146 lines
19 KiB
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146 lines
19 KiB
XML
<document id="004AD197AEBCDBDCB99E1C0D63AE4B7B" ID-DOI="10.24199/j.mmv.2004.61.11" ID-ISSN="1447-2554" ID-Zenodo-Dep="12207880" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1718988272896" checkinUser="felipe" docAuthor="Bock, Philip E. & Cook, Patricia L." docDate="2004" docId="03C187881018FFF567064ACDFE7BFE71" docLanguage="en" docName="MemMusVictoria.61.2.135-182.pdf" docOrigin="Memoirs of Museum Victoria 61 (2)" docSource="https://museumsvictoria.com.au/collections-research/journals/memoirs-of-museum-victoria/volume-61-issue-2-2004/pages-135-182/" docStyle="DocumentStyle:5B3B5C052A93BFEEE334AD6097A94E45.2:MemMusVictoria.2003-.journal_article.type1" docStyleId="5B3B5C052A93BFEEE334AD6097A94E45" docStyleName="MemMusVictoria.2003-.journal_article.type1" docStyleVersion="2" docTitle="Conescharellina stellata Bock & Cook, 2004, sp. nov." docType="treatment" docVersion="2" lastPageNumber="155" masterDocId="FFF8FFF0100CFFE364374B1DFFDFFF91" masterDocTitle="A review of Australian Conescharellinidae (Bryozoa: Cheilostomata)" masterLastPageNumber="182" masterPageNumber="135" pageNumber="155" updateTime="1718989335086" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:titleInfo id="1CB9775D59283EB7918B9D6C46AFA07E">
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<mods:title id="DAF64C6A6243B4EDDC046D5375F71662">A review of Australian Conescharellinidae (Bryozoa: Cheilostomata)</mods:title>
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<mods:name id="4D2F7BDAA143C33A978F4C642CC277F2" type="personal">
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<mods:namePart id="39730008A48C3C0DEC9DE16D310F7DB8">Bock, Philip E.</mods:namePart>
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<mods:roleTerm id="6724DC460E06935CF53F95E95C82260C">Author</mods:roleTerm>
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<mods:namePart id="E32478CEF8CDA10D89B5E0FBD6795885">Cook, Patricia L.</mods:namePart>
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<mods:typeOfResource id="78E96DA5675EB2A3EA47FDD57A1BF5A9">text</mods:typeOfResource>
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<mods:title id="DC6059018509F5BE5A0A7767EF3C4166">Memoirs of Museum Victoria</mods:title>
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<mods:part id="9F01502A4BCD2FAE0E009BF1CD0813D8">
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<mods:date id="EB8299EFEF03A39FDDAC786AEDF6CC7D">2004</mods:date>
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<mods:number id="14637E6436BD2DC53249DF9D9CBFEA9B">2004-12-31</mods:number>
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<mods:number id="F8AE2D963E58377A9DF28D6AA447DA02">61</mods:number>
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<mods:number id="2AFF1B03CCE92D6A43DE1F7600E90082">2</mods:number>
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<mods:start id="DDA2AFA98D090A7B19524F516205AF56">135</mods:start>
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<mods:url id="AE7B5D2B56D9E9B2ED153763DEFCBCEF">https://museumsvictoria.com.au/collections-research/journals/memoirs-of-museum-victoria/volume-61-issue-2-2004/pages-135-182/</mods:url>
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<mods:classification id="16EFC08CE3C5FCB3E8510031C4C62E9A">journal article</mods:classification>
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<mods:identifier id="7C07B2933C8E758DD0C32D4A50726E30" type="DOI">10.24199/j.mmv.2004.61.11</mods:identifier>
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<mods:identifier id="4F677752951FD427F85E438D7721384E" type="ISSN">1447-2554</mods:identifier>
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<mods:identifier id="F63E8938DB4C885D5ABFA84E0BB75408" type="Zenodo-Dep">12207880</mods:identifier>
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</mods:mods>
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<treatment id="03C187881018FFF567064ACDFE7BFE71" LSID="urn:lsid:plazi:treatment:03C187881018FFF567064ACDFE7BFE71" httpUri="http://treatment.plazi.org/id/03C187881018FFF567064ACDFE7BFE71" lastPageId="22" lastPageNumber="155" pageId="20" pageNumber="155">
