563 lines
72 KiB
XML
563 lines
72 KiB
XML
<document id="E78C6723CE08358113D26221785306BE" 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="513F790DFFF6FF9DE994D1A7FCAC4F8B" 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 pollicaris" docType="treatment" docVersion="14" lastPageNumber="238" masterDocId="AD060175FFD5FFB8E903D13DFF954C64" masterDocTitle="Description of new chiactine-bearing sponges provides insights into the higher classification of Calcaronea (Porifera: Calcarea)" masterLastPageNumber="251" masterPageNumber="201" pageNumber="236" updateTime="1698735438809" updateUser="ExternalLinkService">
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<mods:mods id="64462C3276D05192317E8BDE74BE8728" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="9840DA04A10B731EF018A39B01120D0D">
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<mods:title id="ADCDEC72B5BB71704D09865E51438BF4">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="6AECEE9F56268FF9A260B93875A922EF" type="personal">
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<mods:namePart id="AB45F92938F06B05046DADF2CFED0FA3">Alvizu, Adriana</mods:namePart>
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<mods:namePart id="EAADE176090CBFFAC36AE5F578473708">Xavier, Joana R.</mods:namePart>
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<mods:name id="BF041165ACEF76F308592B1B2D121063" type="personal">
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<mods:roleTerm id="7008F9ADA314E4CCE3095D9CC7CBDA1D">Author</mods:roleTerm>
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<mods:namePart id="4E32A5AB857A8B58EFA5952354F783E7">Rapp, Hans Tore</mods:namePart>
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<mods:typeOfResource id="F8BA9FE5A337ABFA8B0BCA49F1BE1A64">text</mods:typeOfResource>
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<mods:title id="1620D23C948937908E774BDB73C54EB7">Zootaxa</mods:title>
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<mods:part id="223677200C8BE4248B037F56FE5B5ADC">
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<mods:date id="FFFEEBF2577341679344CBD86CB902CE">2019</mods:date>
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<mods:number id="EB178FA272A1D62E87B8B01E2E76A772">2019-06-13</mods:number>
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<mods:number id="05D7CA103A4456DEBEAA07E3D25BD91D">4615</mods:number>
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<mods:number id="452B4B3CA680388A15869291E8A70767">2</mods:number>
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<mods:classification id="B01479309A75497DE110AC7FC2A3540A">journal article</mods:classification>
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<treatment id="513F790DFFF6FF9DE994D1A7FCAC4F8B" ID-DOI="http://doi.org/10.5281/zenodo.5584077" ID-GBIF-Taxon="157533034" ID-Zenodo-Dep="5584077" LSID="urn:lsid:plazi:treatment:513F790DFFF6FF9DE994D1A7FCAC4F8B" httpUri="http://treatment.plazi.org/id/513F790DFFF6FF9DE994D1A7FCAC4F8B" lastPageId="37" lastPageNumber="238" pageId="35" pageNumber="236">
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<subSubSection id="918C9B90FFF6FF9BE994D1A7FDC24CD7" box="[151,599,153,180]" pageId="35" pageNumber="236" type="nomenclature">
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<paragraph id="D929C81BFFF6FF9BE994D1A7FDC24CD7" blockId="35.[151,599,153,215]" box="[151,599,153,180]" pageId="35" pageNumber="236">
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<heading id="82617F77FFF6FF9BE994D1A7FDC24CD7" bold="true" box="[151,599,153,180]" fontSize="11" level="1" pageId="35" pageNumber="236" reason="1">
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<taxonomicName id="1E96B398FFF6FF9BE994D1A7FDC24CD7" ID-CoL="6QW7M" authority="(Jenkin, 1908)" baseAuthorityName="Jenkin" baseAuthorityYear="1908" box="[151,599,153,180]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="35" pageNumber="236" phylum="Porifera" rank="species" species="pollicaris">
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<emphasis id="EBE21409FFF6FF9BE994D1A7FDC24CD7" bold="true" box="[151,599,153,180]" pageId="35" pageNumber="236">
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<emphasis id="EBE21409FFF6FF9BE994D1A7FE0B4CD0" bold="true" box="[151,414,153,180]" italics="true" pageId="35" pageNumber="236">Megapogon pollicaris</emphasis>
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(
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<bibRefCitation id="BD07B5EAFFF6FF9BE8ADD1A4FDDA4CD7" author="Jenkin, C. F." box="[430,591,153,179]" pageId="35" pageNumber="236" 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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)
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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="918C9B90FFF6FF9BE994D180FBD84D44" pageId="35" pageNumber="236" type="description">
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<paragraph id="D929C81BFFF6FF9BE994D180FE364CB3" blockId="35.[151,599,153,215]" box="[151,419,189,215]" pageId="35" pageNumber="236">
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(
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<figureCitation id="41ADD49EFFF6FF9BE99CD180FF664CB3" box="[159,243,189,215]" captionStart="FIGURE 16" captionStartId="36.[151,250,1871,1896]" captionTargetBox="[237,1351,166,1852]" captionTargetId="figure@36.[237,1351,166,1852]" captionTargetPageId="36" captionText="FIGURE 16A–H. Megapogon pollicaris. A: preserved holotype BMNH-1907.8.6.135. B: histological section including cortical layer, choanosome and atrial cavity. C: LM image of cortical layer. D–F: SEM images of the choanosome including cortical layer, choanosome and atrial cavity. G–H: SEM images of spicules: diactines, triactines and chiactines (G), microdiactines and triactine (H). Abbreviations: At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; Mic = microdiactines; Inc = inhalant cavity; Tri = triactines." httpUri="https://zenodo.org/record/3244662/files/figure.png" pageId="35" pageNumber="236">Figs 16</figureCitation>
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A–H;
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<tableCitation id="9414FDA0FFF6FF9BE83BD180FE0F4CB3" box="[312,410,189,215]" captionStart="TABLE 12" captionStartId="35.[151,239,983,1007]" captionTargetPageId="35" captionText="TABLE 12. Spicule measurements from the holotype of Megapogon pollicaris (holotype BMNH-1907.8.6.135). Measurements from the original description by Jenkin (1908) are included below." httpUri="http://table.plazi.org/id/8DE99893FFF6FF9BE994D2EAFC514877" pageId="35" pageNumber="236" tableUuid="8DE99893FFF6FF9BE994D2EAFC514877">Table 12</tableCitation>
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)
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</paragraph>
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<paragraph id="D929C81BFFF6FF9BE994D038FBD84D44" blockId="35.[151,1437,261,936]" box="[151,1101,261,288]" pageId="35" pageNumber="236">
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<emphasis id="EBE21409FFF6FF9BE994D038FE054D44" bold="true" box="[151,400,261,288]" pageId="35" pageNumber="236">Original description.</emphasis>
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<bibRefCitation id="BD07B5EAFFF6FF9BE894D038FDB74D7B" author="Jenkin, C. F." box="[407,546,261,287]" pageId="35" pageNumber="236" 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. 40, pl. XXXVII and XXXVIII, figs. 125–130.
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</paragraph>
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</subSubSection>
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||
<subSubSection id="918C9B90FFF6FF9BE9C4D017FAC04E24" pageId="35" pageNumber="236" type="materials_examined">
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||
<paragraph id="D929C81BFFF6FF9BE9C4D017FD5A4D27" blockId="35.[151,1437,261,936]" box="[199,719,297,324]" pageId="35" pageNumber="236">
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<materialsCitation id="69FEC246FFF6FF9BE9C4D017FD5E4D27" ID-GBIF-Occurrence="2252532223" box="[199,715,297,324]" location="Winter Quarters Bay" municipality="Antarctic" pageId="35" pageNumber="236" specimenCount="1" typeStatus="holotype">
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||
<emphasis id="EBE21409FFF6FF9BE9C4D017FEF34D20" bold="true" box="[199,358,297,324]" pageId="35" pageNumber="236">
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<typeStatus id="062D76B9FFF6FF9BE9C4D017FE974D20" box="[199,258,298,324]" pageId="35" pageNumber="236">Type</typeStatus>
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locality.
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</emphasis>
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||
<location id="DC499EC0FFF6FF9BE86FD014FDC04D20" LSID="urn:lsid:plazi:treatment:513F790DFFF6FF9DE994D1A7FCAC4F8B:DC499EC0FFF6FF9BE86FD014FDC04D20" box="[364,597,297,324]" municipality="Antarctic" name="Winter Quarters Bay" pageId="35" pageNumber="236">Winter Quarters Bay</location>
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,
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<collectingMunicipality id="394D5261FFF6FF9BEB5CD014FD5E4D27" box="[607,715,297,323]" pageId="35" pageNumber="236">Antarctic</collectingMunicipality>
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</materialsCitation>
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.
