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<mods:title id="886C528EF85A4F3BA345A7F595C1C375">Eusyllinae and “ Incertae sedis ” syllids (Annelida: Syllidae) from South America, with a new species from Brazil and a new combination for a Peruvian species</mods:title>
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<emphasis id="1FBAEA93FFEFFFDBFF68F909D417A264" bold="true" box="[151,358,1780,1806]" italics="true" pageId="9" pageNumber="516">Eusyllis assimilis</emphasis>
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<figureCitation id="B5F52A04FFEFFFDBFF68F8EBD46DA245" box="[151,284,1814,1839]" captionStart-0="FIGURE 6" captionStart-1="FIGURE 7" captionStartId-0="11.[151,250,1905,1927]" captionStartId-1="12.[151,250,1877,1899]" captionTargetBox-0="[157,1430,272,1872]" captionTargetBox-1="[210,1367,197,1840]" captionTargetId-0="figure@11.[152,1435,267,1883]" captionTargetId-1="figure@12.[206,1373,193,1844]" captionTargetPageId-0="11" captionTargetPageId-1="12" captionText-0="FIGURE 6. Eusyllis assimilis. (A) anterior body, dorsal view; (B) falcigers, anterior and midbody; (C) falcigers, posterior body; (D) dorsal simple chaeta; (E) ventral simple chaeta; (F) aciculae, anterior body; (G) acicula, posterior body. Scale bars: A = 200 µm; B – G = 10 µm." captionText-1="FIGURE 7. Eusyllis assimilis, SEM. (A) anterior body, dorsal view; (B) anterior body, ventral view; (C) detail of prostomium and peristomium, dorsal view; (D) pharynx opening, showing tooth and trepan; (E) dorsalmost falciger, anterior to midbody; (F) intermediate falciger, anterior to midbody; (G) ventralmost falciger, anterior to midbody; (H) dorsalmost falciger, mid- to posterior body; (I) intermediate falcigers, midbody; (J) ventralmost falciger, mid- to posterior body. Scale bars: A – B = 100 µm; C – D = 50 µm; E – I = 5 µm; J = 10 µm." httpUri-0="https://zenodo.org/record/233498/files/figure.png" httpUri-1="https://zenodo.org/record/233499/files/figure.png" pageId="9" pageNumber="516">Figures 6–7</figureCitation>
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–160, pl. 3, fig. 2; 
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–83, figs 10, 12A–C; 2003: 114–117, figs 52–53; 
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–276, figs 10–12A–C.
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Project ' 
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Project ' 
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9 
<bibRefCitation id="495F4B70FFECFFD8FADCFED5D0E6A42A" author="Mar" box="[1315,1431,296,320]" pageId="10" pageNumber="517" refString="San Martin, G., Lopez, E. &amp; Aguado, M. T. (2009) Revision of the genus Pionosyllis (Polychaeta: Syllidae: Eusyllinae), with a cladistic analysis, and the description of five new genera and two new species. Journal of the Marine Biological Association of the United Kingdom, 89, 1455 - 1498. http: // dx. doi. org / 10.1017 / S 0025315409003099" type="journal article" year="2009">Mar 2009</bibRefCitation>
</date>
; 
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<geoCoordinate id="48FA5046FFECFFD8FEF0FEB1D4FBA40F" box="[271,394,332,357]" direction="west" orientation="longitude" pageId="10" pageNumber="517" precision="15" value="-40.116386">40°6'59&quot;W</geoCoordinate>
, 
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: 1 spec. (
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1389), 
<date id="59701041FFECFFD8FD11FEB1D614A40E" box="[750,869,332,357]" pageId="10" pageNumber="517" value="2009-07-06">6 Jul 2009</date>
; 
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<geoCoordinate id="48FA5046FFECFFD8FC16FEB1D115A40F" box="[1001,1124,332,357]" direction="west" orientation="longitude" pageId="10" pageNumber="517" precision="15" value="-40.16639">40°9'59&quot;W</geoCoordinate>
, 
<quantity id="EA369B64FFECFFD8FB8FFEB1D1DCA40E" box="[1136,1197,332,357]" metricMagnitude="1" metricUnit="m" metricValue="7.5" pageId="10" pageNumber="517" unit="m" value="75.0">75 m</quantity>
: 1 spec. (ZUEC-POL 10555), 
<date id="59701041FFECFFD8FF0AFE92D4F6A4E2" box="[245,391,367,392]" pageId="10" pageNumber="517" value="2009-02-25">25 Feb 2009</date>
; 
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<geoCoordinate id="48FA5046FFECFFD8FDF2FE92D7F8A4E2" box="[525,649,367,392]" direction="west" orientation="longitude" pageId="10" pageNumber="517" precision="15" value="-40.116386">40°6'59&quot;W</geoCoordinate>
, 
<quantity id="EA369B64FFECFFD8FD6AFE8DD7A5A4ED" box="[661,724,368,392]" metricMagnitude="1" metricUnit="m" metricValue="9.1" pageId="10" pageNumber="517" unit="m" value="91.0">91 m</quantity>
