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<document id="F3B93BA23D8B7CF7679AEC9CECB60C73" ID-CLB-Dataset="5433" ID-DOI="10.1046/j.1096-3642.2002.00020.x" ID-GBIF-Dataset="61176e3b-9cfb-499f-be30-cfde91a58a48" ID-ISSN="0024-4082" ID-Zenodo-Dep="4634178" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1616618154780" checkinUser="carolina" docAuthor="Gordon, Dennis P., Mawatari, Shunsuke F. &amp; Kajihara, Hiroshi" docDate="2002" docId="039B3920286B774BFF5CFCD3FC47D288" docLanguage="en" docName="ZoolJLinnSoc.136.199-216.pdf" docOrigin="Zoological Journal of the Linnean Society 136 (2)" docSource="https://academic.oup.com/zoolinnean/article-lookup/doi/10.1046/j.1096-3642.2002.00020.x" docStyle="DocumentStyle:0DD8C314D74634CE09062A86991413F8.2:ZoolJLinnSoc.2002-2009.journal_article" docStyleId="0DD8C314D74634CE09062A86991413F8" docStyleName="ZoolJLinnSoc.2002-2009.journal_article" docStyleVersion="2" docTitle="Eurystomella biperforata, SP. NOV." docType="treatment" docVersion="7" lastPageNumber="203" masterDocId="FFA24158286F774FFF82FF9DFF83D724" masterDocTitle="New taxa of Japanese and New Zealand Eurystomellidae (Phylum Bryozoa) and their phylogenetic relationships" masterLastPageNumber="216" masterPageNumber="199" pageNumber="203" updateTime="1698934726537" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
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<mods:title id="F79B6CDAC2FC0ACE3C0806929C0927D2">New taxa of Japanese and New Zealand Eurystomellidae (Phylum Bryozoa) and their phylogenetic relationships</mods:title>
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<taxonomicName id="4C32F3B5286B774BFF5CFCD3FDC0D441" ID-CoL="3D6VC" authority="Gordon, Mawatari &amp; Kajihara" authorityYear="2002" box="[222,579,846,870]" class="Gymnolaemata" family="Eurystomellidae" genus="Eurystomella" kingdom="Animalia" order="Cheilostomatida" pageId="4" pageNumber="203" phylum="Bryozoa" rank="species" species="biperforata" status="sp. nov.">EURYSTOMELLA BIPERFORATA</taxonomicName>
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(
<figureCitation id="130994B3286B774BFE08FCEFFE7CD4A2" box="[394,511,878,902]" captionStart="Figure 1" captionStartId="3.[156,235,1812,1833]" captionTargetBox="[156,1439,195,1781]" captionTargetId="figure-28@3.[156,1439,195,1781]" captionTargetPageId="3" captionText="Figure 1. A, B, Eurystomella foraminigera. Greta Point, Wellington, intertidal. A, group of zooids, ¥65. B, suboral rim, showing triradiate suture, ¥803. C-E, Eurystomella biperforata sp. nov. C,E, NZOI Stn Z9700. C, group of autozooids, ¥53. D, NZOI Stn Z9677, maternal zooid with distal foraminate kenozooid, ¥95. E, rare zooid with a single foramen, ¥163. F, Eurystomella aupouria sp. nov. NZOI Stn Z9716, ¥63." figureDoi="http://doi.org/10.5281/zenodo.4634182" httpUri="https://zenodo.org/record/4634182/files/figure.png" pageId="4" pageNumber="203">FIG. 1CE</figureCitation>
)
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<taxonomicName id="4C32F3B5286B774BFF13FC0AFD26D489" ID-CoL="3D6VD" authority=": Brown 1952: 286" authorityName=": Brown" authorityPageNumber="286" authorityYear="1952" box="[145,677,919,941]" class="Gymnolaemata" family="Eurystomellidae" genus="Eurystomella" kingdom="Animalia" order="Cheilostomatida" pageId="4" pageNumber="203" phylum="Bryozoa" rank="species" species="foraminigera">
<emphasis id="B9465424286B774BFF13FC0AFE53D488" box="[145,464,919,940]" italics="true" pageId="4" pageNumber="203">Eurystomella foraminigera:</emphasis>
<bibRefCitation id="EFA3F5C7286B774BFE59FC0AFD26D489" author="Brown DA" box="[475,677,919,941]" pageId="4" pageNumber="203" refId="ref10232" refString="Brown DA. 1952. The Tertiary Cheilostomatous Polyzoa of New Zealand. London: Trustees of the British Museum." type="book" year="1952">Brown 1952: 286</bibRefCitation>
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(part), fig. 216 (not fig. 215);
<treatmentCitation id="0A93AE27286B774BFE30FC28FDFAD4EF" author="Powell NA" box="[434,633,949,971]" page="310" pageId="4" pageNumber="203" year="1967">