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<subSubSection id="C37265151018FFF767064ACDFB5AFE77" box="[817,1157,463,486]" pageId="20" pageNumber="155" type="nomenclature">
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<paragraph id="8BD7369E1018FFF767064ACDFB5AFE77" blockId="20.[817,1157,463,486]" box="[817,1157,463,486]" pageId="20" pageNumber="155">
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<heading id="D09F81F21018FFF767064ACDFB5AFE77" box="[817,1157,463,486]" fontSize="9" level="2" pageId="20" pageNumber="155" reason="5">
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<taxonomicName id="4C684D1D1018FFF767064ACDFBF0FE77" ID-CoL="XLDT" authorityName="Bock & Cook" authorityYear="2004" box="[817,1071,464,486]" class="Gymnolaemata" family="Conescharellinidae" genus="Conescharellina" kingdom="Animalia" order="Cheilostomatida" pageId="20" pageNumber="155" phylum="Bryozoa" rank="species" species="stellata" status="sp. nov.">
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<emphasis id="B91CEA8C1018FFF767064ACDFBF0FE77" bold="true" box="[817,1071,464,486]" italics="true" pageId="20" pageNumber="155">Conescharellina stellata</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A22F57F71018FFF760024ACDFB5AFE77" box="[1077,1157,463,486]" pageId="20" pageNumber="155" rank="species">sp. nov.</taxonomicNameLabel>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C37265151018FFF567064AE0FE7BFE71" lastPageId="22" lastPageNumber="157" pageId="20" pageNumber="155" type="description">
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<paragraph id="8BD7369E1018FFF767064AE0FC67FD82" blockId="20.[817,952,509,531]" box="[817,952,509,531]" pageId="20" pageNumber="155">
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<figureCitation id="13532A1B1018FFF767064AE0FC67FD82" box="[817,952,509,531]" captionStart="Figure 9" captionStartId="21.[131,190,1706,1726]" captionTargetBox="[129,1452,221,1683]" captionTargetId="figure-15@21.[129,1452,221,1683]" captionTargetPageId="21" captionText="Figure 9. Conescharellina stellata sp. nov. A–C NMV F98993, holotype. A, adapical view of colony showing prominent bilabiate marginal peristomes and lunate root pores, scale = 500 µm. B, detail of marginal zooid orifice with adapical pore. Avicularium with porous non-palatal lamina (arrow), compare Figure 9E, scale = 200 µm. C, lateral view of colony showing lunate root pore, avicularia, scale = 200 µm. D–E, NMV F98995. D, adapical view of colony with prominent, rounded, funnel-shaped marginal peristomes, scale = 500 µm. E, marginal view showing extended peristomes, orifices and avicularia with non-palatal laminae, one with pore (arrow), compare Figure 9B, scale = 200 µm. F–I, NMV P98994. F, Colony with cuticle in situ and two ovicells near margin, scale = 100 µm, G, detail of ovicells, scale = 100µm. H, I, frontal and basal surfaces of detached ovicell. H, showing ridges in margin of entooecium, forming pores at junction with ectooecium, with basal smooth ectooecium. I, with fracture at original margin of adapical pore, scales = 50 µm." figureDoi="http://doi.org/10.5281/zenodo.12207903" httpUri="https://zenodo.org/record/12207903/files/figure.png" pageId="20" pageNumber="155">Figures 9A–I</figureCitation>
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</paragraph>
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<paragraph id="8BD7369E1018FFF76706493AFB42FDAA" blockId="20.[817,1376,551,624]" box="[817,1181,551,571]" pageId="20" pageNumber="155">
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<materialsCitation id="3B003CC31018FFF76706493AFB42FDAA" box="[817,1181,551,571]" collectionCode="NMV" pageId="20" pageNumber="155" specimenCode="F98993, GAB-019" specimenCount="1" typeStatus="holotype">
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<emphasis id="B91CEA8C1018FFF76706493AFC5BFDAA" box="[817,900,551,571]" italics="true" pageId="20" pageNumber="155">
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<typeStatus id="54D3883C1018FFF76706493AFC5BFDAA" box="[817,900,551,571]" pageId="20" pageNumber="155" type="holotype">Holotype</typeStatus>
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</emphasis>
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.
