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<document id="662A9171F12A92D1142196268576F594" ID-DOI="10.11646/zootaxa.3856.1.4" ID-GBIF-Dataset="30dc2bd2-4cbc-49e7-8b8d-a890ed484441" ID-ISSN="1175-5326" ID-Zenodo-Dep="225384" ID-ZooBank="8A50EFE8-83AE-4298-B1EB-13805EB93AFF" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460888914644" checkinUser="plazi" docAuthor="Matsuyama, Kei, Janssen, Annika, Arbizu, Pedro Martínez, Martha, Silviu O. &amp; Freiwald, André" docDate="2014" docId="AC5C8787FFC4FFE342B0FA9ECF85FEE4" docLanguage="en" docName="zt03856p116.pdf" docOrigin="Zootaxa 3856 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Hippothyris aganactete Gordon 1984" docType="treatment" docVersion="8" lastPageNumber="112" masterDocId="5065FFFFFFCFFFEF4227FFD0CF6CFF81" masterDocTitle="Bryozoans from RV Sonne deep-sea cruises SO 167 Louisville and SO 205 Mangan" masterLastPageNumber="116" masterPageNumber="100" pageNumber="111" updateTime="1698359387771" updateUser="plazi">
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<mods:title id="E00F9A2C7748753E0B55AEA557C566AB">Bryozoans from RV Sonne deep-sea cruises SO 167 Louisville and SO 205 Mangan</mods:title>
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<treatment id="AC5C8787FFC4FFE342B0FA9ECF85FEE4" ID-DOI="http://doi.org/10.5281/zenodo.6141680" ID-GBIF-Taxon="119586840" ID-Zenodo-Dep="6141680" LSID="urn:lsid:plazi:treatment:AC5C8787FFC4FFE342B0FA9ECF85FEE4" httpUri="http://treatment.plazi.org/id/AC5C8787FFC4FFE342B0FA9ECF85FEE4" lastPageId="12" lastPageNumber="112" pageId="11" pageNumber="111">
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<paragraph id="244A3691FFC4FFE442B0FA9ECD1DFAE6" blockId="11.[151,625,1358,1419]" box="[151,625,1358,1383]" pageId="11" pageNumber="111">
<heading id="7F0281FDFFC4FFE442B0FA9ECD1DFAE6" bold="true" box="[151,625,1358,1383]" fontSize="10" level="2" pageId="11" pageNumber="111" reason="2">
<taxonomicName id="E3F54D12FFC4FFE442B0FA9ECD1DFAE6" ID-CoL="6M8M2" authority="Gordon, 1984" authorityName="Gordon" authorityYear="1984" box="[151,625,1358,1383]" class="Gymnolaemata" family="Bitectiporidae" genus="Hippothyris" kingdom="Animalia" order="Cheilostomatida" pageId="11" pageNumber="111" phylum="Bryozoa" rank="species" species="aganactete">
<emphasis id="1681EA83FFC4FFE442B0FA9ECD1DFAE6" bold="true" box="[151,625,1358,1383]" pageId="11" pageNumber="111">
<emphasis id="1681EA83FFC4FFE442B0FA9ECE4CFAE6" bold="true" box="[151,288,1358,1383]" italics="true" pageId="11" pageNumber="111">Hippothyris</emphasis>
cf.
