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<document id="827FF988AFF3CD217F46197BE0846CAA" ID-DOI="10.1080/00222930701359218" ID-ISSN="1464-5262" ID-Zenodo-Dep="4669578" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1617793898169" checkinUser="carolina" docAuthor="Kott, Patricia" docDate="2007" docId="191287F0FFDFFFB4FE4EFF279F00CEA2" docLanguage="en" docName="JNATHIST.41.17-20.1163-1211.pdf" docOrigin="Journal of Natural History 41 (17 - 20)" docSource="http://dx.doi.org/10.1080/00222930701359218" docStyle="DocumentStyle:5A9EB2ED5589A523F0236C66DE2A6BA8.4:JNatHist.2005-2007.journal_article.1cover" docStyleId="5A9EB2ED5589A523F0236C66DE2A6BA8" docStyleName="JNatHist.2005-2007.journal_article.1cover" docStyleVersion="4" docTitle="Leptoclinides fluxus Kott 2007, sp. nov." docType="treatment" docVersion="3" lastPageNumber="1169" masterDocId="E52BFF88FFD8FFB3FFAEFFAE9B77CB51" masterDocTitle="New and little-known species of Didemnidae (Ascidiacea, Tunicata) from Australia (part 4)" masterLastPageNumber="1211" masterPageNumber="1163" pageNumber="1169" updateTime="1698902273932" updateUser="plazi" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
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<mods:title id="3E3BECE0DF1CF74D7C94F3D010D55F9B">New and little-known species of Didemnidae (Ascidiacea, Tunicata) from Australia (part 4)</mods:title>
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<mods:namePart id="CA117056B4A24080E1CD9D3035061A5A">Kott, Patricia</mods:namePart>
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<mods:title id="CA1ED6AB735E8129FCBE30950300E219">Journal of Natural History</mods:title>
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<mods:date id="61B898B3319A021507F19E72079317D6">2007</mods:date>
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<mods:number id="C8E8154459850E9A2D897A4160002345">2010-07-29</mods:number>
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<mods:number id="D96E487B5B8DFFFD4F8AAE5E00F69B04">41</mods:number>
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<mods:number id="4564BA64C6BE50208B4AD0258E5405B8">17 - 20</mods:number>
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<mods:identifier id="E8ADB25153DA7BD264042A058EDCF71D" type="ISSN">1464-5262</mods:identifier>
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<paragraph id="910436E6FFDFFFB4FE4EFF27983CCBF0" blockId="7.[480,843,137,193]" box="[480,843,137,161]" pageId="7" pageNumber="1169">
<heading id="CA4C818AFFDFFFB4FE4EFF27983CCBF0" box="[480,843,137,161]" centered="true" fontSize="10" level="2" pageId="7" pageNumber="1169" reason="2">
<taxonomicName id="56BB4D65FFDFFFB4FE4EFF279992CBF0" authority="Kott, 2007" authorityName="Kott" authorityYear="2007" box="[480,741,137,161]" class="Ascidiacea" family="Didemnidae" genus="Leptoclinides" kingdom="Animalia" order="Enterogona" pageId="7" pageNumber="1169" phylum="Chordata" rank="species" species="fluxus" status="sp. nov.">
<emphasis id="A3CFEAF4FFDFFFB4FE4EFF279992CBF0" bold="true" box="[480,741,137,161]" italics="true" pageId="7" pageNumber="1169">Leptoclinides fluxus</emphasis>
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<taxonomicNameLabel id="B8FC578FFFDFFFB4FD40FF27983CCBF0" box="[750,843,137,161]" pageId="7" pageNumber="1169" rank="species">sp. nov.</taxonomicNameLabel>
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<paragraph id="910436E6FFDFFFB4FD8CFF07987ECB90" blockId="7.[480,843,137,193]" box="[546,777,169,193]" pageId="7" pageNumber="1169">
(