<bibRefCitation id="EFA3F5C7286B774BFE30FC28FDFAD4EF" author="Powell NA" box="[434,633,949,971]" pageId="4" pageNumber="203" pagination="199 - 394" refId="ref11587" refString="Powell NA. 1967. Polyzoa (Bryozoa) - Ascophora, from North New Zealand. Discovery Reports 34: 199 - 394." type="journal article" year="1967">Powell 1967: 310</bibRefCitation>
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(part), fig. 66ab;
<treatmentCitation id="0A93AE27286B774BFF7DFC49FDCDD4CD" author="Uttley GH &amp; Bullivant JS" box="[255,590,980,1002]" page="47" pageId="4" pageNumber="203" year="1972">
<bibRefCitation id="EFA3F5C7286B774BFF7DFC49FDCDD4CD" author="Uttley GH &amp; Bullivant JS" box="[255,590,980,1002]" pageId="4" pageNumber="203" pagination="1 - 61" refId="ref11973" refString="Uttley GH, Bullivant JS. 1972. Biological results of the Chatham Islands 1954 Expedition. Part 7. Bryozoa Cheilostomata. Memoirs, New Zealand Oceanographic Institute 57: 1 - 61." type="journal article" year="1972">Uttley &amp; Bullivant 1972: 47</bibRefCitation>
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;
<treatmentCitation id="0A93AE27286B774BFDDFFC49FF47D32D" author="Gordon DP" page="65" pageId="4" pageNumber="203" year="1984">
<bibRefCitation id="EFA3F5C7286B774BFDDFFC49FF47D32D" author="Gordon DP" pageId="4" pageNumber="203" pagination="1 - 198" refId="ref10525" refString="Gordon DP. 1984. The marine fauna of New Zealand: Bryozoa: Gymnolaemata from the Kermadec Ridge. Memoirs, New Zealand Oceanographic Institute 91: 1 - 198." type="journal article" year="1984">Gordon 1984: 65</bibRefCitation>
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(part), pl. 21f; 1989: 17 (part), pl. 4 ac.
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<emphasis id="B9465424286B774BFF13FBD8FEECD379" box="[145,367,1093,1117]" italics="true" pageId="4" pageNumber="203">Material examined</emphasis>
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<materialsCitation id="3B5A826B286B774BFF13FBF8FF77D39D" ID-GBIF-Occurrence="3322647302" collectionCode="NZOI" collectorName="Stn B" country="New Zealand" elevation="26" location="Foveaux Strait" pageId="4" pageNumber="203" specimenCount="1" typeStatus="holotype">
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:
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H-748, from
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230, 46°40.0¢S, 168°02.5¢E,
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:
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P-1217, from
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9697, 34°21.06¢S, 172°42.53¢E,
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.
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Other material:
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Stns B220, B221, B224, B230, B235, D273, K837, Z9671, Z9677, Z9678, Z9687, Z9695, Z9697, Z9700, Z9708, Z9710, Z9716.
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1954 Expedition Stn 24, 69 m (see
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)
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.
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Form of colony and colony colour as in
<taxonomicName id="4C32F3B5286B774BFDDCF996FF36D11B" authorityName=": Brown" authorityYear="1952" class="Gymnolaemata" family="Eurystomellidae" genus="Eurystomella" kingdom="Animalia" order="Cheilostomatida" pageId="4" pageNumber="203" phylum="Bryozoa" rank="species" species="foraminigera">
<emphasis id="B9465424286B774BFDDCF996FF36D11B" italics="true" pageId="4" pageNumber="203">E. foraminigera</emphasis>
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. Autozooids contiguous, quincuncially arranged,
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long (0.53 ±
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) and
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wide (0.36 ±
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). Gymnocystal frontal shield scarcely elevated, perforated by 2, exceptionally 1 (or
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proximally elongated zooids), large oval to circular foramina; if oval, often with the long axes directed obliquely away from each other; shield surface smooth proximal to foramina. Orifice as in
<taxonomicName id="4C32F3B5286B774BFDB8F89CFD71D031" authorityName=": Brown" authorityYear="1952" box="[570,754,1792,1814]" class="Gymnolaemata" family="Eurystomellidae" genus="Eurystomella" kingdom="Animalia" order="Cheilostomatida" pageId="4" pageNumber="203" phylum="Bryozoa" rank="species" species="foraminigera">
<emphasis id="B9465424286B774BFDB8F89CFD71D031" box="[570,754,1792,1814]" italics="true" pageId="4" pageNumber="203">E. foraminigera</emphasis>
</taxonomicName>
, the proximolateral corners also having a slight excavation of the gymnocystal surface beyond the indentations of the orifice. No peristome, umbones, spines, or avicularia; low bosses may be on the frontal shield between the orifice and foramina in some zooids. Maternal zooids and kenozooids as in
<taxonomicName id="4C32F3B5286B774BFB55FE9EFA09D63C" authorityName=": Brown" authorityYear="1952" box="[1239,1418,259,280]" class="Gymnolaemata" family="Eurystomellidae" genus="Eurystomella" kingdom="Animalia" order="Cheilostomatida" pageId="4" pageNumber="203" phylum="Bryozoa" rank="species" species="foraminigera">
<emphasis id="B9465424286B774BFB55FE9EFA09D63C" box="[1239,1418,259,280]" italics="true" pageId="4" pageNumber="203">E. foraminigera</emphasis>
</taxonomicName>
, including the size of the kenozooid and its foramen, except that the maternal orifice is more consistently broader (
<quantity id="4CCA25D3286B774BFC10FEC2FC71D650" box="[914,1010,351,372]" metricMagnitude="-4" metricUnit="m" metricValue="2.3" pageId="4" pageNumber="203" unit="mm" value="0.23">0.23 mm</quantity>
wide at the proximal margin) than that of other zooids (
<quantity id="4CCA25D3286B774BFBA7FEE0FB4BD6B7" box="[1061,1224,381,403]" metricMagnitude="-4" metricUnit="m" metricValue="1.75" metricValueMax="1.9" metricValueMin="1.6" pageId="4" pageNumber="203" unit="mm" value="0.175" valueMax="0.19" valueMin="0.16">0.160.19 mm</quantity>
). Zooids likewise communicating by distal and lateral pore-chambers and the ancestrula (0.38 ¥
<quantity id="4CCA25D3286B774BFBFAFE26FB5AD6F4" box="[1144,1241,443,464]" metricMagnitude="-4" metricUnit="m" metricValue="3.4" pageId="4" pageNumber="203" unit="mm" value="0.34">0.34 mm</quantity>
) has the same form.
</paragraph>
<paragraph id="8B8D8836286B774BFCABFDB6FC20D567" blockId="4.[809,1425,555,671]" box="[809,931,555,579]" pageId="4" pageNumber="203">
<emphasis id="B9465424286B774BFCABFDB6FC20D567" box="[809,931,555,579]" italics="true" pageId="4" pageNumber="203">Etymology</emphasis>
</paragraph>
<paragraph id="8B8D8836286B774BFCABFDD1FBABD5BB" blockId="4.[809,1425,555,671]" pageId="4" pageNumber="203">
From
<emphasis id="B9465424286B774BFCF0FDD1FC0BD545" box="[882,904,588,609]" italics="true" pageId="4" pageNumber="203">bi</emphasis>
- (L) two, and
<emphasis id="B9465424286B774BFBBAFDD1FB2FD545" box="[1080,1196,588,609]" italics="true" pageId="4" pageNumber="203">perforatus</emphasis>
(L) bored through, alluding to the two perforations of the kenozooid distal to the maternal zooid.
</paragraph>
<paragraph id="8B8D8836286B774BFCABFD46FC12D5D7" blockId="4.[809,1425,731,1184]" box="[809,913,731,755]" pageId="4" pageNumber="203">
<emphasis id="B9465424286B774BFCABFD46FC12D5D7" box="[809,913,731,755]" italics="true" pageId="4" pageNumber="203">Remarks</emphasis>
</paragraph>
<paragraph id="8B8D8836286B774BFCABFD61FB3FD384" blockId="4.[809,1425,731,1184]" pageId="4" pageNumber="203">
<taxonomicName id="4C32F3B5286B774BFCABFD61FBC6D435" authorityName="Gordon &amp; Mawatari &amp; Kajihara" authorityYear="2002" box="[809,1093,764,785]" class="Gymnolaemata" family="Eurystomellidae" genus="Eurystomella" kingdom="Animalia" order="Cheilostomatida" pageId="4" pageNumber="203" phylum="Bryozoa" rank="species" species="biperforata">
<emphasis id="B9465424286B774BFCABFD61FBC6D435" box="[809,1093,764,785]" italics="true" pageId="4" pageNumber="203">Eurystomella biperforata</emphasis>
</taxonomicName>
is so similar to
<taxonomicName id="4C32F3B5286B774BFB7BFD60FCCED414" authorityName=": Brown" authorityYear="1952" class="Gymnolaemata" family="Eurystomellidae" genus="Eurystomella" kingdom="Animalia" order="Cheilostomatida" pageId="4" pageNumber="203" phylum="Bryozoa" rank="species" species="foraminigera">