<emphasis id="1681EA83FFC4FFE4436CFA9FCEABFAE7" bold="true" box="[331,455,1359,1382]" italics="true" pageId="11" pageNumber="111">aganactete</emphasis>
<bibRefCitation id="40644B60FFC4FFE443E9FA9ECD1DFAE6" author="Gordon" box="[462,625,1358,1383]" pageId="11" pageNumber="111" refString="Gordon, D. P. (1984) The marine fauna of New Zealand: Bryozoa: Gymnolaemata from the Kermadec Ridge. New Zealand Oceanographic Institute Memoir, 91, 1 - 198." type="journal article" year="1984">Gordon, 1984</bibRefCitation>
</emphasis>
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</heading>
</paragraph>
<paragraph id="244A3691FFC4FFE442B0FAA2CE47FA0A" blockId="11.[151,625,1358,1419]" box="[151,299,1394,1419]" pageId="11" pageNumber="111">
(
<figureCitation id="BCCE2A14FFC4FFE442B8FAA2CF88FA0B" box="[159,228,1394,1419]" captionStart="FIGURE 7. A F" captionStartId="12.[151,250,1552,1574]" captionTargetBox="[151,1436,411,1530]" captionTargetId="figure@12.[151,1436,411,1530]" captionTargetPageId="12" captionText="FIGURE 7. A F, Hippothyris cf. aganactete Gordon, 1984. A, ancestrular area. B, two marginal zooids, one with a broken ooecium. C, marginal zooids with large Avicularia. D, close-up of a large avicularium. E, ooecium and partly concealed orifice. F, orifice with small avicularium. G H, Haswelliporina? quinaria. G, stem fragment. H, autozooidal peristome. Scale bars: A, G, 1 mm; B, C, 300 Μm; D F, H, 100 Μm." httpUri="https://zenodo.org/record/225391/files/figure.png" pageId="11" pageNumber="111">Fig. 7</figureCitation>
, AF)
</paragraph>
</subSubSection>
<subSubSection id="6CEF651AFFC4FFE442B0FA6ACCDBFA76" pageId="11" pageNumber="111" type="materials_examined">
<paragraph id="244A3691FFC4FFE442B0FA6ACCDBFA76" blockId="11.[151,1437,1466,2031]" pageId="11" pageNumber="111">
<emphasis id="1681EA83FFC4FFE442B0FA6ACEECFA52" bold="true" box="[151,384,1466,1491]" pageId="11" pageNumber="111">Material examined.</emphasis>
<collectionCode id="42E4AE54FFC4FFE443A0FA6BCED3FA52" LSID="urn:lsid:biocol.org:col:34838" box="[391,447,1467,1491]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34838" name="Forschungsinstitut und Natur-Museum Senckenberg" pageId="11" pageNumber="111">SMF</collectionCode>
15007, SO 167 Stn 23,
<geoCoordinate id="41C15056FFC4FFE440EDFA6ACC3EFA52" box="[714,850,1466,1491]" direction="south" orientation="latitude" pageId="11" pageNumber="111" precision="1" value="-22.0615">22.06150° S</geoCoordinate>
<geoCoordinate id="41C15056FFC4FFE44146FA6ACC82FA52" box="[865,1006,1466,1491]" direction="south" orientation="latitude" pageId="11" pageNumber="111" precision="1" value="-22.06167">22.06167° S</geoCoordinate>
,
<geoCoordinate id="41C15056FFC4FFE441DCFA6ACBF3FA52" box="[1019,1183,1466,1491]" direction="west" orientation="longitude" pageId="11" pageNumber="111" precision="1" value="-176.2235">176.22350° W</geoCoordinate>
<geoCoordinate id="41C15056FFC4FFE44689FA6ACA3CFA53" box="[1198,1360,1466,1491]" direction="west" orientation="longitude" pageId="11" pageNumber="111" precision="1" value="-176.21632">176.21633° W</geoCoordinate>
, South
<collectingCountry id="5CE27601FFC4FFE442B0FA0FCFB1FA76" box="[151,221,1503,1527]" name="Tonga" pageId="11" pageNumber="111">Tonga</collectingCountry>
Volcanic Arc,
<quantity id="E30D9B74FFC4FFE443A3FA0ECD69FA77" box="[388,517,1502,1527]" metricMagnitude="2" metricUnit="m" metricValue="4.33" metricValueMax="5.1" metricValueMin="3.56" pageId="11" pageNumber="111" unit="m" value="433.0" valueMax="510.0" valueMin="356.0">356510 m</quantity>
, collected
<date id="504B1051FFC4FFE4405BFA0FCC50FA76" box="[636,828,1502,1527]" pageId="11" pageNumber="111" value="2002-10-18">18 October 2002</date>
. Bleached.
