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<document id="08ACA2A9441F26C5D4146C9641A4A7E9" ID-DOI="10.1080/00222933.2011.574922" ID-ISSN="1464-5262" ID-Zenodo-Dep="5204333" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629052434390" checkinUser="felipe" docAuthor="Hayward, Peter J. &amp; Winston, Judith E." docDate="2011" docId="03F93214963FD27BFE54FF6390F0FE34" docLanguage="en" docName="JNatHist.45.37-38.2259-2338.pdf" docOrigin="Journal of Natural History 45 (37 - 38)" docSource="http://dx.doi.org/10.1080/00222933.2011.574922" docStyle="DocumentStyle:FCA295E821436EF9307F50C7AC261B53.5:JNatHist.2008-2012.journal_article.1cover" docStyleId="FCA295E821436EF9307F50C7AC261B53" docStyleName="JNatHist.2008-2012.journal_article.1cover" docStyleVersion="5" docTitle="Osthimosia minima Hayward &amp; Winston 2011, sp. nov" docType="treatment" docVersion="3" lastPageNumber="2329" masterDocId="FFC04A6C9679D23CFF8DFFC59306FFDA" masterDocTitle="Bryozoa collected by the United States Antarctic Research Program: new taxa and new records" masterLastPageNumber="2338" masterPageNumber="2259" pageNumber="2328" updateTime="1699058682085" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="AB8449442805BB8B17F59977765F2E70">Bryozoa collected by the United States Antarctic Research Program: new taxa and new records</mods:title>
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<mods:name id="2521FF1ECA6087FD17CF992E4C2B6C74" type="personal">
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<mods:namePart id="4AB52B2CBB0A250432D3155AF9CD66A6">Hayward, Peter J.</mods:namePart>
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<mods:namePart id="F56B0B835A00A4F79AA89F03710E1045">Winston, Judith E.</mods:namePart>
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<mods:title id="6406BF30F1FB3B028CC18F55885448EB">Journal of Natural History</mods:title>
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<mods:date id="623F5C2944EFE182C8CDC7A677B4FF6C">2011</mods:date>
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<mods:number id="A65C819884FE7FBAB87441E4A7A4CE50">2011-10-31</mods:number>
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<mods:number id="B8A80A039F3BF9AC95D9488469949BDC">45</mods:number>
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<mods:number id="AD06E5275D575E01D3114B99C1D5BAB3">37 - 38</mods:number>
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<mods:start id="7F30E739BF287CC2D819E826E6592986">2259</mods:start>
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<mods:classification id="A66E845E1EAC6CC297900B963714A1FB">journal article</mods:classification>
<mods:identifier id="61CEE512E04A5B4C55EC706EA43D4A96" type="DOI">10.1080/00222933.2011.574922</mods:identifier>
<mods:identifier id="E0458E8017CB7D2B6A826D96E515D1C2" type="ISSN">1464-5262</mods:identifier>
<mods:identifier id="FFC8F98F718F9E47836705F368AC6EFD" type="Zenodo-Dep">5204333</mods:identifier>
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<treatment id="03F93214963FD27BFE54FF6390F0FE34" LSID="urn:lsid:plazi:treatment:03F93214963FD27BFE54FF6390F0FE34" httpUri="http://treatment.plazi.org/id/03F93214963FD27BFE54FF6390F0FE34" lastPageId="71" lastPageNumber="2329" pageId="70" pageNumber="2328">