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</paragraph>
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||
<paragraph id="D929C81BFFF6FF9BE9C4D070FC534D03" blockId="35.[151,1437,261,936]" box="[199,966,333,360]" pageId="35" pageNumber="236">
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<emphasis id="EBE21409FFF6FF9BE9C4D070FE4A4D0C" bold="true" box="[199,479,333,360]" pageId="35" pageNumber="236">Synonym and citations.</emphasis>
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||
<taxonomicName id="1E96B398FFF6FF9BE8E6D073FC544D03" authority=", Burton 1963, p. 93" authorityName=", Burton" authorityPageNumber="93" authorityYear="1963" box="[485,961,333,360]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="35" pageNumber="236" phylum="Porifera" rank="species" species="pollicaris">
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||
<emphasis id="EBE21409FFF6FF9BE8E6D073FD484D03" box="[485,733,333,359]" italics="true" pageId="35" pageNumber="236">Megapogon pollicaris</emphasis>
|
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,
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||
<bibRefCitation id="BD07B5EAFFF6FF9BEBEFD073FCEE4D03" author="Burton, M." box="[748,891,333,360]" pageId="35" pageNumber="236" 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="D929C81BFFF6FF9BE9C4D04CFCA04DD4" blockId="35.[151,1437,261,936]" pageId="35" pageNumber="236">
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||
<emphasis id="EBE21409FFF6FF9BE9C4D04CFE264DE8" bold="true" box="[199,435,369,396]" pageId="35" pageNumber="236">Material examined.</emphasis>
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||
<materialsCitation id="69FEC246FFF6FF9BE8BFD04FFCA04DD4" ID-GBIF-Occurrence="2252532222" collectionCode="HMS" county="National Antarctic Expedition" location="Winter Quarters Bay" municipality="Antarctic" pageId="35" pageNumber="236" specimenCount="1" typeStatus="holotype">
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||
<typeStatus id="062D76B9FFF6FF9BE8BFD04FFDBC4DE8" box="[444,553,370,396]" pageId="35" pageNumber="236" type="holotype">
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||
<emphasis id="EBE21409FFF6FF9BE8BFD04FFDBC4DE8" bold="true" box="[444,553,370,396]" pageId="35" pageNumber="236">Holotype</emphasis>
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||
</typeStatus>
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||
: BMNH-1907.8.6.135 (one fragment and three slides),
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||
<location id="DC499EC0FFF6FF9BEDA9D04CFA0D4DE8" LSID="urn:lsid:plazi:treatment:513F790DFFF6FF9DE994D1A7FCAC4F8B:DC499EC0FFF6FF9BEDA9D04CFA0D4DE8" box="[1194,1432,369,396]" county="National Antarctic Expedition" municipality="Antarctic" name="Winter Quarters Bay" pageId="35" pageNumber="236">Winter Quarters Bay</location>
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||
,
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||
<collectingMunicipality id="394D5261FFF6FF9BE994D0A8FE974DCB" box="[151,258,405,431]" pageId="35" pageNumber="236">Antarctic</collectingMunicipality>
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||
,
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||
<collectingCounty id="3048B097FFF6FF9BE80ED0A8FDC84DCB" box="[269,605,405,431]" pageId="35" pageNumber="236">National Antarctic Expedition</collectingCounty>
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||
(
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<collectionCode id="BF8750DEFFF6FF9BEB6FD0A8FD3F4DCB" box="[620,682,405,431]" country="Brazil" lsid="urn:lsid:biocol.org:col:15108" name="Embrapa Gado de Corte" pageId="35" pageNumber="236" 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="D929C81BFFF6FF9BE9C4D087FAC04E24" blockId="35.[151,1437,261,936]" pageId="35" pageNumber="236">
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||
<emphasis id="EBE21409FFF6FF9BE9C4D087FEF44DB0" bold="true" box="[199,353,442,468]" pageId="35" pageNumber="236">Morphology.</emphasis>
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||
There is only one fragment of the
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||
<typeStatus id="062D76B9FFF6FF9BEBE2D084FCD24DB7" box="[737,839,441,467]" pageId="35" pageNumber="236" type="holotype">holotype</typeStatus>
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||
. Dark brown coloration because it was fixed in osmic acid (
|
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<bibRefCitation id="BD07B5EAFFF6FF9BE9D4D0E0FEF24D93" author="Jenkin, C. F." box="[215,359,477,503]" pageId="35" pageNumber="236" 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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||
). Surface slightly hispid. Oscular region absent in the fragment. Size of the fragment
|
||
<quantity id="1E6E65FEFFF6FF9BEC47D0E0FA084D9C" box="[1348,1437,477,504]" metricMagnitude="-3" metricUnit="m" metricValue="3.5" pageId="35" pageNumber="236" unit="mm" value="3.5">3.5 mm</quantity>
|
||
large,
|
||
<quantity id="1E6E65FEFFF6FF9BE9DFD33CFEA74E78" box="[220,306,513,540]" metricMagnitude="-3" metricUnit="m" metricValue="2.3" pageId="35" pageNumber="236" unit="mm" value="2.3">2.3 mm</quantity>
|
||
wide and
|
||
<quantity id="1E6E65FEFFF6FF9BE8A0D33CFE6C4E78" box="[419,505,513,540]" metricMagnitude="-4" metricUnit="m" metricValue="6.0" pageId="35" pageNumber="236" unit="mm" value="0.6">0.6 mm</quantity>
|
||
thick (
|
||
<figureCitation id="41ADD49EFFF6FF9BEB46D33CFD334E78" box="[581,678,513,540]" captionStart="FIGURE 16" captionStartId="36.[151,250,1871,1896]" captionTargetBox="[237,1351,166,1852]" captionTargetId="figure@36.[237,1351,166,1852]" captionTargetPageId="36" captionText="FIGURE 16A–H. Megapogon pollicaris. A: preserved holotype BMNH-1907.8.6.135. B: histological section including cortical layer, choanosome and atrial cavity. C: LM image of cortical layer. D–F: SEM images of the choanosome including cortical layer, choanosome and atrial cavity. G–H: SEM images of spicules: diactines, triactines and chiactines (G), microdiactines and triactine (H). Abbreviations: At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; Mic = microdiactines; Inc = inhalant cavity; Tri = triactines." httpUri="https://zenodo.org/record/3244662/files/figure.png" pageId="35" pageNumber="236">Fig 16A</figureCitation>
|
||
). The aquiferous system is leuconoid composed of rounded inhalant cavities under the cortex, and round choanocyte chambers which are scattered in the choanosome (
|
||
<figureCitation id="41ADD49EFFF6FF9BEDEBD318FADD4E24" box="[1256,1352,549,576]" captionStart="FIGURE 16" captionStartId="36.[151,250,1871,1896]" captionTargetBox="[237,1351,166,1852]" captionTargetId="figure@36.[237,1351,166,1852]" captionTargetPageId="36" captionText="FIGURE 16A–H. Megapogon pollicaris. A: preserved holotype BMNH-1907.8.6.135. B: histological section including cortical layer, choanosome and atrial cavity. C: LM image of cortical layer. D–F: SEM images of the choanosome including cortical layer, choanosome and atrial cavity. G–H: SEM images of spicules: diactines, triactines and chiactines (G), microdiactines and triactine (H). Abbreviations: At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; Mic = microdiactines; Inc = inhalant cavity; Tri = triactines." httpUri="https://zenodo.org/record/3244662/files/figure.png" pageId="35" pageNumber="236">Fig 16B</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="918C9B90FFF6FF9DE9C4D374FB7E4D03" lastPageId="37" lastPageNumber="238" pageId="35" pageNumber="236" type="description">
|
||
<paragraph id="D929C81BFFF6FF9BE9C4D374FDD24F7C" blockId="35.[151,1437,261,936]" pageId="35" pageNumber="236">
|
||
<emphasis id="EBE21409FFF6FF9BE9C4D374FEA04E00" bold="true" box="[199,309,585,612]" pageId="35" pageNumber="236">Skeleton.</emphasis>
|
||
Cortical skeleton formed by triactines tangentially placed and large projecting diactines (
|
||
<figureCitation id="41ADD49EFFF6FF9BEC2DD374FA054E00" box="[1326,1424,585,612]" captionStart="FIGURE 16" captionStartId="36.[151,250,1871,1896]" captionTargetBox="[237,1351,166,1852]" captionTargetId="figure@36.[237,1351,166,1852]" captionTargetPageId="36" captionText="FIGURE 16A–H. Megapogon pollicaris. A: preserved holotype BMNH-1907.8.6.135. B: histological section including cortical layer, choanosome and atrial cavity. C: LM image of cortical layer. D–F: SEM images of the choanosome including cortical layer, choanosome and atrial cavity. G–H: SEM images of spicules: diactines, triactines and chiactines (G), microdiactines and triactine (H). Abbreviations: At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; Mic = microdiactines; Inc = inhalant cavity; Tri = triactines." httpUri="https://zenodo.org/record/3244662/files/figure.png" pageId="35" pageNumber="236">Fig 16C</figureCitation>
|
||
). Choanoskeleton composed of the unpaired actines of the atrial chiactines, which can project outside the surface (
