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<document id= "FB1A19DC04A38B26831D2DBB68B4AC10" ID-DOI= "10.5281/zenodo.4689879" ID-GBIF-Dataset= "cccd251f-0aff-456c-aecc-5eccc5824fe8" ID-ISSN= "1638-9387" ID-Zenodo-Dep= "4689879" IM.materialsCitations_approvedBy= "felipe" IM.metadata_approvedBy= "juliana" IM.taxonomicNames_approvedBy= "admin" IM.treatments_approvedBy= "admin" checkinTime= "1618437896095" checkinUser= "felipe" docAuthor= "Biseswar, Ramlall" docDate= "2006" docId= "03F53669FFE5FFFAFF5CBBCD24C4C4A1" docLanguage= "en" docName= "Zoosystema.28.4.853-864.pdf" docOrigin= "Zoosystema 28 (4)" docStyle= "DocumentStyle:2A9C6F9EA5F90D98170D9E0D9CA29375.4:Zoosystema.2000-2008.journal_article.type1" docStyleId= "2A9C6F9EA5F90D98170D9E0D9CA29375" docStyleName= "Zoosystema.2000-2008.journal_article.type1" docStyleVersion= "4" docTitle= "Jakobia densopapillata Biseswar 2006, n. sp." docType= "treatment" docVersion= "9" lastPageNumber= "857" masterDocId= "FFCC4E11FFE6FFFEFFBCB83C205BC137" masterDocTitle= "Additions to the deep-sea echiuran (Echiura) fauna of the North-East Atlantic" masterLastPageNumber= "864" masterPageNumber= "853" pageNumber= "856" updateTime= "1720370326658" updateUser= "admin" zenodo-license-document= "CC0-1.0" zenodo-license-figures= "CC0-1.0" zenodo-license-treatments= "UNSPECIFIED" >
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<mods:title id= "A73ED4B049F991040A5C4F97D02AAE24" > Additions to the deep-sea echiuran (Echiura) fauna of the North-East Atlantic</mods:title>
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<mods:namePart id= "155B9E72F469EDDF8FD0E941B6DB3ECE" > Biseswar, Ramlall</mods:namePart>
<mods:affiliation id= "596B272738B622FBB6FFBE2CDD5C7552" > School of Biological and Environmental Sciences, University of KwaZulu-Natal, Westville Campus, Private Bag x 54001, Durban 4000 (Republic of South Africa) moodleygk @ ukzn. ac. za</mods:affiliation>
<mods:nameIdentifier id= "BC676C1C245EBFA257FCF161C32A4776" type= "email" > moodleygk@ukzn.ac.za</mods:nameIdentifier>
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<mods:title id= "155571D95839FF58BF3EEDA9E1B01595" > Zoosystema</mods:title>
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</mods:titleInfo>
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<mods:part id= "DEFA99AEDC2E38A0A3933CE19AE5A521" >
<mods:date id= "269CCC37A2EEDCB5158EC05F30EF835F" > 2006</mods:date>
<mods:detail id= "BB0F0147792DF53FEF425F5272EE0FC7" type= "volume" >
<mods:number id= "190CE3935401C01E061C32CEC09E979F" > 28</mods:number>
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<mods:number id= "76B03803AAC394AB7C4D5F59F60FF209" > 4</mods:number>
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<treatment id= "03F53669FFE5FFFAFF5CBBCD24C4C4A1" ID-DOI= "http://doi.org/10.5281/zenodo.4893229" ID-GBIF-Taxon= "182484725" ID-Zenodo-Dep= "4893229" LSID= "urn:lsid:plazi:treatment:03F53669FFE5FFFAFF5CBBCD24C4C4A1" httpUri= "http://treatment.plazi.org/id/03F53669FFE5FFFAFF5CBBCD24C4C4A1" lastPageId= "4" lastPageNumber= "857" pageId= "3" pageNumber= "856" >
<subSubSection id= "C346D4F4FFE5FFFDFF5CBBCD2243C53D" box= "[224,536,1008,1035]" pageId= "3" pageNumber= "856" type= "nomenclature" >
<paragraph id= "8BE3877FFFE5FFFDFF5CBBCD2243C53D" blockId= "3.[224,536,1008,1066]" box= "[224,536,1008,1035]" pageId= "3" pageNumber= "856" >
<heading id= "D0AB3013FFE5FFFDFF5CBBCD2243C53D" box= "[224,536,1008,1035]" centered= "true" fontSize= "11" level= "2" pageId= "3" pageNumber= "856" reason= "2" >
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<taxonomicName id= "4C5CFCFCFFE5FFFDFF5CBBCD218DC53C" ID-CoL= "6NDDK" authority= "Biseswar, 2006" authorityName= "Biseswar" authorityYear= "2006" box= "[224,470,1009,1035]" class= "Polychaeta" family= "Bonelliidae" genus= "Jakobia" kingdom= "Animalia" order= "Echiuroidea" pageId= "3" pageNumber= "856" phylum= "Annelida" rank= "species" species= "densopapillata" status= "sp. nov." >
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<emphasis id= "B9285B6DFFE5FFFDFF5CBBCD218DC53C" bold= "true" box= "[224,470,1009,1035]" italics= "true" pageId= "3" pageNumber= "856" > Jakobia densopapillata</emphasis>
</taxonomicName>
<taxonomicNameLabel id= "A21BE616FFE5FFFDFE61BBCC2243C53D" box= "[477,536,1008,1034]" pageId= "3" pageNumber= "856" rank= "species" > n. sp.</taxonomicNameLabel>
</heading>
</paragraph>
</subSubSection>
<subSubSection id= "C346D4F4FFE5FFFDFE80BC2C21E0C51D" box= "[316,443,1040,1066]" pageId= "3" pageNumber= "856" type= "description" >
<paragraph id= "8BE3877FFFE5FFFDFE80BC2C21E0C51D" blockId= "3.[224,536,1008,1066]" box= "[316,443,1040,1066]" pageId= "3" pageNumber= "856" >
(
<figureCitation id= "13679BFAFFE5FFFDFEF8BC2C2125C51D" box= "[324,382,1040,1066]" captionStart= "FIG" captionStartId= "4.[113,124,1612,1629]" captionTargetBox= "[130,1170,245,1547]" captionTargetId= "figure-14@4.[104,1200,125,1554]" captionTargetPageId= "4" captionText= "FIG. 1. — A, B, Charcotus charcotus DattaGupta, 1981; A, ventral view of anterior part of female; B, gonoduct; C, D, Jakobia similaris DattaGupta,1981;C, ventral view of anterior part of female;D, gonoduct;E-H, Jakobia densopapillata n. sp.;E, ventral view of anterior part of female; F, G, gonoducts;H, anal vesicle.Abbreviations:av, anal vesicle;gd, gonoduct;gp, gonopore;gs, gonostome;nc, nerve cord; pr, proboscis; re, rectum. Scale bars: A, 4 mm; B, 0.5 mm; C, F, 3 mm; D, G, 1 mm; E, H, 2 mm." figureDoi= "http://doi.org/10.5281/zenodo.4689881" httpUri= "https://zenodo.org/record/4689881/files/figure.png" pageId= "3" pageNumber= "856" > Fig. 1</figureCitation>
E-H)
</paragraph>
</subSubSection>
<subSubSection id= "C346D4F4FFE5FFFDFFCDBC7521BBC5C8" pageId= "3" pageNumber= "856" type= "materials_examined" >
<paragraph id= "8BE3877FFFE5FFFDFFCDBC7521ADC5A2" blockId= "3.[112,647,1097,1280]" pageId= "3" pageNumber= "856" >
<materialsCitation id= "3B348D22FFE5FFFDFFCDBC7521ADC5A2" ID-GBIF-Occurrence= "3125549301" collectingDate= "1998-03-19" collectionCode= "TYPE, MATERIAL" elevation= "4845" latitude= "48.860332" longLatPrecision= "11" longitude= "-16.53" pageId= "3" pageNumber= "856" specimenCount= "1" specimenCount-female= "1" typeStatus= "holotype" >
<collectionCode id= "ED4D1FBAFFE5FFFDFFCDBC75215FC568" box= "[113,260,1097,1120]" pageId= "3" pageNumber= "856" > TYPE MATERIAL</collectionCode>
. —
<typeStatus id= "54E739DDFFE5FFFDFE93BC7521D4C557" box= "[303,399,1097,1120]" pageId= "3" pageNumber= "856" type= "holotype" > Holotype</typeStatus>
: Porcupine Abyssal Plain, BENGAL 3, Discovery 229, stn 13200#70,
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,
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,
<quantity id= "4CA42A9AFFE5FFFDFF4DBC42211BC5A2" box= "[241,320,1150,1173]" metricMagnitude= "3" metricUnit= "m" metricValue= "4.845" pageId= "3" pageNumber= "856" unit= "m" value= "4845.0" >
<elevation id= "0071604CFFE5FFFDFF4DBC42211BC5A2" box= "[241,320,1150,1173]" metricMagnitude= "3" metricUnit= "m" metricValue= "4.845" pageId= "3" pageNumber= "856" unit= "m" value= "4845.0" > 4845 m</elevation>
</quantity>
,
<date id= "FFE2A1BFFFE5FFFDFEF7BC4221E4C5A2" box= "[331,447,1150,1173]" pageId= "3" pageNumber= "856" value= "1998-03-19" >
<collectingDate id= "EFA65857FFE5FFFDFEF7BC4221E4C5A2" box= "[331,447,1150,1173]" pageId= "3" pageNumber= "856" value= "1998-03-19" > 19.III.1998</collectingDate>
</date>
,
<specimenCount id= "9D5A4CF6FFE5FFFDFE76BC4221ABC5A1" box= "[458,496,1150,1174]" pageId= "3" pageNumber= "856" type= "female" > 1 ♀</specimenCount>
.
</materialsCitation>
</paragraph>
<paragraph id= "8BE3877FFFE5FFFDFFCDBCA52231C5FD" blockId= "3.[112,647,1097,1280]" pageId= "3" pageNumber= "856" >
<typeStatus id= "54E739DDFFE5FFFDFFCDBCA5208BC587" box= "[113,208,1177,1200]" pageId= "3" pageNumber= "856" type= "paratype" > Paratypes</typeStatus>
: BENGAL 5, Discovery 231, stn 13368#52,
<geoCoordinate id= "EE68E1B8FFE5FFFDFFCDBC8F2080C5FD" box= "[113,219,1203,1226]" degrees= "48" direction= "north" minutes= "48.3" orientation= "latitude" pageId= "3" pageNumber= "856" precision= "92" value= "48.805" > 48°48.3’ </geoCoordinate>
,
<geoCoordinate id= "EE68E1B8FFE5FFFDFF59BC8F2106C5FD" box= "[229,349,1203,1226]" degrees= "16" direction= "west" minutes= "25.97" orientation= "longitude" pageId= "3" pageNumber= "856" precision= "9" value= "-16.432833" > 16°25.97’ </geoCoordinate>
,
<quantity id= "4CA42A9AFFE5FFFDFEDBBC8F21EDC5FD" box= "[359,438,1203,1226]" metricMagnitude= "3" metricUnit= "m" metricValue= "4.839" pageId= "3" pageNumber= "856" unit= "m" value= "4839.0" > 4839 m</quantity>
,
<date id= "FFE2A1BFFFE5FFFDFE7DBC8F226EC5FD" box= "[449,565,1203,1226]" pageId= "3" pageNumber= "856" value= "1998-03-19" > 19.III.1998</date>
,
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.
</paragraph>
<paragraph id= "8BE3877FFFE5FFFDFFCDBCF121BBC5C8" blockId= "3.[112,647,1097,1280]" pageId= "3" pageNumber= "856" >
BENGAL 6, Discovery 237, stn 13627#11,
<geoCoordinate id= "EE68E1B8FFE5FFFDFDB3BCF122D8C5D3" box= "[527,643,1229,1252]" degrees= "48" direction= "north" minutes= "47.82" orientation= "latitude" pageId= "3" pageNumber= "856" precision= "9" value= "48.797" > 48°47.82’ </geoCoordinate>
,
<geoCoordinate id= "EE68E1B8FFE5FFFDFFCCBCD420BCC5C8" box= "[112,231,1256,1279]" degrees= "16" direction= "west" minutes= "40.37" orientation= "longitude" pageId= "3" pageNumber= "856" precision= "9" value= "-16.672832" > 16°40.37’ </geoCoordinate>
,
<quantity id= "4CA42A9AFFE5FFFDFF4DBCD4211BC5C8" box= "[241,320,1256,1279]" metricMagnitude= "3" metricUnit= "m" metricValue= "4.8469999999999995" pageId= "3" pageNumber= "856" unit= "m" value= "4847.0" > 4847 m</quantity>
,
<date id= "FFE2A1BFFFE5FFFDFEF7BCD421F2C5C8" box= "[331,425,1256,1279]" pageId= "3" pageNumber= "856" value= "1998-10-01" > 1.X.1998</date>
,
<specimenCount id= "9D5A4CF6FFE5FFFDFE08BCD42181C437" box= "[436,474,1256,1280]" pageId= "3" pageNumber= "856" type= "female" > 1 ♀</specimenCount>
.
</paragraph>
</subSubSection>
<subSubSection id= "C346D4F4FFE5FFFDFFCDBD2B210AC454" pageId= "3" pageNumber= "856" type= "etymology" >
<paragraph id= "8BE3877FFFE5FFFDFFCDBD2B210AC454" blockId= "3.[112,647,1303,1379]" pageId= "3" pageNumber= "856" > ETYMOLOGY. — The species name is based on the papillae which are very prominent and densely distributed over entire surface of trunk.</paragraph>
</subSubSection>
<subSubSection id= "C346D4F4FFE5FFFDFFCDBDB0240FC2BB" pageId= "3" pageNumber= "856" type= "description" >
<paragraph id= "8BE3877FFFE5FFFDFFCDBDB02159C493" blockId= "3.[112,646,1420,1700]" box= "[113,258,1420,1446]" pageId= "3" pageNumber= "856" > DESCRIPTION</paragraph>
<paragraph id= "8BE3877FFFE5FFFDFFCDBD9023A7C318" blockId= "3.[112,646,1420,1700]" lastBlockId= "3.[675,1212,216,908]" pageId= "3" pageNumber= "856" >
Colour of proboscis is cream, trunk is beige in preserved state. Proboscis of
<typeStatus id= "54E739DDFFE5FFFDFE0FBDF0224EC4D1" box= "[435,533,1484,1510]" pageId= "3" pageNumber= "856" type= "holotype" > holotype</typeStatus>
is
<quantity id= "4CA42A9AFFE5FFFDFD89BDF022DDC4D1" box= "[565,646,1484,1510]" metricMagnitude= "-2" metricUnit= "m" metricValue= "3.0" pageId= "3" pageNumber= "856" unit= "mm" value= "30.0" > 30 mm</quantity>
long; distal half is flattened and tapers at tip; in proximal half, lateral margins curl inwards giving it a tubular appearance (
<figureCitation id= "13679BFAFFE5FFFDFE3DBE17218DC772" box= "[385,470,1579,1605]" captionStart= "FIG" captionStartId= "4.[113,124,1612,1629]" captionTargetBox= "[130,1170,245,1547]" captionTargetId= "figure-14@4.[104,1200,125,1554]" captionTargetPageId= "4" captionText= "FIG. 1. — A, B, Charcotus charcotus DattaGupta, 1981; A, ventral view of anterior part of female; B, gonoduct; C, D, Jakobia similaris DattaGupta,1981;C, ventral view of anterior part of female;D, gonoduct;E-H, Jakobia densopapillata n. sp.;E, ventral view of anterior part of female; F, G, gonoducts;H, anal vesicle.Abbreviations:av, anal vesicle;gd, gonoduct;gp, gonopore;gs, gonostome;nc, nerve cord; pr, proboscis; re, rectum. Scale bars: A, 4 mm; B, 0.5 mm; C, F, 3 mm; D, G, 1 mm; E, H, 2 mm." figureDoi= "http://doi.org/10.5281/zenodo.4689881" httpUri= "https://zenodo.org/record/4689881/files/figure.png" pageId= "3" pageNumber= "856" > Fig. 1E</figureCitation>
). Mouth is surrounded laterally and ventrally by well developed lips. Probosces missing in both
<typeStatus id= "54E739DDFFE5FFFDFE77BE562263C7B3" box= "[459,568,1642,1668]" pageId= "3" pageNumber= "856" type= "paratype" > paratypes</typeStatus>
. Trunk is cylindrical. In
<typeStatus id= "54E739DDFFE5FFFDFE86BEB621C4C793" box= "[314,415,1674,1700]" pageId= "3" pageNumber= "856" type= "holotype" > holotype</typeStatus>
trunk is
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in length and
<quantity id= "4CA42A9AFFE5FFFDFC9CB8E4232BC1C5" box= "[800,880,216,242]" metricMagnitude= "-2" metricUnit= "m" metricValue= "1.9" pageId= "3" pageNumber= "856" unit= "mm" value= "19.0" > 19 mm</quantity>
across broadest part. In larger
<typeStatus id= "54E739DDFFE5FFFDFD1FB8C4235EC025" box= "[675,773,248,274]" pageId= "3" pageNumber= "856" type= "paratype" > paratype</typeStatus>
trunk is
<quantity id= "4CA42A9AFFE5FFFDFCC9B8C42392C025" box= "[885,969,248,274]" metricMagnitude= "-2" metricUnit= "m" metricValue= "7.8" pageId= "3" pageNumber= "856" unit= "mm" value= "78.0" > 78 mm</quantity>
long and
<quantity id= "4CA42A9AFFE5FFFDFBF9B8C424C2C025" box= "[1093,1177,248,274]" metricMagnitude= "-2" metricUnit= "m" metricValue= "1.0" pageId= "3" pageNumber= "856" unit= "mm" value= "10.0" > 10 mm</quantity>
at broadest part. Corresponding measurements of smaller specimen are 54 and
<quantity id= "4CA42A9AFFE5FFFDFC56B90B2465C066" box= "[1002,1086,311,337]" metricMagnitude= "-2" metricUnit= "m" metricValue= "1.2" pageId= "3" pageNumber= "856" unit= "mm" value= "12.0" > 12 mm</quantity>
. Body wall is thick and opaque. Papillae densely distributed over entire surface of trunk. Posterior end of trunk covered with raised, rounded papillae; over rest of trunk, papillae are flattened and somewhat elongated. Single gonopore is located a few millimetres away from anterior end of trunk (
<figureCitation id= "13679BFAFFE5FFFDFD11BA292359C318" box= "[685,770,533,559]" captionStart= "FIG" captionStartId= "4.[113,124,1612,1629]" captionTargetBox= "[130,1170,245,1547]" captionTargetId= "figure-14@4.[104,1200,125,1554]" captionTargetPageId= "4" captionText= "FIG. 1. — A, B, Charcotus charcotus DattaGupta, 1981; A, ventral view of anterior part of female; B, gonoduct; C, D, Jakobia similaris DattaGupta,1981;C, ventral view of anterior part of female;D, gonoduct;E-H, Jakobia densopapillata n. sp.;E, ventral view of anterior part of female; F, G, gonoducts;H, anal vesicle.Abbreviations:av, anal vesicle;gd, gonoduct;gp, gonopore;gs, gonostome;nc, nerve cord; pr, proboscis; re, rectum. Scale bars: A, 4 mm; B, 0.5 mm; C, F, 3 mm; D, G, 1 mm; E, H, 2 mm." figureDoi= "http://doi.org/10.5281/zenodo.4689881" httpUri= "https://zenodo.org/record/4689881/files/figure.png" pageId= "3" pageNumber= "856" > Fig. 1E</figureCitation>
). Ventral setae absent.
</paragraph>
<paragraph id= "8BE3877FFFE5FFFDFD07BA09240FC2BB" blockId= "3.[675,1212,216,908]" pageId= "3" pageNumber= "856" >
Single gonoduct is located on right side of nerve cord. Gonoduct consists of two sharply bent sections lying close together and fused to each other (
<figureCitation id= "13679BFAFFE5FFFDFD11BAA82379C399" box= "[685,802,660,686]" captionStart= "FIG" captionStartId= "4.[113,124,1612,1629]" captionTargetBox= "[130,1170,245,1547]" captionTargetId= "figure-14@4.[104,1200,125,1554]" captionTargetPageId= "4" captionText= "FIG. 1. — A, B, Charcotus charcotus DattaGupta, 1981; A, ventral view of anterior part of female; B, gonoduct; C, D, Jakobia similaris DattaGupta,1981;C, ventral view of anterior part of female;D, gonoduct;E-H, Jakobia densopapillata n. sp.;E, ventral view of anterior part of female; F, G, gonoducts;H, anal vesicle.Abbreviations:av, anal vesicle;gd, gonoduct;gp, gonopore;gs, gonostome;nc, nerve cord; pr, proboscis; re, rectum. Scale bars: A, 4 mm; B, 0.5 mm; C, F, 3 mm; D, G, 1 mm; E, H, 2 mm." figureDoi= "http://doi.org/10.5281/zenodo.4689881" httpUri= "https://zenodo.org/record/4689881/files/figure.png" pageId= "3" pageNumber= "856" > Fig. 1F, G</figureCitation>
). Muscular tube in gonoduct is also sharply bent to form a V. Gonostome is directed anteriorly with petaloid gonostomal lips (
<figureCitation id= "13679BFAFFE5FFFDFBE1BAEF24F0C3DA" box= "[1117,1195,723,749]" captionStart= "FIG" captionStartId= "4.[113,124,1612,1629]" captionTargetBox= "[130,1170,245,1547]" captionTargetId= "figure-14@4.[104,1200,125,1554]" captionTargetPageId= "4" captionText= "FIG. 1. — A, B, Charcotus charcotus DattaGupta, 1981; A, ventral view of anterior part of female; B, gonoduct; C, D, Jakobia similaris DattaGupta,1981;C, ventral view of anterior part of female;D, gonoduct;E-H, Jakobia densopapillata n. sp.;E, ventral view of anterior part of female; F, G, gonoducts;H, anal vesicle.Abbreviations:av, anal vesicle;gd, gonoduct;gp, gonopore;gs, gonostome;nc, nerve cord; pr, proboscis; re, rectum. Scale bars: A, 4 mm; B, 0.5 mm; C, F, 3 mm; D, G, 1 mm; E, H, 2 mm." figureDoi= "http://doi.org/10.5281/zenodo.4689881" httpUri= "https://zenodo.org/record/4689881/files/figure.png" pageId= "3" pageNumber= "856" > Fig. 1F</figureCitation>
). Except for anterior part of foregut and hindgut, rest of intestine is missing including blood system. Anal vesicles tubular covered with ciliated funnels. In
<typeStatus id= "54E739DDFFE5FFFDFD1ABB6E235EC25B" box= "[678,773,850,876]" pageId= "3" pageNumber= "856" type= "holotype" > holotype</typeStatus>
only left anal vesicle is present (
<figureCitation id= "13679BFAFFE5FFFDFBEBBB6E24F7C25B" box= "[1111,1196,850,876]" captionStart= "FIG" captionStartId= "4.[113,124,1612,1629]" captionTargetBox= "[130,1170,245,1547]" captionTargetId= "figure-14@4.[104,1200,125,1554]" captionTargetPageId= "4" captionText= "FIG. 1. — A, B, Charcotus charcotus DattaGupta, 1981; A, ventral view of anterior part of female; B, gonoduct; C, D, Jakobia similaris DattaGupta,1981;C, ventral view of anterior part of female;D, gonoduct;E-H, Jakobia densopapillata n. sp.;E, ventral view of anterior part of female; F, G, gonoducts;H, anal vesicle.Abbreviations:av, anal vesicle;gd, gonoduct;gp, gonopore;gs, gonostome;nc, nerve cord; pr, proboscis; re, rectum. Scale bars: A, 4 mm; B, 0.5 mm; C, F, 3 mm; D, G, 1 mm; E, H, 2 mm." figureDoi= "http://doi.org/10.5281/zenodo.4689881" httpUri= "https://zenodo.org/record/4689881/files/figure.png" pageId= "3" pageNumber= "856" > Fig. 1H</figureCitation>
), right one is missing, probably damaged.
</paragraph>
</subSubSection>
<subSubSection id= "C346D4F4FFE5FFFAFD19BB8D24C4C4A1" lastPageId= "4" lastPageNumber= "857" pageId= "3" pageNumber= "856" type= "discussion" >
<paragraph id= "8BE3877FFFE5FFFDFD19BB8D2352C2FE" blockId= "3.[674,1212,945,1700]" box= "[677,777,945,971]" pageId= "3" pageNumber= "856" > REMARKS</paragraph>
<paragraph id= "8BE3877FFFE5FFFDFD19BBED23E6C5BE" blockId= "3.[674,1212,945,1700]" pageId= "3" pageNumber= "856" >
An important distinguishing feature of the genus
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<taxonomicName id= "4C5CFCFCFFE5FFFDFD19BBCD22B4C53C" authorityName= "Zenkevitch" authorityYear= "1958" box= "[677,751,1009,1035]" class= "Polychaeta" family= "Bonelliidae" genus= "Jakobia" kingdom= "Animalia" order= "Echiuroidea" pageId= "3" pageNumber= "856" phylum= "Annelida" rank= "genus" >
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<emphasis id= "B9285B6DFFE5FFFDFD19BBCD22B4C53C" box= "[677,751,1009,1035]" italics= "true" pageId= "3" pageNumber= "856" > Jakobia</emphasis>
</taxonomicName>
is the presence of a single gonoduct consisting of two sharply bent sections in the form of a V, with arms that lie close together and partly fuse. Two species are currently known in this genus, namely
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<taxonomicName id= "4C5CFCFCFFE5FFFDFD19BC53234AC5BE" authorityName= "Zenkevitch" authorityYear= "1958" box= "[677,785,1135,1161]" class= "Polychaeta" family= "Bonelliidae" genus= "Jakobia" kingdom= "Animalia" order= "Echiuroidea" pageId= "3" pageNumber= "856" phylum= "Annelida" rank= "species" species= "birsteini" >
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<emphasis id= "B9285B6DFFE5FFFDFD19BC53234AC5BE" box= "[677,785,1135,1161]" italics= "true" pageId= "3" pageNumber= "856" > J. birsteini</emphasis>
</taxonomicName>
and
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<taxonomicName id= "4C5CFCFCFFE5FFFDFCFBBC5323EDC5BE" authorityName= "DattaGupta" authorityYear= "1981" box= "[839,950,1135,1161]" class= "Polychaeta" family= "Bonelliidae" genus= "Jakobia" kingdom= "Animalia" order= "Echiuroidea" pageId= "3" pageNumber= "856" phylum= "Annelida" rank= "species" species= "similaris" >
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<emphasis id= "B9285B6DFFE5FFFDFCFBBC5323EDC5BE" box= "[839,950,1135,1161]" italics= "true" pageId= "3" pageNumber= "856" > J. similaris</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id= "8BE3877FFFE5FFFDFD07BCB323C9C4D1" blockId= "3.[674,1212,945,1700]" pageId= "3" pageNumber= "856" >
The new species,
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<taxonomicName id= "4C5CFCFCFFE5FFFDFCC7BCB32472C59E" authority= "Biseswar, 2006" authorityName= "Biseswar" authorityYear= "2006" box= "[891,1065,1167,1193]" class= "Polychaeta" family= "Bonelliidae" genus= "Jakobia" kingdom= "Animalia" order= "Echiuroidea" pageId= "3" pageNumber= "856" phylum= "Annelida" rank= "species" species= "densopapillata" status= "sp. nov." >
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<emphasis id= "B9285B6DFFE5FFFDFCC7BCB32472C59E" box= "[891,1065,1167,1193]" italics= "true" pageId= "3" pageNumber= "856" > J. densopapillata</emphasis>
</taxonomicName>
<taxonomicNameLabel id= "A21BE616FFE5FFFDFB8EBCB32435C59E" box= "[1074,1134,1167,1193]" pageId= "3" pageNumber= "856" rank= "species" > n. sp.</taxonomicNameLabel>
differs significantly from
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<taxonomicName id= "4C5CFCFCFFE5FFFDFCDABC93238BC5FE" authorityName= "Zenkevitch" authorityYear= "1958" box= "[870,976,1199,1225]" class= "Polychaeta" family= "Bonelliidae" genus= "Jakobia" kingdom= "Animalia" order= "Echiuroidea" pageId= "3" pageNumber= "856" phylum= "Annelida" rank= "species" species= "birsteini" >
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<emphasis id= "B9285B6DFFE5FFFDFCDABC93238BC5FE" box= "[870,976,1199,1225]" italics= "true" pageId= "3" pageNumber= "856" > J. birsteini</emphasis>
</taxonomicName>
in the structure of the proboscis. According to the description provided by
<bibRefCitation id= "EFCDFA8EFFE5FFFDFD7ABCD223CAC43F" author= "ZENKEVITCH L. A." box= "[710,913,1262,1288]" pageId= "3" pageNumber= "856" pagination= "192 - 203" refId= "ref6534" refString= "ZENKEVITCH L. A. 1958. - The deep-sea echiurids of the north-western part of the Pacific Ocean. Trudy Instituta Okeanologii Akademii Nauk SSSR 27: 192 - 203." type= "journal article" year= "1958" > Zenkevitch (1958)</bibRefCitation>
the proboscis of
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<taxonomicName id= "4C5CFCFCFFE5FFFDFBF0BCD224E2C43F" authorityName= "Zenkevitch" authorityYear= "1958" box= "[1100,1209,1262,1288]" class= "Polychaeta" family= "Bonelliidae" genus= "Jakobia" kingdom= "Animalia" order= "Echiuroidea" pageId= "3" pageNumber= "856" phylum= "Annelida" rank= "species" species= "birsteini" >
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<emphasis id= "B9285B6DFFE5FFFDFBF0BCD224E2C43F" box= "[1100,1209,1262,1288]" italics= "true" pageId= "3" pageNumber= "856" > J. birsteini</emphasis>
</taxonomicName>
consists of a flattened “head” bearing a sensory structure and the stem of the proboscis is oval in transverse section. The new species also differs in the structure of the gonoduct and anal vesicles. In
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<taxonomicName id= "4C5CFCFCFFE5FFFDFD18BDB02357C491" authorityName= "Zenkevitch" authorityYear= "1958" box= "[676,780,1420,1446]" class= "Polychaeta" family= "Bonelliidae" genus= "Jakobia" kingdom= "Animalia" order= "Echiuroidea" pageId= "3" pageNumber= "856" phylum= "Annelida" rank= "species" species= "birsteini" >
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<emphasis id= "B9285B6DFFE5FFFDFD18BDB02357C491" box= "[676,780,1420,1446]" italics= "true" pageId= "3" pageNumber= "856" > J. birsteini</emphasis>
</taxonomicName>
the middle section of the gonoduct, containing the eggs, is distended and the anal vesicles are sac-like structures.
</paragraph>
<paragraph id= "8BE3877FFFE5FFFDFD07BDD72451C793" blockId= "3.[674,1212,945,1700]" pageId= "3" pageNumber= "856" >
The new species differs from
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<taxonomicName id= "4C5CFCFCFFE5FFFDFC42BDD0242BC731" authorityName= "DattaGupta" authorityYear= "1981" box= "[1022,1136,1516,1542]" class= "Polychaeta" family= "Bonelliidae" genus= "Jakobia" kingdom= "Animalia" order= "Echiuroidea" pageId= "3" pageNumber= "856" phylum= "Annelida" rank= "species" species= "similaris" >
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<emphasis id= "B9285B6DFFE5FFFDFC42BDD0242BC731" box= "[1022,1136,1516,1542]" italics= "true" pageId= "3" pageNumber= "856" > J. similaris</emphasis>
</taxonomicName>
in the nature of the body wall and the anal vesicles. According to
<bibRefCitation id= "EFCDFA8EFFE5FFFDFC9DBE1723A2C772" author= "DATTAGUPTA A. K." box= "[801,1017,1579,1605]" pageId= "3" pageNumber= "856" pagination= "353 - 378" refId= "ref6182" refString= "DATTAGUPTA A. K. 1981. - Atlantic echiurans. Part 1. Report on twenty-two species of deep-sea echiurans of the North and the South Atlantic Oceans. Bulletin du Museum national d'Histoire naturelle Paris, 4 e ser., sect. A, 3 (2): 353 - 378." type= "journal article" year= "1981" > DattaGupta (1981)</bibRefCitation>
the body wall of
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<taxonomicName id= "4C5CFCFCFFE5FFFDFD1ABE772349C752" authorityName= "DattaGupta" authorityYear= "1981" box= "[678,786,1611,1637]" class= "Polychaeta" family= "Bonelliidae" genus= "Jakobia" kingdom= "Animalia" order= "Echiuroidea" pageId= "3" pageNumber= "856" phylum= "Annelida" rank= "species" species= "similaris" >
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<emphasis id= "B9285B6DFFE5FFFDFD1ABE772349C752" box= "[678,786,1611,1637]" italics= "true" pageId= "3" pageNumber= "856" > J. similaris</emphasis>
</taxonomicName>
is thin and the anal vesicles are branched. Furthermore, the papillae at the posterior end of the trunk of
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<taxonomicName id= "4C5CFCFCFFE5FFFDFC92BEB623C6C793" authorityName= "DattaGupta" authorityYear= "1981" box= "[814,925,1674,1700]" class= "Polychaeta" family= "Bonelliidae" genus= "Jakobia" kingdom= "Animalia" order= "Echiuroidea" pageId= "3" pageNumber= "856" phylum= "Annelida" rank= "species" species= "similaris" >
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<emphasis id= "B9285B6DFFE5FFFDFC92BEB623C6C793" box= "[814,925,1674,1700]" italics= "true" pageId= "3" pageNumber= "856" > J. similaris</emphasis>
</taxonomicName>
are small.
</paragraph>
<paragraph id= "8BE3877FFFE2FFFAFB31BDBE24C4C4A1" blockId= "4.[1165,1183,1410,1430]" box= "[1165,1183,1410,1430]" pageId= "4" pageNumber= "857" > re</paragraph>
</subSubSection>
</treatment>
</document>