<subSubSection id="C34AD089963FD27AFE54FF639002FF64" box="[473,772,166,190]" pageId="70" pageNumber="2328" type="nomenclature">
<paragraph id="8BEF8302963FD27AFE54FF639002FF64" blockId="70.[473,772,166,222]" box="[473,772,166,190]" pageId="70" pageNumber="2328">
<heading id="D0A7346E963FD27AFE54FF639002FF64" box="[473,772,166,190]" centered="true" fontSize="36" level="2" pageId="70" pageNumber="2328" reason="7">
<taxonomicName id="4C50F881963FD27AFE54FF6391A8FF64" authority="Hayward &amp; Winston, 2011" authorityName="Hayward &amp; Winston" authorityYear="2011" box="[473,686,166,190]" class="Gymnolaemata" family="Celleporidae" genus="Osthimosia" kingdom="Animalia" order="Cheilostomatida" pageId="70" pageNumber="2328" phylum="Bryozoa" rank="species" species="minima" status="sp. nov.">
<emphasis id="B9245F10963FD27AFE54FF6391A8FF64" bold="true" box="[473,686,166,190]" italics="true" pageId="70" pageNumber="2328">Osthimosia minima</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A217E26B963FD27AFD38FF629002FF64" box="[693,772,167,190]" pageId="70" pageNumber="2328" rank="species">sp. nov</taxonomicNameLabel>
</heading>
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<subSubSection id="C34AD089963FD27BFDA7FF0390F0FE34" lastPageId="71" lastPageNumber="2329" pageId="70" pageNumber="2328" type="description">
<paragraph id="8BEF8302963FD27AFDA7FF0391A1FF04" blockId="70.[473,772,166,222]" box="[554,679,198,222]" pageId="70" pageNumber="2328">
(
<figureCitation id="136B9F87963FD27AFDBCFF0391A6FF04" box="[561,672,198,222]" captionStart="Figure 32" captionStartId="70.[144,211,1539,1561]" captionTargetBox="[144,1101,1097,1506]" captionTargetId="figure-220@70.[144,1101,1097,1506]" captionTargetPageId="70" captionText="Figure 32. (AC) Osthimosia minima sp. nov., Holotype. (A) Portion of colony showing peristomial avicularia, ovicells and a large vicarious avicularium; (B) detail to show the primary orifice. Scale bars: 0.25 mm (A), 0.05 mm (B)." figureDoi="http://doi.org/10.5281/zenodo.5204399" httpUri="https://zenodo.org/record/5204399/files/figure.png" pageId="70" pageNumber="2328">Figure 32</figureCitation>
)
</paragraph>
<paragraph id="8BEF8302963FD27AFF1DFEF793F4FE90" blockId="70.[144,242,306,330]" box="[144,242,306,330]" pageId="70" pageNumber="2328">
<emphasis id="B9245F10963FD27AFF1DFEF793F4FE90" box="[144,242,306,330]" italics="true" pageId="70" pageNumber="2328">Material</emphasis>
</paragraph>
<paragraph id="8BEF8302963FD27AFF1DFE9F9211FE6B" blockId="70.[144,1101,342,433]" pageId="70" pageNumber="2328">
<materialsCitation id="3B38895F963FD27AFF1DFE9F9211FE6B" collectingDate="1962-09-23" collectionCode="NMNH" elevation="115" latitude="-55.866665" longLatPrecision="1061" longitude="-66.4" pageId="70" pageNumber="2328" specimenCode="NMNH 11540043" specimenCount="1" typeStatus="holotype">
<emphasis id="B9245F10963FD27AFF1DFE9F93F1FEA8" box="[144,247,346,370]" italics="true" pageId="70" pageNumber="2328">
<typeStatus id="54EB3DA0963FD27AFF1DFE9F93F1FEA8" box="[144,247,346,370]" pageId="70" pageNumber="2328" type="holotype">Holotype</typeStatus>
</emphasis>
.
