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<document id="20C377C6F08BE616218381401E673498" ID-DOI="10.11646/zootaxa.3700.4.5" ID-GBIF-Dataset="0565fe64-44b4-44fe-abcc-68774da317ea" ID-ISSN="1175-5326" ID-Zenodo-Dep="223279" ID-ZooBank="B6C466E2-C47B-437C-90E5-AB2091BD7BD8" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460664672260" checkinUser="plazi" docAuthor="Lehnert, Helmut &amp; Stone, Robert P." docDate="2013" docId="03DD1F42CB1F184A41EBFC3FFD85B053" docLanguage="en" docName="zt03700p582.pdf" docOrigin="Zootaxa 3700 (4)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Cladocroce attu Lehnert &amp; Stone, 2013, n. sp." docType="treatment" docVersion="9" lastPageNumber="579" masterDocId="FFE4673ACB1A184C417CFFEBFFD9B75B" masterDocTitle="Four new species of Haplosclerida (Porifera, Demospongiae) from the Aleutian Islands, Alaska" masterLastPageNumber="582" masterPageNumber="573" pageNumber="578" updateTime="1698347751187" updateUser="plazi">
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<mods:title id="97A5F2858B5338D8E61CFDD5BEE930EE">Four new species of Haplosclerida (Porifera, Demospongiae) from the Aleutian Islands, Alaska</mods:title>
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<mods:namePart id="19D91D64CD2F4CD32E00081297CA46A6">Lehnert, Helmut</mods:namePart>
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<mods:namePart id="EA4C98D2BD11644CF96DBBB93463D2CB">Stone, Robert P.</mods:namePart>
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<mods:date id="C42B4C27270878B47F4EB8AA7C51C304">2013</mods:date>
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<treatment id="03DD1F42CB1F184A41EBFC3FFD85B053" ID-DOI="http://doi.org/10.5281/zenodo.6163039" ID-GBIF-Taxon="119575076" ID-Zenodo-Dep="6163039" LSID="urn:lsid:plazi:treatment:03DD1F42CB1F184A41EBFC3FFD85B053" httpUri="http://treatment.plazi.org/id/03DD1F42CB1F184A41EBFC3FFD85B053" lastPageId="6" lastPageNumber="579" pageId="5" pageNumber="578">
<subSubSection id="C36EFDDFCB1F184941EBFC3FFF32B354" pageId="5" pageNumber="578" type="nomenclature">
<paragraph id="8BCBAE54CB1F184941EBFC3FFE79B4B5" blockId="5.[151,416,980,1039]" box="[151,416,980,1006]" pageId="5" pageNumber="578">
<heading id="D0831938CB1F184941EBFC3FFE79B4B5" bold="true" box="[151,416,980,1006]" fontSize="11" level="1" pageId="5" pageNumber="578" reason="1">
<emphasis id="B9007246CB1F184941EBFC3FFE79B4B5" bold="true" box="[151,416,980,1006]" pageId="5" pageNumber="578">
<taxonomicName id="4C74D5D7CB1F184941EBFC3FFE8FB4B5" ID-CoL="VP24" box="[151,342,980,1006]" class="Demospongiae" family="Chalinidae" genus="Cladocroce" kingdom="Animalia" order="Haplosclerida" pageId="5" pageNumber="578" phylum="Porifera" rank="species" species="attu" status="sp. nov.">
<emphasis id="B9007246CB1F184941EBFC3FFE8FB4B5" bold="true" box="[151,342,980,1006]" italics="true" pageId="5" pageNumber="578">Cladocroce attu</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A233CF3DCB1F18494021FC3FFE79B4B5" box="[349,416,980,1006]" pageId="5" pageNumber="578" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8BCBAE54CB1F184941EBFC1DFF32B354" blockId="5.[151,416,980,1039]" box="[151,235,1014,1039]" pageId="5" pageNumber="578">(Fig. 4)</paragraph>
</subSubSection>
<subSubSection id="C36EFDDFCB1F184941EBFBD5FDB9B3C4" pageId="5" pageNumber="578" type="materials_examined">
