treatments-xml/data/03/F7/EC/03F7EC34FFA45963FD451D02FAB5FC4A.xml

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<mods:title id="481077E57BCA7E86DAE878A2795F7CED">On the morphology and distribution of Dipolydora giardi and status of D. trilobata (Annelida: Spionidae)</mods:title>
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<mods:namePart id="A50DAC750F8E77B5CD70986846CF1432">Radashevsky, Vasily I.</mods:namePart>
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<heading id="D0A9EA4EFFA45966FD451D02FD37FBC7" bold="true" box="[264,663,1057,1083]" fontSize="11" level="1" pageId="3" pageNumber="28" reason="1">
<taxonomicName id="4C5E26A1FFA45966FD451D02FD37FBC7" ID-CoL="36PYW" authority="Mesnil, 1896" authorityName="Mesnil" authorityYear="1896" box="[264,663,1057,1083]" class="Polychaeta" family="Spionidae" genus="Dipolydora" kingdom="Animalia" order="Spionida" pageId="3" pageNumber="28" phylum="Annelida" rank="species" species="giardi">
<emphasis id="B92A8130FFA45966FD451D02FD37FBC7" bold="true" box="[264,663,1057,1083]" pageId="3" pageNumber="28">
<emphasis id="B92A8130FFA45966FD451D02FE7FFBC7" bold="true" box="[264,479,1057,1083]" italics="true" pageId="3" pageNumber="28">Dipolydora giardi</emphasis>
(
<bibRefCitation id="EFCF20D3FFA45966FDA01D02FD2FFBC7" author="Mesnil" box="[493,655,1057,1083]" pageId="3" pageNumber="35" refString="Mesnil, F. (1896) Etudes de morphologie externe chez les Annelides. I. Les Spionidiens des cotes de la Manche. Bulletin scientifique de la France et de la Belgique, 29, 110 - 287." type="journal article" year="1896">Mesnil, 1896</bibRefCitation>
)
</emphasis>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="8BE15D22FFA45966FD451D67FEC0FBA2" blockId="3.[264,663,1057,1118]" box="[264,352,1092,1118]" pageId="3" pageNumber="28">
(
<figureCitation id="136541A7FFA45966FD5C1D67FEF6FBA2" box="[273,342,1092,1118]" captionStart="FIGURE 2" captionStartId="4.[264,367,1400,1424]" captionTargetBox="[292,1294,329,1333]" captionTargetId="figure@4.[292,1297,329,1333]" captionTargetPageId="4" captionText="FIGURE 2. Dipolydora giardi, Italy (BMNH 2002.620 – 629): A. Anterior end, dorsal view; B. posterior end with trilobed pygidium, dorsal view; C. bidentate hooded hook from neuropodium of chaetiger 7; D. ventral inferior winged capillary from neuropodium of chaetiger 7; E. alternating hair­like capillary from posterior neuropodium; F. bidentate hooded hook from posterior neuropodium; G. ventral capillary of chaetiger 5; H. dorsal superior geniculate capillary of chaetiger 5; I. major modified spine and bilimbate companion capillary of chaetiger 5." httpUri="https://zenodo.org/record/170486/files/figure.png" pageId="3" pageNumber="28">Fig. 2</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C3440EA9FFA45966FD451DB7FAAFFB31" pageId="3" pageNumber="28" type="reference_group">
<paragraph id="8BE15D22FFA45966FD451DB7FB4FFB57" blockId="3.[264,1295,1172,1230]" box="[264,1263,1172,1195]" pageId="3" pageNumber="28">
<treatmentCitationGroup id="AB4E7A0CFFA45966FD451DB7FB4FFB57" box="[264,1263,1172,1195]" pageId="3" pageNumber="28">
<taxonomicName id="4C5E26A1FFA45966FD451DB7FDDBFB57" ID-CoL="4L5ZZ" authority="Mesnil, 1896: 195" authorityName="Mesnil" authorityPageNumber="195" authorityYear="1896" box="[264,635,1172,1195]" class="Polychaeta" family="Spionidae" genus="Polydora" kingdom="Animalia" order="Spionida" pageId="3" pageNumber="28" phylum="Annelida" rank="species" species="giardi">
<emphasis id="B92A8130FFA45966FD451DB7FE12FB57" box="[264,434,1172,1195]" italics="true" pageId="3" pageNumber="28">Polydora giardi</emphasis>
<treatmentCitation id="0AFF7B33FFA45966FDF41DB7FDDBFB57" author="Mesnil" box="[441,635,1172,1195]" page="195" pageId="3" pageNumber="28" year="1896">
<bibRefCitation id="EFCF20D3FFA45966FDF41DB7FDEAFB57" author="Mesnil" box="[441,586,1172,1195]" pageId="3" pageNumber="35" refString="Mesnil, F. (1896) Etudes de morphologie externe chez les Annelides. I. Les Spionidiens des cotes de la Manche. Bulletin scientifique de la France et de la Belgique, 29, 110 - 287." type="journal article" year="1896">Mesnil, 1896</bibRefCitation>
: 195
</treatmentCitation>
</taxonomicName>
–202, pl. 13, figs. 1–12. 
<treatmentCitation id="0AFF7B33FFA45966FFCC1DB7FB96FB57" author="Fauvel" box="[897,1078,1172,1195]" page="50" pageId="3" pageNumber="28" year="1927">
<bibRefCitation id="EFCF20D3FFA45966FFCC1DB7FBB1FB57" author="Fauvel" box="[897,1041,1172,1195]" pageId="3" pageNumber="35" refString="Fauvel, P. (1927) Polychetes sedentaires. Addenda aux Errantes, Archiannelides, Myzostomaires. Faune de France, 16, 1 - 494." type="journal article" year="1927">Fauvel, 1927</bibRefCitation>
: 50
</treatmentCitation>
–52, fig. 17 h–m.
</treatmentCitationGroup>
</paragraph>
<paragraph id="8BE15D22FFA45966FD451D94FAAFFB31" blockId="3.[264,1295,1172,1230]" box="[264,1295,1206,1230]" pageId="3" pageNumber="28">
<treatmentCitationGroup id="AB4E7A0CFFA45966FD451D94FAAFFB31" box="[264,1295,1206,1230]" pageId="3" pageNumber="28">
<taxonomicName id="4C5E26A1FFA45966FD451D94FD32FB31" ID-CoL="36PYW" authority="Blake, 1996: 186" authorityName="Blake" authorityPageNumber="186" authorityYear="1996" box="[264,658,1206,1230]" class="Polychaeta" family="Spionidae" genus="Dipolydora" kingdom="Animalia" order="Spionida" pageId="3" pageNumber="28" phylum="Annelida" rank="species" species="giardi">
<emphasis id="B92A8130FFA45966FD451D94FE6AFB32" box="[264,458,1207,1230]" italics="true" pageId="3" pageNumber="28">Dipolydora giardi</emphasis>
: 
<treatmentCitation id="0AFF7B33FFA45966FD951D95FD32FB31" author="Blake" box="[472,658,1206,1229]" page="186" pageId="3" pageNumber="28" year="1996">
<bibRefCitation id="EFCF20D3FFA45966FD951D95FDFDFB31" author="Blake" box="[472,605,1206,1229]" pageId="3" pageNumber="34" refString="Blake, J. A. (1996) Family Spionidae Grube, 1850. Including a review of the genera and species from California and a revision of the genus Polydora Bosc, 1802. In: Blake, J. A., Hilbig, B. &amp; Scott, P. H. (Eds.), Taxonomic Atlas of the Benthic Fauna of the Santa Maria Basin and Western Santa Barbara Channel. Volume 6. The Annelida Part 3 - Polychaeta: Orbiniidae to Cossuridae. Santa Barbara Museum of Natural History, Santa Barbara, California, pp. 81 - 223." type="book chapter" year="1996">Blake, 1996</bibRefCitation>
: 186
</treatmentCitation>
</taxonomicName>
. [New combination introduced. 
<taxonomicName id="4C5E26A1FFA45966FFA41D94FBEAFB32" ID-CoL="36PYW" box="[1001,1098,1207,1230]" class="Polychaeta" family="Spionidae" genus="Dipolydora" kingdom="Animalia" order="Spionida" pageId="3" pageNumber="28" phylum="Annelida" rank="species" species="giardi">
<emphasis id="B92A8130FFA45966FFA41D94FBEAFB32" box="[1001,1098,1207,1230]" italics="true" pageId="3" pageNumber="28">D. giardi</emphasis>
</taxonomicName>
record uncertain].
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="C3440EA9FFA45966FD451C22FD79F9CF" pageId="3" pageNumber="28" type="materials_examined">
<paragraph id="8BE15D22FFA45966FD451C22FBE4FA6F" blockId="3.[264,1324,1281,1587]" pageId="3" pageNumber="28">
<emphasis id="B92A8130FFA45966FD451C22FED5FAE7" bold="true" box="[264,373,1281,1307]" pageId="3" pageNumber="28">Material</emphasis>
. 
<collectingCountry id="F3491DB2FFA45966FDC91C22FE5EFAE7" box="[388,510,1281,1307]" name="France" pageId="3" pageNumber="28">
<emphasis id="B92A8130FFA45966FDC91C22FE5EFAE7" bold="true" box="[388,510,1281,1307]" pageId="3" pageNumber="28">FRANCE</emphasis>
</collectingCountry>
: La Manche, coll. &amp; id. F. Mesnil, accessioned 
<collectionCode id="ED4FC5E7FFA45966F8611C22FB21FAE7" box="[1068,1153,1281,1307]" httpUri="http://grbio.org/cool/mci8-ehqk" name="Zoological Museum, University of Copenhagen" pageId="3" pageNumber="28">ZMUC</collectionCode>
<date id="FFE07BE2FFA45966F8C51C22FA86FAE7" box="[1160,1318,1281,1307]" pageId="3" pageNumber="28" value="1896-06-22">22 June 1896</date>
, 
<collectionCode id="ED4FC5E7FFA45966FD451C0AFEFDFABF" box="[264,349,1321,1347]" httpUri="http://grbio.org/cool/mci8-ehqk" name="Zoological Museum, University of Copenhagen" pageId="3" pageNumber="28">ZMUC</collectionCode>
<collectionCode id="ED4FC5E7FFA45966FD2B1C0AFE08FABF" box="[358,424,1321,1347]" pageId="3" pageNumber="28">POL­</collectionCode>
653 (3 spec.). 
<emphasis id="B92A8130FFA45966FE1E1C0AFD10FABF" bold="true" box="[595,688,1321,1347]" pageId="3" pageNumber="28">
<collectingCountry id="F3491DB2FFA45966FE1E1C0AFD10FABF" box="[595,688,1321,1347]" name="Italy" pageId="3" pageNumber="28">ITALY</collectingCountry>
</emphasis>
: Ischia Is., Gulf of Naples, 
<geoCoordinate id="EE6A3BE5FFA45966FFB21C0AFB22FABF" box="[1023,1154,1321,1347]" direction="north" orientation="latitude" pageId="3" pageNumber="28" precision="92" value="40.746666">40°44.8' N</geoCoordinate>
, 
<geoCoordinate id="EE6A3BE5FFA45966F8C21C0AFAAEFABF" box="[1167,1294,1321,1347]" direction="east" orientation="longitude" pageId="3" pageNumber="28" precision="92" value="13.945">13°56.7' E</geoCoordinate>
, 
<quantity id="4CA6F0C7FFA45966F9511C0AFE82FA97" metricMagnitude="0" metricUnit="m" metricValue="2.0" pageId="3" pageNumber="28" unit="m" value="2.0">2 m</quantity>
, from shells of the whelks 
<taxonomicName id="4C5E26A1FFA45966FE221C72FC2FFA96" box="[623,911,1361,1386]" class="Gastropoda" family="Muricidae" genus="Stramonita" kingdom="Animalia" order="Neogastropoda" pageId="3" pageNumber="28" phylum="Mollusca" rank="species" species="haemastoma">
<emphasis id="B92A8130FFA45966FE221C72FC2FFA96" box="[623,911,1361,1386]" italics="true" pageId="3" pageNumber="28">Stramonita haemastoma</emphasis>
</taxonomicName>
(L.) and 
<taxonomicName id="4C5E26A1FFA45966F8491C72FB4BFA96" box="[1028,1259,1361,1386]" class="Gastropoda" family="Muricidae" genus="Hexaplex" kingdom="Animalia" order="Neogastropoda" pageId="3" pageNumber="28" phylum="Mollusca" rank="species" species="trunculus">
<emphasis id="B92A8130FFA45966F8491C72FB4BFA96" box="[1028,1259,1361,1386]" italics="true" pageId="3" pageNumber="28">Hexaplex trunculus</emphasis>
</taxonomicName>
(L.), coll. V. I. Radashevsky, 
<date id="FFE07BE2FFA45966FE6F1C5AFD0DFA6F" box="[546,685,1401,1427]" pageId="3" pageNumber="28" value="1994-07-18">18 Jul 1994</date>
, 
<collectionCode id="ED4FC5E7FFA45966FEF71C5AFCB2FA6F" box="[698,786,1401,1427]" pageId="3" pageNumber="28">BMNH</collectionCode>
2002.620–629 (17 spec.).
</paragraph>
<paragraph id="8BE15D22FFA45966FD751C82FD79F9CF" blockId="3.[264,1324,1281,1587]" pageId="3" pageNumber="28">
<emphasis id="B92A8130FFA45966FD751C82FDEEFA47" bold="true" box="[312,590,1441,1467]" pageId="3" pageNumber="28">Comparative material</emphasis>
. 
<taxonomicName id="4C5E26A1FFA45966FE101C82FCF2FA46" box="[605,850,1441,1466]" class="Polychaeta" family="Spionidae" genus="Dipolydora" kingdom="Animalia" order="Spionida" pageId="3" pageNumber="28" phylum="Annelida" rank="species" species="trilobata">
<emphasis id="B92A8130FFA45966FE101C82FCF2FA46" box="[605,850,1441,1466]" italics="true" pageId="3" pageNumber="28">Dipolydora trilobata</emphasis>
</taxonomicName>
: 
<collectingCountry id="F3491DB2FFA45966FF2F1C82FC6DFA47" box="[866,973,1441,1467]" name="Russia" pageId="3" pageNumber="28">
<emphasis id="B92A8130FFA45966FF2F1C82FC6DFA47" bold="true" box="[866,973,1441,1467]" pageId="3" pageNumber="28">RUSSIA</emphasis>
</collectingCountry>
: Sea of 
<collectingCountry id="F3491DB2FFA45966F87D1C82FBD6FA47" box="[1072,1142,1441,1467]" name="Japan" pageId="3" pageNumber="28">Japan</collectingCountry>
, Vostok Bay of Peter the Great Bay, 
<geoCoordinate id="EE6A3BE5FFA45966FE4D1CEAFD23FA1F" box="[512,643,1481,1507]" direction="north" orientation="latitude" pageId="3" pageNumber="28" precision="92" value="42.893333">42°53.6' N</geoCoordinate>
, 
<geoCoordinate id="EE6A3BE5FFA45966FEDD1CEAFCBEFA1F" box="[656,798,1481,1507]" direction="east" orientation="longitude" pageId="3" pageNumber="28" precision="92" value="132.735">132°44.1' E</geoCoordinate>
, from shells of the oyster 
<taxonomicName id="4C5E26A1FFA45966F81B1CEAFE30F9F7" authority="Thunberg" authorityName="Thunberg" class="Bivalvia" family="Ostreidae" genus="Crassostrea" kingdom="Animalia" order="Ostreoida" pageId="3" pageNumber="28" phylum="Mollusca" rank="species" species="gigas">
<emphasis id="B92A8130FFA45966F81B1CEAFA8BFA1E" box="[1110,1323,1481,1506]" italics="true" pageId="3" pageNumber="28">Crassostrea gigas</emphasis>
(Thunberg)
</taxonomicName>
, 
<collectionCode id="ED4FC5E7FFA45966FDEB1CD2FE42F9F7" box="[422,482,1521,1547]" httpUri="http://grbio.org/cool/vmfx-g997" name="Zoological Institute, Russian Academy of Sciences" pageId="3" pageNumber="28">ZISP</collectionCode>
1/46576­3/46578 (
<typeStatus id="54E5E380FFA45966FE9A1CD2FCE0F9F7" box="[727,832,1521,1547]" pageId="3" pageNumber="28" type="holotype">holotype</typeStatus>
+ 19 
<typeStatus id="54E5E380FFA45966FFEC1CD2FBB7F9F7" box="[929,1047,1521,1547]" pageId="3" pageNumber="28" type="paratype">paratypes</typeStatus>
); 
<collectionCode id="ED4FC5E7FFA45966F8781CD2FB22F9F7" box="[1077,1154,1521,1547]" pageId="3" pageNumber="28">IMBV</collectionCode>
1/12171 (50 
<typeStatus id="54E5E380FFA45966FD451F3AFEDEF9CF" box="[264,382,1561,1587]" pageId="3" pageNumber="28" type="paratype">paratypes</typeStatus>
); 
<collectionCode id="ED4FC5E7FFA45966FDDF1F3AFE47F9CF" LSID="urn:lsid:biocol.org:col:34871" box="[402,487,1561,1587]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="3" pageNumber="28">USNM</collectionCode>
183520 (30+ spec.).
</paragraph>
</subSubSection>
<subSubSection id="C3440EA9FFA45960FD751F4AFDADFAE2" lastPageId="5" lastPageNumber="30" pageId="3" pageNumber="28" type="description">
<paragraph id="8BE15D22FFA45966FD751F4AFC25F8B7" blockId="3.[264,1325,1641,1867]" pageId="3" pageNumber="28">
<emphasis id="B92A8130FFA45966FD751F4AFE69F97F" bold="true" box="[312,457,1641,1667]" pageId="3" pageNumber="28">Description</emphasis>
. Mesnil’s material consists of three complete individuals 
<quantity id="4CA6F0C7FFA45966F8C51F4AFB4CF97F" box="[1160,1260,1641,1667]" metricMagnitude="-3" metricUnit="m" metricValue="3.5" metricValueMax="4.0" metricValueMin="3.0" pageId="3" pageNumber="28" unit="mm" value="3.5" valueMax="4.0" valueMin="3.0">3–4 mm</quantity>
long and 0.3–0.4 mm wide for c. 60, 70, and 75 chaetigers. One individual regenerating two anterior segments. Largest complete specimen from 
<collectingCountry id="F3491DB2FFA45966FF3A1F9AFC0DF92F" box="[887,941,1721,1747]" name="Italy" pageId="3" pageNumber="28">Italy</collectingCountry>
c. 
<quantity id="4CA6F0C7FFA45966FF9F1F9AFBB8F92F" box="[978,1048,1721,1747]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="3" pageNumber="28" unit="mm" value="4.0">4 mm</quantity>
long and 0.3 mm wide for 60 chaetigers. Body pigmentation absent. Prostomium incised to bifid anteriorly. Caruncle extending posteriorly to end of chaetiger 3. Eyes and nuchal antenna absent (
<figureCitation id="136541A7FFA45966F8B71E2AFEB8F8B7" captionStart="FIGURE 2" captionStartId="4.[264,367,1400,1424]" captionTargetBox="[292,1294,329,1333]" captionTargetId="figure@4.[292,1297,329,1333]" captionTargetPageId="4" captionText="FIGURE 2. Dipolydora giardi, Italy (BMNH 2002.620 – 629): A. Anterior end, dorsal view; B. posterior end with trilobed pygidium, dorsal view; C. bidentate hooded hook from neuropodium of chaetiger 7; D. ventral inferior winged capillary from neuropodium of chaetiger 7; E. alternating hair­like capillary from posterior neuropodium; F. bidentate hooded hook from posterior neuropodium; G. ventral capillary of chaetiger 5; H. dorsal superior geniculate capillary of chaetiger 5; I. major modified spine and bilimbate companion capillary of chaetiger 5." httpUri="https://zenodo.org/record/170486/files/figure.png" pageId="3" pageNumber="28">Fig. 2</figureCitation>
A). Palps extending posteriorly for 10–15 chaetigers.
</paragraph>
<caption id="DF210DAAFFA35961FD451C5BFB3FF9B0" httpUri="https://zenodo.org/record/170486/files/figure.png" pageId="4" pageNumber="29" targetBox="[292,1294,329,1333]" targetPageId="4">
<paragraph id="8BE15D22FFA35961FD451C5BFB3FF9B0" blockId="4.[264,1323,1400,1612]" pageId="4" pageNumber="29">
<emphasis id="B92A8130FFA35961FD451C5BFE27FA6C" bold="true" box="[264,391,1400,1424]" pageId="4" pageNumber="29">FIGURE 2</emphasis>
. 
<taxonomicName id="4C5E26A1FFA35961FDD51C5AFDFDFA6C" box="[408,605,1401,1424]" class="Polychaeta" family="Spionidae" genus="Dipolydora" kingdom="Animalia" order="Spionida" pageId="4" pageNumber="29" phylum="Annelida" rank="species" species="giardi">
<emphasis id="B92A8130FFA35961FDD51C5AFDFDFA6C" box="[408,605,1401,1424]" italics="true" pageId="4" pageNumber="29">Dipolydora giardi</emphasis>
</taxonomicName>
, Italy (BMNH 2002.620–629): A. Anterior end, dorsal view; B. posterior end with trilobed pygidium, dorsal view; C. bidentate hooded hook from neuropodium of chaetiger 7; D. ventral inferior winged capillary from neuropodium of chaetiger 7; E. alternating hair­like capillary from posterior neuropodium; F. bidentate hooded hook from posterior neuropodium; G. ventral capillary of chaetiger 5; H. dorsal superior geniculate capillary of chaetiger 5; I. major modified spine and bilimbate companion capillary of chaetiger 5.
</paragraph>
</caption>
<paragraph id="8BE15D22FFA35961FD751F88FE1AF8E9" blockId="4.[264,1323,1707,1893]" pageId="4" pageNumber="29">Chaetiger 1 with postchaetal lamellae in both rami; both noto­ and neurochaetae short capillaries, fewer than in following chaetigers. Posterior notopodia with only capillaries, without spines.</paragraph>
<paragraph id="8BE15D22FFA35960FD751E00FB05FE52" blockId="4.[264,1323,1707,1893]" lastBlockId="5.[264,1323,284,1870]" lastPageId="5" lastPageNumber="30" pageId="4" pageNumber="29">
Chaetiger 5 greatly modified, larger than chaetigers 4 or 6, without postchaetal lamellae, with 2 or 3 dorsal superior geniculate capillaries (
<figureCitation id="136541A7FFA35961FF801E68FBB5F899" box="[973,1045,1867,1893]" captionStart="FIGURE 2" captionStartId="4.[264,367,1400,1424]" captionTargetBox="[292,1294,329,1333]" captionTargetId="figure@4.[292,1297,329,1333]" captionTargetPageId="4" captionText="FIGURE 2. Dipolydora giardi, Italy (BMNH 2002.620 – 629): A. Anterior end, dorsal view; B. posterior end with trilobed pygidium, dorsal view; C. bidentate hooded hook from neuropodium of chaetiger 7; D. ventral inferior winged capillary from neuropodium of chaetiger 7; E. alternating hair­like capillary from posterior neuropodium; F. bidentate hooded hook from posterior neuropodium; G. ventral capillary of chaetiger 5; H. dorsal superior geniculate capillary of chaetiger 5; I. major modified spine and bilimbate companion capillary of chaetiger 5." httpUri="https://zenodo.org/record/170486/files/figure.png" pageId="4" pageNumber="29">Fig. 2</figureCitation>
H), 4 or 5 major spines alternating with bilimbate­tipped companion chaetae (
<figureCitation id="136541A7FFA25960FFCA183FFC6FFECA" box="[903,975,284,310]" captionStart="FIGURE 2" captionStartId="4.[264,367,1400,1424]" captionTargetBox="[292,1294,329,1333]" captionTargetId="figure@4.[292,1297,329,1333]" captionTargetPageId="4" captionText="FIGURE 2. Dipolydora giardi, Italy (BMNH 2002.620 – 629): A. Anterior end, dorsal view; B. posterior end with trilobed pygidium, dorsal view; C. bidentate hooded hook from neuropodium of chaetiger 7; D. ventral inferior winged capillary from neuropodium of chaetiger 7; E. alternating hair­like capillary from posterior neuropodium; F. bidentate hooded hook from posterior neuropodium; G. ventral capillary of chaetiger 5; H. dorsal superior geniculate capillary of chaetiger 5; I. major modified spine and bilimbate companion capillary of chaetiger 5." httpUri="https://zenodo.org/record/170486/files/figure.png" pageId="5" pageNumber="30">
Fig. 
<date id="FFE07BE2FFA25960FFF2183FFC6FFECA" box="[959,975,284,310]" pageId="5" pageNumber="30">2</date>
</figureCitation>
I), and a tuft of 4 or 5 ventral capillaries (
<figureCitation id="136541A7FFA25960FDDF1867FE7AFEA2" box="[402,474,324,350]" captionStart="FIGURE 2" captionStartId="4.[264,367,1400,1424]" captionTargetBox="[292,1294,329,1333]" captionTargetId="figure@4.[292,1297,329,1333]" captionTargetPageId="4" captionText="FIGURE 2. Dipolydora giardi, Italy (BMNH 2002.620 – 629): A. Anterior end, dorsal view; B. posterior end with trilobed pygidium, dorsal view; C. bidentate hooded hook from neuropodium of chaetiger 7; D. ventral inferior winged capillary from neuropodium of chaetiger 7; E. alternating hair­like capillary from posterior neuropodium; F. bidentate hooded hook from posterior neuropodium; G. ventral capillary of chaetiger 5; H. dorsal superior geniculate capillary of chaetiger 5; I. major modified spine and bilimbate companion capillary of chaetiger 5." httpUri="https://zenodo.org/record/170486/files/figure.png" pageId="5" pageNumber="30">Fig. 2</figureCitation>
G). Major spines falcate, with lateral tooth on one side and fine spur or protuberance on the other side; spines arranged in a slightly curved diagonal row; lateral tooth occasionally broken in older spines positioned in anterior part of the row.
</paragraph>
<paragraph id="8BE15D22FFA25960FD75189FFC2AFD8A" blockId="5.[264,1323,284,1870]" pageId="5" pageNumber="30">
Hooded hooks in neuropodia from chaetiger 7, up to 
<quantity id="4CA6F0C7FFA25960FF8F189FFC52FE2A" box="[962,1010,444,470]" metricMagnitude="-1" metricUnit="m" metricValue="1.27" pageId="5" pageNumber="30" unit="in" value="5.0">5 in</quantity>
a series, accompanied by single, winged inferior capillary chaetae in chaetigers 7–9 (
<figureCitation id="136541A7FFA25960FFF118C7FBA2FE02" box="[956,1026,484,510]" captionStart="FIGURE 2" captionStartId="4.[264,367,1400,1424]" captionTargetBox="[292,1294,329,1333]" captionTargetId="figure@4.[292,1297,329,1333]" captionTargetPageId="4" captionText="FIGURE 2. Dipolydora giardi, Italy (BMNH 2002.620 – 629): A. Anterior end, dorsal view; B. posterior end with trilobed pygidium, dorsal view; C. bidentate hooded hook from neuropodium of chaetiger 7; D. ventral inferior winged capillary from neuropodium of chaetiger 7; E. alternating hair­like capillary from posterior neuropodium; F. bidentate hooded hook from posterior neuropodium; G. ventral capillary of chaetiger 5; H. dorsal superior geniculate capillary of chaetiger 5; I. major modified spine and bilimbate companion capillary of chaetiger 5." httpUri="https://zenodo.org/record/170486/files/figure.png" pageId="5" pageNumber="30">Fig. 2</figureCitation>
D) and by 1 or 2 hair­like capillaries situated between hooks in a few posterior chaetigers (
<figureCitation id="136541A7FFA25960FFB11B2FFBE2FDDA" box="[1020,1090,524,550]" captionStart="FIGURE 2" captionStartId="4.[264,367,1400,1424]" captionTargetBox="[292,1294,329,1333]" captionTargetId="figure@4.[292,1297,329,1333]" captionTargetPageId="4" captionText="FIGURE 2. Dipolydora giardi, Italy (BMNH 2002.620 – 629): A. Anterior end, dorsal view; B. posterior end with trilobed pygidium, dorsal view; C. bidentate hooded hook from neuropodium of chaetiger 7; D. ventral inferior winged capillary from neuropodium of chaetiger 7; E. alternating hair­like capillary from posterior neuropodium; F. bidentate hooded hook from posterior neuropodium; G. ventral capillary of chaetiger 5; H. dorsal superior geniculate capillary of chaetiger 5; I. major modified spine and bilimbate companion capillary of chaetiger 5." httpUri="https://zenodo.org/record/170486/files/figure.png" pageId="5" pageNumber="30">Fig. 2</figureCitation>
E). Hooks bidentate throughout, with angle between main fang and shaft wider in posterior chaetigers; hook shaft slightly curved, without constriction (
<figureCitation id="136541A7FFA25960FF4C1B7FFCE8FD8A" box="[769,840,604,630]" captionStart="FIGURE 2" captionStartId="4.[264,367,1400,1424]" captionTargetBox="[292,1294,329,1333]" captionTargetId="figure@4.[292,1297,329,1333]" captionTargetPageId="4" captionText="FIGURE 2. Dipolydora giardi, Italy (BMNH 2002.620 – 629): A. Anterior end, dorsal view; B. posterior end with trilobed pygidium, dorsal view; C. bidentate hooded hook from neuropodium of chaetiger 7; D. ventral inferior winged capillary from neuropodium of chaetiger 7; E. alternating hair­like capillary from posterior neuropodium; F. bidentate hooded hook from posterior neuropodium; G. ventral capillary of chaetiger 5; H. dorsal superior geniculate capillary of chaetiger 5; I. major modified spine and bilimbate companion capillary of chaetiger 5." httpUri="https://zenodo.org/record/170486/files/figure.png" pageId="5" pageNumber="30">Fig. 2</figureCitation>
C, F).
</paragraph>
<paragraph id="8BE15D22FFA25960FD751BA7FD58FCEA" blockId="5.[264,1323,284,1870]" pageId="5" pageNumber="30">
Branchiae from chaetiger 9–10, usually from 10 but one specimen with short branchial buds present on chaetiger 9 (
<figureCitation id="136541A7FFA25960FE161B8FFD02FD3A" box="[603,674,684,710]" captionStart="FIGURE 2" captionStartId="4.[264,367,1400,1424]" captionTargetBox="[292,1294,329,1333]" captionTargetId="figure@4.[292,1297,329,1333]" captionTargetPageId="4" captionText="FIGURE 2. Dipolydora giardi, Italy (BMNH 2002.620 – 629): A. Anterior end, dorsal view; B. posterior end with trilobed pygidium, dorsal view; C. bidentate hooded hook from neuropodium of chaetiger 7; D. ventral inferior winged capillary from neuropodium of chaetiger 7; E. alternating hair­like capillary from posterior neuropodium; F. bidentate hooded hook from posterior neuropodium; G. ventral capillary of chaetiger 5; H. dorsal superior geniculate capillary of chaetiger 5; I. major modified spine and bilimbate companion capillary of chaetiger 5." httpUri="https://zenodo.org/record/170486/files/figure.png" pageId="5" pageNumber="30">Fig. 2</figureCitation>
A); branchiae full­sized from chaetiger 11, absent from posterior half of body. Branchiae flattened, with surfaces oriented parallel to body axis, free from notopodial postchaetal lamellae.
</paragraph>
<paragraph id="8BE15D22FFA25960FD751A07FDBFFC4A" blockId="5.[264,1323,284,1870]" pageId="5" pageNumber="30">
Pygidium small, cup­shaped, with one ventral lobe and two smaller dorsal lobes, appearing white because of large number of spindle­shaped mucous cells (
<figureCitation id="136541A7FFA25960F83D1A6FFB17FC9A" box="[1136,1207,844,870]" captionStart="FIGURE 2" captionStartId="4.[264,367,1400,1424]" captionTargetBox="[292,1294,329,1333]" captionTargetId="figure@4.[292,1297,329,1333]" captionTargetPageId="4" captionText="FIGURE 2. Dipolydora giardi, Italy (BMNH 2002.620 – 629): A. Anterior end, dorsal view; B. posterior end with trilobed pygidium, dorsal view; C. bidentate hooded hook from neuropodium of chaetiger 7; D. ventral inferior winged capillary from neuropodium of chaetiger 7; E. alternating hair­like capillary from posterior neuropodium; F. bidentate hooded hook from posterior neuropodium; G. ventral capillary of chaetiger 5; H. dorsal superior geniculate capillary of chaetiger 5; I. major modified spine and bilimbate companion capillary of chaetiger 5." httpUri="https://zenodo.org/record/170486/files/figure.png" pageId="5" pageNumber="30">Fig. 2</figureCitation>
B). Glandular pouches from chaetiger 6, full­sized from chaetiger 7 or 8, diminishing in size after chaetiger 10 or 11.
</paragraph>
<paragraph id="8BE15D22FFA25960FD751AE7FBF7FC22" blockId="5.[264,1323,284,1870]" box="[312,1111,964,990]" pageId="5" pageNumber="30">
Gizzard­like structure present at about chaetiger 17. 
<collectingCountry id="F3491DB2FFA25960FFD21AE7FC7AFC22" box="[927,986,964,990]" name="India" pageId="5" pageNumber="30">Hind</collectingCountry>
gut white.
</paragraph>
<paragraph id="8BE15D22FFA25960FD751ACFFCF4FB82" blockId="5.[264,1323,284,1870]" pageId="5" pageNumber="30">
Metanephridia opening middorsally via two separate nephridiopores on fertile segments apparent under methyl­green staining in a 40­segment posterior fragment from 
<collectingCountry id="F3491DB2FFA25960FD451D1FFE9DFBAA" box="[264,317,1084,1110]" name="Italy" pageId="5" pageNumber="30">Italy</collectingCountry>
which had oocytes up to 130 µm in diameter in middle segments. No sperm were recognized in this fragment or in other specimens.
</paragraph>
<paragraph id="8BE15D22FFA25960FD751DAFFDADFAE2" blockId="5.[264,1323,284,1870]" pageId="5" pageNumber="30">
<emphasis id="B92A8130FFA25960FD751DAFFD6CFB5A" bold="true" box="[312,716,1164,1190]" pageId="5" pageNumber="30">Methyl­green staining patterns.</emphasis>
Head and anterior chaetigers do not retain stain. Staining dorsally as paired spots, one on each half of chaetiger, usually from chaetiger 8 or 9, occasionally from chaetiger 7; size of spots and intensity of staining gradually increasing posteriorly.
</paragraph>
</subSubSection>
<subSubSection id="C3440EA9FFA25960FD751C0FFAA5F9CA" pageId="5" pageNumber="30" type="discussion">
<paragraph id="8BE15D22FFA25960FD751C0FFAA5F9CA" blockId="5.[264,1323,284,1870]" pageId="5" pageNumber="30">
<emphasis id="B92A8130FFA25960FD751C0FFE11FABA" bold="true" box="[312,433,1324,1350]" pageId="5" pageNumber="30">Remarks.</emphasis>
No differences in size, morphology and life style (boring in calcareous substrata) could be detected between the Mesnil’s worms from northern 
<collectingCountry id="F3491DB2FFA25960F82F1C77FB12FA92" box="[1122,1202,1364,1390]" name="France" pageId="5" pageNumber="30">France</collectingCountry>
and those from the Mediterranean and thus we are confident they are 
<emphasis id="B92A8130FFA25960FF841C5FFB71FA69" box="[969,1233,1404,1429]" italics="true" pageId="5" pageNumber="30">
<taxonomicName id="4C5E26A1FFA25960FF841C5FFBDDFA69" box="[969,1149,1404,1429]" class="Polychaeta" family="Spionidae" genus="Dipolydora" kingdom="Animalia" order="Spionida" pageId="5" pageNumber="30" phylum="Annelida" rank="subSpecies" species="giardi" subSpecies="sensu">
D. giardi 
<taxonomicNameLabel id="A2193C4BFFA25960F8711C5FFBDDFA69" box="[1084,1149,1404,1429]" pageId="5" pageNumber="30" sensu="stricto">sensu</taxonomicNameLabel>
</taxonomicName>
stricto
</emphasis>
Mesnil as indicated. Two specimens from the Mesnil’s sample found in Copenhagen have an indistinct pygidium, but one of them clearly has a middorsal cleft and two dorso­lateral clefts that divide the cup into one ventral lobe and two smaller dorsal lobes. The same trilobed pygidium was also invariably present in all specimens collected by us from 
<collectingCountry id="F3491DB2FFA25960F8841F3FFAA1F9CA" box="[1225,1281,1564,1590]" name="Italy" pageId="5" pageNumber="30">Italy</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection id="C3440EA9FFA25963FD751F67FAB5FC4A" lastPageId="6" lastPageNumber="31" pageId="5" pageNumber="30" type="reference_group">
<paragraph id="8BE15D22FFA25963FD751F67FBFBFD8A" blockId="5.[264,1323,284,1870]" lastBlockId="6.[264,1323,284,950]" lastPageId="6" lastPageNumber="31" pageId="5" pageNumber="30">
<taxonomicName id="4C5E26A1FFA25960FD751F67FD90F9A1" ID-CoL="36PZK" box="[312,560,1604,1629]" class="Polychaeta" family="Spionidae" genus="Dipolydora" kingdom="Animalia" order="Spionida" pageId="5" pageNumber="30" phylum="Annelida" rank="species" species="trilobata">
<emphasis id="B92A8130FFA25960FD751F67FD90F9A1" box="[312,560,1604,1629]" italics="true" pageId="5" pageNumber="30">Dipolydora trilobata</emphasis>
</taxonomicName>
specimens examined for the comparison resemble 
<taxonomicName id="4C5E26A1FFA25960F8D11F67FAA9F9A1" ID-CoL="36PYW" box="[1180,1289,1604,1629]" class="Polychaeta" family="Spionidae" genus="Dipolydora" kingdom="Animalia" order="Spionida" pageId="5" pageNumber="30" phylum="Annelida" rank="species" species="giardi">
<emphasis id="B92A8130FFA25960F8D11F67FAA9F9A1" box="[1180,1289,1604,1629]" italics="true" pageId="5" pageNumber="30">D. giardi</emphasis>
</taxonomicName>
in that they also have an incised to bifid prostomium, caruncle extending to the end of chaetiger 3, pygidium with three small lobes, major falcate spines of chaetiger 5 with large lateral tooth on one side and a smaller accessory spur on the other side. Maximal size of worms and boring mode of life are also identical. Both species lack eyes, occipital antenna and modified spines in posterior notopodia. However, branchiae in 
<taxonomicName id="4C5E26A1FFA25960F8081E2FFB14F8D9" ID-CoL="36PYW" box="[1093,1204,1804,1829]" class="Polychaeta" family="Spionidae" genus="Dipolydora" kingdom="Animalia" order="Spionida" pageId="5" pageNumber="30" phylum="Annelida" rank="species" species="giardi">
<emphasis id="B92A8130FFA25960F8081E2FFB14F8D9" box="[1093,1204,1804,1829]" italics="true" pageId="5" pageNumber="30">D. giardi</emphasis>
</taxonomicName>
begin on chaetiger 10 (
<specimenCount id="9D5896ABFFA25960FDE71E17FDEBF8B2" box="[426,587,1844,1870]" pageId="5" pageNumber="30" type="generic">19 specimens</specimenCount>
in 20 examined), rarely on chaetiger 9 (
<specimenCount id="9D5896ABFFA25960F8601E17FB15F8B2" box="[1069,1205,1844,1870]" pageId="5" pageNumber="30" type="generic">1 specimen</specimenCount>
), whereas in 
<taxonomicName id="4C5E26A1FFA15963FD7D183FFE65FEC9" ID-CoL="36PZK" box="[304,453,284,309]" class="Polychaeta" family="Spionidae" genus="Dipolydora" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="31" phylum="Annelida" rank="species" species="trilobata">
<emphasis id="B92A8130FFA15963FD7D183FFE65FEC9" box="[304,453,284,309]" italics="true" pageId="6" pageNumber="31">D. trilobata</emphasis>
</taxonomicName>
they usually start on chaetiger 9 (
<specimenCount id="9D5896ABFFA15963FFD8183FFB9FFECA" box="[917,1087,284,310]" pageId="6" pageNumber="31" type="generic">46 specimens</specimenCount>
in 83 examined), occasionally on chaetiger 8 or 10 (23 and 
<specimenCount id="9D5896ABFFA15963FEBF1867FC30FEA2" box="[754,912,324,350]" pageId="6" pageNumber="31" type="generic">13 specimens</specimenCount>
in 83 examined, respectively), and rarely on chaetiger 7 (
<specimenCount id="9D5896ABFFA15963FE59184FFD3EFE7A" box="[532,670,364,390]" pageId="6" pageNumber="31" type="generic">1 specimen</specimenCount>
). Hooded hooks in 
<taxonomicName id="4C5E26A1FFA15963FFCA184FFC52FE79" ID-CoL="36PYW" box="[903,1010,364,389]" class="Polychaeta" family="Spionidae" genus="Dipolydora" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="31" phylum="Annelida" rank="species" species="giardi">
<emphasis id="B92A8130FFA15963FFCA184FFC52FE79" box="[903,1010,364,389]" italics="true" pageId="6" pageNumber="31">D. giardi</emphasis>
</taxonomicName>
are distinctly bidentate in all neuropodia, whereas in 
<taxonomicName id="4C5E26A1FFA15963FE0918B7FD6FFE51" ID-CoL="36PZK" box="[580,719,404,429]" class="Polychaeta" family="Spionidae" genus="Dipolydora" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="31" phylum="Annelida" rank="species" species="trilobata">
<emphasis id="B92A8130FFA15963FE0918B7FD6FFE51" box="[580,719,404,429]" italics="true" pageId="6" pageNumber="31">D. trilobata</emphasis>
</taxonomicName>
they become unidentate in 2–5 posterior chaetigers (
<bibRefCitation id="EFCF20D3FFA15963FD5D189FFDC3FE2A" author="Radashevsky" box="[272,611,444,470]" pageId="6" pageNumber="35" refString="Radashevsky, V. I. (1993) Revision of the genus Polydora and related genera from the North West Pacific (Polychaeta: Spionidae). Publications of the Seto Marine Biological Laboratory, 36, 1 - 60." type="book chapter" year="1993">
Radashevsky 1993: fig. 
<date id="FFE07BE2FFA15963FE74189FFDC3FE2A" box="[569,611,444,470]" pageId="6" pageNumber="31" value="1917-01">17I</date>
</bibRefCitation>
). A more fundamental difference may be that Mesnil's 
<taxonomicName id="4C5E26A1FFA15963F943189FFEEFFE01" ID-CoL="36PYW" class="Polychaeta" family="Spionidae" genus="Dipolydora" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="31" phylum="Annelida" rank="species" species="giardi">
<emphasis id="B92A8130FFA15963F943189FFEEFFE01" italics="true" pageId="6" pageNumber="31">D. giardi</emphasis>
</taxonomicName>
were reportedly simultaneous hermaphrodites (
<bibRefCitation id="EFCF20D3FFA15963FFEC18C7FB06FE02" author="Mesnil" box="[929,1190,484,510]" pageId="6" pageNumber="35" refString="Mesnil, F. (1896) Etudes de morphologie externe chez les Annelides. I. Les Spionidiens des cotes de la Manche. Bulletin scientifique de la France et de la Belgique, 29, 110 - 287." type="journal article" year="1896" yearSuffix="p">Mesnil 1896: p. 200</bibRefCitation>
) while 
<taxonomicName id="4C5E26A1FFA15963F94318C7FECEFDD9" ID-CoL="36PZK" class="Polychaeta" family="Spionidae" genus="Dipolydora" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="31" phylum="Annelida" rank="species" species="trilobata">
<emphasis id="B92A8130FFA15963F94318C7FECEFDD9" italics="true" pageId="6" pageNumber="31">D. trilobata</emphasis>
</taxonomicName>
is a gonochoristic species (Radashevsky unpublished). The description of gamete arrangement in 
<taxonomicName id="4C5E26A1FFA15963FDAA1B17FDC6FDB1" ID-CoL="36PYW" box="[487,614,564,589]" class="Polychaeta" family="Spionidae" genus="Dipolydora" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="31" phylum="Annelida" rank="species" species="giardi">
<emphasis id="B92A8130FFA15963FDAA1B17FDC6FDB1" box="[487,614,564,589]" italics="true" pageId="6" pageNumber="31">D. giardi</emphasis>
</taxonomicName>
provided by Mesnil is, however, ambiguous and hermaphroditism in the species needs to be confirmed by further studies.
</paragraph>
<paragraph id="8BE15D22FFA15963FD751BA7FAB5FC4A" blockId="6.[264,1323,284,950]" pageId="6" pageNumber="31">
<taxonomicName id="4C5E26A1FFA15963FD751BA7FD64FD62" ID-CoL="4L62D" authority="Moore, 1907" authorityName="Moore" authorityYear="1907" box="[312,708,644,670]" class="Polychaeta" family="Spionidae" genus="Polydora" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="31" phylum="Annelida" rank="species" species="anoculata">
<emphasis id="B92A8130FFA15963FD751BA7FD82FD61" box="[312,546,644,669]" italics="true" pageId="6" pageNumber="31">Polydora anoculata</emphasis>
<bibRefCitation id="EFCF20D3FFA15963FE661BA7FD64FD62" author="Moore" box="[555,708,644,670]" pageId="6" pageNumber="35" refString="Moore, J. P. (1907) Descriptions of new species of spioniform annelids. Proceedings of the Academy of Natural Sciences of Philadelphia. 59: 195 - 207." type="journal article" year="1907">Moore, 1907</bibRefCitation>
</taxonomicName>
from Massachusetts is also a similar species. 
<bibRefCitation id="EFCF20D3FFA15963F8AB1BA7FEF6FD3A" author="Blake" pageId="6" pageNumber="34" refString="Blake, J. A. (1971) Revision of the genus Polydora from the east coast of North America (Polychaeta: Spionidae). Smithsonian Contributions to Zoology, 75, 1 - 32." type="journal article" year="1971">Blake (1971)</bibRefCitation>
examined the 
<typeStatus id="54E5E380FFA15963FE491B8FFDCAFD3A" box="[516,618,684,710]" pageId="6" pageNumber="31" type="holotype">holotype</typeStatus>
and emended the diagnosis. Subsequently 
<bibRefCitation id="EFCF20D3FFA15963F82B1B8FFA8AFD3A" author="Maciolek" box="[1126,1322,684,710]" pageId="6" pageNumber="35" refString="Maciolek, N. J. (1984) A new species of Polydora (Polychaeta: Spionidae) from deep waters in the north-west Atlantic Ocean, and new records of other polydorid species. Sarsia, 69, 123 - 131." type="journal article" year="1984">Maciolek (1984)</bibRefCitation>
did not find differences between Moore’s and Mesnil’s species and placed 
<taxonomicName id="4C5E26A1FFA15963F8D81BF7FA8AFD11" ID-CoL="4L62D" box="[1173,1322,724,749]" class="Polychaeta" family="Spionidae" genus="Polydora" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="31" phylum="Annelida" rank="species" species="anoculata">
<emphasis id="B92A8130FFA15963F8D81BF7FA8AFD11" box="[1173,1322,724,749]" italics="true" pageId="6" pageNumber="31">P. anoculata</emphasis>
</taxonomicName>
into the synonymy of 
<taxonomicName id="4C5E26A1FFA15963FE451BDFFDCAFCE9" ID-CoL="36PYW" box="[520,618,764,789]" class="Polychaeta" family="Spionidae" genus="Dipolydora" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="31" phylum="Annelida" rank="species" species="giardi">
<emphasis id="B92A8130FFA15963FE451BDFFDCAFCE9" box="[520,618,764,789]" italics="true" pageId="6" pageNumber="31">P. giardi</emphasis>
</taxonomicName>
. 
<bibRefCitation id="EFCF20D3FFA15963FE341BDFFCB3FCEA" author="Blake" box="[633,787,764,790]" pageId="6" pageNumber="34" refString="Blake, J. A. (1971) Revision of the genus Polydora from the east coast of North America (Polychaeta: Spionidae). Smithsonian Contributions to Zoology, 75, 1 - 32." type="journal article" year="1971">Blake (1971)</bibRefCitation>
and 
<bibRefCitation id="EFCF20D3FFA15963FF061BDFFBAEFCEA" author="Maciolek" box="[843,1038,764,790]" pageId="6" pageNumber="35" refString="Maciolek, N. J. (1984) A new species of Polydora (Polychaeta: Spionidae) from deep waters in the north-west Atlantic Ocean, and new records of other polydorid species. Sarsia, 69, 123 - 131." type="journal article" year="1984">Maciolek (1984)</bibRefCitation>
reported that specimens from Massachusetts and North Carolina had the caruncle extending posteriorly to chaetiger 3–5, branchiae beginning from chaetiger 9–10, and the pygidium small and disclike, with only a dorsal notch. However, these characteristics indicate that 
<taxonomicName id="4C5E26A1FFA15963F8EE1A57FEDDFC49" ID-CoL="e794b687-39c2-467d-9011-302d8deb1683" class="Polychaeta" family="Spionidae" genus="Dipolydora" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="31" phylum="Annelida" rank="species" species="anoculata">
<emphasis id="B92A8130FFA15963F8EE1A57FEDDFC49" italics="true" pageId="6" pageNumber="31">Dipolydora anoculata</emphasis>
</taxonomicName>
is not only validly described, but also distinct from 
<taxonomicName id="4C5E26A1FFA15963FFAC1ABFFBEBFC49" ID-CoL="36PYW" box="[993,1099,924,949]" class="Polychaeta" family="Spionidae" genus="Dipolydora" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="31" phylum="Annelida" rank="species" species="giardi">
<emphasis id="B92A8130FFA15963FFAC1ABFFBEBFC49" box="[993,1099,924,949]" italics="true" pageId="6" pageNumber="31">D. giardi</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C5E26A1FFA15963F8C91ABFFAAEFC49" ID-CoL="36PZK" box="[1156,1294,924,949]" class="Polychaeta" family="Spionidae" genus="Dipolydora" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="31" phylum="Annelida" rank="species" species="trilobata">
<emphasis id="B92A8130FFA15963F8C91ABFFAAEFC49" box="[1156,1294,924,949]" italics="true" pageId="6" pageNumber="31">D. trilobata</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>