<specimenCode id="DBF62B79963FD27AFE8EFE9E92D5FEA8" box="[259,467,346,370]" collectionCode="NMNH" country="USA" httpUri="http://grbio.org/cool/142r-0w94" name="Smithsonian Institution, National Museum of Natural History" pageId="70" pageNumber="2328" type="Museum">NMNH 11540043</specimenCode>
:
<emphasis id="B9245F10963FD27AFE51FE9F912BFEA8" box="[476,557,346,370]" italics="true" pageId="70" pageNumber="2328">Eltanin</emphasis>
cruise 5, station 219, 55
<superScript id="7C252E4A963FD27AFCB9FE93903BFEBD" attach="none" box="[820,829,342,359]" fontSize="7" pageId="70" pageNumber="2328"></superScript>
47 to
<geoCoordinate id="EE64E5C5963FD27AFC0FFE9F90D9FEA8" box="[898,991,342,370]" degrees="55" direction="south" minutes="52" orientation="latitude" pageId="70" pageNumber="2328" precision="925" value="-55.866665">
55
<superScript id="7C252E4A963FD27AFC10FE9390A0FEBD" attach="none" box="[925,934,342,359]" fontSize="7" pageId="70" pageNumber="2328"></superScript>
52 S
</geoCoordinate>
, 66
<superScript id="7C252E4A963FD27AFB8EFE93970AFEBD" attach="left" box="[1027,1036,342,359]" fontSize="7" pageId="70" pageNumber="2328"></superScript>
17 to
<geoCoordinate id="EE64E5C5963FD27AFF1DFEBF93F1FE4B" box="[144,247,374,402]" degrees="66" direction="west" minutes="24" orientation="longitude" pageId="70" pageNumber="2328" precision="925" value="-66.4">
66
<superScript id="7C252E4A963FD27AFF26FEB393B2FE5D" attach="none" box="[171,180,374,391]" fontSize="7" pageId="70" pageNumber="2328"></superScript>
24 W
</geoCoordinate>
,
<quantity id="4CA82EE7963FD27AFE8DFEBF9240FE4B" box="[256,326,378,402]" metricMagnitude="2" metricUnit="m" metricValue="1.15" pageId="70" pageNumber="2328" unit="m" value="115.0">
<elevation id="007D6431963FD27AFE8DFEBF9240FE4B" box="[256,326,378,402]" metricMagnitude="2" metricUnit="m" metricValue="1.15" pageId="70" pageNumber="2328" unit="m" value="115.0">115 m</elevation>
</quantity>
,
<date id="FFEEA5C2963FD27AFEDDFEBF9124FE48" box="[336,546,378,402]" pageId="70" pageNumber="2328" value="1962-09-23">
<collectingDate id="EFAA5C2A963FD27AFEDDFEBF9124FE48" box="[336,546,378,402]" pageId="70" pageNumber="2328" value="1962-09-23">23 September 1962</collectingDate>
</date>
; a pisiform colony
<quantity id="4CA82EE7963FD27AFD76FEBF905DFE4B" box="[763,859,378,402]" metricMagnitude="-4" metricUnit="m" metricValue="1.5" pageId="70" pageNumber="2328" unit="mm" value="0.15">0.15 mm</quantity>
diameter, substratum not evident.
</materialsCitation>
</paragraph>
<paragraph id="8BEF8302963FD27AFF1DFDC29209FDC4" blockId="70.[144,271,519,542]" box="[144,271,519,542]" pageId="70" pageNumber="2328">
<emphasis id="B9245F10963FD27AFF1DFDC29209FDC4" box="[144,271,519,542]" italics="true" pageId="70" pageNumber="2328">Description</emphasis>
</paragraph>
<paragraph id="8BEF8302963FD27AFF1DFDE89211FBDE" blockId="70.[144,1101,557,1028]" pageId="70" pageNumber="2328">
<typeStatus id="54EB3DA0963FD27AFF1DFDE893FDFD9F" box="[144,251,557,581]" pageId="70" pageNumber="2328" type="holotype">Holotype</typeStatus>
colony a tiny, pisiform growth with a spiky appearance imparted by elongate, projecting peristomial avicularia, autozooids radiating outwards. Primary orifice as wide as long (