: 1 spec. (
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1388), 
<date id="59701041FFECFFD8FC09FE92D1F6A4E2" box="[1014,1159,367,392]" pageId="10" pageNumber="517" value="2009-02-25">25 Feb 2009</date>
; 
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<geoCoordinate id="48FA5046FFECFFD8FAF1FE8DD0E9A4E2" box="[1294,1432,368,392]" direction="west" orientation="longitude" pageId="10" pageNumber="517" precision="15" value="-40.525555">40°31'32&quot;W</geoCoordinate>
, 
<quantity id="EA369B64FFECFFD8FF68FE69D592A4C6" box="[151,227,404,428]" metricMagnitude="2" metricUnit="m" metricValue="1.39" pageId="10" pageNumber="517" unit="m" value="139.0">139 m</quantity>
: 1 spec. (
<collectionCode id="4BDFAE44FFECFFD8FEB1FE69D4DCA4C6" box="[334,429,404,428]" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="10" pageNumber="517">MZUSP</collectionCode>
1387), 
<date id="59701041FFECFFD8FDF9FE69D7E9A4C6" box="[518,664,404,429]" pageId="10" pageNumber="517" value="2009-02-23">23 Feb 2009</date>
; 
<geoCoordinate id="48FA5046FFECFFD8FD5AFE69D652A4C7" box="[677,803,404,429]" direction="south" orientation="latitude" pageId="10" pageNumber="517" precision="15" value="-22.781666">22°46'54&quot;S</geoCoordinate>
<geoCoordinate id="48FA5046FFECFFD8FCD3FE69D6D9A4C6" box="[812,936,404,428]" direction="west" orientation="longitude" pageId="10" pageNumber="517" precision="15" value="-41.058887">41°3'32&quot;W</geoCoordinate>
, 
<quantity id="EA369B64FFECFFD8FC4AFE68D682A4C6" box="[949,1011,405,428]" metricMagnitude="1" metricUnit="m" metricValue="7.7" pageId="10" pageNumber="517" unit="m" value="77.0">77 m</quantity>
: 1 spec. (ZUEC-POL 10552), 
<date id="59701041FFECFFD8FAB1FE69D5A3A4BA" pageId="10" pageNumber="517" value="2009-02-22">22 Feb 2009</date>
, and 2 specs (
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1386), 
<date id="59701041FFECFFD8FDD9FE45D7EFA4BA" box="[550,670,439,464]" pageId="10" pageNumber="517" value="2009-07-02">2 Jul 2009</date>
; 
<geoCoordinate id="48FA5046FFECFFD8FD54FE4AD66DA4BA" box="[683,796,439,464]" direction="south" orientation="latitude" pageId="10" pageNumber="517" precision="15" value="-22.866945">22°52'1&quot;S</geoCoordinate>
<geoCoordinate id="48FA5046FFECFFD8FCDBFE4AD6DCA4BA" box="[804,941,439,464]" direction="west" orientation="longitude" pageId="10" pageNumber="517" precision="15" value="-40.95778">40°57'28&quot;W</geoCoordinate>
, 
<quantity id="EA369B64FFECFFD8FC45FE45D686A4A5" box="[954,1015,440,464]" metricMagnitude="1" metricUnit="m" metricValue="9.2" pageId="10" pageNumber="517" unit="m" value="92.0">92 m</quantity>
: 1 spec. (ZUEC-POL 10464), 
<date id="59701041FFECFFD8FAB0FE45D5A2A49E" pageId="10" pageNumber="517" value="2009-02-22">22 Feb 2009</date>
; 
<geoCoordinate id="48FA5046FFECFFD8FF21FE21D42CA49F" box="[222,349,476,501]" direction="south" orientation="latitude" pageId="10" pageNumber="517" precision="15" value="-22.957779">22°57'28&quot;S</geoCoordinate>
<geoCoordinate id="48FA5046FFECFFD8FE9BFE21D49FA49F" box="[356,494,476,501]" direction="west" orientation="longitude" pageId="10" pageNumber="517" precision="15" value="-40.841667">40°50'30&quot;W</geoCoordinate>
, 
<quantity id="EA369B64FFECFFD8FE06FE21D734A49E" box="[505,581,476,500]" metricMagnitude="2" metricUnit="m" metricValue="1.42" pageId="10" pageNumber="517" unit="m" value="142.0">142 m</quantity>
: 1 spec., 
<date id="59701041FFECFFD8FD54FE21D64BA49E" box="[683,826,476,501]" pageId="10" pageNumber="517" value="2009-02-21">21 Feb 2009</date>
; 
<geoCoordinate id="48FA5046FFECFFD8FCB9FE21D6C6A49E" box="[838,951,476,500]" direction="south" orientation="latitude" pageId="10" pageNumber="517" precision="15" value="-23.167778">23°10'4&quot;S</geoCoordinate>
<geoCoordinate id="48FA5046FFECFFD8FC41FE21D15DA49F" box="[958,1068,476,501]" direction="west" orientation="longitude" pageId="10" pageNumber="517" precision="15" value="-41.051666">41°3'6&quot;W</geoCoordinate>
, 
<quantity id="EA369B64FFECFFD8FBC7FE21D1F2A49E" box="[1080,1155,476,501]" metricMagnitude="2" metricUnit="m" metricValue="1.05" pageId="10" pageNumber="517" unit="m" value="105.0">105 m</quantity>
: 2 specs (
<collectionCode id="4BDFAE44FFECFFD8FB12FE21D03DA49E" box="[1261,1356,476,500]" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="10" pageNumber="517">MZUSP</collectionCode>
1385), 
<date id="59701041FFECFFD8FF68FDFDD456A772" box="[151,295,511,536]" pageId="10" pageNumber="517" value="2009-02-21">21 Feb 2009</date>
.