<emphasis id="B9465424286B774BFB7BFD60FCCED414" italics="true" pageId="4" pageNumber="203">E. foraminigera</emphasis>
</taxonomicName>
that it must be asked if the number of gymnocystal foramina is a sufficiently reliable character for segregating a new species. It is now clear, from the examination of many colonies of both species, that foramen number is indeed consistent, but, beyond this externally obvious character, there is an important internal feature as well. Whereas the interior of the frontal shield in
<taxonomicName id="4C32F3B5286B774BFC69FC6FFB22D322" authorityName=": Brown" authorityYear="1952" box="[1003,1185,1009,1031]" class="Gymnolaemata" family="Eurystomellidae" genus="Eurystomella" kingdom="Animalia" order="Cheilostomatida" pageId="4" pageNumber="203" phylum="Bryozoa" rank="species" species="foraminigera">
<emphasis id="B9465424286B774BFC69FC6FFB22D322" box="[1003,1185,1009,1031]" italics="true" pageId="4" pageNumber="203">E. foraminigera</emphasis>
</taxonomicName>
is uniformly smooth and featureless (apart from the foramina), that of
<taxonomicName id="4C32F3B5286B774BFAFAFB8DFC24D367" authorityName="Gordon &amp; Mawatari &amp; Kajihara" authorityYear="2002" class="Gymnolaemata" family="Eurystomellidae" genus="Eurystomella" kingdom="Animalia" order="Cheilostomatida" pageId="4" pageNumber="203" phylum="Bryozoa" rank="species" species="biperforata">
<emphasis id="B9465424286B774BFAFAFB8DFC24D367" italics="true" pageId="4" pageNumber="203">E. biperforata</emphasis>
</taxonomicName>
has an abrupt demarcation in its angle of slope, creating a line that curves around the proximal margins of the foramina. Additionally, in some zooids, the ascus roof is partially calcified.
</paragraph>
<paragraph id="8B8D8836286B774BFCABFB40FC3BD3D1" blockId="4.[809,1425,1245,1452]" box="[809,952,1245,1269]" pageId="4" pageNumber="203">
<emphasis id="B9465424286B774BFCABFB40FC3BD3D1" box="[809,952,1245,1269]" italics="true" pageId="4" pageNumber="203">Distribution</emphasis>
</paragraph>
<paragraph id="8B8D8836286B774BFCABFB60FC47D288" blockId="4.[809,1425,1245,1452]" pageId="4" pageNumber="203">
<taxonomicName id="4C32F3B5286B774BFCABFB60FBC4D236" authorityName="Gordon &amp; Mawatari &amp; Kajihara" authorityYear="2002" box="[809,1095,1277,1298]" class="Gymnolaemata" family="Eurystomellidae" genus="Eurystomella" kingdom="Animalia" order="Cheilostomatida" pageId="4" pageNumber="203" phylum="Bryozoa" rank="species" species="biperforata">
<emphasis id="B9465424286B774BFCABFB60FBC4D236" box="[809,1095,1277,1298]" italics="true" pageId="4" pageNumber="203">Eurystomella biperforata</emphasis>
</taxonomicName>
is endemic to
<collectingCountry id="F325C8A6286B774BFB70FB63FA0ED237" box="[1266,1421,1277,1299]" name="New Zealand" pageId="4" pageNumber="203">New Zealand</collectingCountry>
, where it ranges from 30°15¢S (Macauley Island, Kermadec Ridge) to 46°30¢S (Foveaux Strait) at
<quantity id="4CCA25D3286B774BFCABFAC4FC1AD24B" box="[809,921,1369,1391]" metricMagnitude="1" metricUnit="m" metricValue="7.55" metricValueMax="12.5" metricValueMin="2.6" pageId="4" pageNumber="203" unit="m" value="75.5" valueMax="125.0" valueMin="26.0">26125 m</quantity>
depth. In the field, live colonies of
<taxonomicName id="4C32F3B5286B774BFAACFAC7FCEED2A9" authorityName="Gordon &amp; Mawatari &amp; Kajihara" authorityYear="2002" class="Gymnolaemata" family="Eurystomellidae" genus="Eurystomella" kingdom="Animalia" order="Cheilostomatida" pageId="4" pageNumber="203" phylum="Bryozoa" rank="species" species="biperforata">
<emphasis id="B9465424286B774BFAACFAC7FCEED2A9" italics="true" pageId="4" pageNumber="203">E. biperforata</emphasis>
</taxonomicName>
are probably indistinguishable from those of
<taxonomicName id="4C32F3B5286B774BFAFAFAE4FC3ED288" authorityName=": Brown" authorityYear="1952" class="Gymnolaemata" family="Eurystomellidae" genus="Eurystomella" kingdom="Animalia" order="Cheilostomatida" pageId="4" pageNumber="203" phylum="Bryozoa" rank="species" species="foraminigera">
<emphasis id="B9465424286B774BFAFAFAE4FC3ED288" italics="true" pageId="4" pageNumber="203">E. foraminigera</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>