|
||
<figureCitation id="41ADD49EFFF6FF9BE99CD3ACFF614EC8" box="[159,244,657,684]" captionStart="FIGURE 16" captionStartId="36.[151,250,1871,1896]" captionTargetBox="[237,1351,166,1852]" captionTargetId="figure@36.[237,1351,166,1852]" captionTargetPageId="36" captionText="FIGURE 16A–H. Megapogon pollicaris. A: preserved holotype BMNH-1907.8.6.135. B: histological section including cortical layer, choanosome and atrial cavity. C: LM image of cortical layer. D–F: SEM images of the choanosome including cortical layer, choanosome and atrial cavity. G–H: SEM images of spicules: diactines, triactines and chiactines (G), microdiactines and triactine (H). Abbreviations: At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; Mic = microdiactines; Inc = inhalant cavity; Tri = triactines." httpUri="https://zenodo.org/record/3244662/files/figure.png" pageId="35" pageNumber="236">Figs 16</figureCitation>
|
||
D–E). A few triactines can also be present in the choanosome, with the unpaired actines pointing towards the cortical skeleton (
|
||
<figureCitation id="41ADD49EFFF6FF9BE88ED388FE7B4EB4" box="[397,494,693,720]" captionStart="FIGURE 16" captionStartId="36.[151,250,1871,1896]" captionTargetBox="[237,1351,166,1852]" captionTargetId="figure@36.[237,1351,166,1852]" captionTargetPageId="36" captionText="FIGURE 16A–H. Megapogon pollicaris. A: preserved holotype BMNH-1907.8.6.135. B: histological section including cortical layer, choanosome and atrial cavity. C: LM image of cortical layer. D–F: SEM images of the choanosome including cortical layer, choanosome and atrial cavity. G–H: SEM images of spicules: diactines, triactines and chiactines (G), microdiactines and triactine (H). Abbreviations: At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; Mic = microdiactines; Inc = inhalant cavity; Tri = triactines." httpUri="https://zenodo.org/record/3244662/files/figure.png" pageId="35" pageNumber="236">Fig 16E</figureCitation>
|
||
). Abundant spined microdiactines are irregularly scattered in the choanosome (
|
||
<figureCitation id="41ADD49EFFF6FF9BEC76D388FF534E90" captionStart="FIGURE 16" captionStartId="36.[151,250,1871,1896]" captionTargetBox="[237,1351,166,1852]" captionTargetId="figure@36.[237,1351,166,1852]" captionTargetPageId="36" captionText="FIGURE 16A–H. Megapogon pollicaris. A: preserved holotype BMNH-1907.8.6.135. B: histological section including cortical layer, choanosome and atrial cavity. C: LM image of cortical layer. D–F: SEM images of the choanosome including cortical layer, choanosome and atrial cavity. G–H: SEM images of spicules: diactines, triactines and chiactines (G), microdiactines and triactine (H). Abbreviations: At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; Mic = microdiactines; Inc = inhalant cavity; Tri = triactines." httpUri="https://zenodo.org/record/3244662/files/figure.png" pageId="35" pageNumber="236">Fig 16F</figureCitation>
|
||
). Atrial skeleton made up by chiactines with the paired actines placed tangentially, and the apical actines projecting into the atrial cavity (
|
||
<figureCitation id="41ADD49EFFF6FF9BE8D9D3C0FDAF4F7C" box="[474,570,765,792]" captionStart="FIGURE 16" captionStartId="36.[151,250,1871,1896]" captionTargetBox="[237,1351,166,1852]" captionTargetId="figure@36.[237,1351,166,1852]" captionTargetPageId="36" captionText="FIGURE 16A–H. Megapogon pollicaris. A: preserved holotype BMNH-1907.8.6.135. B: histological section including cortical layer, choanosome and atrial cavity. C: LM image of cortical layer. D–F: SEM images of the choanosome including cortical layer, choanosome and atrial cavity. G–H: SEM images of spicules: diactines, triactines and chiactines (G), microdiactines and triactine (H). Abbreviations: At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; Mic = microdiactines; Inc = inhalant cavity; Tri = triactines." httpUri="https://zenodo.org/record/3244662/files/figure.png" pageId="35" pageNumber="236">Fig 16B</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="D929C81BFFF6FF9BE9C4D21CFC0C4F3B" blockId="35.[151,1437,261,936]" pageId="35" pageNumber="236">
|
||
<emphasis id="EBE21409FFF6FF9BE9C4D21CFEA54F58" bold="true" box="[199,304,801,828]" pageId="35" pageNumber="236">Spicules.</emphasis>
|
||
<emphasis id="EBE21409FFF6FF9BE834D21FFE374F5F" box="[311,418,802,827]" italics="true" pageId="35" pageNumber="236">Diactines</emphasis>
|
||
: large and bent towards the distal end which is blunt and thicker than the proximal end (
|
||
<figureCitation id="41ADD49EFFF6FF9BEC76D21CFF5E4F04" captionStart="FIGURE 16" captionStartId="36.[151,250,1871,1896]" captionTargetBox="[237,1351,166,1852]" captionTargetId="figure@36.[237,1351,166,1852]" captionTargetPageId="36" captionText="FIGURE 16A–H. Megapogon pollicaris. A: preserved holotype BMNH-1907.8.6.135. B: histological section including cortical layer, choanosome and atrial cavity. C: LM image of cortical layer. D–F: SEM images of the choanosome including cortical layer, choanosome and atrial cavity. G–H: SEM images of spicules: diactines, triactines and chiactines (G), microdiactines and triactine (H). Abbreviations: At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; Mic = microdiactines; Inc = inhalant cavity; Tri = triactines." httpUri="https://zenodo.org/record/3244662/files/figure.png" pageId="35" pageNumber="236">Fig 16G</figureCitation>
|
||
). Size: 506.8 ±
|
||
<quantity id="1E6E65FEFFF6FF9BE879D278FE4D4F04" box="[378,472,837,864]" metricMagnitude="-2" metricUnit="m" metricValue="4.31" pageId="35" pageNumber="236" unit="mm" value="43.1">43.1 µm</quantity>
|
||
length, 20.0 ±
|
||
<quantity id="1E6E65FEFFF6FF9BEB82D278FD444F04" box="[641,721,837,864]" metricMagnitude="-3" metricUnit="m" metricValue="3.4" pageId="35" pageNumber="236" unit="mm" value="3.4">3.4 µm</quantity>
|
||
width (
|
||
<tableCitation id="9414FDA0FFF6FF9BEA25D278FC194F3B" box="[806,908,837,863]" captionStart="TABLE 12" captionStartId="35.[151,239,983,1007]" captionTargetPageId="35" captionText="TABLE 12. Spicule measurements from the holotype of Megapogon pollicaris (holotype BMNH-1907.8.6.135). Measurements from the original description by Jenkin (1908) are included below." httpUri="http://table.plazi.org/id/8DE99893FFF6FF9BE994D2EAFC514877" pageId="35" pageNumber="236" tableUuid="8DE99893FFF6FF9BE994D2EAFC514877">Table 12</tableCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="D929C81BFFF6FF9BE9C4D254FD7C4FC3" blockId="35.[151,1437,261,936]" pageId="35" pageNumber="236">
|
||
<emphasis id="EBE21409FFF6FF9BE9C4D254FEFA4FE7" box="[199,367,873,899]" italics="true" pageId="35" pageNumber="236">Microdiactines</emphasis>
|
||
: small, curved and spined. One hastate end and the other sharply pointed (
|
||
<figureCitation id="41ADD49EFFF6FF9BEDADD254FAC44FE0" box="[1198,1361,873,900]" captionStart="FIGURE 16" captionStartId="36.[151,250,1871,1896]" captionTargetBox="[237,1351,166,1852]" captionTargetId="figure@36.[237,1351,166,1852]" captionTargetPageId="36" captionText="FIGURE 16A–H. Megapogon pollicaris. A: preserved holotype BMNH-1907.8.6.135. B: histological section including cortical layer, choanosome and atrial cavity. C: LM image of cortical layer. D–F: SEM images of the choanosome including cortical layer, choanosome and atrial cavity. G–H: SEM images of spicules: diactines, triactines and chiactines (G), microdiactines and triactine (H). Abbreviations: At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; Mic = microdiactines; Inc = inhalant cavity; Tri = triactines." httpUri="https://zenodo.org/record/3244662/files/figure.png" pageId="35" pageNumber="236">Figs 16F, 16H</figureCitation>
|
||
). Size: 60.1 ± 4.0 µm length, 2.8 ±
|
||
<quantity id="1E6E65FEFFF6FF9BE8D2D2B0FDB44FCC" box="[465,545,909,936]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" pageId="35" pageNumber="236" unit="mm" value="0.5">0.5 µm</quantity>
|
||
width (
|
||
<tableCitation id="9414FDA0FFF6FF9BEB75D2B0FD494FC3" box="[630,732,909,935]" captionStart="TABLE 12" captionStartId="35.[151,239,983,1007]" captionTargetPageId="35" captionText="TABLE 12. Spicule measurements from the holotype of Megapogon pollicaris (holotype BMNH-1907.8.6.135). Measurements from the original description by Jenkin (1908) are included below." httpUri="http://table.plazi.org/id/8DE99893FFF6FF9BE994D2EAFC514877" pageId="35" pageNumber="236" tableUuid="8DE99893FFF6FF9BE994D2EAFC514877">Table 12</tableCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="8DE99893FFF6FF9BE994D2EAFC514877" ID-Table-UUID="8DE99893FFF6FF9BE994D2EAFC514877" httpUri="http://table.plazi.org/id/8DE99893FFF6FF9BE994D2EAFC514877" pageId="35" pageNumber="236" targetBox="[166,1412,1055,1912]" targetIsTable="true" targetPageId="35">
|
||
<paragraph id="D929C81BFFF6FF9BE994D2EAFC514877" blockId="35.[151,1437,983,1043]" pageId="35" pageNumber="236">
|
||