<quantity id="4CA82EE7963FD27AFE2CFDA8911EFD5F" box="[417,536,621,645]" metricMagnitude="-4" metricUnit="m" metricValue="1.25" pageId="70" pageNumber="2328" unit="mm" value="0.125">0.125 mm</quantity>
), with a narrow, U-shaped sinus comprising onefifth total length; condyles broad, rounded. Proximal and lateral borders of orifice enclosed by two tall, thick, slightly curved peristomial folds, incorporating medioproximally a cylindrical avicularian cystid; rostrum subapical, oval, perpendicular to plane of orifice and facing distally, its distal rim finely denticulate, crossbar slen- der, without a columella, palate lacking. Avicularian cystid at least
<quantity id="4CA82EE7963FD27AFC29FCC8970CFCFE" box="[932,1034,781,805]" metricMagnitude="-4" metricUnit="m" metricValue="5.2" pageId="70" pageNumber="2328" unit="mm" value="0.52">0.52 mm</quantity>
long, but a slender, tapered portion extending distal to the rostrum was broken short in all instances. Vicarious avicularium with parallel-sided rostrum,
<quantity id="4CA82EE7963FD27AFC2FFC89970FFCBE" box="[930,1033,844,868]" metricMagnitude="-4" metricUnit="m" metricValue="4.8" pageId="70" pageNumber="2328" unit="mm" value="0.48">0.48 mm</quantity>
long, rounded and deeply cupped distally; crossbar very slender, no columella, palate with extensive foramen. Ovicell borne on distal rim of primary orifice; smoothly calcified, frontal surface with extensive area of uncalcified ectooecium, entooecium with indistinct marginal pores alternating with short ridges, similar to frontal tabula of
<taxonomicName id="4C50F881963FD27AFF1DFC299209FBDE" box="[144,271,1004,1028]" class="Gymnolaemata" family="Celleporidae" genus="Celleporina" kingdom="Animalia" order="Cheilostomatida" pageId="70" pageNumber="2328" phylum="Bryozoa" rank="genus">
<emphasis id="B9245F10963FD27AFF1DFC299209FBDE" box="[144,271,1004,1028]" italics="true" pageId="70" pageNumber="2328">Celleporina</emphasis>
</taxonomicName>
.
</paragraph>
<caption id="DF2FD38A963FD27AFF1DF9C69158F98E" ID-DOI="http://doi.org/10.5281/zenodo.5204399" ID-Zenodo-Dep="5204399" httpUri="https://zenodo.org/record/5204399/files/figure.png" pageId="70" pageNumber="2328" startId="70.[144,211,1539,1561]" targetBox="[144,1101,1097,1506]" targetPageId="70">
<paragraph id="8BEF8302963FD27AFF1DF9C69158F98E" blockId="70.[144,1101,1539,1620]" pageId="70" pageNumber="2328">
Figure 32. (AC)
<taxonomicName id="4C50F881963FD27AFEC1F9C69108F9C3" authority="Hayward &amp; Winston, 2011" authorityName="Hayward &amp; Winston" authorityYear="2011" box="[332,526,1539,1561]" class="Gymnolaemata" family="Celleporidae" genus="Osthimosia" kingdom="Animalia" order="Cheilostomatida" pageId="70" pageNumber="2328" phylum="Bryozoa" rank="species" species="minima" status="sp. nov.">
<emphasis id="B9245F10963FD27AFEC1F9C69108F9C3" box="[332,526,1539,1561]" italics="true" pageId="70" pageNumber="2328">Osthimosia minima</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A217E26B963FD27AFD98F9C19163F9C3" box="[533,613,1540,1561]" pageId="70" pageNumber="2328" rank="species">sp. nov.</taxonomicNameLabel>
, Holotype. (A) Portion of colony showing peristomial avicularia, ovicells and a large vicarious avicularium; (B) detail to show the primary orifice. Scale bars: 0.25 mm (A), 0.05 mm (B).