<figureCitation id="09802A63FFDFFFB4FD84FF0799A7CB90" box="[554,720,169,193]" captionStart="Figure 1" captionStartId="4.[125,185,1039,1058]" captionTargetBox="[252,1020,136,995]" captionTargetId="figure-226@4.[250,1050,133,1003]" captionTargetPageId="4" captionText="Figure 1. (A) Atriolum irregulare (QM G323245 holotype): larva. (B, C) Leptoclinides fluxus (QM G308817 holotype): (B) colony surface; (C) zooid. (DF) Polysyncraton gratum (QM G308891): (D) thorax; (E) abdomen; (F) larva. (G) Polysyncraton reticulum (QM G323330): larva. Scale bars: 0.1 mm (A, CG); 1 mm (B)." figureDoi="http://doi.org/10.5281/zenodo.4669580" httpUri="https://zenodo.org/record/4669580/files/figure.png" pageId="7" pageNumber="1169">Figures 1B, C</figureCitation>
,
<figureCitation id="09802A63FFDFFFB4FD70FF079876CB90" box="[734,769,169,193]" captionStart="Figure 6" captionStartId="35.[138,198,1583,1602]" captionTargetBox="[303,1021,133,1547]" captionTargetId="figure-0@35.[303,1021,133,1547]" captionTargetPageId="35" captionText="Figure 6. Scanning electron micrographs. (A) Atriolum irregulare (QM G323245); (B) Leptoclinides albamaculatus (QM G308876); (C) Leptoclinides dubius (QM G308892); (D) Leptoclinides durus (QM G308894); (E) Leptoclinides fluxus (QM G308817); (F) Leptoclinides placidus (QM G308766); (G) Polysyncraton cuculliferum (QM G3088458); (H) Polysyncraton gratum (QM G308891)." figureDoi="http://doi.org/10.5281/zenodo.4669594" httpUri="https://zenodo.org/record/4669594/files/figure.png" pageId="7" pageNumber="1169">6E</figureCitation>
)
</paragraph>
<paragraph id="910436E6FFDFFFB4FF24FF549A7CCA43" blockId="7.[138,267,250,274]" box="[138,267,250,274]" pageId="7" pageNumber="1169">
<emphasis id="A3CFEAF4FFDFFFB4FF24FF549A7CCA43" box="[138,267,250,274]" italics="true" pageId="7" pageNumber="1169">Distribution</emphasis>
</paragraph>
<paragraph id="910436E6FFDFFFB4FF24FE859A7CCAD2" blockId="7.[138,1185,299,387]" pageId="7" pageNumber="1169">
<materialsCitation id="21D33CBBFFDFFFB4FF24FE859A70CAD2" collectingDate="2003-09-26" collectionCode="QM" elevation="66" latitude="-17.865" longLatPrecision="76" longitude="146.645" pageId="7" pageNumber="1169" specimenCode="G308817" specimenCount="1" typeStatus="holotype">
Type locality: Great Barrier Reef (GBR Seabed Biodiversity Project SBD 504333 sample 816,
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17.865
<emphasis id="A3CFEAF4FFDFFFB4FE3AFEE59AE9CA32" bold="true" box="[404,414,331,355]" italics="true" pageId="7" pageNumber="1169">°</emphasis>
S
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,
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146.645
<emphasis id="A3CFEAF4FFDFFFB4FD9EFEE5994DCA32" bold="true" box="[560,570,331,355]" italics="true" pageId="7" pageNumber="1169">°</emphasis>
E
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,
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,
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<collectingDate id="F541E9CEFFDFFFB4FD66FEE598A3CA32" box="[712,980,331,355]" pageId="7" pageNumber="1169" value="2003-09-26">26 September 2003</collectingDate>
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,
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<collectionCode id="F7AAAE23FFDFFFB4FBDEFEE59FD7CA32" box="[1136,1184,331,355]" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="7" pageNumber="1169" type="Museum">QM</collectionCode>
<specimenCode id="C11D9E9DFFDFFFB4FF24FEC59B89CAD2" box="[138,254,363,387]" collectionCode="QM" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="7" pageNumber="1169" type="Museum">G308817</specimenCode>
)
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.
