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<document id="E8E2210AAF0DE97FF3F1D74B3A33915E" ID-DOI="10.1080/00222930310001647334" ID-ISSN="1464-5262" ID-Zenodo-Dep="4653689" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1617217469113" checkinUser="carolina" docAuthor="Kott, Patricia" docDate="2004" docId="A1678788FF8CFF13816B4460FCA3A7F0" docLanguage="en" docName="JNATHIST.38.731-774.pdf" docOrigin="Journal of Natural History 38 (19)" docSource="http://www.tandfonline.com/doi/abs/10.1080/00222930310001647334" docStyle="DocumentStyle:443144A73DAE3E092C51A378E4CD0138.2:JNatHist.2003-2004.journal_article.1cover" docStyleId="443144A73DAE3E092C51A378E4CD0138" docStyleName="JNatHist.2003-2004.journal_article.1cover" docStyleVersion="2" docTitle="Didemnum nambucciensis Kott 2004, sp. nov." docType="treatment" docVersion="4" lastPageNumber="754" masterDocId="5D5EFFF0FF9BFF0B833D407FFFF7A27E" masterDocTitle="New and little-known species of Didemnidae (Ascidiacea, Tunicata) from Australia (part I)" masterLastPageNumber="774" masterPageNumber="731" pageNumber="753" updateTime="1698898381800" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="F349A969CF7F592648A5CF663547F0F4">New and little-known species of Didemnidae (Ascidiacea, Tunicata) from Australia (part I)</mods:title>
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<mods:namePart id="C981E8BFABB3FD7A2875F6AB7804A5A9">Kott, Patricia</mods:namePart>
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<mods:title id="95FB70B6575718B009CC09B1863676D8">Journal of Natural History</mods:title>
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<mods:date id="69400DD22C5605EC3832D8E024784ED6">2004</mods:date>
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<subSubSection id="61D46515FF8CFF1C816B4460FC20A649" box="[598,983,1055,1079]" pageId="23" pageNumber="753" type="nomenclature">
<paragraph id="2971369EFF8CFF1C816B4460FC20A649" blockId="23.[598,983,1055,1112]" box="[598,983,1055,1079]" pageId="23" pageNumber="753">
<heading id="723981F2FF8CFF1C816B4460FC20A649" box="[598,983,1055,1079]" centered="true" fontSize="10" level="2" pageId="23" pageNumber="753" reason="3">
<taxonomicName id="EECE4D1DFF8CFF1C816B4460FC84A649" authority="Kott, 2004" authorityName="Kott" authorityYear="2004" box="[598,883,1055,1079]" class="Ascidiacea" family="Didemnidae" genus="Didemnum" kingdom="Animalia" order="Enterogona" pageId="23" pageNumber="753" phylum="Chordata" rank="species" species="nambucciensis" status="sp. nov.">
<emphasis id="1BBAEA8CFF8CFF1C816B4460FC84A649" bold="true" box="[598,883,1055,1079]" italics="true" pageId="23" pageNumber="753">Didemnum nambucciensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="008957F7FF8CFF1C8041445FFC20A649" box="[892,983,1056,1079]" pageId="23" pageNumber="753" rank="species">sp. nov.</taxonomicNameLabel>
</heading>
</paragraph>
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<subSubSection id="61D46515FF8CFF1381E14440FCA3A7F0" lastPageId="24" lastPageNumber="754" pageId="23" pageNumber="753" type="description">
<paragraph id="2971369EFF8CFF1C81E14440FCA5A626" blockId="23.[598,983,1055,1112]" box="[732,850,1087,1112]" pageId="23" pageNumber="753">
(
<figureCitation id="B1F52A1BFF8CFF1C81DE4440FCBEA626" box="[739,841,1087,1112]" captionStart="FIG" captionStartId="24.[313,329,917,938]" captionTargetBox="[519,1064,179,889]" captionTargetId="figure-4@24.[518,1064,179,890]" captionTargetPageId="24" captionText="FIG. 12. Didemnum nambucciensis (QM G10026): (A) thorax; (B) abdomen; (C) spicules. Scales: (A, B) 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4653715" httpUri="https://zenodo.org/record/4653715/files/figure.png" pageId="23" pageNumber="753">figure 12</figureCitation>
