files/figure.png" pageId="37" pageNumber="238">Figs 17</figureCitation>
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A–H;
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<tableCitation id="9414FDA0FFF0FF9DE83BD558FE0C481B" box="[312,409,1125,1151]" captionStart="TABLE 13" captionStartId="39.[151,239,154,178]" captionTargetPageId="39" captionText="TABLE 13. Spicule measurements from the holotype of Megapogon crispatus (holotype BMNH-1907.8.6.131). Measurements from the original description by Jenkin (1908) are included below." httpUri="http://table.plazi.org/id/8DE99893FFF2FF9FE994D1A7FC514CB2" pageId="37" pageNumber="238" tableUuid="8DE99893FFF2FF9FE994D1A7FC514CB2">Table 13</tableCitation>
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)
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</paragraph>
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<paragraph id="D929C81BFFF0FF9DE994D591FBA748A3" blockId="37.[151,1437,1196,2015]" box="[151,1074,1196,1223]" pageId="37" pageNumber="238">
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<emphasis id="EBE21409FFF0FF9DE994D591FE0548A3" bold="true" box="[151,400,1196,1223]" pageId="37" pageNumber="238">Original description.</emphasis>
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<bibRefCitation id="BD07B5EAFFF0FF9DE894D590FDB748A3" author="Jenkin, C. F." box="[407,546,1197,1223]" pageId="37" pageNumber="238" pagination="1 - 49" refId="ref27105" refString="Jenkin, C. F. (1908) Porifera. III. Calcarea. National Antarctic Expedition, 1901 - 1904, Natural History, 4, Zoology, 1 - 49, pls. XXVII-XXXVIII." type="journal article" year="1908">Jenkin 1908</bibRefCitation>
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, p. 41, pl. XXVII and XXXVIII, figs 131–136.
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</paragraph>
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</subSubSection>
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<subSubSection id="918C9B90FFF0FF9DE9C4D5ECFDA14983" pageId="37" pageNumber="238" type="materials_examined">
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<paragraph id="D929C81BFFF0FF9DE9C4D5ECFD5A488F" blockId="37.[151,1437,1196,2015]" box="[199,719,1232,1259]" pageId="37" pageNumber="238">
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<materialsCitation id="69FEC246FFF0FF9DE9C4D5ECFD5E488F" ID-GBIF-Occurrence="2252532226" box="[199,715,1232,1259]" location="Winter Quarters Bay" municipality="Antarctic" pageId="37" pageNumber="238" specimenCount="1" typeStatus="holotype">
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<emphasis id="EBE21409FFF0FF9DE9C4D5ECFEF0488F" bold="true" box="[199,357,1232,1259]" pageId="37" pageNumber="238">
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<typeStatus id="062D76B9FFF0FF9DE9C4D5ECFE97488F" box="[199,258,1233,1259]" pageId="37" pageNumber="238">Type</typeStatus>
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locality.
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</emphasis>
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<location id="DC499EC0FFF0FF9DE86FD5ECFDC0488F" LSID="urn:lsid:plazi:treatment:513F790DFFF0FF90E994D57CFD4E4E5B:DC499EC0FFF0FF9DE86FD5ECFDC0488F" box="[364,597,1233,1259]" municipality="Antarctic" name="Winter Quarters Bay" pageId="37" pageNumber="238">Winter Quarters Bay</location>
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,
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<collectingMunicipality id="394D5261FFF0FF9DEB5CD5ECFD5E488F" box="[607,715,1233,1259]" pageId="37" pageNumber="238">Antarctic</collectingMunicipality>
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</materialsCitation>
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.
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</paragraph>
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<paragraph id="D929C81BFFF0FF9DE9C4D5C9FAC1496B" blockId="37.[151,1437,1196,2015]" box="[199,1364,1268,1295]" pageId="37" pageNumber="238">
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<emphasis id="EBE21409FFF0FF9DE9C4D5C9FE4A496B" bold="true" box="[199,479,1268,1295]" pageId="37" pageNumber="238">Synonym and citations.</emphasis>
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<taxonomicName id="1E96B398FFF0FF9DE8E6D5CBFC41496B" authority=", Bronsted 1931, p. 32" authorityName="Bronsted" authorityPageNumber="32" authorityYear="1931" box="[485,980,1269,1295]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="37" pageNumber="238" phylum="Porifera" rank="species" species="crispatus">
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<emphasis id="EBE21409FFF0FF9DE8E6D5CBFD4C496B" box="[485,729,1270,1295]" italics="true" pageId="37" pageNumber="238">Megapogon crispatus</emphasis>
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, Brønsted 1931, p. 32
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</taxonomicName>
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;
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<taxonomicName id="1E96B398FFF0FF9DEAE3D5CBFAC5496B" authority=", Burton 1963, p. 93" authorityName=", Burton" authorityPageNumber="93" authorityYear="1963" box="[992,1360,1269,1295]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="37" pageNumber="238" phylum="Porifera" rank="species" species="crispatus">
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<emphasis id="EBE21409FFF0FF9DEAE3D5CBFBF9496B" box="[992,1132,1270,1295]" italics="true" pageId="37" pageNumber="238">M. crispatus</emphasis>
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,
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<bibRefCitation id="BD07B5EAFFF0FF9DED79D5C8FA9F496B" author="Burton, M." box="[1146,1290,1269,1295]" pageId="37" pageNumber="238" refId="ref26370" refString="Burton, M. (1963) A revision of the classification of the calcareous sponges: With a catalogue of the specimens in the British Museum (Natural History). Order of the trustees of the British Museum (Natural History), London, 693 pp." type="book" year="1963">Burton 1963</bibRefCitation>
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, p. 93
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</taxonomicName>
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.
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</paragraph>
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<paragraph id="D929C81BFFF0FF9DE9C4D425FD2A493C" blockId="37.[151,1437,1196,2015]" pageId="37" pageNumber="238">
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||
<emphasis id="EBE21409FFF0FF9DE9C4D425FE244957" bold="true" box="[199,433,1304,1331]" pageId="37" pageNumber="238">Material examined.</emphasis>
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||
<materialsCitation id="69FEC246FFF0FF9DE8B4D424FD2A493C" ID-GBIF-Occurrence="2252532234" collectionCode="HMS" pageId="37" pageNumber="238" specimenCount="1" typeStatus="holotype">
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||
<typeStatus id="062D76B9FFF0FF9DE8B4D424FDB14957" box="[439,548,1305,1331]" pageId="37" pageNumber="238" type="holotype">
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||
<emphasis id="EBE21409FFF0FF9DE8B4D424FDB14957" bold="true" box="[439,548,1305,1331]" pageId="37" pageNumber="238">Holotype</emphasis>
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</typeStatus>
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: BMNH-1907.8.6.131, (two specimens and slides). Winter Quarters, Antarctic, National Antarctic Expedition (
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<collectionCode id="BF8750DEFFF0FF9DE8F5D400FDA14933" box="[502,564,1341,1367]" country="Brazil" lsid="urn:lsid:biocol.org:col:15108" name="Embrapa Gado de Corte" pageId="37" pageNumber="238" type="Herbarium">HMS</collectionCode>
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Discovery).
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</materialsCitation>
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||
</paragraph>
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||
<paragraph id="D929C81BFFF0FF9DE9C4D45CFDA14983" blockId="37.[151,1437,1196,2015]" pageId="37" pageNumber="238">
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<emphasis id="EBE21409FFF0FF9DE9C4D45CFEF4491F" bold="true" box="[199,353,1377,1403]" pageId="37" pageNumber="238">Morphology.</emphasis>
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Vase-shaped without fringe but with a well-developed oscular collar. Colour whitish in ethanol. Surface villose due to long diactines that cross the surface (
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<figureCitation id="41ADD49EFFF0FF9DEA47D4B8FC1A49FB" box="[836,911,1413,1439]" captionStart="FIGURE 17" captionStartId="38.[151,250,1829,1854]" captionTargetBox="[251,1337,166,1809]" captionTargetId="figure@38.[251,1337,166,1809]" captionTargetPageId="38" captionText="FIGURE 17A–H. Megapogon crispatus. A: preserved holotype BMNH-1907.8.6.131. B: histological section including the oscular region. C: histological section including cortical layer, choanosome and atrial cavity. D: histological section including cortical layer and oscular region. E: SEM image of cortical layer. F: histological section of a choanosome chamber. G–H: LM and SEM images of diactines, showing details of the distal ends. Abbreviations: Apa = apical actines of tetractines; At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; MicI = microdiactines I; MicII = microdiactines II; Inc = inhalant cavity; Tet = tetractines." httpUri="https://zenodo.org/record/3244664/files/figure.png" pageId="37" pageNumber="238">Fig 17</figureCitation>
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A–B). Size of the fragment
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<quantity id="1E6E65FEFFF0FF9DEDD1D4B8FACE49FB" box="[1234,1371,1413,1439]" metricMagnitude="-3" metricUnit="m" metricValue="2.75" metricValueMax="3.1" metricValueMin="2.4" pageId="37" pageNumber="238" unit="mm" value="2.75" valueMax="3.1" valueMin="2.4">2.4–3.1 mm</quantity>
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long,
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<quantity id="1E6E65FEFFF0FF9DE994D495FE8B49A7" box="[151,286,1448,1475]" metricMagnitude="-3" metricUnit="m" metricValue="1.65" metricValueMax="1.8" metricValueMin="1.5" pageId="37" pageNumber="238" unit="mm" value="1.65" valueMax="1.8" valueMin="1.5">1.5–1.8 mm</quantity>
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wide and
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<quantity id="1E6E65FEFFF0FF9DE88CD494FE7049A7" box="[399,485,1449,1475]" metricMagnitude="-4" metricUnit="m" metricValue="1.0" pageId="37" pageNumber="238" unit="mm" value="0.1">0.1 mm</quantity>
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thick. Aquiferous system is leuconoid with spherical choanocyte chambers of similar size than inhalant cavities (
|
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<figureCitation id="41ADD49EFFF0FF9DE8C5D4F0FDB24983" box="[454,551,1485,1511]" captionStart="FIGURE 17" captionStartId="38.[151,250,1829,1854]" captionTargetBox="[251,1337,166,1809]" captionTargetId="figure@38.[251,1337,166,1809]" captionTargetPageId="38" captionText="FIGURE 17A–H. Megapogon crispatus. A: preserved holotype BMNH-1907.8.6.131. B: histological section including the oscular region. C: histological section including cortical layer, choanosome and atrial cavity. D: histological section including cortical layer and oscular region. E: SEM image of cortical layer. F: histological section of a choanosome chamber. G–H: LM and SEM images of diactines, showing details of the distal ends. Abbreviations: Apa = apical actines of tetractines; At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; MicI = microdiactines I; MicII = microdiactines II; Inc = inhalant cavity; Tet = tetractines." httpUri="https://zenodo.org/record/3244664/files/figure.png" pageId="37" pageNumber="238">Fig 17C</figureCitation>
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).
