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<document id="5C2234C9DF776DF3BD925FC23B9C9653" ID-CLB-Dataset="29196" ID-DOI="10.11646/zootaxa.4480.1.1" ID-GBIF-Dataset="ea720c19-6c5b-4a21-9d01-569dbbb22da1" ID-ISSN="1175-5326" ID-Zenodo-Dep="1453031" ID-ZooBank="0D3D99EC-107A-4D6B-B19E-52147C6C141E" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1539088217451" checkinUser="plazi" docAuthor="Molina-Acevedo, Isabel C." docDate="2018" docId="CE78C444FFFC214DFF5BA69FFD6AF86B" docLanguage="en" docName="zootaxa.4480.1.1.pdf" docOrigin="Zootaxa 4480 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Paucibranchia gathofi Molina-Acevedo 2018, n. sp." docType="treatment" docVersion="7" lastPageNumber="56" masterDocId="3241BC3CFFC8217AFFCCA027FFA4FFB7" masterDocTitle="Morphological revision of the Subgroup 1 Fauchald, 1970 of Marphysa de Quatrefages, 1865 (Eunicidae: Polychaeta)" masterLastPageNumber="125" masterPageNumber="1" pageNumber="53" updateTime="1698570071782" updateUser="ExternalLinkService">
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<mods:title id="9534A770BBBEC29FCBF681C3167962BF">Morphological revision of the Subgroup 1 Fauchald, 1970 of Marphysa de Quatrefages, 1865 (Eunicidae: Polychaeta)</mods:title>
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<paragraph id="466E7552FFFC214EFF5BA69FFE55F964" blockId="52.[151,816,1720,1813]" box="[151,497,1720,1747]" pageId="52" pageNumber="53">
<heading id="1D26C23EFFFC214EFF5BA69FFE55F964" bold="true" box="[151,497,1720,1747]" fontSize="11" level="1" pageId="52" pageNumber="53" reason="1">
<emphasis id="74A5A940FFFC214EFF5BA69FFE55F964" bold="true" box="[151,497,1720,1747]" pageId="52" pageNumber="53">
<taxonomicName id="81D10ED1FFFC214EFF5BA69FFE03F965" ID-CoL="75TQN" authority="Molina-Acevedo, 2018" authorityName="Molina-Acevedo" authorityYear="2018" box="[151,423,1720,1746]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="52" pageNumber="53" phylum="Annelida" rank="species" species="gathofi" status="sp. nov.">
<emphasis id="74A5A940FFFC214EFF5BA69FFE03F965" bold="true" box="[151,423,1720,1746]" italics="true" pageId="52" pageNumber="53">Paucibranchia gathofi</emphasis>
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<taxonomicNameLabel id="6F96143BFFFC214EFE63A69EFE55F964" box="[431,497,1721,1747]" pageId="52" pageNumber="53" rank="species">n. sp.</taxonomicNameLabel>
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<paragraph id="466E7552FFFC214EFF5BA6FCFE1BF943" blockId="52.[151,816,1720,1813]" box="[151,447,1755,1780]" pageId="52" pageNumber="53">
<figureCitation id="DEEA69D7FFFC214EFF5BA6FCFE9FF943" box="[151,315,1755,1780]" captionStart-0="FIGURE 35" captionStart-1="FIGURE 36" captionStart-2="FIGURE 37" captionStartId-0="53.[151,250,1982,2004]" captionStartId-1="54.[151,250,1478,1500]" captionStartId-2="56.[151,250,1562,1584]" captionTargetBox-0="[217,1374,193,1969]" captionTargetBox-1="[203,1383,193,1456]" captionTargetBox-2="[200,1410,190,1546]" captionTargetId-0="figure@53.[217,1374,193,1969]" captionTargetId-1="figure@54.[203,1383,193,1456]" captionTargetId-2="figure@56.[181,1410,190,1546]" captionTargetPageId-0="53" captionTargetPageId-1="54" captionTargetPageId-2="56" captionText-0="FIGURE 35. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Anterior end, dorsal view; B. Anterior end, ventral view; C. Anterior end with branchiae, dorsal view. Scale bars: AC, 0.3 mm." captionText-1="FIGURE 36. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Parapodium 5; B. Parapodium 22; C. Parapodium 55; D. Parapodium 69. All in anterior view. Scale bars: A, B, 0.20 mm; C, 90 µm; D, 0.12 mm." captionText-2="FIGURE 37. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Isodonts pectinate narrow with long and slender teeth, chaetiger 22; B. Isodonts pectinate narrow with short and slender teeth, chaetiger 59; C. Compound falciger, long blade, chaetiger 22; D. Compound falciger, median blade, chaetiger 22; E. Compound falciger, median blade, chaetiger 55; F. Compound falciger, short blade, chaetiger 55; G. Aciculae, chaetiger 55; H. Subacicular hook, chaetiger 55. Scale bars: A, 14 µm; B, 7 µm; C, 45 µm; D, 22.5 µm; E, 19 µm; F, 15 µm; G, 5 µm; H, 10.5 µm." httpUri-0="https://zenodo.org/record/1453103/files/figure.png" httpUri-1="https://zenodo.org/record/1453105/files/figure.png" httpUri-2="https://zenodo.org/record/1453107/files/figure.png" pageId="52" pageNumber="53">Figures 3537</figureCitation>
,
<tableCitation id="0B5340E9FFFC214EFE8AA6FCFE1BF943" box="[326,447,1755,1780]" captionStart-0="TABLE 1" captionStart-1="TABLE 2" captionStartId-0="111.[151,239,152,175]" captionStartId-1="112.[147,226,502,523]" captionText-0="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." captionText-1="TABLE 2. Morphological features of the Paucibranchia n. gen. species with compound falcigers. Abbreviations: MF: Maxillary formula, roman numerals refer to number of maxilla; MxC: maxillary carriers; CIS: closing system; Cop: cavity opening; 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">Tables 12</tableCitation>
</paragraph>
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<taxonomicName id="81D10ED1FFFC214EFF5BA6D8FF5AF8A2" ID-CoL="84Q23" authorityName="Molina-Acevedo" authorityYear="2018" box="[151,254,1791,1813]" class="Polychaeta" family="Eunicidae" genus="Marphysa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="52" pageNumber="53" phylum="Annelida" rank="genus">
<emphasis id="74A5A940FFFC214EFF5BA6D8FF5AF8A2" box="[151,254,1791,1813]" italics="true" pageId="52" pageNumber="53">Marphysa</emphasis>
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sp. A
<treatmentCitation id="C7705343FFFC214EFEF3A6D8FE45F8A2" author="" box="[319,481,1791,1813]" page="40" pageId="52" pageNumber="53">
<bibRefCitation id="224008A3FFFC214EFEF3A6D8FE66F8A2" box="[319,450,1791,1813]" pageId="52" pageNumber="53" refId="ref54658" refString="Gathof, J. M. (1984) Family Eunicidae Savigny, 1818; In: Uebelacker, J. M. &amp; Johnson P. G. (Eds.), Taxonomic guide to the polychaetes of the Northern Gulf of Mexico. Vol. 6. Barry A. Vittor &amp; Associates, Inc., Alabama, pp. 1 - 31." type="book chapter">Gathof 1984</bibRefCitation>
:40
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17,
<figureCitation id="DEEA69D7FFFC214EFDDDA6D8FD28F8A2" box="[529,652,1791,1813]" captionStart="FIGURE 40" captionStartId="59.[151,250,1692,1714]" captionTargetBox="[262,1324,193,1670]" captionTargetId="figure@59.[262,1324,193,1670]" captionTargetPageId="59" captionText="FIGURE 40. Paucibranchia gemmata (Mohammad, 1973) n. comb., holotype BNHM 1971.49. A. Parapodium 4, dorsal cirri with bent tip, postchaetal lobe broken; B. Parapodium 16; C. Parapodium 31; D. Parapodium 50; E. Parapodium 105. All in anterior view. Scale bars: A, D, E, 0.15 mm; B, 0.22 mm; C, 0.48 mm." httpUri="https://zenodo.org/record/1453113/files/figure.png" pageId="52" pageNumber="53">Figs. 4013</figureCitation>
,
<figureCitation id="DEEA69D7FFFC214EFD59A6D8FD69F8A2" box="[661,717,1791,1813]" captionStart="FIGURE 14" captionStartId="24.[151,250,1841,1863]" captionTargetBox="[267,1308,237,1792]" captionTargetId="figure@24.[259,1328,228,1792]" captionTargetPageId="24" captionText="FIGURE 14. Paucibranchia bellii (Audouin &amp; Milne-Edwards 1833) n. comb. A. Compound falciger, long blade, chaetiger 3; B. Compound falciger, median blade, chaetiger 3; C. Compound falciger, short blade, chaetiger 138; D. Compound spiniger, chaetiger 3; E. Isodonts pectinate narrow with long and slender teeth, chaetiger 9; F. Isodonts pectinate narrow with short and slender teeth, chaetiger 200; G. Subacicular hook, distal end, chaetiger 93. A from lectotype MNHN TYPE 568; B, C, D from non-type MNHN-A39; E, F, G, from ECOSURP2173. Scale bars: A, 14.5 µm; B, 24 µm; C, 21.64 µm; D, E, 7 µm; F, 9.8 µm; G, 6 µm." httpUri="https://zenodo.org/record/1453059/files/figure.png" pageId="52" pageNumber="53">14aj</figureCitation>
(
<emphasis id="74A5A940FFFC214EFD11A727FC85F8A2" box="[733,801,1792,1813]" italics="true" pageId="52" pageNumber="53">partim</emphasis>
).
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</paragraph>
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<emphasis id="74A5A940FFFC214EFF5BA765FE25F8EC" bold="true" box="[151,385,1858,1883]" pageId="52" pageNumber="53">Material examined.</emphasis>
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material:
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90025 (1), sta. 22C, off
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, Gulf of
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,
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:
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, Gulf of
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25 May02 Jun
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1290844 (1), sta. 2423, off Apalachicola Bay,
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<date id="326F5392FFFC214EFC0CA7F4FB99F85C" box="[960,1085,2002,2027]" pageId="52" pageNumber="53" value="1975-06-07">
7 Jun
<quantity id="8129D8B7FFFC214EFBCEA7F5FB99F85C" box="[1026,1085,2002,2027]" metricMagnitude="3" metricUnit="m" metricValue="1.97531" pageId="52" pageNumber="53" unit="m" value="1975.31">1975</quantity>
</date>
,
<specimenCount id="50D7BEDBFFFC214EFB85A7F5FB2DF85D" box="[1097,1161,2002,2026]" pageId="52" pageNumber="53" type="generic">31 m.</specimenCount>
</paragraph>
</subSubSection>
<caption id="12AE25DAFFFD214FFF5BA799FC06F844" httpUri="https://zenodo.org/record/1453103/files/figure.png" pageId="53" pageNumber="54" startId="53.[151,250,1982,2004]" targetBox="[217,1374,193,1969]" targetPageId="53">
<paragraph id="466E7552FFFD214FFF5BA799FC06F844" blockId="53.[151,1435,1982,2035]" pageId="53" pageNumber="54">
<emphasis id="74A5A940FFFD214FFF5BA799FE86F863" bold="true" box="[151,290,1982,2004]" pageId="53" pageNumber="54">FIGURE 35.</emphasis>
<taxonomicName id="81D10ED1FFFD214FFEE7A799FDB6F863" authority="Molina-Acevedo, 2018" authorityName="Molina-Acevedo" authorityYear="2018" box="[299,530,1982,2004]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="53" pageNumber="54" phylum="Annelida" rank="species" species="gathofi" status="sp. nov.">
<emphasis id="74A5A940FFFD214FFEE7A799FDB6F863" box="[299,530,1982,2004]" italics="true" pageId="53" pageNumber="54">Paucibranchia gathofi</emphasis>
</taxonomicName>
<emphasis id="74A5A940FFFD214FFDD7A799FDF2F863" bold="true" box="[539,598,1982,2004]" pageId="53" pageNumber="54">
<taxonomicNameLabel id="6F96143BFFFD214FFDD7A799FDF2F863" box="[539,598,1982,2004]" pageId="53" pageNumber="54" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
, holotype USNM 90025. A. Anterior end, dorsal view; B. Anterior end, ventral view; C. Anterior end with branchiae, dorsal view. Scale bars: AC, 0.3 mm.
</paragraph>
</caption>
<caption id="12AE25DAFFFE214CFF5BA5E1FB97FA4D" httpUri="https://zenodo.org/record/1453105/files/figure.png" pageId="54" pageNumber="55" startId="54.[151,250,1478,1500]" targetBox="[203,1383,193,1456]" targetPageId="54">
<paragraph id="466E7552FFFE214CFF5BA5E1FB97FA4D" blockId="54.[151,1435,1478,1530]" pageId="54" pageNumber="55">
<emphasis id="74A5A940FFFE214CFF5BA5E1FE84FA6B" bold="true" box="[151,288,1478,1500]" pageId="54" pageNumber="55">FIGURE 36.</emphasis>
<taxonomicName id="81D10ED1FFFE214CFEEBA5E1FDA8FA6B" authority="Molina-Acevedo, 2018" authorityName="Molina-Acevedo" authorityYear="2018" box="[295,524,1478,1500]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="54" pageNumber="55" phylum="Annelida" rank="species" species="gathofi" status="sp. nov.">
<emphasis id="74A5A940FFFE214CFEEBA5E1FDA8FA6B" box="[295,524,1478,1500]" italics="true" pageId="54" pageNumber="55">Paucibranchia gathofi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFE214CFDD8A5E1FDEAFA6B" box="[532,590,1478,1500]" pageId="54" pageNumber="55" rank="species">
<emphasis id="74A5A940FFFE214CFDD8A5E1FDEAFA6B" bold="true" box="[532,590,1478,1500]" pageId="54" pageNumber="55">n. sp.</emphasis>
</taxonomicNameLabel>
, holotype USNM 90025. A. Parapodium 5; B. Parapodium 22; C. Parapodium 55; D. Parapodium 69. All in anterior view. Scale bars: A, B, 0.20 mm; C, 90 µm; D, 0.12 mm.
</paragraph>
</caption>
<subSubSection id="0ECB26D9FFFE214DFF0BA605FC62FABB" lastPageId="55" lastPageNumber="56" pageId="54" pageNumber="55" type="description">
<paragraph id="466E7552FFFE214CFF0BA605FCF5F935" blockId="54.[151,1437,1570,2027]" pageId="54" pageNumber="55">
<emphasis id="74A5A940FFFE214CFF0BA605FEFDF98C" bold="true" box="[199,345,1570,1595]" pageId="54" pageNumber="55">Description.</emphasis>
<typeStatus id="996ACBF0FFFE214CFEACA605FE6CF98C" box="[352,456,1570,1595]" pageId="54" pageNumber="55" type="holotype">Holotype</typeStatus>
incomplete, with 73 chaetigers, L10=
<quantity id="8129D8B7FFFE214CFCB3A605FC7CF98D" box="[895,984,1570,1594]" metricMagnitude="-3" metricUnit="m" metricValue="3.4" pageId="54" pageNumber="55" unit="mm" value="3.4">3.4 mm</quantity>
, W10=
<quantity id="8129D8B7FFFE214CFBFFA605FB28F98D" box="[1075,1164,1570,1594]" metricMagnitude="-3" metricUnit="m" metricValue="1.1" pageId="54" pageNumber="55" unit="mm" value="1.1">1.1 mm</quantity>
, the fragment with TL=
<quantity id="8129D8B7FFFE214CFF5BA662FF48F9E9" box="[151,236,1605,1630]" metricMagnitude="-2" metricUnit="m" metricValue="1.6" pageId="54" pageNumber="55" unit="mm" value="16.0">16 mm</quantity>
. Anterior region of body with convex dorsum, and flat ventrum, without groove; body depressed from chaetiger 5, widest at chaetiger 10, tapering after chaetiger 38.
</paragraph>
<paragraph id="466E7552FFFE214CFF0BA6AAFE3FF8EC" blockId="54.[151,1437,1570,2027]" pageId="54" pageNumber="55">
Prostomium entire,
<quantity id="8129D8B7FFFE214CFE64A6A9FE4FF911" box="[424,491,1678,1702]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="54" pageNumber="55" unit="mm" value="1.0">1 mm</quantity>
long,
<quantity id="8129D8B7FFFE214CFDFAA6A9FDDDF911" box="[566,633,1678,1702]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="54" pageNumber="55" unit="mm" value="1.0">1 mm</quantity>
wide, frontally rounded, without median sulcus (
<figureCitation id="DEEA69D7FFFE214CFB62A6AAFA90F911" box="[1198,1332,1677,1702]" captionStart="FIGURE 35" captionStartId="53.[151,250,1982,2004]" captionTargetBox="[217,1374,193,1969]" captionTargetId="figure@53.[217,1374,193,1969]" captionTargetPageId="53" captionText="FIGURE 35. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Anterior end, dorsal view; B. Anterior end, ventral view; C. Anterior end with branchiae, dorsal view. Scale bars: AC, 0.3 mm." httpUri="https://zenodo.org/record/1453103/files/figure.png" pageId="54" pageNumber="55">Fig. 35AB</figureCitation>
), ventral sulcus deep (
<figureCitation id="DEEA69D7FFFE214CFEE1A695FE36F97D" box="[301,402,1714,1739]" captionStart="FIGURE 35" captionStartId="53.[151,250,1982,2004]" captionTargetBox="[217,1374,193,1969]" captionTargetId="figure@53.[217,1374,193,1969]" captionTargetPageId="53" captionText="FIGURE 35. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Anterior end, dorsal view; B. Anterior end, ventral view; C. Anterior end with branchiae, dorsal view. Scale bars: AC, 0.3 mm." httpUri="https://zenodo.org/record/1453103/files/figure.png" pageId="54" pageNumber="55">Fig. 35B</figureCitation>
). Prostomial appendages in a semicircle, median antenna slightly isolated by a gap. Palps reaching second peristomial ring; lateral antennae reaching second chaetiger; median antenna incomplete, in
<typeStatus id="996ACBF0FFFE214CFF5BA6DCFF53F8A4" box="[151,247,1787,1811]" pageId="54" pageNumber="55" type="paratype">paratype</typeStatus>
median antenna reaching second chaetiger. Palpophores and ceratophores ring-shaped, short, slender; palpostyles and ceratostyles tapering, slender, without articulation. Eyes not observed; according to
<bibRefCitation id="224008A3FFFE214CFB3AA73AFA33F881" box="[1270,1431,1821,1846]" pageId="54" pageNumber="55" refId="ref54658" refString="Gathof, J. M. (1984) Family Eunicidae Savigny, 1818; In: Uebelacker, J. M. &amp; Johnson P. G. (Eds.), Taxonomic guide to the polychaetes of the Northern Gulf of Mexico. Vol. 6. Barry A. Vittor &amp; Associates, Inc., Alabama, pp. 1 - 31." type="book chapter">Gathof (1984)</bibRefCitation>
, eyes rounded and dark.
</paragraph>
<paragraph id="466E7552FFFE214CFF0BA742FE7CF871" blockId="54.[151,1437,1570,2027]" pageId="54" pageNumber="55">
Peristomium shorter than prostomium (
<quantity id="8129D8B7FFFE214CFDB3A742FD72F8C9" box="[639,726,1893,1918]" metricMagnitude="-4" metricUnit="m" metricValue="6.0" pageId="54" pageNumber="55" unit="mm" value="0.6">0.6 mm</quantity>
long,
<quantity id="8129D8B7FFFE214CFCD0A741FCF9F8C9" box="[796,861,1894,1918]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="54" pageNumber="55" 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="DEEA69D7FFFE214CFD71A7ADFCE3F815" box="[701,839,1930,1955]" captionStart="FIGURE 35" captionStartId="53.[151,250,1982,2004]" captionTargetBox="[217,1374,193,1969]" captionTargetId="figure@53.[217,1374,193,1969]" captionTargetPageId="53" captionText="FIGURE 35. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Anterior end, dorsal view; B. Anterior end, ventral view; C. Anterior end with branchiae, dorsal view. Scale bars: AC, 0.3 mm." httpUri="https://zenodo.org/record/1453103/files/figure.png" pageId="54" pageNumber="55">Fig. 35AB</figureCitation>
). Inferior lip with a slight central depression with shallow wrinkles (
<figureCitation id="DEEA69D7FFFE214CFEA9A78AFE68F871" box="[357,460,1965,1990]" captionStart="FIGURE 35" captionStartId="53.[151,250,1982,2004]" captionTargetBox="[217,1374,193,1969]" captionTargetId="figure@53.[217,1374,193,1969]" captionTargetPageId="53" captionText="FIGURE 35. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Anterior end, dorsal view; B. Anterior end, ventral view; C. Anterior end with branchiae, dorsal view. Scale bars: AC, 0.3 mm." httpUri="https://zenodo.org/record/1453103/files/figure.png" pageId="54" pageNumber="55">Fig. 35B</figureCitation>
).
</paragraph>
<paragraph id="466E7552FFFE214DFF0BA7F5FF51FF07" blockId="54.[151,1437,1570,2027]" lastBlockId="55.[151,1437,151,2013]" lastPageId="55" lastPageNumber="56" pageId="54" pageNumber="55">
Maxillary apparatus lost. MF= 1+1, 56+7, 57+0, 24+512, 1+1 according to
<bibRefCitation id="224008A3FFFE214DFBAAA7F5FF55FF07" lastPageId="55" lastPageNumber="56" pageId="54" pageNumber="55" refId="ref54658" refString="Gathof, J. M. (1984) Family Eunicidae Savigny, 1818; In: Uebelacker, J. M. &amp; Johnson P. G. (Eds.), Taxonomic guide to the polychaetes of the Northern Gulf of Mexico. Vol. 6. Barry A. Vittor &amp; Associates, Inc., Alabama, pp. 1 - 31." type="book chapter">
Gathof (1984: 4017,
<figureCitation id="DEEA69D7FFFE214DFAA9A7F5FF4DFF07" captionStart="FIGURE 40" captionStartId="59.[151,250,1692,1714]" captionTargetBox="[262,1324,193,1670]" captionTargetId="figure@59.[262,1324,193,1670]" captionTargetPageId="59" captionText="FIGURE 40. Paucibranchia gemmata (Mohammad, 1973) n. comb., holotype BNHM 1971.49. A. Parapodium 4, dorsal cirri with bent tip, postchaetal lobe broken; B. Parapodium 16; C. Parapodium 31; D. Parapodium 50; E. Parapodium 105. All in anterior view. Scale bars: A, D, E, 0.15 mm; B, 0.22 mm; C, 0.48 mm." httpUri="https://zenodo.org/record/1453113/files/figure.png" lastPageId="55" lastPageNumber="56" pageId="54" pageNumber="55">Figs. 4014j</figureCitation>
)
</bibRefCitation>
.
</paragraph>
<paragraph id="466E7552FFFF214DFF0BA09BFEF4FEAA" blockId="55.[151,1437,151,2013]" pageId="55" pageNumber="56">
Branchiae pectinate with up to 10 filaments, in chaetigers 1527 (
<figureCitation id="DEEA69D7FFFF214DFC14A09BFBEAFF62" box="[984,1102,188,213]" captionStart="FIGURE 35" captionStartId="53.[151,250,1982,2004]" captionTargetBox="[217,1374,193,1969]" captionTargetId="figure@53.[217,1374,193,1969]" captionTargetPageId="53" captionText="FIGURE 35. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Anterior end, dorsal view; B. Anterior end, ventral view; C. Anterior end with branchiae, dorsal view. Scale bars: AC, 0.3 mm." httpUri="https://zenodo.org/record/1453103/files/figure.png" pageId="55" pageNumber="56">Figs. 35C</figureCitation>
;
<figureCitation id="DEEA69D7FFFF214DFB92A09BFB34FF62" box="[1118,1168,188,213]" captionStart="FIGURE 36" captionStartId="54.[151,250,1478,1500]" captionTargetBox="[203,1383,193,1456]" captionTargetId="figure@54.[203,1383,193,1456]" captionTargetPageId="54" captionText="FIGURE 36. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Parapodium 5; B. Parapodium 22; C. Parapodium 55; D. Parapodium 69. All in anterior view. Scale bars: A, B, 0.20 mm; C, 90 µm; D, 0.12 mm." httpUri="https://zenodo.org/record/1453105/files/figure.png" pageId="55" pageNumber="56">36B</figureCitation>
). Number of branchial filaments per chaetiger in order anterior-posterior: 8, 8, 10, 10, 10, 10, 9, 9, 9, 9, 9, 7, 6. Branchial filaments longer than dorsal cirri.
</paragraph>
<paragraph id="466E7552FFFF214DFF0BA100FC73FD32" blockId="55.[151,1437,151,2013]" pageId="55" pageNumber="56">
First two parapodia smallest; most developed in chaetigers 415, following ones becoming gradually smaller. Notopodial cirri conical, increasing in size from chaetiger 12 (Ldc5:
<quantity id="8129D8B7FFFF214DFC66A16BFBB7FED3" box="[938,1043,332,357]" metricMagnitude="-4" metricUnit="m" metricValue="3.5999999999999996" pageId="55" pageNumber="56" unit="mm" value="0.36">0.36 mm</quantity>
; Ldc22:
<quantity id="8129D8B7FFFF214DFBB4A16BFB46FED3" box="[1144,1250,332,356]" metricMagnitude="-4" metricUnit="m" metricValue="4.0" pageId="55" pageNumber="56" unit="mm" value="0.4">0.40 mm</quantity>
), from chaetiger 32, gradually decreasing in width; in posterior region almost the same length than pre-branchial region ones (Ldc69:
<quantity id="8129D8B7FFFF214DFF34A1B3FEC6FE1B" box="[248,354,404,428]" metricMagnitude="-4" metricUnit="m" metricValue="3.7" pageId="55" pageNumber="56" unit="mm" value="0.37">0.37 mm</quantity>
); Hayashi &amp; Yamanes organ present (
<figureCitation id="DEEA69D7FFFF214DFCD6A1B3FC03FE1A" box="[794,935,404,429]" captionStart="FIGURE 36" captionStartId="54.[151,250,1478,1500]" captionTargetBox="[203,1383,193,1456]" captionTargetId="figure@54.[203,1383,193,1456]" captionTargetPageId="54" captionText="FIGURE 36. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Parapodium 5; B. Parapodium 22; C. Parapodium 55; D. Parapodium 69. All in anterior view. Scale bars: A, B, 0.20 mm; C, 90 µm; D, 0.12 mm." httpUri="https://zenodo.org/record/1453105/files/figure.png" pageId="55" pageNumber="56">Fig. 36AD</figureCitation>
). Prechaetal lobes as a transverse fold in all chaetigers (
<figureCitation id="DEEA69D7FFFF214DFED6A190FE0CFE67" box="[282,424,439,464]" captionStart="FIGURE 36" captionStartId="54.[151,250,1478,1500]" captionTargetBox="[203,1383,193,1456]" captionTargetId="figure@54.[203,1383,193,1456]" captionTargetPageId="54" captionText="FIGURE 36. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Parapodium 5; B. Parapodium 22; C. Parapodium 55; D. Parapodium 69. All in anterior view. Scale bars: A, B, 0.20 mm; C, 90 µm; D, 0.12 mm." httpUri="https://zenodo.org/record/1453105/files/figure.png" pageId="55" pageNumber="56">Fig. 36AD</figureCitation>
). Chaetal lobes in chaetiger 121, rounded, shorter than postchaetal lobes, with aciculae emerging dorsal to midline; from chaetiger 21, triangular, longer than other lobes, with acicula emerging dorsally to midline (
<figureCitation id="DEEA69D7FFFF214DFEEAA1D8FE1CFDAF" box="[294,440,511,536]" captionStart="FIGURE 36" captionStartId="54.[151,250,1478,1500]" captionTargetBox="[203,1383,193,1456]" captionTargetId="figure@54.[203,1383,193,1456]" captionTargetPageId="54" captionText="FIGURE 36. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Parapodium 5; B. Parapodium 22; C. Parapodium 55; D. Parapodium 69. All in anterior view. Scale bars: A, B, 0.20 mm; C, 90 µm; D, 0.12 mm." httpUri="https://zenodo.org/record/1453105/files/figure.png" pageId="55" pageNumber="56">Fig. 36AD</figureCitation>
). Postchaetal lobes well developed in chaetigers 138, bluntly conical, thinner and elongated in branchial region; decreasing in size in chaetigers 1538; following ones inconspicuous (
<figureCitation id="DEEA69D7FFFF214DFAC9A203FA34FD8A" box="[1285,1424,548,573]" captionStart="FIGURE 36" captionStartId="54.[151,250,1478,1500]" captionTargetBox="[203,1383,193,1456]" captionTargetId="figure@54.[203,1383,193,1456]" captionTargetPageId="54" captionText="FIGURE 36. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Parapodium 5; B. Parapodium 22; C. Parapodium 55; D. Parapodium 69. All in anterior view. Scale bars: A, B, 0.20 mm; C, 90 µm; D, 0.12 mm." httpUri="https://zenodo.org/record/1453105/files/figure.png" pageId="55" pageNumber="56">Fig. 36AD</figureCitation>
). Ventral cirri digitiform in chaetigers 15; in chaetigers 642 with oval swollen base and digitiform tip; from chaetiger 43, conical, gradually reducing in size posteriorly (
<figureCitation id="DEEA69D7FFFF214DFCF2A24BFC6FFD32" box="[830,971,620,645]" captionStart="FIGURE 36" captionStartId="54.[151,250,1478,1500]" captionTargetBox="[203,1383,193,1456]" captionTargetId="figure@54.[203,1383,193,1456]" captionTargetPageId="54" captionText="FIGURE 36. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Parapodium 5; B. Parapodium 22; C. Parapodium 55; D. Parapodium 69. All in anterior view. Scale bars: A, B, 0.20 mm; C, 90 µm; D, 0.12 mm." httpUri="https://zenodo.org/record/1453105/files/figure.png" pageId="55" pageNumber="56">Fig. 36AD</figureCitation>
).
</paragraph>
<paragraph id="466E7552FFFF214DFF0BA2A8FF7CFD7B" blockId="55.[151,1437,151,2013]" pageId="55" pageNumber="56">
Aciculae blunt, with reddish basal end, distally amber; with only one per chaetiger present (
<figureCitation id="DEEA69D7FFFF214DFB33A2A8FA3CFD1F" box="[1279,1432,655,680]" captionStart="FIGURE 36" captionStartId="54.[151,250,1478,1500]" captionTargetBox="[203,1383,193,1456]" captionTargetId="figure@54.[203,1383,193,1456]" captionTargetPageId="54" captionText="FIGURE 36. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Parapodium 5; B. Parapodium 22; C. Parapodium 55; D. Parapodium 69. All in anterior view. Scale bars: A, B, 0.20 mm; C, 90 µm; D, 0.12 mm." httpUri="https://zenodo.org/record/1453105/files/figure.png" pageId="55" pageNumber="56">Figs. 36AD</figureCitation>
;
<figureCitation id="DEEA69D7FFFF214DFF5BA293FF6FFD7B" box="[151,203,692,716]" captionStart="FIGURE 37" captionStartId="56.[151,250,1562,1584]" captionTargetBox="[200,1410,190,1546]" captionTargetId="figure@56.[181,1410,190,1546]" captionTargetPageId="56" captionText="FIGURE 37. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Isodonts pectinate narrow with long and slender teeth, chaetiger 22; B. Isodonts pectinate narrow with short and slender teeth, chaetiger 59; C. Compound falciger, long blade, chaetiger 22; D. Compound falciger, median blade, chaetiger 22; E. Compound falciger, median blade, chaetiger 55; F. Compound falciger, short blade, chaetiger 55; G. Aciculae, chaetiger 55; H. Subacicular hook, chaetiger 55. Scale bars: A, 14 µm; B, 7 µm; C, 45 µm; D, 22.5 µm; E, 19 µm; F, 15 µm; G, 5 µm; H, 10.5 µm." httpUri="https://zenodo.org/record/1453107/files/figure.png" pageId="55" pageNumber="56">37G</figureCitation>
).
</paragraph>
<paragraph id="466E7552FFFF214DFF0BA2F0FC18FBEF" blockId="55.[151,1437,151,2013]" pageId="55" pageNumber="56">
Limbate chaetae of two sizes in same chaetiger, larger in anterior region, reduced in number around chaetiger 20. Two
<typeStatus id="996ACBF0FFFF214DFF33A2DAFE9EFCA2" box="[255,314,765,789]" pageId="55" pageNumber="56">types</typeStatus>
of pectinate chaetae; in anterior chaetigers isodont narrow with long and slender teeth, with 12 pectinate, with up to 56 teeth, with oblique distal edge (
<figureCitation id="DEEA69D7FFFF214DFCD4A338FC26FC8F" box="[792,898,799,824]" captionStart="FIGURE 37" captionStartId="56.[151,250,1562,1584]" captionTargetBox="[200,1410,190,1546]" captionTargetId="figure@56.[181,1410,190,1546]" captionTargetPageId="56" captionText="FIGURE 37. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Isodonts pectinate narrow with long and slender teeth, chaetiger 22; B. Isodonts pectinate narrow with short and slender teeth, chaetiger 59; C. Compound falciger, long blade, chaetiger 22; D. Compound falciger, median blade, chaetiger 22; E. Compound falciger, median blade, chaetiger 55; F. Compound falciger, short blade, chaetiger 55; G. Aciculae, chaetiger 55; H. Subacicular hook, chaetiger 55. Scale bars: A, 14 µm; B, 7 µm; C, 45 µm; D, 22.5 µm; E, 19 µm; F, 15 µm; G, 5 µm; H, 10.5 µm." httpUri="https://zenodo.org/record/1453107/files/figure.png" pageId="55" pageNumber="56">Fig. 37A</figureCitation>
); in median-posterior chaetigers isodont narrow with short and slender teeth, with 34 pectinate, with up to 89 teeth, with oblique distal edge (
<figureCitation id="DEEA69D7FFFF214DFAEFA363FA34FCEB" box="[1315,1424,836,861]" captionStart="FIGURE 37" captionStartId="56.[151,250,1562,1584]" captionTargetBox="[200,1410,190,1546]" captionTargetId="figure@56.[181,1410,190,1546]" captionTargetPageId="56" captionText="FIGURE 37. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Isodonts pectinate narrow with long and slender teeth, chaetiger 22; B. Isodonts pectinate narrow with short and slender teeth, chaetiger 59; C. Compound falciger, long blade, chaetiger 22; D. Compound falciger, median blade, chaetiger 22; E. Compound falciger, median blade, chaetiger 55; F. Compound falciger, short blade, chaetiger 55; G. Aciculae, chaetiger 55; H. Subacicular hook, chaetiger 55. Scale bars: A, 14 µm; B, 7 µm; C, 45 µm; D, 22.5 µm; E, 19 µm; F, 15 µm; G, 5 µm; H, 10.5 µm." httpUri="https://zenodo.org/record/1453107/files/figure.png" pageId="55" pageNumber="56">Fig. 37B</figureCitation>
). Compound falcigers in all chaetigers; in anterior chaetigers (first 11 chaetigers) with blade of two sizes (longer 125 µm,
<figureCitation id="DEEA69D7FFFF214DFF01A3ABFE91FC13" box="[205,309,908,933]" captionStart="FIGURE 37" captionStartId="56.[151,250,1562,1584]" captionTargetBox="[200,1410,190,1546]" captionTargetId="figure@56.[181,1410,190,1546]" captionTargetPageId="56" captionText="FIGURE 37. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Isodonts pectinate narrow with long and slender teeth, chaetiger 22; B. Isodonts pectinate narrow with short and slender teeth, chaetiger 59; C. Compound falciger, long blade, chaetiger 22; D. Compound falciger, median blade, chaetiger 22; E. Compound falciger, median blade, chaetiger 55; F. Compound falciger, short blade, chaetiger 55; G. Aciculae, chaetiger 55; H. Subacicular hook, chaetiger 55. Scale bars: A, 14 µm; B, 7 µm; C, 45 µm; D, 22.5 µm; E, 19 µm; F, 15 µm; G, 5 µm; H, 10.5 µm." httpUri="https://zenodo.org/record/1453107/files/figure.png" pageId="55" pageNumber="56">Fig. 37C</figureCitation>
, smaller 63 µm,
<figureCitation id="DEEA69D7FFFF214DFE30A3ABFDC0FC13" box="[508,612,908,933]" captionStart="FIGURE 37" captionStartId="56.[151,250,1562,1584]" captionTargetBox="[200,1410,190,1546]" captionTargetId="figure@56.[181,1410,190,1546]" captionTargetPageId="56" captionText="FIGURE 37. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Isodonts pectinate narrow with long and slender teeth, chaetiger 22; B. Isodonts pectinate narrow with short and slender teeth, chaetiger 59; C. Compound falciger, long blade, chaetiger 22; D. Compound falciger, median blade, chaetiger 22; E. Compound falciger, median blade, chaetiger 55; F. Compound falciger, short blade, chaetiger 55; G. Aciculae, chaetiger 55; H. Subacicular hook, chaetiger 55. Scale bars: A, 14 µm; B, 7 µm; C, 45 µm; D, 22.5 µm; E, 19 µm; F, 15 µm; G, 5 µm; H, 10.5 µm." httpUri="https://zenodo.org/record/1453107/files/figure.png" pageId="55" pageNumber="56">Fig. 37D</figureCitation>
); all with triangular teeth, of similar size, distal tooth directed upward, proximal directed laterally; in median-posterior chaetigers with blade of two sizes, shorter than blades of anterior chaetigers (longer 49 µm,
<figureCitation id="DEEA69D7FFFF214DFE0BA3F3FD89FC5B" box="[455,557,980,1005]" captionStart="FIGURE 37" captionStartId="56.[151,250,1562,1584]" captionTargetBox="[200,1410,190,1546]" captionTargetId="figure@56.[181,1410,190,1546]" captionTargetPageId="56" captionText="FIGURE 37. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Isodonts pectinate narrow with long and slender teeth, chaetiger 22; B. Isodonts pectinate narrow with short and slender teeth, chaetiger 59; C. Compound falciger, long blade, chaetiger 22; D. Compound falciger, median blade, chaetiger 22; E. Compound falciger, median blade, chaetiger 55; F. Compound falciger, short blade, chaetiger 55; G. Aciculae, chaetiger 55; H. Subacicular hook, chaetiger 55. Scale bars: A, 14 µm; B, 7 µm; C, 45 µm; D, 22.5 µm; E, 19 µm; F, 15 µm; G, 5 µm; H, 10.5 µm." httpUri="https://zenodo.org/record/1453107/files/figure.png" pageId="55" pageNumber="56">Fig. 37E</figureCitation>
; smaller 40 µm,
<figureCitation id="DEEA69D7FFFF214DFD3FA3F3FCF2FC5B" box="[755,854,980,1005]" captionStart="FIGURE 37" captionStartId="56.[151,250,1562,1584]" captionTargetBox="[200,1410,190,1546]" captionTargetId="figure@56.[181,1410,190,1546]" captionTargetPageId="56" captionText="FIGURE 37. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Isodonts pectinate narrow with long and slender teeth, chaetiger 22; B. Isodonts pectinate narrow with short and slender teeth, chaetiger 59; C. Compound falciger, long blade, chaetiger 22; D. Compound falciger, median blade, chaetiger 22; E. Compound falciger, median blade, chaetiger 55; F. Compound falciger, short blade, chaetiger 55; G. Aciculae, chaetiger 55; H. Subacicular hook, chaetiger 55. Scale bars: A, 14 µm; B, 7 µm; C, 45 µm; D, 22.5 µm; E, 19 µm; F, 15 µm; G, 5 µm; H, 10.5 µm." httpUri="https://zenodo.org/record/1453107/files/figure.png" pageId="55" pageNumber="56">Fig. 37F</figureCitation>
), all with triangular teeth, distal tooth shorter than proximal, directed upward, proximal tooth directed laterally. Subacicular hooks bidentate, reddish basal end, distally amber; starting in chaetiger 19, with one hook per chaetiger; with triangular teeth, distal tooth smaller than proximal, directed upward; proximal tooth directed laterally (
<figureCitation id="DEEA69D7FFFF214DFC8BA418FC14FBEF" box="[839,944,1087,1112]" captionStart="FIGURE 37" captionStartId="56.[151,250,1562,1584]" captionTargetBox="[200,1410,190,1546]" captionTargetId="figure@56.[181,1410,190,1546]" captionTargetPageId="56" captionText="FIGURE 37. Paucibranchia gathofi n. sp., holotype USNM 90025. A. Isodonts pectinate narrow with long and slender teeth, chaetiger 22; B. Isodonts pectinate narrow with short and slender teeth, chaetiger 59; C. Compound falciger, long blade, chaetiger 22; D. Compound falciger, median blade, chaetiger 22; E. Compound falciger, median blade, chaetiger 55; F. Compound falciger, short blade, chaetiger 55; G. Aciculae, chaetiger 55; H. Subacicular hook, chaetiger 55. Scale bars: A, 14 µm; B, 7 µm; C, 45 µm; D, 22.5 µm; E, 19 µm; F, 15 µm; G, 5 µm; H, 10.5 µm." httpUri="https://zenodo.org/record/1453107/files/figure.png" pageId="55" pageNumber="56">Fig. 37H</figureCitation>
).
</paragraph>
<paragraph id="466E7552FFFF214DFF0BA443FC62FABB" blockId="55.[151,1437,151,2013]" pageId="55" pageNumber="56">
<emphasis id="74A5A940FFFF214DFF0BA443FE9BFBCA" bold="true" box="[199,319,1124,1149]" pageId="55" pageNumber="56">Variation.</emphasis>
Material examined varied in the following features: L10=
<quantity id="8129D8B7FFFF214DFC19A443FBFAFBCB" box="[981,1118,1124,1148]" metricMagnitude="-3" metricUnit="m" metricValue="2.75" metricValueMax="3.4" metricValueMin="2.1" pageId="55" pageNumber="56" unit="mm" value="2.75" valueMax="3.4" valueMin="2.1">2.13.4 mm</quantity>
, W10=
<quantity id="8129D8B7FFFF214DFB74A443FAE6FBCB" box="[1208,1346,1124,1148]" metricMagnitude="-4" metricUnit="m" metricValue="9.0" metricValueMax="11.0" metricValueMin="7.0" pageId="55" pageNumber="56" unit="mm" value="0.9" valueMax="1.1" valueMin="0.7">0.71.1 mm</quantity>
. Lateral and median antennae reaching first or reaching second chaetiger. The maxillary formula varies as follows:
<collectingRegion id="8415BBB0FFFF214DFA81A4AFFADDFB28" box="[1357,1401,1160,1183]" country="Japan" name="Mie" pageId="55" pageNumber="56">MII</collectingRegion>
5 6+7, MIII 57, MIV 24+512. Branchiae from chaetigers
<date id="326F5392FFFF214DFCE1A48BFC75FB73" box="[813,977,1196,1221]" pageId="55" pageNumber="56" value="1927-08-15" valueMax="1927-08-13" valueMin="1927-08-15">815 to 1327</date>
. Maximum number of branchial filament varied from 6 to 10. Well developed postchaetal lobe in first 1327 chaetigers. End of ventral cirri with swollen base in chaetigers 1617. Start of subacicular hooks in chaetigers 1730.
</paragraph>
</subSubSection>
<subSubSection id="0ECB26D9FFFF214DFF0BA530FD9CFA87" box="[199,568,1303,1328]" pageId="55" pageNumber="56" type="materials_examined">
<paragraph id="466E7552FFFF214DFF0BA530FD9CFA87" blockId="55.[151,1437,151,2013]" box="[199,568,1303,1328]" pageId="55" pageNumber="56">
<materialsCitation id="F6B97F0FFFFF214DFF0BA530FD9CFA87" ID-GBIF-Occurrence="1915273855" box="[199,568,1303,1328]" country="United States of America" location="Florida" pageId="55" pageNumber="56" specimenCount="1" stateProvince="Florida" typeStatus="holotype">
<emphasis id="74A5A940FFFF214DFF0BA530FEC1FA87" bold="true" box="[199,357,1303,1328]" pageId="55" pageNumber="56">
<typeStatus id="996ACBF0FFFF214DFF0BA530FEA6FA87" box="[199,258,1303,1328]" pageId="55" pageNumber="56">Type</typeStatus>
locality.
</emphasis>
Off
<collectingRegion id="8415BBB0FFFF214DFE55A530FE49FA87" box="[409,493,1303,1328]" country="United States of America" name="Florida" pageId="55" pageNumber="56">Florida</collectingRegion>
,
<collectingCountry id="3EC635C2FFFF214DFE34A53FFD90FA87" box="[504,564,1304,1328]" name="United States of America" pageId="55" pageNumber="56">USA</collectingCountry>
.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="0ECB26D9FFFF214DFF0BA51BFD57FAE2" box="[199,755,1340,1365]" pageId="55" pageNumber="56" type="distribution">
<paragraph id="466E7552FFFF214DFF0BA51BFD57FAE2" blockId="55.[151,1437,151,2013]" box="[199,755,1340,1365]" pageId="55" pageNumber="56">
<emphasis id="74A5A940FFFF214DFF0BA51BFEC4FAE2" bold="true" box="[199,352,1340,1365]" pageId="55" pageNumber="56">Distribution.</emphasis>
<collectingRegion id="8415BBB0FFFF214DFEABA51AFE0CFAE3" box="[359,424,1341,1364]" country="United States of America" name="Texas" pageId="55" pageNumber="56">Texas</collectingRegion>
and
<collectingRegion id="8415BBB0FFFF214DFE12A51BFD96FAE2" box="[478,562,1340,1365]" country="United States of America" name="Florida" pageId="55" pageNumber="56">Florida</collectingRegion>
, Gulf of
<collectingRegion id="8415BBB0FFFF214DFD5AA51BFD54FAE2" box="[662,752,1340,1365]" country="Mexico" name="Mexico" pageId="55" pageNumber="56">
<collectingCountry id="3EC635C2FFFF214DFD5AA51BFD54FAE2" box="[662,752,1340,1365]" name="Mexico" pageId="55" pageNumber="56">Mexico</collectingCountry>
</collectingRegion>
.
</paragraph>
</subSubSection>
<subSubSection id="0ECB26D9FFFF214DFF0BA578FB25FA2A" pageId="55" pageNumber="56" type="etymology">
<paragraph id="466E7552FFFF214DFF0BA578FB25FA2A" blockId="55.[151,1437,151,2013]" pageId="55" pageNumber="56">
<emphasis id="74A5A940FFFF214DFF0BA578FEEAFACF" bold="true" box="[199,334,1375,1400]" pageId="55" pageNumber="56">Etymology.</emphasis>
This species is named in honor of Dr. Jerry M. Gathof in recognition of his valuable contributions to the taxonomic study of the polychaetes from the Gulf of
<collectingRegion id="8415BBB0FFFF214DFCFCA5A3FC2CFA2A" box="[816,904,1412,1437]" country="Mexico" name="Mexico" pageId="55" pageNumber="56">
<collectingCountry id="3EC635C2FFFF214DFCFCA5A3FC2CFA2A" box="[816,904,1412,1437]" name="Mexico" pageId="55" pageNumber="56">Mexico</collectingCountry>
</collectingRegion>
, particularly eunicids.
</paragraph>
</subSubSection>
<subSubSection id="0ECB26D9FFFF214DFF0BA580FD6AF86B" pageId="55" pageNumber="56" type="discussion">
<paragraph id="466E7552FFFF214DFF0BA580FBF1F9E7" blockId="55.[151,1437,151,2013]" pageId="55" pageNumber="56">
<emphasis id="74A5A940FFFF214DFF0BA580FE9FFA77" bold="true" box="[199,315,1447,1472]" pageId="55" pageNumber="56">Remarks.</emphasis>
<bibRefCitation id="224008A3FFFF214DFE8EA580FE45FA77" box="[322,481,1447,1472]" pageId="55" pageNumber="56" refId="ref54658" refString="Gathof, J. M. (1984) Family Eunicidae Savigny, 1818; In: Uebelacker, J. M. &amp; Johnson P. G. (Eds.), Taxonomic guide to the polychaetes of the Northern Gulf of Mexico. Vol. 6. Barry A. Vittor &amp; Associates, Inc., Alabama, pp. 1 - 31." type="book chapter">Gathof (1984)</bibRefCitation>
described these specimens from the northern Gulf of
<collectingRegion id="8415BBB0FFFF214DFBF1A580FB37FA77" box="[1085,1171,1447,1472]" country="Mexico" name="Mexico" pageId="55" pageNumber="56">
<collectingCountry id="3EC635C2FFFF214DFBF1A580FB37FA77" box="[1085,1171,1447,1472]" name="Mexico" pageId="55" pageNumber="56">Mexico</collectingCountry>
</collectingRegion>
as
<taxonomicName id="81D10ED1FFFF214DFB74A580FA8EFA77" authorityName="Molina-Acevedo" authorityYear="2018" box="[1208,1322,1447,1472]" class="Polychaeta" family="Eunicidae" genus="Marphysa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="55" pageNumber="56" phylum="Annelida" rank="genus">
<emphasis id="74A5A940FFFF214DFB74A580FA8EFA77" box="[1208,1322,1447,1472]" italics="true" pageId="55" pageNumber="56">Marphysa</emphasis>
</taxonomicName>
sp. A and considered it to be close to
<taxonomicName id="81D10ED1FFFF214DFE00A5EAFDE2FA53" authorityName="Molina-Acevedo" authorityYear="2018" baseAuthorityName="Moore" baseAuthorityYear="1911" box="[460,582,1484,1508]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="55" pageNumber="56" phylum="Annelida" rank="species" species="conferta" status="comb. nov.">
<emphasis id="74A5A940FFFF214DFE00A5EAFDE2FA53" box="[460,582,1484,1508]" italics="true" pageId="55" pageNumber="56">P. conferta</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFF214DFD81A5EBFD10FA52" box="[589,692,1484,1509]" pageId="55" pageNumber="56">
<emphasis id="74A5A940FFFF214DFD81A5EBFD10FA52" bold="true" box="[589,692,1484,1509]" pageId="55" pageNumber="56">n. comb.</emphasis>
</taxonomicNameLabel>
(
<collectingRegion id="8415BBB0FFFF214DFD0FA5EBFC9FFA52" box="[707,827,1484,1509]" country="United States of America" name="California" pageId="55" pageNumber="56">California</collectingRegion>
). However, there are some morphological differences, in addition to the geographical distance that separates the two species.
<taxonomicName id="81D10ED1FFFF214DFC63A5C8FB08F9BF" authority="Molina-Acevedo, 2018" authorityName="Molina-Acevedo" authorityYear="2018" box="[943,1196,1519,1544]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="55" pageNumber="56" phylum="Annelida" rank="species" species="gathofi" status="sp. nov.">
<emphasis id="74A5A940FFFF214DFC63A5C8FB08F9BF" box="[943,1196,1519,1544]" italics="true" pageId="55" pageNumber="56">Paucibranchia gathofi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFF214DFB7FA5C8FB56F9BF" box="[1203,1266,1519,1544]" pageId="55" pageNumber="56" rank="species">
<emphasis id="74A5A940FFFF214DFB7FA5C8FB56F9BF" bold="true" box="[1203,1266,1519,1544]" pageId="55" pageNumber="56">n. sp.</emphasis>
</taxonomicNameLabel>
has compound falcigers with blades of two sizes in all chaetigers, and dark subacicular hooks; whereas
<taxonomicName id="81D10ED1FFFF214DFB49A632FB5BF99B" authorityName="Molina-Acevedo" authorityYear="2018" baseAuthorityName="Moore" baseAuthorityYear="1911" box="[1157,1279,1556,1580]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="55" pageNumber="56" phylum="Annelida" rank="species" species="conferta" status="comb. nov.">
<emphasis id="74A5A940FFFF214DFB49A632FB5BF99B" box="[1157,1279,1556,1580]" italics="true" pageId="55" pageNumber="56">P. conferta</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFF214DFACBA633FACAF99A" box="[1287,1390,1556,1581]" pageId="55" pageNumber="56">
<emphasis id="74A5A940FFFF214DFACBA633FACAF99A" bold="true" box="[1287,1390,1556,1581]" pageId="55" pageNumber="56">n. comb.</emphasis>
</taxonomicNameLabel>
has compound falcigers with all blades of similar size, and translucent subacicular hooks.
</paragraph>
<paragraph id="466E7552FFFF214DFF0BA67BFF4FF92F" blockId="55.[151,1437,151,2013]" pageId="55" pageNumber="56">
The material USNM 90026 identified by Gathof as
<taxonomicName id="81D10ED1FFFF214DFCC8A67BFCD2F9C2" authorityName="Molina-Acevedo" authorityYear="2018" box="[772,886,1628,1653]" class="Polychaeta" family="Eunicidae" genus="Marphysa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="55" pageNumber="56" phylum="Annelida" rank="genus">
<emphasis id="74A5A940FFFF214DFCC8A67BFCD2F9C2" box="[772,886,1628,1653]" italics="true" pageId="55" pageNumber="56">Marphysa</emphasis>
</taxonomicName>
sp. An actually belongs to
<taxonomicName id="81D10ED1FFFF214DFB68A67AFA87F9C3" authority="Molina-Acevedo, 2018" authorityName="Molina-Acevedo" authorityYear="2018" box="[1188,1315,1629,1652]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="55" pageNumber="56" phylum="Annelida" rank="species" species="patriciae" status="sp. nov.">
<emphasis id="74A5A940FFFF214DFB68A67AFA87F9C3" box="[1188,1315,1629,1652]" italics="true" pageId="55" pageNumber="56">P. patriciae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFF214DFAE6A67BFACCF9C2" box="[1322,1384,1628,1653]" pageId="55" pageNumber="56" rank="species">
<emphasis id="74A5A940FFFF214DFAE6A67BFACCF9C2" bold="true" box="[1322,1384,1628,1653]" pageId="55" pageNumber="56">n. sp.</emphasis>
</taxonomicNameLabel>
(see below).
</paragraph>
<paragraph id="466E7552FFFF214DFF0BA683FD6AF86B" blockId="55.[151,1437,151,2013]" pageId="55" pageNumber="56">
<taxonomicName id="81D10ED1FFFF214DFF0BA683FE67F90A" authority="Molina-Acevedo, 2018" authorityName="Molina-Acevedo" authorityYear="2018" box="[199,451,1700,1725]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="55" pageNumber="56" phylum="Annelida" rank="species" species="gathofi" status="sp. nov.">
<emphasis id="74A5A940FFFF214DFF0BA683FE67F90A" box="[199,451,1700,1725]" italics="true" pageId="55" pageNumber="56">Paucibranchia gathofi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFF214DFE06A683FDACF90A" box="[458,520,1700,1725]" pageId="55" pageNumber="56" rank="species">
<emphasis id="74A5A940FFFF214DFE06A683FDACF90A" bold="true" box="[458,520,1700,1725]" pageId="55" pageNumber="56">n. sp.</emphasis>
</taxonomicNameLabel>
resembles
<taxonomicName id="81D10ED1FFFF214DFD49A682FD78F90B" authority="Molina-Acevedo, 2018" authorityName="Molina-Acevedo" authorityYear="2018" box="[645,732,1701,1724]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="55" pageNumber="56" phylum="Annelida" rank="species" species="miroi" status="sp. nov.">
<emphasis id="74A5A940FFFF214DFD49A682FD78F90B" box="[645,732,1701,1724]" italics="true" pageId="55" pageNumber="56">P. miroi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFF214DFD2FA683FC86F90A" box="[739,802,1700,1725]" pageId="55" pageNumber="56" rank="species">
<emphasis id="74A5A940FFFF214DFD2FA683FC86F90A" bold="true" box="[739,802,1700,1725]" pageId="55" pageNumber="56">n. sp.</emphasis>
</taxonomicNameLabel>
and
<taxonomicName id="81D10ED1FFFF214DFC9BA682FC4FF90A" authorityName="Molina-Acevedo" authorityYear="2018" baseAuthorityName="Willey" baseAuthorityYear="1904" box="[855,1003,1700,1725]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="55" pageNumber="56" phylum="Annelida" rank="species" species="purcellana" status="comb. nov.">
<emphasis id="74A5A940FFFF214DFC9BA682FC4FF90A" box="[855,1003,1700,1725]" italics="true" pageId="55" pageNumber="56">P. purcellana</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFF214DFC3DA683FBF3F90A" box="[1009,1111,1700,1725]" pageId="55" pageNumber="56">
<emphasis id="74A5A940FFFF214DFC3DA683FBF3F90A" bold="true" box="[1009,1111,1700,1725]" pageId="55" pageNumber="56">n. comb.</emphasis>
</taxonomicNameLabel>
by having subacicular hooks with reddish basal end and compound falcigers. However,
<taxonomicName id="81D10ED1FFFF214DFCE0A6EEFC32F957" authority="Molina-Acevedo, 2018" authorityName="Molina-Acevedo" authorityYear="2018" box="[812,918,1735,1760]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="55" pageNumber="56" phylum="Annelida" rank="species" species="gathofi" status="sp. nov.">
<emphasis id="74A5A940FFFF214DFCE0A6EEFC32F957" box="[812,918,1735,1760]" italics="true" pageId="55" pageNumber="56">P. gathofi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFF214DFC52A6E0FC79F957" box="[926,989,1735,1760]" pageId="55" pageNumber="56" rank="species">
<emphasis id="74A5A940FFFF214DFC52A6E0FC79F957" bold="true" box="[926,989,1735,1760]" pageId="55" pageNumber="56">n. sp.</emphasis>
</taxonomicNameLabel>
differs from
<taxonomicName id="81D10ED1FFFF214DFBBFA6EEFB6FF957" authority="Molina-Acevedo, 2018" authorityName="Molina-Acevedo" authorityYear="2018" box="[1139,1227,1737,1760]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="55" pageNumber="56" phylum="Annelida" rank="species" species="miroi" status="sp. nov.">
<emphasis id="74A5A940FFFF214DFBBFA6EEFB6FF957" box="[1139,1227,1737,1760]" italics="true" pageId="55" pageNumber="56">P. miroi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFF214DFB1FA6E0FAB6F957" box="[1235,1298,1735,1760]" pageId="55" pageNumber="56" rank="species">
<emphasis id="74A5A940FFFF214DFB1FA6E0FAB6F957" bold="true" box="[1235,1298,1735,1760]" pageId="55" pageNumber="56">n. sp.</emphasis>
</taxonomicNameLabel>
because the former has eyes, postchaetal lobe bluntly conical in pre-branchial chaetigers, and falcigers with blades of two sizes along the body; whereas in the latter, eyes are absent, postchaetal lobe is digitiform in pre-branchial chaetigers, and all falcigers have blades of similar size along the body.
<taxonomicName id="81D10ED1FFFF214DFCCDA713FC73F8FA" authorityName="Molina-Acevedo" authorityYear="2018" box="[769,983,1844,1869]" pageId="55" pageNumber="56" rank="subSpecies" status="comb. nov." subSpecies="purcellana">
Also,
<emphasis id="74A5A940FFFF214DFC88A712FC73F8FA" box="[836,983,1844,1869]" italics="true" pageId="55" pageNumber="56">P. purcellana</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFF214DFC12A713FBE0F8FA" box="[990,1092,1844,1869]" pageId="55" pageNumber="56">
<emphasis id="74A5A940FFFF214DFC12A713FBE0F8FA" bold="true" box="[990,1092,1844,1869]" pageId="55" pageNumber="56">n. comb.</emphasis>
</taxonomicNameLabel>
differs because the dorsal cirri are 1.4 times longer in the postbranchial region and falcigers have blades of three sizes in the anterior chaetigers; whereas in
<taxonomicName id="81D10ED1FFFF214DFED6A75AFE22F822" authority="Molina-Acevedo, 2018" authorityName="Molina-Acevedo" authorityYear="2018" box="[282,390,1916,1941]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="55" pageNumber="56" phylum="Annelida" rank="species" species="gathofi" status="sp. nov.">
<emphasis id="74A5A940FFFF214DFED6A75AFE22F822" box="[282,390,1916,1941]" italics="true" pageId="55" pageNumber="56">P. gathofi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFF214DFE43A75BFE74F822" box="[399,464,1916,1941]" pageId="55" pageNumber="56" rank="species">
<emphasis id="74A5A940FFFF214DFE43A75BFE74F822" bold="true" box="[399,464,1916,1941]" pageId="55" pageNumber="56">n. sp.</emphasis>
</taxonomicNameLabel>
the dorsal cirri are of similar size in pre- and potsbranchial regions and the falcigers have blades of two sizes along the body. The comparison with other
<taxonomicName id="81D10ED1FFFF214DFC7DA787FBF3F80E" authority="Molina-Acevedo, 2018" authorityName="Molina-Acevedo" authorityYear="2018" box="[945,1111,1952,1977]" class="Polychaeta" family="Eunicidae" genus="Paucibranchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Eunicida" pageId="55" pageNumber="56" phylum="Annelida" rank="genus" status="gen. nov.">
<emphasis id="74A5A940FFFF214DFC7DA787FBF3F80E" box="[945,1111,1952,1977]" italics="true" pageId="55" pageNumber="56">Paucibranchia</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6F96143BFFFF214DFBACA787FB15F80E" box="[1120,1201,1952,1977]" pageId="55" pageNumber="56" rank="genus">
<emphasis id="74A5A940FFFF214DFBACA787FB15F80E" bold="true" box="[1120,1201,1952,1977]" pageId="55" pageNumber="56">n. gen.</emphasis>
</taxonomicNameLabel>
species having only compound falcigers present is provided in
<tableCitation id="0B5340E9FFFF214DFDB8A7E3FD6EF86B" box="[628,714,1988,2013]" captionStart="TABLE 2" captionStartId="112.[147,226,502,523]" captionText="TABLE 2. Morphological features of the Paucibranchia n. gen. species with compound falcigers. Abbreviations: MF: Maxillary formula, roman numerals refer to number of maxilla; MxC: maxillary carriers; CIS: closing system; Cop: cavity opening; 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="55" pageNumber="56">Table 2</tableCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>