<emphasis id="EBE21409FFF6FF9BE994D2EAFE8D4F8B" bold="true" box="[151,280,983,1007]" pageId="35" pageNumber="236">TABLE 12.</emphasis>
|
||
Spicule measurements from the holotype of
|
||
<taxonomicName id="1E96B398FFF6FF9BEBFFD2E5FC7C4F8B" authorityName=", Burton" authorityYear="1963" box="[764,1001,983,1007]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="35" pageNumber="236" phylum="Porifera" rank="species" species="pollicaris">
|
||
<emphasis id="EBE21409FFF6FF9BEBFFD2E5FC7C4F8B" box="[764,1001,983,1007]" italics="true" pageId="35" pageNumber="236">Megapogon pollicaris</emphasis>
|
||
</taxonomicName>
|
||
(holotype BMNH-1907.8.6.135). Measurements from the original description by
|
||
<bibRefCitation id="BD07B5EAFFF6FF9BEB59D2C6FD784877" author="Jenkin, C. F." box="[602,749,1019,1043]" pageId="35" pageNumber="236" 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="D929C81BFFF6FF9BE8C5D522FC284B1C" pageId="35" pageNumber="236">
|
||
<table id="AB963ABBFFF60047E9A5D522FA114B1C" box="[166,1412,1055,1912]" gridcols="10" gridrows="23" pageId="35" pageNumber="236">
|
||
<tr id="67A6CA59FFF60047E9A5D522FA11485C" box="[166,1412,1055,1080]" gridrow="0" pageId="35" pageNumber="236">
|
||
<th id="2477A325FFF60047E9A5D522FA11485C" box="[166,1412,1055,1080]" colspan="10" colspanRight="9" gridcol="0" gridrow="0" pageId="35" pageNumber="236">BMNH-1907.8.6.135</th>
|
||
</tr>
|
||
<tr id="67A6CA59FFF60047E9A5D578FA11483A" box="[166,1412,1093,1118]" gridrow="1" pageId="35" pageNumber="236" rowspan-3="1" rowspan-4="1" rowspan-7="1" rowspan-8="1" rowspan-9="1">
|
||
<th id="2477A325FFF60047E9A5D578FECE483A" box="[166,347,1093,1118]" gridcol="0" gridrow="1" pageId="35" pageNumber="236">Spicule</th>
|
||
<td id="2477A325FFF60047E8C5D578FDEE483A" box="[454,635,1093,1118]" colspan="2" colspanRight="1" gridcol="1" gridrow="1" pageId="35" pageNumber="236">
|
||
<emphasis id="EBE21409FFF6FF9BE8C5D57BFDDB483A" bold="true" box="[454,590,1093,1118]" pageId="35" pageNumber="236">Length (µm)</emphasis>
|
||
</td>
|
||
<td id="2477A325FFF60047EAA7D578FBDE483A" box="[932,1099,1093,1118]" colspan="2" colspanRight="1" gridcol="5" gridrow="1" pageId="35" pageNumber="236">
|
||
<emphasis id="EBE21409FFF6FF9BEAA7D578FBB6483A" bold="true" box="[932,1059,1093,1118]" pageId="35" pageNumber="236">Width (µm)</emphasis>
|
||
</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF60047E9A5D556FA1148E0" box="[166,1412,1131,1156]" gridrow="2" pageId="35" pageNumber="236" rowspan-0="1">
|
||
<td id="2477A325FFF60047E8C5D556FD8A48E0" box="[454,543,1131,1156]" gridcol="1" gridrow="2" pageId="35" pageNumber="236">Min</td>
|
||
<td id="2477A325FFF60047EB42D556FDEE48E0" box="[577,635,1131,1156]" gridcol="2" gridrow="2" pageId="35" pageNumber="236">Mean</td>
|
||
<td id="2477A325FFF60047EBC2D556FD6F48E0" box="[705,762,1131,1156]" gridcol="3" gridrow="2" pageId="35" pageNumber="236">Max</td>
|
||
<td id="2477A325FFF60047EA3FD556FCE048E0" box="[828,885,1131,1156]" gridcol="4" gridrow="2" pageId="35" pageNumber="236">SD</td>
|
||
<td id="2477A325FFF60047EAA7D556FC7148E0" box="[932,996,1131,1156]" gridcol="5" gridrow="2" pageId="35" pageNumber="236">Min</td>
|
||
<td id="2477A325FFF60047ED12D556FBDE48E0" box="[1041,1099,1131,1156]" gridcol="6" gridrow="2" pageId="35" pageNumber="236">Mean</td>
|
||
<td id="2477A325FFF60047ED9ED556FB5E48E0" box="[1181,1227,1131,1156]" gridcol="7" gridrow="2" pageId="35" pageNumber="236">Max</td>
|
||
<td id="2477A325FFF60047EC19D556FAAF48E0" box="[1306,1338,1131,1156]" gridcol="8" gridrow="2" pageId="35" pageNumber="236">SD</td>
|
||
<td id="2477A325FFF60047EC68D556FA1148E0" box="[1387,1412,1131,1156]" gridcol="9" gridrow="2" pageId="35" pageNumber="236">n</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF60047E9A5D5ADFA1148CE" box="[166,1412,1168,1194]" gridrow="3" pageId="35" pageNumber="236">
|
||
<th id="2477A325FFF60047E9A5D5ADFECE48CE" box="[166,347,1168,1194]" gridcol="0" gridrow="3" pageId="35" pageNumber="236">
|
||
<emphasis id="EBE21409FFF6FF9BE9A5D5ADFE9F48CD" bold="true" box="[166,266,1168,1193]" pageId="35" pageNumber="236">Diactines</emphasis>
|
||
</th>
|
||
<td id="2477A325FFF60047E8C5D5ADFD8A48CE" box="[454,543,1168,1194]" gridcol="1" gridrow="3" pageId="35" pageNumber="236">415.3</td>
|
||
<td id="2477A325FFF60047EB42D5ADFDEE48CE" box="[577,635,1168,1194]" gridcol="2" gridrow="3" pageId="35" pageNumber="236">506.8</td>
|
||
<td id="2477A325FFF60047EBC2D5ADFD6F48CE" box="[705,762,1168,1194]" gridcol="3" gridrow="3" pageId="35" pageNumber="236">555.0</td>
|
||
<td id="2477A325FFF60047EA3FD5ADFCE048CE" box="[828,885,1168,1194]" gridcol="4" gridrow="3" pageId="35" pageNumber="236">43.1</td>
|
||
<td id="2477A325FFF60047EAA7D5ADFC7148CE" box="[932,996,1168,1194]" gridcol="5" gridrow="3" pageId="35" pageNumber="236">13.3</td>
|
||
<td id="2477A325FFF60047ED12D5ADFBDE48CE" box="[1041,1099,1168,1194]" gridcol="6" gridrow="3" pageId="35" pageNumber="236">20.0</td>
|
||
<td id="2477A325FFF60047ED9ED5ADFB5E48CE" box="[1181,1227,1168,1194]" gridcol="7" gridrow="3" pageId="35" pageNumber="236">25.0</td>
|
||
<td id="2477A325FFF60047EC19D5ADFAAF48CE" box="[1306,1338,1168,1194]" gridcol="8" gridrow="3" pageId="35" pageNumber="236">3.4</td>
|
||
<td id="2477A325FFF60047EC68D5ADFA1148CE" box="[1387,1412,1168,1194]" gridcol="9" gridrow="3" pageId="35" pageNumber="236">8</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF60047E9A5D58BFA1148B4" box="[166,1412,1206,1232]" gridrow="4" pageId="35" pageNumber="236">
|
||
<th id="2477A325FFF60047E9A5D58BFECE48B4" box="[166,347,1206,1232]" gridcol="0" gridrow="4" pageId="35" pageNumber="236">
|
||
<emphasis id="EBE21409FFF6FF9BE9A5D58BFED248AB" bold="true" box="[166,327,1206,1231]" pageId="35" pageNumber="236">Microdiactines</emphasis>
|
||
</th>
|
||
<td id="2477A325FFF60047E8C5D58BFD8A48B4" box="[454,543,1206,1232]" gridcol="1" gridrow="4" pageId="35" pageNumber="236">53.4</td>
|
||
<td id="2477A325FFF60047EB42D58BFDEE48B4" box="[577,635,1206,1232]" gridcol="2" gridrow="4" pageId="35" pageNumber="236">60.1</td>
|
||
<td id="2477A325FFF60047EBC2D58BFD6F48B4" box="[705,762,1206,1232]" gridcol="3" gridrow="4" pageId="35" pageNumber="236">64.7</td>
|
||
<td id="2477A325FFF60047EA3FD58BFCE048B4" box="[828,885,1206,1232]" gridcol="4" gridrow="4" pageId="35" pageNumber="236">4.0</td>
|
||
<td id="2477A325FFF60047EAA7D58BFC7148B4" box="[932,996,1206,1232]" gridcol="5" gridrow="4" pageId="35" pageNumber="236">2.1</td>
|
||
<td id="2477A325FFF60047ED12D58BFBDE48B4" box="[1041,1099,1206,1232]" gridcol="6" gridrow="4" pageId="35" pageNumber="236">2.8</td>
|
||
<td id="2477A325FFF60047ED9ED58BFB5E48B4" box="[1181,1227,1206,1232]" gridcol="7" gridrow="4" pageId="35" pageNumber="236">3.6</td>
|
||
<td id="2477A325FFF60047EC19D58BFAAF48B4" box="[1306,1338,1206,1232]" gridcol="8" gridrow="4" pageId="35" pageNumber="236">0.5</td>
|
||
<td id="2477A325FFF60047EC68D58BFA1148B4" box="[1387,1412,1206,1232]" gridcol="9" gridrow="4" pageId="35" pageNumber="236">8</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF60047E9A5D5E1FA114891" box="[166,1412,1244,1269]" gridrow="5" pageId="35" pageNumber="236" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-4="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1" rowspan-9="1">
|
||
<th id="2477A325FFF60047E9A5D5E1FECE4891" box="[166,347,1244,1269]" gridcol="0" gridrow="5" pageId="35" pageNumber="236">Cortical triactines</th>
|
||
</tr>
|
||
<tr id="67A6CA59FFF60047E9A5D43FFA11497F" box="[166,1412,1282,1307]" gridrow="6" pageId="35" pageNumber="236">
|
||
<th id="2477A325FFF60047E9A5D43FFECE497F" box="[166,347,1282,1307]" gridcol="0" gridrow="6" pageId="35" pageNumber="236">Unpaired actines</th>
|
||
<td id="2477A325FFF60047E8C5D43FFD8A497F" box="[454,543,1282,1307]" gridcol="1" gridrow="6" pageId="35" pageNumber="236">207.4</td>
|
||
<td id="2477A325FFF60047EB42D43FFDEE497F" box="[577,635,1282,1307]" gridcol="2" gridrow="6" pageId="35" pageNumber="236">289.5</td>
|
||
<td id="2477A325FFF60047EBC2D43FFD6F497F" box="[705,762,1282,1307]" gridcol="3" gridrow="6" pageId="35" pageNumber="236">464.4</td>
|
||
<td id="2477A325FFF60047EA3FD43FFCE0497F" box="[828,885,1282,1307]" gridcol="4" gridrow="6" pageId="35" pageNumber="236">64.0</td>
|
||
<td id="2477A325FFF60047EAA7D43FFC71497F" box="[932,996,1282,1307]" gridcol="5" gridrow="6" pageId="35" pageNumber="236">7.5</td>
|
||
<td id="2477A325FFF60047ED12D43FFBDE497F" box="[1041,1099,1282,1307]" gridcol="6" gridrow="6" pageId="35" pageNumber="236">11.5</td>
|
||
<td id="2477A325FFF60047ED9ED43FFB5E497F" box="[1181,1227,1282,1307]" gridcol="7" gridrow="6" pageId="35" pageNumber="236">15.5</td>
|
||
<td id="2477A325FFF60047EC19D43FFAAF497F" box="[1306,1338,1282,1307]" gridcol="8" gridrow="6" pageId="35" pageNumber="236">2.1</td>
|
||
<td id="2477A325FFF60047EC68D43FFA11497F" box="[1387,1412,1282,1307]" gridcol="9" gridrow="6" pageId="35" pageNumber="236">20</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF60047E9A5D415FA114925" box="[166,1412,1320,1345]" gridrow="7" pageId="35" pageNumber="236" rowspan-9="1">