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||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="918C9B90FFF0FF90E9C4D4CDFAD04CB3" lastPageId="40" lastPageNumber="241" pageId="37" pageNumber="238" type="description">
|
||
<paragraph id="D929C81BFFF0FF9DE9C4D4CDFB554B2B" blockId="37.[151,1437,1196,2015]" pageId="37" pageNumber="238">
|
||
<emphasis id="EBE21409FFF0FF9DE9C4D4CDFEA04A6F" bold="true" box="[199,309,1520,1547]" pageId="37" pageNumber="238">Skeleton.</emphasis>
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||
Skeleton inarticulated and composed of diactines, microdiactines, triactines and chiactines. Tetractines are found only in the oscular area (
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||
<figureCitation id="41ADD49EFFF0FF9DEB67D728FC854A4B" box="[612,784,1557,1583]" captionStart="FIGURE 17" captionStartId="38.[151,250,1829,1854]" captionTargetBox="[251,1337,166,1809]" captionTargetId="figure@38.[251,1337,166,1809]" captionTargetPageId="38" captionText="FIGURE 17A–H. Megapogon crispatus. A: preserved holotype BMNH-1907.8.6.131. B: histological section including the oscular region. C: histological section including cortical layer, choanosome and atrial cavity. D: histological section including cortical layer and oscular region. E: SEM image of cortical layer. F: histological section of a choanosome chamber. G–H: LM and SEM images of diactines, showing details of the distal ends. Abbreviations: Apa = apical actines of tetractines; At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; MicI = microdiactines I; MicII = microdiactines II; Inc = inhalant cavity; Tet = tetractines." httpUri="https://zenodo.org/record/3244664/files/figure.png" pageId="37" pageNumber="238">Figs 17B, 17D</figureCitation>
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). Cortical skeleton composed of tangential triactines (
|
||
<figureCitation id="41ADD49EFFF0FF9DEC76D728FF504A37" captionStart="FIGURE 17" captionStartId="38.[151,250,1829,1854]" captionTargetBox="[251,1337,166,1809]" captionTargetId="figure@38.[251,1337,166,1809]" captionTargetPageId="38" captionText="FIGURE 17A–H. Megapogon crispatus. A: preserved holotype BMNH-1907.8.6.131. B: histological section including the oscular region. C: histological section including cortical layer, choanosome and atrial cavity. D: histological section including cortical layer and oscular region. E: SEM image of cortical layer. F: histological section of a choanosome chamber. G–H: LM and SEM images of diactines, showing details of the distal ends. Abbreviations: Apa = apical actines of tetractines; At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; MicI = microdiactines I; MicII = microdiactines II; Inc = inhalant cavity; Tet = tetractines." httpUri="https://zenodo.org/record/3244664/files/figure.png" pageId="37" pageNumber="238">Fig 17E</figureCitation>
|
||
) and of large projecting diactines which are bent towards the proximal end (
|
||
<figureCitation id="41ADD49EFFF0FF9DED29D704FBE84A37" box="[1066,1149,1593,1619]" captionStart="FIGURE 17" captionStartId="38.[151,250,1829,1854]" captionTargetBox="[251,1337,166,1809]" captionTargetId="figure@38.[251,1337,166,1809]" captionTargetPageId="38" captionText="FIGURE 17A–H. Megapogon crispatus. A: preserved holotype BMNH-1907.8.6.131. B: histological section including the oscular region. C: histological section including cortical layer, choanosome and atrial cavity. D: histological section including cortical layer and oscular region. E: SEM image of cortical layer. F: histological section of a choanosome chamber. G–H: LM and SEM images of diactines, showing details of the distal ends. Abbreviations: Apa = apical actines of tetractines; At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; MicI = microdiactines I; MicII = microdiactines II; Inc = inhalant cavity; Tet = tetractines." httpUri="https://zenodo.org/record/3244664/files/figure.png" pageId="37" pageNumber="238">Figs 17</figureCitation>
|
||
B–E, 17G). Two
|
||
<typeStatus id="062D76B9FFF0FF9DEC41D704FAE84A37" box="[1346,1405,1593,1619]" pageId="37" pageNumber="238">types</typeStatus>
|
||
of microdiactines with spines are placed irregularly on the surface (
|
||
<figureCitation id="41ADD49EFFF0FF9DEA7FD760FC494A13" box="[892,988,1629,1655]" captionStart="FIGURE 17" captionStartId="38.[151,250,1829,1854]" captionTargetBox="[251,1337,166,1809]" captionTargetId="figure@38.[251,1337,166,1809]" captionTargetPageId="38" captionText="FIGURE 17A–H. Megapogon crispatus. A: preserved holotype BMNH-1907.8.6.131. B: histological section including the oscular region. C: histological section including cortical layer, choanosome and atrial cavity. D: histological section including cortical layer and oscular region. E: SEM image of cortical layer. F: histological section of a choanosome chamber. G–H: LM and SEM images of diactines, showing details of the distal ends. Abbreviations: Apa = apical actines of tetractines; At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; MicI = microdiactines I; MicII = microdiactines II; Inc = inhalant cavity; Tet = tetractines." httpUri="https://zenodo.org/record/3244664/files/figure.png" pageId="37" pageNumber="238">Fig 17E</figureCitation>
|
||
). These microdiactines are also present amongst the atrial spicules, and around the choanocyte chambers (
|
||
<figureCitation id="41ADD49EFFF0FF9DEA92D7BCFC6E4AFF" box="[913,1019,1665,1691]" captionStart="FIGURE 17" captionStartId="38.[151,250,1829,1854]" captionTargetBox="[251,1337,166,1809]" captionTargetId="figure@38.[251,1337,166,1809]" captionTargetPageId="38" captionText="FIGURE 17A–H. Megapogon crispatus. A: preserved holotype BMNH-1907.8.6.131. B: histological section including the oscular region. C: histological section including cortical layer, choanosome and atrial cavity. D: histological section including cortical layer and oscular region. E: SEM image of cortical layer. F: histological section of a choanosome chamber. G–H: LM and SEM images of diactines, showing details of the distal ends. Abbreviations: Apa = apical actines of tetractines; At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; MicI = microdiactines I; MicII = microdiactines II; Inc = inhalant cavity; Tet = tetractines." httpUri="https://zenodo.org/record/3244664/files/figure.png" pageId="37" pageNumber="238">Figs 17F</figureCitation>
|
||
). Chiactines and few triactines form the atrial skeleton, with their unpaired actines pointing to the surface, and the paired actines giving support to the atrial wall. Tri- and tetractines of the same size, laid tangentially with the unpaired actines pointing downwards, are forming the oscular collar (
|
||
<figureCitation id="41ADD49EFFF0FF9DE8CDD7D0FDA44B63" box="[462,561,1773,1799]" captionStart="FIGURE 17" captionStartId="38.[151,250,1829,1854]" captionTargetBox="[251,1337,166,1809]" captionTargetId="figure@38.[251,1337,166,1809]" captionTargetPageId="38" captionText="FIGURE 17A–H. Megapogon crispatus. A: preserved holotype BMNH-1907.8.6.131. B: histological section including the oscular region. C: histological section including cortical layer, choanosome and atrial cavity. D: histological section including cortical layer and oscular region. E: SEM image of cortical layer. F: histological section of a choanosome chamber. G–H: LM and SEM images of diactines, showing details of the distal ends. Abbreviations: Apa = apical actines of tetractines; At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; MicI = microdiactines I; MicII = microdiactines II; Inc = inhalant cavity; Tet = tetractines." httpUri="https://zenodo.org/record/3244664/files/figure.png" pageId="37" pageNumber="238">Fig 17D</figureCitation>
|
||
). The oscular fringe is mainly composed of slightly shorter diactines, and by diactines similar to those found in the cortical skeleton but longer and thinner. It was not possible to measure the spicules from the oscular region, because they were broken or not easily visible in the sections.