</paragraph>
<paragraph id="910436E6FFDFFFB4FF24FE129A74CA85" blockId="7.[138,259,444,468]" box="[138,259,444,468]" pageId="7" pageNumber="1169">
<emphasis id="A3CFEAF4FFDFFFB4FF24FE129A74CA85" box="[138,259,444,468]" italics="true" pageId="7" pageNumber="1169">Description</emphasis>
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<paragraph id="910436E6FFDFFFB4FF24FE439A74C83B" blockId="7.[138,1185,493,1004]" pageId="7" pageNumber="1169">
The
<typeStatus id="4E008844FFDFFFB4FF6BFE439A5EC954" box="[197,297,493,517]" pageId="7" pageNumber="1169" type="holotype">holotype</typeStatus>
colony is a firm sheet encrusting pebbles. White bands are in the surface test where spicules at branchial siphon level are crowded over the deeper common cloacal canals. These surround translucent areas where patches of spherical to irregular black pigment cells are mixed with a superficial layer of bladder cells to create a marbled pattern on the surface test. Dark pigment also surrounds some of the zooids. Branchial apertures open to the surface in these translucent areas and a group of three spicules is in the siphonal lining of each aperture. Spicules are chrysanthemum-like, to
<quantity id="56439B03FFDFFFB4FB95FD019FD6C996" box="[1083,1185,687,711]" metricMagnitude="-5" metricUnit="m" metricValue="5.0" pageId="7" pageNumber="1169" unit="mm" value="0.05">0.05 mm</quantity>
diameter, with long, straight rod-like rays, about
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optical transverse section. The few common cloacal apertures at the junction of some of the canals are sessile with black pigment around the rims. As well as the crowded spicules over the primary common cloacal canals, a less crowded layer is at zooid level but they are only sparse elsewhere.
</paragraph>
<paragraph id="910436E6FFDFFFB4FF0BFCDC987CC8BD" blockId="7.[138,1185,493,1004]" pageId="7" pageNumber="1169">
Zooids are robust with a relatively long branchial siphon, a large, square branchial sac with eight or nine stigmata per row, and a posteriorly orientated atrial siphon. As in all
<taxonomicName id="56BB4D65FFDFFFB4FF24FC1D9A63C89A" box="[138,276,947,971]" class="Ascidiacea" family="Didemnidae" genus="Leptoclinides" kingdom="Animalia" order="Enterogona" pageId="7" pageNumber="1169" phylum="Chordata" rank="genus">
<emphasis id="A3CFEAF4FFDFFFB4FF24FC1D9A63C89A" box="[138,276,947,971]" italics="true" pageId="7" pageNumber="1169">Leptoclinides</emphasis>
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spp. the zooids lack a retractor muscle. Oesophageal buds are present, each with four rows of stigmata. Gonads were not detected.
</paragraph>
<paragraph id="910436E6FFDFFFB4FF24FB8B9B9ECF6C" blockId="7.[138,233,1061,1085]" box="[138,233,1061,1085]" pageId="7" pageNumber="1169">
<emphasis id="A3CFEAF4FFDFFFB4FF24FB8B9B9ECF6C" box="[138,233,1061,1085]" italics="true" pageId="7" pageNumber="1169">Remarks</emphasis>
</paragraph>
<paragraph id="910436E6FFDFFFB4FF24FBFB9B94CFFF" blockId="7.[138,1185,1109,1523]" pageId="7" pageNumber="1169">
Despite the lack of gonads, the present colony is assigned to the genus
<taxonomicName id="56BB4D65FFDFFFB4FC6BFBFB9F38CF3C" box="[965,1103,1109,1133]" class="Ascidiacea" family="Didemnidae" genus="Leptoclinides" kingdom="Animalia" order="Enterogona" pageId="7" pageNumber="1169" phylum="Chordata" rank="genus">
<emphasis id="A3CFEAF4FFDFFFB4FC6BFBFB9F38CF3C" box="[965,1103,1109,1133]" italics="true" pageId="7" pageNumber="1169">Leptoclinides</emphasis>
</taxonomicName>
on the basis of its robust zooids, posteriorly orientated atrial siphon and lack of a retractor muscle.
</paragraph>
<paragraph id="910436E6FFDFFFB4FF0BFB199F00CEA2" blockId="7.[138,1185,1109,1523]" pageId="7" pageNumber="1169">
The colony is unusual in having crowded spicules forming a white opaque band over the common cloacal canals and less crowded spicules around the clumps of zooids where the test is more translucent. The spicules also are unusual, resembling some in the genus
<taxonomicName id="56BB4D65FFDFFFB4FF24FAB69A7ECE61" box="[138,265,1304,1328]" class="Ascidiacea" family="Didemnidae" genus="Lissoclinum" kingdom="Animalia" order="Enterogona" pageId="7" pageNumber="1169" phylum="Chordata" rank="genus">
<emphasis id="A3CFEAF4FFDFFFB4FF24FAB69A7ECE61" box="[138,265,1304,1328]" italics="true" pageId="7" pageNumber="1169">Lissoclinum</emphasis>
</taxonomicName>
. In
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<emphasis id="A3CFEAF4FFDFFFB4FEE6FAB69AA5CE61" box="[328,466,1304,1328]" italics="true" pageId="7" pageNumber="1169">Leptoclinides</emphasis>
</taxonomicName>
,
<emphasis id="A3CFEAF4FFDFFFB4FE47FAB7991CCE61" box="[489,619,1304,1328]" italics="true" pageId="7" pageNumber="1169">L. leυitatus</emphasis>
<bibRefCitation id="F52A4B17FFDFFFB4FDD5FAB69872CE61" author="Kott P" box="[635,773,1304,1328]" pageId="7" pageNumber="1169" pagination="1 - 410" refId="ref21062" refString="Kott P. 2001. The Australian Ascidiacea Pt 4, Didemnidae. Memoirs of the Queensland Museum 47: 1 - 410." type="journal article" year="2001">Kott, 2001</bibRefCitation>
, recorded from northeastern and northwestern
<collectingCountry id="E9AC7676FFDFFFB4FE83FA979AE2CE00" box="[301,405,1337,1361]" name="Australia" pageId="7" pageNumber="1169">Australia</collectingCountry>
and the
<collectingRegion id="537FF804FFDFFFB4FDADFA979993CE00" box="[515,740,1337,1361]" country="Australia" name="Northern Territory" pageId="7" pageNumber="1169">Northern Territory</collectingRegion>
(see
<bibRefCitation id="F52A4B17FFDFFFB4FC88FA9798C2CE00" author="Kott P" box="[806,949,1337,1361]" pageId="7" pageNumber="1169" pagination="2455 - 2526" refId="ref21157" refString="Kott P. 2004 b. New and little-known species of Didemnidae (Ascidiacea, Tunicata) from Australia (part 2). Journal of Natural History 38: 2455 - 2526." type="journal article" year="2004">Kott 2004b</bibRefCitation>
), is the only known species with spicules of similar size and numbers of rays, although the latter are long pointed cones rather than the rod-like rays of the present species.
<bibRefCitation id="F52A4B17FFDFFFB4FC7DFAD49F00CEC3" author="Kott P" box="[979,1143,1402,1426]" pageId="7" pageNumber="1169" pagination="2409 - 2479" refId="ref21231" refString="Kott P. 2005 a. New and little-known species of Didemnidae (Ascidiacea, Tunicata) from Australia (part 3). Journal of Natural History 39: 2409 - 2479." type="journal article" year="2005">Kott (2005a)</bibRefCitation>
, in discussing the relationship of
<emphasis id="A3CFEAF4FFDFFFB4FE58FA359901CEE3" box="[502,630,1434,1458]" italics="true" pageId="7" pageNumber="1169">L. leυitatus</emphasis>
and
<taxonomicName id="56BB4D65FFDFFFB4FD15FA3598B2CEE3" authority="Kott, 2001" authorityName="Kott" authorityYear="2001" box="[699,965,1434,1458]" class="Ascidiacea" family="Didemnidae" genus="Leptoclinides" kingdom="Animalia" order="Enterogona" pageId="7" pageNumber="1169" phylum="Chordata" rank="species" species="echinus">
<emphasis id="A3CFEAF4FFDFFFB4FD15FA359847CEE3" box="[699,816,1434,1458]" italics="true" pageId="7" pageNumber="1169">L. echinus</emphasis>
<bibRefCitation id="F52A4B17FFDFFFB4FC93FA3498B2CEE3" author="Kott P" box="[829,965,1434,1458]" pageId="7" pageNumber="1169" pagination="1 - 410" refId="ref21062" refString="Kott P. 2001. The Australian Ascidiacea Pt 4, Didemnidae. Memoirs of the Queensland Museum 47: 1 - 410." type="journal article" year="2001">Kott, 2001</bibRefCitation>
</taxonomicName>
, distinguished the former species by the presence of some smaller burr-shaped spicules, although their spicules are more readily distinguished by the fewer rays in those of the latter species.
</paragraph>
</subSubSection>
</treatment>
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