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<document id="8E4B964D59DA0FBE174CE5609A782AC9" ID-DOI="10.6620/ZS.2018.57-52" ID-ISSN="1810-522X" ID-PMC="PMC6517783" ID-PubMed="31966292" ID-Zenodo-Dep="13316385" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="karina" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="karina" checkinTime="1721917244715" checkinUser="felipe" docAuthor="Delgado-Blas, Víctor H. &amp; Carrera-Parra, Luis F." docDate="2018" docId="C1227E3B0E43FFB8D0E9DDC7FD94F83F" docLanguage="en" docName="ZoolStud.57.52.1-20.pdf" docOrigin="Zoological Studies 57 (52)" docStyle="DocumentStyle:CB122E4603BA284FA287D3847868CAF6.4:ZoolStud.2016-2018.journal_article" docStyleId="CB122E4603BA284FA287D3847868CAF6" docStyleName="ZoolStud.2016-2018.journal_article" docStyleVersion="4" docTitle="Paraprionospio dibranchiata Delgado-Blas &amp; Carrera-Parra, 2018, sp. nov." docType="treatment" docVersion="4" lastPageNumber="13" masterDocId="3D1B06430E4AFFB4D022DD3AFF95FF89" masterDocTitle="New Phylogenetic Analysis of Paraprionospio Caullery (Polychaeta: Spionidae), with Description of a New Species from the Gulf of Mexico" masterLastPageNumber="20" masterPageNumber="1" pageNumber="10" updateTime="1723599596862" updateUser="ExternalLinkService">
<mods:mods id="4EE584F43E57C88D236B7A56226BBD25" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:title id="F37470C8FDD2CACCD521EDFB67075317">New Phylogenetic Analysis of Paraprionospio Caullery (Polychaeta: Spionidae), with Description of a New Species from the Gulf of Mexico</mods:title>
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<mods:roleTerm id="261DC8301EDF42DE5411AA49D4967A46">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="4768BD147923A1C25F1569AEC45C9AC0">Delgado-Blas, Víctor H.</mods:namePart>
<mods:affiliation id="4D73F8BAD036810B8E56C6C9B6F158CD">Universidad de Quintana Roo, División de Ciencias e Ingeniería, Chetumal, Quintana Roo, 77010, México. E-mail: blas @ uqroo. edu. mx</mods:affiliation>
<mods:nameIdentifier id="C74DAA315C80A13E27E7D51396E6E097" type="email">blas@uqroo.edu.mx</mods:nameIdentifier>
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</mods:role>
<mods:namePart id="0C61777A95B4EB3DC376DF83088DDBA9">Carrera-Parra, Luis F.</mods:namePart>
<mods:affiliation id="D3F5FB416D21C424505F9110B6192A8C">El Colegio de la Frontera Sur. Depto. Sistemática y Ecología Acuática. Estructura y Función del Bentos. Chetumal, Quintana Roo, &amp; Universidad de Quintana Roo, División de Ciencias e Ingeniería, Chetumal, Quintana Roo, 77010, México. E-mail: blas @ uqroo. edu. mx</mods:affiliation>
<mods:nameIdentifier id="85E05969783C39670DF7BFB188B3AAA1" type="email">blas@uqroo.edu.mx</mods:nameIdentifier>
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<mods:typeOfResource id="A8B5CBF781036838819BDE69EF48802C">text</mods:typeOfResource>
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<mods:title id="88EFBC382D16832D65F0D363E3B64E33">Zoological Studies</mods:title>
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<mods:part id="36677D5F5D28EC2F89608A2A8FB44336">
<mods:date id="20AE9BF5EF85462B36B7DF53C56DAF50">2018</mods:date>
<mods:detail id="64C4BB99BAC1483CD362096B63DB5644" type="pubDate">
<mods:number id="E4388A5FF55A3A2906FE7190794D80AC">2018-11-19</mods:number>
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<mods:detail id="DADC019B3C2E1A73E02D159A2D69AA1F" type="volume">
<mods:number id="AD3CD84F2EE26A0F008EBAE9DA8A167E">57</mods:number>
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<mods:number id="80DF77357912A2FE2105DF98F42E749A">52</mods:number>
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<mods:start id="EB6204478F6B05B77AD8390EA8233E8A">1</mods:start>
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<mods:classification id="CA12457A865DE954F5E2E1C771F62B52">journal article</mods:classification>
<mods:identifier id="12DD904D930DA3181E98B389001FA66C" type="DOI">10.6620/ZS.2018.57-52</mods:identifier>
<mods:identifier id="C09B113AD30D30749C9114189A482DD8" type="ISSN">1810-522X</mods:identifier>
<mods:identifier id="D3952FB89E4006B4FF184E061226FDB4" type="PMC">PMC6517783</mods:identifier>
<mods:identifier id="D6A0D9EA259F71BDC2A0250A6FF6C2EC" type="PubMed">31966292</mods:identifier>
<mods:identifier id="AB552698A7F17E99000DC3A055165F16" type="Zenodo-Dep">13316385</mods:identifier>
<mods:identifier id="FAB256269AEB94D0926324345BFA15F7" type="ZooBank">242292F2-59EB-407D-BF73-D4D077565588</mods:identifier>
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<treatment id="C1227E3B0E43FFB8D0E9DDC7FD94F83F" ID-DOI="http://doi.org/10.5281/zenodo.12859537" ID-Zenodo-Dep="12859537" LSID="urn:lsid:plazi:treatment:C1227E3B0E43FFB8D0E9DDC7FD94F83F" httpUri="http://treatment.plazi.org/id/C1227E3B0E43FFB8D0E9DDC7FD94F83F" lastPageId="12" lastPageNumber="13" pageId="9" pageNumber="10">
<subSubSection id="01919CA60E43FFBDD0E9DDC7FD0BFE9F" box="[203,670,253,278]" pageId="9" pageNumber="10" type="nomenclature">
<paragraph id="4934CF2D0E43FFBDD0E9DDC7FD0BFE9F" blockId="9.[147,726,253,363]" box="[203,670,253,278]" pageId="9" pageNumber="10">
<heading id="127C78410E43FFBDD0E9DDC7FD0BFE9F" bold="true" box="[203,670,253,278]" centered="true" fontSize="10" level="2" pageId="9" pageNumber="10" reason="2">
<emphasis id="7BFF133F0E43FFBDD0E9DDC7FD0BFE9F" bold="true" box="[203,670,253,278]" pageId="9" pageNumber="10">
<taxonomicName id="8E8BB4AE0E43FFBDD0E9DDC7FDA0FE9F" ID-CoL="4D9Q6" authorityName="Delgado-Blas &amp; Carrera-Parra" authorityYear="2018" box="[203,565,253,278]" class="Polychaeta" family="Spionidae" genus="Paraprionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="dibranchiata" status="sp. nov.">
<emphasis id="7BFF133F0E43FFBDD0E9DDC7FDA0FE9F" bold="true" box="[203,565,253,278]" italics="true" pageId="9" pageNumber="10">Paraprionospio dibranchiata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="60CCAE440E43FFBDD21EDDC7FD0BFE9F" box="[572,670,253,278]" pageId="9" pageNumber="10" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="01919CA60E43FFB8D16ADC27FD94F83F" lastPageId="12" lastPageNumber="13" pageId="9" pageNumber="10" type="description">
<paragraph id="4934CF2D0E43FFBDD16ADC27FDB7FEBF" blockId="9.[147,726,253,363]" box="[328,546,285,310]" pageId="9" pageNumber="10">
(
<figureCitation id="D1B0D3A80E43FFBDD16DDC27FE34FEBF" box="[335,417,285,310]" captionStart="Fig" captionStartId="10.[174,208,1923,1943]" captionTargetBox="[178,1448,494,1898]" captionTargetId="figure-122@10.[178,1448,494,1898]" captionTargetPageId="10" captionText="Fig. 2. Paraprionospio dibranchiata sp. nov. ECOSUR-SEM. (A) anterior region, lateral view; (B) anterior region, dorso-lateral view; (C) anterior and middle region, dorsal view; (D) anterior region, lateral view; (E) interparapodial pouches. © 2018 Academia Sinica, Taiwan" figureDoi="http://doi.org/10.5281/zenodo.13316391" httpUri="https://zenodo.org/record/13316391/files/figure.png" pageId="9" pageNumber="10">Figs. 2</figureCitation>
A-E; 3A-D)
</paragraph>
<paragraph id="4934CF2D0E43FFBDD0B1DC02FD98FEE2" blockId="9.[147,726,253,363]" pageId="9" pageNumber="10">
<uri id="3D1AC32F0E43FFBDD0B1DC02FD98FEE2" pageId="9" pageNumber="10">
urn:lsid:zoobank.org:act:
<uuid id="3D2DF5F80E43FFBDD1B6DC02FD98FEE2" pageId="9" pageNumber="10">B384511A-F4DD-45B0-8B09- 0CE375C9C82E</uuid>
</uri>
</paragraph>
<paragraph id="4934CF2D0E43FFBDD0E7DCAAFC7BFEBF" blockId="9.[136,738,400,650]" lastBlockId="9.[813,1414,253,662]" pageId="9" pageNumber="10">
<emphasis id="7BFF133F0E43FFBDD0E7DCAAFEF6FE20" box="[197,355,400,425]" italics="true" pageId="9" pageNumber="10">Type material</emphasis>
:
<materialsCitation id="F9E3C5700E43FFBDD153DCAAFDC4FD80" collectionCode="USNM" collectorName="F. E. Donath Hernandez &amp; August" country="Mexico" elevation="16147" latitude="18.663334" location="Coatzacoalcos" longLatPrecision="127" longitude="-94.21833" municipality="Gulf" pageId="9" pageNumber="10" specimenCode="USNM 1187918" specimenCount="1" stateProvince="Veracruz de Ignacio de la Llave" typeStatus="holotype">
<typeStatus id="9630718F0E43FFBDD153DCAAFE4BFE20" box="[369,478,400,425]" pageId="9" pageNumber="10" type="holotype">Holotype</typeStatus>
,
<specimenCode id="192D67560E43FFBDD1CADCAAFD33FE20" box="[488,678,400,426]" collectionCode="USNM" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="9" pageNumber="10" type="Museum">USNM 1187918</specimenCode>
,
<collectingMunicipality id="A95055570E43FFBDD292DCAAFD74FE23" box="[688,737,400,426]" pageId="9" pageNumber="10">Gulf</collectingMunicipality>
of
<collectingCountry id="319C8FBD0E43FFBDD088DC8AFE93FE40" box="[170,262,432,457]" name="Mexico" pageId="9" pageNumber="10">Mexico</collectingCountry>
, off
<location id="4C5499F60E43FFBDD11EDC8AFE60FE43" LSID="urn:lsid:plazi:treatment:C1227E3B0E43FFB8D0E9DDC7FD94F83F:4C5499F60E43FFBDD11EDC8AFE60FE43" box="[316,501,432,458]" country="Mexico" latitude="18.663334" longLatPrecision="127" longitude="-94.21833" municipality="Gulf" name="Coatzacoalcos" pageId="9" pageNumber="10" stateProvince="Veracruz de Ignacio de la Llave">Coatzacoalcos</location>
,
<collectingRegion id="8B4F01CF0E43FFBDD221DC8AFDE1FE40" box="[515,628,432,457]" country="Mexico" name="Veracruz de Ignacio de la Llave" pageId="9" pageNumber="10">Veracruz</collectingRegion>
,
<collectingCountry id="319C8FBD0E43FFBDD2A0DC8AFD48FE40" box="[642,733,432,457]" name="Mexico" pageId="9" pageNumber="10">Mexico</collectingCountry>
,
<geoCoordinate id="2CBFA9EA0E43FFBDD0AADCEAFE95FE60" box="[136,256,464,489]" degrees="18" direction="north" minutes="39.8" orientation="latitude" pageId="9" pageNumber="10" precision="92" value="18.663334">18°39.8'N</geoCoordinate>
,
<geoCoordinate id="2CBFA9EA0E43FFBDD12CDCEAFE1EFE60" box="[270,395,464,489]" degrees="94" direction="west" minutes="13.1" orientation="longitude" pageId="9" pageNumber="10" precision="92" value="-94.21833">94°13.1'W</geoCoordinate>
, E
<quantity id="8E7362C80E43FFBDD188DCEAFDBDFE60" box="[426,552,464,489]" metricMagnitude="4" metricUnit="m" metricValue="1.6146999999999998" pageId="9" pageNumber="10" unit="m" value="16147.0">
<elevation id="C2A6281E0E43FFBDD188DCEAFDBDFE60" box="[426,552,464,489]" metricMagnitude="4" metricUnit="m" metricValue="1.6146999999999998" pageId="9" pageNumber="10" unit="m" value="16147.0">16, 147 m</elevation>
</quantity>
, mud, coll.