|
||
</paragraph>
|
||
<paragraph id="D929C81BFFF0FF9DE9C4D665FC494BF3" blockId="37.[151,1437,1196,2015]" pageId="37" pageNumber="238">
|
||
<emphasis id="EBE21409FFF0FF9DE9C4D665FEA54B17" bold="true" box="[199,304,1880,1907]" pageId="37" pageNumber="238">Spicules.</emphasis>
|
||
<emphasis id="EBE21409FFF0FF9DE839D667FE304B17" box="[314,421,1882,1907]" italics="true" pageId="37" pageNumber="238">Diactines</emphasis>
|
||
: large and curved towards the distal end which has a knob. Proximal end hastate (
|
||
<figureCitation id="41ADD49EFFF0FF9DEC68D664FF274BF3" captionStart="FIGURE 17" captionStartId="38.[151,250,1829,1854]" captionTargetBox="[251,1337,166,1809]" captionTargetId="figure@38.[251,1337,166,1809]" captionTargetPageId="38" captionText="FIGURE 17A–H. Megapogon crispatus. A: preserved holotype BMNH-1907.8.6.131. B: histological section including the oscular region. C: histological section including cortical layer, choanosome and atrial cavity. D: histological section including cortical layer and oscular region. E: SEM image of cortical layer. F: histological section of a choanosome chamber. G–H: LM and SEM images of diactines, showing details of the distal ends. Abbreviations: Apa = apical actines of tetractines; At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; MicI = microdiactines I; MicII = microdiactines II; Inc = inhalant cavity; Tet = tetractines." httpUri="https://zenodo.org/record/3244664/files/figure.png" pageId="37" pageNumber="238">Figs 17</figureCitation>
|
||
A–B, 17G). Size: 513.8 ±
|
||
<quantity id="1E6E65FEFFF0FF9DE8DAD640FDD04BF3" box="[473,581,1917,1943]" metricMagnitude="-1" metricUnit="m" metricValue="1.682" pageId="37" pageNumber="238" unit="mm" value="168.2">168.2 µm</quantity>
|
||
length, 15 ±
|
||
<quantity id="1E6E65FEFFF0FF9DEBDAD640FC814BF3" box="[729,788,1917,1943]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="37" pageNumber="238" unit="mm" value="4.0">4 µm</quantity>
|
||
width (
|
||
<tableCitation id="9414FDA0FFF0FF9DEA6AD640FC5A4BF3" box="[873,975,1917,1943]" captionStart="TABLE 13" captionStartId="39.[151,239,154,178]" captionTargetPageId="39" captionText="TABLE 13. Spicule measurements from the holotype of Megapogon crispatus (holotype BMNH-1907.8.6.131). Measurements from the original description by Jenkin (1908) are included below." httpUri="http://table.plazi.org/id/8DE99893FFF2FF9FE994D1A7FC514CB2" pageId="37" pageNumber="238" tableUuid="8DE99893FFF2FF9FE994D1A7FC514CB2">Table 13</tableCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="D929C81BFFF0FF9DE9C4D69CFF564BBB" blockId="37.[151,1437,1196,2015]" pageId="37" pageNumber="238">
|
||
<emphasis id="EBE21409FFF0FF9DE9C4D69CFEEB4BDF" box="[199,382,1953,1979]" italics="true" pageId="37" pageNumber="238">Microdiactines I</emphasis>
|
||
: small, straight and with spines. Size: 23.2 ± 4.0 µm length, 1.1 ±
|
||
<quantity id="1E6E65FEFFF0FF9DED54D69CFB334BDF" box="[1111,1190,1953,1979]" metricMagnitude="-4" metricUnit="m" metricValue="2.0" pageId="37" pageNumber="238" unit="mm" value="0.2">0.2 µm</quantity>
|
||
width (
|
||
<figureCitation id="41ADD49EFFF0FF9DEDFAD69CFAC14BDF" box="[1273,1364,1953,1979]" captionStart="FIGURE 17" captionStartId="38.[151,250,1829,1854]" captionTargetBox="[251,1337,166,1809]" captionTargetId="figure@38.[251,1337,166,1809]" captionTargetPageId="38" captionText="FIGURE 17A–H. Megapogon crispatus. A: preserved holotype BMNH-1907.8.6.131. B: histological section including the oscular region. C: histological section including cortical layer, choanosome and atrial cavity. D: histological section including cortical layer and oscular region. E: SEM image of cortical layer. F: histological section of a choanosome chamber. G–H: LM and SEM images of diactines, showing details of the distal ends. Abbreviations: Apa = apical actines of tetractines; At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; MicI = microdiactines I; MicII = microdiactines II; Inc = inhalant cavity; Tet = tetractines." httpUri="https://zenodo.org/record/3244664/files/figure.png" pageId="37" pageNumber="238">Fig 17F</figureCitation>
|
||
;
|
||
<tableCitation id="9414FDA0FFF0FF9DEC5DD69CFF234BBB" captionStart="TABLE 13" captionStartId="39.[151,239,154,178]" captionTargetPageId="39" captionText="TABLE 13. Spicule measurements from the holotype of Megapogon crispatus (holotype BMNH-1907.8.6.131). Measurements from the original description by Jenkin (1908) are included below." httpUri="http://table.plazi.org/id/8DE99893FFF2FF9FE994D1A7FC514CB2" pageId="37" pageNumber="238" tableUuid="8DE99893FFF2FF9FE994D1A7FC514CB2">Table 13</tableCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="8DE99893FFF3FF9EE994D618FC614B96" httpUri="https://zenodo.org/record/3244664/files/figure.png" pageId="38" pageNumber="239" startId="38.[151,250,1829,1854]" targetBox="[251,1337,166,1809]" targetPageId="38">
|
||
<paragraph id="D929C81BFFF3FF9EE994D618FC614B96" blockId="38.[151,1437,1829,2034]" pageId="38" pageNumber="239">
|
||
<emphasis id="EBE21409FFF3FF9EE994D618FEC04B5A" bold="true" box="[151,341,1829,1854]" pageId="38" pageNumber="239">FIGURE 17A–H.</emphasis>
|
||
<taxonomicName id="1E96B398FFF3FF9EE85ED61BFDA94B59" authorityName=", Burton" authorityYear="1963" box="[349,572,1830,1853]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="38" pageNumber="239" phylum="Porifera" rank="species" species="crispatus">
|
||
<emphasis id="EBE21409FFF3FF9EE85ED61BFDA94B59" box="[349,572,1830,1853]" italics="true" pageId="38" pageNumber="239">Megapogon crispatus</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<emphasis id="EBE21409FFF3FF9EEB48D618FDF04B5A" bold="true" box="[587,613,1829,1854]" pageId="38" pageNumber="239">A:</emphasis>
|
||
preserved holotype BMNH-1907.8.6.131.
|
||
<emphasis id="EBE21409FFF3FF9EED20D618FBA84B59" bold="true" box="[1059,1085,1829,1853]" pageId="38" pageNumber="239">B:</emphasis>
|
||
histological section including the oscular region.
|
||
<emphasis id="EBE21409FFF3FF9EE836D674FEC54B06" bold="true" box="[309,336,1865,1890]" pageId="38" pageNumber="239">C:</emphasis>
|
||
histological section including cortical layer, choanosome and atrial cavity.
|
||
<emphasis id="EBE21409FFF3FF9EED4CD674FBFF4B05" bold="true" box="[1103,1130,1865,1889]" pageId="38" pageNumber="239">D:</emphasis>
|
||
histological section including cortical layer and oscular region.
|
||
<emphasis id="EBE21409FFF3FF9EE8E8D650FD914BE1" bold="true" box="[491,516,1901,1925]" pageId="38" pageNumber="239">E:</emphasis>
|
||
SEM image of cortical layer.
|
||
<emphasis id="EBE21409FFF3FF9EEA36D650FCDB4BE1" bold="true" box="[821,846,1901,1925]" pageId="38" pageNumber="239">F:</emphasis>
|
||
histological section of a choanosome chamber.
|
||
<emphasis id="EBE21409FFF3FF9EEC30D650FAE54BE2" bold="true" box="[1331,1392,1901,1926]" pageId="38" pageNumber="239">G–H:</emphasis>
|
||
LM and SEM images of diactines, showing details of the distal ends.
|
||
<emphasis id="EBE21409FFF3FF9EEA2AD6ACFC5F4BCE" bold="true" box="[809,970,1937,1962]" pageId="38" pageNumber="239">Abbreviations:</emphasis>
|
||
Apa = apical actines of tetractines; At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; MicI = microdiactines I; MicII = microdiactines II; Inc = inhalant cavity; Tet = tetractines.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="8DE99893FFF2FF9FE994D1A7FC514CB2" ID-Table-UUID="8DE99893FFF2FF9FE994D1A7FC514CB2" httpUri="http://table.plazi.org/id/8DE99893FFF2FF9FE994D1A7FC514CB2" pageId="39" pageNumber="240" targetBox="[166,1408,226,1649]" targetIsTable="true" targetPageId="39">
|
||
<paragraph id="D929C81BFFF2FF9FE994D1A7FC514CB2" blockId="39.[151,1437,154,214]" pageId="39" pageNumber="240">
|
||
<emphasis id="EBE21409FFF2FF9FE994D1A7FE8D4CD6" bold="true" box="[151,280,154,178]" pageId="39" pageNumber="240">TABLE 13.</emphasis>
|
||
Spicule measurements from the holotype of
|
||
<taxonomicName id="1E96B398FFF2FF9FEBFCD1A6FC7D4CD5" authorityName=", Burton" authorityYear="1963" box="[767,1000,154,178]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="39" pageNumber="240" phylum="Porifera" rank="species" species="crispatus">
|
||
<emphasis id="EBE21409FFF2FF9FEBFCD1A6FC7D4CD5" box="[767,1000,154,178]" italics="true" pageId="39" pageNumber="240">Megapogon crispatus</emphasis>
|
||
</taxonomicName>
|
||
(holotype BMNH-1907.8.6.131). Measurements from the original description by
|
||
<bibRefCitation id="BD07B5EAFFF2FF9FEB59D183FD784CB2" author="Jenkin, C. F." box="[602,749,190,214]" pageId="39" pageNumber="240" pagination="1 - 49" refId="ref27105" refString="Jenkin, C. F. (1908) Porifera. III. Calcarea. National Antarctic Expedition, 1901 - 1904, Natural History, 4, Zoology, 1 - 49, pls. XXVII-XXXVIII." type="journal article" year="1908">Jenkin (1908)</bibRefCitation>
|
||
are included below.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="D929C81BFFF2FF9FE8D5D1DFFC6D4A15" pageId="39" pageNumber="240">
|
||
<table id="AB963ABBFFF20047E9A5D1DFFA154A15" box="[166,1408,226,1649]" gridcols="9" gridrows="38" pageId="39" pageNumber="240">
|
||
<tr id="67A6CA59FFF20047E9A5D1DFFA154C9F" box="[166,1408,226,251]" gridrow="0" pageId="39" pageNumber="240" rowspan-2="1" rowspan-3="1" rowspan-4="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D1DFFD254C9F" box="[166,688,226,251]" colspan="2" colspanRight="1" gridcol="0" gridrow="0" pageId="39" pageNumber="240">BMNH-1907.8.6.131</th>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D03AFA154D45" box="[166,1408,263,289]" gridrow="1" pageId="39" pageNumber="240" rowspan-2="1" rowspan-3="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D03AFD254D45" box="[166,688,263,289]" colspan="2" colspanRight="1" gridcol="0" gridrow="1" pageId="39" pageNumber="240">
|
||
Spicule
|
||
<emphasis id="EBE21409FFF2FF9FE8D5D035FDCB4D44" bold="true" box="[470,606,263,288]" pageId="39" pageNumber="240">Length (µm)</emphasis>
|
||
</th>
|
||
<td id="2477A325FFF20047EABED03AFBFF4D45" box="[957,1130,263,289]" colspan="2" colspanRight="1" gridcol="4" gridrow="1" pageId="39" pageNumber="240">
|
||
<emphasis id="EBE21409FFF2FF9FEABED03AFBA94D44" bold="true" box="[957,1084,263,288]" pageId="39" pageNumber="240">Width (µm)</emphasis>
|
||
</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D013FA154D23" box="[166,1408,302,327]" gridrow="2" pageId="39" pageNumber="240">
|
||
<th id="2477A325FFF20047E9A5D013FDBE4D23" box="[166,555,302,327]" gridcol="0" gridrow="2" pageId="39" pageNumber="240">Min</th>
|
||
<td id="2477A325FFF20047EB53D013FD254D23" box="[592,688,302,327]" gridcol="1" gridrow="2" pageId="39" pageNumber="240">Mean</td>
|
||
<td id="2477A325FFF20047EBCAD013FC974D23" box="[713,770,302,327]" gridcol="2" gridrow="2" pageId="39" pageNumber="240">Max</td>
|
||
<td id="2477A325FFF20047EA40D013FCE94D23" box="[835,892,302,327]" gridcol="3" gridrow="2" pageId="39" pageNumber="240">SD</td>
|
||
<td id="2477A325FFF20047EABED013FC6D4D23" box="[957,1016,302,327]" gridcol="4" gridrow="2" pageId="39" pageNumber="240">Min</td>
|
||
<td id="2477A325FFF20047ED33D013FBFF4D23" box="[1072,1130,302,327]" gridcol="5" gridrow="2" pageId="39" pageNumber="240">Mean</td>
|
||
<td id="2477A325FFF20047EDA1D013FB454D23" box="[1186,1232,302,327]" gridcol="6" gridrow="2" pageId="39" pageNumber="240">Max</td>
|
||
<td id="2477A325FFF20047EC16D013FAA04D23" box="[1301,1333,302,327]" gridcol="7" gridrow="2" pageId="39" pageNumber="240">SD</td>
|
||
<td id="2477A325FFF20047EC64D013FA154D23" box="[1383,1408,302,327]" gridcol="8" gridrow="2" pageId="39" pageNumber="240">n</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D06EFA154D08" box="[166,1408,339,364]" gridrow="3" pageId="39" pageNumber="240">
|
||
<th id="2477A325FFF20047E9A5D06EFDBE4D08" box="[166,555,339,364]" gridcol="0" gridrow="3" pageId="39" pageNumber="240">
|
||
<emphasis id="EBE21409FFF2FF9FE9A5D06EFE9F4D08" bold="true" box="[166,266,339,364]" pageId="39" pageNumber="240">Diactines</emphasis>
|
||
231.7
|
||
</th>
|
||
<td id="2477A325FFF20047EB53D06EFD254D08" box="[592,688,339,364]" gridcol="1" gridrow="3" pageId="39" pageNumber="240">513.8</td>
|
||
<td id="2477A325FFF20047EBCAD06EFC974D08" box="[713,770,339,364]" gridcol="2" gridrow="3" pageId="39" pageNumber="240">979.4</td>
|
||
<td id="2477A325FFF20047EA40D06EFCE94D08" box="[835,892,339,364]" gridcol="3" gridrow="3" pageId="39" pageNumber="240">168.2</td>
|
||
<td id="2477A325FFF20047EABED06EFC6D4D08" box="[957,1016,339,364]" gridcol="4" gridrow="3" pageId="39" pageNumber="240">7.5</td>
|
||
<td id="2477A325FFF20047ED33D06EFBFF4D08" box="[1072,1130,339,364]" gridcol="5" gridrow="3" pageId="39" pageNumber="240">15.0</td>
|
||
<td id="2477A325FFF20047EDA1D06EFB454D08" box="[1186,1232,339,364]" gridcol="6" gridrow="3" pageId="39" pageNumber="240">25.8</td>
|
||
<td id="2477A325FFF20047EC16D06EFAA04D08" box="[1301,1333,339,364]" gridcol="7" gridrow="3" pageId="39" pageNumber="240">4.0</td>
|
||
<td id="2477A325FFF20047EC64D06EFA154D08" box="[1383,1408,339,364]" gridcol="8" gridrow="3" pageId="39" pageNumber="240">30</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D044FA154DF6" box="[166,1408,377,402]" gridrow="4" pageId="39" pageNumber="240">
|
||
<th id="2477A325FFF20047E9A5D044FDBE4DF6" box="[166,555,377,402]" gridcol="0" gridrow="4" pageId="39" pageNumber="240">Microdiactines I* 18.6</th>
|
||
<td id="2477A325FFF20047EB53D044FD254DF6" box="[592,688,377,402]" gridcol="1" gridrow="4" pageId="39" pageNumber="240">23.2</td>
|
||
<td id="2477A325FFF20047EBCAD044FC974DF6" box="[713,770,377,402]" gridcol="2" gridrow="4" pageId="39" pageNumber="240">26.1</td>
|
||
<td id="2477A325FFF20047EA40D044FCE94DF6" box="[835,892,377,402]" gridcol="3" gridrow="4" pageId="39" pageNumber="240">4.0</td>
|
||
<td id="2477A325FFF20047EABED044FC6D4DF6" box="[957,1016,377,402]" gridcol="4" gridrow="4" pageId="39" pageNumber="240">0.9</td>
|
||
<td id="2477A325FFF20047ED33D044FBFF4DF6" box="[1072,1130,377,402]" gridcol="5" gridrow="4" pageId="39" pageNumber="240">1.1</td>
|
||
<td id="2477A325FFF20047EDA1D044FB454DF6" box="[1186,1232,377,402]" gridcol="6" gridrow="4" pageId="39" pageNumber="240">1.2</td>
|
||
<td id="2477A325FFF20047EC16D044FAA04DF6" box="[1301,1333,377,402]" gridcol="7" gridrow="4" pageId="39" pageNumber="240">0.2</td>
|
||
<td id="2477A325FFF20047EC64D044FA154DF6" box="[1383,1408,377,402]" gridcol="8" gridrow="4" pageId="39" pageNumber="240">3</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D0A2FA154DDC" box="[166,1408,415,440]" gridrow="5" pageId="39" pageNumber="240">
|
||
<th id="2477A325FFF20047E9A5D0A2FDBE4DDC" box="[166,555,415,440]" gridcol="0" gridrow="5" pageId="39" pageNumber="240">Microdiactines II** 18.7</th>
|
||
<td id="2477A325FFF20047EB53D0A2FD254DDC" box="[592,688,415,440]" gridcol="1" gridrow="5" pageId="39" pageNumber="240">33.6</td>
|
||
<td id="2477A325FFF20047EBCAD0A2FC974DDC" box="[713,770,415,440]" gridcol="2" gridrow="5" pageId="39" pageNumber="240">54.2</td>
|
||
<td id="2477A325FFF20047EA40D0A2FCE94DDC" box="[835,892,415,440]" gridcol="3" gridrow="5" pageId="39" pageNumber="240">9.4</td>
|
||
<td id="2477A325FFF20047EABED0A2FC6D4DDC" box="[957,1016,415,440]" gridcol="4" gridrow="5" pageId="39" pageNumber="240">1.2</td>
|
||
<td id="2477A325FFF20047ED33D0A2FBFF4DDC" box="[1072,1130,415,440]" gridcol="5" gridrow="5" pageId="39" pageNumber="240">3.1</td>
|
||
<td id="2477A325FFF20047EDA1D0A2FB454DDC" box="[1186,1232,415,440]" gridcol="6" gridrow="5" pageId="39" pageNumber="240">6.7</td>
|
||
<td id="2477A325FFF20047EC16D0A2FAA04DDC" box="[1301,1333,415,440]" gridcol="7" gridrow="5" pageId="39" pageNumber="240">1.3</td>
|
||
<td id="2477A325FFF20047EC64D0A2FA154DDC" box="[1383,1408,415,440]" gridcol="8" gridrow="5" pageId="39" pageNumber="240">20</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D0F8FA154DBA" box="[166,1408,453,478]" gridrow="6" pageId="39" pageNumber="240">
|
||
<th id="2477A325FFF20047E9A5D0F8FA154DBA" box="[166,1408,453,478]" colspan="9" colspanRight="8" gridcol="0" gridrow="6" pageId="39" pageNumber="240">Cortical triactines</th>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D0D6FA154E60" box="[166,1408,491,516]" gridrow="7" pageId="39" pageNumber="240">
|
||
<th id="2477A325FFF20047E9A5D0D6FDBE4E60" box="[166,555,491,516]" gridcol="0" gridrow="7" pageId="39" pageNumber="240">Unpaired actines 69.2</th>
|
||
<td id="2477A325FFF20047EB53D0D6FD254E60" box="[592,688,491,516]" gridcol="1" gridrow="7" pageId="39" pageNumber="240">149.4</td>
|
||
<td id="2477A325FFF20047EBCAD0D6FC974E60" box="[713,770,491,516]" gridcol="2" gridrow="7" pageId="39" pageNumber="240">308.8</td>
|
||
<td id="2477A325FFF20047EA40D0D6FCE94E60" box="[835,892,491,516]" gridcol="3" gridrow="7" pageId="39" pageNumber="240">42.7</td>
|
||
<td id="2477A325FFF20047EABED0D6FC6D4E60" box="[957,1016,491,516]" gridcol="4" gridrow="7" pageId="39" pageNumber="240">4.7</td>
|
||
<td id="2477A325FFF20047ED33D0D6FBFF4E60" box="[1072,1130,491,516]" gridcol="5" gridrow="7" pageId="39" pageNumber="240">9.4</td>
|
||
<td id="2477A325FFF20047EDA1D0D6FB454E60" box="[1186,1232,491,516]" gridcol="6" gridrow="7" pageId="39" pageNumber="240">13.6</td>
|
||
<td id="2477A325FFF20047EC16D0D6FAA04E60" box="[1301,1333,491,516]" gridcol="7" gridrow="7" pageId="39" pageNumber="240">2.2</td>
|
||
<td id="2477A325FFF20047EC64D0D6FA154E60" box="[1383,1408,491,516]" gridcol="8" gridrow="7" pageId="39" pageNumber="240">30</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D32DFA154E4D" box="[166,1408,528,553]" gridrow="8" pageId="39" pageNumber="240" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D32DFDBE4E4D" box="[166,555,528,553]" gridcol="0" gridrow="8" pageId="39" pageNumber="240">Paired actines 83.3</th>
|
||
<td id="2477A325FFF20047EB53D32DFD254E4D" box="[592,688,528,553]" gridcol="1" gridrow="8" pageId="39" pageNumber="240">149.1</td>
|
||
<td id="2477A325FFF20047EBCAD32DFC974E4D" box="[713,770,528,553]" gridcol="2" gridrow="8" pageId="39" pageNumber="240">263.8</td>
|
||
<td id="2477A325FFF20047EA40D32DFCE94E4D" box="[835,892,528,553]" gridcol="3" gridrow="8" pageId="39" pageNumber="240">40.8</td>
|
||
<td id="2477A325FFF20047EABED32DFC6D4E4D" box="[957,1016,528,553]" gridcol="4" gridrow="8" pageId="39" pageNumber="240">4.7</td>
|
||
<td id="2477A325FFF20047ED33D32DFBFF4E4D" box="[1072,1130,528,553]" gridcol="5" gridrow="8" pageId="39" pageNumber="240">9.0</td>
|
||
<td id="2477A325FFF20047EDA1D32DFB454E4D" box="[1186,1232,528,553]" gridcol="6" gridrow="8" pageId="39" pageNumber="240">13.6</td>
|
||
<td id="2477A325FFF20047EC16D32DFAA04E4D" box="[1301,1333,528,553]" gridcol="7" gridrow="8" pageId="39" pageNumber="240">2.0</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D30BFA154E2B" box="[166,1408,566,591]" gridrow="9" pageId="39" pageNumber="240">
|
||
<th id="2477A325FFF20047E9A5D30BFA154E2B" box="[166,1408,566,591]" colspan="9" colspanRight="8" gridcol="0" gridrow="9" pageId="39" pageNumber="240">Chiactines</th>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D361FA154E11" box="[166,1408,604,629]" gridrow="10" pageId="39" pageNumber="240">
|
||
<th id="2477A325FFF20047E9A5D361FDBE4E11" box="[166,555,604,629]" gridcol="0" gridrow="10" pageId="39" pageNumber="240">Unpaired actines 199.0</th>
|
||
<td id="2477A325FFF20047EB53D361FD254E11" box="[592,688,604,629]" gridcol="1" gridrow="10" pageId="39" pageNumber="240">289.0</td>
|
||
<td id="2477A325FFF20047EBCAD361FC974E11" box="[713,770,604,629]" gridcol="2" gridrow="10" pageId="39" pageNumber="240">414.9</td>
|
||
<td id="2477A325FFF20047EA40D361FCE94E11" box="[835,892,604,629]" gridcol="3" gridrow="10" pageId="39" pageNumber="240">74.5</td>
|
||
<td id="2477A325FFF20047EABED361FC6D4E11" box="[957,1016,604,629]" gridcol="4" gridrow="10" pageId="39" pageNumber="240">6.6</td>
|
||
<td id="2477A325FFF20047ED33D361FBFF4E11" box="[1072,1130,604,629]" gridcol="5" gridrow="10" pageId="39" pageNumber="240">9.7</td>
|
||
<td id="2477A325FFF20047EDA1D361FB454E11" box="[1186,1232,604,629]" gridcol="6" gridrow="10" pageId="39" pageNumber="240">13.1</td>
|
||
<td id="2477A325FFF20047EC16D361FAA04E11" box="[1301,1333,604,629]" gridcol="7" gridrow="10" pageId="39" pageNumber="240">2.1</td>
|
||
<td id="2477A325FFF20047EC64D361FA154E11" box="[1383,1408,604,629]" gridcol="8" gridrow="10" pageId="39" pageNumber="240">15</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D3BFFA154EFF" box="[166,1408,642,667]" gridrow="11" pageId="39" pageNumber="240" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D3BFFDBE4EFF" box="[166,555,642,667]" gridcol="0" gridrow="11" pageId="39" pageNumber="240">Paired actines 108.3</th>
|
||
<td id="2477A325FFF20047EB53D3BFFD254EFF" box="[592,688,642,667]" gridcol="1" gridrow="11" pageId="39" pageNumber="240">142.4</td>
|
||
<td id="2477A325FFF20047EBCAD3BFFC974EFF" box="[713,770,642,667]" gridcol="2" gridrow="11" pageId="39" pageNumber="240">214.2</td>
|
||
<td id="2477A325FFF20047EA40D3BFFCE94EFF" box="[835,892,642,667]" gridcol="3" gridrow="11" pageId="39" pageNumber="240">28.7</td>
|
||
<td id="2477A325FFF20047EABED3BFFC6D4EFF" box="[957,1016,642,667]" gridcol="4" gridrow="11" pageId="39" pageNumber="240">8.6</td>
|
||
<td id="2477A325FFF20047ED33D3BFFBFF4EFF" box="[1072,1130,642,667]" gridcol="5" gridrow="11" pageId="39" pageNumber="240">11.1</td>
|
||
<td id="2477A325FFF20047EDA1D3BFFB454EFF" box="[1186,1232,642,667]" gridcol="6" gridrow="11" pageId="39" pageNumber="240">14.5</td>
|
||
<td id="2477A325FFF20047EC16D3BFFAA04EFF" box="[1301,1333,642,667]" gridcol="7" gridrow="11" pageId="39" pageNumber="240">1.6</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D395FA154EA5" box="[166,1408,680,705]" gridrow="12" pageId="39" pageNumber="240" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D395FDBE4EA5" box="[166,555,680,705]" gridcol="0" gridrow="12" pageId="39" pageNumber="240">Apical actines 39.5</th>
|
||
<td id="2477A325FFF20047EB53D395FD254EA5" box="[592,688,680,705]" gridcol="1" gridrow="12" pageId="39" pageNumber="240">69.4</td>
|
||
<td id="2477A325FFF20047EBCAD395FC974EA5" box="[713,770,680,705]" gridcol="2" gridrow="12" pageId="39" pageNumber="240">84.3</td>
|
||
<td id="2477A325FFF20047EA40D395FCE94EA5" box="[835,892,680,705]" gridcol="3" gridrow="12" pageId="39" pageNumber="240">13.3</td>
|
||
<td id="2477A325FFF20047EABED395FC6D4EA5" box="[957,1016,680,705]" gridcol="4" gridrow="12" pageId="39" pageNumber="240">6.4</td>
|
||
<td id="2477A325FFF20047ED33D395FBFF4EA5" box="[1072,1130,680,705]" gridcol="5" gridrow="12" pageId="39" pageNumber="240">8.0</td>
|
||
<td id="2477A325FFF20047EDA1D395FB454EA5" box="[1186,1232,680,705]" gridcol="6" gridrow="12" pageId="39" pageNumber="240">9.8</td>
|
||
<td id="2477A325FFF20047EC16D395FAA04EA5" box="[1301,1333,680,705]" gridcol="7" gridrow="12" pageId="39" pageNumber="240">1.0</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D3F0FA154E82" box="[166,1408,717,742]" gridrow="13" pageId="39" pageNumber="240">
|
||
<th id="2477A325FFF20047E9A5D3F0FA154E82" box="[166,1408,717,742]" colspan="9" colspanRight="8" gridcol="0" gridrow="13" pageId="39" pageNumber="240">
|
||
<emphasis id="EBE21409FFF2FF9FE9A5D3F3FC8E4E82" bold="true" box="[166,795,717,742]" pageId="39" pageNumber="240">
|
||
Measurements from the original description (
|
||
<bibRefCitation id="BD07B5EAFFF2FF9FEB8CD3F0FC814E82" author="Jenkin, C. F." box="[655,788,717,742]" pageId="39" pageNumber="240" pagination="1 - 49" refId="ref27105" refString="Jenkin, C. F. (1908) Porifera. III. Calcarea. National Antarctic Expedition, 1901 - 1904, Natural History, 4, Zoology, 1 - 49, pls. XXVII-XXXVIII." type="journal article" year="1908">Jenkin 1908</bibRefCitation>
