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<document id="BA067A63CE03CA71A48C1776635D835A" ID-DOI="10.1080/00222933.2014.896487" ID-ISSN="1464-5262" ID-Zenodo-Dep="5193878" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1628812525085" checkinUser="felipe" docAuthor="Page, M. J., Willis, T. J. &amp; Handley, S. J." docDate="2014" docId="6C5C87F5FFFA3B4EFE5351C226A1F91A" docLanguage="en" docName="JNatHist.48.27-28.1653-1688.pdf" docOrigin="Journal of Natural History (J. Nat. Hist.) 48 (27 - 28)" docSource="http://dx.doi.org/10.1080/00222933.2014.896487" docStyle="DocumentStyle:CD936EBDDF5274E0936345450CC2DAE4.5:JNatHist.2013-2015.journal_article.1cover" docStyleId="CD936EBDDF5274E0936345450CC2DAE4" docStyleName="JNatHist.2013-2015.journal_article.1cover" docStyleVersion="5" docTitle="Didemnum lithostrotum Brewin 1956" docType="treatment" docVersion="5" lastPageNumber="1680" masterDocId="9065FF8DFFE63B52FFCE505D250AFF89" masterDocTitle="The colonial ascidian fauna of Fiordland, New Zealand, with a description of two new species" masterLastPageNumber="1688" masterPageNumber="1653" pageNumber="1680" updateTime="1699052837769" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="0CCCCA6B800D7A33AC333CE11563A58E">The colonial ascidian fauna of Fiordland, New Zealand, with a description of two new species</mods:title>
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<mods:date id="1C880C7DE3367CFB36F8866D799D095C">2014</mods:date>
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<subSubSection id="ACEF6568FFFA3B4EFE5351C22648FE3E" box="[413,834,415,439]" pageId="28" pageNumber="1680" type="nomenclature">
<paragraph id="E44A36E3FFFA3B4EFE5351C22648FE3E" blockId="28.[413,834,415,471]" box="[413,834,415,439]" pageId="28" pageNumber="1680">
<heading id="BF02818FFFFA3B4EFE5351C22648FE3E" box="[413,834,415,439]" centered="true" fontSize="10" level="2" pageId="28" pageNumber="1680" reason="2">
<taxonomicName id="23F54D60FFFA3B4EFE5351C22648FE3E" ID-CoL="35WQY" authority="Brewin, 1956" authorityName="Brewin" authorityYear="1956" box="[413,834,415,439]" class="Ascidiacea" family="Didemnidae" genus="Didemnum" kingdom="Animalia" order="Aplousobranchia" pageId="28" pageNumber="1680" phylum="Chordata" rank="species" species="lithostrotum">
<emphasis id="D681EAF1FFFA3B4EFE5351C227AEFE3E" bold="true" box="[413,676,415,439]" italics="true" pageId="28" pageNumber="1680">Didemnum lithostrotum</emphasis>
Brewin, 1956
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<subSubSection id="ACEF6568FFFA3B4EFDE951E227B2FE5E" box="[551,696,447,471]" pageId="28" pageNumber="1680" type="description">
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(
<figureCitation id="7CCE2A66FFFA3B4EFDFE51E227BAFE5E" box="[560,688,447,471]" captionStart="Figure 11" captionStartId="22.[144,211,1402,1424]" captionTargetBox="[144,1104,168,1370]" captionTargetId="figure-61@22.[144,1104,168,1370]" captionTargetPageId="22" captionText="Figure 11. In situ images of: (A) Eudistoma circumvallatum (NIWA 49966); (B) Pseudodistoma cereum (NIWA 49992); (C) Pseudodistoma novaezelandiae (MNP7398) from the Kermadec Islands; (D) Trididemnum shawi sp. nov. (NIWA 10872, holotype); (E) Didemnum jucundum (NIWA 10873); (F) Didemnum lithostrotum (NIWA 49980)." figureDoi="http://doi.org/10.5281/zenodo.5193900" httpUri="https://zenodo.org/record/5193900/files/figure.png" pageId="28" pageNumber="1680">Figure 11F</figureCitation>
)
</paragraph>
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<subSubSection id="ACEF6568FFFA3B4EFF5E51A22782FDBE" pageId="28" pageNumber="1680" type="reference_group">
<paragraph id="E44A36E3FFFA3B4EFF5E51A22697FD9E" blockId="28.[144,925,511,567]" box="[144,925,511,537]" pageId="28" pageNumber="1680">
<treatmentCitationGroup id="C4E511CDFFFA3B4EFF5E51A22697FD9E" box="[144,925,511,537]" pageId="28" pageNumber="1680">
<treatmentCitation id="655410F2FFFA3B4EFF5E51A22792FD9E" author="Brewin, BI" box="[144,664,511,535]" page="127" pageId="28" pageNumber="1680" year="1956">
<taxonomicName id="23F54D60FFFA3B4EFF5E51A22792FD9E" ID-CoL="35WQY" authority="Brewin, 1956 a: p. 127" authorityName="Brewin" authorityPageNumber="127" authorityYear="1956" box="[144,664,511,535]" class="Ascidiacea" family="Didemnidae" genus="Didemnum" kingdom="Animalia" order="Aplousobranchia" pageId="28" pageNumber="1680" phylum="Chordata" rank="species" species="lithostrotum">
<emphasis id="D681EAF1FFFA3B4EFF5E51A2249DFD9E" box="[144,407,511,535]" italics="true" pageId="28" pageNumber="1680">Didemnum lithostrotum</emphasis>
<bibRefCitation id="80644B12FFFA3B4EFE5151A2274CFD9E" author="Brewin, BI" box="[415,582,511,535]" pageId="28" pageNumber="1680" pagination="121 - 137" refId="ref14224" refString="Brewin, BI. 1956 a. Ascidians from the Chatham Islands and the Chatham Rise. Trans Proc Royal Soc New Zealand. 84: 121 - 137." type="journal article" year="1956">Brewin, 1956a</bibRefCitation>
: p. 127
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129, figs 3A
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, A
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, A
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.
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</paragraph>
<paragraph id="E44A36E3FFFA3B4EFF5E52422782FDBE" blockId="28.[144,925,511,567]" box="[144,648,543,567]" pageId="28" pageNumber="1680">
<treatmentCitationGroup id="C4E511CDFFFA3B4EFF5E52422782FDBE" box="[144,648,543,567]" pageId="28" pageNumber="1680">
<treatmentCitation id="655410F2FFFA3B4EFF5E52422753FDBE" author="Millar, RH" box="[144,601,543,567]" page="49" pageId="28" pageNumber="1680" year="1982">
<taxonomicName id="23F54D60FFFA3B4EFF5E52422753FDBE" ID-CoL="35WQY" authority=": Millar 1982: 49" authorityName=": Millar" authorityPageNumber="49" authorityYear="1982" box="[144,601,543,567]" class="Ascidiacea" family="Didemnidae" genus="Didemnum" kingdom="Animalia" order="Aplousobranchia" pageId="28" pageNumber="1680" phylum="Chordata" rank="species" species="lithostrotum">
<emphasis id="D681EAF1FFFA3B4EFF5E5242249DFDBE" box="[144,407,543,567]" italics="true" pageId="28" pageNumber="1680">Didemnum lithostrotum</emphasis>
:
<bibRefCitation id="80644B12FFFA3B4EFE6952422753FDBE" author="Millar, RH" box="[423,601,543,567]" pageId="28" pageNumber="1680" refId="ref15362" refString="Millar, RH. 1982. The marine fauna of New Zealand: Ascidiacea. New Zealand Oceanogr Mem. 85: 114 pp." type="book" year="1982">Millar 1982: 49</bibRefCitation>
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, 51.
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</paragraph>
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<paragraph id="E44A36E3FFFA3B4EFF5E52D12469FD2D" blockId="28.[144,1104,652,811]" box="[144,355,652,676]" pageId="28" pageNumber="1680">
<heading id="BF02818FFFFA3B4EFF5E52D12469FD2D" box="[144,355,652,676]" fontSize="10" level="3" pageId="28" pageNumber="1680" reason="5">
<emphasis id="D681EAF1FFFA3B4EFF5E52D12469FD2D" box="[144,355,652,676]" italics="true" pageId="28" pageNumber="1680">Material examined</emphasis>
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<paragraph id="E44A36E3FFFA3B4EFF5E52E92706FD62" blockId="28.[144,1104,652,811]" pageId="28" pageNumber="1680">
<emphasis id="D681EAF1FFFA3B4EFF5E52E9241AFD45" box="[144,272,692,716]" italics="true" pageId="28" pageNumber="1680">New record</emphasis>
:
<materialsCitation id="549D3CBEFFFA3B4EFEEE52E92702FD62" collectingDate="2009-02-03" collectionCode="NIWA" elevation="20" latitude="-45.016834" location="Caswell Sound" longLatPrecision="11" longitude="167.14" municipality="Paua Bay" pageId="28" pageNumber="1680" specimenCode="NIWA 49980" specimenCount="1">
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,
<collectingMunicipality id="042EAC99FFFA3B4EFE1652E9274CFD45" box="[472,582,692,716]" pageId="28" pageNumber="1680">Paua Bay</collectingMunicipality>
(
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,
<geoCoordinate id="81C15024FFFA3B4EFD2952E92670FD45" box="[743,890,692,716]" degrees="167" direction="east" minutes="08.40" orientation="longitude" pageId="28" pageNumber="1680" precision="9" value="167.14">167° 08.40E</geoCoordinate>
,
<quantity id="230D9B06FFFA3B4EFC4652E926CEFD45" box="[904,964,692,716]" metricMagnitude="1" metricUnit="m" metricValue="2.0" pageId="28" pageNumber="1680" unit="m" value="20.0">
<elevation id="6FD8D1D0FFFA3B4EFC4652E926CEFD45" box="[904,964,692,716]" metricMagnitude="1" metricUnit="m" metricValue="2.0" pageId="28" pageNumber="1680" unit="m" value="20.0">20 m</elevation>
</quantity>
,
<date id="904B1023FFFA3B4EFC1F52E925C2FD62" pageId="28" pageNumber="1680" value="2009-02-03">
<collectingDate id="800FE9CBFFFA3B4EFC1F52E925C2FD62" pageId="28" pageNumber="1680" value="2009-02-03">3 February 2009</collectingDate>
</date>
,
<specimenCode id="B4539E98FFFA3B4EFF1B528E2478FD62" box="[213,370,723,747]" collectionCode="NIWA" country="New Zealand" httpUri="http://grbio.org/cool/nyq3-3g6s" name="National Institute of Water and Atmospheric Research" pageId="28" pageNumber="1680" type="Other institutional type">NIWA 49980</specimenCode>
, one colony)
</materialsCitation>
.
</paragraph>
<paragraph id="E44A36E3FFFA3B4EFF7452A927EDFCA2" blockId="28.[144,1104,652,811]" pageId="28" pageNumber="1680">
<emphasis id="D681EAF1FFFA3B4EFF7452A9249DFC85" box="[186,407,756,780]" italics="true" pageId="28" pageNumber="1680">Previously recorded</emphasis>
:
<collectingCountry id="9CE27673FFFA3B4EFE6752AE2743FC82" box="[425,585,755,779]" name="New Zealand" pageId="28" pageNumber="1680">New Zealand</collectingCountry>
:
<collectingRegion id="2631F801FFFA3B4EFD9952AE2610FC82" box="[599,794,755,779]" country="New Zealand" name="Chatham Islands" pageId="28" pageNumber="1680">Chatham Islands</collectingRegion>
(
<bibRefCitation id="80644B12FFFA3B4EFCE352AE26C6FC82" author="Brewin, BI" box="[813,972,755,779]" pageId="28" pageNumber="1680" pagination="121 - 137" refId="ref14224" refString="Brewin, BI. 1956 a. Ascidians from the Chatham Islands and the Chatham Rise. Trans Proc Royal Soc New Zealand. 84: 121 - 137." type="journal article" year="1956">Brewin 1956a</bibRefCitation>
); Chatham Rise (
<bibRefCitation id="80644B12FFFA3B4EFF1F534E2464FCA2" author="Brewin, BI" box="[209,366,787,811]" pageId="28" pageNumber="1680" pagination="121 - 137" refId="ref14224" refString="Brewin, BI. 1956 a. Ascidians from the Chatham Islands and the Chatham Rise. Trans Proc Royal Soc New Zealand. 84: 121 - 137." type="journal article" year="1956">Brewin 1956a</bibRefCitation>
); Stewart Island (
<bibRefCitation id="80644B12FFFA3B4EFDF4534E27DDFCA2" author="Brewin, BI" box="[570,727,787,811]" pageId="28" pageNumber="1680" pagination="439 - 453" refId="ref14319" refString="Brewin, BI. 1958 a. Ascidians of New Zealand. Part XI. Ascidians of the Stewart Island region. Trans Royal Soc NZ. 85: 439 - 453." type="journal article" year="1958">Brewin 1958a</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="ACEF6568FFFA3B4EFF5E53DD242CFB56" pageId="28" pageNumber="1680" type="description">
<paragraph id="E44A36E3FFFA3B4EFF5E53DD2405FC11" blockId="28.[144,1104,896,1247]" box="[144,271,896,920]" pageId="28" pageNumber="1680">
<heading id="BF02818FFFFA3B4EFF5E53DD2405FC11" box="[144,271,896,920]" fontSize="10" level="3" pageId="28" pageNumber="1680" reason="5">
<emphasis id="D681EAF1FFFA3B4EFF5E53DD2405FC11" box="[144,271,896,920]" italics="true" pageId="28" pageNumber="1680">Description</emphasis>
</heading>
</paragraph>
<paragraph id="E44A36E3FFFA3B4EFF5E53F5242CFB56" blockId="28.[144,1104,896,1247]" pageId="28" pageNumber="1680">
The pink/orange (YR 7/6) colony from Caswell Sound is
<quantity id="230D9B06FFFA3B4EFCF053F52689FC49" box="[830,899,936,960]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="28" pageNumber="1680" unit="mm" value="1.0">1 mm</quantity>
thick, encrusting on the brachiopod
<taxonomicName id="23F54D60FFFA3B4EFEB0539527ADFC69" box="[382,679,968,992]" class="Rhynchonellata" family="Terebratulidae" genus="Liothyrella" kingdom="Animalia" order="Terebratulida" pageId="28" pageNumber="1680" phylum="Brachiopoda" rank="species" species="neozealandica">
<emphasis id="D681EAF1FFFA3B4EFEB0539527ADFC69" box="[382,679,968,992]" italics="true" pageId="28" pageNumber="1680">Liothyrella neozealandica</emphasis>
</taxonomicName>
. The test is divided into irregular polygonal areas, each with a central common cloacal aperture (
<figureCitation id="7CCE2A66FFFA3B4EFC7853B5214BFB89" box="[950,1089,1000,1024]" captionStart="Figure 11" captionStartId="22.[144,211,1402,1424]" captionTargetBox="[144,1104,168,1370]" captionTargetId="figure-61@22.[144,1104,168,1370]" captionTargetPageId="22" captionText="Figure 11. In situ images of: (A) Eudistoma circumvallatum (NIWA 49966); (B) Pseudodistoma cereum (NIWA 49992); (C) Pseudodistoma novaezelandiae (MNP7398) from the Kermadec Islands; (D) Trididemnum shawi sp. nov. (NIWA 10872, holotype); (E) Didemnum jucundum (NIWA 10873); (F) Didemnum lithostrotum (NIWA 49980)." figureDoi="http://doi.org/10.5281/zenodo.5193900" httpUri="https://zenodo.org/record/5193900/files/figure.png" pageId="28" pageNumber="1680">Figure 11F</figureCitation>
). Spicules occur throughout the colony, although more are concentrated in a layer near the surface and at the substratum. They have eight rounded rays in optical cross-section and measure 4070 µm in diameter. The zooids are
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long in fixed material, the branchial aperture is relatively tall with six low pointed lobes, and the atrial aperture is smooth rimmed with a short simple lappet. The stomach is small and globular. There are two testis follicles with six to seven coils of the vas deferens.
</paragraph>
</subSubSection>
<subSubSection id="ACEF6568FFFA3B4EFF5E556926A1F91A" pageId="28" pageNumber="1680" type="discussion">
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<emphasis id="D681EAF1FFFA3B4EFF5E556925F8FAC5" box="[144,242,1332,1356]" italics="true" pageId="28" pageNumber="1680">Remarks</emphasis>
</heading>
</paragraph>
<paragraph id="E44A36E3FFFA3B4EFF5E550126A1F91A" blockId="28.[144,1104,1332,1683]" pageId="28" pageNumber="1680">
Possible synonymy of this species to
<taxonomicName id="23F54D60FFFA3B4EFD4B5501211AFAFD" authority="(Nott 1892)" baseAuthorityName="Nott" baseAuthorityYear="1892" box="[645,1040,1372,1396]" class="Ascidiacea" family="Didemnidae" genus="Didemnum" kingdom="Animalia" order="Aplousobranchia" pageId="28" pageNumber="1680" phylum="Chordata" rank="species" species="densum">
<emphasis id="D681EAF1FFFA3B4EFD4B5501266DFAFD" box="[645,871,1372,1396]" italics="true" pageId="28" pageNumber="1680">Didemnum densum</emphasis>
(
<bibRefCitation id="80644B12FFFA3B4EFC4B5501210DFAFD" author="Nott, JT" box="[901,1031,1372,1396]" pageId="28" pageNumber="1680" pagination="305 - 334" refId="ref15544" refString="Nott, JT. 1892. On the composite ascidians of the North Shore reef. Trans Proc New Zealand Inst. 24: 305 - 334." type="journal article" year="1892">Nott 1892</bibRefCitation>
)
</taxonomicName>
was mentioned by
<bibRefCitation id="80644B12FFFA3B4EFEF4552124D2FA1D" author="Millar, RH" box="[314,472,1404,1428]" pageId="28" pageNumber="1680" refId="ref15362" refString="Millar, RH. 1982. The marine fauna of New Zealand: Ascidiacea. New Zealand Oceanogr Mem. 85: 114 pp." type="book" year="1982">Millar (1982)</bibRefCitation>
. We have placed the Fiordland colony in the species
<taxonomicName id="23F54D60FFFA3B4EFF5E55C124AAFA3D" authorityName=": Millar" authorityYear="1982" box="[144,416,1436,1460]" class="Ascidiacea" family="Didemnidae" genus="Didemnum" kingdom="Animalia" order="Aplousobranchia" pageId="28" pageNumber="1680" phylum="Chordata" rank="species" species="lithostrotum">
<emphasis id="D681EAF1FFFA3B4EFF5E55C124AAFA3D" box="[144,416,1436,1460]" italics="true" pageId="28" pageNumber="1680">Didemnum lithostrotum</emphasis>
</taxonomicName>
based on the southern distribution of the
<typeStatus id="3B4E8841FFFA3B4EFC6255C6211EFA3A" box="[940,1044,1435,1459]" pageId="28" pageNumber="1680" type="holotype">holotype</typeStatus>
, and different morphology of the tunic (not in polygonal pattern in
<taxonomicName id="23F54D60FFFA3B4EFCA355E126ECFA5D" baseAuthorityName="Nott" baseAuthorityYear="1892" box="[877,998,1468,1492]" class="Ascidiacea" family="Didemnidae" genus="Didemnum" kingdom="Animalia" order="Aplousobranchia" pageId="28" pageNumber="1680" phylum="Chordata" rank="species" species="densum">
<emphasis id="D681EAF1FFFA3B4EFCA355E126ECFA5D" box="[877,998,1468,1492]" italics="true" pageId="28" pageNumber="1680">D. densum</emphasis>
</taxonomicName>
) and the branchial aperture lobes. The zooids in the current species are smaller than given by
<bibRefCitation id="80644B12FFFA3B4EFF7455A6247AF99A" author="Brewin, BI" box="[186,368,1531,1555]" pageId="28" pageNumber="1680" pagination="121 - 137" refId="ref14224" refString="Brewin, BI. 1956 a. Ascidians from the Chatham Islands and the Chatham Rise. Trans Proc Royal Soc New Zealand. 84: 121 - 137." type="journal article" year="1956">Brewin (1956a)</bibRefCitation>
, but this is because they were contracted on collection and preservation.
<taxonomicName id="23F54D60FFFA3B4EFEFF56462700F9BA" baseAuthorityName="Nott" baseAuthorityYear="1892" box="[305,522,1563,1587]" class="Ascidiacea" family="Didemnidae" genus="Didemnum" kingdom="Animalia" order="Aplousobranchia" pageId="28" pageNumber="1680" phylum="Chordata" rank="species" species="densum">
<emphasis id="D681EAF1FFFA3B4EFEFF56462700F9BA" box="[305,522,1563,1587]" italics="true" pageId="28" pageNumber="1680">Didemnum densum</emphasis>
</taxonomicName>
in relaxed colonies has a branchial siphon with needle-like lobes whereas
<taxonomicName id="23F54D60FFFA3B4EFE1E5666278FF9DA" authorityName=": Millar" authorityYear="1982" box="[464,645,1595,1619]" class="Ascidiacea" family="Didemnidae" genus="Didemnum" kingdom="Animalia" order="Aplousobranchia" pageId="28" pageNumber="1680" phylum="Chordata" rank="species" species="lithostrotum">
<emphasis id="D681EAF1FFFA3B4EFE1E5666278FF9DA" box="[464,645,1595,1619]" italics="true" pageId="28" pageNumber="1680">D. lithostrotum</emphasis>
</taxonomicName>
does not. An
<emphasis id="D681EAF1FFFA3B4EFC8656662684F9DA" box="[840,910,1595,1619]" italics="true" pageId="28" pageNumber="1680">in-situ</emphasis>
photograph by
<bibRefCitation id="80644B12FFFA3B4EFF5E56062431F9FA" author="Stocker, LJ" box="[144,315,1627,1651]" pageId="28" pageNumber="1680" refId="ref15903" refString="Stocker, LJ. 1985. An identification guide to some common New Zealand ascidians. University of Auckland Leigh Marine Laboratory, Auckland, New Zealand. 74 p." type="book" year="1985">Stocker (1985)</bibRefCitation>
identified as
<taxonomicName id="23F54D60FFFA3B4EFE2B5606276BF9FA" baseAuthorityName="Nott" baseAuthorityYear="1892" box="[485,609,1627,1651]" class="Ascidiacea" family="Didemnidae" genus="Didemnum" kingdom="Animalia" order="Aplousobranchia" pageId="28" pageNumber="1680" phylum="Chordata" rank="species" species="densum">
<emphasis id="D681EAF1FFFA3B4EFE2B5606276BF9FA" box="[485,609,1627,1651]" italics="true" pageId="28" pageNumber="1680">D. densum</emphasis>
</taxonomicName>
shows polygonal pattern in the tunic; it could be a misidentification because this is an important character.
</paragraph>
</subSubSection>
</treatment>
</document>