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<collectionCode id="ED79AE5B1018FFF767A7493AFC1AFDAA" box="[912,965,551,571]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="20" pageNumber="155" type="Museum">NMV</collectionCode>
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<specimenCode id="DBCE9EE51018FFF767FC493AFBCCFDAA" box="[971,1043,551,571]" collectionCode="NMV" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="20" pageNumber="155" type="Museum">F98993</specimenCode>
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, stn
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<specimenCode id="DBCE9EE51018FFF7600A493AFB46FDAA" box="[1085,1177,551,571]" collectionCode="GAB-" country="Botswana" lsid="urn:lsid:biocol.org:col:13720" name="National Museum, Monuments, and Art Gallery" pageId="20" pageNumber="155" type="Herbarium">GAB-019</specimenCode>
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.
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</materialsCitation>
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</paragraph>
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<paragraph id="8BD7369E1018FFF7677B495FFAEEFDC7" blockId="20.[817,1376,551,624]" box="[844,1329,578,598]" pageId="20" pageNumber="155">
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<materialsCitation id="3B003CC31018FFF7677B495FFB4AFDC7" box="[844,1173,578,598]" collectionCode="NMV, GAB-" pageId="20" pageNumber="155" specimenCode="F98994" specimenCount="1" typeStatus="paratype">
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<emphasis id="B91CEA8C1018FFF7677B495FFC79FDC7" box="[844,934,578,598]" italics="true" pageId="20" pageNumber="155">
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<typeStatus id="54D3883C1018FFF7677B495FFC79FDC7" box="[844,934,578,598]" pageId="20" pageNumber="155" type="paratype">Paratypes</typeStatus>
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</emphasis>
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.
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<collectionCode id="ED79AE5B1018FFF76786495FFC39FDC7" box="[945,998,578,598]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="20" pageNumber="155" type="Museum">NMV</collectionCode>
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<specimenCode id="DBCE9EE51018FFF767DB495FFBEBFDC7" box="[1004,1076,578,598]" collectionCode="NMV" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="20" pageNumber="155" type="Museum">F98994</specimenCode>
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, stn
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<collectionCode id="ED79AE5B1018FFF76069495FFB4AFDC7" box="[1118,1173,578,598]" country="Botswana" lsid="urn:lsid:biocol.org:col:13720" name="National Museum, Monuments, and Art Gallery" pageId="20" pageNumber="155" type="Herbarium">GAB-</collectionCode>
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</materialsCitation>
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019 (8 colonies).
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</paragraph>
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<paragraph id="8BD7369E1018FFF7677B4941FABFFDE1" blockId="20.[817,1376,551,624]" box="[844,1376,604,624]" pageId="20" pageNumber="155">
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Other
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<emphasis id="B91CEA8C1018FFF767B14941FC3CFDE1" box="[902,995,604,624]" italics="true" pageId="20" pageNumber="155">specimens</emphasis>
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. NMV F98995, stn GAB-128 (1 colony).
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</paragraph>
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<paragraph id="8BD7369E1018FFF76706499AFB43FD2B" blockId="20.[817,1457,646,698]" pageId="20" pageNumber="155">
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<emphasis id="B91CEA8C1018FFF76706499AFC2BFD0C" box="[817,1012,647,669]" italics="true" pageId="20" pageNumber="155">
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Etymology.
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<taxonomicName id="4C684D1D1018FFF7679E499AFC2BFD0C" authorityName="Bock & Cook" authorityYear="2004" box="[937,1012,647,669]" class="Gymnolaemata" family="Conescharellinidae" genus="Conescharellina" kingdom="Animalia" order="Cheilostomatida" pageId="20" pageNumber="155" phylum="Bryozoa" rank="species" species="stellata">stellata</taxonomicName>
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</emphasis>
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(L.) – starry, referring to the appearance of the colonies from the adapical side.
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</paragraph>
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<paragraph id="8BD7369E1018FFF7670649CDFB39FCE9" blockId="20.[817,1458,720,888]" pageId="20" pageNumber="155">
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<emphasis id="B91CEA8C1018FFF7670649CDFB81FD77" box="[817,1118,720,742]" italics="true" pageId="20" pageNumber="155">
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Diagnosis.