|
||
)
|
||
</emphasis>
|
||
</th>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D3CEFA154F68" box="[166,1408,755,780]" gridrow="14" pageId="39" pageNumber="240" rowspan-2="1" rowspan-3="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D3CEFD254F68" box="[166,688,755,780]" colspan="2" colspanRight="1" gridcol="0" gridrow="14" pageId="39" pageNumber="240">Length (µm)</th>
|
||
<td id="2477A325FFF20047EABED3CEFBFF4F68" box="[957,1130,755,780]" colspan="2" colspanRight="1" gridcol="4" gridrow="14" pageId="39" pageNumber="240">Width (µm)</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D224FA154F56" box="[166,1408,793,818]" gridrow="15" pageId="39" pageNumber="240" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D224FDBE4F56" box="[166,555,793,818]" gridcol="0" gridrow="15" pageId="39" pageNumber="240">Diactines I 550-950</th>
|
||
<td id="2477A325FFF20047EABED224FC6D4F56" box="[957,1016,793,818]" gridcol="4" gridrow="15" pageId="39" pageNumber="240">20-28</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D202FA154F3C" box="[166,1408,831,856]" gridrow="16" pageId="39" pageNumber="240" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D202FDBE4F3C" box="[166,555,831,856]" gridcol="0" gridrow="16" pageId="39" pageNumber="240">Diactines II* 50</th>
|
||
<td id="2477A325FFF20047EABED202FC6D4F3C" box="[957,1016,831,856]" gridcol="4" gridrow="16" pageId="39" pageNumber="240">1.2</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D258FA154F1A" box="[166,1408,869,894]" gridrow="17" pageId="39" pageNumber="240" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D258FDBE4F1A" box="[166,555,869,894]" gridcol="0" gridrow="17" pageId="39" pageNumber="240">Diactines III** 55</th>
|
||
<td id="2477A325FFF20047EABED258FC6D4F1A" box="[957,1016,869,894]" gridcol="4" gridrow="17" pageId="39" pageNumber="240">4-5</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D2B7FA154FC7" box="[166,1408,906,931]" gridrow="18" pageId="39" pageNumber="240">
|
||
<th id="2477A325FFF20047E9A5D2B7FA154FC7" box="[166,1408,906,931]" colspan="9" colspanRight="8" gridcol="0" gridrow="18" pageId="39" pageNumber="240">
|
||
<emphasis id="EBE21409FFF2FF9FE9A5D2B7FEFF4FC7" bold="true" box="[166,362,906,931]" pageId="39" pageNumber="240">Cortical triactines</emphasis>
|
||
</th>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D28DFA154FAD" box="[166,1408,944,969]" gridrow="19" pageId="39" pageNumber="240" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D28DFDBE4FAD" box="[166,555,944,969]" gridcol="0" gridrow="19" pageId="39" pageNumber="240">Unpaired actines 110-220</th>
|
||
<td id="2477A325FFF20047EABED28DFC6D4FAD" box="[957,1016,944,969]" gridcol="4" gridrow="19" pageId="39" pageNumber="240">8-12</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D2EBFA154F8B" box="[166,1408,982,1007]" gridrow="20" pageId="39" pageNumber="240" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-4="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D2EBFDBE4F8B" box="[166,555,982,1007]" gridcol="0" gridrow="20" pageId="39" pageNumber="240">Paired actines</th>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D2C6FA154870" box="[166,1408,1019,1044]" gridrow="21" pageId="39" pageNumber="240">
|
||
<th id="2477A325FFF20047E9A5D2C6FA154870" box="[166,1408,1019,1044]" colspan="9" colspanRight="8" gridcol="0" gridrow="21" pageId="39" pageNumber="240">
|
||
<emphasis id="EBE21409FFF2FF9FE9A5D2C6FEC74870" bold="true" box="[166,338,1019,1044]" pageId="39" pageNumber="240">Atrial triactines</emphasis>
|
||
</th>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D51FFA15485F" box="[166,1408,1058,1083]" gridrow="22" pageId="39" pageNumber="240" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D51FFDBE485F" box="[166,555,1058,1083]" gridcol="0" gridrow="22" pageId="39" pageNumber="240">Unpaired actines 400-500</th>
|
||
<td id="2477A325FFF20047EABED51FFC6D485F" box="[957,1016,1058,1083]" gridcol="4" gridrow="22" pageId="39" pageNumber="240">12</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D57AFA154804" box="[166,1408,1095,1120]" gridrow="23" pageId="39" pageNumber="240" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-4="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D57AFDBE4804" box="[166,555,1095,1120]" gridcol="0" gridrow="23" pageId="39" pageNumber="240">Paired actines</th>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D550FA1548E2" box="[166,1408,1133,1158]" gridrow="24" pageId="39" pageNumber="240">
|
||
<th id="2477A325FFF20047E9A5D550FA1548E2" box="[166,1408,1133,1158]" colspan="9" colspanRight="8" gridcol="0" gridrow="24" pageId="39" pageNumber="240">
|
||
<emphasis id="EBE21409FFF2FF9FE9A5D550FE8D48E2" bold="true" box="[166,280,1133,1158]" pageId="39" pageNumber="240">Chiactines</emphasis>
|
||
</th>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D5AEFA1548C8" box="[166,1408,1171,1196]" gridrow="25" pageId="39" pageNumber="240" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D5AEFDBE48C8" box="[166,555,1171,1196]" gridcol="0" gridrow="25" pageId="39" pageNumber="240">Unpaired actines 300-500</th>
|
||
<td id="2477A325FFF20047EABED5AEFC6D48C8" box="[957,1016,1171,1196]" gridcol="4" gridrow="25" pageId="39" pageNumber="240">11-12</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D584FA1548B6" box="[166,1408,1209,1234]" gridrow="26" pageId="39" pageNumber="240" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D584FDBE48B6" box="[166,555,1209,1234]" gridcol="0" gridrow="26" pageId="39" pageNumber="240">Paired actines 120-160</th>
|
||
<td id="2477A325FFF20047EABED584FC6D48B6" box="[957,1016,1209,1234]" gridcol="4" gridrow="26" pageId="39" pageNumber="240">10-12</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D5E2FA15489C" box="[166,1408,1247,1272]" gridrow="27" pageId="39" pageNumber="240" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D5E2FDBE489C" box="[166,555,1247,1272]" gridcol="0" gridrow="27" pageId="39" pageNumber="240">Apical actines 100</th>
|
||
<td id="2477A325FFF20047EABED5E2FC6D489C" box="[957,1016,1247,1272]" gridcol="4" gridrow="27" pageId="39" pageNumber="240">8</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D439FA154979" box="[166,1408,1284,1309]" gridrow="28" pageId="39" pageNumber="240" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D439FDBE4979" box="[166,555,1284,1309]" gridcol="0" gridrow="28" pageId="39" pageNumber="240">Oscular diactines I*** 330</th>
|
||
<td id="2477A325FFF20047EABED439FC6D4979" box="[957,1016,1284,1309]" gridcol="4" gridrow="28" pageId="39" pageNumber="240">20</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D417FA154927" box="[166,1408,1322,1347]" gridrow="29" pageId="39" pageNumber="240" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D417FDBE4927" box="[166,555,1322,1347]" gridcol="0" gridrow="29" pageId="39" pageNumber="240">Oscular diactines II† 100-200</th>
|
||
<td id="2477A325FFF20047EABED417FC6D4927" box="[957,1016,1322,1347]" gridcol="4" gridrow="29" pageId="39" pageNumber="240">1-3</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D472FA15490C" box="[166,1408,1359,1384]" gridrow="30" pageId="39" pageNumber="240">
|
||
<th id="2477A325FFF20047E9A5D472FA15490C" box="[166,1408,1359,1384]" colspan="9" colspanRight="8" gridcol="0" gridrow="30" pageId="39" pageNumber="240">
|
||
<emphasis id="EBE21409FFF2FF9FE9A5D472FE26490C" bold="true" box="[166,435,1359,1384]" pageId="39" pageNumber="240">Oscular small tetractines</emphasis>
|
||
</th>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D44BFA1549EB" box="[166,1408,1398,1423]" gridrow="31" pageId="39" pageNumber="240" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D44BFDBE49EB" box="[166,555,1398,1423]" gridcol="0" gridrow="31" pageId="39" pageNumber="240">Unpaired actines 50-90</th>
|
||
<td id="2477A325FFF20047EABED44BFC6D49EB" box="[957,1016,1398,1423]" gridcol="4" gridrow="31" pageId="39" pageNumber="240">6</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D4A6FA1549D0" box="[166,1408,1435,1460]" gridrow="32" pageId="39" pageNumber="240" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D4A6FDBE49D0" box="[166,555,1435,1460]" gridcol="0" gridrow="32" pageId="39" pageNumber="240">Paired actines 30-60</th>