<paragraph id="8BCBAE54CB1F184941EBFBD5FDB9B3C4" blockId="5.[151,1437,1086,1975]" pageId="5" pageNumber="578">
<emphasis id="B9007246CB1F184941EBFBD5FE51B30C" bold="true" box="[151,392,1086,1111]" pageId="5" pageNumber="578">Material examined.</emphasis>
<typeStatus id="54CF10F6CB1F184940EAFBD5FDDAB30C" box="[406,515,1086,1111]" pageId="5" pageNumber="578" type="holotype">Holotype</typeStatus>
: USNM# 1202119, collected by Jim Stark on
<date id="FFCA8894CB1F1849453DFBD4FB39B30C" box="[1089,1248,1086,1111]" pageId="5" pageNumber="578" value="2012-07-30">30 July 2012</date>
at
<geoCoordinate id="EE40C893CB1F1849446DFBD5FA4EB30C" box="[1297,1431,1086,1111]" direction="north" orientation="latitude" pageId="5" pageNumber="578" precision="9" value="52.817833">52°49.07´N</geoCoordinate>
,
<geoCoordinate id="EE40C893CB1F184941EBFB89FEF1B320" box="[151,296,1122,1147]" direction="east" orientation="longitude" pageId="5" pageNumber="578" precision="9" value="172.10133">172°06.08´E</geoCoordinate>
,
<quantity id="4C8C03B1CB1F18494048FB89FE48B320" box="[308,401,1122,1147]" metricMagnitude="4" metricUnit="m" metricValue="2.57" pageId="5" pageNumber="578" unit="km" value="25.7">25.7 km</quantity>
WSW of Cape Wrangell,
<taxonomicName id="4C74D5D7CB1F184943C6FB88FD35B320" box="[698,748,1123,1147]" class="Demospongiae" family="Chalinidae" genus="Cladocroce" kingdom="Animalia" order="Haplosclerida" pageId="5" pageNumber="579" phylum="Porifera" rank="species" species="attu" status="sp. nov.">Attu</taxonomicName>
Island, western Aleutian Islands, Alaska,
<collectingCountry id="F363EEC4CB1F184945B4FB88FADAB320" box="[1224,1283,1123,1147]" name="United States of America" pageId="5" pageNumber="578">USA</collectingCountry>
, at a depth of
<quantity id="4C8C03B1CB1F184941EBFB6DFF07B3C5" box="[151,222,1158,1183]" metricMagnitude="2" metricUnit="m" metricValue="3.5799999999999996" pageId="5" pageNumber="578" unit="m" value="358.0">358 m</quantity>
and a water temperature of 3.8°C.
</paragraph>
</subSubSection>
<subSubSection id="C36EFDDFCB1F184941BBFB41FD9EB114" pageId="5" pageNumber="578" type="description">
<paragraph id="8BCBAE54CB1F184941BBFB41FD9EB114" blockId="5.[151,1437,1086,1975]" pageId="5" pageNumber="578">
<emphasis id="B9007246CB1F184941BBFB41FE80B398" bold="true" box="[199,345,1194,1219]" pageId="5" pageNumber="578">Description.</emphasis>
The sponge is funnel-shaped, stalked, and golden brown in color. The sponge was attached to a small cobble (
<quantity id="4C8C03B1CB1F1849404FFB24FE5AB3BD" box="[307,387,1231,1255]" metricMagnitude="-2" metricUnit="m" metricValue="7.3" pageId="5" pageNumber="578" unit="mm" value="73.0">73 mm</quantity>
<date id="FFCA8894CB1F184940F5FB24FE60B3BC" box="[393,441,1231,1255]" pageId="5" pageNumber="578" value="1944-10">
x
<quantity id="4C8C03B1CB1F184940E1FB24FE60B3BC" box="[413,441,1231,1255]" metricMagnitude="-2" metricUnit="m" metricValue="4.4" pageId="5" pageNumber="578" unit="mm" value="44.0">44</quantity>
</date>
mm
<date id="FFCA8894CB1F1849408EFB24FDFBB3BC" box="[498,546,1231,1255]" pageId="5" pageNumber="578" value="1928-10">
x
<quantity id="4C8C03B1CB1F1849437AFB24FDFBB3BC" box="[518,546,1231,1255]" metricMagnitude="-2" metricUnit="m" metricValue="2.8" pageId="5" pageNumber="578" unit="mm" value="28.0">28</quantity>
</date>
mm). The specimen was torn but otherwise is of firm consistency, resilient, and difficult to tear in the direction of the spicule tracts. The specimen has a maximum height of
<quantity id="4C8C03B1CB1F184945E0FB18FB39B251" box="[1180,1248,1267,1291]" metricMagnitude="-1" metricUnit="m" metricValue="2.8" pageId="5" pageNumber="578" unit="cm" value="28.0">28 cm</quantity>
while the funnel reaches a maximum diameter of about
<quantity id="4C8C03B1CB1F1849432FFAFDFD40B275" box="[595,665,1302,1327]" metricMagnitude="-1" metricUnit="m" metricValue="2.5" pageId="5" pageNumber="578" unit="cm" value="25.0">25 cm</quantity>
(Fig. 4A). The stalk is almost
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long and has a smooth surface, macroscopically different from the highly porous surfaces of the funnel (Fig. 4B). The stalk is approximately
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in diameter and widens to
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at both ends. The inner surface of the funnel is smooth while the outer surface of the funnel is somewhat ribbed and covered with meandering, sometimes branched ridges
<quantity id="4C8C03B1CB1F184945FFFA68FB39B2C1" box="[1155,1248,1411,1435]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" metricValueMax="2.0" metricValueMin="1.0" pageId="5" pageNumber="578" unit="mm" value="1.5" valueMax="2.0" valueMin="1.0">12 mm</quantity>
in height and
<quantity id="4C8C03B1CB1F184944FCFA68FF0EB2E5" metricMagnitude="-3" metricUnit="m" metricValue="2.0" metricValueMax="3.0" metricValueMin="1.0" pageId="5" pageNumber="578" unit="mm" value="2.0" valueMax="3.0" valueMin="1.0">1 3 mm</quantity>
in width (Fig. 4B). The thickness of the funnel wall is about
<quantity id="4C8C03B1CB1F18494202FA4DFC02B2E5" box="[894,987,1446,1471]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" metricValueMax="5.0" metricValueMin="3.0" pageId="5" pageNumber="578" unit="mm" value="4.0" valueMax="5.0" valueMin="3.0">35 mm</quantity>
and the margin of the funnel is irregular in outline. The specimen harboured several ophiuroid associates. As is usual for the genus, a special ectosome is not developed and the choanosome consists of ascending paucispicular tracts connected by single spicules. Independent pauci- to polyspicular tracts run through the skeleton of this sponge (Figs. 4C, D &amp; E). Spicules are oxeas, 158183
<date id="FFCA8894CB1F18494031F9DCFE70B114" box="[333,425,1590,1615]" pageId="5" pageNumber="578" value="1914-10-16">x 1416</date>
µm (Fig. 4F).
</paragraph>
</subSubSection>
<subSubSection id="C36EFDDFCB1F184941BBF9B1FE1DB034" pageId="5" pageNumber="578" type="discussion">
<paragraph id="8BCBAE54CB1F184941BBF9B1FD37B184" blockId="5.[151,1437,1086,1975]" pageId="5" pageNumber="578">
<emphasis id="B9007246CB1F184941BBF9B1FE95B128" bold="true" box="[199,332,1626,1651]" pageId="5" pageNumber="578">Discussion.</emphasis>
Comparing with the same species as
<taxonomicName id="4C74D5D7CB1F1849438DF9B0FC7FB128" box="[753,934,1626,1651]" class="Demospongiae" family="Chalinidae" genus="Cladocroce" kingdom="Animalia" order="Haplosclerida" pageId="5" pageNumber="578" phylum="Porifera" rank="species" species="infundibulum" status="sp. nov.">
<emphasis id="B9007246CB1F1849438DF9B0FCDDB129" box="[753,772,1627,1650]" italics="true" pageId="5" pageNumber="578">C</emphasis>
.