|
||
<th id="2477A325FFF60047E9A5D415FECE4925" box="[166,347,1320,1345]" gridcol="0" gridrow="7" pageId="35" pageNumber="236">Paired actines</th>
|
||
<td id="2477A325FFF60047E8C5D415FD8A4925" box="[454,543,1320,1345]" gridcol="1" gridrow="7" pageId="35" pageNumber="236">139.6</td>
|
||
<td id="2477A325FFF60047EB42D415FDEE4925" box="[577,635,1320,1345]" gridcol="2" gridrow="7" pageId="35" pageNumber="236">182.2</td>
|
||
<td id="2477A325FFF60047EBC2D415FD6F4925" box="[705,762,1320,1345]" gridcol="3" gridrow="7" pageId="35" pageNumber="236">227.0</td>
|
||
<td id="2477A325FFF60047EA3FD415FCE04925" box="[828,885,1320,1345]" gridcol="4" gridrow="7" pageId="35" pageNumber="236">22.7</td>
|
||
<td id="2477A325FFF60047EAA7D415FC714925" box="[932,996,1320,1345]" gridcol="5" gridrow="7" pageId="35" pageNumber="236">6.5</td>
|
||
<td id="2477A325FFF60047ED12D415FBDE4925" box="[1041,1099,1320,1345]" gridcol="6" gridrow="7" pageId="35" pageNumber="236">10.8</td>
|
||
<td id="2477A325FFF60047ED9ED415FB5E4925" box="[1181,1227,1320,1345]" gridcol="7" gridrow="7" pageId="35" pageNumber="236">18.1</td>
|
||
<td id="2477A325FFF60047EC19D415FAAF4925" box="[1306,1338,1320,1345]" gridcol="8" gridrow="7" pageId="35" pageNumber="236">2.7</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF60047E9A5D473FA114903" box="[166,1412,1358,1383]" gridrow="8" pageId="35" pageNumber="236">
|
||
<th id="2477A325FFF60047E9A5D473FA114903" box="[166,1412,1358,1383]" colspan="10" colspanRight="9" gridcol="0" gridrow="8" pageId="35" pageNumber="236">Chiactines</th>
|
||
</tr>
|
||
<tr id="67A6CA59FFF60047E9A5D449FA1149E9" box="[166,1412,1396,1421]" gridrow="9" pageId="35" pageNumber="236">
|
||
<th id="2477A325FFF60047E9A5D449FECE49E9" box="[166,347,1396,1421]" gridcol="0" gridrow="9" pageId="35" pageNumber="236">Unpaired actines</th>
|
||
<td id="2477A325FFF60047E8C5D449FD8A49E9" box="[454,543,1396,1421]" gridcol="1" gridrow="9" pageId="35" pageNumber="236">220.7</td>
|
||
<td id="2477A325FFF60047EB42D449FDEE49E9" box="[577,635,1396,1421]" gridcol="2" gridrow="9" pageId="35" pageNumber="236">338.9</td>
|
||
<td id="2477A325FFF60047EBC2D449FD6F49E9" box="[705,762,1396,1421]" gridcol="3" gridrow="9" pageId="35" pageNumber="236">620.4</td>
|
||
<td id="2477A325FFF60047EA3FD449FCE049E9" box="[828,885,1396,1421]" gridcol="4" gridrow="9" pageId="35" pageNumber="236">106.8</td>
|
||
<td id="2477A325FFF60047EAA7D449FC7149E9" box="[932,996,1396,1421]" gridcol="5" gridrow="9" pageId="35" pageNumber="236">10.2</td>
|
||
<td id="2477A325FFF60047ED12D449FBDE49E9" box="[1041,1099,1396,1421]" gridcol="6" gridrow="9" pageId="35" pageNumber="236">12.9</td>
|
||
<td id="2477A325FFF60047ED9ED449FB5E49E9" box="[1181,1227,1396,1421]" gridcol="7" gridrow="9" pageId="35" pageNumber="236">16.4</td>
|
||
<td id="2477A325FFF60047EC19D449FAAF49E9" box="[1306,1338,1396,1421]" gridcol="8" gridrow="9" pageId="35" pageNumber="236">2.1</td>
|
||
<td id="2477A325FFF60047EC68D449FA1149E9" box="[1387,1412,1396,1421]" gridcol="9" gridrow="9" pageId="35" pageNumber="236">12</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF60047E9A5D4A4FA1149D6" box="[166,1412,1433,1458]" gridrow="10" pageId="35" pageNumber="236" rowspan-9="1">
|
||
<th id="2477A325FFF60047E9A5D4A4FECE49D6" box="[166,347,1433,1458]" gridcol="0" gridrow="10" pageId="35" pageNumber="236">Paired actines</th>
|
||
<td id="2477A325FFF60047E8C5D4A4FD8A49D6" box="[454,543,1433,1458]" gridcol="1" gridrow="10" pageId="35" pageNumber="236">175.0</td>
|
||
<td id="2477A325FFF60047EB42D4A4FDEE49D6" box="[577,635,1433,1458]" gridcol="2" gridrow="10" pageId="35" pageNumber="236">204.5</td>
|
||
<td id="2477A325FFF60047EBC2D4A4FD6F49D6" box="[705,762,1433,1458]" gridcol="3" gridrow="10" pageId="35" pageNumber="236">244.0</td>
|
||
<td id="2477A325FFF60047EA3FD4A4FCE049D6" box="[828,885,1433,1458]" gridcol="4" gridrow="10" pageId="35" pageNumber="236">22.6</td>
|
||
<td id="2477A325FFF60047EAA7D4A4FC7149D6" box="[932,996,1433,1458]" gridcol="5" gridrow="10" pageId="35" pageNumber="236">9.5</td>
|
||
<td id="2477A325FFF60047ED12D4A4FBDE49D6" box="[1041,1099,1433,1458]" gridcol="6" gridrow="10" pageId="35" pageNumber="236">12.7</td>
|
||
<td id="2477A325FFF60047ED9ED4A4FB5E49D6" box="[1181,1227,1433,1458]" gridcol="7" gridrow="10" pageId="35" pageNumber="236">16.8</td>
|
||
<td id="2477A325FFF60047EC19D4A4FAAF49D6" box="[1306,1338,1433,1458]" gridcol="8" gridrow="10" pageId="35" pageNumber="236">2.3</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF60047E9A5D482FA1149BC" box="[166,1412,1471,1496]" gridrow="11" pageId="35" pageNumber="236" rowspan-9="1">
|
||
<th id="2477A325FFF60047E9A5D482FECE49BC" box="[166,347,1471,1496]" gridcol="0" gridrow="11" pageId="35" pageNumber="236">Apical actines</th>
|
||
<td id="2477A325FFF60047E8C5D482FD8A49BC" box="[454,543,1471,1496]" gridcol="1" gridrow="11" pageId="35" pageNumber="236">63.1</td>
|
||
<td id="2477A325FFF60047EB42D482FDEE49BC" box="[577,635,1471,1496]" gridcol="2" gridrow="11" pageId="35" pageNumber="236">81.2</td>
|
||
<td id="2477A325FFF60047EBC2D482FD6F49BC" box="[705,762,1471,1496]" gridcol="3" gridrow="11" pageId="35" pageNumber="236">98.7</td>
|
||
<td id="2477A325FFF60047EA3FD482FCE049BC" box="[828,885,1471,1496]" gridcol="4" gridrow="11" pageId="35" pageNumber="236">13.8</td>
|
||
<td id="2477A325FFF60047EAA7D482FC7149BC" box="[932,996,1471,1496]" gridcol="5" gridrow="11" pageId="35" pageNumber="236">8.1</td>
|
||
<td id="2477A325FFF60047ED12D482FBDE49BC" box="[1041,1099,1471,1496]" gridcol="6" gridrow="11" pageId="35" pageNumber="236">10.0</td>
|
||
<td id="2477A325FFF60047ED9ED482FB5E49BC" box="[1181,1227,1471,1496]" gridcol="7" gridrow="11" pageId="35" pageNumber="236">12.9</td>
|
||
<td id="2477A325FFF60047EC19D482FAAF49BC" box="[1306,1338,1471,1496]" gridcol="8" gridrow="11" pageId="35" pageNumber="236">1.4</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF60047E9A5D4D8FA11499A" box="[166,1412,1509,1534]" gridrow="12" pageId="35" pageNumber="236">
|
||
<th id="2477A325FFF60047E9A5D4D8FA11499A" box="[166,1412,1509,1534]" colspan="10" colspanRight="9" gridcol="0" gridrow="12" pageId="35" pageNumber="236">
|
||
<emphasis id="EBE21409FFF6FF9BE9A5D4D8FC8E499A" bold="true" box="[166,795,1509,1534]" pageId="35" pageNumber="236">
|
||
Measurements from the original description (
|
||
<bibRefCitation id="BD07B5EAFFF6FF9BEB8CD4D8FC81499A" author="Jenkin, C. F." box="[655,788,1509,1534]" pageId="35" pageNumber="236" 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="67A6CA59FFF60047E9A5D736FA114A40" box="[166,1412,1547,1572]" gridrow="13" pageId="35" pageNumber="236" rowspan-0="1" rowspan-3="1" rowspan-4="1" rowspan-7="1" rowspan-8="1" rowspan-9="1">
|
||
<td id="2477A325FFF60047E8C5D736FDEE4A40" box="[454,635,1547,1572]" colspan="2" colspanRight="1" gridcol="1" gridrow="13" pageId="35" pageNumber="236">Length (µm)</td>
|
||
<td id="2477A325FFF60047EAA7D736FBDE4A40" box="[932,1099,1547,1572]" colspan="2" colspanRight="1" gridcol="5" gridrow="13" pageId="35" pageNumber="236">Width (µm)</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF60047E9A5D70CFA114A2E" box="[166,1412,1585,1610]" gridrow="14" pageId="35" pageNumber="236" rowspan-2="1" rowspan-3="1" rowspan-4="1" rowspan-6="1" rowspan-7="1" rowspan-8="1" rowspan-9="1">
|
||
<th id="2477A325FFF60047E9A5D70CFECE4A2E" box="[166,347,1585,1610]" gridcol="0" gridrow="14" pageId="35" pageNumber="236">Diactines I</th>
|
||
<td id="2477A325FFF60047E8C5D70CFD8A4A2E" box="[454,543,1585,1610]" gridcol="1" gridrow="14" pageId="35" pageNumber="236">460–640</td>
|
||
<td id="2477A325FFF60047EAA7D70CFC714A2E" box="[932,996,1585,1610]" gridcol="5" gridrow="14" pageId="35" pageNumber="236">24–25</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF60047E9A5D76BFA114A0B" box="[166,1412,1622,1647]" gridrow="15" pageId="35" pageNumber="236" rowspan-2="1" rowspan-3="1" rowspan-4="1" rowspan-6="1" rowspan-7="1" rowspan-8="1" rowspan-9="1">
|
||
<th id="2477A325FFF60047E9A5D76BFECE4A0B" box="[166,347,1622,1647]" gridcol="0" gridrow="15" pageId="35" pageNumber="236">Diactines II*</th>
|
||
<td id="2477A325FFF60047E8C5D76BFD8A4A0B" box="[454,543,1622,1647]" gridcol="1" gridrow="15" pageId="35" pageNumber="236">50–60</td>
|
||
<td id="2477A325FFF60047EAA7D76BFC714A0B" box="[932,996,1622,1647]" gridcol="5" gridrow="15" pageId="35" pageNumber="236">2–3.1</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF60047E9A5D741FA114AF1" box="[166,1412,1660,1685]" gridrow="16" pageId="35" pageNumber="236">
|
||
<th id="2477A325FFF60047E9A5D741FA114AF1" box="[166,1412,1660,1685]" colspan="10" colspanRight="9" gridcol="0" gridrow="16" pageId="35" pageNumber="236">Cortical triactines</th>
|
||
</tr>
|
||
<tr id="67A6CA59FFF60047E9A5D79FFA114ADF" box="[166,1412,1698,1723]" gridrow="17" pageId="35" pageNumber="236" rowspan-2="1" rowspan-3="1" rowspan-4="1" rowspan-6="1" rowspan-7="1" rowspan-8="1" rowspan-9="1">
|
||
<th id="2477A325FFF60047E9A5D79FFECE4ADF" box="[166,347,1698,1723]" gridcol="0" gridrow="17" pageId="35" pageNumber="236">Unpaired actines</th>
|
||
<td id="2477A325FFF60047E8C5D79FFD8A4ADF" box="[454,543,1698,1723]" gridcol="1" gridrow="17" pageId="35" pageNumber="236">130–330</td>
|
||
<td id="2477A325FFF60047EAA7D79FFC714ADF" box="[932,996,1698,1723]" gridcol="5" gridrow="17" pageId="35" pageNumber="236">8–15</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF60047E9A5D7F5FA114A85" box="[166,1412,1736,1761]" gridrow="18" pageId="35" pageNumber="236" rowspan-2="1" rowspan-3="1" rowspan-4="1" rowspan-6="1" rowspan-7="1" rowspan-8="1" rowspan-9="1">
|
||
<th id="2477A325FFF60047E9A5D7F5FECE4A85" box="[166,347,1736,1761]" gridcol="0" gridrow="18" pageId="35" pageNumber="236">Paired actines</th>
|
||
<td id="2477A325FFF60047E8C5D7F5FD8A4A85" box="[454,543,1736,1761]" gridcol="1" gridrow="18" pageId="35" pageNumber="236">90–320</td>
|
||
<td id="2477A325FFF60047EAA7D7F5FC714A85" box="[932,996,1736,1761]" gridcol="5" gridrow="18" pageId="35" pageNumber="236">8–14</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF60047E9A5D7D3FA114B63" box="[166,1412,1774,1799]" gridrow="19" pageId="35" pageNumber="236" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-4="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1" rowspan-9="1">
|
||
<th id="2477A325FFF60047E9A5D7D3FECE4B63" box="[166,347,1774,1799]" gridcol="0" gridrow="19" pageId="35" pageNumber="236">Chiactines</th>
|
||
</tr>
|
||
<tr id="67A6CA59FFF60047E9A5D62EFA114B48" box="[166,1412,1811,1836]" gridrow="20" pageId="35" pageNumber="236" rowspan-2="1" rowspan-3="1" rowspan-4="1" rowspan-6="1" rowspan-7="1" rowspan-8="1" rowspan-9="1">
|
||
<th id="2477A325FFF60047E9A5D62EFECE4B48" box="[166,347,1811,1836]" gridcol="0" gridrow="20" pageId="35" pageNumber="236">Unpaired actines</th>
|
||
<td id="2477A325FFF60047E8C5D62EFD8A4B48" box="[454,543,1811,1836]" gridcol="1" gridrow="20" pageId="35" pageNumber="236">460–580</td>
|
||
<td id="2477A325FFF60047EAA7D62EFC714B48" box="[932,996,1811,1836]" gridcol="5" gridrow="20" pageId="35" pageNumber="236">14–18</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF60047E9A5D604FA114B36" box="[166,1412,1849,1874]" gridrow="21" pageId="35" pageNumber="236" rowspan-2="1" rowspan-3="1" rowspan-4="1" rowspan-6="1" rowspan-7="1" rowspan-8="1" rowspan-9="1">
|
||
<th id="2477A325FFF60047E9A5D604FECE4B36" box="[166,347,1849,1874]" gridcol="0" gridrow="21" pageId="35" pageNumber="236">Paired actines</th>
|
||
<td id="2477A325FFF60047E8C5D604FD8A4B36" box="[454,543,1849,1874]" gridcol="1" gridrow="21" pageId="35" pageNumber="236">160–280</td>
|
||
<td id="2477A325FFF60047EAA7D604FC714B36" box="[932,996,1849,1874]" gridcol="5" gridrow="21" pageId="35" pageNumber="236">14–16</td>
|
||
</tr>
|
||
<tr id="67A6CA59FFF60047E9A5D662FA114B1C" box="[166,1412,1887,1912]" gridrow="22" pageId="35" pageNumber="236" rowspan-2="1" rowspan-3="1" rowspan-4="1" rowspan-6="1" rowspan-7="1" rowspan-8="1" rowspan-9="1">
|
||
<th id="2477A325FFF60047E9A5D662FECE4B1C" box="[166,347,1887,1912]" gridcol="0" gridrow="22" pageId="35" pageNumber="236">Apical actines</th>
|
||
<td id="2477A325FFF60047E8C5D662FD8A4B1C" box="[454,543,1887,1912]" gridcol="1" gridrow="22" pageId="35" pageNumber="236">100</td>
|
||
<td id="2477A325FFF60047EAA7D662FC714B1C" box="[932,996,1887,1912]" gridcol="5" gridrow="22" pageId="35" pageNumber="236">12</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
<paragraph id="D929C81BFFF6FF9BE994D6BAFE6B4BFB" blockId="35.[151,510,1927,1951]" box="[151,510,1927,1951]" pageId="35" pageNumber="236">
|
||
<tableNote id="2470C995FFF6FF9BE994D6BAFE6B4BFB" box="[151,510,1927,1951]" pageId="35" pageNumber="236" targetBox="[166,1412,1055,1912]" targetPageId="35">(*) Diactines II = Microdiactines.</tableNote>
|
||
</paragraph>
|
||
<caption id="8DE99893FFF1FF9CE994D672FBF34B9C" httpUri="https://zenodo.org/record/3244662/files/figure.png" pageId="36" pageNumber="237" startId="36.[151,250,1871,1896]" targetBox="[237,1351,166,1852]" targetPageId="36">
|
||
<paragraph id="D929C81BFFF1FF9CE994D672FBF34B9C" blockId="36.[151,1437,1871,2040]" pageId="36" pageNumber="237">
|
||
<emphasis id="EBE21409FFF1FF9CE994D672FEC64B0C" bold="true" box="[151,339,1871,1896]" pageId="36" pageNumber="237">FIGURE 16A–H.</emphasis>
|
||
<taxonomicName id="1E96B398FFF1FF9CE85AD66CFDAC4B0C" authorityName=", Burton" authorityYear="1963" box="[345,569,1872,1896]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="36" pageNumber="237" phylum="Porifera" rank="species" species="pollicaris">
|
||
<emphasis id="EBE21409FFF1FF9CE85AD66CFDAC4B0C" box="[345,569,1872,1896]" italics="true" pageId="36" pageNumber="237">Megapogon pollicaris</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<emphasis id="EBE21409FFF1FF9CEB45D672FDF54B0C" bold="true" box="[582,608,1871,1896]" pageId="36" pageNumber="237">A:</emphasis>
|
||
preserved holotype BMNH-1907.8.6.135.
|
||
<emphasis id="EBE21409FFF1FF9CED16D66DFBBA4B0C" bold="true" box="[1045,1071,1872,1896]" pageId="36" pageNumber="237">B:</emphasis>
|
||
histological section including cortical layer, choanosome and atrial cavity.
|
||
<emphasis id="EBE21409FFF1FF9CEB2AD64EFDD14BE8" bold="true" box="[553,580,1907,1932]" pageId="36" pageNumber="237">C:</emphasis>
|
||
LM image of cortical layer.
|
||
<emphasis id="EBE21409FFF1FF9CEA60D649FC0F4BE8" bold="true" box="[867,922,1908,1932]" pageId="36" pageNumber="237">D–F:</emphasis>
|
||
SEM images of the choanosome including cortical layer, choanosome and atrial cavity.
|
||
<emphasis id="EBE21409FFF1FF9CEB04D6AAFDD14BD4" bold="true" box="[519,580,1943,1968]" pageId="36" pageNumber="237">G–H:</emphasis>
|
||
SEM images of spicules: diactines, triactines and chiactines
|
||
<emphasis id="EBE21409FFF1FF9CEDA8D6AAFB454BD4" bold="true" box="[1195,1232,1943,1968]" pageId="36" pageNumber="237">(G)</emphasis>
|
||
, microdiactines and triactine
|
||
<emphasis id="EBE21409FFF1FF9CE9F2D686FE834BB0" bold="true" box="[241,278,1979,2004]" pageId="36" pageNumber="237">(H)</emphasis>
|
||
.
|
||
<emphasis id="EBE21409FFF1FF9CE821D686FE564BB0" bold="true" box="[290,451,1979,2004]" pageId="36" pageNumber="237">Abbreviations:</emphasis>
|
||
At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; Mic = microdiactines; Inc = inhalant cavity; Tri = triactines.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="D929C81BFFF0FF9DE9C4D1A4FC864C9F" blockId="37.[151,1437,153,1007]" pageId="37" pageNumber="238">
|
||
<emphasis id="EBE21409FFF0FF9DE9C4D1A4FE0D4CD7" box="[199,408,153,179]" italics="true" pageId="37" pageNumber="238">Cortical triactines</emphasis>
|
||
: sagittal with straight and long unpaired actines. Paired actines shorter, nearly straight or slightly irregular (
|
||
<figureCitation id="41ADD49EFFF0FF9DE865D180FE5F4CBC" box="[358,458,189,216]" captionStart="FIGURE 16" captionStartId="36.[151,250,1871,1896]" captionTargetBox="[237,1351,166,1852]" captionTargetId="figure@36.[237,1351,166,1852]" captionTargetPageId="36" captionText="FIGURE 16A–H. Megapogon pollicaris. A: preserved holotype BMNH-1907.8.6.135. B: histological section including cortical layer, choanosome and atrial cavity. C: LM image of cortical layer. D–F: SEM images of the choanosome including cortical layer, choanosome and atrial cavity. G–H: SEM images of spicules: diactines, triactines and chiactines (G), microdiactines and triactine (H). Abbreviations: At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; Mic = microdiactines; Inc = inhalant cavity; Tri = triactines." httpUri="https://zenodo.org/record/3244662/files/figure.png" pageId="37" pageNumber="238">Fig 16H</figureCitation>
|
||
). Size: unpaired actines 289.5 ± 64.0 µm length, 11.5 ±
|
||
<quantity id="1E6E65FEFFF0FF9DED57D180FB334CB3" box="[1108,1190,189,215]" metricMagnitude="-3" metricUnit="m" metricValue="2.1" pageId="37" pageNumber="238" unit="mm" value="2.1">2.1 µm</quantity>
|
||
width; paired actines 182.2 ±
|
||
<quantity id="1E6E65FEFFF0FF9DE9F7D1DCFEC74C9F" box="[244,338,225,251]" metricMagnitude="-2" metricUnit="m" metricValue="2.27" pageId="37" pageNumber="238" unit="mm" value="22.7">22.7 µm</quantity>
|
||
length, 10.8 ±
|
||
<quantity id="1E6E65FEFFF0FF9DE8F8D1DCFDDE4C9F" box="[507,587,225,251]" metricMagnitude="-3" metricUnit="m" metricValue="2.7" pageId="37" pageNumber="238" unit="mm" value="2.7">2.7 µm</quantity>
|
||
width (
|
||
<tableCitation id="9414FDA0FFF0FF9DEBA3D1DCFC934C9F" box="[672,774,225,251]" captionStart="TABLE 12" captionStartId="35.[151,239,983,1007]" captionTargetPageId="35" captionText="TABLE 12. Spicule measurements from the holotype of Megapogon pollicaris (holotype BMNH-1907.8.6.135). Measurements from the original description by Jenkin (1908) are included below." httpUri="http://table.plazi.org/id/8DE99893FFF6FF9BE994D2EAFC514877" pageId="37" pageNumber="238" tableUuid="8DE99893FFF6FF9BE994D2EAFC514877">Table 12</tableCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="D929C81BFFF0FF9DE9C4D038FB7E4D03" blockId="37.[151,1437,153,1007]" pageId="37" pageNumber="238">
|
||
<emphasis id="EBE21409FFF0FF9DE9C4D038FEAA4D7B" box="[199,319,261,287]" italics="true" pageId="37" pageNumber="238">Chiactines</emphasis>
|
||
: unpaired actines straight and longer than the paired ones. Apical actines short and acerate (
|
||
<figureCitation id="41ADD49EFFF0FF9DEC69D038FE9C4D20" captionStart="FIGURE 16" captionStartId="36.[151,250,1871,1896]" captionTargetBox="[237,1351,166,1852]" captionTargetId="figure@36.[237,1351,166,1852]" captionTargetPageId="36" captionText="FIGURE 16A–H. Megapogon pollicaris. A: preserved holotype BMNH-1907.8.6.135. B: histological section including cortical layer, choanosome and atrial cavity. C: LM image of cortical layer. D–F: SEM images of the choanosome including cortical layer, choanosome and atrial cavity. G–H: SEM images of spicules: diactines, triactines and chiactines (G), microdiactines and triactine (H). Abbreviations: At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; Mic = microdiactines; Inc = inhalant cavity; Tri = triactines." httpUri="https://zenodo.org/record/3244662/files/figure.png" pageId="37" pageNumber="238">Figs 16B, 16G</figureCitation>
|
||
). Size: unpaired actines 338.9 ±
|
||
<quantity id="1E6E65FEFFF0FF9DEB79D014FD724D27" box="[634,743,297,323]" metricMagnitude="-1" metricUnit="m" metricValue="1.068" pageId="37" pageNumber="238" unit="mm" value="106.8">106.8 µm</quantity>
|
||
length, 12.9 ±
|
||
<quantity id="1E6E65FEFFF0FF9DEA97D014FC704D27" box="[916,997,297,323]" metricMagnitude="-3" metricUnit="m" metricValue="2.1" pageId="37" pageNumber="238" unit="mm" value="2.1">2.1 µm</quantity>
|
||
width; paired actines 204.5 ±
|
||
<quantity id="1E6E65FEFFF0FF9DEC3ED014FA094D27" box="[1341,1436,297,323]" metricMagnitude="-2" metricUnit="m" metricValue="2.26" pageId="37" pageNumber="238" unit="mm" value="22.6">22.6 µm</quantity>
|
||
length, 12.7 ±
|
||
<quantity id="1E6E65FEFFF0FF9DE839D070FE1F4D03" box="[314,394,333,359]" metricMagnitude="-3" metricUnit="m" metricValue="2.3" pageId="37" pageNumber="238" unit="mm" value="2.3">2.3 µm</quantity>
|
||
width; apical actines 81.2 ±
|
||
<quantity id="1E6E65FEFFF0FF9DEBCFD070FCBF4D03" box="[716,810,333,359]" metricMagnitude="-2" metricUnit="m" metricValue="1.38" pageId="37" pageNumber="238" unit="mm" value="13.8">13.8 µm</quantity>
|
||
length, 10.0 ±
|
||
<quantity id="1E6E65FEFFF0FF9DEAD0D070FBB64D03" box="[979,1059,333,359]" metricMagnitude="-3" metricUnit="m" metricValue="1.4" pageId="37" pageNumber="238" unit="mm" value="1.4">1.4 µm</quantity>
|
||
width (
|
||
<tableCitation id="9414FDA0FFF0FF9DED7BD070FB4B4D03" box="[1144,1246,333,359]" captionStart="TABLE 12" captionStartId="35.[151,239,983,1007]" captionTargetPageId="35" captionText="TABLE 12. Spicule measurements from the holotype of Megapogon pollicaris (holotype BMNH-1907.8.6.135). Measurements from the original description by Jenkin (1908) are included below." httpUri="http://table.plazi.org/id/8DE99893FFF6FF9BE994D2EAFC514877" pageId="37" pageNumber="238" tableUuid="8DE99893FFF6FF9BE994D2EAFC514877">Table 12</tableCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="918C9B90FFF0FF9DE9C4D04DFD064DB7" pageId="37" pageNumber="238" type="distribution">
|
||
<paragraph id="D929C81BFFF0FF9DE9C4D04DFF754DCB" blockId="37.[151,1437,153,1007]" pageId="37" pageNumber="238">
|
||
<emphasis id="EBE21409FFF0FF9DE9C4D04DFE7F4DEF" bold="true" box="[199,490,368,395]" pageId="37" pageNumber="238">Distribution and depth.</emphasis>
|
||
Specimens taken around Winter Quarters Bay, Antarctic shallow waters (
|
||
<bibRefCitation id="BD07B5EAFFF0FF9DEC52D04CFF464DCB" author="Jenkin, C. F." 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>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="D929C81BFFF0FF9DE9C4D084FD064DB7" blockId="37.[151,1437,153,1007]" box="[199,659,440,467]" pageId="37" pageNumber="238">
|
||
<emphasis id="EBE21409FFF0FF9DE9C4D084FE7B4DB7" bold="true" box="[199,494,440,467]" pageId="37" pageNumber="238">Molecular identification.</emphasis>
|
||
Not available.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="918C9B90FFF0FF9DE9C4D0E0FCAC4F8B" pageId="37" pageNumber="238" type="discussion">
|
||
<paragraph id="D929C81BFFF0FF9DE9C4D0E0FAC54FE7" blockId="37.[151,1437,153,1007]" pageId="37" pageNumber="238">
|
||
<emphasis id="EBE21409FFF0FF9DE9C4D0E0FEAE4D93" bold="true" box="[199,315,477,503]" pageId="37" pageNumber="238">Remarks.</emphasis>
|
||
After re-examining the
|
||
<typeStatus id="062D76B9FFF0FF9DEB49D0E0FD394D93" box="[586,684,477,503]" pageId="37" pageNumber="238" type="holotype">holotype</typeStatus>
|
||
of
|
||
<taxonomicName id="1E96B398FFF0FF9DEBD1D0E3FCF74D93" authorityName=", Burton" authorityYear="1963" box="[722,866,477,503]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="37" pageNumber="238" phylum="Porifera" rank="species" species="pollicaris">
|
||
<emphasis id="EBE21409FFF0FF9DEBD1D0E3FCF74D93" box="[722,866,477,503]" italics="true" pageId="37" pageNumber="238">M. pollicaris</emphasis>
|
||
</taxonomicName>
|
||
(BMNH-1907.8.6.135), we found that this species presents similarities with
|
||
<taxonomicName id="1E96B398FFF0FF9DE8B7D33FFDAF4E7F" box="[436,570,513,539]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="37" pageNumber="238" phylum="Porifera" rank="species" species="raripilus">
|
||
<emphasis id="EBE21409FFF0FF9DE8B7D33FFDAF4E7F" box="[436,570,513,539]" italics="true" pageId="37" pageNumber="238">M. raripilus</emphasis>
|
||
</taxonomicName>
|
||
, for example, shape of the diactines and microdiactines, presence of triactines in the atrial skeleton, and size of the spicules. Also, according to
|
||
<bibRefCitation id="BD07B5EAFFF0FF9DEA70D318FB844E5B" author="Jenkin, C. F." box="[883,1041,549,575]" 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>
|
||
,
|
||
<taxonomicName id="1E96B398FFF0FF9DED1ED31BFB3B4E5B" authorityName=", Burton" authorityYear="1963" box="[1053,1198,549,575]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="37" pageNumber="238" phylum="Porifera" rank="species" species="pollicaris">
|
||
<emphasis id="EBE21409FFF0FF9DED1ED31BFB3B4E5B" box="[1053,1198,549,575]" italics="true" pageId="37" pageNumber="238">M. pollicaris</emphasis>
|
||
</taxonomicName>
|
||
has an oscular collar built up in a similar way as in other species of
|
||
<taxonomicName id="1E96B398FFF0FF9DEBB4D377FCA84E07" authorityName="Jenkin" authorityYear="1908" box="[695,829,586,611]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="37" pageNumber="238" phylum="Porifera" rank="genus">
|
||
<emphasis id="EBE21409FFF0FF9DEBB4D377FCA84E07" box="[695,829,586,611]" italics="true" pageId="37" pageNumber="238">Megapogon</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="1E96B398FFF0FF9DEA74D374FB864E07" authorityName="Jenkin" authorityYear="1907" box="[887,1043,585,611]" class="Calcarea" family="Achramorphidae" genus="Achramorpha" kingdom="Animalia" order="Leucosolenida" pageId="37" pageNumber="238" phylum="Porifera" rank="genus">
|
||
<emphasis id="EBE21409FFF0FF9DEA74D374FB864E07" box="[887,1043,585,611]" italics="true" pageId="37" pageNumber="238">Achramorpha</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<emphasis id="EBE21409FFF0FF9DED21D377FBD04E07" box="[1058,1093,586,611]" italics="true" pageId="37" pageNumber="238">i.e.</emphasis>
|
||
with tetractines and triactines with the unpaired actines pointing downwards, but without an oscular fringe as in
|
||
<taxonomicName id="1E96B398FFF0FF9DED29D353FB244EE3" box="[1066,1201,621,647]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="37" pageNumber="238" phylum="Porifera" rank="species" species="raripilus">
|
||
<emphasis id="EBE21409FFF0FF9DED29D353FB244EE3" box="[1066,1201,621,647]" italics="true" pageId="37" pageNumber="238">M. raripilus</emphasis>
|
||
</taxonomicName>
|
||
. However, these two species show some differences; microdiactines are more abundant in
|
||
<taxonomicName id="1E96B398FFF0FF9DEAA6D3AFFBA24ECF" authorityName=", Burton" authorityYear="1963" box="[933,1079,657,683]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="37" pageNumber="238" phylum="Porifera" rank="species" species="pollicaris">
|
||
<emphasis id="EBE21409FFF0FF9DEAA6D3AFFBA24ECF" box="[933,1079,657,683]" italics="true" pageId="37" pageNumber="238">M. pollicaris</emphasis>
|
||
</taxonomicName>
|
||
, diactines are slightly longer in
|
||
<taxonomicName id="1E96B398FFF0FF9DE994D38BFE8B4EAB" box="[151,286,693,719]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="37" pageNumber="238" phylum="Porifera" rank="species" species="raripilus">
|
||