</paragraph>
</subSubSection>
<subSubSection id="6CEF651AFFC4FFE342E0F9D2CD94FF54" lastPageId="12" lastPageNumber="112" pageId="11" pageNumber="111" type="description">
<paragraph id="244A3691FFC4FFE442E0F9D2CD6AF897" blockId="11.[151,1437,1466,2031]" pageId="11" pageNumber="111">
<emphasis id="1681EA83FFC4FFE442E0F9D2CE35F99A" bold="true" box="[199,345,1538,1563]" pageId="11" pageNumber="111">Description.</emphasis>
Colony encrusting, multilamellar. Zooids slightly convex, about as wide as long with distinct boundaries (
<figureCitation id="BCCE2A14FFC4FFE44306F9F6CE09F9BF" box="[289,357,1574,1599]" captionStart="FIGURE 7. A F" captionStartId="12.[151,250,1552,1574]" captionTargetBox="[151,1436,411,1530]" captionTargetId="figure@12.[151,1436,411,1530]" captionTargetPageId="12" captionText="FIGURE 7. A F, Hippothyris cf. aganactete Gordon, 1984. A, ancestrular area. B, two marginal zooids, one with a broken ooecium. C, marginal zooids with large Avicularia. D, close-up of a large avicularium. E, ooecium and partly concealed orifice. F, orifice with small avicularium. G H, Haswelliporina? quinaria. G, stem fragment. H, autozooidal peristome. Scale bars: A, G, 1 mm; B, C, 300 Μm; D F, H, 100 Μm." httpUri="https://zenodo.org/record/225391/files/figure.png" pageId="11" pageNumber="111">Fig. 7</figureCitation>
, A). Periancestrular zooids rounded, later becoming pentagonal. Frontal shield with 23 rows of pores at periphery, central area imperforate and relatively smooth (
<figureCitation id="BCCE2A14FFC4FFE44180F99ACC9CF9E3" box="[935,1008,1610,1635]" captionStart="FIGURE 7. A F" captionStartId="12.[151,250,1552,1574]" captionTargetBox="[151,1436,411,1530]" captionTargetId="figure@12.[151,1436,411,1530]" captionTargetPageId="12" captionText="FIGURE 7. A F, Hippothyris cf. aganactete Gordon, 1984. A, ancestrular area. B, two marginal zooids, one with a broken ooecium. C, marginal zooids with large Avicularia. D, close-up of a large avicularium. E, ooecium and partly concealed orifice. F, orifice with small avicularium. G H, Haswelliporina? quinaria. G, stem fragment. H, autozooidal peristome. Scale bars: A, G, 1 mm; B, C, 300 Μm; D F, H, 100 Μm." httpUri="https://zenodo.org/record/225391/files/figure.png" pageId="11" pageNumber="111">Fig. 7</figureCitation>
, B). Orifice subquadrate with small, proximally situated condyles (
<figureCitation id="BCCE2A14FFC4FFE443CAF9BECD5FF907" box="[493,563,1646,1671]" captionStart="FIGURE 7. A F" captionStartId="12.[151,250,1552,1574]" captionTargetBox="[151,1436,411,1530]" captionTargetId="figure@12.[151,1436,411,1530]" captionTargetPageId="12" captionText="FIGURE 7. A F, Hippothyris cf. aganactete Gordon, 1984. A, ancestrular area. B, two marginal zooids, one with a broken ooecium. C, marginal zooids with large Avicularia. D, close-up of a large avicularium. E, ooecium and partly concealed orifice. F, orifice with small avicularium. G H, Haswelliporina? quinaria. G, stem fragment. H, autozooidal peristome. Scale bars: A, G, 1 mm; B, C, 300 Μm; D F, H, 100 Μm." httpUri="https://zenodo.org/record/225391/files/figure.png" pageId="11" pageNumber="111">Fig. 7</figureCitation>
, C); poster shallow and wide. Avicularium single, situated at either proximal corner of orifice, laterally orientated, with a thin, complete pivot-bar; most avicularia small and oval but, at edge of colony, huge, elongate avicularia can be observed, directed transversely towards zooid midline (
<figureCitation id="BCCE2A14FFC4FFE446D9F966CA2BF94F" box="[1278,1351,1718,1743]" captionStart="FIGURE 7. A F" captionStartId="12.[151,250,1552,1574]" captionTargetBox="[151,1436,411,1530]" captionTargetId="figure@12.[151,1436,411,1530]" captionTargetPageId="12" captionText="FIGURE 7. A F, Hippothyris cf. aganactete Gordon, 1984. A, ancestrular area. B, two marginal zooids, one with a broken ooecium. C, marginal zooids with large Avicularia. D, close-up of a large avicularium. E, ooecium and partly concealed orifice. F, orifice with small avicularium. G H, Haswelliporina? quinaria. G, stem fragment. H, autozooidal peristome. Scale bars: A, G, 1 mm; B, C, 300 Μm; D F, H, 100 Μm." httpUri="https://zenodo.org/record/225391/files/figure.png" pageId="11" pageNumber="111">Fig. 7</figureCitation>
, CD). Ooecium hyperstomial, globular, thin with numerous frontal pores (
<figureCitation id="BCCE2A14FFC4FFE441B5F90ACCB4F973" box="[914,984,1754,1779]" captionStart="FIGURE 7. A F" captionStartId="12.[151,250,1552,1574]" captionTargetBox="[151,1436,411,1530]" captionTargetId="figure@12.[151,1436,411,1530]" captionTargetPageId="12" captionText="FIGURE 7. A F, Hippothyris cf. aganactete Gordon, 1984. A, ancestrular area. B, two marginal zooids, one with a broken ooecium. C, marginal zooids with large Avicularia. D, close-up of a large avicularium. E, ooecium and partly concealed orifice. F, orifice with small avicularium. G H, Haswelliporina? quinaria. G, stem fragment. H, autozooidal peristome. Scale bars: A, G, 1 mm; B, C, 300 Μm; D F, H, 100 Μm." httpUri="https://zenodo.org/record/225391/files/figure.png" pageId="11" pageNumber="111">Fig. 7</figureCitation>
, B, E). Ancestrula like adult zooids, but much smaller; no spines present.