</paragraph>
</caption>
<paragraph id="8BEF8302963ED27BFF58FF63924BFF64" blockId="71.[213,333,166,190]" box="[213,333,166,190]" pageId="71" pageNumber="2329">
<emphasis id="B9245F10963ED27BFF58FF63924BFF64" box="[213,333,166,190]" italics="true" pageId="71" pageNumber="2329">Etymology</emphasis>
</paragraph>
<paragraph id="8BEF8302963ED27BFF58FF0B9739FF3C" blockId="71.[213,1087,206,230]" box="[213,1087,206,230]" pageId="71" pageNumber="2329">
Latin,
<emphasis id="B9245F10963ED27BFEADFF0A927AFF3C" box="[288,380,207,230]" italics="true" pageId="71" pageNumber="2329">minimus</emphasis>
: least, the smallest species of
<taxonomicName id="4C50F881963ED27BFD45FF0B9042FF3C" authorityName="Jullien" authorityYear="1888" box="[712,836,206,230]" class="Gymnolaemata" family="Celleporidae" genus="Osthimosia" kingdom="Animalia" order="Cheilostomatida" pageId="71" pageNumber="2329" phylum="Bryozoa" rank="genus">
<emphasis id="B9245F10963ED27BFD45FF0B9042FF3C" box="[712,836,206,230]" italics="true" pageId="71" pageNumber="2329">Osthimosia</emphasis>
</taxonomicName>
present in the sample.
</paragraph>
<paragraph id="8BEF8302963ED27BFF58FEEA9231FE9D" blockId="71.[213,311,303,327]" box="[213,311,303,327]" pageId="71" pageNumber="2329">
<emphasis id="B9245F10963ED27BFF58FEEA9231FE9D" box="[213,311,303,327]" italics="true" pageId="71" pageNumber="2329">Remarks</emphasis>
</paragraph>
<paragraph id="8BEF8302963ED27BFF58FE9290F0FE34" blockId="71.[213,1170,343,494]" pageId="71" pageNumber="2329">
The tiny, pisiform colony, columnar peristomial avicularia and narrow, U-shaped sinus of
<taxonomicName id="4C50F881963ED27BFEB5FEB29116FE55" authority="Hayward &amp; Winston, 2011" authorityName="Hayward &amp; Winston" authorityYear="2011" box="[312,528,375,399]" class="Gymnolaemata" family="Celleporidae" genus="Osthimosia" kingdom="Animalia" order="Cheilostomatida" pageId="71" pageNumber="2329" phylum="Bryozoa" rank="species" species="minima" status="sp. nov.">
<emphasis id="B9245F10963ED27BFEB5FEB29116FE55" box="[312,528,375,399]" italics="true" pageId="71" pageNumber="2329">Osthimosia minima</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A217E26B963ED27BFD94FEB29176FE54" box="[537,624,375,398]" pageId="71" pageNumber="2329" rank="species">sp. nov.</taxonomicNameLabel>
are all reminiscent of
<taxonomicName id="4C50F881963ED27BFCFBFEB2978BFE55" authority="(Busk, 1881)" baseAuthorityName="Busk" baseAuthorityYear="1881" box="[886,1165,375,399]" class="Gymnolaemata" family="Celleporidae" genus="Osthimosia" kingdom="Animalia" order="Cheilostomatida" pageId="71" pageNumber="2329" phylum="Bryozoa" rank="species" species="bicornis">
<emphasis id="B9245F10963ED27BFCFBFEB290F6FE55" box="[886,1008,375,399]" italics="true" pageId="71" pageNumber="2329">O. bicornis</emphasis>
(Busk, 1881)
</taxonomicName>
, which is widely distributed in Antarctic and subantarctic realms. However,
<taxonomicName id="4C50F881963ED27BFB94FE529797FE75" baseAuthorityName="Busk" baseAuthorityYear="1881" box="[1049,1169,407,431]" class="Gymnolaemata" family="Celleporidae" genus="Osthimosia" kingdom="Animalia" order="Cheilostomatida" pageId="71" pageNumber="2329" phylum="Bryozoa" rank="species" species="bicornis">
<emphasis id="B9245F10963ED27BFB94FE52972BFE75" box="[1049,1069,407,431]" italics="true" pageId="71" pageNumber="2329">O</emphasis>
.
<emphasis id="B9245F10963ED27BFBB6FE529797FE75" box="[1083,1169,407,431]" italics="true" pageId="71" pageNumber="2329">bicornis</emphasis>
</taxonomicName>
has paired peristomial avicularia, and the orificial sinus is bounded by thick, faceted condyles, quite distinct from the broad, flat condyles of the new species.
</paragraph>
</subSubSection>
</treatment>
</document>