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<taxonomicName id="4C684D1D1018FFF7678549CDFB81FD77" authorityName="d'Orbigny" authorityYear="1852" box="[946,1118,720,742]" class="Gymnolaemata" family="Conescharellinidae" genus="Conescharellina" kingdom="Animalia" order="Cheilostomatida" pageId="20" pageNumber="155" phylum="Bryozoa" rank="genus">Conescharellina</taxonomicName>
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</emphasis>
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with small, domed colonies. Orifices with rounded sinus and distinct condyles, surrounded by a raised peristome laterally and sometimes antapically. Avicularia lateral, rounded; bar without a ligula, non-palatal area sometimes filled by a lamina. Ovicells fragile, with a depressed, marginally striated entooecium.
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</paragraph>
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<paragraph id="8BD7369E1018FFF767064892FC10FA25" blockId="20.[817,1457,910,1519]" pageId="20" pageNumber="155">
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<emphasis id="B91CEA8C1018FFF767064892FC76FC34" box="[817,937,911,933]" italics="true" pageId="20" pageNumber="155">Description</emphasis>
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. Colony small, domed, wider than high; zooid orifices quincuncial. Calcification smooth and slightly tuberculate, adapical region sometimes with small, secondarily thickened mamillae. Peristomes raised laterally, forming a prominent, stellate pattern, especially at the colony margin; sometimes extended adapically and very prominent. Primary orifices rounded with a fairly wide sinus and small to distinct condyles. Adapical pore large, on the edge or outer face of the peristome, surrounded by a rim of calcification, sometimes slightly asymmetrically placed. Avicularia rounded, lateral and paired, widely separated from the peristomes; bar without a ligula, non-palatal side sometimes with a thin lamina, occasionally pierced by a pore. Lunate root pores tending to occur adapically, each with a pair of closely apposed, rounded lateral avicularia. Ovicells present on subperipheral zooids, very fragile, with a raised, smooth, transparent ectooecium and a depressed entooecium, striated marginally, forming pores at the ectooecial junction. Antapical surface with a small central cancellate area.
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</paragraph>
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<paragraph id="8BD7369E1018FFF767664EA1FAF2FA7E" blockId="20.[817,1457,910,1519]" pageId="20" pageNumber="155">
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Colony diameter
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<quantity id="4C909B7B1018FFF760344EA1FBB1FA43" box="[1027,1134,1468,1490]" metricMagnitude="-3" metricUnit="m" metricValue="1.25" metricValueMax="1.5" metricValueMin="1.0" pageId="20" pageNumber="155" unit="mm" value="1.25" valueMax="1.5" valueMin="1.0">1–1.5 mm</quantity>
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, height
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<quantity id="4C909B7B1018FFF760F74EA1FB20FA43" box="[1216,1279,1468,1490]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="20" pageNumber="155" unit="mm" value="1.0">1 mm</quantity>
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, number of alternating whorls 6, number of zooids per whorl 6–8.
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</paragraph>
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<paragraph id="8BD7369E1018FFF567064D18FE7BFE71" blockId="20.[817,1457,1541,1915]" lastBlockId="22.[139,780,224,480]" lastPageId="22" lastPageNumber="157" pageId="20" pageNumber="155">
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<emphasis id="B91CEA8C1018FFF767064D18FC55F98A" box="[817,906,1541,1563]" italics="true" pageId="20" pageNumber="155">Remarks</emphasis>
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. The colonies have a very regular, stellate appearance from the adapical side. The peristomes are usually well developed laterally but, in one colony (from stn GAB-128), they are also extensive antapically, forming a funnel. The ovicells are extremely fragile and were detached soon after initial scanning electron microscopy. The lower face of the ectooecium shows that it was almost certainly covered by cuticle and apposed but not attached to the surface of the zooid adapically (