</paragraph>
<paragraph id="244A3691FFC4FFE442E0F8F2CE11F8BA" blockId="11.[151,1437,1466,2031]" box="[199,381,1826,1851]" pageId="11" pageNumber="111">
<emphasis id="1681EA83FFC4FFE442E0F8F2CE11F8BA" bold="true" box="[199,381,1826,1851]" pageId="11" pageNumber="111">Measurements.</emphasis>
</paragraph>
<paragraph id="244A3691FFC4FFE442E0F896CBD6F8DE" blockId="11.[151,1437,1466,2031]" box="[199,1210,1862,1887]" pageId="11" pageNumber="111">Zooid length 6521035 µm, σ = 97 µm, N = 10; width 7051155 µm, σ = 127 µm, N = 10</paragraph>
<paragraph id="244A3691FFC4FFE442E0F8BACBF1F802" blockId="11.[151,1437,1466,2031]" box="[199,1181,1898,1923]" pageId="11" pageNumber="111">Orifice length 126188 µm, σ = 17 µm, N = 10; width 138178 µm, σ = 17 µm, N = 10</paragraph>
<paragraph id="244A3691FFC4FFE442E0F85ECC69F826" blockId="11.[151,1437,1466,2031]" box="[199,773,1934,1959]" pageId="11" pageNumber="111">Ooecium diameter 405483 µm, σ =31 µm, N = 10</paragraph>
<paragraph id="244A3691FFC4FFE442E0F862CBA4F84A" blockId="11.[151,1437,1466,2031]" box="[199,1224,1970,1995]" pageId="11" pageNumber="111">Small avicularium length 6987 µm, σ = 6 µm, N = 10; width 3548 µm, σ = 4 µm, N = 10</paragraph>
<paragraph id="244A3691FFC4FFE442E0F807CB9CF86E" blockId="11.[151,1437,1466,2031]" box="[199,1264,2006,2031]" pageId="11" pageNumber="111">Large avicularium length 323391 µm, σ = 28 µm, N = 3; width 116126 µm, σ = 3 µm, N = 3</paragraph>
<paragraph id="244A3691FFC3FFE342E0FF47CDF9FF2E" blockId="12.[151,1436,151,357]" box="[199,661,151,176]" pageId="12" pageNumber="112">Ancestrula length 615 Μm; width 386 Μm</paragraph>
<paragraph id="244A3691FFC3FFE342E0FF6CCD94FF54" blockId="12.[151,1436,151,357]" box="[199,760,188,213]" pageId="12" pageNumber="112">Ancestrular orifice length 158 µm; width 149 µm.</paragraph>
</subSubSection>
<subSubSection id="6CEF651AFFC3FFE342E0FF0FCF85FEE4" pageId="12" pageNumber="112" type="discussion">
<paragraph id="244A3691FFC3FFE342E0FF0FCF85FEE4" blockId="12.[151,1436,151,357]" pageId="12" pageNumber="112">
<emphasis id="1681EA83FFC3FFE342E0FF0FCE57FF79" bold="true" box="[199,315,223,248]" pageId="12" pageNumber="112">Remarks.</emphasis>
The sole colony is very similar to
<taxonomicName id="E3F54D12FFC3FFE340FFFF31CC14FF79" box="[728,888,225,248]" class="Gymnolaemata" family="Bitectiporidae" genus="Hippothyris" kingdom="Animalia" order="Cheilostomatida" pageId="12" pageNumber="112" phylum="Bryozoa" rank="species" species="aganactete">
<emphasis id="1681EA83FFC3FFE340FFFF31CC14FF79" box="[728,888,225,248]" italics="true" pageId="12" pageNumber="112">H. aganactete</emphasis>
</taxonomicName>
from the Kermadec Ridge but differs from the description by
<bibRefCitation id="40644B60FFC3FFE3431AFED4CE88FE9D" author="Gordon" box="[317,484,260,285]" pageId="12" pageNumber="112" refString="Gordon, D. P. (1984) The marine fauna of New Zealand: Bryozoa: Gymnolaemata from the Kermadec Ridge. New Zealand Oceanographic Institute Memoir, 91, 1 - 198." type="journal article" year="1984">Gordon (1984)</bibRefCitation>
in the smaller zooid size, which might be due to its youthfulness. However, this does not explain the absence of ancestrular spines. Another difference is the presence of large avicularia at the rim of the colony.
</paragraph>
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</treatment>
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