</paragraph>
<paragraph id="2D713681FFECFFD8FF38FDD9D46DA67E" blockId="10.[151,1437,151,2013]" pageId="10" pageNumber="517">
<emphasis id="1FBAEA93FFECFFD8FF38FDD9D747A757" bold="true" box="[199,566,548,573]" pageId="10" pageNumber="517">Additional material examined.</emphasis>
<taxonomicName id="EACE4D02FFECFFD8FDC1FDD9D670A757" box="[574,769,548,573]" class="Polychaeta" family="Syllidae" genus="Eusyllis" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="517" phylum="Annelida" rank="species" species="assimilis">
<emphasis id="1FBAEA93FFECFFD8FDC1FDD9D670A757" box="[574,769,548,573]" italics="true" pageId="10" pageNumber="517">Eusyllis assimilis</emphasis>
</taxonomicName>
— 
<collectingCountry id="55D97611FFECFFD8FCE0FDD9D611A757" box="[799,864,548,573]" name="Spain" pageId="10" pageNumber="517">Spain</collectingCountry>
, Castellón, Columbretes Islands, N of Columbrete Grande, 
<quantity id="EA369B64FFECFFD8FF05FDBAD44BA735" box="[250,314,583,608]" metricMagnitude="1" metricUnit="m" metricValue="4.5" pageId="10" pageNumber="517" unit="m" value="45.0">45 m</quantity>
: 8 specs (
<collectionCode id="4BDFAE44FFECFFD8FE51FDB5D775A70A" LSID="urn:lsid:biocol.org:col:35275" box="[430,516,584,608]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35275" name="Museo Nacional de Ciencias Naturales" pageId="10" pageNumber="517">MNCN</collectionCode>
16.01/8640), coll. Campanha Fauna III, 
<date id="59701041FFECFFD8FC20FDB5D11AA70A" box="[991,1131,583,608]" pageId="10" pageNumber="517" value="1994-07-12">12 Jul 1994</date>
, det. G. San Martín; W of Columbrete Grande, 
<quantity id="EA369B64FFECFFD8FE7BFD91D770A7EE" box="[388,513,620,645]" metricMagnitude="1" metricUnit="m" metricValue="6.64" metricValueMax="6.779999999999999" metricValueMin="6.5" pageId="10" pageNumber="517" unit="m" value="66.4" valueMax="67.8" valueMin="65.0">65–67.8 m</quantity>
: 1 spec. (
<collectionCode id="4BDFAE44FFECFFD8FD94FD91D7B0A7EE" LSID="urn:lsid:biocol.org:col:35275" box="[619,705,620,644]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35275" name="Museo Nacional de Ciencias Naturales" pageId="10" pageNumber="517">MNCN</collectionCode>
16.01/8645), coll. Campanha Fauna IV, 
<date id="59701041FFECFFD8FB71FD91D064A7EF" box="[1166,1301,620,645]" pageId="10" pageNumber="517" value="1996-07-18">18 Jul 1996</date>
, det. G. San Martín. 
<collectingCountry id="55D97611FFECFFD8FF0AFD72D42EA7C2" box="[245,351,655,680]" name="Australia" pageId="10" pageNumber="517">Australia</collectingCountry>
, Western 
<collectingCountry id="55D97611FFECFFD8FE2BFD72D74FA7C2" box="[468,574,655,680]" name="Australia" pageId="10" pageNumber="517">Australia</collectingCountry>
, Kalbarri, Red Bluff, rocky shore (
<geoCoordinate id="48FA5046FFECFFD8FC22FD6DD147A7C2" box="[989,1078,656,680]" direction="south" orientation="latitude" pageId="10" pageNumber="517" precision="925" value="-27.7">27°42'S</geoCoordinate>
<geoCoordinate id="48FA5046FFECFFD8FBBEFD6DD1DAA7C2" box="[1089,1195,656,680]" direction="east" orientation="longitude" pageId="10" pageNumber="517" precision="925" value="114.15">114°09'E</geoCoordinate>
), 
<quantity id="EA369B64FFECFFD8FB3CFD6DD187A7CD" box="[1219,1270,656,680]" metricMagnitude="0" metricUnit="m" metricValue="3.0" pageId="10" pageNumber="517" unit="m" value="3.0">3 m</quantity>
: 5 specs (AM W28941), coll. J.K. Lowry, 
<date id="59701041FFECFFD8FE12FD49D7F4A7A6" box="[493,645,692,716]" pageId="10" pageNumber="517" value="1984-01-10">10 Jan 1984</date>
, det. G. San Martín. Tasmanian Sea, Taupo Seamont (
<geoCoordinate id="48FA5046FFECFFD8FAE3FD49D0EDA7A7" box="[1308,1436,692,717]" direction="south" orientation="latitude" pageId="10" pageNumber="517" precision="15" value="-33.280834">33°16'51&quot;S</geoCoordinate>
<geoCoordinate id="48FA5046FFECFFD8FF68FD2AD458A79A" box="[151,297,727,752]" direction="east" orientation="longitude" pageId="10" pageNumber="517" precision="15" value="156.1525">156°09'09&quot;E</geoCoordinate>
), 
<quantity id="EA369B64FFECFFD8FEC0FD25D4FDA785" box="[319,396,728,752]" metricMagnitude="2" metricUnit="m" metricValue="2.44" pageId="10" pageNumber="517" unit="m" value="244.0">244 m</quantity>
: 17 specs (AM W28925), coll. J.K. Lowry and party, R/V 'Franklin', 0 
<date id="59701041FFECFFD8FB48FD25D034A79A" box="[1207,1349,728,752]" pageId="10" pageNumber="517" value="1989-05-02">2 May 1989</date>
, det. G. San Martín.
</paragraph>
</subSubSection>
<subSubSection id="65D4650AFFECFFD8FF38FCE2D019A38A" pageId="10" pageNumber="517" type="description">
<paragraph id="2D713681FFECFFD8FF38FCE2D019A38A" blockId="10.[151,1437,151,2013]" pageId="10" pageNumber="517">
<emphasis id="1FBAEA93FFECFFD8FF38FCE2D428A652" bold="true" box="[199,345,799,824]" pageId="10" pageNumber="517">Description.</emphasis>
Relatively small-sized body, largest specimens examined 
<quantity id="EA369B64FFECFFD8FC15FCE2D13FA65D" box="[1002,1102,799,824]" metricMagnitude="-3" metricUnit="m" metricValue="3.15" pageId="10" pageNumber="517" unit="mm" value="3.15">3.15 mm</quantity>
long, 
<quantity id="EA369B64FFECFFD8FB69FCE2D18BA65D" box="[1174,1274,799,824]" metricMagnitude="-4" metricUnit="m" metricValue="5.6" pageId="10" pageNumber="517" unit="mm" value="0.56">0.56 mm</quantity>
wide, with 35 segments. Palps ovate, divergent, basally fused. Prostomium ovate with 2 pairs of eyes in trapezoidal arrangement and 1 pair of anterior eyespots (
<figureCitation id="B5F52A04FFECFFD8FDEEFC9AD728A6EA" box="[529,601,871,896]" captionStart="FIGURE 6" captionStartId="11.[151,250,1905,1927]" captionTargetBox="[157,1430,272,1872]" captionTargetId="figure@11.[152,1435,267,1883]" captionTargetPageId="11" captionText="FIGURE 6. Eusyllis assimilis. (A) anterior body, dorsal view; (B) falcigers, anterior and midbody; (C) falcigers, posterior body; (D) dorsal simple chaeta; (E) ventral simple chaeta; (F) aciculae, anterior body; (G) acicula, posterior body. Scale bars: A = 200 µm; B – G = 10 µm." httpUri="https://zenodo.org/record/233498/files/figure.png" pageId="10" pageNumber="517">Fig. 6</figureCitation>
A); lateral antennae inserted on anterior margin of prostomium; median antenna inserted more posteriorly, on middle of prostomium, about twice as long as lateral antennae; nuchal organs as one pair of broad semi-circular rows of cilia close to posterior border of prostomium (
<figureCitation id="B5F52A04FFECFFD8FB82FC52D1B1A6A2" box="[1149,1216,943,968]" captionStart="FIGURE 7" captionStartId="12.[151,250,1877,1899]" captionTargetBox="[210,1367,197,1840]" captionTargetId="figure@12.[206,1373,193,1844]" captionTargetPageId="12" captionText="FIGURE 7. Eusyllis assimilis, SEM. (A) anterior body, dorsal view; (B) anterior body, ventral view; (C) detail of prostomium and peristomium, dorsal view; (D) pharynx opening, showing tooth and trepan; (E) dorsalmost falciger, anterior to midbody; (F) intermediate falciger, anterior to midbody; (G) ventralmost falciger, anterior to midbody; (H) dorsalmost falciger, mid- to posterior body; (I) intermediate falcigers, midbody; (J) ventralmost falciger, mid- to posterior body. Scale bars: A – B = 100 µm; C – D = 50 µm; E – I = 5 µm; J = 10 µm." httpUri="https://zenodo.org/record/233499/files/figure.png" pageId="10" pageNumber="517">Fig. 7</figureCitation>
A, C). Peristomium shorter than subsequent segments; dorsal peristomial cirri about same length as median antenna, ventral peristomial cirri approximately same size as lateral antennae. Dorsal cirri of chaetiger 1 longer than remaining dorsal cirri, up to twice as long as dorsal peristomial cirri; remaining dorsal cirri alternating long cirri, as long as dorsal peristomial cirri, and short cirri, as long as ventral peristomial cirri, dorsal cirri progressivelly shorter towards posterior body. Antennae, peristomial, some anterior body dorsal cirri and anal cirri irregularly articulated distally (
<figureCitation id="B5F52A04FFECFFD8FB01FB99D036A117" box="[1278,1351,1124,1149]" captionStart="FIGURE 6" captionStartId="11.[151,250,1905,1927]" captionTargetBox="[157,1430,272,1872]" captionTargetId="figure@11.[152,1435,267,1883]" captionTargetPageId="11" captionText="FIGURE 6. Eusyllis assimilis. (A) anterior body, dorsal view; (B) falcigers, anterior and midbody; (C) falcigers, posterior body; (D) dorsal simple chaeta; (E) ventral simple chaeta; (F) aciculae, anterior body; (G) acicula, posterior body. Scale bars: A = 200 µm; B – G = 10 µm." httpUri="https://zenodo.org/record/233498/files/figure.png" pageId="10" pageNumber="517">Figs 6</figureCitation>
A; 7A). Ventral cirri shorter than parapodial lobes, ovate on anterior body (
<figureCitation id="B5F52A04FFECFFD8FC46FB7AD173A1CA" box="[953,1026,1159,1184]" captionStart="FIGURE 7" captionStartId="12.[151,250,1877,1899]" captionTargetBox="[210,1367,197,1840]" captionTargetId="figure@12.[206,1373,193,1844]" captionTargetPageId="12" captionText="FIGURE 7. Eusyllis assimilis, SEM. (A) anterior body, dorsal view; (B) anterior body, ventral view; (C) detail of prostomium and peristomium, dorsal view; (D) pharynx opening, showing tooth and trepan; (E) dorsalmost falciger, anterior to midbody; (F) intermediate falciger, anterior to midbody; (G) ventralmost falciger, anterior to midbody; (H) dorsalmost falciger, mid- to posterior body; (I) intermediate falcigers, midbody; (J) ventralmost falciger, mid- to posterior body. Scale bars: A – B = 100 µm; C – D = 50 µm; E – I = 5 µm; J = 10 µm." httpUri="https://zenodo.org/record/233499/files/figure.png" pageId="10" pageNumber="517">Fig. 7</figureCitation>
B), progressively pyriform towards posterior body. Parapodial lobes conical. Anterior parapodia with up to 30 falcigers each, midbody with 9–15, posterior parapodia with ~5 falcigers each; shafts of falcigers subdistally spinulated, with straight tips (
<figureCitation id="B5F52A04FFECFFD8FAE5FB32D010A182" box="[1306,1377,1231,1256]" captionStart="FIGURE 6" captionStartId="11.[151,250,1905,1927]" captionTargetBox="[157,1430,272,1872]" captionTargetId="figure@11.[152,1435,267,1883]" captionTargetPageId="11" captionText="FIGURE 6. Eusyllis assimilis. (A) anterior body, dorsal view; (B) falcigers, anterior and midbody; (C) falcigers, posterior body; (D) dorsal simple chaeta; (E) ventral simple chaeta; (F) aciculae, anterior body; (G) acicula, posterior body. Scale bars: A = 200 µm; B – G = 10 µm." httpUri="https://zenodo.org/record/233498/files/figure.png" pageId="10" pageNumber="517">Figs 6</figureCitation>
B–C; 7E–J); parapodia with 1–4 dorsalmost falcigers with thinner shafts, blades longer and thinner than remaining falcigers; blades of these longer falcigers bidentate, teeth of even size throughout, and up to ~42 Μm long on anterior body, ~25 Μm long on mid- and posterior body (
<figureCitation id="B5F52A04FFECFFD8FCF6FAC1D621A03F" box="[777,848,1340,1365]" captionStart="FIGURE 6" captionStartId="11.[151,250,1905,1927]" captionTargetBox="[157,1430,272,1872]" captionTargetId="figure@11.[152,1435,267,1883]" captionTargetPageId="11" captionText="FIGURE 6. Eusyllis assimilis. (A) anterior body, dorsal view; (B) falcigers, anterior and midbody; (C) falcigers, posterior body; (D) dorsal simple chaeta; (E) ventral simple chaeta; (F) aciculae, anterior body; (G) acicula, posterior body. Scale bars: A = 200 µm; B – G = 10 µm." httpUri="https://zenodo.org/record/233498/files/figure.png" pageId="10" pageNumber="517">Figs 6</figureCitation>
B; 7E, H); remaining falcigers with blades with short spinulation; blades bidentate, teeth of even size on anterior body (
<figureCitation id="B5F52A04FFECFFD8FC89FAA2D6CFA012" box="[886,958,1375,1400]" captionStart="FIGURE 6" captionStartId="11.[151,250,1905,1927]" captionTargetBox="[157,1430,272,1872]" captionTargetId="figure@11.[152,1435,267,1883]" captionTargetPageId="11" captionText="FIGURE 6. Eusyllis assimilis. (A) anterior body, dorsal view; (B) falcigers, anterior and midbody; (C) falcigers, posterior body; (D) dorsal simple chaeta; (E) ventral simple chaeta; (F) aciculae, anterior body; (G) acicula, posterior body. Scale bars: A = 200 µm; B – G = 10 µm." httpUri="https://zenodo.org/record/233498/files/figure.png" pageId="10" pageNumber="517">Figs 6</figureCitation>
B; 7F), subdistal tooth progressively larger and slightly hooked towards posterior body (
<figureCitation id="B5F52A04FFECFFD8FD54FA79D789A0F7" box="[683,760,1412,1437]" captionStart="FIGURE 6" captionStartId="11.[151,250,1905,1927]" captionTargetBox="[157,1430,272,1872]" captionTargetId="figure@11.[152,1435,267,1883]" captionTargetPageId="11" captionText="FIGURE 6. Eusyllis assimilis. (A) anterior body, dorsal view; (B) falcigers, anterior and midbody; (C) falcigers, posterior body; (D) dorsal simple chaeta; (E) ventral simple chaeta; (F) aciculae, anterior body; (G) acicula, posterior body. Scale bars: A = 200 µm; B – G = 10 µm." httpUri="https://zenodo.org/record/233498/files/figure.png" pageId="10" pageNumber="517">Figs 6</figureCitation>
C; 7G, I–J); blades 25–15 Μm long on anterior body and midbody, 17–12 Μm long on posterior body. Dorsal simple chaetae only present on posterior body, thinner than shafts of falcigers, subdistally spinulated, unidentate (
<figureCitation id="B5F52A04FFECFFD8FCFFFA31D637A08F" box="[768,838,1484,1509]" captionStart="FIGURE 6" captionStartId="11.[151,250,1905,1927]" captionTargetBox="[157,1430,272,1872]" captionTargetId="figure@11.[152,1435,267,1883]" captionTargetPageId="11" captionText="FIGURE 6. Eusyllis assimilis. (A) anterior body, dorsal view; (B) falcigers, anterior and midbody; (C) falcigers, posterior body; (D) dorsal simple chaeta; (E) ventral simple chaeta; (F) aciculae, anterior body; (G) acicula, posterior body. Scale bars: A = 200 µm; B – G = 10 µm." httpUri="https://zenodo.org/record/233498/files/figure.png" pageId="10" pageNumber="517">Fig. 6</figureCitation>
D); ventral simple chaetae only present on posterior body, slightly spinulated subdistally, bidentate, subdistal tooth larger than distal one (
<figureCitation id="B5F52A04FFECFFD8FBA5FA12D1EEA362" box="[1114,1183,1519,1544]" captionStart="FIGURE 6" captionStartId="11.[151,250,1905,1927]" captionTargetBox="[157,1430,272,1872]" captionTargetId="figure@11.[152,1435,267,1883]" captionTargetPageId="11" captionText="FIGURE 6. Eusyllis assimilis. (A) anterior body, dorsal view; (B) falcigers, anterior and midbody; (C) falcigers, posterior body; (D) dorsal simple chaeta; (E) ventral simple chaeta; (F) aciculae, anterior body; (G) acicula, posterior body. Scale bars: A = 200 µm; B – G = 10 µm." httpUri="https://zenodo.org/record/233498/files/figure.png" pageId="10" pageNumber="517">Fig. 6</figureCitation>
E). Anterior parapodia with 2 aciculae each, one of them subdistally bent, with rounded tip, another straight, distally pointed (
<figureCitation id="B5F52A04FFECFFD8FAC8F9E9D00CA347" box="[1335,1405,1556,1581]" captionStart="FIGURE 6" captionStartId="11.[151,250,1905,1927]" captionTargetBox="[157,1430,272,1872]" captionTargetId="figure@11.[152,1435,267,1883]" captionTargetPageId="11" captionText="FIGURE 6. Eusyllis assimilis. (A) anterior body, dorsal view; (B) falcigers, anterior and midbody; (C) falcigers, posterior body; (D) dorsal simple chaeta; (E) ventral simple chaeta; (F) aciculae, anterior body; (G) acicula, posterior body. Scale bars: A = 200 µm; B – G = 10 µm." httpUri="https://zenodo.org/record/233498/files/figure.png" pageId="10" pageNumber="517">Fig. 6</figureCitation>
F); midbody and posterior parapodia with only 1 acicula each, thicker than those of anterior body chaetigers and more pronouncedly curved, with rounded tip (
<figureCitation id="B5F52A04FFECFFD8FD9EF9A1D7D7A31F" box="[609,678,1628,1653]" captionStart="FIGURE 6" captionStartId="11.[151,250,1905,1927]" captionTargetBox="[157,1430,272,1872]" captionTargetId="figure@11.[152,1435,267,1883]" captionTargetPageId="11" captionText="FIGURE 6. Eusyllis assimilis. (A) anterior body, dorsal view; (B) falcigers, anterior and midbody; (C) falcigers, posterior body; (D) dorsal simple chaeta; (E) ventral simple chaeta; (F) aciculae, anterior body; (G) acicula, posterior body. Scale bars: A = 200 µm; B – G = 10 µm." httpUri="https://zenodo.org/record/233498/files/figure.png" pageId="10" pageNumber="517">Fig. 6</figureCitation>
G). Pygidium with pair of elongate anal cirri, up to same length as dorsal peristomial cirri. Pharynx through ~6 segments, opening surrounded by 10 large papillae; large, conical central tooth close to opening and complete or incomplete trepan formed by 25–45 denticles, more evident on ventral half (
<figureCitation id="B5F52A04FFECFFD8FED9F93AD41CA38A" box="[294,365,1735,1760]" captionStart="FIGURE 6" captionStartId="11.[151,250,1905,1927]" captionTargetBox="[157,1430,272,1872]" captionTargetId="figure@11.[152,1435,267,1883]" captionTargetPageId="11" captionText="FIGURE 6. Eusyllis assimilis. (A) anterior body, dorsal view; (B) falcigers, anterior and midbody; (C) falcigers, posterior body; (D) dorsal simple chaeta; (E) ventral simple chaeta; (F) aciculae, anterior body; (G) acicula, posterior body. Scale bars: A = 200 µm; B – G = 10 µm." httpUri="https://zenodo.org/record/233498/files/figure.png" pageId="10" pageNumber="517">Figs 6</figureCitation>
A; 7A–B, D); proventricle through ~8–9 segments, with 45–50 muscle cell rows (
<figureCitation id="B5F52A04FFECFFD8FAFEF93AD035A38A" box="[1281,1348,1735,1760]" captionStart="FIGURE 6" captionStartId="11.[151,250,1905,1927]" captionTargetBox="[157,1430,272,1872]" captionTargetId="figure@11.[152,1435,267,1883]" captionTargetPageId="11" captionText="FIGURE 6. Eusyllis assimilis. (A) anterior body, dorsal view; (B) falcigers, anterior and midbody; (C) falcigers, posterior body; (D) dorsal simple chaeta; (E) ventral simple chaeta; (F) aciculae, anterior body; (G) acicula, posterior body. Scale bars: A = 200 µm; B – G = 10 µm." httpUri="https://zenodo.org/record/233498/files/figure.png" pageId="10" pageNumber="517">Fig. 6</figureCitation>
A).
</paragraph>
</subSubSection>
<subSubSection id="65D4650AFFECFFD8FF38F911D7E9A21A" pageId="10" pageNumber="517" type="discussion">
<paragraph id="2D713681FFECFFD8FF38F911D7E9A21A" blockId="10.[151,1437,151,2013]" pageId="10" pageNumber="517">
<emphasis id="1FBAEA93FFECFFD8FF38F911D44AA26F" bold="true" box="[199,315,1772,1797]" pageId="10" pageNumber="517">Remarks.</emphasis>
The number of denticles in the trepan may vary and, usually, is difficult to assess, as these structures are tiny and only visible in dissected specimens, or in those with fully everted pharynx. 
<bibRefCitation id="495F4B70FFECFFD8FB82F8ECD020A242" box="[1149,1361,1807,1832]" pageId="10" pageNumber="517" refString="Brusa, V. S., Aguado, M. T., San Martin, G. &amp; Rouse, G. (2013) Revision of the genus Eusyllis (Annelida: Phyllodocida: Syllidae: Eusyllinae), with the description of a new species from the eastern Pacific Ocean. Zootaxa, 3599 (1), 37 - 50. http: // dx. doi. org / 10.11646 / zootaxa. 3599.1.3" type="journal article">
Brusa 
<emphasis id="1FBAEA93FFECFFD8FB3AF8ECD18FA242" box="[1221,1278,1807,1832]" italics="true" pageId="10" pageNumber="517">et al.</emphasis>
(2013)
</bibRefCitation>
report that some specimens from the Mediterranean Sea and the Pacific Ocean may present a complete trepan, as observed in some of our specimens (
<figureCitation id="B5F52A04FFECFFD8FDCFF8AAD705A21A" box="[560,628,1879,1904]" captionStart="FIGURE 7" captionStartId="12.[151,250,1877,1899]" captionTargetBox="[210,1367,197,1840]" captionTargetId="figure@12.[206,1373,193,1844]" captionTargetPageId="12" captionText="FIGURE 7. Eusyllis assimilis, SEM. (A) anterior body, dorsal view; (B) anterior body, ventral view; (C) detail of prostomium and peristomium, dorsal view; (D) pharynx opening, showing tooth and trepan; (E) dorsalmost falciger, anterior to midbody; (F) intermediate falciger, anterior to midbody; (G) ventralmost falciger, anterior to midbody; (H) dorsalmost falciger, mid- to posterior body; (I) intermediate falcigers, midbody; (J) ventralmost falciger, mid- to posterior body. Scale bars: A – B = 100 µm; C – D = 50 µm; E – I = 5 µm; J = 10 µm." httpUri="https://zenodo.org/record/233499/files/figure.png" pageId="10" pageNumber="517">Fig. 7</figureCitation>
D).
</paragraph>
</subSubSection>
<subSubSection id="65D4650AFFECFFD8FF38F881D78CA2FE" box="[199,765,1916,1941]" pageId="10" pageNumber="517" type="materials_examined">
<paragraph id="2D713681FFECFFD8FF38F881D78CA2FE" blockId="10.[151,1437,151,2013]" box="[199,765,1916,1941]" pageId="10" pageNumber="517">
<emphasis id="1FBAEA93FFECFFD8FF38F881D414A2FF" bold="true" box="[199,357,1916,1941]" pageId="10" pageNumber="517">
<typeStatus id="F2758823FFECFFD8FF38F881D473A2FF" box="[199,258,1916,1941]" pageId="10" pageNumber="517">Type</typeStatus>
locality.
</emphasis>
Italy—around Triest (Adriatic Sea).
</paragraph>
</subSubSection>
<subSubSection id="65D4650AFFECFFD9FF38F85DD429A5BE" lastPageId="11" lastPageNumber="518" pageId="10" pageNumber="517" type="distribution">
<paragraph id="2D713681FFECFFD9FF38F85DD429A5BE" blockId="10.[151,1437,151,2013]" lastBlockId="11.[151,1436,151,213]" lastPageId="11" lastPageNumber="518" pageId="10" pageNumber="517">
<emphasis id="1FBAEA93FFECFFD8FF38F85DD411A2D3" bold="true" box="[199,352,1952,1977]" pageId="10" pageNumber="517">Distribution.</emphasis>
Pacific Ocean: 
<collectingCountry id="55D97611FFECFFD8FDE0F85CD7CCA2D3" box="[543,701,1952,1977]" name="New Zealand" pageId="10" pageNumber="517">New Zealand</collectingCountry>
; 
<collectingCountry id="55D97611FFECFFD8FD33F85DD647A2D3" box="[716,822,1952,1977]" name="Australia" pageId="10" pageNumber="517">Australia</collectingCountry>
; 
<collectingCountry id="55D97611FFECFFD8FCB9F85CD6F8A2D2" box="[838,905,1953,1976]" name="Japan" pageId="10" pageNumber="517">Japan</collectingCountry>
. Indian Ocean: 
<collectingCountry id="55D97611FFECFFD8FBBAF85DD1DEA2D3" box="[1093,1199,1952,1977]" name="Australia" pageId="10" pageNumber="517">Australia</collectingCountry>
. Mediterranean Sea. Atlantic Ocean: East Atlantic Ocean, from English Channel to 
<collectingCountry id="55D97611FFECFFD8FC80F839D167A2B7" box="[895,1046,1988,2013]" name="South Africa" pageId="10" pageNumber="517">South Africa</collectingCountry>
; Northwest Atlantic Ocean, from 
<collectingCountry id="55D97611FFEDFFD9FF68FF6AD59AA5DA" box="[151,235,151,176]" name="Canada" pageId="11" pageNumber="518">Canada</collectingCountry>
to 
<collectingCountry id="55D97611FFEDFFD9FEEFFF6AD414A5DA" box="[272,357,151,176]" name="Mexico" pageId="11" pageNumber="518">México</collectingCountry>
(
<bibRefCitation id="495F4B70FFEDFFD9FE8AFF65D746A5DA" author="San" box="[373,567,152,176]" pageId="11" pageNumber="518" refString="San Martin, G. (2003) Annelida Polychaeta II: Syllidae. In: Ramos, M. A. et al. (Eds.), Fauna Iberica. Vol. 21. Museo Nacional de Ciencias Naturales, CSIC, Madrid, pp. 1 - 544." type="book" year="2003">San Martín 2003</bibRefCitation>
; 
<bibRefCitation id="495F4B70FFEDFFD9FDBCFF65D6EAA5DA" author="San" box="[579,923,151,176]" pageId="11" pageNumber="518" refString="San Martin, G. &amp; Hutchings, P. (2006) Eusyllinae (Polychaeta: Syllidae) from Australia with the description of a new genus and fifteen new species. Records of the Australian Museum, 58, 257 - 370. http: // dx. doi. org / 10.3853 / j. 0067 - 1975.58.2006.1466" type="journal article" year="2006">San Martín &amp; Hutchings 2006</bibRefCitation>
; 
<bibRefCitation id="495F4B70FFEDFFD9FC58FF65D11CA5DA" author="Brusa" box="[935,1133,151,176]" pageId="11" pageNumber="518" refString="Brusa, V. S., Aguado, M. T., San Martin, G. &amp; Rouse, G. (2013) Revision of the genus Eusyllis (Annelida: Phyllodocida: Syllidae: Eusyllinae), with the description of a new species from the eastern Pacific Ocean. Zootaxa, 3599 (1), 37 - 50. http: // dx. doi. org / 10.11646 / zootaxa. 3599.1.3" type="journal article" year="2013">
Brusa 
<emphasis id="1FBAEA93FFEDFFD9FC0FFF64D158A5DA" box="[1008,1065,151,176]" italics="true" pageId="11" pageNumber="518">et al.</emphasis>
2013
</bibRefCitation>
). First occurrence in South American coasts.
</paragraph>
</subSubSection>
</treatment>
</document>