|
||
<td id="2477A325FFF20047EABED4A6FC6D49D0" box="[957,1016,1435,1460]" gridcol="4" gridrow="32" pageId="39" pageNumber="240">5</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D4FCFA1549BE" box="[166,1408,1473,1498]" gridrow="33" pageId="39" pageNumber="240" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D4FCFDBE49BE" box="[166,555,1473,1498]" gridcol="0" gridrow="33" pageId="39" pageNumber="240">Apical actines 20</th>
|
||
<td id="2477A325FFF20047EABED4FCFC6D49BE" box="[957,1016,1473,1498]" gridcol="4" gridrow="33" pageId="39" pageNumber="240">5</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D4DAFA154A64" box="[166,1408,1511,1536]" gridrow="34" pageId="39" pageNumber="240">
|
||
<th id="2477A325FFF20047E9A5D4DAFA154A64" box="[166,1408,1511,1536]" colspan="9" colspanRight="8" gridcol="0" gridrow="34" pageId="39" pageNumber="240">
|
||
<emphasis id="EBE21409FFF2FF9FE9A5D4DAFE244A64" bold="true" box="[166,433,1511,1536]" pageId="39" pageNumber="240">Oscular large tetractines</emphasis>
|
||
</th>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D730FA154A42" box="[166,1408,1549,1574]" gridrow="35" pageId="39" pageNumber="240" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D730FDBE4A42" box="[166,555,1549,1574]" gridcol="0" gridrow="35" pageId="39" pageNumber="240">Unpaired actines 200</th>
|
||
<td id="2477A325FFF20047EABED730FC6D4A42" box="[957,1016,1549,1574]" gridcol="4" gridrow="35" pageId="39" pageNumber="240">7-9</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D70EFA154A28" box="[166,1408,1587,1612]" gridrow="36" pageId="39" pageNumber="240" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D70EFDBE4A28" box="[166,555,1587,1612]" gridcol="0" gridrow="36" pageId="39" pageNumber="240">Paired actines 110-130</th>
|
||
<td id="2477A325FFF20047EABED70EFC6D4A28" box="[957,1016,1587,1612]" gridcol="4" gridrow="36" pageId="39" pageNumber="240">9</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF20047E9A5D765FA154A15" box="[166,1408,1624,1649]" gridrow="37" pageId="39" pageNumber="240" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
|
||
<th id="2477A325FFF20047E9A5D765FDBE4A15" box="[166,555,1624,1649]" gridcol="0" gridrow="37" pageId="39" pageNumber="240">Apical actines 50-70</th>
|
||
<td id="2477A325FFF20047EABED765FC6D4A15" box="[957,1016,1624,1649]" gridcol="4" gridrow="37" pageId="39" pageNumber="240">10-13</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
<tableNote id="2470C995FFF2FF9FE994D7BCFD464B61" pageId="39" pageNumber="240" targetBox="[166,1408,226,1649]" targetPageId="39">
|
||
<paragraph id="D929C81BFFF2FF9FE994D7BCFCD64AFD" blockId="39.[151,860,1665,1797]" box="[151,835,1665,1689]" pageId="39" pageNumber="240">(*) Diactines II = Microdiactines I. Straight, refringent and thin.</paragraph>
|
||
<paragraph id="D929C81BFFF2FF9FE994D798FCC94AD9" blockId="39.[151,860,1665,1797]" box="[151,860,1701,1725]" pageId="39" pageNumber="240">(**) Diactines III = Microdiactines II. Curved, hastate and thicker.</paragraph>
|
||
<paragraph id="D929C81BFFF2FF9FE994D7F4FDBC4A85" blockId="39.[151,860,1665,1797]" box="[151,553,1737,1761]" pageId="39" pageNumber="240">(***) Same as diactines I but smaller.</paragraph>
|
||
<paragraph id="D929C81BFFF2FF9FE994D7D1FD464B61" blockId="39.[151,860,1665,1797]" box="[151,723,1772,1797]" pageId="39" pageNumber="240">
|
||
<emphasis id="EBE21409FFF2FF9FE994D7D1FF224B60" bold="true" box="[151,183,1772,1796]" pageId="39" pageNumber="240">(†)</emphasis>
|
||
Similar to microdiactines I but longer and thinner.
|
||
</paragraph>
|
||
</tableNote>
|
||
<paragraph id="D929C81BFFF2FF9FE9C4D60EFDD54B15" blockId="39.[151,1436,1843,2013]" pageId="39" pageNumber="240">
|
||
<emphasis id="EBE21409FFF2FF9FE9C4D60EFE1C4B29" box="[199,393,1843,1869]" italics="true" pageId="39" pageNumber="240">Microdiactines II</emphasis>
|
||
: small, curved, hastate and strongly spined diactines. Size: 33.6 ±
|
||
<quantity id="1E6E65FEFFF2FF9FED64D60EFB234B29" box="[1127,1206,1843,1869]" metricMagnitude="-3" metricUnit="m" metricValue="9.4" pageId="39" pageNumber="240" unit="mm" value="9.4">9.4 µm</quantity>
|
||
length, 3.1 ±
|
||
<quantity id="1E6E65FEFFF2FF9FEC4ED60EFA094B29" box="[1357,1436,1843,1869]" metricMagnitude="-3" metricUnit="m" metricValue="1.3" pageId="39" pageNumber="240" unit="mm" value="1.3">1.3 µm</quantity>
|
||
width (
|
||
<figureCitation id="41ADD49EFFF2FF9FE9E5D66AFEAC4B15" box="[230,313,1879,1905]" captionStart="FIGURE 17" captionStartId="38.[151,250,1829,1854]" captionTargetBox="[251,1337,166,1809]" captionTargetId="figure@38.[251,1337,166,1809]" captionTargetPageId="38" captionText="FIGURE 17A–H. Megapogon crispatus. A: preserved holotype BMNH-1907.8.6.131. B: histological section including the oscular region. C: histological section including cortical layer, choanosome and atrial cavity. D: histological section including cortical layer and oscular region. E: SEM image of cortical layer. F: histological section of a choanosome chamber. G–H: LM and SEM images of diactines, showing details of the distal ends. Abbreviations: Apa = apical actines of tetractines; At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; MicI = microdiactines I; MicII = microdiactines II; Inc = inhalant cavity; Tet = tetractines." httpUri="https://zenodo.org/record/3244664/files/figure.png" pageId="39" pageNumber="240">Figs 17</figureCitation>
|
||
E–17F, 17H;
|
||
<tableCitation id="9414FDA0FFF2FF9FE8CCD66AFDA64B15" box="[463,563,1879,1905]" captionStart="TABLE 13" captionStartId="39.[151,239,154,178]" captionTargetPageId="39" captionText="TABLE 13. Spicule measurements from the holotype of Megapogon crispatus (holotype BMNH-1907.8.6.131). Measurements from the original description by Jenkin (1908) are included below." httpUri="http://table.plazi.org/id/8DE99893FFF2FF9FE994D1A7FC514CB2" pageId="39" pageNumber="240" tableUuid="8DE99893FFF2FF9FE994D1A7FC514CB2">Table 13</tableCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="D929C81BFFF2FF9FE9C4D646FAE04BDD" blockId="39.[151,1436,1843,2013]" pageId="39" pageNumber="240">
|
||
<emphasis id="EBE21409FFF2FF9FE9C4D646FE004BF1" box="[199,405,1915,1941]" italics="true" pageId="39" pageNumber="240">Cortical triactines</emphasis>
|
||
: almost regular with straight and sharply pointed actines. Size: unpaired actines 149.4 ±
|
||
<quantity id="1E6E65FEFFF2FF9FEC68D646FF284BDD" metricMagnitude="-2" metricUnit="m" metricValue="4.27" pageId="39" pageNumber="240" unit="mm" value="42.7">42.7 µm</quantity>
|
||
length, 9.4 ±
|
||
<quantity id="1E6E65FEFFF2FF9FE85BD6A2FE3D4BDD" box="[344,424,1951,1977]" metricMagnitude="-3" metricUnit="m" metricValue="2.2" pageId="39" pageNumber="240" unit="mm" value="2.2">2.2 µm</quantity>
|
||
width; paired actines 149.1 ±
|
||
<quantity id="1E6E65FEFFF2FF9FEBFFD6A2FCCF4BDD" box="[764,858,1951,1977]" metricMagnitude="-2" metricUnit="m" metricValue="4.08" pageId="39" pageNumber="240" unit="mm" value="40.8">40.8 µm</quantity>
|
||
length, 9.0 ± 2.0 µm width (
|
||
<figureCitation id="41ADD49EFFF2FF9FED98D6A2FB6C4BDD" box="[1179,1273,1951,1977]" captionStart="FIGURE 17" captionStartId="38.[151,250,1829,1854]" captionTargetBox="[251,1337,166,1809]" captionTargetId="figure@38.[251,1337,166,1809]" captionTargetPageId="38" captionText="FIGURE 17A–H. Megapogon crispatus. A: preserved holotype BMNH-1907.8.6.131. B: histological section including the oscular region. C: histological section including cortical layer, choanosome and atrial cavity. D: histological section including cortical layer and oscular region. E: SEM image of cortical layer. F: histological section of a choanosome chamber. G–H: LM and SEM images of diactines, showing details of the distal ends. Abbreviations: Apa = apical actines of tetractines; At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; MicI = microdiactines I; MicII = microdiactines II; Inc = inhalant cavity; Tet = tetractines." httpUri="https://zenodo.org/record/3244664/files/figure.png" pageId="39" pageNumber="240">Fig 17E</figureCitation>
|
||
;
|
||