)
</paragraph>
<paragraph id="2971369EFF8CFF1C825C440DFB7FA6D7" blockId="23.[313,1269,1138,1736]" pageId="23" pageNumber="753">
<emphasis id="1BBAEA8CFF8CFF1C825C440DFE19A6F4" box="[353,494,1138,1162]" italics="true" pageId="23" pageNumber="753">Distribution.</emphasis>
Type locality:
<collectingRegion id="EB0AF87CFF8CFF1C81A2440DFC99A6F4" box="[671,878,1138,1162]" country="Australia" name="New South Wales" pageId="23" pageNumber="753">New South Wales</collectingRegion>
(Nambucca Heads,
<quantity id="EE369B7BFF8CFF1C875C440DFB6EA6F7" box="[1121,1177,1138,1162]" metricMagnitude="1" metricUnit="m" metricValue="1.3" pageId="23" pageNumber="753" unit="m" value="13.0">13 m</quantity>
, coll. J. Watson,
<date id="5D70105EFF8CFF1C82A244EDFDA9A6D4" box="[415,606,1170,1194]" pageId="23" pageNumber="753" value="1972-01-11">11 January 1972</date>
,
<typeStatus id="F675883CFF8CFF1C815144EDFD38A6D4" box="[620,719,1170,1194]" pageId="23" pageNumber="753" type="holotype">holotype</typeStatus>
QM G10025;
<typeStatus id="F675883CFF8CFF1C804544EDFC2BA6D4" box="[888,988,1170,1194]" pageId="23" pageNumber="753" type="paratype">paratype</typeStatus>
QM G10026).
</paragraph>
<paragraph id="2971369EFF8CFF1C825C44CDFD81A437" blockId="23.[313,1269,1138,1736]" pageId="23" pageNumber="753">
<emphasis id="1BBAEA8CFF8CFF1C825C44CDFE17A6B7" box="[353,480,1202,1225]" italics="true" pageId="23" pageNumber="753">Description</emphasis>
. Colonies are large encrusting sheets, white in preservative with spicules crowded in the surface test (above the thoracic common cloacal canals). The basal test varies in thickness, sometimes forming the central core of ridges or conical elevations. It is gelatinous with relatively sparse spicules, sometimes in clouds but sometimes evenly distributed. Zooid openings are along each side of a network of slight surface depressions over the primary circular common cloacal canals that surround zooid-free areas. Each stellate branchial aperture is lined with spicules and is emphasized by the blackish pigment in the siphonal lining. About nine spiculefilled radial ribs are in the roof of the common cloacal cavity around each sessile common cloacal aperture. The common cloacal apertures are randomly distributed, and not always terminal. Spicules sometimes are stellate, to
<quantity id="EE369B7BFF8CFF1C80D54590FBBFA476" box="[1000,1096,1519,1544]" metricMagnitude="-5" metricUnit="m" metricValue="5.0" pageId="23" pageNumber="753" unit="mm" value="0.05">0.05 mm</quantity>
diameter, with 1719 crowded but slightly uneven conical rays; and others are globular with flat-tipped to rounded rays.
</paragraph>
<paragraph id="2971369EFF8CFF13825C462FFB02A631" blockId="23.[313,1269,1138,1736]" lastBlockId="24.[313,1269,1047,1423]" lastPageId="24" lastPageNumber="754" pageId="23" pageNumber="753">Zooids are a dark brownish colour, even after 25 years in preservative. They are small, with a relatively long cylindrical branchial siphon, a sessile, open atrial aperture with a pointed or rounded atrial tongue. A very long, tapering retractor muscle projects from the upper part of the oesophageal neck. The narrow thorax has about eight long narrow stigmata in the anterior row, but fewer in the other rows. Seven vas deferens coils are around the undivided testis. Larvae are not known.</paragraph>
<caption id="7DB16616FF83FF13820443EAFC7CA1BA" ID-DOI="http://doi.org/10.5281/zenodo.4653715" ID-Zenodo-Dep="4653715" httpUri="https://zenodo.org/record/4653715/files/figure.png" pageId="24" pageNumber="754" startId="24.[313,329,917,938]" targetBox="[519,1064,179,889]" targetPageId="24">
<paragraph id="2971369EFF83FF13820443EAFC7CA1BA" blockId="24.[313,1269,916,965]" pageId="24" pageNumber="754">
FIG. 12.
<taxonomicName id="EECE4D1DFF83FF13829C43EBFD54A1D7" authorityName="Kott" authorityYear="2004" box="[417,675,916,937]" class="Ascidiacea" family="Didemnidae" genus="Didemnum" kingdom="Animalia" order="Enterogona" pageId="24" pageNumber="754" phylum="Chordata" rank="species" species="nambucciensis">
<emphasis id="1BBAEA8CFF83FF13829C43EBFD54A1D7" box="[417,675,916,937]" italics="true" pageId="24" pageNumber="754">Didemnum nambucciensis</emphasis>
</taxonomicName>
(QM G10026): (A) thorax; (B) abdomen; (C) spicules. Scales: (A, B) 0.1 mm.
</paragraph>
</caption>
<paragraph id="2971369EFF83FF13825C4428FCA3A7F0" blockId="24.[313,1269,1047,1423]" pageId="24" pageNumber="754">
<emphasis id="1BBAEA8CFF83FF13825C4428FE33A611" box="[353,452,1111,1135]" italics="true" pageId="24" pageNumber="754">Remarks</emphasis>
. The spicules resemble those of
<taxonomicName id="EECE4D1DFF83FF1380764428FB07A611" authority="Sluiter, 1909" authorityName="Sluiter" authorityYear="1909" box="[843,1264,1111,1135]" class="Ascidiacea" family="Didemnidae" genus="Didemnum" kingdom="Animalia" order="Enterogona" pageId="24" pageNumber="754" phylum="Chordata" rank="species" species="chartaceum">
<emphasis id="1BBAEA8CFF83FF1380764428FBB9A611" box="[843,1102,1111,1135]" italics="true" pageId="24" pageNumber="754">Didemnum chartaceum</emphasis>
<bibRefCitation id="4D5F4B6FFF83FF1387674428FB07A611" author="SLUITER, C. P." box="[1114,1264,1111,1135]" pageId="24" pageNumber="754" pagination="1 - 112" refId="ref21481" refString="SLUITER, C. P., 1909, Die Tunicaten der Siboga Expedition Pt. 2. Die merosomen Ascidien, Siboga Expeditie, 56 B, 1 - 112." type="journal article" year="1909">Sluiter, 1909</bibRefCitation>
</taxonomicName>
, although they are smaller. However, the present species lacks the conspicuous bladder cells and spongy texture of
<taxonomicName id="EECE4D1DFF83FF1381DE44E7FC7EA6D1" authorityName="Sluiter" authorityYear="1909" box="[739,905,1175,1199]" class="Ascidiacea" family="Didemnidae" genus="Didemnum" kingdom="Animalia" order="Enterogona" pageId="24" pageNumber="754" phylum="Chordata" rank="species" species="chartaceum">
<emphasis id="1BBAEA8CFF83FF1381DE44E7FC7EA6D1" box="[739,905,1175,1199]" italics="true" pageId="24" pageNumber="754">D. chartaceum</emphasis>
</taxonomicName>
, has a thicker colony, spicules crowded throughout the upper layer of test and also in the lower half of the colony (rather than being only in single layers at the surface and on the base) and nine coils of the vas deferens.
<taxonomicName id="EECE4D1DFF83FF1381584489FC06A771" authority="Kott, 2001" authorityName="Kott" authorityYear="2001" box="[613,1009,1270,1295]" class="Ascidiacea" family="Didemnidae" genus="Didemnum" kingdom="Animalia" order="Enterogona" pageId="24" pageNumber="754" phylum="Chordata" rank="species" species="multispirale">
<emphasis id="1BBAEA8CFF83FF1381584489FC9EA770" box="[613,873,1270,1294]" italics="true" pageId="24" pageNumber="754">Didemnum multispirale</emphasis>
<bibRefCitation id="4D5F4B6FFF83FF1380494488FC06A771" author="KOTT, P." box="[884,1009,1271,1295]" pageId="24" pageNumber="754" pagination="1 - 407" refId="ref21209" refString="KOTT, P., 2001, The Australian Ascidiacea Pt 4, Aplousobranchia (3) Didemnidae, Memoirs of the Queensland Museum, 47 (1), 1 - 407." type="journal article" year="2001">Kott, 2001</bibRefCitation>
</taxonomicName>
also has spicules that resemble those of the present species but they are larger and it has more coils of the vas deferens.
<taxonomicName id="EECE4D1DFF83FF1382E94549FC96A730" authority="Sluiter, 1909" authorityName="Sluiter" authorityYear="1909" box="[468,865,1334,1358]" class="Ascidiacea" family="Didemnidae" genus="Didemnum" kingdom="Animalia" order="Enterogona" pageId="24" pageNumber="754" phylum="Chordata" rank="species" species="elongatum">
<emphasis id="1BBAEA8CFF83FF1382E94549FD31A730" box="[468,710,1334,1358]" italics="true" pageId="24" pageNumber="754">Didemnum elongatum</emphasis>
<bibRefCitation id="4D5F4B6FFF83FF1381F24549FC96A730" author="SLUITER, C. P." box="[719,865,1334,1358]" pageId="24" pageNumber="754" pagination="1 - 112" refId="ref21481" refString="SLUITER, C. P., 1909, Die Tunicaten der Siboga Expedition Pt. 2. Die merosomen Ascidien, Siboga Expeditie, 56 B, 1 - 112." type="journal article" year="1909">Sluiter, 1909</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="EECE4D1DFF83FF1380534548FB36A730" authority="(Herdman, 1886)" baseAuthorityName="Herdman" baseAuthorityYear="1886" box="[878,1217,1334,1358]" class="Ascidiacea" family="Didemnidae" genus="Didemnum" kingdom="Animalia" order="Enterogona" pageId="24" pageNumber="754" phylum="Chordata" rank="species" species="moseleyi">
<emphasis id="1BBAEA8CFF83FF1380534548FC06A730" box="[878,1009,1334,1358]" italics="true" pageId="24" pageNumber="754">D. moseleyi</emphasis>
(
<bibRefCitation id="4D5F4B6FFF83FF1387384549FB4EA730" author="HERDMAN, W. A." box="[1029,1209,1334,1358]" pageId="24" pageNumber="754" pagination="1 - 425" refId="ref20777" refString="HERDMAN, W. A., 1886, Report on the Tunicata collected during the voyage of H. M. S. ' Challenger' during the years 1873 - 76. Pt. II, Ascidiae compositae, Report on the Scientific Results of the Exploring Voyage of H. M. S. ' Challenger' during the years 1875 - 1876. Zoology, 14 (38), 1 - 425." type="journal article" year="1886">Herdman, 1886</bibRefCitation>
)
</taxonomicName>
and
<taxonomicName id="EECE4D1DFF83FF1382044528FCACA710" authority="Monniot and Monniot, 1996" authorityName="Monniot and Monniot" authorityYear="1996" box="[313,859,1366,1390]" class="Ascidiacea" family="Didemnidae" genus="Didemnum" kingdom="Animalia" order="Enterogona" pageId="24" pageNumber="754" phylum="Chordata" rank="species" species="poecilomorpha">
<emphasis id="1BBAEA8CFF83FF1382044528FDF7A710" box="[313,512,1366,1390]" italics="true" pageId="24" pageNumber="754">D. poecilomorpha</emphasis>
<bibRefCitation id="4D5F4B6FFF83FF1381364529FCACA710" author="MONNIOT, F. &amp; MONNIOT, C." box="[523,859,1366,1390]" pageId="24" pageNumber="754" pagination="133 - 279" refId="ref21388" refString="MONNIOT, F. and MONNIOT, C., 1996, New collections of ascidians from the western Pacific and southeastern Asia, Micronesica, 29 (2), 133 - 279." type="journal article" year="1996">Monniot and Monniot, 1996</bibRefCitation>
</taxonomicName>
have stellate and globular spicules but fewer spicule rays than the present species.
</paragraph>
</subSubSection>
</treatment>
</document>