<emphasis id="EBE21409FFF0FF9DE994D38BFE8B4EAB" box="[151,286,693,719]" italics="true" pageId="37" pageNumber="238">M. raripilus</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<quantity id="1E6E65FEFFF0FF9DE82FD388FE2A4EAB" box="[300,447,693,719]" metricMagnitude="-1" metricUnit="m" metricValue="5.5" metricValueMax="8.0" metricValueMin="3.0" pageId="37" pageNumber="238" unit="mm" value="550.0" valueMax="800.0" valueMin="300.0">300–800 µm</quantity>
|
||
), and absence of trichoxeas in the cortical skeleton of
|
||
<taxonomicName id="1E96B398FFF0FF9DED15D38BFB334EAB" authorityName=", Burton" authorityYear="1963" box="[1046,1190,693,719]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="37" pageNumber="238" phylum="Porifera" rank="species" species="pollicaris">
|
||
<emphasis id="EBE21409FFF0FF9DED15D38BFB334EAB" box="[1046,1190,693,719]" italics="true" pageId="37" pageNumber="238">M. pollicaris</emphasis>
|
||
</taxonomicName>
|
||
. However, it has been suggested that trichoxeas are not very reliable in differentiating species,
|
||
<emphasis id="EBE21409FFF0FF9DEAC5D3E7FC7B4E97" box="[966,1006,730,755]" italics="true" pageId="37" pageNumber="238">e.g.</emphasis>
|
||
in the genera
|
||
<taxonomicName id="1E96B398FFF0FF9DED8DD3E4FA094E97" authority="(Rapp 2015)" baseAuthorityName="Rapp" baseAuthorityYear="2015" box="[1166,1436,728,755]" class="Calcarea" family="Grantiidae" genus="Leucandra" kingdom="Animalia" order="Leucosolenida" pageId="37" pageNumber="238" phylum="Porifera" rank="genus">
|
||
<emphasis id="EBE21409FFF0FF9DED8DD3E4FA924E97" box="[1166,1287,729,755]" italics="true" pageId="37" pageNumber="238">Leucandra</emphasis>
|
||
(
|
||
<bibRefCitation id="BD07B5EAFFF0FF9DEC14D3E4FA004E97" author="Rapp, H. T." box="[1303,1429,728,755]" pageId="37" pageNumber="238" pagination="1395 - 1459" refId="ref27788" refString="Rapp, H. T. (2015) A monograph of the calcareous sponges (Porifera, Calcarea) of Greenland. Journal of the Marine Biological Association of the United Kingdom, 95, 1395 - 1459. https: // doi. org / 10.1017 / S 0025315413001070" type="journal article" year="2015">Rapp 2015</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="1E96B398FFF0FF9DE9C4D3C0FDA64F73" authority="(Azevedo et al. 2017)" baseAuthorityName="Azevedo et al." baseAuthorityYear="2017" box="[199,563,765,791]" class="Calcarea" family="Clathrinidae" genus="Clathrina" kingdom="Animalia" order="Clathrinida" pageId="37" pageNumber="238" phylum="Porifera" rank="genus">
|
||
<emphasis id="EBE21409FFF0FF9DE9C4D3C0FEA14F73" box="[199,308,765,791]" italics="true" pageId="37" pageNumber="238">Clathrina</emphasis>
|
||
(
|
||
<bibRefCitation id="BD07B5EAFFF0FF9DE840D3C0FDB94F73" author="Azevedo, F. & Padua, A. & Moraes, F. & Rossi, A. L. & Muricy, G. & Klautau, M." box="[323,556,765,791]" pageId="37" pageNumber="238" pagination="301 - 304" refId="ref25650" refString="Azevedo, F., Padua, A., Moraes, F., Rossi, A. L., Muricy, G. & Klautau, M. (2017) Taxonomy and phylogeny of calcareous sponges (Porifera: Calcarea: Calcinea) from Brazilian mid-shelf and oceanic islands. Zootaxa, 4311 (3), 301 - 304. https: // doi. org / 10.11646 / zootaxa. 4311.3.1" type="journal article" year="2017">
|
||
Azevedo
|
||
<emphasis id="EBE21409FFF0FF9DE8ACD3C3FE7D4F73" box="[431,488,765,791]" italics="true" pageId="37" pageNumber="238">et al.</emphasis>
|
||
2017
|
||
</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
. The aquiferous system in both species is leuconoid with rounded choanocyte chambers, which are bigger in
|
||
<taxonomicName id="1E96B398FFF0FF9DE8F2D21FFDEC4F5F" box="[497,633,801,827]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="37" pageNumber="238" phylum="Porifera" rank="species" species="raripilus">
|
||
<emphasis id="EBE21409FFF0FF9DE8F2D21FFD9D4F5F" box="[497,520,802,827]" italics="true" pageId="37" pageNumber="238">M</emphasis>
|
||
.
|
||
<emphasis id="EBE21409FFF0FF9DEB14D21CFDEC4F5F" box="[535,633,801,827]" italics="true" pageId="37" pageNumber="238">raripilus</emphasis>
|
||
</taxonomicName>
|
||
(131.2 ±
|
||
<quantity id="1E6E65FEFFF0FF9DEBE5D21CFCD04F5F" box="[742,837,801,827]" metricMagnitude="-2" metricUnit="m" metricValue="3.17" pageId="37" pageNumber="238" unit="mm" value="31.7">31.7 µm</quantity>
|
||
diameter) µm than in
|
||
<taxonomicName id="1E96B398FFF0FF9DED43D21FFB454F5F" authorityName=", Burton" authorityYear="1963" box="[1088,1232,801,827]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="37" pageNumber="238" phylum="Porifera" rank="species" species="pollicaris">
|
||
<emphasis id="EBE21409FFF0FF9DED43D21FFBC24F5F" box="[1088,1111,802,827]" italics="true" pageId="37" pageNumber="238">M</emphasis>
|
||
.
|
||
<emphasis id="EBE21409FFF0FF9DED66D21CFB454F5F" box="[1125,1232,801,827]" italics="true" pageId="37" pageNumber="238">pollicaris</emphasis>
|
||
</taxonomicName>
|
||
(109.2 ±
|
||
<quantity id="1E6E65FEFFF0FF9DEC3DD21DFA094F5F" box="[1342,1436,800,827]" metricMagnitude="-2" metricUnit="m" metricValue="1.25" pageId="37" pageNumber="238" unit="mm" value="12.5">12.5 µm</quantity>
|
||
diameter). Also, the rounded inhalant cavities are also slightly bigger in
|
||
<taxonomicName id="1E96B398FFF0FF9DEAB0D27BFBAC4F3B" box="[947,1081,837,863]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="37" pageNumber="238" phylum="Porifera" rank="species" species="raripilus">
|
||
<emphasis id="EBE21409FFF0FF9DEAB0D27BFC5F4F3B" box="[947,970,838,863]" italics="true" pageId="37" pageNumber="238">M</emphasis>
|
||
.
|
||
<emphasis id="EBE21409FFF0FF9DEAD4D278FBAC4F3B" box="[983,1081,837,863]" italics="true" pageId="37" pageNumber="238">raripilus</emphasis>
|
||
</taxonomicName>
|
||
(146.8 ±
|
||
<quantity id="1E6E65FEFFF0FF9DEDA1D278FB6A4F3B" box="[1186,1279,837,863]" metricMagnitude="-2" metricUnit="m" metricValue="3.6399999999999997" pageId="37" pageNumber="238" unit="mm" value="36.4">36.4 µm</quantity>
|
||
diameter) µm than in
|
||
<taxonomicName id="1E96B398FFF0FF9DE9E8D257FEEE4FE7" authorityName=", Burton" authorityYear="1963" box="[235,379,873,899]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="37" pageNumber="238" phylum="Porifera" rank="species" species="pollicaris">
|
||
<emphasis id="EBE21409FFF0FF9DE9E8D257FE974FE7" box="[235,258,874,899]" italics="true" pageId="37" pageNumber="238">M</emphasis>
|
||
.
|
||
<emphasis id="EBE21409FFF0FF9DE813D254FEEE4FE7" box="[272,379,873,899]" italics="true" pageId="37" pageNumber="238">pollicaris</emphasis>
|
||
</taxonomicName>
|
||
(141.9 ±
|
||
<quantity id="1E6E65FEFFF0FF9DE8EAD254FDD24FE7" box="[489,583,873,899]" metricMagnitude="-2" metricUnit="m" metricValue="3.38" pageId="37" pageNumber="238" unit="mm" value="33.8">33.8 µm</quantity>
|
||
diameter), but these are more marked and numerous in
|
||
<taxonomicName id="1E96B398FFF0FF9DEDBBD257FADC4FE7" authorityName=", Burton" authorityYear="1963" box="[1208,1353,873,899]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="37" pageNumber="238" phylum="Porifera" rank="species" species="pollicaris">
|
||
<emphasis id="EBE21409FFF0FF9DEDBBD257FB5A4FE7" box="[1208,1231,874,899]" italics="true" pageId="37" pageNumber="238">M</emphasis>
|
||
.
|
||
<emphasis id="EBE21409FFF0FF9DEDDDD254FADC4FE7" box="[1246,1353,873,899]" italics="true" pageId="37" pageNumber="238">pollicaris</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="D929C81BFFF0FF9DE9C4D2B0FCAC4F8B" blockId="37.[151,1437,153,1007]" pageId="37" pageNumber="238">
|
||
Based on our observations, we suspect that
|
||
<taxonomicName id="1E96B398FFF0FF9DEBB2D2B3FCAC4FC3" box="[689,825,909,935]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="37" pageNumber="238" phylum="Porifera" rank="species" species="raripilus">
|
||
<emphasis id="EBE21409FFF0FF9DEBB2D2B3FCAC4FC3" box="[689,825,909,935]" italics="true" pageId="37" pageNumber="238">M. raripilus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="1E96B398FFF0FF9DEA73D2B3FB954FC3" authorityName=", Burton" authorityYear="1963" box="[880,1024,909,935]" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="37" pageNumber="238" phylum="Porifera" rank="species" species="pollicaris">
|
||
<emphasis id="EBE21409FFF0FF9DEA73D2B3FB954FC3" box="[880,1024,909,935]" italics="true" pageId="37" pageNumber="238">M. pollicaris</emphasis>
|
||
</taxonomicName>
|
||
are different but closely related species, however, to be able to have a confident decision, it is necessary to have new and larger specimens of
|
||
<taxonomicName id="1E96B398FFF0FF9DEC4AD28FFF4A4F8B" authorityName=", Burton" authorityYear="1963" class="Calcarea" family="Achramorphidae" genus="Megapogon" kingdom="Animalia" order="Leucosolenida" pageId="37" pageNumber="238" phylum="Porifera" rank="species" species="pollicaris">
|
||
<emphasis id="EBE21409FFF0FF9DEC4AD28FFF4A4F8B" italics="true" pageId="37" pageNumber="238">M. pollicaris</emphasis>
|
||
</taxonomicName>
|
||
, for a better examination and for molecular evidence.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |