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<document id="E15F0C72B1924E26C08B4D670207E24B" ID-CLB-Dataset="298422" ID-DOI="10.11646/zootaxa.5463.2.1" ID-GBIF-Dataset="6a4fdf03-550a-415f-88c7-47783af83576" ID-ISSN="1175-5326" ID-Zenodo-Dep="11610751" ID-ZooBank="FDB4CE85-B07E-49C7-AABF-A67914F17E6B" IM.bibliography_approvedBy="valdenar" IM.illustrations_approvedBy="valdenar" IM.materialsCitations_approvedBy="valdenar" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch,operationResults" IM.taxonomicNames_approvedBy="valdenar" IM.treatments_approvedBy="valdenar" checkinTime="1718181596006" checkinUser="plazi" docAuthor="Ott, B., Mcdaniel, N. &amp; Humphrey, E." docDate="2024" docId="2823DE00C804FFA6CD9DFB9BFB752499" docLanguage="en" docName="zootaxa.5463.2.1.pdf" docOrigin="Zootaxa 5463 (2)" docSource="http://dx.doi.org/10.11646/zootaxa.5463.2.1" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Hymeniacidon globularis Ott &amp; Mcdaniel &amp; Humphrey 2024, n. sp." docType="treatment" docUuid="CCD8E346-515C-41C7-A8F5-A20EE67BE55A" docUuidSource="ZooBank" docVersion="5" lastPageNumber="182" masterDocId="D41AA678C81AFFB9CD0AFFA5FFCB2326" masterDocTitle="Fourteen new species of demosponges (Porifera) from three coastal fjords in southern British Columbia, Canada" masterLastPageNumber="200" masterPageNumber="151" pageNumber="181" updateTime="1718218068993" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="7D89C88333AD0D3162F9CD1FA2F1821D">Fourteen new species of demosponges (Porifera) from three coastal fjords in southern British Columbia, Canada</mods:title>
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<mods:namePart id="47345F97FADBF076D0243437C9FE27AD">Ott, B.</mods:namePart>
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<mods:namePart id="78030F34FB965186E8A0A8EDD00EDA23">Mcdaniel, N.</mods:namePart>
<mods:affiliation id="CEA13434AE4FF16CD0ABB928E05E8FEC">McDaniel Marine Surveys, 3540 West 35 th Ave, Vancouver, BC, Canada, V 6 N 2 N 5.</mods:affiliation>
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<mods:namePart id="4715874861F5993255C58C4DD77C7CB3">Humphrey, E.</mods:namePart>
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<mods:title id="D1B5AD27AC0EAECAB26A32772DC5BDEA">Zootaxa</mods:title>
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<mods:date id="942987362A231DAEC64092B8143033C6">2024</mods:date>
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<mods:number id="221FEFA6FCDF88206EA2B885AB4C50F2">2024-06-05</mods:number>
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<treatment id="2823DE00C804FFA6CD9DFB9BFB752499" ID-DOI="http://doi.org/10.5281/zenodo.11611247" ID-GBIF-Taxon="232735793" ID-Zenodo-Dep="11611247" LSID="urn:lsid:zoobank.org:act:CCD8E346-515C-41C7-A8F5-A20EE67BE55A" httpUri="http://treatment.plazi.org/id/2823DE00C804FFA6CD9DFB9BFB752499" lastPageId="31" lastPageNumber="182" pageId="30" pageNumber="181">
<subSubSection id="E8903C9DC804FFA7CD9DFB9BFC18275B" pageId="30" pageNumber="181" type="nomenclature">
<paragraph id="A0356F16C804FFA7CD9DFB9BFDDF277F" blockId="30.[151,979,1086,1185]" box="[151,532,1086,1113]" pageId="30" pageNumber="181">
<heading id="FB7DD87AC804FFA7CD9DFB9BFDDF277F" bold="true" box="[151,532,1086,1113]" fontSize="11" level="1" pageId="30" pageNumber="181" reason="1">
<emphasis id="92FEB304C804FFA7CD9DFB9BFDDF277F" bold="true" box="[151,532,1086,1113]" pageId="30" pageNumber="181">
<taxonomicName id="678A1495C804FFA7CD9DFB9BFE01277F" authority="Ott &amp; Mcdaniel &amp; Humphrey, 2024" authorityName="Ott &amp; Mcdaniel &amp; Humphrey" authorityYear="2024" box="[151,458,1086,1113]" class="Demospongiae" family="Halichondriidae" genus="Hymeniacidon" kingdom="Animalia" order="Suberitida" pageId="30" pageNumber="181" phylum="Porifera" rank="species" species="globularis" status="sp. nov.">
<emphasis id="92FEB304C804FFA7CD9DFB9BFE01277F" bold="true" box="[151,458,1086,1113]" italics="true" pageId="30" pageNumber="181">Hymeniacidon globularis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="89CD0E7FC804FFA7CCD8FB9AFDDF277F" box="[466,532,1087,1113]" pageId="30" pageNumber="181" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="A0356F16C804FFA7CD9DFBC7FC18275B" blockId="30.[151,979,1086,1185]" box="[151,979,1122,1149]" pageId="30" pageNumber="181">
<uri id="D41B6314C804FFA7CD9DFBC7FC18275B" box="[151,979,1122,1149]" pageId="30" pageNumber="181">
urn:lsid:zoobank.org:act:
<uuid id="D42C55C3C804FFA7CCA1FBC7FC18275B" box="[427,979,1122,1149]" pageId="30" pageNumber="181">CCD8E346-515C-41C7-A8F5-A20EE67BE55A</uuid>
</uri>
</paragraph>
</subSubSection>
<subSubSection id="E8903C9DC804FFA7CD9DFB22FEC82787" box="[151,259,1159,1185]" pageId="30" pageNumber="181" type="description">
<paragraph id="A0356F16C804FFA7CD9DFB22FEC82787" blockId="30.[151,979,1086,1185]" box="[151,259,1159,1185]" pageId="30" pageNumber="181">
<figureCitation id="38B17393C804FFA7CD9DFB22FEC82787" box="[151,259,1159,1185]" captionStart="FIGURE 12" captionStartId="31.[152,255,1599,1623]" captionTargetBox="[151,1436,342,1572]" captionTargetId="figure-94@31.[151,1436,342,1572]" captionTargetPageId="31" captionText="FIGURE 12. Hymeniacidon globularis n. sp. Holotype RBCM 023-00001-001 (A) In-situ. (B) Sponge cross section. C) Cross section closeup of ectosome and the upper choanosome. (D) Subtylostyles." figureDoi="http://doi.org/10.5281/zenodo.11610797" httpUri="https://zenodo.org/record/11610797/files/figure.png" pageId="30" pageNumber="181">Figure 12</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="E8903C9DC804FFA7CD9DFB6BFE06262B" pageId="30" pageNumber="181" type="diagnosis">
<paragraph id="A0356F16C804FFA7CD9DFB6BFE06262B" blockId="30.[151,1437,1230,2013]" pageId="30" pageNumber="181">
<emphasis id="92FEB304C804FFA7CD9DFB6BFEC127CE" bold="true" box="[151,266,1230,1256]" pageId="30" pageNumber="181">Diagnosis</emphasis>
. Light yellow, globular shape, highly compressible unlike most
<taxonomicName id="678A1495C804FFA7C900FB6AFAC127CF" box="[1034,1290,1231,1257]" pageId="30" pageNumber="181">
<emphasis id="92FEB304C804FFA7C900FB6AFB6627CF" box="[1034,1197,1231,1257]" italics="true" pageId="30" pageNumber="181">Hymeniacidon</emphasis>
species
</taxonomicName>
which have chimneys or are encrusting.
</paragraph>
</subSubSection>
<subSubSection id="E8903C9DC804FFA7CDCDFAB2FA592617" box="[199,1426,1303,1329]" pageId="30" pageNumber="181" type="etymology">
<paragraph id="A0356F16C804FFA7CDCDFAB2FA592617" blockId="30.[151,1437,1230,2013]" box="[199,1426,1303,1329]" pageId="30" pageNumber="181">
<emphasis id="92FEB304C804FFA7CDCDFAB2FE832617" bold="true" box="[199,328,1303,1329]" pageId="30" pageNumber="181">Etymology</emphasis>
The species name refers to the sponge habitus which is invariably globular in BC shallow waters.
</paragraph>
</subSubSection>
<subSubSection id="E8903C9DC804FFA7CDCDFA9FFEC2250B" pageId="30" pageNumber="181" type="materials_examined">
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<emphasis id="92FEB304C804FFA7CDCDFA9FFE792672" bold="true" box="[199,434,1338,1364]" pageId="30" pageNumber="181">Material Examined</emphasis>
<materialsCitation id="10E2654BC804FFA7CCB6FA9EFB4A265F" ID-GBIF-Occurrence="4876419343" collectingDate="2016-11-28" collectionCode="BC" collectorName="Stn &amp; Sakinaw Rock &amp; Sechelt Inlet &amp; N. McDaniel" elevation="20" latitude="49.566467" longLatPrecision="1" longitude="-123.8029" pageId="30" pageNumber="181" specimenCode="RBCM 023-00001, 001, NM 351" specimenCount="1" typeStatus="holotype">
<typeStatus id="7F31D1B4C804FFA7CCB6FA9EFDEF2673" box="[444,548,1339,1365]" pageId="30" pageNumber="181" type="holotype">Holotype</typeStatus>
<specimenCode id="F02CC76DC804FFA7CF25FA9EFCCC2673" box="[559,775,1339,1365]" collectionCode="RBCM" country="Canada" httpUri="http://grbio.org/cool/gayt-20cg" name="Royal British Columbia Museum" pageId="30" pageNumber="181" type="Museum">RBCM 023-00001</specimenCode>
-
<specimenCode id="F02CC76DC804FFA7CE04FA9EFCF22673" box="[782,825,1339,1365]" collectionCode="RBCM" country="Canada" httpUri="http://grbio.org/cool/gayt-20cg" name="Royal British Columbia Museum" pageId="30" pageNumber="181" type="Museum">001</specimenCode>
,
<collectorName id="0D7F0AC0C804FFA7CE4DFA9EFCA72673" box="[839,876,1339,1365]" pageId="30" pageNumber="181">Stn</collectorName>
<specimenCode id="F02CC76DC804FFA7CE7CFA9EFC122673" box="[886,985,1338,1365]" collectionCode="NM" pageId="30" pageNumber="181">NM 351</specimenCode>
,
<collectorName id="0D7F0AC0C804FFA7CEE2FA9EFB5B2673" box="[1000,1168,1339,1365]" pageId="30" pageNumber="181">Sakinaw Rock</collectorName>
,
<collectorName id="0D7F0AC0C804FFA7C994FA9EFAFA2673" box="[1182,1329,1339,1365]" pageId="30" pageNumber="181">Sechelt Inlet</collectorName>
,
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/
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, coll.
<collectorName id="0D7F0AC0C804FFA7CF2AFAFAFD7C265F" box="[544,695,1375,1401]" pageId="30" pageNumber="181">N. McDaniel</collectorName>
,
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<collectingDate id="C470B03EC804FFA7CFCEFAFAFC95265F" box="[708,862,1375,1401]" pageId="30" pageNumber="181" value="2016-11-28">28 Nov 2016</collectingDate>
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,
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depth
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,
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.
<materialsCitation id="10E2654BC804FFA7C984FAFAFED826BB" ID-GBIF-Occurrence="4876419350" collectionCode="RBCM" pageId="30" pageNumber="181" specimenCode="RBCM 018- 00142, 004" specimenCount="1" typeStatus="paratype">
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<typeStatus id="7F31D1B4C804FFA7C984FAFAFACD265F" box="[1166,1286,1375,1401]" pageId="30" pageNumber="181" type="paratype">Paratypes</typeStatus>
</emphasis>
<specimenCode id="F02CC76DC804FFA7C805FAFAFF2B26BB" collectionCode="RBCM" country="Canada" httpUri="http://grbio.org/cool/gayt-20cg" name="Royal British Columbia Museum" pageId="30" pageNumber="181" type="Museum">RBCM 018- 00142</specimenCode>
-
<specimenCode id="F02CC76DC804FFA7CDE2FA26FED826BB" box="[232,275,1411,1437]" collectionCode="RBCM" country="Canada" httpUri="http://grbio.org/cool/gayt-20cg" name="Royal British Columbia Museum" pageId="30" pageNumber="181" type="Museum">004</specimenCode>
</materialsCitation>
, Stn
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<specimenCode id="F02CC76DC804FFA7CC45FA26FE7926BB" box="[335,434,1411,1437]" collectionCode="NM" pageId="30" pageNumber="181">NM 229</specimenCode>
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, Piper Point, Sechelt Inlet,
<materialsCitation id="10E2654BC804FFA7CFE4FA26FDE926E7" ID-GBIF-Occurrence="4876419309" collectingDate="2011-05-11" collectionCode="BC" collectorName="N. McDaniel" elevation="24" latitude="49.545918" longLatPrecision="1" longitude="-123.79228" pageId="30" pageNumber="181" specimenCount="1" typeStatus="paratype">
<collectionCode id="C69BF7D3C804FFA7CFE4FA26FCDD26BB" box="[750,790,1411,1437]" pageId="30" pageNumber="181">BC</collectionCode>
,
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/
<geoCoordinate id="C5BE09D1C804FFA7CED5FA26FB5D26BB" box="[991,1174,1410,1437]" degrees="123" direction="west" minutes="47.537" orientation="longitude" pageId="30" pageNumber="181" precision="1" value="-123.79228">123° 47.537’ W</geoCoordinate>
, coll.
<collectorName id="0D7F0AC0C804FFA7C9D7FA26FABF26BB" box="[1245,1396,1411,1437]" pageId="30" pageNumber="181">N. McDaniel</collectorName>
,
<date id="D43449D6C804FFA7C88BFA26FEC026E7" pageId="30" pageNumber="181" value="2011-05-11">
<collectingDate id="C470B03EC804FFA7C88BFA26FEC026E7" pageId="30" pageNumber="181" value="2011-05-11">11 May 2011</collectingDate>
</date>
,
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depth
</elevation>
,
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;
<materialsCitation id="10E2654BC804FFA7CF27FA02FCFF26E7" ID-GBIF-Occurrence="4876419401" box="[557,820,1446,1473]" collectionCode="RBCM" pageId="30" pageNumber="181" specimenCode="RBCM 018-00158, 002" specimenCount="1" typeStatus="paratype">
<specimenCode id="F02CC76DC804FFA7CF27FA02FCCB26E7" box="[557,768,1446,1473]" collectionCode="RBCM" country="Canada" httpUri="http://grbio.org/cool/gayt-20cg" name="Royal British Columbia Museum" pageId="30" pageNumber="181" type="Museum">RBCM 018-00158</specimenCode>
-
<specimenCode id="F02CC76DC804FFA7CE02FA03FCFF26E7" box="[776,820,1446,1473]" collectionCode="RBCM" country="Canada" httpUri="http://grbio.org/cool/gayt-20cg" name="Royal British Columbia Museum" pageId="30" pageNumber="181" type="Museum">002</specimenCode>
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, Stn
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<specimenCode id="F02CC76DC804FFA7CE60FA02FC0026E7" box="[874,971,1446,1473]" collectionCode="NM" pageId="30" pageNumber="181">NM 255</specimenCode>
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, Christie Islet, Howe Sd,
<materialsCitation id="10E2654BC804FFA7C9EDFA02FBD526C3" ID-GBIF-Occurrence="4876419334" collectingDate="2011-05-19" collectionCode="BC" collectorName="N. McDaniel" elevation="17" latitude="49.49865" longLatPrecision="1" longitude="-123.29975" pageId="30" pageNumber="181" specimenCount="1" typeStatus="paratype">
<collectionCode id="C69BF7D3C804FFA7C9EDFA02FAC426E7" box="[1255,1295,1447,1473]" pageId="30" pageNumber="181">BC</collectionCode>
,
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/
<geoCoordinate id="C5BE09D1C804FFA7CDCEFA6EFEB126C3" box="[196,378,1482,1509]" degrees="123" direction="west" minutes="17.985" orientation="longitude" pageId="30" pageNumber="181" precision="1" value="-123.29975">123° 17.985’ W</geoCoordinate>
, coll.
<collectorName id="0D7F0AC0C804FFA7CCCAFA6EFD9D26C3" box="[448,598,1483,1509]" pageId="30" pageNumber="181">N. McDaniel</collectorName>
,
<date id="D43449D6C804FFA7CF69FA6EFD3626C3" box="[611,765,1483,1509]" pageId="30" pageNumber="181" value="2011-05-19">
<collectingDate id="C470B03EC804FFA7CF69FA6EFD3626C3" box="[611,765,1483,1509]" pageId="30" pageNumber="181" value="2011-05-19">19 May 2011</collectingDate>
</date>
,
<elevation id="2BA78825C804FFA7CE00FA6EFC4526C3" box="[778,910,1483,1509]" metricMagnitude="1" metricUnit="m" metricValue="1.7" pageId="30" pageNumber="181" unit="m" value="17.0">
<quantity id="6772C2F3C804FFA7CE00FA6EFC8E26C3" box="[778,837,1483,1509]" metricMagnitude="1" metricUnit="m" metricValue="1.7" pageId="30" pageNumber="181" unit="m" value="17.0">17 m</quantity>
depth
</elevation>
,
<specimenCount id="B68CA49FC804FFA7CE91FA6EFBD526C3" box="[923,1054,1483,1509]" count="1" pageId="30" pageNumber="181" type="generic">1 specimen</specimenCount>
</materialsCitation>
;
<materialsCitation id="10E2654BC804FFA7C921FA6EFAFF26C3" ID-GBIF-Occurrence="4876419338" box="[1067,1332,1482,1509]" collectionCode="RBCM" pageId="30" pageNumber="181" specimenCode="RBCM 024-00015, 001" specimenCount="1" typeStatus="paratype">
<specimenCode id="F02CC76DC804FFA7C921FA6EFAC826C3" box="[1067,1283,1482,1509]" collectionCode="RBCM" country="Canada" httpUri="http://grbio.org/cool/gayt-20cg" name="Royal British Columbia Museum" pageId="30" pageNumber="181" type="Museum">RBCM 024-00015</specimenCode>
-
<specimenCode id="F02CC76DC804FFA7C800FA6FFAFF26C3" box="[1290,1332,1482,1509]" collectionCode="RBCM" country="Canada" httpUri="http://grbio.org/cool/gayt-20cg" name="Royal British Columbia Museum" pageId="30" pageNumber="181" type="Museum">001</specimenCode>
</materialsCitation>
, Stn
<materialsCitation id="10E2654BC804FFA7C865FA6EFF0F252F" ID-GBIF-Occurrence="4876419314" collectionCode="NM" pageId="30" pageNumber="181" specimenCode="NM 350" specimenCount="1" typeStatus="paratype">
<specimenCode id="F02CC76DC804FFA7C865FA6EFF0F252F" collectionCode="NM" pageId="30" pageNumber="181">NM 350</specimenCode>
</materialsCitation>
, Miller Islet, Jervis Inlet,
<materialsCitation id="10E2654BC804FFA7CCEFFA4AFECF250B" ID-GBIF-Occurrence="4876419356" collectingDate="2016-11-27" collectionCode="BC" collectorName="N. McDaniel" elevation="20" latitude="49.787483" longLatPrecision="1" longitude="-123.945816" pageId="30" pageNumber="181" specimenCount="1" typeStatus="paratype">
<collectionCode id="C69BF7D3C804FFA7CCEFFA4AFDC6252F" box="[485,525,1519,1545]" pageId="30" pageNumber="181">BC</collectionCode>
,
<geoCoordinate id="C5BE09D1C804FFA7CF12FA4AFD7D252F" box="[536,694,1519,1545]" degrees="49" direction="north" minutes="47.249" orientation="latitude" pageId="30" pageNumber="181" precision="1" value="49.787483">49° 47.249’ N</geoCoordinate>
/
<geoCoordinate id="C5BE09D1C804FFA7CFC6FA4AFCB5252F" box="[716,894,1518,1545]" degrees="123" direction="west" minutes="56.749" orientation="longitude" pageId="30" pageNumber="181" precision="1" value="-123.945816">123° 56.749’ W</geoCoordinate>
, coll.
<collectorName id="0D7F0AC0C804FFA7CECBFA4AFB9D252F" box="[961,1110,1519,1545]" pageId="30" pageNumber="181">N. McDaniel</collectorName>
,
<date id="D43449D6C804FFA7C96BFA4AFB3C252F" box="[1121,1271,1519,1545]" pageId="30" pageNumber="181" value="2016-11-27">
<collectingDate id="C470B03EC804FFA7C96BFA4AFB3C252F" box="[1121,1271,1519,1545]" pageId="30" pageNumber="181" value="2016-11-27">27 Nov 2016</collectingDate>
</date>
,
<elevation id="2BA78825C804FFA7C808FA4AFA48252F" box="[1282,1411,1519,1545]" metricMagnitude="1" metricUnit="m" metricValue="2.0" pageId="30" pageNumber="181" unit="m" value="20.0">
<quantity id="6772C2F3C804FFA7C808FA4AFAF0252F" box="[1282,1339,1519,1545]" metricMagnitude="1" metricUnit="m" metricValue="2.0" pageId="30" pageNumber="181" unit="m" value="20.0">20 m</quantity>
depth
</elevation>
,
<specimenCount id="B68CA49FC804FFA7C884FA4AFECF250B" count="1" pageId="30" pageNumber="181" type="generic">1 specimen</specimenCount>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="E8903C9DC804FFA6CDCDF993FB752499" lastPageId="31" lastPageNumber="182" pageId="30" pageNumber="181" type="description">
<paragraph id="A0356F16C804FFA7CDCDF993FE9A2576" blockId="30.[151,1437,1230,2013]" box="[199,337,1590,1616]" pageId="30" pageNumber="181">
<emphasis id="92FEB304C804FFA7CDCDF993FE9A2576" bold="true" box="[199,337,1590,1616]" pageId="30" pageNumber="181">Description</emphasis>
</paragraph>
<paragraph id="A0356F16C804FFA7CDCDF9FEFC9A240F" blockId="30.[151,1437,1230,2013]" pageId="30" pageNumber="181">
<emphasis id="92FEB304C804FFA7CDCDF9FEFEE42553" bold="true" box="[199,303,1627,1653]" pageId="30" pageNumber="181">External</emphasis>
(
<figureCitation id="38B17393C804FFA7CC4AF9FEFE0D2553" box="[320,454,1627,1653]" captionStart="FIGURE 12" captionStartId="31.[152,255,1599,1623]" captionTargetBox="[151,1436,342,1572]" captionTargetId="figure-94@31.[151,1436,342,1572]" captionTargetPageId="31" captionText="FIGURE 12. Hymeniacidon globularis n. sp. Holotype RBCM 023-00001-001 (A) In-situ. (B) Sponge cross section. C) Cross section closeup of ectosome and the upper choanosome. (D) Subtylostyles." figureDoi="http://doi.org/10.5281/zenodo.11610797" httpUri="https://zenodo.org/record/11610797/files/figure.png" pageId="30" pageNumber="181">Figure 12A</figureCitation>
)
<materialsCitation id="10E2654BC804FFA7CCD2F9FEFC7F25BF" ID-GBIF-Occurrence="4876419348" collectionCode="RBCM" pageId="30" pageNumber="181" specimenCode="RBCM 023-00001, 001" specimenCount="2" typeStatus="holotype">
<typeStatus id="7F31D1B4C804FFA7CCD2F9FEFD8B2553" box="[472,576,1627,1653]" pageId="30" pageNumber="181" type="holotype">Holotype</typeStatus>
<specimenCode id="F02CC76DC804FFA7CF40F9FEFCE92553" box="[586,802,1627,1653]" collectionCode="RBCM" country="Canada" httpUri="http://grbio.org/cool/gayt-20cg" name="Royal British Columbia Museum" pageId="30" pageNumber="181" type="Museum">RBCM 023-00001</specimenCode>
-
<specimenCode id="F02CC76DC804FFA7CE23F9FEFC9F2553" box="[809,852,1627,1653]" collectionCode="RBCM" country="Canada" httpUri="http://grbio.org/cool/gayt-20cg" name="Royal British Columbia Museum" pageId="30" pageNumber="181" type="Museum">001</specimenCode>
. The
<typeStatus id="7F31D1B4C804FFA7CE9CF9FEFC332553" box="[918,1016,1627,1653]" pageId="30" pageNumber="181" type="holotype">holotype</typeStatus>
is an oblong puffball
<quantity id="6772C2F3C804FFA7C9F0F9FEFA892553" box="[1274,1346,1627,1653]" metricMagnitude="-1" metricUnit="m" metricValue="1.0" pageId="30" pageNumber="181" unit="cm" value="10.0">10 cm</quantity>
longest diameter by
<quantity id="6772C2F3C804FFA7CC2EF9DBFE9725BF" box="[292,348,1662,1689]" metricMagnitude="-2" metricUnit="m" metricValue="5.0" pageId="30" pageNumber="181" unit="cm" value="5.0">5 cm</quantity>
high in life; flattens and compresses on preservation
</materialsCitation>
.
<typeStatus id="7F31D1B4C804FFA7CEB5F9DAFB3B25BF" box="[959,1264,1663,1689]" isOtherTypeStatus="true" pageId="30" pageNumber="181">Other specimens examined</typeStatus>
averaged
<quantity id="6772C2F3C804FFA7C86EF9DAFA5725BF" box="[1380,1436,1663,1689]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="30" pageNumber="181" unit="cm" value="3.0">3 cm</quantity>
diameter alive. All specimens form highly compressible puffballs. All specimens examined have one approximately centrally located osculum surrounded by a slightly raised rim,
<quantity id="6772C2F3C804FFA7CE47F963FC4525C7" box="[845,910,1734,1761]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="30" pageNumber="181" unit="mm" value="5.0">5 mm</quantity>
diameter in the
<typeStatus id="7F31D1B4C804FFA7C94BF962FB6825C7" box="[1089,1187,1735,1761]" pageId="30" pageNumber="181" type="holotype">holotype</typeStatus>
and
<quantity id="6772C2F3C804FFA7C9D2F962FAFF25C7" box="[1240,1332,1735,1761]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" metricValueMax="3.0" metricValueMin="2.0" pageId="30" pageNumber="181" unit="mm" value="2.5" valueMax="3.0" valueMin="2.0">2–3 mm</quantity>
diameter in
<typeStatus id="7F31D1B4C804FFA7CDBEF94EFE292423" box="[180,482,1771,1797]" isOtherTypeStatus="true" pageId="30" pageNumber="181">other specimens examined</typeStatus>
. Ostia numerous over the entire surface,
<quantity id="6772C2F3C804FFA7CEA7F94FFBEB2423" box="[941,1056,1770,1797]" metricMagnitude="-4" metricUnit="m" metricValue="7.5" metricValueMax="10.0" metricValueMin="5.0" pageId="30" pageNumber="181" unit="mm" value="0.75" valueMax="1.0" valueMin="0.5">0.5–1 mm</quantity>
diameter. Colour is cream yellow in life; beige in alcohol; consistency is soft but not easily torn.
</paragraph>
<paragraph id="A0356F16C804FFA6CDCDF897FA5123F3" blockId="30.[151,1437,1230,2013]" lastBlockId="31.[151,1436,151,321]" lastPageId="31" lastPageNumber="182" pageId="30" pageNumber="181">
<emphasis id="92FEB304C804FFA7CDCDF897FEE5246A" bold="true" box="[199,302,1842,1868]" pageId="30" pageNumber="181">Skeleton</emphasis>
(
<figureCitation id="38B17393C804FFA7CC36F896FE17246B" box="[316,476,1843,1869]" captionStart="FIGURE 12" captionStartId="31.[152,255,1599,1623]" captionTargetBox="[151,1436,342,1572]" captionTargetId="figure-94@31.[151,1436,342,1572]" captionTargetPageId="31" captionText="FIGURE 12. Hymeniacidon globularis n. sp. Holotype RBCM 023-00001-001 (A) In-situ. (B) Sponge cross section. C) Cross section closeup of ectosome and the upper choanosome. (D) Subtylostyles." figureDoi="http://doi.org/10.5281/zenodo.11610797" httpUri="https://zenodo.org/record/11610797/files/figure.png" pageId="30" pageNumber="181">Figure 12B, C</figureCitation>
–measurements from the
<typeStatus id="7F31D1B4C804FFA7CFF0F896FC95246B" box="[762,862,1843,1869]" pageId="30" pageNumber="181" type="holotype">holotype</typeStatus>
) The sponge skeleton is
<quantity id="6772C2F3C804FFA7C979F896FB2D246B" box="[1139,1254,1843,1869]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" metricValueMax="2.0" metricValueMin="1.0" pageId="30" pageNumber="181" unit="mm" value="1.5" valueMax="2.0" valueMin="1.0">1 to 2 mm</quantity>
thick and forms the skin of a hollow subspherical body (
<figureCitation id="38B17393C804FFA7CF6AF8F2FD2E2457" box="[608,741,1879,1905]" captionStart="FIGURE 12" captionStartId="31.[152,255,1599,1623]" captionTargetBox="[151,1436,342,1572]" captionTargetId="figure-94@31.[151,1436,342,1572]" captionTargetPageId="31" captionText="FIGURE 12. Hymeniacidon globularis n. sp. Holotype RBCM 023-00001-001 (A) In-situ. (B) Sponge cross section. C) Cross section closeup of ectosome and the upper choanosome. (D) Subtylostyles." figureDoi="http://doi.org/10.5281/zenodo.11610797" httpUri="https://zenodo.org/record/11610797/files/figure.png" pageId="30" pageNumber="181">Figure 12B</figureCitation>
). Loose bundles of spicules arise from the inside surface and run vertically to the surface in discontinuous tracts (
<figureCitation id="38B17393C804FFA7CFEEF8DEFCA124B3" box="[740,874,1915,1941]" captionStart="FIGURE 12" captionStartId="31.[152,255,1599,1623]" captionTargetBox="[151,1436,342,1572]" captionTargetId="figure-94@31.[151,1436,342,1572]" captionTargetPageId="31" captionText="FIGURE 12. Hymeniacidon globularis n. sp. Holotype RBCM 023-00001-001 (A) In-situ. (B) Sponge cross section. C) Cross section closeup of ectosome and the upper choanosome. (D) Subtylostyles." figureDoi="http://doi.org/10.5281/zenodo.11610797" httpUri="https://zenodo.org/record/11610797/files/figure.png" pageId="30" pageNumber="181">Figure 12C</figureCitation>
). Many loose spicules and unoriented bundles fill spaces between vertical bundles (
<figureCitation id="38B17393C804FFA7CF01F83AFD44249F" box="[523,655,1951,1977]" captionStart="FIGURE 12" captionStartId="31.[152,255,1599,1623]" captionTargetBox="[151,1436,342,1572]" captionTargetId="figure-94@31.[151,1436,342,1572]" captionTargetPageId="31" captionText="FIGURE 12. Hymeniacidon globularis n. sp. Holotype RBCM 023-00001-001 (A) In-situ. (B) Sponge cross section. C) Cross section closeup of ectosome and the upper choanosome. (D) Subtylostyles." figureDoi="http://doi.org/10.5281/zenodo.11610797" httpUri="https://zenodo.org/record/11610797/files/figure.png" pageId="30" pageNumber="181">Figure 12C</figureCitation>
). Tracts are 30 to 50 µm thick and from 3 to 20 spicules across. Tracts are not systematically cross connected (no reticulation is formed) but are randomly cross connected by unoriented loose spicules or bispicular tracts. Choanosome tracts widen into brushes 200 to 300 µm from the surface and may penetrate the surface up to 100 µm. There is no specialized ectosome separable from the general skeletal structure.
</paragraph>
<paragraph id="A0356F16C805FFA6CDCDFF7AFDAE2267" blockId="31.[151,1436,151,321]" pageId="31" pageNumber="182">Given the highly compressible habitus, a live sponge will have large choanosomal aquiferous lacunae which are compressed immediately upon removal from water. Some relatively large lacunae (up to 300 µm across) are still present in flattened preserved specimens.</paragraph>
<caption id="F4F53F9EC805FFA6CD92F99AFC44255D" ID-DOI="http://doi.org/10.5281/zenodo.11610797" ID-Zenodo-Dep="11610797" httpUri="https://zenodo.org/record/11610797/files/figure.png" pageId="31" pageNumber="182" startId="31.[152,255,1599,1623]" targetBox="[151,1436,342,1572]" targetPageId="31" targetType="figure">
<paragraph id="A0356F16C805FFA6CD92F99AFC44255D" blockId="31.[151,1436,1599,1659]" pageId="31" pageNumber="182">
<emphasis id="92FEB304C805FFA6CD92F99AFEEE2571" bold="true" box="[152,293,1599,1623]" pageId="31" pageNumber="182">FIGURE 12.</emphasis>
<taxonomicName id="678A1495C805FFA6CC20F99AFDE72571" authority="Ott &amp; Mcdaniel &amp; Humphrey, 2024" authorityName="Ott &amp; Mcdaniel &amp; Humphrey" authorityYear="2024" box="[298,556,1599,1623]" class="Demospongiae" family="Halichondriidae" genus="Hymeniacidon" kingdom="Animalia" order="Suberitida" pageId="31" pageNumber="182" phylum="Porifera" rank="species" species="globularis" status="sp. nov.">
<emphasis id="92FEB304C805FFA6CC20F99AFDE72571" box="[298,556,1599,1623]" italics="true" pageId="31" pageNumber="182">Hymeniacidon globularis</emphasis>
</taxonomicName>
<emphasis id="92FEB304C805FFA6CF38F99AFDA12571" bold="true" box="[562,618,1599,1623]" pageId="31" pageNumber="182">
<taxonomicNameLabel id="89CD0E7FC805FFA6CF38F99AFDA12571" box="[562,618,1599,1623]" pageId="31" pageNumber="182" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
Holotype RBCM 023-00001-001 (A) In-situ. (B) Sponge cross section. C) Cross section closeup of ectosome and the upper choanosome. (D) Subtylostyles.
</paragraph>
</caption>
<paragraph id="A0356F16C805FFA6CDCDF968FC5C2409" blockId="31.[151,1436,1741,1984]" pageId="31" pageNumber="182">
<emphasis id="92FEB304C805FFA6CDCDF968FEE225C1" bold="true" box="[199,297,1741,1767]" pageId="31" pageNumber="182">Spicules</emphasis>
(
<figureCitation id="38B17393C805FFA6CC33F968FE0C25CE" box="[313,455,1741,1768]" captionStart="FIGURE 12" captionStartId="31.[152,255,1599,1623]" captionTargetBox="[151,1436,342,1572]" captionTargetId="figure-94@31.[151,1436,342,1572]" captionTargetPageId="31" captionText="FIGURE 12. Hymeniacidon globularis n. sp. Holotype RBCM 023-00001-001 (A) In-situ. (B) Sponge cross section. C) Cross section closeup of ectosome and the upper choanosome. (D) Subtylostyles." figureDoi="http://doi.org/10.5281/zenodo.11610797" httpUri="https://zenodo.org/record/11610797/files/figure.png" pageId="31" pageNumber="182">Figure 12 D</figureCitation>
). Spicules are exclusively straight subtylostyles with elliptical heads, cylindrical shafts and moderately short apices with slightly rounded tips (hastate). Many are polytylote, a frequent characteristic of the genus.
<tableCitation id="ED085AADC805FFA6CC05F8B0FEBB2416" box="[271,368,1813,1840]" captionStart="TABLE 12" captionStartId="32.[152,244,152,176]" captionText="TABLE 12. Hymeniacidon globularis n. sp. spicule dimensions (µm). Stn/Cat # Length NM 351 326 (364) 399 023-00001-001 NM 229 326 (386) 431 018-00142-004 NM 255 357 (411) 441 018-00158-002 NM 350 305 (362) 420 024-00015-001" pageId="31" pageNumber="182">Table 12</tableCitation>
lists spicule dimensions of specimens examined.
</paragraph>
<paragraph id="A0356F16C805FFA6CDCDF89CFB752499" blockId="31.[151,1436,1741,1984]" pageId="31" pageNumber="182">
There is only one other described
<taxonomicName id="678A1495C805FFA6CF4EF89CFD2C2475" authorityName="Bowerbank" authorityYear="1858" box="[580,743,1849,1875]" class="Demospongiae" family="Halichondriidae" genus="Hymeniacidon" kingdom="Animalia" order="Suberitida" pageId="31" pageNumber="182" phylum="Porifera" rank="genus">
<emphasis id="92FEB304C805FFA6CF4EF89CFD2C2475" box="[580,743,1849,1875]" italics="true" pageId="31" pageNumber="182">Hymeniacidon</emphasis>
</taxonomicName>
that forms a largely hollow sac:
<taxonomicName id="678A1495C805FFA6C95DF89FFA942472" authority="(Ridley, 1881)" baseAuthorityName="Ridley" baseAuthorityYear="1881" box="[1111,1375,1849,1876]" class="Demospongiae" family="Halichondriidae" genus="Hymeniacidon" kingdom="Animalia" order="Suberitida" pageId="31" pageNumber="182" phylum="Porifera" rank="species" species="calva">
<emphasis id="92FEB304C805FFA6C95DF89FFB7C2475" box="[1111,1207,1849,1875]" italics="true" pageId="31" pageNumber="182">H. calva</emphasis>
(
<bibRefCitation id="C41B12E7C805FFA6C9CFF89CFA9D2472" author="Ridley, S. O." box="[1221,1366,1849,1876]" pageId="31" pageNumber="182" pagination="107 - 141" refId="ref30638" refString="Ridley, S. O. (1881) XI. Spongida. Horny and Siliceous Sponges of Magellan Straits, S. W. Chili, and Atlantic off SW Brazil. In: Account of the Zoological Collections made during the Survey of H. M. S. ' Alert' in the Straits of Magellan and on the Coast of Patagonia. In: Gunther, A. (Ed.), Proceedings of the Zoological Society of London, 1881, pp. 107 - 141, pls. X - XI." type="journal article" year="1881">Ridley, 1881</bibRefCitation>
)
</taxonomicName>
from Magellan Straits; no depth information was provided by Ridley.
<bibRefCitation id="C41B12E7C805FFA6CE50F8F8FC26245E" author="Ridley, S. O." box="[858,1005,1885,1912]" pageId="31" pageNumber="182" pagination="107 - 141" refId="ref30638" refString="Ridley, S. O. (1881) XI. Spongida. Horny and Siliceous Sponges of Magellan Straits, S. W. Chili, and Atlantic off SW Brazil. In: Account of the Zoological Collections made during the Survey of H. M. S. ' Alert' in the Straits of Magellan and on the Coast of Patagonia. In: Gunther, A. (Ed.), Proceedings of the Zoological Society of London, 1881, pp. 107 - 141, pls. X - XI." type="journal article" year="1881">Ridley (1881</bibRefCitation>
, p. 115) describes the sponge as having a dermal membrane. Ridley’s sponge has shorter styles (based on Ridley’s figure) 77 x 13 µm and choanosome tracts penetrate the surface in tufts. The geographical separation makes conspecificity unlikely.
</paragraph>
</subSubSection>
</treatment>
</document>
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