<tableCitation id="9414FDA0FFF2FF9FEC07D6A2FAFD4BDD" box="[1284,1384,1951,1977]" captionStart="TABLE 13" captionStartId="39.[151,239,154,178]" captionTargetPageId="39" captionText="TABLE 13. Spicule measurements from the holotype of Megapogon crispatus (holotype BMNH-1907.8.6.131). Measurements from the original description by Jenkin (1908) are included below." httpUri="http://table.plazi.org/id/8DE99893FFF2FF9FE994D1A7FC514CB2" pageId="39" pageNumber="240" tableUuid="8DE99893FFF2FF9FE994D1A7FC514CB2">Table 13</tableCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="D929C81BFFF2FF9FE9C4D6FEFAE84BB9" blockId="39.[151,1436,1843,2013]" box="[199,1405,1987,2013]" pageId="39" pageNumber="240">
|
||
<emphasis id="EBE21409FFF2FF9FE9C4D6FEFEEF4BB9" box="[199,378,1987,2013]" italics="true" pageId="39" pageNumber="240">Atrial triactines</emphasis>
|
||
: alate with straight and sharply pointed actines. Measurements not available (see
|
||
<tableCitation id="9414FDA0FFF2FF9FEC0FD6FEFAE54BB9" box="[1292,1392,1987,2013]" captionStart="TABLE 13" captionStartId="39.[151,239,154,178]" captionTargetPageId="39" captionText="TABLE 13. Spicule measurements from the holotype of Megapogon crispatus (holotype BMNH-1907.8.6.131). Measurements from the original description by Jenkin (1908) are included below." httpUri="http://table.plazi.org/id/8DE99893FFF2FF9FE994D1A7FC514CB2" pageId="39" pageNumber="240" tableUuid="8DE99893FFF2FF9FE994D1A7FC514CB2">Table 13</tableCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="D929C81BFFFDFF90E9C4D1A4FAD04CB3" blockId="40.[151,1437,152,575]" pageId="40" pageNumber="241">
|
||
<emphasis id="EBE21409FFFDFF90E9C4D1A4FEAA4CD7" box="[199,319,153,179]" italics="true" pageId="40" pageNumber="241">Chiactines</emphasis>
|
||
: Size: unpaired actines 289.0 ±
|
||
<quantity id="1E6E65FEFFFDFF90EBA6D1A5FC964CD7" box="[677,771,152,179]" metricMagnitude="-2" metricUnit="m" metricValue="7.45" pageId="40" pageNumber="241" unit="mm" value="74.5">74.5 µm</quantity>
|
||
length, 9.7 ±
|
||
<quantity id="1E6E65FEFFFDFF90EA9ED1A4FC784CD7" box="[925,1005,153,179]" metricMagnitude="-3" metricUnit="m" metricValue="2.1" pageId="40" pageNumber="241" unit="mm" value="2.1">2.1 µm</quantity>
|
||
width; paired actines 142.4 ±
|
||
<quantity id="1E6E65FEFFFDFF90EC3CD1A4FA094CD7" box="[1343,1436,153,179]" metricMagnitude="-2" metricUnit="m" metricValue="2.87" pageId="40" pageNumber="241" unit="mm" value="28.7">28.7 µm</quantity>
|
||
length, 11.1 ±
|
||
<quantity id="1E6E65FEFFFDFF90E83BD180FE1D4CB3" box="[312,392,189,215]" metricMagnitude="-3" metricUnit="m" metricValue="1.6" pageId="40" pageNumber="241" unit="mm" value="1.6">1.6 µm</quantity>
|
||
width; apical actines 69.4 ±
|
||
<quantity id="1E6E65FEFFFDFF90EBC8D180FCBC4CB3" box="[715,809,189,215]" metricMagnitude="-2" metricUnit="m" metricValue="1.33" pageId="40" pageNumber="241" unit="mm" value="13.3">13.3 µm</quantity>
|
||
length, 8.0 ± 1.0 µm width (
|
||
<figureCitation id="41ADD49EFFFDFF90ED69D180FB5C4CB3" box="[1130,1225,189,215]" captionStart="FIGURE 17" captionStartId="38.[151,250,1829,1854]" captionTargetBox="[251,1337,166,1809]" captionTargetId="figure@38.[251,1337,166,1809]" captionTargetPageId="38" captionText="FIGURE 17A–H. Megapogon crispatus. A: preserved holotype BMNH-1907.8.6.131. B: histological section including the oscular region. C: histological section including cortical layer, choanosome and atrial cavity. D: histological section including cortical layer and oscular region. E: SEM image of cortical layer. F: histological section of a choanosome chamber. G–H: LM and SEM images of diactines, showing details of the distal ends. Abbreviations: Apa = apical actines of tetractines; At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; MicI = microdiactines I; MicII = microdiactines II; Inc = inhalant cavity; Tet = tetractines." httpUri="https://zenodo.org/record/3244664/files/figure.png" pageId="40" pageNumber="241">Fig 17C</figureCitation>
|
||
;
|
||
<tableCitation id="9414FDA0FFFDFF90EDD7D180FAAD4CB3" box="[1236,1336,189,215]" captionStart="TABLE 13" captionStartId="39.[151,239,154,178]" captionTargetPageId="39" captionText="TABLE 13. Spicule measurements from the holotype of Megapogon crispatus (holotype BMNH-1907.8.6.131). Measurements from the original description by Jenkin (1908) are included below." httpUri="http://table.plazi.org/id/8DE99893FFF2FF9FE994D1A7FC514CB2" pageId="40" pageNumber="241" tableUuid="8DE99893FFF2FF9FE994D1A7FC514CB2">Table 13</tableCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="918C9B90FFFDFF90E9C4D1DDFD064D27" pageId="40" pageNumber="241" type="distribution">
|
||
<paragraph id="D929C81BFFFDFF90E9C4D1DDFBC14D7B" blockId="40.[151,1437,152,575]" pageId="40" pageNumber="241">
|
||
<emphasis id="EBE21409FFFDFF90E9C4D1DDFE774C9F" bold="true" box="[199,482,224,251]" pageId="40" pageNumber="241">Distribution and depth.</emphasis>
|
||
The species has been found in shallow waters, in two different localities around the Antarctic; stations Winter Quarters (
|
||
<bibRefCitation id="BD07B5EAFFFDFF90EB2ED038FD2D4D7B" author="Jenkin, C. F." box="[557,696,261,287]" pageId="40" pageNumber="241" pagination="1 - 49" refId="ref27105" refString="Jenkin, C. F. (1908) Porifera. III. Calcarea. National Antarctic Expedition, 1901 - 1904, Natural History, 4, Zoology, 1 - 49, pls. XXVII-XXXVIII." type="journal article" year="1908">Jenkin 1908</bibRefCitation>
|
||
) and Gauss-station (Brønsted 1931).
|
||
</paragraph>
|
||
<paragraph id="D929C81BFFFDFF90E9C4D014FD064D27" blockId="40.[151,1437,152,575]" box="[199,659,296,323]" pageId="40" pageNumber="241">
|
||
<emphasis id="EBE21409FFFDFF90E9C4D014FE7B4D27" bold="true" box="[199,494,296,323]" pageId="40" pageNumber="241">Molecular identification.</emphasis>
|
||
Not available.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="918C9B90FFFDFF90E9C4D070FD4E4E5B" pageId="40" pageNumber="241" type="discussion">
|
||
<paragraph id="D929C81BFFFDFF90E9C4D070FD4E4E5B" blockId="40.[151,1437,152,575]" pageId="40" pageNumber="241">
|
||
<emphasis id="EBE21409FFFDFF90E9C4D070FEAE4D03" bold="true" box="[199,315,333,359]" pageId="40" pageNumber="241">Remarks.</emphasis>
|
||
<taxonomicName id="1E96B398FFFDFF90E841D073FE5B4D03" authorityName=", Burton" authorityYear="1963" box="[322,462,334,359]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="40" pageNumber="241" phylum="Porifera" rank="species" species="crispatus">
|
||
<emphasis id="EBE21409FFFDFF90E841D073FE5B4D03" box="[322,462,334,359]" italics="true" pageId="40" pageNumber="241">M. crispatus</emphasis>
|
||
</taxonomicName>
|
||
has a characteristic surface due to the curved diactines, which also present a distinctive shape with a knob on the distal end. This character seems to be constant because both specimens examined present the same
|
||
<typeStatus id="062D76B9FFFDFF90E800D0A8FEA64DCB" box="[259,307,405,431]" pageId="40" pageNumber="241">type</typeStatus>
|
||
of diactines in the cortex. Also, the presence of a second
|
||
<typeStatus id="062D76B9FFFDFF90EAC4D0A8FC624DCB" box="[967,1015,405,431]" pageId="40" pageNumber="241">type</typeStatus>
|
||
of microdiactines with spines is also characteristic of the species and has not been reported in other
|
||
<taxonomicName id="1E96B398FFFDFF90EA64D087FC784DB7" authorityName="Jenkin" authorityYear="1908" box="[871,1005,442,467]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="40" pageNumber="241" phylum="Porifera" rank="genus">
|
||
<emphasis id="EBE21409FFFDFF90EA64D087FC784DB7" box="[871,1005,442,467]" italics="true" pageId="40" pageNumber="241">Megapogon</emphasis>
|
||
</taxonomicName>
|
||
spp.
|
||
<bibRefCitation id="BD07B5EAFFFDFF90ED2FD084FB5D4DB7" author="Jenkin, C. F." box="[1068,1224,441,467]" pageId="40" pageNumber="241" pagination="1 - 49" refId="ref27105" refString="Jenkin, C. F. (1908) Porifera. III. Calcarea. National Antarctic Expedition, 1901 - 1904, Natural History, 4, Zoology, 1 - 49, pls. XXVII-XXXVIII." type="journal article" year="1908">Jenkin (1908)</bibRefCitation>
|
||
also described the spicules found in the oscular region: two categories of diactines which are similar to the cortical diactines I and II; and two size categories of tetractines. However, we could not measure the spicules of the oscular region because they were difficult to find in the slides and sections.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |