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<mods:title id="CB6D8A1DE3EE7DDBFDE8027C93E37647">Morphological revision of the Subgroup 1 Fauchald, 1970 of Marphysa de Quatrefages, 1865 (Eunicidae: Polychaeta)</mods:title>
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<heading id="1D26C23EFFE72155FF5BA642FCD7F9C8" bold="true" box="[151,883,1637,1663]" fontSize="11" level="1" pageId="47" pageNumber="48" reason="1">
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<taxonomicName id="81D10ED1FFE72155FF5BA642FCA5F9C8" ID-CoL="6TTQN" authority="(Marion &amp; Bobretzky, 1875)" authorityName="Molina-Acevedo" authorityYear="2018" baseAuthorityName="Marion &amp; Bobretzky" baseAuthorityYear="1875" box="[151,769,1637,1663]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="47" pageNumber="48" phylum="Annelida" rank="species" species="fallax" status="comb. nov.">
<emphasis id="74A5A940FFE72155FF5BA642FE33F9C8" bold="true" box="[151,407,1637,1663]" italics="true" pageId="47" pageNumber="48">Paucibranchia fallax</emphasis>
(
<bibRefCitation id="224008A3FFE72155FE6AA642FD5DF9C8" box="[422,761,1637,1663]" pageId="47" pageNumber="48" refId="ref56175" refString="Marion, A. F. &amp; Bobretzky, N. (1875) Etude des Annelides du golfe de Marseille. Annales des sciences naturelles, Paris, 6 (2), 1 - 106." type="journal article">Marion &amp; Bobretzky, 1875</bibRefCitation>
)
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<taxonomicNameLabel id="6F96143BFFE72155FCC4A642FCD7F9C8" box="[776,883,1637,1663]" pageId="47" pageNumber="48">n. comb.</taxonomicNameLabel>
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<figureCitation id="DEEA69D7FFE72155FF5BA6A0FE9EF917" box="[151,314,1671,1696]" captionStart-0="FIGURE 31" captionStart-1="FIGURE 32" captionStart-2="FIGURE 33" captionStart-3="FIGURE 34" captionStartId-0="48.[151,250,1960,1982]" captionStartId-1="49.[151,250,1108,1130]" captionStartId-2="50.[151,250,1808,1830]" captionStartId-3="52.[151,250,1526,1548]" captionTargetBox-0="[223,1365,193,1949]" captionTargetBox-1="[303,1304,233,1059]" captionTargetBox-2="[245,1341,193,1787]" captionTargetBox-3="[151,1402,345,1504]" captionTargetId-0="figure@48.[223,1365,193,1949]" captionTargetId-1="figure@49.[262,1324,193,1087]" captionTargetId-2="figure@50.[245,1341,193,1787]" captionTargetId-3="figure@52.[151,1435,339,1504]" captionTargetPageId-0="48" captionTargetPageId-1="49" captionTargetPageId-2="50" captionTargetPageId-3="52" captionText-0="FIGURE 31. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Body with branchiae, lateral view; B. Anterior end, dorsal view; C. Anterior end with branchiae, ventral view. Scale bars: A, 3.3 mm; B, C, 0.8 mm." captionText-1="FIGURE 32. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Maxillary apparatus, dorsal view; B. Mandibles. Scale bars: A, B, 0.3 mm." captionText-2="FIGURE 33. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Parapodium 3; B. Parapodium 18; C. Parapodium 36; D. Parapodium 70; E. Parapodium 106. All in anterior view. Scale bars: A, C, E, 0.19 mm; B, 0.23; D, 0.14." captionText-3="FIGURE 34. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Subacicular hook, chaetiger 36; B. Compound falciger with short blade, chaetiger 70; C. Falciger with long blade, chaetiger 3; D. Compound spiniger, chaetiger 3; E. Isodonts pectinate narrow with long and slender teeth, chaetiger 18; F. Isodonts pectinate narrow with short and slender teeth, chaetiger 36. Scale bars: A, C, 20 µm; B, 27 µm; D, 10 µm; E, 7 µm; F, 10 µm." httpUri-0="https://zenodo.org/record/1453095/files/figure.png" httpUri-1="https://zenodo.org/record/1453097/files/figure.png" httpUri-2="https://zenodo.org/record/1453099/files/figure.png" httpUri-3="https://zenodo.org/record/1453101/files/figure.png" pageId="47" pageNumber="48">Figures 3134</figureCitation>
,
<tableCitation id="0B5340E9FFE72155FE8AA6A0FE00F917" box="[326,420,1671,1696]" captionStart="TABLE 1" captionStartId="111.[151,239,152,175]" captionText="TABLE 1. Morphometric data on the pectinate chaetae of Paucibranchia n. gen. species. The species P. stragula n. comb. was not included in this list because its pectinate chaetae were broken. Abbreviations: WBB: width at base of blade; WPB: widest part of blade; BL: blade length; WIT: width of internal teeth; LIT: length of internal teeth." pageId="47" pageNumber="48">Tables 1</tableCitation>
,
<tableCitation id="0B5340E9FFE72155FE7DA6AFFE1BF917" box="[433,447,1672,1696]" captionStart="TABLE 3" captionStartId="114.[147,227,504,524]" captionText="TABLE 3. Morphological features of the Paucibranchia n. gen. species with compound falcigers and spinigers. Abbreviations: MF: Maxillary formula, roman numerals refer to number of maxilla; MxC: maxillary carriers; ClS: closing syste; COp: cavity openning; PR-I: first peristomial ring; PR-II: second peristomial ring; Chaet: chaetiger; p/a: present/absent; DC: dorsal cirri; PrBr: pre-branchial region; PoBr: postbranchial region; Bran: branchial region; Ant: anterior region; Post: posterior region." pageId="47" pageNumber="48">3</tableCitation>
</paragraph>
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<taxonomicName id="81D10ED1FFE72155FF5BA6EDFD4BF957" ID-CoL="3Y89L" authority="Marion &amp; Bobretzky in Marion, 1874: 399" authorityName="Marion &amp; Bobretzky in Marion" authorityPageNumber="399" authorityYear="1874" box="[151,751,1738,1760]" class="Polychaeta" family="Eunicidae" genus="Marphysa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="47" pageNumber="48" phylum="Annelida" rank="species" species="fallax">
<emphasis id="74A5A940FFE72155FF5BA6EDFE9AF957" box="[151,318,1738,1760]" italics="true" pageId="47" pageNumber="48">Marphysa fallax</emphasis>
Marion &amp; Bobretzky in
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:399
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<emphasis id="74A5A940FFE72155FD39A6ECFC27F957" box="[757,899,1738,1760]" italics="true" pageId="47" pageNumber="48">nomen nudum</emphasis>
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<treatmentCitationGroup id="66C1527CFFE72155FF5BA6CEFA3FF948" box="[151,1435,1769,1791]" pageId="47" pageNumber="48">
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<emphasis id="74A5A940FFE72155FF5BA6CEFE9AF948" box="[151,318,1769,1791]" italics="true" pageId="47" pageNumber="48">Marphysa fallax</emphasis>
<treatmentCitation id="C7705343FFE72155FE88A6CEFDD2F948" author="" box="[324,630,1769,1791]" page="13" pageId="47" pageNumber="48">
<bibRefCitation id="224008A3FFE72155FE88A6CEFDFEF948" box="[324,602,1769,1791]" pageId="47" pageNumber="48" refId="ref56175" refString="Marion, A. F. &amp; Bobretzky, N. (1875) Etude des Annelides du golfe de Marseille. Annales des sciences naturelles, Paris, 6 (2), 1 - 106." type="journal article">Marion &amp; Bobretzky, 1875</bibRefCitation>
:13
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15,
<figureCitation id="DEEA69D7FFE72155FD64A6CEFCB1F948" box="[680,789,1769,1791]" captionStart="FIGURE 1" captionStartId="6.[151,250,1846,1868]" captionTargetBox="[239,1357,218,1789]" captionTargetId="figure@6.[226,1361,195,1827]" captionTargetPageId="6" captionText="FIGURE 1. Maxillary apparatus. A. Paucibranchia disjuncta n. comb. (Hartman, 1961), LACM-AHF POLY 6447, dorsal view; B. Marphysa viridis Treadwell, 1917, ECOSUR-P2678, dorsal view; C. Treadwellphysa yucatanensis Molina-Acevedo &amp; Carrera-Parra, 2017, ECOSUR-P2811, dorsal view; D. Left MI-II-III-IV-V of P. disjuncta n. comb., dorsal view; E. Left MI- II-III-IV-V of M. viridis, dorsal view; F. Left MI-II-III-IV-V of T. yucatanensis, dorsal view. Scale bars: A, D, 0.4 mm; B, E, 0.45 mm; C, F, 0.25 mm. Dark and thin lines in D, E and F indicate the different forms in the MI of the apparatus of each species. fa= falcal arch, boe= basal outer edge, bie= basal inner edge, rp= rounded projection in base of MII." httpUri="https://zenodo.org/record/1453033/files/figure.png" pageId="47" pageNumber="48">Fig. 1AE</figureCitation>
;
<treatmentCitation id="C7705343FFE72155FCD3A6CEFC6DF948" author="" box="[799,969,1769,1791]" page="410" pageId="47" pageNumber="48">
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:410
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411, Fig. 162OU (
<emphasis id="74A5A940FFE72155FB51A6CDFB44F948" box="[1181,1248,1770,1791]" italics="true" pageId="47" pageNumber="48">partim</emphasis>
);
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:49
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<emphasis id="74A5A940FFE72155FF5BA701FE24F888" bold="true" box="[151,384,1830,1855]" pageId="47" pageNumber="48">Material examined.</emphasis>
<emphasis id="74A5A940FFE72155FE4AA700FDF7F888" box="[390,595,1830,1855]" italics="true" pageId="47" pageNumber="48">Non-type material</emphasis>
:
<specimenCode id="1677DD29FFE72155FDADA700FD4BF888" box="[609,751,1831,1855]" collectionCode="MNHN-A" pageId="47" pageNumber="48">MNHN-A39</specimenCode>
(1), Napoles, Mediterranean Sea, 1935,
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. MNHN-A132 (2), sta.
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, 25 m,
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<collectingCountry id="3EC635C2FFE72155FCFBA749FCCFF830" box="[823,875,1902,1927]" name="Italy" pageId="47" pageNumber="48">Italy</collectingCountry>
,
<collectingCounty id="AF0F0DDEFFE72155FCB6A749FBF0F830" box="[890,1108,1902,1927]" pageId="47" pageNumber="48">Mediterranean Sea</collectingCounty>
,
<collectingDate id="222BAA7AFFE72155FBAFA748FB5CF830" box="[1123,1272,1903,1927]" pageId="47" pageNumber="48" value="2001-10-10">
<date id="326F5392FFE72155FBAFA748FB5CF830" box="[1123,1272,1903,1927]" pageId="47" pageNumber="48" value="2001-10-10">10 Oct 2001</date>
</collectingDate>
,
<specimenCount id="50D7BEDBFFE72155FAC4A749FAE5F830" box="[1288,1345,1902,1927]" pageId="47" pageNumber="48" type="generic">15m.</specimenCount>
<specimenCode id="1677DD29FFE72155FA87A748FF5CF81C" collectionCode="USNM" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="47" pageNumber="48">USNM 1122624</specimenCode>
(1)
</materialsCitation>
, USNM 1122625 (1),
<materialsCitation id="F6B97F0FFFE72155FDE5A7B4FA3DF81C" ID-GBIF-Occurrence="1915273794" box="[553,1433,1938,1963]" collectionCode="USNM" country="Italy" location="Mediterranean Sea" pageId="47" pageNumber="48" specimenCode="USNM 1122626" specimenCount="1" stateProvince="Sardinia">
<specimenCode id="1677DD29FFE72155FDE5A7B4FD41F81C" box="[553,741,1938,1963]" collectionCode="USNM" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="47" pageNumber="48">USNM 1122626</specimenCode>
(1),
<collectingRegion id="8415BBB0FFE72155FCECA7B5FCD9F81C" box="[800,893,1938,1963]" country="Italy" name="Sardegna" pageId="47" pageNumber="48">Sardinia</collectingRegion>
coast,
<collectingCountry id="3EC635C2FFE72155FC1DA7B5FBA1F81C" box="[977,1029,1938,1963]" name="Italy" pageId="47" pageNumber="48">Italy</collectingCountry>
,
<location id="430E2389FFE72155FBDFA7B5FB4FF81C" LSID="urn:lsid:plazi:treatment:CE78C444FFE7214EFF5BA642FDF2FEAB:430E2389FFE72155FBDFA7B5FB4FF81C" box="[1043,1259,1938,1963]" country="Italy" name="Mediterranean Sea" pageId="47" pageNumber="48" stateProvince="Sardinia">Mediterranean Sea</location>
, summer 2001
</materialsCitation>
.
<materialsCitation id="F6B97F0FFFE72155FF5BA790FC34F878" ID-GBIF-Occurrence="1915273807" box="[151,912,1974,1999]" collectionCode="ZMB" collectorName="S. Heider" country="Croatia" location="Rovinj" municipality="Mediterranean Sea" pageId="47" pageNumber="48" specimenCode="ZMB 7597" specimenCount="1">
<specimenCode id="1677DD29FFE72155FF5BA790FEB0F878" box="[151,276,1974,1999]" collectionCode="ZMB" country="Germany" httpUri="http://grbio.org/cool/8syf-d21i" name="Museum f<>r Naturkunde Berlin (Zoological Collections)" pageId="47" pageNumber="48">ZMB 7597</specimenCode>
(1),
<location id="430E2389FFE72155FE87A791FE3EF878" LSID="urn:lsid:plazi:treatment:CE78C444FFE7214EFF5BA642FDF2FEAB:430E2389FFE72155FE87A791FE3EF878" box="[331,410,1974,1999]" country="Croatia" municipality="Mediterranean Sea" name="Rovinj" pageId="47" pageNumber="48">Rovinj</location>
,
<collectingCountry id="3EC635C2FFE72155FE6AA791FE5FF878" box="[422,507,1974,1999]" name="Croatia" pageId="47" pageNumber="48">Croatia</collectingCountry>
,
<collectingMunicipality id="A60AEF28FFE72155FDC4A791FD7AF878" box="[520,734,1974,1999]" pageId="47" pageNumber="48">Mediterranean Sea</collectingMunicipality>
, coll.
<collectorName id="EB241084FFE72155FCE8A790FC34F878" box="[804,912,1974,1999]" pageId="47" pageNumber="48">S. Heider</collectorName>
</materialsCitation>
.
<materialsCitation id="F6B97F0FFFE72155FC50A790FE44F844" ID-GBIF-Occurrence="1915273792" collectionCode="ZMB" collectorName="Grube, S. &amp; de Petris." country="Croatia" location="Cres Island" municipality="Adriatic Sea" pageId="47" pageNumber="48" specimenCode="ZMB 1852" specimenCount="1">
<specimenCode id="1677DD29FFE72155FC50A790FBBCF878" box="[924,1048,1974,1999]" collectionCode="ZMB" country="Germany" httpUri="http://grbio.org/cool/8syf-d21i" name="Museum f<>r Naturkunde Berlin (Zoological Collections)" pageId="47" pageNumber="48">ZMB 1852</specimenCode>
(3),
<location id="430E2389FFE72155FB9CA790FB76F878" LSID="urn:lsid:plazi:treatment:CE78C444FFE7214EFF5BA642FDF2FEAB:430E2389FFE72155FB9CA790FB76F878" box="[1104,1234,1974,1999]" country="Croatia" municipality="Adriatic Sea" name="Cres Island" pageId="47" pageNumber="48">Cres Island</location>
,
<collectingCountry id="3EC635C2FFE72155FB13A791FA90F878" box="[1247,1332,1974,1999]" name="Croatia" pageId="47" pageNumber="48">Croatia</collectingCountry>
,
<collectingMunicipality id="A60AEF28FFE72155FA8CA791FF66F844" pageId="47" pageNumber="48">Adriatic Sea</collectingMunicipality>
, coll.
<collectorName id="EB241084FFE72155FEC9A7FDFE44F844" box="[261,480,2010,2035]" pageId="47" pageNumber="48">Grube, S. de Petris.</collectorName>
</materialsCitation>
</paragraph>
</subSubSection>
<caption id="12AE25DAFFF8214AFF5BA78FFA32F86B" httpUri="https://zenodo.org/record/1453095/files/figure.png" pageId="48" pageNumber="49" startId="48.[151,250,1960,1982]" targetBox="[223,1365,193,1949]" targetPageId="48">
<paragraph id="466E7552FFF8214AFF5BA78FFA32F86B" blockId="48.[151,1436,1960,2012]" pageId="48" pageNumber="49">
<emphasis id="74A5A940FFF8214AFF5BA78FFE86F809" bold="true" box="[151,290,1960,1982]" pageId="48" pageNumber="49">FIGURE 31.</emphasis>
<taxonomicName id="81D10ED1FFF8214AFEE6A78FFC90F809" authority="(Marion &amp; Bobretzky, 1875)" authorityName="Molina-Acevedo" authorityYear="2018" baseAuthorityName="Marion &amp; Bobretzky" baseAuthorityYear="1875" box="[298,820,1960,1982]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="48" pageNumber="49" phylum="Annelida" rank="species" species="fallax" status="comb. nov.">
<emphasis id="74A5A940FFF8214AFEE6A78FFDA7F809" box="[298,515,1960,1982]" italics="true" pageId="48" pageNumber="49">Paucibranchia fallax</emphasis>
(Marion &amp; Bobretzky, 1875)
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFF8214AFCF1A78FFC38F809" box="[829,924,1960,1982]" pageId="48" pageNumber="49">
<emphasis id="74A5A940FFF8214AFCF1A78FFC38F809" bold="true" box="[829,924,1960,1982]" pageId="48" pageNumber="49">n. comb.</emphasis>
</taxonomicNameLabel>
, non-type MNHN-A39. A. Body with branchiae, lateral view; B. Anterior end, dorsal view; C. Anterior end with branchiae, ventral view. Scale bars: A, 3.3 mm; B, C, 0.8 mm.
</paragraph>
</caption>
<caption id="12AE25DAFFF9214BFF5BA473FD10FB3E" httpUri="https://zenodo.org/record/1453097/files/figure.png" pageId="49" pageNumber="50" startId="49.[151,250,1108,1130]" targetBox="[303,1304,233,1059]" targetPageId="49">
<paragraph id="466E7552FFF9214BFF5BA473FD10FB3E" blockId="49.[151,1436,1108,1161]" pageId="49" pageNumber="50">
<emphasis id="74A5A940FFF9214BFF5BA473FE86FBDD" bold="true" box="[151,290,1108,1130]" pageId="49" pageNumber="50">FIGURE 32.</emphasis>
<taxonomicName id="81D10ED1FFF9214BFEE7A473FC9DFBDD" authority="(Marion &amp; Bobretzky, 1875)" authorityName="Molina-Acevedo" authorityYear="2018" baseAuthorityName="Marion &amp; Bobretzky" baseAuthorityYear="1875" box="[299,825,1108,1130]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="49" pageNumber="50" phylum="Annelida" rank="species" species="fallax" status="comb. nov.">
<emphasis id="74A5A940FFF9214BFEE7A473FDA1FBDD" box="[299,517,1108,1130]" italics="true" pageId="49" pageNumber="50">Paucibranchia fallax</emphasis>
(Marion &amp; Bobretzky, 1875)
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFF9214BFC8FA473FC06FBDD" box="[835,930,1108,1130]" pageId="49" pageNumber="50">
<emphasis id="74A5A940FFF9214BFC8FA473FC06FBDD" bold="true" box="[835,930,1108,1130]" pageId="49" pageNumber="50">n. comb.</emphasis>
</taxonomicNameLabel>
, non-type MNHN-A39. A. Maxillary apparatus, dorsal view; B. Mandibles. Scale bars: A, B, 0.3 mm.
</paragraph>
</caption>
<subSubSection id="0ECB26D9FFF92149FF0BA497FA32FB72" lastPageId="51" lastPageNumber="52" pageId="49" pageNumber="50" type="description">
<paragraph id="466E7552FFF9214BFF0BA497FD56FAA6" blockId="49.[151,1437,1200,2017]" pageId="49" pageNumber="50">
<emphasis id="74A5A940FFF9214BFF0BA497FEFDFB7E" bold="true" box="[199,345,1200,1225]" pageId="49" pageNumber="50">Description.</emphasis>
Complete specimen (MNHN-A39), with 121 chaetigers, L10=
<quantity id="8129D8B7FFF9214BFBE7A496FB20FB7F" box="[1067,1156,1201,1225]" metricMagnitude="-3" metricUnit="m" metricValue="3.3" pageId="49" pageNumber="50" unit="mm" value="3.3">3.3 mm</quantity>
, W10=
<quantity id="8129D8B7FFF9214BFB2CA496FA9DFB7F" box="[1248,1337,1201,1225]" metricMagnitude="-3" metricUnit="m" metricValue="1.1" pageId="49" pageNumber="50" unit="mm" value="1.1">1.1 mm</quantity>
, TL=
<quantity id="8129D8B7FFF9214BFA4CA496FF62FB5B" metricMagnitude="-2" metricUnit="m" metricValue="2.2" pageId="49" pageNumber="50" unit="mm" value="22.0">22 mm</quantity>
. Anterior region of body with convex dorsum and flat ventrum, without groove; body depressed from chaetiger 10, widest at chaetiger 40, tapering after chaetiger 64.
</paragraph>
<paragraph id="466E7552FFF9214BFF0BA53BFB18FA73" blockId="49.[151,1437,1200,2017]" pageId="49" pageNumber="50">
Prostomium slightly bilobed,
<quantity id="8129D8B7FFF9214BFDDFA53BFDCDFA83" box="[531,617,1308,1333]" metricMagnitude="-4" metricUnit="m" metricValue="6.0" pageId="49" pageNumber="50" unit="mm" value="0.6">0.6 mm</quantity>
long,
<quantity id="8129D8B7FFF9214BFD62A53BFCA0FA83" box="[686,772,1308,1333]" metricMagnitude="-4" metricUnit="m" metricValue="6.0" pageId="49" pageNumber="50" unit="mm" value="0.6">0.6 mm</quantity>
wide, frontally rounded, without median sulcus (
<figureCitation id="DEEA69D7FFF9214BFAE5A53BFA2BFA82" box="[1321,1423,1308,1333]" captionStart="FIGURE 31" captionStartId="48.[151,250,1960,1982]" captionTargetBox="[223,1365,193,1949]" captionTargetId="figure@48.[223,1365,193,1949]" captionTargetPageId="48" captionText="FIGURE 31. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Body with branchiae, lateral view; B. Anterior end, dorsal view; C. Anterior end with branchiae, ventral view. Scale bars: A, 3.3 mm; B, C, 0.8 mm." httpUri="https://zenodo.org/record/1453095/files/figure.png" pageId="49" pageNumber="50">Fig. 31B</figureCitation>
), ventral sulcus deep (
<figureCitation id="DEEA69D7FFF9214BFE49A567FE4AFAEE" box="[389,494,1344,1369]" captionStart="FIGURE 31" captionStartId="48.[151,250,1960,1982]" captionTargetBox="[223,1365,193,1949]" captionTargetId="figure@48.[223,1365,193,1949]" captionTargetPageId="48" captionText="FIGURE 31. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Body with branchiae, lateral view; B. Anterior end, dorsal view; C. Anterior end with branchiae, ventral view. Scale bars: A, 3.3 mm; B, C, 0.8 mm." httpUri="https://zenodo.org/record/1453095/files/figure.png" pageId="49" pageNumber="50">Fig. 31C</figureCitation>
). Prostomial appendages in a semicircle, median antenna isolated by a gap. Palps reaching second peristomial ring; lateral antennae reaching the middle of second peristomial ring; median antenna reaching first chaetiger. Palpophores and ceratophores ring-shaped, short, thick; palpostyles and ceratostyles tapering, thick, without articulation. Eyes rounded, brown, between palps and lateral antennae.
</paragraph>
<paragraph id="466E7552FFF9214BFF0BA5F7FDECF986" blockId="49.[151,1437,1200,2017]" pageId="49" pageNumber="50">
Peristomium wider than prostomium (
<quantity id="8129D8B7FFF9214BFDB8A5F7FD68FA5F" box="[628,716,1488,1513]" metricMagnitude="-4" metricUnit="m" metricValue="6.0" pageId="49" pageNumber="50" unit="mm" value="0.6">0.6 mm</quantity>
long,
<quantity id="8129D8B7FFF9214BFCD8A5F6FCF2FA5F" box="[788,854,1489,1513]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="49" pageNumber="50" unit="mm" value="1.0">1 mm</quantity>
wide), first ring two times longer than second ring, separation between rings distinct on all sides (
<figureCitation id="DEEA69D7FFF9214BFD7CA5D3FC9AF9BA" box="[688,830,1524,1549]" captionStart="FIGURE 31" captionStartId="48.[151,250,1960,1982]" captionTargetBox="[223,1365,193,1949]" captionTargetId="figure@48.[223,1365,193,1949]" captionTargetPageId="48" captionText="FIGURE 31. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Body with branchiae, lateral view; B. Anterior end, dorsal view; C. Anterior end with branchiae, ventral view. Scale bars: A, 3.3 mm; B, C, 0.8 mm." httpUri="https://zenodo.org/record/1453095/files/figure.png" pageId="49" pageNumber="50">Fig. 31AC</figureCitation>
). Inferior lip with a slight central depression, with a couple of shallow wrinkles (
<figureCitation id="DEEA69D7FFF9214BFE19A63FFD9FF986" box="[469,571,1560,1585]" captionStart="FIGURE 31" captionStartId="48.[151,250,1960,1982]" captionTargetBox="[223,1365,193,1949]" captionTargetId="figure@48.[223,1365,193,1949]" captionTargetPageId="48" captionText="FIGURE 31. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Body with branchiae, lateral view; B. Anterior end, dorsal view; C. Anterior end with branchiae, ventral view. Scale bars: A, 3.3 mm; B, C, 0.8 mm." httpUri="https://zenodo.org/record/1453095/files/figure.png" pageId="49" pageNumber="50">Fig. 31C</figureCitation>
).
</paragraph>
<paragraph id="466E7552FFF9214BFF0BA61BFBD2F8C2" blockId="49.[151,1437,1200,2017]" pageId="49" pageNumber="50">
Maxillary apparatus with MF= 1+1, 7+7, 7+0, 4+10, 1+1 (
<figureCitation id="DEEA69D7FFF9214BFC96A61BFC67F9E2" box="[858,963,1596,1621]" captionStart="FIGURE 32" captionStartId="49.[151,250,1108,1130]" captionTargetBox="[303,1304,233,1059]" captionTargetId="figure@49.[262,1324,193,1087]" captionTargetPageId="49" captionText="FIGURE 32. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Maxillary apparatus, dorsal view; B. Mandibles. Scale bars: A, B, 0.3 mm." httpUri="https://zenodo.org/record/1453097/files/figure.png" pageId="49" pageNumber="50">Fig. 32A</figureCitation>
). Maxillary carriers 2.2 times shorter than length of MI. MI forceps-like; closing system 6.5 times shorter than length of MI; ligament between MI and MII sclerotized (
<figureCitation id="DEEA69D7FFF9214BFED3A6A3FE23F92A" box="[287,391,1668,1693]" captionStart="FIGURE 32" captionStartId="49.[151,250,1108,1130]" captionTargetBox="[303,1304,233,1059]" captionTargetId="figure@49.[262,1324,193,1087]" captionTargetPageId="49" captionText="FIGURE 32. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Maxillary apparatus, dorsal view; B. Mandibles. Scale bars: A, B, 0.3 mm." httpUri="https://zenodo.org/record/1453097/files/figure.png" pageId="49" pageNumber="50">Fig. 32A</figureCitation>
). MII wide; teeth recurved; cavity opening oval 2.5 times shorter than length of MII; ligament between MII and MIII, and right MIV, sclerotized (
<figureCitation id="DEEA69D7FFF9214BFD33A68FFCC8F976" box="[767,876,1704,1729]" captionStart="FIGURE 32" captionStartId="49.[151,250,1108,1130]" captionTargetBox="[303,1304,233,1059]" captionTargetId="figure@49.[262,1324,193,1087]" captionTargetPageId="49" captionText="FIGURE 32. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Maxillary apparatus, dorsal view; B. Mandibles. Scale bars: A, B, 0.3 mm." httpUri="https://zenodo.org/record/1453097/files/figure.png" pageId="49" pageNumber="50">Fig. 32A</figureCitation>
). MIII short; with blunt teeth; with rectangular attachment lamella, longer than wide, sclerotized, situated only in center of posterior edge of maxilla (
<figureCitation id="DEEA69D7FFF9214BFAEAA6EBFA34F952" box="[1318,1424,1740,1765]" captionStart="FIGURE 32" captionStartId="49.[151,250,1108,1130]" captionTargetBox="[303,1304,233,1059]" captionTargetId="figure@49.[262,1324,193,1087]" captionTargetPageId="49" captionText="FIGURE 32. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Maxillary apparatus, dorsal view; B. Mandibles. Scale bars: A, B, 0.3 mm." httpUri="https://zenodo.org/record/1453097/files/figure.png" pageId="49" pageNumber="50">Fig. 32A</figureCitation>
). Left MIV with larger three distal teeth; attachment lamella semicircle, wide, situated 2/3 along length of posterior edge of maxilla. Right MIV with larger distal teeth; attachment lamella semicircle, better developed in the middle, situated 2/3 along length of posterior edge (
<figureCitation id="DEEA69D7FFF9214BFD5FA71FFD5BF8E6" box="[659,767,1848,1873]" captionStart="FIGURE 32" captionStartId="49.[151,250,1108,1130]" captionTargetBox="[303,1304,233,1059]" captionTargetId="figure@49.[262,1324,193,1087]" captionTargetPageId="49" captionText="FIGURE 32. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Maxillary apparatus, dorsal view; B. Mandibles. Scale bars: A, B, 0.3 mm." httpUri="https://zenodo.org/record/1453097/files/figure.png" pageId="49" pageNumber="50">Fig. 32A</figureCitation>
). MV rectangular, longer than wide, with a short rounded tooth (
<figureCitation id="DEEA69D7FFF9214BFF2CA77BFEECF8C2" box="[224,328,1884,1909]" captionStart="FIGURE 32" captionStartId="49.[151,250,1108,1130]" captionTargetBox="[303,1304,233,1059]" captionTargetId="figure@49.[262,1324,193,1087]" captionTargetPageId="49" captionText="FIGURE 32. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Maxillary apparatus, dorsal view; B. Mandibles. Scale bars: A, B, 0.3 mm." httpUri="https://zenodo.org/record/1453097/files/figure.png" pageId="49" pageNumber="50">Fig. 32A</figureCitation>
). Mandibles dark; cutting plates whitish, with 8 growth rings (
<figureCitation id="DEEA69D7FFF9214BFBCFA77BFBCDF8C2" box="[1027,1129,1884,1909]" captionStart="FIGURE 32" captionStartId="49.[151,250,1108,1130]" captionTargetBox="[303,1304,233,1059]" captionTargetId="figure@49.[262,1324,193,1087]" captionTargetPageId="49" captionText="FIGURE 32. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Maxillary apparatus, dorsal view; B. Mandibles. Scale bars: A, B, 0.3 mm." httpUri="https://zenodo.org/record/1453097/files/figure.png" pageId="49" pageNumber="50">Fig. 32B</figureCitation>
).
</paragraph>
<paragraph id="466E7552FFF9214BFF0BA7A7FE3AF856" blockId="49.[151,1437,1200,2017]" pageId="49" pageNumber="50">
Branchiae pectinate with up to two filaments, in chaetigers 1648 (
<figureCitation id="DEEA69D7FFF9214BFC2BA7A7FBFBF82E" box="[999,1119,1920,1945]" captionStart="FIGURE 31" captionStartId="48.[151,250,1960,1982]" captionTargetBox="[223,1365,193,1949]" captionTargetId="figure@48.[223,1365,193,1949]" captionTargetPageId="48" captionText="FIGURE 31. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Body with branchiae, lateral view; B. Anterior end, dorsal view; C. Anterior end with branchiae, ventral view. Scale bars: A, 3.3 mm; B, C, 0.8 mm." httpUri="https://zenodo.org/record/1453095/files/figure.png" pageId="49" pageNumber="50">Figs. 31A</figureCitation>
;
<figureCitation id="DEEA69D7FFF9214BFBA3A7A6FB06F82E" box="[1135,1186,1921,1945]" captionStart="FIGURE 33" captionStartId="50.[151,250,1808,1830]" captionTargetBox="[245,1341,193,1787]" captionTargetId="figure@50.[245,1341,193,1787]" captionTargetPageId="50" captionText="FIGURE 33. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Parapodium 3; B. Parapodium 18; C. Parapodium 36; D. Parapodium 70; E. Parapodium 106. All in anterior view. Scale bars: A, C, E, 0.19 mm; B, 0.23; D, 0.14." httpUri="https://zenodo.org/record/1453099/files/figure.png" pageId="49" pageNumber="50">33C</figureCitation>
). One filament along chaetigers 1619; two filaments along chaetigers 2034; one filament along chaetigers 3548. Branchial filaments longer than dorsal cirri.
</paragraph>
<caption id="12AE25DAFFFA2148FF5BA737FEE4F8D4" httpUri="https://zenodo.org/record/1453099/files/figure.png" pageId="50" pageNumber="51" startId="50.[151,250,1808,1830]" targetBox="[245,1341,193,1787]" targetPageId="50">
<paragraph id="466E7552FFFA2148FF5BA737FEE4F8D4" blockId="50.[151,1436,1808,1891]" pageId="50" pageNumber="51">
<emphasis id="74A5A940FFFA2148FF5BA737FE80F891" bold="true" box="[151,292,1808,1830]" pageId="50" pageNumber="51">FIGURE 33.</emphasis>
<taxonomicName id="81D10ED1FFFA2148FEE3A737FCE2F891" authority="(Marion &amp; Bobretzky, 1875)" authorityName="Molina-Acevedo" authorityYear="2018" baseAuthorityName="Marion &amp; Bobretzky" baseAuthorityYear="1875" box="[303,838,1808,1830]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="50" pageNumber="51" phylum="Annelida" rank="species" species="fallax" status="comb. nov.">
<emphasis id="74A5A940FFFA2148FEE3A737FDAFF891" box="[303,523,1808,1830]" italics="true" pageId="50" pageNumber="51">Paucibranchia fallax</emphasis>
(Marion &amp; Bobretzky, 1875)
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFA2148FC9EA737FC17F891" box="[850,947,1808,1830]" pageId="50" pageNumber="51">
<emphasis id="74A5A940FFFA2148FC9EA737FC17F891" bold="true" box="[850,947,1808,1830]" pageId="50" pageNumber="51">n. comb.</emphasis>
</taxonomicNameLabel>
, non-type MNHN-A39. A. Parapodium 3; B. Parapodium 18; C. Parapodium 36; D. Parapodium 70; E. Parapodium 106. All in anterior view. Scale bars: A, C, E, 0.19 mm; B, 0.23; D, 0.14.
</paragraph>
</caption>
<paragraph id="466E7552FFFA2149FF0BA7ACFBC4FED3" blockId="50.[151,1437,1931,2028]" lastBlockId="51.[151,1437,151,2013]" lastPageId="51" lastPageNumber="52" pageId="50" pageNumber="51">
First two parapodia smallest; most developed in chaetigers 447, following ones becoming gradually smaller. Notopodial cirri conical, increasing in size from chaetiger 4 (Ldc4:
<quantity id="8129D8B7FFFA2148FC47A788FC56F870" box="[907,1010,1967,1991]" metricMagnitude="-4" metricUnit="m" metricValue="3.7" pageId="50" pageNumber="51" unit="mm" value="0.37">0.37 mm</quantity>
; Lcd18:
<quantity id="8129D8B7FFFA2148FB9FA788FB1FF870" box="[1107,1211,1967,1991]" metricMagnitude="-4" metricUnit="m" metricValue="4.699999999999999" pageId="50" pageNumber="51" unit="mm" value="0.47">0.47 mm</quantity>
), from chaetiger 29, gradually decreasing in size, in posterior region almost the same size to the pre-branchial region ones (Ldc186:
<quantity id="8129D8B7FFFB2149FF5BA0BFFEA5FF07" box="[151,257,152,176]" metricMagnitude="-4" metricUnit="m" metricValue="3.9" pageId="51" pageNumber="52" unit="mm" value="0.39">0.39 mm</quantity>
) (
<figureCitation id="DEEA69D7FFFB2149FED7A0B0FE03FF07" box="[283,423,151,176]" captionStart="FIGURE 33" captionStartId="50.[151,250,1808,1830]" captionTargetBox="[245,1341,193,1787]" captionTargetId="figure@50.[245,1341,193,1787]" captionTargetPageId="50" captionText="FIGURE 33. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Parapodium 3; B. Parapodium 18; C. Parapodium 36; D. Parapodium 70; E. Parapodium 106. All in anterior view. Scale bars: A, C, E, 0.19 mm; B, 0.23; D, 0.14." httpUri="https://zenodo.org/record/1453099/files/figure.png" pageId="51" pageNumber="52">Fig. 33AE</figureCitation>
). Prechaetal lobes as a transverse fold in all chaetigers (
<figureCitation id="DEEA69D7FFFB2149FBF1A0B0FB6DFF07" box="[1085,1225,151,176]" captionStart="FIGURE 33" captionStartId="50.[151,250,1808,1830]" captionTargetBox="[245,1341,193,1787]" captionTargetId="figure@50.[245,1341,193,1787]" captionTargetPageId="50" captionText="FIGURE 33. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Parapodium 3; B. Parapodium 18; C. Parapodium 36; D. Parapodium 70; E. Parapodium 106. All in anterior view. Scale bars: A, C, E, 0.19 mm; B, 0.23; D, 0.14." httpUri="https://zenodo.org/record/1453099/files/figure.png" pageId="51" pageNumber="52">Fig. 33AE</figureCitation>
). Chaetal lobes in chaetigers 124, rounded, shorter than postchaetal lobes, with aciculae emerging dorsal to midline; from chaetiger 25, triangular, longer than other lobes, with acicula emerging in midline (
<figureCitation id="DEEA69D7FFFB2149FC36A0F8FB22FF4F" box="[1018,1158,223,248]" captionStart="FIGURE 33" captionStartId="50.[151,250,1808,1830]" captionTargetBox="[245,1341,193,1787]" captionTargetId="figure@50.[245,1341,193,1787]" captionTargetPageId="50" captionText="FIGURE 33. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Parapodium 3; B. Parapodium 18; C. Parapodium 36; D. Parapodium 70; E. Parapodium 106. All in anterior view. Scale bars: A, C, E, 0.19 mm; B, 0.23; D, 0.14." httpUri="https://zenodo.org/record/1453099/files/figure.png" pageId="51" pageNumber="52">Fig. 33AE</figureCitation>
). Postchaetal lobes best developed in chaetigers 128, bluntly conical; decreasing in size in chaetiger 1128, following ones inconspicuous (
<figureCitation id="DEEA69D7FFFB2149FF53A100FE8CFEF7" box="[159,296,295,320]" captionStart="FIGURE 33" captionStartId="50.[151,250,1808,1830]" captionTargetBox="[245,1341,193,1787]" captionTargetId="figure@50.[245,1341,193,1787]" captionTargetPageId="50" captionText="FIGURE 33. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Parapodium 3; B. Parapodium 18; C. Parapodium 36; D. Parapodium 70; E. Parapodium 106. All in anterior view. Scale bars: A, C, E, 0.19 mm; B, 0.23; D, 0.14." httpUri="https://zenodo.org/record/1453099/files/figure.png" pageId="51" pageNumber="52">Fig. 33AE</figureCitation>
). Ventral cirri digitiform in chaetigers 16; in chaetigers 726 with oval swollen base and digitiform tip; from chaeriger 27, digitiform, gradually reducing in size posteriorly (
<figureCitation id="DEEA69D7FFFB2149FC07A16BFBF7FED3" box="[971,1107,332,357]" captionStart="FIGURE 33" captionStartId="50.[151,250,1808,1830]" captionTargetBox="[245,1341,193,1787]" captionTargetId="figure@50.[245,1341,193,1787]" captionTargetPageId="50" captionText="FIGURE 33. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Parapodium 3; B. Parapodium 18; C. Parapodium 36; D. Parapodium 70; E. Parapodium 106. All in anterior view. Scale bars: A, C, E, 0.19 mm; B, 0.23; D, 0.14." httpUri="https://zenodo.org/record/1453099/files/figure.png" pageId="51" pageNumber="52">Fig. 33AE</figureCitation>
).
</paragraph>
<paragraph id="466E7552FFFB2149FF0BA148FD7DFE1A" blockId="51.[151,1437,151,2013]" pageId="51" pageNumber="52">
Aciculae blunt, translucent (
<figureCitation id="DEEA69D7FFFB2149FDDDA148FD3AFE3F" box="[529,670,367,392]" captionStart="FIGURE 33" captionStartId="50.[151,250,1808,1830]" captionTargetBox="[245,1341,193,1787]" captionTargetId="figure@50.[245,1341,193,1787]" captionTargetPageId="50" captionText="FIGURE 33. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Parapodium 3; B. Parapodium 18; C. Parapodium 36; D. Parapodium 70; E. Parapodium 106. All in anterior view. Scale bars: A, C, E, 0.19 mm; B, 0.23; D, 0.14." httpUri="https://zenodo.org/record/1453099/files/figure.png" pageId="51" pageNumber="52">Fig. 33AE</figureCitation>
). First 13 chaetigers with 3 aciculae; in chaetigers 1419 with 2 aciculae; from chaetigers 20, with only one acicula.
</paragraph>
<paragraph id="466E7552FFFB2149FF0BA190FED3FCEB" blockId="51.[151,1437,151,2013]" pageId="51" pageNumber="52">
Limbate chaetae of two sizes in same chaetiger, larger in anterior region, reduced in number around chaetiger 15. Two
<typeStatus id="996ACBF0FFFB2149FF32A1FAFE9DFE42" box="[254,313,477,501]" pageId="51" pageNumber="52">types</typeStatus>
of pectinate chaetae, in anterior chaetigers isodonts narrow with long and slender teeth, with 12 pectinate, with up to 1112 teeth, with transverse distal edge (
<figureCitation id="DEEA69D7FFFB2149FC97A1D8FC66FDAF" box="[859,962,511,536]" captionStart="FIGURE 34" captionStartId="52.[151,250,1526,1548]" captionTargetBox="[151,1402,345,1504]" captionTargetId="figure@52.[151,1435,339,1504]" captionTargetPageId="52" captionText="FIGURE 34. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Subacicular hook, chaetiger 36; B. Compound falciger with short blade, chaetiger 70; C. Falciger with long blade, chaetiger 3; D. Compound spiniger, chaetiger 3; E. Isodonts pectinate narrow with long and slender teeth, chaetiger 18; F. Isodonts pectinate narrow with short and slender teeth, chaetiger 36. Scale bars: A, C, 20 µm; B, 27 µm; D, 10 µm; E, 7 µm; F, 10 µm." httpUri="https://zenodo.org/record/1453101/files/figure.png" pageId="51" pageNumber="52">Fig. 34E</figureCitation>
); in median-posterior chaetigers, isodonts narrow with short and slender teeth, with 34 pectinate, with up to 12 teeth, with transverse distal edge (
<figureCitation id="DEEA69D7FFFB2149FAE0A203FA2BFD8B" box="[1324,1423,548,573]" captionStart="FIGURE 34" captionStartId="52.[151,250,1526,1548]" captionTargetBox="[151,1402,345,1504]" captionTargetId="figure@52.[151,1435,339,1504]" captionTargetPageId="52" captionText="FIGURE 34. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Subacicular hook, chaetiger 36; B. Compound falciger with short blade, chaetiger 70; C. Falciger with long blade, chaetiger 3; D. Compound spiniger, chaetiger 3; E. Isodonts pectinate narrow with long and slender teeth, chaetiger 18; F. Isodonts pectinate narrow with short and slender teeth, chaetiger 36. Scale bars: A, C, 20 µm; B, 27 µm; D, 10 µm; E, 7 µm; F, 10 µm." httpUri="https://zenodo.org/record/1453101/files/figure.png" pageId="51" pageNumber="52">Fig. 34F</figureCitation>
). Compound spinigers in chaetigers 126, three or four per chaetiger, with all blades of similar size (
<figureCitation id="DEEA69D7FFFB2149FAE8A260FA34FDD7" box="[1316,1424,583,608]" captionStart="FIGURE 34" captionStartId="52.[151,250,1526,1548]" captionTargetBox="[151,1402,345,1504]" captionTargetId="figure@52.[151,1435,339,1504]" captionTargetPageId="52" captionText="FIGURE 34. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Subacicular hook, chaetiger 36; B. Compound falciger with short blade, chaetiger 70; C. Falciger with long blade, chaetiger 3; D. Compound spiniger, chaetiger 3; E. Isodonts pectinate narrow with long and slender teeth, chaetiger 18; F. Isodonts pectinate narrow with short and slender teeth, chaetiger 36. Scale bars: A, C, 20 µm; B, 27 µm; D, 10 µm; E, 7 µm; F, 10 µm." httpUri="https://zenodo.org/record/1453101/files/figure.png" pageId="51" pageNumber="52">Fig. 34D</figureCitation>
). Compound falcigers in all chaetigers, more abundant than spinigers; in anterior region (first 22 chaetigers) with all blades of similar size (56 µm,
<figureCitation id="DEEA69D7FFFB2149FE31A2A8FDC2FD1F" box="[509,614,655,680]" captionStart="FIGURE 34" captionStartId="52.[151,250,1526,1548]" captionTargetBox="[151,1402,345,1504]" captionTargetId="figure@52.[151,1435,339,1504]" captionTargetPageId="52" captionText="FIGURE 34. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Subacicular hook, chaetiger 36; B. Compound falciger with short blade, chaetiger 70; C. Falciger with long blade, chaetiger 3; D. Compound spiniger, chaetiger 3; E. Isodonts pectinate narrow with long and slender teeth, chaetiger 18; F. Isodonts pectinate narrow with short and slender teeth, chaetiger 36. Scale bars: A, C, 20 µm; B, 27 µm; D, 10 µm; E, 7 µm; F, 10 µm." httpUri="https://zenodo.org/record/1453101/files/figure.png" pageId="51" pageNumber="52">Fig. 34C</figureCitation>
); all with triangular teeth, of similar size, distal tooth directed upward, proximal tooth directed laterally; in median-posterior chaetigers with all blades of similar size, shorter than blades of anterior chaetigers (38 µm,
<figureCitation id="DEEA69D7FFFB2149FDC4A2F0FDD6FD47" box="[520,626,727,752]" captionStart="FIGURE 34" captionStartId="52.[151,250,1526,1548]" captionTargetBox="[151,1402,345,1504]" captionTargetId="figure@52.[151,1435,339,1504]" captionTargetPageId="52" captionText="FIGURE 34. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Subacicular hook, chaetiger 36; B. Compound falciger with short blade, chaetiger 70; C. Falciger with long blade, chaetiger 3; D. Compound spiniger, chaetiger 3; E. Isodonts pectinate narrow with long and slender teeth, chaetiger 18; F. Isodonts pectinate narrow with short and slender teeth, chaetiger 36. Scale bars: A, C, 20 µm; B, 27 µm; D, 10 µm; E, 7 µm; F, 10 µm." httpUri="https://zenodo.org/record/1453101/files/figure.png" pageId="51" pageNumber="52">Fig. 34B</figureCitation>
), with triangular teeth, of similar size, distal tooth directed upward, proximal tooth directed laterally. Subacicular hooks bidentate, translucent, starting in chaetiger 22, with one per chaetiger; with triangular teeth, distal tooth smaller than proximal, directed upward; proximal tooth directed laterally (
<figureCitation id="DEEA69D7FFFB2149FECEA363FECEFCEB" box="[258,362,836,861]" captionStart="FIGURE 34" captionStartId="52.[151,250,1526,1548]" captionTargetBox="[151,1402,345,1504]" captionTargetId="figure@52.[151,1435,339,1504]" captionTargetPageId="52" captionText="FIGURE 34. Paucibranchia fallax (Marion &amp; Bobretzky, 1875) n. comb., non-type MNHN-A39. A. Subacicular hook, chaetiger 36; B. Compound falciger with short blade, chaetiger 70; C. Falciger with long blade, chaetiger 3; D. Compound spiniger, chaetiger 3; E. Isodonts pectinate narrow with long and slender teeth, chaetiger 18; F. Isodonts pectinate narrow with short and slender teeth, chaetiger 36. Scale bars: A, C, 20 µm; B, 27 µm; D, 10 µm; E, 7 µm; F, 10 µm." httpUri="https://zenodo.org/record/1453101/files/figure.png" pageId="51" pageNumber="52">Fig. 34A</figureCitation>
).
</paragraph>
<paragraph id="466E7552FFFB2149FF0BA340FEEBFC12" blockId="51.[151,1437,151,2013]" pageId="51" pageNumber="52">Pygidium with two pairs of anal cirri; dorsal pair as long as last 11 chaetigers; ventral pair short, as long as last three chaetigers.</paragraph>
<paragraph id="466E7552FFFB2149FF0BA388FA32FB72" blockId="51.[151,1437,151,2013]" pageId="51" pageNumber="52">
<emphasis id="74A5A940FFFB2149FF0BA388FE9BFC7F" bold="true" box="[199,319,943,968]" pageId="51" pageNumber="52">Variation.</emphasis>
Material examined varied in the following features: L10=
<quantity id="8129D8B7FFFB2149FC2CA388FBCFFC70" box="[992,1131,943,968]" metricMagnitude="-3" metricUnit="m" metricValue="3.75" metricValueMax="4.9" metricValueMin="2.6" pageId="51" pageNumber="52" unit="mm" value="3.75" valueMax="4.9" valueMin="2.6">2.64.9 mm</quantity>
, W10=
<quantity id="8129D8B7FFFB2149FB04A388FAF7FC70" box="[1224,1363,943,968]" metricMagnitude="-4" metricUnit="m" metricValue="8.5" metricValueMax="11.0" metricValueMin="6.0" pageId="51" pageNumber="52" unit="mm" value="0.85" valueMax="1.1" valueMin="0.6">0.61.1 mm</quantity>
. Palps reaching middle of the first peristomial ring or second peristomial ring. Lateral and median antennae reaching second peristomial ring or first chaetiger. The maxillary formula varies as follows: MII 78+67, MIII 78, MIV 34+810. The proportion of maxillary apparatus varies as follows: maxillary carriers with respect to the MI varies 22.5 times; closing system with respect to the MI varies 67 times; cavity opening with respect to MII varies 2.5 4 times. Branchiae from chaetigers 1516 to 2848. Maximum number of branchial filaments varied from 1 to 3. Well developed postchaetal lobe in first 1428 chaetigers. Ventral cirri with swollen base from chaetigers
<date id="326F5392FFFB2149FA9FA4A0FF45FB73" pageId="51" pageNumber="52" value="1932-06-07" valueMax="1932-06-22" valueMin="1932-06-07">67 to 2232</date>
. Start of subacicular hooks in chaetigers 2025. Compound spinigers present only in first 1926 chaetigers.
</paragraph>
</subSubSection>
<subSubSection id="0ECB26D9FFFB2149FF0BA4E8FB3FFB50" box="[199,1179,1231,1256]" pageId="51" pageNumber="52" type="distribution">
<paragraph id="466E7552FFFB2149FF0BA4E8FB3FFB50" blockId="51.[151,1437,151,2013]" box="[199,1179,1231,1256]" pageId="51" pageNumber="52">
<emphasis id="74A5A940FFFB2149FF0BA4E8FEC4FB5F" bold="true" box="[199,352,1231,1256]" pageId="51" pageNumber="52">Distribution.</emphasis>
West and central region of Mediterranean Sea, and North-West
<collectingCountry id="3EC635C2FFFB2149FBE2A4F7FB33FB50" box="[1070,1175,1232,1255]" name="Morocco" pageId="51" pageNumber="52">Morocco</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection id="0ECB26D9FFFB214EFF0BA4D3FDF2FEAB" lastPageId="52" lastPageNumber="53" pageId="51" pageNumber="52" type="discussion">
<paragraph id="466E7552FFFB2149FF0BA4D3FE05FACF" blockId="51.[151,1437,151,2013]" pageId="51" pageNumber="52">
<emphasis id="74A5A940FFFB2149FF0BA4D3FE9FFABA" bold="true" box="[199,315,1268,1293]" pageId="51" pageNumber="52">Remarks.</emphasis>
This species is unique within
<taxonomicName id="81D10ED1FFFB2149FD51A4D3FCE0FABA" authority="Molina-Acevedo, 2018" authorityName="Molina-Acevedo" authorityYear="2018" box="[669,836,1268,1293]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="51" pageNumber="52" phylum="Annelida" rank="genus" status="gen. nov.">
<emphasis id="74A5A940FFFB2149FD51A4D3FCE0FABA" box="[669,836,1268,1293]" italics="true" pageId="51" pageNumber="52">Paucibranchia</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFB2149FC81A4D3FC3BFABA" box="[845,927,1268,1293]" pageId="51" pageNumber="52" rank="genus">
<emphasis id="74A5A940FFFB2149FC81A4D3FC3BFABA" bold="true" box="[845,927,1268,1293]" pageId="51" pageNumber="52">n. gen.</emphasis>
</taxonomicNameLabel>
by having the highest number of chaetigers with branchiae (32 chaetigers) and the lowest number of branchial filaments present (23 filaments). Although specimens with only 2 branchial filaments appear to have palmate branchiae, in specimens with three filaments the branchiae are pectinate.
</paragraph>
<paragraph id="466E7552FFFB2149FF0BA5A3FD9DFA53" blockId="51.[151,1437,151,2013]" pageId="51" pageNumber="52">
The
<typeStatus id="996ACBF0FFFB2149FF37A5A2FE8FFA2A" box="[251,299,1413,1437]" pageId="51" pageNumber="52">type</typeStatus>
material is lost; therefore, it would be necessary to find topotypic specimens or near to the locality (
<collectingRegion id="8415BBB0FFFB2149FF52A58FFF5AFA77" box="[158,254,1448,1472]" country="Monaco" name="Monaco-Ville" pageId="51" pageNumber="52">
<collectingCountry id="3EC635C2FFFB2149FF52A58FFF5AFA77" box="[158,254,1448,1472]" name="Monaco" pageId="51" pageNumber="52">Monaco</collectingCountry>
</collectingRegion>
,
<collectingCountry id="3EC635C2FFFB2149FEC6A58FFEFCFA77" box="[266,344,1448,1472]" name="France" pageId="51" pageNumber="52">France</collectingCountry>
) in order to establish a
<typeStatus id="996ACBF0FFFB2149FDAEA58FFD1AFA77" box="[610,702,1448,1472]" pageId="51" pageNumber="52" type="neotype">neotype</typeStatus>
. The specimens studied here match the descriptions of
<bibRefCitation id="224008A3FFFB2149FAE0A580FEF9FA52" pageId="51" pageNumber="52" refId="ref56175" refString="Marion, A. F. &amp; Bobretzky, N. (1875) Etude des Annelides du golfe de Marseille. Annales des sciences naturelles, Paris, 6 (2), 1 - 106." type="journal article">Marion &amp; Bobretzky (1875)</bibRefCitation>
and
<bibRefCitation id="224008A3FFFB2149FE58A5EBFD91FA53" box="[404,565,1484,1509]" pageId="51" pageNumber="52" refId="ref54525" refString="Fauvel, P. (1923) Polychetes errantes. Faune de France, 5, 1 - 488." type="journal article">Fauvel (1923)</bibRefCitation>
.
</paragraph>
<paragraph id="466E7552FFFB2149FF0BA5C8FDD7F920" blockId="51.[151,1437,151,2013]" pageId="51" pageNumber="52">
The species has been reported from the west-central region of the Mediterranean Sea and north of
<collectingCountry id="3EC635C2FFFB2149FAFBA5D7FA38F9B0" box="[1335,1436,1520,1543]" name="Morocco" pageId="51" pageNumber="52">Morocco</collectingCountry>
(Atlantic Ocean). Likewise,
<bibRefCitation id="224008A3FFFB2149FE1BA633FDD2F99B" box="[471,630,1556,1581]" pageId="51" pageNumber="52" refId="ref54525" refString="Fauvel, P. (1923) Polychetes errantes. Faune de France, 5, 1 - 488." type="journal article">Fauvel (1923)</bibRefCitation>
reported a specimen from Dinard,
<collectingCountry id="3EC635C2FFFB2149FBC9A632FBF5F99B" box="[1029,1105,1557,1580]" name="France" pageId="51" pageNumber="52">France</collectingCountry>
(English Channel); however, the specimen does not match
<taxonomicName id="81D10ED1FFFB2149FE27A61EFDECF9E7" authorityName="Molina-Acevedo" authorityYear="2018" baseAuthorityName="Marion &amp; Bobretzky" baseAuthorityYear="1875" box="[491,584,1591,1616]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="51" pageNumber="52" phylum="Annelida" rank="species" species="fallax" status="comb. nov.">
<emphasis id="74A5A940FFFB2149FE27A61EFDECF9E7" box="[491,584,1591,1616]" italics="true" pageId="51" pageNumber="52">P. fallax</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFB2149FD9DA610FD1CF9E7" box="[593,696,1591,1616]" pageId="51" pageNumber="52">
<emphasis id="74A5A940FFFB2149FD9DA610FD1CF9E7" bold="true" box="[593,696,1591,1616]" pageId="51" pageNumber="52">n. comb.</emphasis>
</taxonomicNameLabel>
but is most similar to
<taxonomicName id="81D10ED1FFFB2149FC72A61EFBFDF9E7" authorityName="" baseAuthorityName="Montagu" baseAuthorityYear="1813" box="[958,1113,1593,1616]" class="Polychaeta" family="Eunicidae" genus="Marphysa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="51" pageNumber="52" phylum="Annelida" rank="species" species="sanguinea">
<emphasis id="74A5A940FFFB2149FC72A61EFBFDF9E7" box="[958,1113,1593,1616]" italics="true" pageId="51" pageNumber="52">M. sanguinea</emphasis>
</taxonomicName>
in lack of falcigers, and the branchiae and ventral cirri with swollen bases are distributed along the body. Thus, the distribution of
<taxonomicName id="81D10ED1FFFB2149FAEDA67AFAD9F9C2" authorityName="Molina-Acevedo" authorityYear="2018" baseAuthorityName="Marion &amp; Bobretzky" baseAuthorityYear="1875" box="[1313,1405,1628,1653]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="51" pageNumber="52" phylum="Annelida" rank="species" species="fallax" status="comb. nov.">
<emphasis id="74A5A940FFFB2149FAEDA67AFAD9F9C2" box="[1313,1405,1628,1653]" italics="true" pageId="51" pageNumber="52">P. fallax</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFB2149FA49A67BFF7BF92F" pageId="51" pageNumber="52">
<emphasis id="74A5A940FFFB2149FA49A67BFF7BF92F" bold="true" pageId="51" pageNumber="52">n. comb.</emphasis>
</taxonomicNameLabel>
is doubtful in this region of
<collectingCountry id="3EC635C2FFFB2149FDD3A6A7FDCBF920" box="[543,623,1664,1687]" name="France" pageId="51" pageNumber="52">France</collectingCountry>
.
</paragraph>
<paragraph id="466E7552FFFB214EFF0BA683FDF2FEAB" blockId="51.[151,1437,151,2013]" lastBlockId="52.[151,1436,151,285]" lastPageId="52" lastPageNumber="53" pageId="51" pageNumber="52">
<taxonomicName id="81D10ED1FFFB2149FF0BA683FE11F90A" authorityName="Molina-Acevedo" authorityYear="2018" baseAuthorityName="Marion &amp; Bobretzky" baseAuthorityYear="1875" box="[199,437,1700,1725]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="51" pageNumber="52" phylum="Annelida" rank="species" species="fallax" status="comb. nov.">
<emphasis id="74A5A940FFFB2149FF0BA683FE11F90A" box="[199,437,1700,1725]" italics="true" pageId="51" pageNumber="52">Paucibranchia fallax</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFB2149FE71A683FD87F90A" box="[445,547,1700,1725]" pageId="51" pageNumber="52">
<emphasis id="74A5A940FFFB2149FE71A683FD87F90A" bold="true" box="[445,547,1700,1725]" pageId="51" pageNumber="52">n. comb.</emphasis>
</taxonomicNameLabel>
resembles
<taxonomicName id="81D10ED1FFFB2149FD68A682FCB8F90B" authority="Molina-Acevedo, 2018" authorityName="Molina-Acevedo" authorityYear="2018" box="[676,796,1701,1724]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="51" pageNumber="52" phylum="Annelida" rank="species" species="carrerai" status="sp. nov.">
<emphasis id="74A5A940FFFB2149FD68A682FCB8F90B" box="[676,796,1701,1724]" italics="true" pageId="51" pageNumber="52">P. carrerai</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFB2149FCE8A683FCC0F90A" box="[804,868,1700,1725]" pageId="51" pageNumber="52" rank="species">
<emphasis id="74A5A940FFFB2149FCE8A683FCC0F90A" bold="true" box="[804,868,1700,1725]" pageId="51" pageNumber="52">n. sp.</emphasis>
</taxonomicNameLabel>
,
<taxonomicName id="81D10ED1FFFB2149FCBFA683FBBDF90A" authorityName="Molina-Acevedo" authorityYear="2018" box="[883,1049,1700,1725]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="51" pageNumber="52" phylum="Annelida" rank="genus">
<emphasis id="74A5A940FFFB2149FCBFA683FBBDF90A" box="[883,1049,1700,1725]" italics="true" pageId="51" pageNumber="52">Paucibranchia</emphasis>
</taxonomicName>
sp. 1 and
<taxonomicName id="81D10ED1FFFB2149FB43A682FAADF90A" authorityName="Molina-Acevedo" authorityYear="2018" baseAuthorityName="Grube" baseAuthorityYear="1878" box="[1167,1289,1700,1725]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="51" pageNumber="52" phylum="Annelida" rank="species" species="stragula" status="comb. nov.">
<emphasis id="74A5A940FFFB2149FB43A682FAADF90A" box="[1167,1289,1700,1725]" italics="true" pageId="51" pageNumber="52">P. stragula</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFB2149FADDA683FADCF90A" box="[1297,1400,1700,1725]" pageId="51" pageNumber="52">
<emphasis id="74A5A940FFFB2149FADDA683FADCF90A" bold="true" box="[1297,1400,1700,1725]" pageId="51" pageNumber="52">n. comb.</emphasis>
</taxonomicNameLabel>
by having a translucent and bidentate form of subacicular hooks, and the presence of compound spinigers and falcigers. However, the
<taxonomicName id="81D10ED1FFFB2149FE6BA6CAFDA0F8B2" authorityName="Molina-Acevedo" authorityYear="2018" baseAuthorityName="Marion &amp; Bobretzky" baseAuthorityYear="1875" box="[423,516,1772,1797]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="51" pageNumber="52" phylum="Annelida" rank="species" species="fallax" status="comb. nov.">
<emphasis id="74A5A940FFFB2149FE6BA6CAFE11F8B3" box="[423,437,1773,1796]" italics="true" pageId="51" pageNumber="52">P</emphasis>
.
<emphasis id="74A5A940FFFB2149FE08A6CBFDA0F8B2" box="[452,516,1772,1797]" italics="true" pageId="51" pageNumber="52">fallax</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFB2149FDC1A6CBFDD0F8B2" box="[525,628,1772,1797]" pageId="51" pageNumber="52">
<emphasis id="74A5A940FFFB2149FDC1A6CBFDD0F8B2" bold="true" box="[525,628,1772,1797]" pageId="51" pageNumber="52">n. comb.</emphasis>
</taxonomicNameLabel>
differs from
<taxonomicName id="81D10ED1FFFB2149FCC1A6CAFC23F8B3" authority="Molina-Acevedo, 2018" authorityName="Molina-Acevedo" authorityYear="2018" box="[781,903,1773,1796]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="51" pageNumber="52" phylum="Annelida" rank="species" species="carrerai" status="sp. nov.">
<emphasis id="74A5A940FFFB2149FCC1A6CAFC23F8B3" box="[781,903,1773,1796]" italics="true" pageId="51" pageNumber="52">P. carrerai</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFB2149FC43A6CBFC74F8B2" box="[911,976,1772,1797]" pageId="51" pageNumber="52" rank="species">
<emphasis id="74A5A940FFFB2149FC43A6CBFC74F8B2" bold="true" box="[911,976,1772,1797]" pageId="51" pageNumber="52">n. sp.</emphasis>
</taxonomicNameLabel>
and
<taxonomicName id="81D10ED1FFFB2149FBC6A6CAFB20F8B2" authorityName="Molina-Acevedo" authorityYear="2018" baseAuthorityName="Grube" baseAuthorityYear="1878" box="[1034,1156,1772,1797]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="51" pageNumber="52" phylum="Annelida" rank="species" species="stragula" status="comb. nov.">
<emphasis id="74A5A940FFFB2149FBC6A6CAFB20F8B2" box="[1034,1156,1772,1797]" italics="true" pageId="51" pageNumber="52">P. stragula</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFB2149FB41A6CBFB51F8B2" box="[1165,1269,1772,1797]" pageId="51" pageNumber="52">
<emphasis id="74A5A940FFFB2149FB41A6CBFB51F8B2" bold="true" box="[1165,1269,1772,1797]" pageId="51" pageNumber="52">n. comb.</emphasis>
</taxonomicNameLabel>
because it has only one hook per chaetiger; whereas the latter two species have 6 and 14 subacicular hooks per chaetiger, respectively. Further, in
<taxonomicName id="81D10ED1FFFB2149FE66A712FDA3F8FA" authorityName="Molina-Acevedo" authorityYear="2018" baseAuthorityName="Marion &amp; Bobretzky" baseAuthorityYear="1875" box="[426,519,1844,1869]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="51" pageNumber="52" phylum="Annelida" rank="species" species="fallax" status="comb. nov.">
<emphasis id="74A5A940FFFB2149FE66A712FDA3F8FA" box="[426,519,1844,1869]" italics="true" pageId="51" pageNumber="52">P. fallax</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFB2149FDC3A713FDD2F8FA" box="[527,630,1844,1869]" pageId="51" pageNumber="52">
<emphasis id="74A5A940FFFB2149FDC3A713FDD2F8FA" bold="true" box="[527,630,1844,1869]" pageId="51" pageNumber="52">n. comb.</emphasis>
</taxonomicNameLabel>
dorsal cirri are almost the same size in pre- and postbranchial regions; whereas in
<taxonomicName id="81D10ED1FFFB2149FEDBA77EFE2BF8C7" authority="Molina-Acevedo, 2018" authorityName="Molina-Acevedo" authorityYear="2018" box="[279,399,1881,1904]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="51" pageNumber="52" phylum="Annelida" rank="species" species="carrerai" status="sp. nov.">
<emphasis id="74A5A940FFFB2149FEDBA77EFE2BF8C7" box="[279,399,1881,1904]" italics="true" pageId="51" pageNumber="52">P. carrerai</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFB2149FE5BA770FE73F8C7" box="[407,471,1879,1904]" pageId="51" pageNumber="52" rank="species">
<emphasis id="74A5A940FFFB2149FE5BA770FE73F8C7" bold="true" box="[407,471,1879,1904]" pageId="51" pageNumber="52">n. sp.</emphasis>
</taxonomicNameLabel>
dorsal cirri are two times longer in postbranchial region.
<taxonomicName id="81D10ED1FFFB2149FBAEA770FAA5F8C7" authorityName="Molina-Acevedo" authorityYear="2018" box="[1122,1281,1879,1904]" pageId="51" pageNumber="52" rank="subSpecies" status="comb. nov." subSpecies="fallax">
Also,
<emphasis id="74A5A940FFFB2149FB69A77EFAA5F8C7" box="[1189,1281,1879,1904]" italics="true" pageId="51" pageNumber="52">P. fallax</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFB2149FAC4A770FACBF8C7" box="[1288,1391,1879,1904]" pageId="51" pageNumber="52">
<emphasis id="74A5A940FFFB2149FAC4A770FACBF8C7" bold="true" box="[1288,1391,1879,1904]" pageId="51" pageNumber="52">n. comb.</emphasis>
</taxonomicNameLabel>
has postchaetal lobe bluntly conical in the pre-branchial region; whereas in
<taxonomicName id="81D10ED1FFFB2149FC1EA75AFBE9F822" authorityName="Molina-Acevedo" authorityYear="2018" baseAuthorityName="Grube" baseAuthorityYear="1878" box="[978,1101,1916,1941]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="51" pageNumber="52" phylum="Annelida" rank="species" species="stragula" status="comb. nov.">
<emphasis id="74A5A940FFFB2149FC1EA75AFBE9F822" box="[978,1101,1916,1941]" italics="true" pageId="51" pageNumber="52">P. stragula</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFB2149FB9AA75BFB1BF822" box="[1110,1215,1916,1941]" pageId="51" pageNumber="52">
<emphasis id="74A5A940FFFB2149FB9AA75BFB1BF822" bold="true" box="[1110,1215,1916,1941]" pageId="51" pageNumber="52">n. comb.</emphasis>
</taxonomicNameLabel>
postchaetal lobe is digitiform in same region.
<taxonomicName id="81D10ED1FFFB2149FE0DA787FDD3F80E" authorityName="Molina-Acevedo" authorityYear="2018" box="[449,631,1952,1977]" pageId="51" pageNumber="52" rank="subSpecies" status="comb. nov." subSpecies="fallax">
Finally,
<emphasis id="74A5A940FFFB2149FDD0A786FDD3F80E" box="[540,631,1952,1977]" italics="true" pageId="51" pageNumber="52">P. fallax</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFB2149FDB1A787FD46F80E" box="[637,738,1952,1977]" pageId="51" pageNumber="52">
<emphasis id="74A5A940FFFB2149FDB1A787FD46F80E" bold="true" box="[637,738,1952,1977]" pageId="51" pageNumber="52">n. comb.</emphasis>
</taxonomicNameLabel>
is different from
<taxonomicName id="81D10ED1FFFB2149FC6AA787FBE8F80E" authorityName="Molina-Acevedo" authorityYear="2018" box="[934,1100,1952,1977]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="51" pageNumber="52" phylum="Annelida" rank="genus">
<emphasis id="74A5A940FFFB2149FC6AA787FBE8F80E" box="[934,1100,1952,1977]" italics="true" pageId="51" pageNumber="52">Paucibranchia</emphasis>
</taxonomicName>
sp. 1 since postchaetal lobe is bluntly conical in branchial region, branchiae start in chaetiger 16 and finish in chaetiger 48, and have only two filaments (USNM 0 90007, L10:
<quantity id="8129D8B7FFFC214EFDC8A0BFFDFAFF07" box="[516,606,152,176]" metricMagnitude="-3" metricUnit="m" metricValue="2.9" pageId="52" pageNumber="53" unit="mm" value="2.9">2.9 mm</quantity>
); whereas in
<taxonomicName id="81D10ED1FFFC214EFD3CA0B0FC32FF07" authorityName="Molina-Acevedo" authorityYear="2018" box="[752,918,151,176]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="52" pageNumber="53" phylum="Annelida" rank="genus">
<emphasis id="74A5A940FFFC214EFD3CA0B0FC32FF07" box="[752,918,151,176]" italics="true" pageId="52" pageNumber="53">Paucibranchia</emphasis>
</taxonomicName>
sp. 1 the postchaetal lobe is wide basally with digitiform end in branchial chaetigers, branchiae are distributed from chaetiger 7 to 16 (ECOSUR-P2937, L10:
<quantity id="8129D8B7FFFC214EFAB5A09BFF60FF4F" metricMagnitude="-3" metricUnit="m" metricValue="3.3" pageId="52" pageNumber="53" unit="mm" value="3.3">3.3 mm</quantity>
) and have up to 6 filaments. The comparison with other
<taxonomicName id="81D10ED1FFFC214EFCF5A0F8FC7BFF4F" authorityName="Molina-Acevedo" authorityYear="2018" box="[825,991,223,248]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="52" pageNumber="53" phylum="Annelida" rank="genus">
<emphasis id="74A5A940FFFC214EFCF5A0F8FC7BFF4F" box="[825,991,223,248]" italics="true" pageId="52" pageNumber="53">Paucibranchia</emphasis>
</taxonomicName>
species having compound falcigers and spinigers present is provided in
<tableCitation id="0B5340E9FFFC214EFE30A123FDF5FEAB" box="[508,593,260,285]" captionStart="TABLE 3" captionStartId="114.[147,227,504,524]" captionText="TABLE 3. Morphological features of the Paucibranchia n. gen. species with compound falcigers and spinigers. Abbreviations: MF: Maxillary formula, roman numerals refer to number of maxilla; MxC: maxillary carriers; ClS: closing syste; COp: cavity openning; PR-I: first peristomial ring; PR-II: second peristomial ring; Chaet: chaetiger; p/a: present/absent; DC: dorsal cirri; PrBr: pre-branchial region; PoBr: postbranchial region; Bran: branchial region; Ant: anterior region; Post: posterior region." pageId="52" pageNumber="53">Table 3</tableCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>