<collectorName id="E47EAAFB0E43FFBDD291DCEAFEE1FD83" pageId="9" pageNumber="10">F.E. Donath Hernández</collectorName>
, 10
<collectorName id="E47EAAFB0E43FFBDD18BDCCAFD97FD80" box="[425,514,496,521]" pageId="9" pageNumber="10">August</collectorName>
, 1984
</materialsCitation>
.
<typeStatus id="9630718F0E43FFBDD27DDCCAFD4BFD80" box="[607,734,496,521]" pageId="9" pageNumber="10" type="paratype">Paratypes</typeStatus>
: ECOSUR 0198,
<specimenCount id="5F8D04A40E43FFBDD176DF2AFE66FDA0" box="[340,499,528,553]" count="5" pageId="9" pageNumber="10" type="generic">5 specimens</specimenCount>
, off Coatzacoalcos,
<collectingRegion id="8B4F01CF0E43FFBDD0AADF0AFF61FDC0" box="[136,244,560,585]" country="Mexico" name="Veracruz de Ignacio de la Llave" pageId="9" pageNumber="10">Veracruz</collectingRegion>
,
<collectingCountry id="319C8FBD0E43FFBDD0DDDF0AFEC2FDC0" box="[255,343,560,585]" name="Mexico" pageId="9" pageNumber="10">Mexico</collectingCountry>
,
<geoCoordinate id="2CBFA9EA0E43FFBDD143DF0AFE4DFDC0" box="[353,472,560,585]" degrees="18" direction="north" minutes="40.2" orientation="latitude" pageId="9" pageNumber="10" precision="92" value="18.67">18°40.2'N</geoCoordinate>
,
<geoCoordinate id="2CBFA9EA0E43FFBDD1C0DF0AFDDDFDC0" box="[482,584,560,585]" degrees="94" direction="west" minutes="25" orientation="longitude" pageId="9" pageNumber="10" precision="925" value="-94.416664">94°25'W</geoCoordinate>
, E
<quantity id="8E7362C80E43FFBDD246DF0AFD48FDC0" box="[612,733,560,585]" metricMagnitude="4" metricUnit="m" metricValue="1.5185" pageId="9" pageNumber="10" unit="m" value="15185.0">15, 185 m</quantity>
, muddy, coll. F.E. Donath Hernández,
<date id="3D35E9ED0E43FFBDD241DF6AFF5BFD00" pageId="9" pageNumber="10" value="1984-08-10">10 August 1984</date>
. ECOSUR 0199,
<specimenCount id="5F8D04A40E43FFBDD19CDF4AFDCBFD00" box="[446,606,624,649]" count="1" pageId="9" pageNumber="10" type="generic">1 specimen</specimenCount>
,
<geoCoordinate id="2CBFA9EA0E43FFBDD24DDF4AFD4EFD00" box="[623,731,624,649]" degrees="18" direction="north" minutes="31" orientation="latitude" pageId="9" pageNumber="10" precision="925" value="18.516666">18°31'N</geoCoordinate>
,
<geoCoordinate id="2CBFA9EA0E43FFBDD30FDDC7FC01FE9F" box="[813,916,253,278]" degrees="94" direction="west" minutes="36" orientation="longitude" pageId="9" pageNumber="10" precision="925" value="-94.6">94°36'W</geoCoordinate>
, E12,
<quantity id="8E7362C80E43FFBDD3C2DDC7FBB5FE9F" box="[992,1056,253,278]" metricMagnitude="1" metricUnit="m" metricValue="6.3" pageId="9" pageNumber="10" unit="m" value="63.0">63 m</quantity>
, coll. F.E. Donath Hernández,
<date id="3D35E9ED0E43FFBDD30FDC27FC7EFEBF" box="[813,1003,285,310]" pageId="9" pageNumber="10" value="1984-08-10">10 August 1984</date>
.
</paragraph>
<paragraph id="4934CF2D0E43FFBDD34BDC07FB4BFE1E" blockId="9.[813,1414,253,662]" pageId="9" pageNumber="10">
<emphasis id="7BFF133F0E43FFBDD34BDC07FBCAFEDF" box="[873,1119,317,342]" italics="true" pageId="9" pageNumber="10">Additional material</emphasis>
: ECOSUR-SEM; E
<quantity id="8E7362C80E43FFBDD57CDC07FC11FEFF" metricMagnitude="4" metricUnit="m" metricValue="1.5185" pageId="9" pageNumber="10" unit="m" value="15185.0">15, 185 m</quantity>
,
<date id="3D35E9ED0E43FFBDD3B7DC67FBFEFEFF" box="[917,1131,349,374]" pageId="9" pageNumber="10" value="1984-08-10">10 August 1984</date>
,
<geoCoordinate id="2CBFA9EA0E43FFBDD459DC67FA94FEFF" box="[1147,1281,349,374]" degrees="18" direction="north" minutes="40.2" orientation="latitude" pageId="9" pageNumber="10" precision="92" value="18.67">18°40.2'N</geoCoordinate>
,
<geoCoordinate id="2CBFA9EA0E43FFBDD533DC67FA14FEFF" box="[1297,1409,349,374]" degrees="94" direction="west" minutes="25" orientation="longitude" pageId="9" pageNumber="10" precision="925" value="-94.416664">94°25'W</geoCoordinate>
, muddy, coll. F.E. Donath Hernández.
</paragraph>
<paragraph id="4934CF2D0E43FFBED34BDCA7FD90FEFF" blockId="9.[813,1414,253,662]" lastBlockId="10.[174,775,253,438]" lastPageId="10" lastPageNumber="11" pageId="9" pageNumber="10">
<emphasis id="7BFF133F0E43FFBDD34BDCA7FC6EFE3F" box="[873,1019,413,438]" italics="true" pageId="9" pageNumber="10">Description</emphasis>
:
<typeStatus id="9630718F0E43FFBDD432DCA7FB17FE3F" box="[1040,1154,413,438]" pageId="9" pageNumber="10" type="holotype">Holotype</typeStatus>
incomplete with 29 chaetigers,
<quantity id="8E7362C80E43FFBDD39EDC87FB97FE5F" box="[956,1026,445,470]" metricMagnitude="-3" metricUnit="m" metricValue="7.0" pageId="9" pageNumber="10" unit="mm" value="7.0">7 mm</quantity>
long,
<quantity id="8E7362C80E43FFBDD470DC87FB3AFE5F" box="[1106,1199,445,470]" metricMagnitude="-4" metricUnit="m" metricValue="4.0" pageId="9" pageNumber="10" unit="mm" value="0.4">0.4 mm</quantity>
wide. (
<typeStatus id="9630718F0E43FFBDD52BDC87FA13FE5F" box="[1289,1414,445,470]" pageId="9" pageNumber="10" type="paratype">Paratypes</typeStatus>
all incomplete with 20-27 chaetigers,
<quantity id="8E7362C80E43FFBDD52FDCE7FA11FE7F" box="[1293,1412,477,502]" metricMagnitude="-3" metricUnit="m" metricValue="5.25" metricValueMax="6.0" metricValueMin="4.5" pageId="9" pageNumber="10" unit="mm" value="5.25" valueMax="6.0" valueMin="4.5">4.5-6 mm</quantity>
long,
<quantity id="8E7362C80E43FFBDD35ADCC7FB98FD9F" box="[888,1037,509,534]" metricMagnitude="-4" metricUnit="m" metricValue="3.5" metricValueMax="4.0" metricValueMin="3.0" pageId="9" pageNumber="10" unit="mm" value="0.35" valueMax="0.4" valueMin="0.3">0.3-0.4 mm</quantity>
wide). Color in alcohol pale yellow. Prostomium fusiform, frontally truncate to slightly rounded, projecting slightly beyond peristomium (
<figureCitation id="D1B0D3A80E43FFBDD3FFDF67FBD6FDFF" box="[989,1091,605,630]" captionStart="Fig" captionStartId="10.[174,208,1923,1943]" captionTargetBox="[178,1448,494,1898]" captionTargetId="figure-122@10.[178,1448,494,1898]" captionTargetPageId="10" captionText="Fig. 2. Paraprionospio dibranchiata sp. nov. ECOSUR-SEM. (A) anterior region, lateral view; (B) anterior region, dorso-lateral view; (C) anterior and middle region, dorsal view; (D) anterior region, lateral view; (E) interparapodial pouches. © 2018 Academia Sinica, Taiwan" figureDoi="http://doi.org/10.5281/zenodo.13316391" httpUri="https://zenodo.org/record/13316391/files/figure.png" pageId="9" pageNumber="10">Fig. 2A</figureCitation>
), continuing as a narrow caruncle posterior to chaetiger 1. Eyes absent. Palps lost. Peristomium moderately developed, collar-like, surrounding the prostomium, distinct from chaetiger 1, with small lateral wings (
<figureCitation id="D1B0D3A80E40FFBED285DC07FD7EFEDF" box="[679,747,317,342]" captionStart="Fig" captionStartId="10.[174,208,1923,1943]" captionTargetBox="[178,1448,494,1898]" captionTargetId="figure-122@10.[178,1448,494,1898]" captionTargetPageId="10" captionText="Fig. 2. Paraprionospio dibranchiata sp. nov. ECOSUR-SEM. (A) anterior region, lateral view; (B) anterior region, dorso-lateral view; (C) anterior and middle region, dorsal view; (D) anterior region, lateral view; (E) interparapodial pouches. © 2018 Academia Sinica, Taiwan" figureDoi="http://doi.org/10.5281/zenodo.13316391" httpUri="https://zenodo.org/record/13316391/files/figure.png" pageId="10" pageNumber="11">Fig. 2</figureCitation>
A- B), without marginal papillae.
</paragraph>
<caption id="1DF49FA50E43FFBDD0AADFECFD44FC9B" pageId="9" pageNumber="10" startId="9.[136,207,726,751]" targetType="table">
<paragraph id="4934CF2D0E43FFBDD0AADFECFD44FC9B" blockId="9.[136,1412,726,786]" pageId="9" pageNumber="10">
<emphasis id="7BFF133F0E43FFBDD0AADFECFF64FD66" bold="true" box="[136,241,726,751]" pageId="9" pageNumber="10">Table 3.</emphasis>
Some taxonomic characters of four
<taxonomicName id="8E8BB4AE0E43FFBDD2F1DFECFC04FD66" baseAuthorityName="Caullery" baseAuthorityYear="1914" box="[723,913,726,751]" class="Polychaeta" family="Spionidae" genus="Paraprionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="genus">
<emphasis id="7BFF133F0E43FFBDD2F1DFECFC04FD66" box="[723,913,726,751]" italics="true" pageId="9" pageNumber="10">Paraprionospio</emphasis>
</taxonomicName>
species. NoPL: notopodial postchaetal lamellae; NuPL: neuropodial postchaetal lamellae
</paragraph>
</caption>
<paragraph id="4934CF2D0E43FFBDD0AEDE00FC7CF82B" pageId="9" pageNumber="10">
<table id="3B8B3D8D0E43004BD0AEDE00FAFDF82B" box="[140,1384,826,1954]" gridcols="5" gridrows="38" pageId="9" pageNumber="10">
<tr id="F7BBCD6F0E43004BD0AEDE00FAFDFCC7" box="[140,1384,826,846]" gridrow="0" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AEDE00FE1EFCC7" box="[140,395,826,846]" gridcol="0" gridrow="0" pageId="9" pageNumber="10">Characters</th>
<th id="B46AA4130E43004BD186DE00FD16FCC7" box="[420,643,826,846]" gridcol="1" gridrow="0" pageId="9" pageNumber="10">
<taxonomicName id="8E8BB4AE0E43FFBDD1D4DE00FDAEFCC7" baseAuthorityName="Moore" baseAuthorityYear="1923" box="[502,571,826,846]" class="Polychaeta" family="Spionidae" genus="Paraprionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="alata">
<emphasis id="7BFF133F0E43FFBDD1D4DE00FDAEFCC7" box="[502,571,826,846]" italics="true" pageId="9" pageNumber="10">P. alata</emphasis>
</taxonomicName>
</th>
<th id="B46AA4130E43004BD2B7DE00FCEFFCC7" box="[661,890,826,846]" gridcol="2" gridrow="0" pageId="9" pageNumber="10">
<taxonomicName id="8E8BB4AE0E43FFBDD2F0DE00FCD6FCC7" authorityName="Hartman" authorityYear="1951" box="[722,835,826,846]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="treadwelli">
<emphasis id="7BFF133F0E43FFBDD2F0DE00FCD6FCC7" box="[722,835,826,846]" italics="true" pageId="9" pageNumber="10">P. treadwelli</emphasis>
</taxonomicName>
</th>
<th id="B46AA4130E43004BD3A5DE00FB19FCC7" box="[903,1164,826,846]" gridcol="3" gridrow="0" pageId="9" pageNumber="10">
<taxonomicName id="8E8BB4AE0E43FFBDD3C1DE00FBA1FCC7" authorityName="Delgado-Blas" authorityYear="2004" box="[995,1076,826,846]" class="Polychaeta" family="Spionidae" genus="Paraprionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="tamaii">
<emphasis id="7BFF133F0E43FFBDD3C1DE00FBA1FCC7" box="[995,1076,826,846]" italics="true" pageId="9" pageNumber="10">P. tamaii</emphasis>
</taxonomicName>
</th>
<th id="B46AA4130E43004BD4B5DE00FAFDFCC7" box="[1175,1384,826,846]" gridcol="4" gridrow="0" pageId="9" pageNumber="10">
<taxonomicName id="8E8BB4AE0E43FFBDD4ECDE00FADEFCC7" authorityName="Delgado-Blas" authorityYear="2004" box="[1230,1355,826,846]" class="Polychaeta" family="Spionidae" genus="Paraprionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="yokoyamai">
<emphasis id="7BFF133F0E43FFBDD4ECDE00FADEFCC7" box="[1230,1355,826,846]" italics="true" pageId="9" pageNumber="10">P. yokoyamai</emphasis>
</taxonomicName>
</th>
</tr>
<tr id="F7BBCD6F0E43004BD0AEDE48FAFDFC0F" box="[140,1384,882,902]" gridrow="1" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AEDE48FE1EFC0F" box="[140,395,882,902]" gridcol="0" gridrow="1" pageId="9" pageNumber="10">Type locality</th>
<td id="B46AA4130E43004BD186DE48FD16FC0F" box="[420,643,882,902]" gridcol="1" gridrow="1" pageId="9" pageNumber="10">off Point Pinos</td>
<td id="B46AA4130E43004BD2B7DE48FCEFFC0F" box="[661,890,882,902]" gridcol="2" gridrow="1" pageId="9" pageNumber="10">Chesapeake Bay.</td>
<td id="B46AA4130E43004BD3A5DE48FB19FC0F" box="[903,1164,882,902]" gridcol="3" gridrow="1" pageId="9" pageNumber="10">Lake Worth, Florida.</td>
<td id="B46AA4130E43004BD4B5DE48FAFDFC0F" box="[1175,1384,882,902]" gridcol="4" gridrow="1" pageId="9" pageNumber="10">between Dry Tortugas</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AEDEAAFAFDFC2D" box="[140,1384,912,932]" gridrow="2" pageId="9" pageNumber="10" rowspan-0="1">
<td id="B46AA4130E43004BD186DEAAFD16FC2D" box="[420,643,912,932]" gridcol="1" gridrow="2" pageId="9" pageNumber="10">Lighthouse, Monterey</td>
<td id="B46AA4130E43004BD2B7DEAAFCEFFC2D" box="[661,890,912,932]" gridcol="2" gridrow="2" pageId="9" pageNumber="10">7-48 m depth</td>
<td id="B46AA4130E43004BD3A5DEAAFB19FC2D" box="[903,1164,912,932]" gridcol="3" gridrow="2" pageId="9" pageNumber="10">2.5-13 m depth</td>
<td id="B46AA4130E43004BD4B5DEAAFAFDFC2D" box="[1175,1384,912,932]" gridcol="4" gridrow="2" pageId="9" pageNumber="10">National Park and</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AEDE97FAFDFC48" box="[140,1384,941,961]" gridrow="3" pageId="9" pageNumber="10" rowspan-0="1" rowspan-2="1" rowspan-3="1">
<td id="B46AA4130E43004BD186DE97FD16FC48" box="[420,643,941,961]" gridcol="1" gridrow="3" pageId="9" pageNumber="10">Bay, California. 102 m</td>
<td id="B46AA4130E43004BD4B5DE97FAFDFC48" box="[1175,1384,941,961]" gridcol="4" gridrow="3" pageId="9" pageNumber="10">Naples, Florida, 16-</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AEDEF0FAFDFC57" box="[140,1384,970,990]" gridrow="4" pageId="9" pageNumber="10" rowspan-0="1" rowspan-2="1" rowspan-3="1">
<td id="B46AA4130E43004BD186DEF0FD16FC57" box="[420,643,970,990]" gridcol="1" gridrow="4" pageId="9" pageNumber="10">depth</td>
<td id="B46AA4130E43004BD4B5DEF0FAFDFC57" box="[1175,1384,970,990]" gridcol="4" gridrow="4" pageId="9" pageNumber="10">100 m depth</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AEDEDDFAFDFC72" box="[140,1384,999,1019]" gridrow="5" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AEDEDDFE1EFC72" box="[140,395,999,1019]" gridcol="0" gridrow="5" pageId="9" pageNumber="10">Prostomium peaks</th>
<td id="B46AA4130E43004BD186DEDDFD16FC72" box="[420,643,999,1019]" gridcol="1" gridrow="5" pageId="9" pageNumber="10">Absent</td>
<td id="B46AA4130E43004BD2B7DEDDFCEFFC72" box="[661,890,999,1019]" gridcol="2" gridrow="5" pageId="9" pageNumber="10">Present</td>
<td id="B46AA4130E43004BD3A5DEDDFB19FC72" box="[903,1164,999,1019]" gridcol="3" gridrow="5" pageId="9" pageNumber="10">Absent</td>
<td id="B46AA4130E43004BD4B5DEDDFAFDFC72" box="[1175,1384,999,1019]" gridcol="4" gridrow="5" pageId="9" pageNumber="10">Absent</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AED93EFAFDFB91" box="[140,1384,1028,1048]" gridrow="6" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AED93EFE1EFB91" box="[140,395,1028,1048]" gridcol="0" gridrow="6" pageId="9" pageNumber="10">Peristomium size</th>
<td id="B46AA4130E43004BD186D93EFD16FB91" box="[420,643,1028,1048]" gridcol="1" gridrow="6" pageId="9" pageNumber="10">Large, prolonged</td>
<td id="B46AA4130E43004BD2B7D93EFCEFFB91" box="[661,890,1028,1048]" gridcol="2" gridrow="6" pageId="9" pageNumber="10">Moderate. Lateral wings</td>
<td id="B46AA4130E43004BD3A5D93EFB19FB91" box="[903,1164,1028,1048]" gridcol="3" gridrow="6" pageId="9" pageNumber="10">Large. Lateral</td>
<td id="B46AA4130E43004BD4B5D93EFAFDFB91" box="[1175,1384,1028,1048]" gridcol="4" gridrow="6" pageId="9" pageNumber="10">Large. Lateral</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AED91BFAFDFBBC" box="[140,1384,1057,1077]" gridrow="7" pageId="9" pageNumber="10" rowspan-0="1">
<td id="B46AA4130E43004BD186D91BFD16FBBC" box="[420,643,1057,1077]" gridcol="1" gridrow="7" pageId="9" pageNumber="10">forward nearly to the</td>
<td id="B46AA4130E43004BD2B7D91BFCEFFBBC" box="[661,890,1057,1077]" gridcol="2" gridrow="7" pageId="9" pageNumber="10">partly enclosing the</td>
<td id="B46AA4130E43004BD3A5D91BFB19FBBC" box="[903,1164,1057,1077]" gridcol="3" gridrow="7" pageId="9" pageNumber="10">wings partly enclosing the</td>
<td id="B46AA4130E43004BD4B5D91BFAFDFBBC" box="[1175,1384,1057,1077]" gridcol="4" gridrow="7" pageId="9" pageNumber="10">wings partly enclosing</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AED905FAFDFBDA" box="[140,1384,1087,1107]" gridrow="8" pageId="9" pageNumber="10" rowspan-0="1">
<td id="B46AA4130E43004BD186D905FD16FBDA" box="[420,643,1087,1107]" gridcol="1" gridrow="8" pageId="9" pageNumber="10">tip of prostomium,</td>
<td id="B46AA4130E43004BD2B7D905FCEFFBDA" box="[661,890,1087,1107]" gridcol="2" gridrow="8" pageId="9" pageNumber="10">prostomium</td>
<td id="B46AA4130E43004BD3A5D905FB19FBDA" box="[903,1164,1087,1107]" gridcol="3" gridrow="8" pageId="9" pageNumber="10">prostomium</td>
<td id="B46AA4130E43004BD4B5D905FAFDFBDA" box="[1175,1384,1087,1107]" gridcol="4" gridrow="8" pageId="9" pageNumber="10">the prostomium</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AED966FAFDFBF9" box="[140,1384,1116,1136]" gridrow="9" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AED966FAFDFBF9" box="[140,1384,1116,1136]" colspan="5" colspanRight="4" gridcol="0" gridrow="9" pageId="9" pageNumber="10">lateral wings touching</th>
</tr>
<tr id="F7BBCD6F0E43004BD0AED943FAFDFB04" box="[140,1384,1145,1165]" gridrow="10" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AED943FAFDFB04" box="[140,1384,1145,1165]" colspan="5" colspanRight="4" gridcol="0" gridrow="10" pageId="9" pageNumber="10">each other</th>
</tr>
<tr id="F7BBCD6F0E43004BD0AED9ACFAFDFB23" box="[140,1384,1174,1194]" gridrow="11" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AED9ACFAFDFB23" box="[140,1384,1174,1194]" colspan="5" colspanRight="4" gridcol="0" gridrow="11" pageId="9" pageNumber="10">Anterior NoPL</th>
</tr>
<tr id="F7BBCD6F0E43004BD0AED989FAFDFB41" box="[140,1384,1203,1224]" gridrow="12" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AED989FE1EFB41" box="[140,395,1203,1224]" gridcol="0" gridrow="12" pageId="9" pageNumber="10">a. Chaetiger 1</th>
<td id="B46AA4130E43004BD186D989FD16FB41" box="[420,643,1203,1224]" gridcol="1" gridrow="12" pageId="9" pageNumber="10">a. subtriangular</td>
<td id="B46AA4130E43004BD2B7D989FCEFFB41" box="[661,890,1203,1224]" gridcol="2" gridrow="12" pageId="9" pageNumber="10">a. triangular</td>
<td id="B46AA4130E43004BD3A5D989FB19FB41" box="[903,1164,1203,1224]" gridcol="3" gridrow="12" pageId="9" pageNumber="10">a. oval</td>
<td id="B46AA4130E43004BD4B5D989FAFDFB41" box="[1175,1384,1203,1224]" gridcol="4" gridrow="12" pageId="9" pageNumber="10">a. triangular</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AED9EBFAFDFB6C" box="[140,1384,1233,1253]" gridrow="13" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AED9EBFE1EFB6C" box="[140,395,1233,1253]" gridcol="0" gridrow="13" pageId="9" pageNumber="10">b. Chaetiger 2</th>
<td id="B46AA4130E43004BD186D9EBFD16FB6C" box="[420,643,1233,1253]" gridcol="1" gridrow="13" pageId="9" pageNumber="10">b. subtriangular</td>
<td id="B46AA4130E43004BD2B7D9EBFCEFFB6C" box="[661,890,1233,1253]" gridcol="2" gridrow="13" pageId="9" pageNumber="10">b. triangular</td>
<td id="B46AA4130E43004BD3A5D9EBFB19FB6C" box="[903,1164,1233,1253]" gridcol="3" gridrow="13" pageId="9" pageNumber="10">b. oval</td>
<td id="B46AA4130E43004BD4B5D9EBFAFDFB6C" box="[1175,1384,1233,1253]" gridcol="4" gridrow="13" pageId="9" pageNumber="10">b. triangular</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AED9D4FAFDFA8B" box="[140,1384,1262,1282]" gridrow="14" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AED9D4FE1EFA8B" box="[140,395,1262,1282]" gridcol="0" gridrow="14" pageId="9" pageNumber="10">c. Chaetiger 3</th>
<td id="B46AA4130E43004BD186D9D4FD16FA8B" box="[420,643,1262,1282]" gridcol="1" gridrow="14" pageId="9" pageNumber="10">c. subtriangular</td>
<td id="B46AA4130E43004BD2B7D9D4FCEFFA8B" box="[661,890,1262,1282]" gridcol="2" gridrow="14" pageId="9" pageNumber="10">c. triangular</td>
<td id="B46AA4130E43004BD3A5D9D4FB19FA8B" box="[903,1164,1262,1282]" gridcol="3" gridrow="14" pageId="9" pageNumber="10">c. subtriangular</td>
<td id="B46AA4130E43004BD4B5D9D4FAFDFA8B" box="[1175,1384,1262,1282]" gridcol="4" gridrow="14" pageId="9" pageNumber="10">c. triangular</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AED831FAFDFAA9" box="[140,1384,1291,1312]" gridrow="15" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AED831FE1EFAA9" box="[140,395,1291,1312]" gridcol="0" gridrow="15" pageId="9" pageNumber="10">d. Chaetiger 4</th>
<td id="B46AA4130E43004BD186D831FD16FAA9" box="[420,643,1291,1312]" gridcol="1" gridrow="15" pageId="9" pageNumber="10">d. reniform</td>
<td id="B46AA4130E43004BD2B7D831FCEFFAA9" box="[661,890,1291,1312]" gridcol="2" gridrow="15" pageId="9" pageNumber="10">d. subtriangular</td>
<td id="B46AA4130E43004BD3A5D831FB19FAA9" box="[903,1164,1291,1312]" gridcol="3" gridrow="15" pageId="9" pageNumber="10">d. reniform</td>
<td id="B46AA4130E43004BD4B5D831FAFDFAA9" box="[1175,1384,1291,1312]" gridcol="4" gridrow="15" pageId="9" pageNumber="10">d. subtriangular</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AED813FAFDFAB4" box="[140,1384,1321,1341]" gridrow="16" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AED813FE1EFAB4" box="[140,395,1321,1341]" gridcol="0" gridrow="16" pageId="9" pageNumber="10">e. Chaetiger 5</th>
<td id="B46AA4130E43004BD186D813FD16FAB4" box="[420,643,1321,1341]" gridcol="1" gridrow="16" pageId="9" pageNumber="10">e. reniform</td>
<td id="B46AA4130E43004BD2B7D813FCEFFAB4" box="[661,890,1321,1341]" gridcol="2" gridrow="16" pageId="9" pageNumber="10">e. subtriangular</td>
<td id="B46AA4130E43004BD3A5D813FB19FAB4" box="[903,1164,1321,1341]" gridcol="3" gridrow="16" pageId="9" pageNumber="10">e. reniform</td>
<td id="B46AA4130E43004BD4B5D813FAFDFAB4" box="[1175,1384,1321,1341]" gridcol="4" gridrow="16" pageId="9" pageNumber="10">e. subtriangular</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AED87CFAFDFAD3" box="[140,1384,1350,1370]" gridrow="17" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AED87CFE1EFAD3" box="[140,395,1350,1370]" gridcol="0" gridrow="17" pageId="9" pageNumber="10">f. Chaetiger 6</th>
<td id="B46AA4130E43004BD186D87CFD16FAD3" box="[420,643,1350,1370]" gridcol="1" gridrow="17" pageId="9" pageNumber="10">f. reniform</td>
<td id="B46AA4130E43004BD2B7D87CFCEFFAD3" box="[661,890,1350,1370]" gridcol="2" gridrow="17" pageId="9" pageNumber="10">f. subtriangular</td>
<td id="B46AA4130E43004BD3A5D87CFB19FAD3" box="[903,1164,1350,1370]" gridcol="3" gridrow="17" pageId="9" pageNumber="10">f. reniform</td>
<td id="B46AA4130E43004BD4B5D87CFAFDFAD3" box="[1175,1384,1350,1370]" gridcol="4" gridrow="17" pageId="9" pageNumber="10">f. subtriangular</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AED859FAFDFAFE" box="[140,1384,1379,1399]" gridrow="18" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AED859FE1EFAFE" box="[140,395,1379,1399]" gridcol="0" gridrow="18" pageId="9" pageNumber="10">Middle and posterior NoPL</th>
<td id="B46AA4130E43004BD186D859FD16FAFE" box="[420,643,1379,1399]" gridcol="1" gridrow="18" pageId="9" pageNumber="10">triangular</td>
<td id="B46AA4130E43004BD2B7D859FCEFFAFE" box="[661,890,1379,1399]" gridcol="2" gridrow="18" pageId="9" pageNumber="10">rounded</td>
<td id="B46AA4130E43004BD3A5D859FB19FAFE" box="[903,1164,1379,1399]" gridcol="3" gridrow="18" pageId="9" pageNumber="10">cirriform</td>
<td id="B46AA4130E43004BD4B5D859FAFDFAFE" box="[1175,1384,1379,1399]" gridcol="4" gridrow="18" pageId="9" pageNumber="10">cirriform</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AED8BAFAFDFA1D" box="[140,1384,1408,1428]" gridrow="19" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AED8BAFAFDFA1D" box="[140,1384,1408,1428]" colspan="5" colspanRight="4" gridcol="0" gridrow="19" pageId="9" pageNumber="10">Anterior NuPL</th>
</tr>
<tr id="F7BBCD6F0E43004BD0AED8A7FAFDFA38" box="[140,1384,1437,1457]" gridrow="20" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AED8A7FE1EFA38" box="[140,395,1437,1457]" gridcol="0" gridrow="20" pageId="9" pageNumber="10">a. Chaetigers 1</th>
<td id="B46AA4130E43004BD186D8A7FD16FA38" box="[420,643,1437,1457]" gridcol="1" gridrow="20" pageId="9" pageNumber="10">a. triangular</td>
<td id="B46AA4130E43004BD2B7D8A7FCEFFA38" box="[661,890,1437,1457]" gridcol="2" gridrow="20" pageId="9" pageNumber="10">a. subtriangular</td>
<td id="B46AA4130E43004BD3A5D8A7FB19FA38" box="[903,1164,1437,1457]" gridcol="3" gridrow="20" pageId="9" pageNumber="10">a. triangular</td>
<td id="B46AA4130E43004BD4B5D8A7FAFDFA38" box="[1175,1384,1437,1457]" gridcol="4" gridrow="20" pageId="9" pageNumber="10">a. triangular</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AED881FAFDFA46" box="[140,1384,1467,1487]" gridrow="21" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AED881FE1EFA46" box="[140,395,1467,1487]" gridcol="0" gridrow="21" pageId="9" pageNumber="10">b. Chaetiger 2</th>
<td id="B46AA4130E43004BD186D881FD16FA46" box="[420,643,1467,1487]" gridcol="1" gridrow="21" pageId="9" pageNumber="10">b. triangular</td>
<td id="B46AA4130E43004BD2B7D881FCEFFA46" box="[661,890,1467,1487]" gridcol="2" gridrow="21" pageId="9" pageNumber="10">b. subtriangular</td>
<td id="B46AA4130E43004BD3A5D881FB19FA46" box="[903,1164,1467,1487]" gridcol="3" gridrow="21" pageId="9" pageNumber="10">b. triangular</td>
<td id="B46AA4130E43004BD4B5D881FAFDFA46" box="[1175,1384,1467,1487]" gridcol="4" gridrow="21" pageId="9" pageNumber="10">b. triangular</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AED8E2FAFDFA65" box="[140,1384,1496,1516]" gridrow="22" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AED8E2FE1EFA65" box="[140,395,1496,1516]" gridcol="0" gridrow="22" pageId="9" pageNumber="10">c. Chaetiger 3</th>
<td id="B46AA4130E43004BD186D8E2FD16FA65" box="[420,643,1496,1516]" gridcol="1" gridrow="22" pageId="9" pageNumber="10">c. triangular</td>
<td id="B46AA4130E43004BD2B7D8E2FCEFFA65" box="[661,890,1496,1516]" gridcol="2" gridrow="22" pageId="9" pageNumber="10">c. rounded</td>
<td id="B46AA4130E43004BD3A5D8E2FB19FA65" box="[903,1164,1496,1516]" gridcol="3" gridrow="22" pageId="9" pageNumber="10">c. oval</td>
<td id="B46AA4130E43004BD4B5D8E2FAFDFA65" box="[1175,1384,1496,1516]" gridcol="4" gridrow="22" pageId="9" pageNumber="10">c. cordate</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AED8CFFAFDF980" box="[140,1384,1525,1545]" gridrow="23" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AED8CFFE1EF980" box="[140,395,1525,1545]" gridcol="0" gridrow="23" pageId="9" pageNumber="10">d. Chaetiger 4</th>
<td id="B46AA4130E43004BD186D8CFFD16F980" box="[420,643,1525,1545]" gridcol="1" gridrow="23" pageId="9" pageNumber="10">d. reniform</td>
<td id="B46AA4130E43004BD2B7D8CFFCEFF980" box="[661,890,1525,1545]" gridcol="2" gridrow="23" pageId="9" pageNumber="10">d. rounded</td>
<td id="B46AA4130E43004BD3A5D8CFFB19F980" box="[903,1164,1525,1545]" gridcol="3" gridrow="23" pageId="9" pageNumber="10">d. rounded</td>
<td id="B46AA4130E43004BD4B5D8CFFAFDF980" box="[1175,1384,1525,1545]" gridcol="4" gridrow="23" pageId="9" pageNumber="10">d. rounded</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AEDB29FAFDF9AE" box="[140,1384,1555,1575]" gridrow="24" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AEDB29FE1EF9AE" box="[140,395,1555,1575]" gridcol="0" gridrow="24" pageId="9" pageNumber="10">e. Chaetiger 5</th>
<td id="B46AA4130E43004BD186DB29FD16F9AE" box="[420,643,1555,1575]" gridcol="1" gridrow="24" pageId="9" pageNumber="10">e. reniform</td>
<td id="B46AA4130E43004BD2B7DB29FCEFF9AE" box="[661,890,1555,1575]" gridcol="2" gridrow="24" pageId="9" pageNumber="10">e. rounded</td>
<td id="B46AA4130E43004BD3A5DB29FB19F9AE" box="[903,1164,1555,1575]" gridcol="3" gridrow="24" pageId="9" pageNumber="10">e. rounded</td>
<td id="B46AA4130E43004BD4B5DB29FAFDF9AE" box="[1175,1384,1555,1575]" gridcol="4" gridrow="24" pageId="9" pageNumber="10">e. rounded</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AEDB0AFAFDF9CD" box="[140,1384,1584,1604]" gridrow="25" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AEDB0AFE1EF9CD" box="[140,395,1584,1604]" gridcol="0" gridrow="25" pageId="9" pageNumber="10">f. Chaetiger 6</th>
<td id="B46AA4130E43004BD186DB0AFD16F9CD" box="[420,643,1584,1604]" gridcol="1" gridrow="25" pageId="9" pageNumber="10">f. reniform</td>
<td id="B46AA4130E43004BD2B7DB0AFCEFF9CD" box="[661,890,1584,1604]" gridcol="2" gridrow="25" pageId="9" pageNumber="10">f. rounded</td>
<td id="B46AA4130E43004BD3A5DB0AFB19F9CD" box="[903,1164,1584,1604]" gridcol="3" gridrow="25" pageId="9" pageNumber="10">f. rounded</td>
<td id="B46AA4130E43004BD4B5DB0AFAFDF9CD" box="[1175,1384,1584,1604]" gridcol="4" gridrow="25" pageId="9" pageNumber="10">f. rounded</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AEDB77FAFDF9E8" box="[140,1384,1613,1633]" gridrow="26" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AEDB77FE1EF9E8" box="[140,395,1613,1633]" gridcol="0" gridrow="26" pageId="9" pageNumber="10">Anterior notochaetae</th>
<td id="B46AA4130E43004BD186DB77FD16F9E8" box="[420,643,1613,1633]" gridcol="1" gridrow="26" pageId="9" pageNumber="10">Bilimbate</td>
<td id="B46AA4130E43004BD2B7DB77FCEFF9E8" box="[661,890,1613,1633]" gridcol="2" gridrow="26" pageId="9" pageNumber="10">Unilimbate</td>
<td id="B46AA4130E43004BD3A5DB77FB19F9E8" box="[903,1164,1613,1633]" gridcol="3" gridrow="26" pageId="9" pageNumber="10">Slightly limbate</td>
<td id="B46AA4130E43004BD4B5DB77FAFDF9E8" box="[1175,1384,1613,1633]" gridcol="4" gridrow="26" pageId="9" pageNumber="10">Slightly limbate</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AEDB50FAFDF9F7" box="[140,1384,1642,1662]" gridrow="27" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AEDB50FAFDF9F7" box="[140,1384,1642,1662]" colspan="5" colspanRight="4" gridcol="0" gridrow="27" pageId="9" pageNumber="10">capillary</th>
</tr>
<tr id="F7BBCD6F0E43004BD0AEDBBDFAFDF912" box="[140,1384,1671,1691]" gridrow="28" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AEDBBDFE1EF912" box="[140,395,1671,1691]" gridcol="0" gridrow="28" pageId="9" pageNumber="10">Anterior neurochaetae</th>
<td id="B46AA4130E43004BD186DBBDFD16F912" box="[420,643,1671,1691]" gridcol="1" gridrow="28" pageId="9" pageNumber="10">Bilimbate</td>
<td id="B46AA4130E43004BD2B7DBBDFCEFF912" box="[661,890,1671,1691]" gridcol="2" gridrow="28" pageId="9" pageNumber="10">Alimbate</td>
<td id="B46AA4130E43004BD3A5DBBDFB19F912" box="[903,1164,1671,1691]" gridcol="3" gridrow="28" pageId="9" pageNumber="10">Slightly limbate</td>
<td id="B46AA4130E43004BD4B5DBBDFAFDF912" box="[1175,1384,1671,1691]" gridcol="4" gridrow="28" pageId="9" pageNumber="10">Slightly limbate</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AEDB9FFAFDF930" box="[140,1384,1701,1721]" gridrow="29" pageId="9" pageNumber="10" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-4="1">
<th id="B46AA4130E43004BD0AEDB9FFE1EF930" box="[140,395,1701,1721]" gridcol="0" gridrow="29" pageId="9" pageNumber="10">capillary</th>
</tr>
<tr id="F7BBCD6F0E43004BD0AEDBFBFAFDF95C" box="[140,1384,1729,1749]" gridrow="30" pageId="9" pageNumber="10" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-4="1">
<th id="B46AA4130E43004BD0AEDBFBFE1EF95C" box="[140,395,1729,1749]" gridcol="0" gridrow="30" pageId="9" pageNumber="10">Neuropodial hooded hooks</th>
</tr>
<tr id="F7BBCD6F0E43004BD0AEDBE5FAFDF97A" box="[140,1384,1759,1779]" gridrow="31" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AEDBE5FE1EF97A" box="[140,395,1759,1779]" gridcol="0" gridrow="31" pageId="9" pageNumber="10">a. Accessory teeth</th>
<td id="B46AA4130E43004BD186DBE5FD16F97A" box="[420,643,1759,1779]" gridcol="1" gridrow="31" pageId="9" pageNumber="10">a. 3 pairs</td>
<td id="B46AA4130E43004BD2B7DBE5FCEFF97A" box="[661,890,1759,1779]" gridcol="2" gridrow="31" pageId="9" pageNumber="10">a. 2-3 pairs</td>
<td id="B46AA4130E43004BD3A5DBE5FB19F97A" box="[903,1164,1759,1779]" gridcol="3" gridrow="31" pageId="9" pageNumber="10">a. 3 pairs and a single,</td>
<td id="B46AA4130E43004BD4B5DBE5FAFDF97A" box="[1175,1384,1759,1779]" gridcol="4" gridrow="31" pageId="9" pageNumber="10">a. 3-4 pairs</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AEDBC6FAFDF899" box="[140,1384,1788,1808]" gridrow="32" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AEDBC6FE1EF899" box="[140,395,1788,1808]" gridcol="0" gridrow="32" pageId="9" pageNumber="10">b. Secondary hood</th>
<td id="B46AA4130E43004BD186DBC6FD16F899" box="[420,643,1788,1808]" gridcol="1" gridrow="32" pageId="9" pageNumber="10">b. Present</td>
<td id="B46AA4130E43004BD2B7DBC6FCEFF899" box="[661,890,1788,1808]" gridcol="2" gridrow="32" pageId="9" pageNumber="10">c. Absent</td>
<td id="B46AA4130E43004BD3A5DBC6FB19F899" box="[903,1164,1788,1808]" gridcol="3" gridrow="32" pageId="9" pageNumber="10">medial tooth at distal end</td>
<td id="B46AA4130E43004BD4B5DBC6FAFDF899" box="[1175,1384,1788,1808]" gridcol="4" gridrow="32" pageId="9" pageNumber="10">b. Present</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AEDA23FAFDF8A4" box="[140,1384,1817,1837]" gridrow="33" pageId="9" pageNumber="10" rowspan-0="1" rowspan-1="1" rowspan-2="1" rowspan-4="1">
<td id="B46AA4130E43004BD3A5DA23FB19F8A4" box="[903,1164,1817,1837]" gridcol="3" gridrow="33" pageId="9" pageNumber="10">b. Present</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AEDA0CFAFDF8C3" box="[140,1384,1846,1866]" gridrow="34" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AEDA0CFAFDF8C3" box="[140,1384,1846,1866]" colspan="5" colspanRight="4" gridcol="0" gridrow="34" pageId="9" pageNumber="10">Notopodial hooded hooks</th>
</tr>
<tr id="F7BBCD6F0E43004BD0AEDA6EFAFDF8E1" box="[140,1384,1876,1896]" gridrow="35" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AEDA6EFE1EF8E1" box="[140,395,1876,1896]" gridcol="0" gridrow="35" pageId="9" pageNumber="10">a. Accessory teeth</th>
<td id="B46AA4130E43004BD186DA6EFD16F8E1" box="[420,643,1876,1896]" gridcol="1" gridrow="35" pageId="9" pageNumber="10">a. 3 pairs</td>
<td id="B46AA4130E43004BD2B7DA6EFCEFF8E1" box="[661,890,1876,1896]" gridcol="2" gridrow="35" pageId="9" pageNumber="10">a. 2 pairs</td>
<td id="B46AA4130E43004BD3A5DA6EFB19F8E1" box="[903,1164,1876,1896]" gridcol="3" gridrow="35" pageId="9" pageNumber="10">a. 3 pairs and a single,</td>
<td id="B46AA4130E43004BD4B5DA6EFAFDF8E1" box="[1175,1384,1876,1896]" gridcol="4" gridrow="35" pageId="9" pageNumber="10">a. 3-4 pairs</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AEDA4BFAFDF80C" box="[140,1384,1905,1925]" gridrow="36" pageId="9" pageNumber="10">
<th id="B46AA4130E43004BD0AEDA4BFE1EF80C" box="[140,395,1905,1925]" gridcol="0" gridrow="36" pageId="9" pageNumber="10">b. Secondary hood</th>
<td id="B46AA4130E43004BD186DA4BFD16F80C" box="[420,643,1905,1925]" gridcol="1" gridrow="36" pageId="9" pageNumber="10">b. Present</td>
<td id="B46AA4130E43004BD2B7DA4BFCEFF80C" box="[661,890,1905,1925]" gridcol="2" gridrow="36" pageId="9" pageNumber="10">b. Absent</td>
<td id="B46AA4130E43004BD3A5DA4BFB19F80C" box="[903,1164,1905,1925]" gridcol="3" gridrow="36" pageId="9" pageNumber="10">medial tooth at distal end</td>
<td id="B46AA4130E43004BD4B5DA4BFAFDF80C" box="[1175,1384,1905,1925]" gridcol="4" gridrow="36" pageId="9" pageNumber="10">b. Present</td>
</tr>
<tr id="F7BBCD6F0E43004BD0AEDAB4FAFDF82B" box="[140,1384,1934,1954]" gridrow="37" pageId="9" pageNumber="10" rowspan-0="1" rowspan-1="1" rowspan-2="1" rowspan-4="1">
<td id="B46AA4130E43004BD3A5DAB4FB19F82B" box="[903,1164,1934,1954]" gridcol="3" gridrow="37" pageId="9" pageNumber="10">b. Present</td>
</tr>
</table>
</paragraph>
<footnote id="2A90D3230E43FFBDD0AADAE7FE0DF866" box="[136,408,2013,2031]" pageId="9" pageNumber="10">
<paragraph id="4934CF2D0E43FFBDD0AADAE7FE0DF866" blockId="9.[136,408,2013,2031]" box="[136,408,2013,2031]" pageId="9" pageNumber="10">© 2018 Academia Sinica, Taiwan</paragraph>
</footnote>
<paragraph id="4934CF2D0E40FFBFD0C8DC47FE90FE7F" blockId="10.[174,775,253,438]" lastBlockId="11.[136,737,253,822]" lastPageId="11" lastPageNumber="12" pageId="10" pageNumber="11">
Two pairs of branchiae present on chaetigers 1-2 (
<figureCitation id="D1B0D3A80E40FFBED0C5DCA7FED2FE3F" box="[231,327,413,438]" captionStart="Fig" captionStartId="11.[138,172,1923,1943]" captionTargetBox="[145,1379,898,1894]" captionTargetId="figure-5@11.[140,1410,845,1939]" captionTargetPageId="11" captionText="Fig. 3. Paraprionospio dibranchiata sp. nov. Holotype USNM 1187918. (A) anterior region, lateral view; (B) ventrolateral interparapodial pouches; (C) sabre chaeta; (D) neuropodial hooded hook. Scale bars: A = 200 µm; B = 64.28 µm; C, D = 0.5 µm. © 2018 Academia Sinica, Taiwan" figureDoi="http://doi.org/10.5281/zenodo.13316393" httpUri="https://zenodo.org/record/13316393/files/figure.png" pageId="10" pageNumber="11">Fig. 3A</figureCitation>
); first pair longest, joined basally by a small dorsal ridge, with few and small pinnules plate-like (
<figureCitation id="D1B0D3A80E40FFBED3FDDC27FBDCFEBF" box="[991,1097,285,310]" captionStart="Fig" captionStartId="11.[138,172,1923,1943]" captionTargetBox="[145,1379,898,1894]" captionTargetId="figure-5@11.[140,1410,845,1939]" captionTargetPageId="11" captionText="Fig. 3. Paraprionospio dibranchiata sp. nov. Holotype USNM 1187918. (A) anterior region, lateral view; (B) ventrolateral interparapodial pouches; (C) sabre chaeta; (D) neuropodial hooded hook. Scale bars: A = 200 µm; B = 64.28 µm; C, D = 0.5 µm. © 2018 Academia Sinica, Taiwan" figureDoi="http://doi.org/10.5281/zenodo.13316393" httpUri="https://zenodo.org/record/13316393/files/figure.png" pageId="10" pageNumber="11">Fig. 3A</figureCitation>
); the most basal branchial lamellae consisting of one rounded plate, lamellae on middle and distal regions thick, blunt and arranged along the posterior margins of the branchial shaft (
<figureCitation id="D1B0D3A80E40FFBED437DCA7FBE1FE3F" box="[1045,1140,413,438]" captionStart="Fig" captionStartId="11.[138,172,1923,1943]" captionTargetBox="[145,1379,898,1894]" captionTargetId="figure-5@11.[140,1410,845,1939]" captionTargetPageId="11" captionText="Fig. 3. Paraprionospio dibranchiata sp. nov. Holotype USNM 1187918. (A) anterior region, lateral view; (B) ventrolateral interparapodial pouches; (C) sabre chaeta; (D) neuropodial hooded hook. Scale bars: A = 200 µm; B = 64.28 µm; C, D = 0.5 µm. © 2018 Academia Sinica, Taiwan" figureDoi="http://doi.org/10.5281/zenodo.13316393" httpUri="https://zenodo.org/record/13316393/files/figure.png" pageId="10" pageNumber="11">Fig. 3A</figureCitation>
); without basal accessory lamellae. Second pair of branchiae cirriform, with smooth surface, and scarce lateral ciliation (
<figureCitation id="D1B0D3A80E41FFBFD286DC27FF03FEDF" captionStart="Fig" captionStartId="10.[174,208,1923,1943]" captionTargetBox="[178,1448,494,1898]" captionTargetId="figure-122@10.[178,1448,494,1898]" captionTargetPageId="10" captionText="Fig. 2. Paraprionospio dibranchiata sp. nov. ECOSUR-SEM. (A) anterior region, lateral view; (B) anterior region, dorso-lateral view; (C) anterior and middle region, dorsal view; (D) anterior region, lateral view; (E) interparapodial pouches. © 2018 Academia Sinica, Taiwan" figureDoi="http://doi.org/10.5281/zenodo.13316391" httpUri="https://zenodo.org/record/13316391/files/figure.png" pageId="11" pageNumber="12">Figs. 2</figureCitation>
A-B; 3A), extending to chaetiger 4 (
<specimenCount id="5F8D04A40E41FFBFD21ADC07FD74FEDF" box="[568,737,317,342]" count="1" pageId="11" pageNumber="12" type="generic">one specimen</specimenCount>
missing all branchiae). Chaetiger 3 with a long thin filament at base of third notopodial lamellae; filament twice longer than notopodial lamellae and lightly longer that of second pair of branchiae (
<figureCitation id="D1B0D3A80E41FFBFD287DC87FF03FE7E" captionStart="Fig" captionStartId="10.[174,208,1923,1943]" captionTargetBox="[178,1448,494,1898]" captionTargetId="figure-122@10.[178,1448,494,1898]" captionTargetPageId="10" captionText="Fig. 2. Paraprionospio dibranchiata sp. nov. ECOSUR-SEM. (A) anterior region, lateral view; (B) anterior region, dorso-lateral view; (C) anterior and middle region, dorsal view; (D) anterior region, lateral view; (E) interparapodial pouches. © 2018 Academia Sinica, Taiwan" figureDoi="http://doi.org/10.5281/zenodo.13316391" httpUri="https://zenodo.org/record/13316391/files/figure.png" pageId="11" pageNumber="12">Figs. 2</figureCitation>
A-C; 3A).
</paragraph>
<caption id="1DF49FA50E40FFBED08CDAB9FA3EF866" ID-DOI="http://doi.org/10.5281/zenodo.13316391" ID-Zenodo-Dep="13316391" httpUri="https://zenodo.org/record/13316391/files/figure.png" pageId="10" pageNumber="11" startId="10.[174,208,1923,1943]" targetBox="[178,1448,494,1898]" targetPageId="10" targetType="figure">
<paragraph id="4934CF2D0E40FFBED08CDAB9FBF0F83A" blockId="10.[174,1451,1923,2031]" pageId="10" pageNumber="11">
<emphasis id="7BFF133F0E40FFBED08CDAB9FF79F81E" bold="true" box="[174,236,1923,1943]" pageId="10" pageNumber="11">Fig. 2.</emphasis>
<taxonomicName id="8E8BB4AE0E40FFBED0DADAB9FD94F81E" authorityName="Delgado-Blas &amp; Carrera-Parra" authorityYear="2018" box="[248,513,1923,1943]" class="Polychaeta" family="Spionidae" genus="Paraprionospio" kingdom="Animalia" order="Spionida" pageId="10" pageNumber="11" phylum="Annelida" rank="species" species="dibranchiata" status="sp. nov.">
<emphasis id="7BFF133F0E40FFBED0DADAB9FD94F81E" box="[248,513,1923,1943]" italics="true" pageId="10" pageNumber="11">Paraprionospio dibranchiata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="60CCAE440E40FFBED22ADAB9FDC7F81E" box="[520,594,1923,1943]" pageId="10" pageNumber="11" rank="species">sp. nov.</taxonomicNameLabel>
ECOSUR-SEM. (A) anterior region, lateral view; (B) anterior region, dorso-lateral view; (C) anterior and middle region, dorsal view; (D) anterior region, lateral view; (E) interparapodial pouches.
</paragraph>
<paragraph id="4934CF2D0E40FFBED4BEDAE7FA3EF866" blockId="10.[174,1451,1923,2031]" box="[1180,1451,2013,2031]" pageId="10" pageNumber="11">© 2018 Academia Sinica, Taiwan</paragraph>
</caption>
<paragraph id="4934CF2D0E41FFBFD0E7DCC7FBC3FE1F" blockId="11.[136,737,253,822]" lastBlockId="11.[813,1415,253,822]" pageId="11" pageNumber="12">
Notopodial postchaetal lamellae on chaetigers 1-4 subtriangular; first smallest; largest on chaetigers 2-3 (
<figureCitation id="D1B0D3A80E41FFBFD158DF07FE48FDDF" box="[378,477,573,598]" captionStart="Fig" captionStartId="10.[174,208,1923,1943]" captionTargetBox="[178,1448,494,1898]" captionTargetId="figure-122@10.[178,1448,494,1898]" captionTargetPageId="10" captionText="Fig. 2. Paraprionospio dibranchiata sp. nov. ECOSUR-SEM. (A) anterior region, lateral view; (B) anterior region, dorso-lateral view; (C) anterior and middle region, dorsal view; (D) anterior region, lateral view; (E) interparapodial pouches. © 2018 Academia Sinica, Taiwan" figureDoi="http://doi.org/10.5281/zenodo.13316391" httpUri="https://zenodo.org/record/13316391/files/figure.png" pageId="11" pageNumber="12">Fig. 2B</figureCitation>
); on chaetigers 5-11 becoming smaller, rounded with a small projection at central edge (
<figureCitation id="D1B0D3A80E41FFBFD149DF47FE42FD1E" box="[363,471,637,663]" captionStart="Fig" captionStartId="10.[174,208,1923,1943]" captionTargetBox="[178,1448,494,1898]" captionTargetId="figure-122@10.[178,1448,494,1898]" captionTargetPageId="10" captionText="Fig. 2. Paraprionospio dibranchiata sp. nov. ECOSUR-SEM. (A) anterior region, lateral view; (B) anterior region, dorso-lateral view; (C) anterior and middle region, dorsal view; (D) anterior region, lateral view; (E) interparapodial pouches. © 2018 Academia Sinica, Taiwan" figureDoi="http://doi.org/10.5281/zenodo.13316391" httpUri="https://zenodo.org/record/13316391/files/figure.png" pageId="11" pageNumber="12">Fig. 2C</figureCitation>
); from chaetiger 27 lamellae becoming longer, with subtriangular ligules. Thin glandular fields or rings absent. Notopodial lamellae from chaetiger 23 until last segment expanded towards dorsum, forming a small dorsal fold, without dorsal cuticle. Ventral and dorsal edges of notopodial and neuropodial lamellae not touching each other on anterior chaetigers (
<figureCitation id="D1B0D3A80E41FFBFD3F2DC07FBABFEDE" box="[976,1086,317,343]" captionStart="Fig" captionStartId="10.[174,208,1923,1943]" captionTargetBox="[178,1448,494,1898]" captionTargetId="figure-122@10.[178,1448,494,1898]" captionTargetPageId="10" captionText="Fig. 2. Paraprionospio dibranchiata sp. nov. ECOSUR-SEM. (A) anterior region, lateral view; (B) anterior region, dorso-lateral view; (C) anterior and middle region, dorsal view; (D) anterior region, lateral view; (E) interparapodial pouches. © 2018 Academia Sinica, Taiwan" figureDoi="http://doi.org/10.5281/zenodo.13316391" httpUri="https://zenodo.org/record/13316391/files/figure.png" pageId="11" pageNumber="12">Fig. 2C</figureCitation>
). Notopodial prechaetal lamellae short in branchial region (
<figureCitation id="D1B0D3A80E41FFBFD52FDC67FAE2FEFF" box="[1293,1399,349,374]" captionStart="Fig" captionStartId="10.[174,208,1923,1943]" captionTargetBox="[178,1448,494,1898]" captionTargetId="figure-122@10.[178,1448,494,1898]" captionTargetPageId="10" captionText="Fig. 2. Paraprionospio dibranchiata sp. nov. ECOSUR-SEM. (A) anterior region, lateral view; (B) anterior region, dorso-lateral view; (C) anterior and middle region, dorsal view; (D) anterior region, lateral view; (E) interparapodial pouches. © 2018 Academia Sinica, Taiwan" figureDoi="http://doi.org/10.5281/zenodo.13316391" httpUri="https://zenodo.org/record/13316391/files/figure.png" pageId="11" pageNumber="12">Fig. 2D</figureCitation>
), inconspicuous thereafter.
</paragraph>
<paragraph id="4934CF2D0E41FFB8D34BDCA7FD49FE9F" blockId="11.[813,1415,253,822]" lastBlockId="12.[174,776,253,1974]" lastPageId="12" lastPageNumber="13" pageId="11" pageNumber="12">
Neuropodial postchaetal lamellae subtriangular on chaetigers 1-3 (
<figureCitation id="D1B0D3A80E41FFBFD49CDC87FA88FE5F" box="[1214,1309,445,470]" captionStart="Fig" captionStartId="10.[174,208,1923,1943]" captionTargetBox="[178,1448,494,1898]" captionTargetId="figure-122@10.[178,1448,494,1898]" captionTargetPageId="10" captionText="Fig. 2. Paraprionospio dibranchiata sp. nov. ECOSUR-SEM. (A) anterior region, lateral view; (B) anterior region, dorso-lateral view; (C) anterior and middle region, dorsal view; (D) anterior region, lateral view; (E) interparapodial pouches. © 2018 Academia Sinica, Taiwan" figureDoi="http://doi.org/10.5281/zenodo.13316391" httpUri="https://zenodo.org/record/13316391/files/figure.png" pageId="11" pageNumber="12">Fig. 2B</figureCitation>
); largest on chaetigers 2-3; rounded with small central projection providing a subtriangular appearance on chaetigers 4-5; from chaetiger 6 entirely rounded, diminishing progressively in size, becoming a small round lobe in most posterior chaetigers (
<figureCitation id="D1B0D3A80E41FFBFD57ADF67FCC0FD1E" captionStart="Fig" captionStartId="10.[174,208,1923,1943]" captionTargetBox="[178,1448,494,1898]" captionTargetId="figure-122@10.[178,1448,494,1898]" captionTargetPageId="10" captionText="Fig. 2. Paraprionospio dibranchiata sp. nov. ECOSUR-SEM. (A) anterior region, lateral view; (B) anterior region, dorso-lateral view; (C) anterior and middle region, dorsal view; (D) anterior region, lateral view; (E) interparapodial pouches. © 2018 Academia Sinica, Taiwan" figureDoi="http://doi.org/10.5281/zenodo.13316391" httpUri="https://zenodo.org/record/13316391/files/figure.png" pageId="11" pageNumber="12">Fig. 2C</figureCitation>
). Neuropodial prechaetal lamellae very small (
<figureCitation id="D1B0D3A80E41FFBFD316DFA7FC06FD3F" box="[820,915,669,694]" captionStart="Fig" captionStartId="13.[136,171,1839,1859]" captionTargetBox="[210,1366,253,1812]" captionTargetId="figure-106@13.[169,1381,249,1818]" captionTargetPageId="13" captionText="Fig. 4. Paraprionospio inaequibranchia (Caullery, 1914). Lectotype ZMA1688. (A) anterior region, dorsal view; (B) anterior region, dorso-lateral view; Paralectotype ZMA1568. (C) first branchia; (D) second branchia; (E) third branchia and filament; (F) parapodium of chaetiger 1; (G-I) parapodium of chaetigers 2-4; (J-L) parapodium of chaetigers 7-9; (M) parapodium of chaetiger 13; (N) capillary notochaeta, chaetiger 2; (O) capillary neurochaeta, anterior chaetiger; (P) sabre chaeta, chaetiger 10; (Q) neuropodial hooded hook, chaetiger 11; (R) notopodial hooded hook, chaetiger 34. Scale bars: A-I = 571.2 µm; J-L = 571 µm; M = 200 µm; N-R = 50 µm." figureDoi="http://doi.org/10.5281/zenodo.13316395" httpUri="https://zenodo.org/record/13316395/files/figure.png" pageId="11" pageNumber="12">Fig. 4A</figureCitation>
), rudimentary throughout. Interparapodial pouches from chaetigers 6-28 (smallest
<typeStatus id="9630718F0E41FFBFD52BDF87FA17FD5F" box="[1289,1410,701,726]" pageId="11" pageNumber="12" type="paratype">paratypes</typeStatus>
,
<quantity id="8E7362C80E41FFBFD30FDFE7FC13FD7F" box="[813,902,733,758]" metricMagnitude="-4" metricUnit="m" metricValue="2.0" pageId="11" pageNumber="12" unit="mm" value="0.2">0.2 mm</quantity>
wide, including parapodia, from chaetigers 5 to 20; in largest
<typeStatus id="9630718F0E41FFBFD42DDFC7FB10FC9F" box="[1039,1157,765,790]" pageId="11" pageNumber="12" type="paratype">paratypes</typeStatus>
(up to
<quantity id="8E7362C80E41FFBFD4C2DFC7FAA9FC9F" box="[1248,1340,765,790]" metricMagnitude="-4" metricUnit="m" metricValue="3.0" pageId="11" pageNumber="12" unit="mm" value="0.3">0.3 mm</quantity>
wide) from chaetiger 7 to about chaetigers 23-25) (
<figureCitation id="D1B0D3A80E41FFB8D568DE27FF61FE9F" captionStart="Fig" captionStartId="10.[174,208,1923,1943]" captionTargetBox="[178,1448,494,1898]" captionTargetId="figure-122@10.[178,1448,494,1898]" captionTargetPageId="10" captionText="Fig. 2. Paraprionospio dibranchiata sp. nov. ECOSUR-SEM. (A) anterior region, lateral view; (B) anterior region, dorso-lateral view; (C) anterior and middle region, dorsal view; (D) anterior region, lateral view; (E) interparapodial pouches. © 2018 Academia Sinica, Taiwan" figureDoi="http://doi.org/10.5281/zenodo.13316391" httpUri="https://zenodo.org/record/13316391/files/figure.png" lastPageId="12" lastPageNumber="13" pageId="11" pageNumber="12">Figs. 2C, E</figureCitation>
;
<figureCitation id="D1B0D3A80E46FFB8D0DDDDC7FEB0FE9F" box="[255,293,253,278]" captionStart="Fig" captionStartId="11.[138,172,1923,1943]" captionTargetBox="[145,1379,898,1894]" captionTargetId="figure-5@11.[140,1410,845,1939]" captionTargetPageId="11" captionText="Fig. 3. Paraprionospio dibranchiata sp. nov. Holotype USNM 1187918. (A) anterior region, lateral view; (B) ventrolateral interparapodial pouches; (C) sabre chaeta; (D) neuropodial hooded hook. Scale bars: A = 200 µm; B = 64.28 µm; C, D = 0.5 µm. © 2018 Academia Sinica, Taiwan" figureDoi="http://doi.org/10.5281/zenodo.13316393" httpUri="https://zenodo.org/record/13316393/files/figure.png" pageId="12" pageNumber="13">3B</figureCitation>
). Ventral crest on chaetiger 8 absent.
</paragraph>
<caption id="1DF49FA50E41FFBFD0A8DAB9FE0DF866" ID-DOI="http://doi.org/10.5281/zenodo.13316393" ID-Zenodo-Dep="13316393" httpUri="https://zenodo.org/record/13316393/files/figure.png" pageId="11" pageNumber="12" startId="11.[138,172,1923,1943]" targetBox="[145,1379,898,1894]" targetPageId="11" targetType="figure">
<paragraph id="4934CF2D0E41FFBFD0A8DAB9FB3AF83A" blockId="11.[136,1413,1923,2031]" pageId="11" pageNumber="12">
<emphasis id="7BFF133F0E41FFBFD0A8DAB9FF52F81E" bold="true" box="[138,199,1923,1943]" pageId="11" pageNumber="12">Fig. 3.</emphasis>
<taxonomicName id="8E8BB4AE0E41FFBFD0F0DAB9FE4EF81E" authorityName="Delgado-Blas &amp; Carrera-Parra" authorityYear="2018" box="[210,475,1923,1943]" class="Polychaeta" family="Spionidae" genus="Paraprionospio" kingdom="Animalia" order="Spionida" pageId="11" pageNumber="12" phylum="Annelida" rank="species" species="dibranchiata" status="sp. nov.">
<emphasis id="7BFF133F0E41FFBFD0F0DAB9FE4EF81E" box="[210,475,1923,1943]" italics="true" pageId="11" pageNumber="12">Paraprionospio dibranchiata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="60CCAE440E41FFBFD1C3DAB9FDB9F81E" box="[481,556,1923,1943]" pageId="11" pageNumber="12" rank="species">sp. nov.</taxonomicNameLabel>
Holotype USNM 1187918. (A) anterior region, lateral view; (B) ventrolateral interparapodial pouches; (C) sabre chaeta; (D) neuropodial hooded hook. Scale bars: A = 200 µm; B = 64.28 µm; C, D = 0.5 µm.
</paragraph>
<paragraph id="4934CF2D0E41FFBFD0AADAE7FE0DF866" blockId="11.[136,1413,1923,2031]" box="[136,408,2013,2031]" pageId="11" pageNumber="12">© 2018 Academia Sinica, Taiwan</paragraph>
</caption>
<paragraph id="4934CF2D0E46FFB8D0C8DC27FE0BFC9F" blockId="12.[174,776,253,1974]" pageId="12" pageNumber="13">
Capillary chaetae in anterior region thick, moderately granulated, without limbation, arranged in two rows, chaetae of first row shortest, with fine granulations on shaft. Capillary chaetae of posterior region thin, lacking granulations. Sabre chaetae from chaetiger 9 (
<figureCitation id="D1B0D3A80E46FFB8D1DDDC87FDFBFE5F" box="[511,622,445,470]" captionStart="Fig" captionStartId="10.[174,208,1923,1943]" captionTargetBox="[178,1448,494,1898]" captionTargetId="figure-122@10.[178,1448,494,1898]" captionTargetPageId="10" captionText="Fig. 2. Paraprionospio dibranchiata sp. nov. ECOSUR-SEM. (A) anterior region, lateral view; (B) anterior region, dorso-lateral view; (C) anterior and middle region, dorsal view; (D) anterior region, lateral view; (E) interparapodial pouches. © 2018 Academia Sinica, Taiwan" figureDoi="http://doi.org/10.5281/zenodo.13316391" httpUri="https://zenodo.org/record/13316391/files/figure.png" pageId="12" pageNumber="13">Figs. 2E</figureCitation>
;
<figureCitation id="D1B0D3A80E46FFB8D25CDC87FD33FE5E" box="[638,678,445,471]" captionStart="Fig" captionStartId="11.[138,172,1923,1943]" captionTargetBox="[145,1379,898,1894]" captionTargetId="figure-5@11.[140,1410,845,1939]" captionTargetPageId="11" captionText="Fig. 3. Paraprionospio dibranchiata sp. nov. Holotype USNM 1187918. (A) anterior region, lateral view; (B) ventrolateral interparapodial pouches; (C) sabre chaeta; (D) neuropodial hooded hook. Scale bars: A = 200 µm; B = 64.28 µm; C, D = 0.5 µm. © 2018 Academia Sinica, Taiwan" figureDoi="http://doi.org/10.5281/zenodo.13316393" httpUri="https://zenodo.org/record/13316393/files/figure.png" pageId="12" pageNumber="13">3C</figureCitation>
), small, thin, moderately granulated, without limbation; one per neuropodium (
<figureCitation id="D1B0D3A80E46FFB8D1C1DCC7FDD9FD9F" box="[483,588,509,534]" captionStart="Fig" captionStartId="10.[174,208,1923,1943]" captionTargetBox="[178,1448,494,1898]" captionTargetId="figure-122@10.[178,1448,494,1898]" captionTargetPageId="10" captionText="Fig. 2. Paraprionospio dibranchiata sp. nov. ECOSUR-SEM. (A) anterior region, lateral view; (B) anterior region, dorso-lateral view; (C) anterior and middle region, dorsal view; (D) anterior region, lateral view; (E) interparapodial pouches. © 2018 Academia Sinica, Taiwan" figureDoi="http://doi.org/10.5281/zenodo.13316391" httpUri="https://zenodo.org/record/13316391/files/figure.png" pageId="12" pageNumber="13">Fig. 2E</figureCitation>
). Neuropodial hooded hooks from chaetiger 9, with 8-9 hooks per neuropodium, alternating with capillary chaetae (
<figureCitation id="D1B0D3A80E46FFB8D097DF67FE86FDFF" box="[181,275,605,630]" captionStart="Fig" captionStartId="10.[174,208,1923,1943]" captionTargetBox="[178,1448,494,1898]" captionTargetId="figure-122@10.[178,1448,494,1898]" captionTargetPageId="10" captionText="Fig. 2. Paraprionospio dibranchiata sp. nov. ECOSUR-SEM. (A) anterior region, lateral view; (B) anterior region, dorso-lateral view; (C) anterior and middle region, dorsal view; (D) anterior region, lateral view; (E) interparapodial pouches. © 2018 Academia Sinica, Taiwan" figureDoi="http://doi.org/10.5281/zenodo.13316391" httpUri="https://zenodo.org/record/13316391/files/figure.png" pageId="12" pageNumber="13">Fig. 2E</figureCitation>
); hooded hooks with three pairs of small accessory teeth above main fang, secondary hood striated (
<figureCitation id="D1B0D3A80E46FFB8D13EDFA7FEEAFD3F" box="[284,383,669,694]" captionStart="Fig" captionStartId="11.[138,172,1923,1943]" captionTargetBox="[145,1379,898,1894]" captionTargetId="figure-5@11.[140,1410,845,1939]" captionTargetPageId="11" captionText="Fig. 3. Paraprionospio dibranchiata sp. nov. Holotype USNM 1187918. (A) anterior region, lateral view; (B) ventrolateral interparapodial pouches; (C) sabre chaeta; (D) neuropodial hooded hook. Scale bars: A = 200 µm; B = 64.28 µm; C, D = 0.5 µm. © 2018 Academia Sinica, Taiwan" figureDoi="http://doi.org/10.5281/zenodo.13316393" httpUri="https://zenodo.org/record/13316393/files/figure.png" pageId="12" pageNumber="13">Fig. 3D</figureCitation>
). Notopodial hooded hooks not observed in fragments. Shallow furrow on ventral side of body beginning from chaetiger 15 to the end of the fragment.
</paragraph>
<paragraph id="4934CF2D0E46FFB8D0C8DE27FE47FCBF" blockId="12.[174,776,253,1974]" box="[234,466,797,822]" pageId="12" pageNumber="13">Pygidium unknown.</paragraph>
<paragraph id="4934CF2D0E46FFB8D0C8DE07FDB4FCFF" blockId="12.[174,776,253,1974]" pageId="12" pageNumber="13">
<emphasis id="7BFF133F0E46FFB8D0C8DE07FE1DFCDF" box="[234,392,829,854]" italics="true" pageId="12" pageNumber="13">
<typeStatus id="9630718F0E46FFB8D0C8DE07FEB0FCDF" box="[234,293,829,854]" pageId="12" pageNumber="13">Type</typeStatus>
locality
</emphasis>
: off Coatzacoalcos,
<collectingRegion id="8B4F01CF0E46FFB8D2B2DE07FC96FCDF" box="[656,771,829,854]" country="Mexico" name="Veracruz de Ignacio de la Llave" pageId="12" pageNumber="13">Veracruz</collectingRegion>
,
<collectingCountry id="319C8FBD0E46FFB8D08CDE67FE97FCFF" box="[174,258,861,886]" name="Mexico" pageId="12" pageNumber="13">Mexico</collectingCountry>
(
<geoCoordinate id="2CBFA9EA0E46FFB8D133DE67FE1EFCFF" box="[273,395,861,886]" degrees="18" direction="north" minutes="39.8" orientation="latitude" pageId="12" pageNumber="13" precision="92" value="18.663334">18°39.8'N</geoCoordinate>
,
<geoCoordinate id="2CBFA9EA0E46FFB8D1B4DE67FD83FCFF" box="[406,534,861,886]" degrees="94" direction="west" minutes="13.1" orientation="longitude" pageId="12" pageNumber="13" precision="92" value="-94.21833">94°13.1'W</geoCoordinate>
).
</paragraph>
<paragraph id="4934CF2D0E46FFB8D0C8DE47FD9FFC7F" blockId="12.[174,776,253,1974]" pageId="12" pageNumber="13">
<emphasis id="7BFF133F0E46FFB8D0C8DE47FEEAFC1F" box="[234,383,893,918]" italics="true" pageId="12" pageNumber="13">Distribution</emphasis>
:
<taxonomicName id="8E8BB4AE0E46FFB8D1B6DE47FC92FC1F" authorityName="Delgado-Blas &amp; Carrera-Parra" authorityYear="2018" box="[404,775,893,918]" class="Polychaeta" family="Spionidae" genus="Paraprionospio" kingdom="Animalia" order="Spionida" pageId="12" pageNumber="13" phylum="Annelida" rank="species" species="dibranchiata" status="sp. nov.">
<emphasis id="7BFF133F0E46FFB8D1B6DE47FC92FC1F" box="[404,775,893,918]" italics="true" pageId="12" pageNumber="13">Paraprionospio dibranchiata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="60CCAE440E46FFB8D08CDEA7FE80FC3F" box="[174,277,925,950]" pageId="12" pageNumber="13" rank="species">sp. nov.</taxonomicNameLabel>
occurs in the SW Gulf of
<collectingCountry id="319C8FBD0E46FFB8D255DEA7FD42FC3F" box="[631,727,925,950]" name="Mexico" pageId="12" pageNumber="13">Mexico</collectingCountry>
, off Coatzacoalcos,
<collectingRegion id="8B4F01CF0E46FFB8D153DE87FE75FC5F" box="[369,480,957,982]" country="Mexico" name="Veracruz de Ignacio de la Llave" pageId="12" pageNumber="13">Veracruz</collectingRegion>
,
<collectingCountry id="319C8FBD0E46FFB8D1CCDE87FDDDFC5F" box="[494,584,957,982]" name="Mexico" pageId="12" pageNumber="13">Mexico</collectingCountry>
, from depths of
<quantity id="8E7362C80E46FFB8D08CDEE7FE8BFC7F" box="[174,286,989,1014]" metricMagnitude="2" metricUnit="m" metricValue="1.24" metricValueMax="1.85" metricValueMin="0.63" pageId="12" pageNumber="13" unit="m" value="124.0" valueMax="185.0" valueMin="63.0">63-185 m</quantity>
on muddy bottoms.
</paragraph>
<paragraph id="4934CF2D0E46FFB8D0C8DEC7FD0AFBBF" blockId="12.[174,776,253,1974]" pageId="12" pageNumber="13">
<emphasis id="7BFF133F0E46FFB8D0C8DEC7FEFDFB9F" box="[234,360,1021,1046]" italics="true" pageId="12" pageNumber="13">Etymology</emphasis>
: The species name,
<taxonomicName id="8E8BB4AE0E46FFB8D24EDEC7FD6AFB9F" authorityName="Delgado-Blas &amp; Carrera-Parra" authorityYear="2018" box="[620,767,1021,1046]" class="Polychaeta" family="Spionidae" genus="Paraprionospio" kingdom="Animalia" order="Spionida" pageId="12" pageNumber="13" phylum="Annelida" rank="species" species="dibranchiata">
<emphasis id="7BFF133F0E46FFB8D24EDEC7FD6AFB9F" box="[620,767,1021,1046]" italics="true" pageId="12" pageNumber="13">dibranchiata</emphasis>
</taxonomicName>
, refers to the number of pairs of branchiae.
</paragraph>
<paragraph id="4934CF2D0E46FFB8D0C8D907FD9DFA3F" blockId="12.[174,776,253,1974]" pageId="12" pageNumber="13">
<emphasis id="7BFF133F0E46FFB8D0C8D907FEC0FBDF" box="[234,341,1085,1110]" italics="true" pageId="12" pageNumber="13">Remarks</emphasis>
: The presence of one filament at the base of the third notopodial lamellae is similar to
<taxonomicName id="8E8BB4AE0E46FFB8D08CD947FDB3FB1F" authorityName="Caullery" authorityYear="1914" box="[174,550,1149,1174]" class="Polychaeta" family="Spionidae" genus="Paraprionospio" kingdom="Animalia" order="Spionida" pageId="12" pageNumber="13" phylum="Annelida" rank="species" species="inaequibranchia">
<emphasis id="7BFF133F0E46FFB8D08CD947FDB3FB1F" box="[174,550,1149,1174]" italics="true" pageId="12" pageNumber="13">Paraprionospio inaequibranchia</emphasis>
</taxonomicName>
and some species described by
<bibRefCitation id="2D1AB2DC0E46FFB8D179D9A7FDA9FB3F" author="Yokoyama H." box="[347,572,1181,1206]" pageId="12" pageNumber="13" pagination="253 - 284" refId="ref15873" refString="Yokoyama H. 2007. A revision of the genus Paraprionospio Caullery (Polychaeta: Spionidae). Zool J Linn Soc 151: 253 - 284. doi: 10.1111 / j. 1096 - 3642.2007.00323. x." type="journal article" year="2007">Yokoyama (2007)</bibRefCitation>
, with which this species was compared. However, the consistency of taxonomic characters of
<taxonomicName id="8E8BB4AE0E46FFB8D214D9E7FECDFA9F" authorityName="Delgado-Blas &amp; Carrera-Parra" authorityYear="2018" class="Polychaeta" family="Spionidae" genus="Paraprionospio" kingdom="Animalia" order="Spionida" pageId="12" pageNumber="13" phylum="Annelida" rank="species" species="dibranchiata" status="sp. nov.">
<emphasis id="7BFF133F0E46FFB8D214D9E7FECDFA9F" italics="true" pageId="12" pageNumber="13">Paraprionospio dibranchiata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="60CCAE440E46FFB8D144D9C7FE41FA9F" box="[358,468,1277,1302]" pageId="12" pageNumber="13" rank="species">sp. nov.</taxonomicNameLabel>
over the number and shape of branchiae is different to all other known
<taxonomicName id="8E8BB4AE0E46FFB8D08CD807FEECFADF" baseAuthorityName="Caullery" baseAuthorityYear="1914" box="[174,377,1341,1366]" class="Polychaeta" family="Spionidae" genus="Paraprionospio" kingdom="Animalia" order="Spionida" pageId="12" pageNumber="13" phylum="Annelida" rank="genus">
<emphasis id="7BFF133F0E46FFB8D08CD807FEECFADF" box="[174,377,1341,1366]" italics="true" pageId="12" pageNumber="13">Paraprionospio</emphasis>
</taxonomicName>
species. All specimens of
<taxonomicName id="8E8BB4AE0E46FFB8D2CDD807FED0FAFF" authorityName="Delgado-Blas &amp; Carrera-Parra" authorityYear="2018" class="Polychaeta" family="Spionidae" genus="Paraprionospio" kingdom="Animalia" order="Spionida" pageId="12" pageNumber="13" phylum="Annelida" rank="species" species="dibranchiata" status="sp. nov.">
<emphasis id="7BFF133F0E46FFB8D2CDD807FED0FAFF" italics="true" pageId="12" pageNumber="13">P. dibranchiata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="60CCAE440E46FFB8D172D867FE27FAFF" box="[336,434,1373,1398]" pageId="12" pageNumber="13" rank="species">sp. nov.</taxonomicNameLabel>
have two pairs rather than three pairs of branchiae; the first pair is pinnate and the second one cirriform.
</paragraph>
<paragraph id="4934CF2D0E46FFB8D0C8D887FD94F83F" blockId="12.[174,776,253,1974]" pageId="12" pageNumber="13">
<bibRefCitation id="2D1AB2DC0E46FFB8D0C8D887FE21FA5F" author="Foster NM" box="[234,436,1469,1494]" pageId="12" pageNumber="13" pagination="1 - 183" refId="ref15388" refString="Foster NM. 1971. Spionidae (Polychaeta) of the Gulf of Mexico and the Caribbean Sea. Stud Fauna Cur 36: 1 - 183." type="journal article" year="1971">Foster (1971)</bibRefCitation>
and
<bibRefCitation id="2D1AB2DC0E46FFB8D225D887FC91FA5F" author="Yokoyama H." box="[519,772,1469,1494]" pageId="12" pageNumber="13" pagination="157 - 170" refId="ref15846" refString="Yokoyama H. 1981. Larval development of a spionid-Polychaete Paraprionospio pinnata (Ehlers). Pub Seto Mar Biol Lab 26: 157 - 170." type="journal article" year="1981">Yokoyama (1981)</bibRefCitation>
mentioned that in some instances, during the branchial regeneration, branchiae are entirely smooth in
<taxonomicName id="8E8BB4AE0E46FFB8D10CDB27FDD0F9BF" baseAuthorityName="Ehlers" baseAuthorityYear="1901" box="[302,581,1565,1590]" class="Polychaeta" family="Spionidae" genus="Paraprionospio" kingdom="Animalia" order="Spionida" pageId="12" pageNumber="13" phylum="Annelida" rank="species" species="pinnata">
<emphasis id="7BFF133F0E46FFB8D10CDB27FDD0F9BF" box="[302,581,1565,1590]" italics="true" pageId="12" pageNumber="13">Paraprionospio pinnata</emphasis>
</taxonomicName>
. Also,
<bibRefCitation id="2D1AB2DC0E46FFB8D2B8DB27FE95F9DF" author="Carrasco FD" pageId="12" pageNumber="13" pagination="1 - 63" refId="ref15208" refString="Carrasco FD. 1976. Larvas de la Familia Spionidae (Polychaeta) en el plancton de la Bahia de Concepcion, Chile. Gayana Zool 38: 1 - 63." type="journal article" year="1976">Carrasco (1976)</bibRefCitation>
reported that the first pair of branchiae is bipinnate and the second pair cirriform in the larval stage of
<taxonomicName id="8E8BB4AE0E46FFB8D140DB47FE4DF91F" baseAuthorityName="Ehlers" baseAuthorityYear="1901" box="[354,472,1661,1686]" class="Polychaeta" family="Spionidae" genus="Paraprionospio" kingdom="Animalia" order="Spionida" pageId="12" pageNumber="13" phylum="Annelida" rank="species" species="pinnata">
<emphasis id="7BFF133F0E46FFB8D140DB47FE4DF91F" box="[354,472,1661,1686]" italics="true" pageId="12" pageNumber="13">P. pinnata</emphasis>
</taxonomicName>
. However, all specimens studied in this study are juvenile or adult specimens. Further, the specimens were collected in three stations from the Gulf of
<collectingRegion id="8B4F01CF0E46FFB8D20CDBE7FD17F97F" box="[558,642,1757,1782]" country="Mexico" name="Mexico" pageId="12" pageNumber="13">Mexico</collectingRegion>
at different depths (
<quantity id="8E7362C80E46FFB8D131DBC7FE07F89F" box="[275,402,1789,1814]" metricMagnitude="2" metricUnit="m" metricValue="1.24" metricValueMax="1.85" metricValueMin="0.63" pageId="12" pageNumber="13" unit="m" value="124.0" valueMax="185.0" valueMin="63.0">63-185 m</quantity>
), and all specimens have the same shape and number of branchiae regardless of its size. Therefore, we consider that the shape and the number of branchiae of these specimens do not correspond to branchiae in regeneration process or larval specimens.
</paragraph>
</subSubSection>
</treatment>
</document>
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