<emphasis id="B9007246CB1F1849426DF9B1FC7FB128" box="[785,934,1626,1651]" italics="true" pageId="5" pageNumber="578">infundibulum</emphasis>
</taxonomicName>
<emphasis id="B9007246CB1F184942D2F9B1FC34B128" bold="true" box="[942,1005,1626,1651]" pageId="5" pageNumber="578">
<taxonomicNameLabel id="A233CF3DCB1F184942D2F9B1FC34B128" box="[942,1005,1626,1651]" pageId="5" pageNumber="578" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
we find that
<taxonomicName id="4C74D5D7CB1F184945FDF9B0FB05B128" box="[1153,1244,1627,1651]" class="Demospongiae" family="Chalinidae" genus="Cladocroce" kingdom="Animalia" order="Haplosclerida" pageId="5" pageNumber="578" phylum="Porifera" rank="species" species="reina">
<emphasis id="B9007246CB1F184945FDF9B0FB4DB129" box="[1153,1172,1627,1650]" italics="true" pageId="5" pageNumber="578">C</emphasis>
.
<emphasis id="B9007246CB1F184945DEF9B7FB05B128" box="[1186,1244,1628,1651]" italics="true" pageId="5" pageNumber="578">reina</emphasis>
</taxonomicName>
has only slightly smaller oxeas but these are less than half of the thickness and
<taxonomicName id="4C74D5D7CB1F1849422AF994FC6BB1CD" box="[854,946,1663,1686]" class="Demospongiae" family="Chalinidae" genus="Cladocroce" kingdom="Animalia" order="Haplosclerida" pageId="5" pageNumber="578" phylum="Porifera" rank="species" species="reina">
<emphasis id="B9007246CB1F1849422AF994FCB0B1CD" box="[854,873,1663,1686]" italics="true" pageId="5" pageNumber="578">C</emphasis>
.
<emphasis id="B9007246CB1F18494204F994FC6BB1CD" box="[888,946,1663,1686]" italics="true" pageId="5" pageNumber="578">reina</emphasis>
</taxonomicName>
is a shallow water species from the Pacific Coast of
<collectingCountry id="F363EEC4CB1F18494187F949FE8DB1E0" box="[251,340,1698,1723]" name="Mexico" pageId="5" pageNumber="578">Mexico</collectingCountry>
. The growth form of
<taxonomicName id="4C74D5D7CB1F1849433EF948FD57B1E0" box="[578,654,1699,1723]" class="Demospongiae" family="Chalinidae" genus="Cladocroce" kingdom="Animalia" order="Haplosclerida" pageId="5" pageNumber="578" phylum="Porifera" rank="species" species="attu" status="sp. nov.">
<emphasis id="B9007246CB1F1849433EF948FD8CB1E1" box="[578,597,1699,1722]" italics="true" pageId="5" pageNumber="578">C</emphasis>
.
<emphasis id="B9007246CB1F1849431EF94FFD57B1E0" box="[610,654,1700,1723]" italics="true" pageId="5" pageNumber="578">attu</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A233CF3DCB1F184943E8F949FD0AB1E0" box="[660,723,1698,1723]" pageId="5" pageNumber="578" rank="species">
<emphasis id="B9007246CB1F184943E8F949FD0AB1E0" bold="true" box="[660,723,1698,1723]" pageId="5" pageNumber="578">n. sp.</emphasis>
</taxonomicNameLabel>
looks very much like
<taxonomicName id="4C74D5D7CB1F184942B7F949FAB2B1E0" authority="Lambe, 1892" authorityName="Lambe" authorityYear="1892" box="[971,1387,1698,1723]" class="Demospongiae" family="Isodictyidae" genus="Isodictya" kingdom="Animalia" order="Poecilosclerida" pageId="5" pageNumber="578" phylum="Porifera" rank="species" species="quatsinoensis">
<emphasis id="B9007246CB1F184942B7F949FB09B1E0" box="[971,1232,1698,1723]" italics="true" pageId="5" pageNumber="578">Isodictya quatsinoensis</emphasis>
Lambe, 1892
</taxonomicName>
but, of course, can be easily distinguished by the spicules.
</paragraph>
<paragraph id="8BCBAE54CB1F184941BBF901FE1DB034" blockId="5.[151,1437,1086,1975]" pageId="5" pageNumber="578">
The specimen was collected remotely with a research trawl so we did not visually observe the seafloor habitat where the specimen resided. However, the specimen was attached to a small rounded cobble at a depth of
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that would indicate that this species is found on relatively flat habitat consisting of unconsolidated sediments with pebbles and small cobbles.
</paragraph>
</subSubSection>
<subSubSection id="C36EFDDFCB1F184A41BBF891FD85B053" lastPageId="6" lastPageNumber="579" pageId="5" pageNumber="578" type="etymology">
<paragraph id="8BCBAE54CB1F184941BBF891FED4B0EC" blockId="5.[151,1437,1086,1975]" pageId="5" pageNumber="578">
<emphasis id="B9007246CB1F184941BBF891FE97B0C8" bold="true" box="[199,334,1914,1939]" pageId="5" pageNumber="578">Etymology.</emphasis>
<taxonomicName id="4C74D5D7CB1F18494026F891FDCAB0C8" box="[346,531,1914,1939]" class="Demospongiae" family="Chalinidae" genus="Cladocroce" kingdom="Animalia" order="Haplosclerida" pageId="5" pageNumber="578" phylum="Porifera" rank="species" species="attu">
<emphasis id="B9007246CB1F18494026F891FDCAB0C8" box="[346,531,1914,1939]" italics="true" pageId="5" pageNumber="578">Cladocroce attu</emphasis>
</taxonomicName>
is named after
<taxonomicName id="4C74D5D7CB1F184943A9F890FCDEB0C8" box="[725,775,1915,1939]" class="Demospongiae" family="Chalinidae" genus="Cladocroce" kingdom="Animalia" order="Haplosclerida" pageId="5" pageNumber="579" phylum="Porifera" rank="species" species="attu" status="sp. nov.">Attu</taxonomicName>
Island in the western Aleutian Islands, near the site of collection.
</paragraph>
<paragraph id="8BCBAE54CB1C184A41EBF978FD85B053" blockId="6.[151,1436,1681,1800]" pageId="6" pageNumber="579">
<emphasis id="B9007246CB1C184A41EBF978FECDB1F3" bold="true" box="[151,276,1683,1705]" pageId="6" pageNumber="579">FIGURE 4.</emphasis>
<taxonomicName id="4C74D5D7CB1C184A4067F978FE66B1F2" box="[283,447,1683,1705]" class="Demospongiae" family="Chalinidae" genus="Cladocroce" kingdom="Animalia" order="Haplosclerida" pageId="6" pageNumber="579" phylum="Porifera" rank="species" species="attu" status="sp. nov.">
<emphasis id="B9007246CB1C184A4067F978FE66B1F2" box="[283,447,1683,1705]" italics="true" pageId="6" pageNumber="579">Cladocroce attu</emphasis>
</taxonomicName>
<emphasis id="B9007246CB1C184A40BBF97FFDD8B1F2" bold="true" box="[455,513,1684,1705]" pageId="6" pageNumber="579">
<taxonomicNameLabel id="A233CF3DCB1C184A40BBF97FFDD8B1F2" box="[455,513,1684,1705]" pageId="6" pageNumber="579" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
A.
<typeStatus id="54CF10F6CB1C184A4354F978FD5AB1F2" box="[552,643,1683,1705]" pageId="6" pageNumber="579" type="holotype">holotype</typeStatus>
, grid marks are
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2. B. Close-up of basal area showing ridges on the outer surface and smaller circular apertures in between. Grid marks are
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2. C. Numerous polyspicular tracts running through choanosomal reticulation. Scale bar is 250 µm. D. Polyspicular tracts. Scale bar is 250 µm. E. Close-up of polyspicular tracts. Scale bar is 250 µm. F. SEM photo of oxeas.
</paragraph>
</subSubSection>
</treatment>
</document>