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<figureCitation id="13532A1B1018FFF7610D4DCFFA7BF979" box="[1338,1444,1746,1768]" captionStart="Figure 9" captionStartId="21.[131,190,1706,1726]" captionTargetBox="[129,1452,221,1683]" captionTargetId="figure-15@21.[129,1452,221,1683]" captionTargetPageId="21" captionText="Figure 9. Conescharellina stellata sp. nov. A–C NMV F98993, holotype. A, adapical view of colony showing prominent bilabiate marginal peristomes and lunate root pores, scale = 500 µm. B, detail of marginal zooid orifice with adapical pore. Avicularium with porous non-palatal lamina (arrow), compare Figure 9E, scale = 200 µm. C, lateral view of colony showing lunate root pore, avicularia, scale = 200 µm. D–E, NMV F98995. D, adapical view of colony with prominent, rounded, funnel-shaped marginal peristomes, scale = 500 µm. E, marginal view showing extended peristomes, orifices and avicularia with non-palatal laminae, one with pore (arrow), compare Figure 9B, scale = 200 µm. F–I, NMV P98994. F, Colony with cuticle in situ and two ovicells near margin, scale = 100 µm, G, detail of ovicells, scale = 100µm. H, I, frontal and basal surfaces of detached ovicell. H, showing ridges in margin of entooecium, forming pores at junction with ectooecium, with basal smooth ectooecium. I, with fracture at original margin of adapical pore, scales = 50 µm." figureDoi="http://doi.org/10.5281/zenodo.12207903" httpUri="https://zenodo.org/record/12207903/files/figure.png" pageId="20" pageNumber="155">Figs 9H, I</figureCitation>
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). Although closely similar to the smaller colonies of
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<taxonomicName id="4C684D1D1018FFF761764DEDFA6EF897" authorityName="Bock & Cook" authorityYear="2004" box="[1345,1457,1776,1798]" class="Gymnolaemata" family="Conescharellinidae" genus="Conescharellina" kingdom="Animalia" order="Cheilostomatida" pageId="20" pageNumber="155" phylum="Bryozoa" rank="species" species="obscura">
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<emphasis id="B91CEA8C1018FFF761764DEDFA6EF897" box="[1345,1457,1776,1798]" italics="true" pageId="20" pageNumber="155">C. obscura</emphasis>
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</taxonomicName>
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in several features,
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<taxonomicName id="4C684D1D1018FFF767CD4C10FBBBF8B2" authorityName="Bock & Cook" authorityYear="2004" box="[1018,1124,1805,1827]" class="Gymnolaemata" family="Conescharellinidae" genus="Conescharellina" kingdom="Animalia" order="Cheilostomatida" pageId="20" pageNumber="155" phylum="Bryozoa" rank="species" species="stellata">
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<emphasis id="B91CEA8C1018FFF767CD4C10FBBBF8B2" box="[1018,1124,1805,1827]" italics="true" pageId="20" pageNumber="155">C. stellata</emphasis>
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</taxonomicName>
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differs in the form and distribution of the avicularia, that do not include a solitary one on the antapical side of the peristome. The avicularia also differ in the lack of ligulae and the presence of a lamina filling the non-palatal area. This is not always developed in the specimens from stn GAB-019 but is constantly present in the distinctly larger, more prominent avicularia of the colony from stn GAB-128. The lamina may be pierced by a pore in both populations.
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<taxonomicName id="4C684D1D101AFFF564BC4A48FF28FEFA" authorityName="Bock & Cook" authorityYear="2004" box="[139,247,341,363]" class="Gymnolaemata" family="Conescharellinidae" genus="Conescharellina" kingdom="Animalia" order="Cheilostomatida" pageId="22" pageNumber="157" phylum="Bryozoa" rank="species" species="stellata">
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<emphasis id="B91CEA8C101AFFF564BC4A48FF28FEFA" box="[139,247,341,363]" italics="true" pageId="22" pageNumber="157">C. stellata</emphasis>
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</taxonomicName>
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has been found from the western end of the Great Australian Bight at a depth of
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<quantity id="4C909B7B101AFFF565894A6FFE2DFE19" box="[446,498,370,392]" metricMagnitude="1" metricUnit="m" metricValue="5.9" pageId="22" pageNumber="157" unit="m" value="59.0">59 m</quantity>
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and from the central region at a depth of
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<specimenCount id="9D6EFD17101AFFF565134A8DFEAFFE37" box="[292,368,400,422]" count="304" pageId="22" pageNumber="157" type="generic">
|
||
<quantity id="4C909B7B101AFFF565134A8DFEB3FE37" box="[292,364,400,422]" metricMagnitude="2" metricUnit="m" metricValue="3.04" pageId="22" pageNumber="157" unit="m" value="304.0">304 m</quantity>
|
||
.
|
||
</specimenCount>
|
||
Although these two populations show differences in detail, the number of colonies does not allow any estimate of its significance.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |