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<mods:title id="C06DE918C93C99EA2092ABE33362F41C">Partial revision of Japanese Pectinariidae (Annelida: Polychaeta), including redescriptions of poorly known species</mods:title>
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<treatment id="03C5AC3EFFDE8261E3E855E8FB781B6B" ID-DOI="http://doi.org/10.5281/zenodo.6128141" ID-GBIF-Taxon="119598427" ID-Zenodo-Dep="6128141" LSID="urn:lsid:plazi:treatment:03C5AC3EFFDE8261E3E855E8FB781B6B" httpUri="http://treatment.plazi.org/id/03C5AC3EFFDE8261E3E855E8FB781B6B" lastPageNumber="435" pageId="2" pageNumber="435">
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<taxonomicName id="4C6C66ABFFDE8261E3E855E8FDC11EE5" ID-CoL="D28G" authority="Nilsson, 1928" authorityName="Nilsson" authorityYear="1928" box="[151,598,676,702]" class="Polychaeta" family="Pectinariidae" genus="Amphictene" kingdom="Animalia" order="Terebellida" pageId="2" pageNumber="435" phylum="Annelida" rank="species" species="japonica">
<emphasis id="B918C13AFFDE8261E3E855E8FDC11EE5" bold="true" box="[151,598,676,702]" pageId="2" pageNumber="435">
<emphasis id="B918C13AFFDE8261E3E855E8FE001EE5" bold="true" box="[151,407,676,702]" italics="true" pageId="2" pageNumber="435">Amphictene japonica</emphasis>
(
<bibRefCitation id="EFFD60D9FFDE8261E2D955E8FDD91EE5" author="Nilsson" box="[422,590,676,702]" pageId="2" pageNumber="435" refString="Nilsson, D. (1928) Neue und alte Amphicteniden. Goteborgs Kunge. Vetenskaps- och Vitterhets Samhalles Handlingar, Series 4, 33, 1 - 96." type="journal article" year="1928">Nilsson, 1928</bibRefCitation>
)
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[new Japanese name: Nihon-umi-isagomushi] (
<figureCitation id="135701ADFFDE8261E3E055A6FE951F58" box="[159,258,746,771]" captionStart-0="FIGURE 2" captionStart-1="FIGURE 3" captionStartId-0="3.[151,250,660,682]" captionStartId-1="3.[151,250,1805,1827]" captionTargetBox-0="[168,1407,206,606]" captionTargetBox-1="[167,1425,784,1771]" captionTargetId-0="figure@3.[151,1436,195,638]" captionTargetId-1="figure@3.[151,1436,763,1783]" captionTargetPageId-0="3" captionTargetPageId-1="3" captionText-0="FIGURE 2. Amphictene japonica. Label of Shiro Okudas collection and preserved specimens. (A) Label of the collection “ Pectinaria japonica 1932 Choshi, Chiba pref. by Ose ” A locality name “ Choshi ” in Japanese (in Chinese character). (B) Three individuals in the collection. Scale bar 10 mm." captionText-1="FIGURE 3. Amphictene japonica. Body and chaeta (uncinus) of CBM-ZW 497. (A C) Anterior body, ventral, lateral and dorsal side view. (D) Scaphe and posterior-most part. E. uncinus drawn from scanning electron microscope image. Scale bars 1 mm (A D); 10 µm (E)." httpUri-0="https://zenodo.org/record/231595/files/figure.png" httpUri-1="https://zenodo.org/record/231596/files/figure.png" pageId="2" pageNumber="435">Figs 23</figureCitation>
)
</paragraph>
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<taxonomicName id="4C6C66ABFFDE8261E3E8547FFD3C1F13" ID-CoL="767K9" authority="Nilsson, 1928: 52" authorityName="Nilsson" authorityPageNumber="52" authorityYear="1928" box="[151,683,818,840]" class="Polychaeta" family="Pectinariidae" genus="Pectinaria" kingdom="Animalia" order="Terebellida" pageId="2" pageNumber="435" phylum="Annelida" rank="species" species="japonica" subGenus="Amphictene">
<emphasis id="B918C13AFFDE8261E3E8547FFE951F13" box="[151,258,819,840]" italics="true" pageId="2" pageNumber="435">Pectinaria</emphasis>
(
<emphasis id="B918C13AFFDE8261E26F547EFE671F13" box="[272,496,818,840]" italics="true" pageId="2" pageNumber="435">Amphictene) japonica</emphasis>
<treatmentCitation id="0ACD3B39FFDE8261E28A547EFD3C1F13" author="Nilsson" box="[501,683,818,840]" page="52" pageId="2" pageNumber="435" year="1928">
<bibRefCitation id="EFFD60D9FFDE8261E28A547EFD121F13" author="Nilsson" box="[501,645,818,840]" pageId="2" pageNumber="435" refString="Nilsson, D. (1928) Neue und alte Amphicteniden. Goteborgs Kunge. Vetenskaps- och Vitterhets Samhalles Handlingar, Series 4, 33, 1 - 96." type="journal article" year="1928">Nilsson, 1928</bibRefCitation>
: 52
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.
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<taxonomicName id="4C6C66ABFFDE8261E3E8541DFDAA1F3C" ID-CoL="D28G" authority="Okuda" authorityName="Okuda" authorityYear="1934" box="[151,573,849,871]" class="Polychaeta" family="Pectinariidae" genus="Amphictene" kingdom="Animalia" order="Terebellida" pageId="2" pageNumber="435" phylum="Annelida" rank="species" species="japonica">
<emphasis id="B918C13AFFDE8261E3E8541DFEFA1F3C" box="[151,365,849,871]" italics="true" pageId="2" pageNumber="435">Amphictene japonica</emphasis>
:
<bibRefCitation id="EFFD60D9FFDE8261E204541DFDAA1F3C" author="Okuda" box="[379,573,849,871]" pageId="2" pageNumber="435" refString="Okuda, S. (1934) Two species of the sedentary polychaete Pectinaria. Annotationes Zoologicae Japonenses, 14 (3), 321 - 326." type="journal article" year="1934">Okuda (1934, 321)</bibRefCitation>
</taxonomicName>
;
<bibRefCitation id="EFFD60D9FFDE8261E137541DFC021F3C" author="Imajima" box="[584,917,849,871]" pageId="2" pageNumber="435" refString="Imajima, M. &amp; Hartman, O. (1964) The polychaetous annelids of Japan, Part II. Allan Hancock Foundation Publications Occasional Paper, 26, 239 - 452." type="journal article" year="1964">Imajima &amp; Hartman (1964, 327)</bibRefCitation>
.
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<subSubSection id="C3764EA3FFDE8261E3E854D8FC961FAF" pageId="2" pageNumber="435" type="materials_examined">
<paragraph id="8BD31D28FFDE8261E3E854D8FC961FAF" blockId="2.[151,1437,916,1840]" pageId="2" pageNumber="435">
<emphasis id="B918C13AFFDE8261E3E854D8FE141FF6" bold="true" box="[151,387,916,941]" pageId="2" pageNumber="435">Material examined.</emphasis>
CBM-ZW 497,
<specimenCount id="9D6AD6A1FFDE8261E13C54D8FD501FF6" box="[579,711,916,941]" pageId="2" pageNumber="435" type="generic">1 specimen</specimenCount>
, Incheon, Songdo,
<collectingCountry id="F37B5DB8FFDE8261E0DA54D8FBA01FF7" box="[933,1079,916,941]" name="North Korea" pageId="2" pageNumber="435">North Korea</collectingCountry>
,
<date id="FFD23BE8FFDE8261E73B54D8FB2A1FF7" box="[1092,1213,916,941]" pageId="2" pageNumber="435" value="1926-08">26 August</date>
, 1987.
<collectionCode id="ED7D85EDFFDE8261E66C54D9FAC11FF7" box="[1299,1366,917,940]" httpUri="http://grbio.org/cool/mc14-1jj5" name="Zoological Institute, Hokkaido University" pageId="2" pageNumber="435">ZIHU</collectionCode>
Shiro Okudas Collection, “
<taxonomicName id="4C6C66ABFFDE8261E2F054F4FDE71F94" box="[399,624,952,975]" class="Polychaeta" family="Pectinariidae" genus="Pectinaria" kingdom="Animalia" order="Terebellida" pageId="2" pageNumber="435" phylum="Annelida" rank="species" species="japonica">
<emphasis id="B918C13AFFDE8261E2F054F4FDE71F94" box="[399,624,952,975]" italics="true" pageId="2" pageNumber="435">Pectinaria japonica</emphasis>
</taxonomicName>
”,
<specimenCount id="9D6AD6A1FFDE8261E1F254FBFC8E1F8B" box="[653,793,951,976]" pageId="2" pageNumber="435" type="generic">6 specimens</specimenCount>
(3 complete, 3 separated into two or three parts), 1932, Choshi, Chiba Prefecture (see
<figureCitation id="135701ADFFDE8261E2935490FDBB1FAF" box="[492,556,988,1013]" captionStart="FIGURE 1" captionStartId="1.[151,250,1965,1987]" captionText="FIGURE 1. Map of collection sites and related localities." pageId="2" pageNumber="435">Fig. 1</figureCitation>
), coll. Mr. K. Ose.
</paragraph>
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<subSubSection id="C3764EA3FFDE8261E3B854B3FB781B6B" pageId="2" pageNumber="435" type="description">
<paragraph id="8BD31D28FFDE8261E3B854B3FEB218DF" blockId="2.[151,1437,916,1840]" pageId="2" pageNumber="435">
<emphasis id="B918C13AFFDE8261E3B854B3FECE1843" bold="true" box="[199,345,1023,1048]" pageId="2" pageNumber="435">Description.</emphasis>
Body length 55.0 mm including scaphe, width 5.0 mm at cephalic region. Crown (operculum) with 12 paleae on each side. Paleae stout, flattened golden bristles, tapering to curved pointed tip (
<figureCitation id="135701ADFFDE8261E66D5368FAC11867" box="[1298,1366,1060,1085]" captionStart="FIGURE 3" captionStartId="3.[151,250,1805,1827]" captionTargetBox="[167,1425,784,1771]" captionTargetId="figure@3.[151,1436,763,1783]" captionTargetPageId="3" captionText="FIGURE 3. Amphictene japonica. Body and chaeta (uncinus) of CBM-ZW 497. (A C) Anterior body, ventral, lateral and dorsal side view. (D) Scaphe and posterior-most part. E. uncinus drawn from scanning electron microscope image. Scale bars 1 mm (A D); 10 µm (E)." httpUri="https://zenodo.org/record/231596/files/figure.png" pageId="2" pageNumber="435">Fig. 3</figureCitation>
AC). Cephalic membrane (cephalic veil) damaged and poorly preserved. Raised cephalic rim with 26 marginal papillae (
<figureCitation id="135701ADFFDE8261E3E05320FF7518DF" box="[159,226,1132,1157]" captionStart="FIGURE 3" captionStartId="3.[151,250,1805,1827]" captionTargetBox="[167,1425,784,1771]" captionTargetId="figure@3.[151,1436,763,1783]" captionTargetPageId="3" captionText="FIGURE 3. Amphictene japonica. Body and chaeta (uncinus) of CBM-ZW 497. (A C) Anterior body, ventral, lateral and dorsal side view. (D) Scaphe and posterior-most part. E. uncinus drawn from scanning electron microscope image. Scale bars 1 mm (A D); 10 µm (E)." httpUri="https://zenodo.org/record/231596/files/figure.png" pageId="2" pageNumber="435">Fig. 3</figureCitation>
B, C).
</paragraph>
<paragraph id="8BD31D28FFDE8261E3B853C3FABA1963" blockId="2.[151,1437,916,1840]" pageId="2" pageNumber="435">
First pair of tentacular cirri arise from posterolateral margin of segment I. Second pair of tentacular cirri present on segment II, arise from a connecting ridge (
<figureCitation id="135701ADFFDE8261E06853F8FCC91897" box="[791,862,1204,1229]" captionStart="FIGURE 3" captionStartId="3.[151,250,1805,1827]" captionTargetBox="[167,1425,784,1771]" captionTargetId="figure@3.[151,1436,763,1783]" captionTargetPageId="3" captionText="FIGURE 3. Amphictene japonica. Body and chaeta (uncinus) of CBM-ZW 497. (A C) Anterior body, ventral, lateral and dorsal side view. (D) Scaphe and posterior-most part. E. uncinus drawn from scanning electron microscope image. Scale bars 1 mm (A D); 10 µm (E)." httpUri="https://zenodo.org/record/231596/files/figure.png" pageId="2" pageNumber="435">Fig. 3</figureCitation>
B). Segment II with small posterodorsal ear-lobe (lappet) on base of tentacular cirri (
<figureCitation id="135701ADFFDE8261E13E539BFD1E18AB" box="[577,649,1239,1264]" captionStart="FIGURE 3" captionStartId="3.[151,250,1805,1827]" captionTargetBox="[167,1425,784,1771]" captionTargetId="figure@3.[151,1436,763,1783]" captionTargetPageId="3" captionText="FIGURE 3. Amphictene japonica. Body and chaeta (uncinus) of CBM-ZW 497. (A C) Anterior body, ventral, lateral and dorsal side view. (D) Scaphe and posterior-most part. E. uncinus drawn from scanning electron microscope image. Scale bars 1 mm (A D); 10 µm (E)." httpUri="https://zenodo.org/record/231596/files/figure.png" pageId="2" pageNumber="435">Fig. 3</figureCitation>
B). Venter of segments IIIIV slightly glandular and smooth. First chaetiger (segment V) with an anteroventral lobe and a small ear-lobe situated on ventral side of chaetal tuft (
<figureCitation id="135701ADFFDE8261E61053B0FF331963" captionStart="FIGURE 3" captionStartId="3.[151,250,1805,1827]" captionTargetBox="[167,1425,784,1771]" captionTargetId="figure@3.[151,1436,763,1783]" captionTargetPageId="3" captionText="FIGURE 3. Amphictene japonica. Body and chaeta (uncinus) of CBM-ZW 497. (A C) Anterior body, ventral, lateral and dorsal side view. (D) Scaphe and posterior-most part. E. uncinus drawn from scanning electron microscope image. Scale bars 1 mm (A D); 10 µm (E)." httpUri="https://zenodo.org/record/231596/files/figure.png" pageId="2" pageNumber="435">Fig. 3</figureCitation>
A, B). Second chaetiger (segment VI) with anteroventral lobe, anterior margin nearly smooth (
<figureCitation id="135701ADFFDE8261E7B75253FA9D1963" box="[1224,1290,1311,1336]" captionStart="FIGURE 3" captionStartId="3.[151,250,1805,1827]" captionTargetBox="[167,1425,784,1771]" captionTargetId="figure@3.[151,1436,763,1783]" captionTargetPageId="3" captionText="FIGURE 3. Amphictene japonica. Body and chaeta (uncinus) of CBM-ZW 497. (A C) Anterior body, ventral, lateral and dorsal side view. (D) Scaphe and posterior-most part. E. uncinus drawn from scanning electron microscope image. Scale bars 1 mm (A D); 10 µm (E)." httpUri="https://zenodo.org/record/231596/files/figure.png" pageId="2" pageNumber="435">Fig. 3</figureCitation>
B).
</paragraph>
<paragraph id="8BD31D28FFDE8261E3B85208FDAF1A26" blockId="2.[151,1437,916,1840]" pageId="2" pageNumber="435">
Comb-like branchiae present on segments IIIIV, each consisting of a series of loose, flat lamellae (
<figureCitation id="135701ADFFDE8261E6425208FA171907" box="[1341,1408,1348,1373]" captionStart="FIGURE 3" captionStartId="3.[151,250,1805,1827]" captionTargetBox="[167,1425,784,1771]" captionTargetId="figure@3.[151,1436,763,1783]" captionTargetPageId="3" captionText="FIGURE 3. Amphictene japonica. Body and chaeta (uncinus) of CBM-ZW 497. (A C) Anterior body, ventral, lateral and dorsal side view. (D) Scaphe and posterior-most part. E. uncinus drawn from scanning electron microscope image. Scale bars 1 mm (A D); 10 µm (E)." httpUri="https://zenodo.org/record/231596/files/figure.png" pageId="2" pageNumber="435">Fig. 3</figureCitation>
A, B). Large subquadrate glandular flaps (lobes) present ventrally at base of second pair of branchiae on segment IV (
<figureCitation id="135701ADFFDE8261E3E052C0FF7619FF" box="[159,225,1420,1445]" captionStart="FIGURE 3" captionStartId="3.[151,250,1805,1827]" captionTargetBox="[167,1425,784,1771]" captionTargetId="figure@3.[151,1436,763,1783]" captionTargetPageId="3" captionText="FIGURE 3. Amphictene japonica. Body and chaeta (uncinus) of CBM-ZW 497. (A C) Anterior body, ventral, lateral and dorsal side view. (D) Scaphe and posterior-most part. E. uncinus drawn from scanning electron microscope image. Scale bars 1 mm (A D); 10 µm (E)." httpUri="https://zenodo.org/record/231596/files/figure.png" pageId="2" pageNumber="435">Fig. 3</figureCitation>
A, B). Glandular median plate (ventral shield) on segments IIIIV (
<figureCitation id="135701ADFFDE8261E0A452C0FB8919FF" box="[987,1054,1420,1445]" captionStart="FIGURE 3" captionStartId="3.[151,250,1805,1827]" captionTargetBox="[167,1425,784,1771]" captionTargetId="figure@3.[151,1436,763,1783]" captionTargetPageId="3" captionText="FIGURE 3. Amphictene japonica. Body and chaeta (uncinus) of CBM-ZW 497. (A C) Anterior body, ventral, lateral and dorsal side view. (D) Scaphe and posterior-most part. E. uncinus drawn from scanning electron microscope image. Scale bars 1 mm (A D); 10 µm (E)." httpUri="https://zenodo.org/record/231596/files/figure.png" pageId="2" pageNumber="435">Fig. 3</figureCitation>
A). Dorsal chaetigers 16 pairs (on segments VXX), each bearing two kinds of bristles; one bordered with serrations along anterior portion, recurved dorsally, the other chaetae stout, straight, tapering to very acute tip. Uncinigerous tori 13 pairs (on segments VIIIXX); uncini with 8 major teeth in lateral view, 67 minute teeth (
<figureCitation id="135701ADFFDE8261E0D052BBFC661A4B" box="[943,1009,1527,1552]" captionStart="FIGURE 3" captionStartId="3.[151,250,1805,1827]" captionTargetBox="[167,1425,784,1771]" captionTargetId="figure@3.[151,1436,763,1783]" captionTargetPageId="3" captionText="FIGURE 3. Amphictene japonica. Body and chaeta (uncinus) of CBM-ZW 497. (A C) Anterior body, ventral, lateral and dorsal side view. (D) Scaphe and posterior-most part. E. uncinus drawn from scanning electron microscope image. Scale bars 1 mm (A D); 10 µm (E)." httpUri="https://zenodo.org/record/231596/files/figure.png" pageId="2" pageNumber="435">Fig. 3</figureCitation>
E). Scaphe ovoidal, flattened dorsally, broadly divided into 23 lobes on each lateral margin by shallow notches, each lobe with small cirriform papillae (
<figureCitation id="135701ADFFDE8261E3E05173FF741A03" box="[159,227,1599,1624]" captionStart="FIGURE 3" captionStartId="3.[151,250,1805,1827]" captionTargetBox="[167,1425,784,1771]" captionTargetId="figure@3.[151,1436,763,1783]" captionTargetPageId="3" captionText="FIGURE 3. Amphictene japonica. Body and chaeta (uncinus) of CBM-ZW 497. (A C) Anterior body, ventral, lateral and dorsal side view. (D) Scaphe and posterior-most part. E. uncinus drawn from scanning electron microscope image. Scale bars 1 mm (A D); 10 µm (E)." httpUri="https://zenodo.org/record/231596/files/figure.png" pageId="2" pageNumber="435">Fig. 3</figureCitation>
D). Free end of scaphe with spatulate valve. Scaphal hooks 2122 pairs, straight and slightly bending near tip. Tube not retained with specimen.
</paragraph>
<paragraph id="8BD31D28FFDE8261E3B851CBFBED1AB3" blockId="2.[151,1437,916,1840]" pageId="2" pageNumber="435">
<emphasis id="B918C13AFFDE8261E3B851CBFE541AFB" bold="true" box="[199,451,1671,1696]" pageId="2" pageNumber="435">Taxonomic remarks.</emphasis>
<taxonomicName id="4C6C66ABFFDE8261E2AF51C4FD531AC4" box="[464,708,1672,1696]" class="Polychaeta" family="Pectinariidae" genus="Amphictene" kingdom="Animalia" order="Terebellida" pageId="2" pageNumber="435" phylum="Annelida" rank="species" species="japonica">
<emphasis id="B918C13AFFDE8261E2AF51C4FD531AC4" box="[464,708,1672,1696]" italics="true" pageId="2" pageNumber="435">Amphictene japonica</emphasis>
</taxonomicName>
specimens of Shiro Okudas collection have been dried and subsequently placed in ethanol and are thus poorly preserved and in a poor condition (
<figureCitation id="135701ADFFDE8261E71151E0FB231A9F" box="[1134,1204,1708,1733]" captionStart="FIGURE 2" captionStartId="3.[151,250,660,682]" captionTargetBox="[168,1407,206,606]" captionTargetId="figure@3.[151,1436,195,638]" captionTargetPageId="3" captionText="FIGURE 2. Amphictene japonica. Label of Shiro Okudas collection and preserved specimens. (A) Label of the collection “ Pectinaria japonica 1932 Choshi, Chiba pref. by Ose ” A locality name “ Choshi ” in Japanese (in Chinese character). (B) Three individuals in the collection. Scale bar 10 mm." httpUri="https://zenodo.org/record/231595/files/figure.png" pageId="2" pageNumber="435">Fig. 2</figureCitation>
B). According to the label (
<figureCitation id="135701ADFFDE8261E3A25183FEB71AB3" box="[221,288,1743,1768]" captionStart="FIGURE 2" captionStartId="3.[151,250,660,682]" captionTargetBox="[168,1407,206,606]" captionTargetId="figure@3.[151,1436,195,638]" captionTargetPageId="3" captionText="FIGURE 2. Amphictene japonica. Label of Shiro Okudas collection and preserved specimens. (A) Label of the collection “ Pectinaria japonica 1932 Choshi, Chiba pref. by Ose ” A locality name “ Choshi ” in Japanese (in Chinese character). (B) Three individuals in the collection. Scale bar 10 mm." httpUri="https://zenodo.org/record/231595/files/figure.png" pageId="2" pageNumber="435">Fig. 2</figureCitation>
A), Okudas description is based on those six specimens (1934: p. 323324).
</paragraph>
<paragraph id="8BD31D28FFDE8261E3B851B8FB781B6B" blockId="2.[151,1437,916,1840]" pageId="2" pageNumber="435">
<taxonomicName id="4C6C66ABFFDE8261E3B851B8FE221B57" box="[199,437,1780,1804]" class="Polychaeta" family="Pectinariidae" genus="Amphictene" kingdom="Animalia" order="Terebellida" pageId="2" pageNumber="435" phylum="Annelida" rank="species" species="japonica">
<emphasis id="B918C13AFFDE8261E3B851B8FE221B57" box="[199,437,1780,1804]" italics="true" pageId="2" pageNumber="435">Amphictene japonica</emphasis>
</taxonomicName>
can be distinguished from other Japanese pectinariid species by the cephalic rim having marginal papillae and by presence of a large number of scaphal hooks (usually more than 20 pairs).
</paragraph>
</subSubSection>
</treatment>
</document>